Calcium ferrite(CF)is recognized as a potential green and efficient functional material because of its advantages of magnetism,electrochemistry,catalysis,and biocompatibility in the fields of materials chemistry,envir...Calcium ferrite(CF)is recognized as a potential green and efficient functional material because of its advantages of magnetism,electrochemistry,catalysis,and biocompatibility in the fields of materials chemistry,environmental engineering,and biomedicine.There-fore,the obtained research results need to be systematically summarized,and new perspectives on CF and its composite materials need to be analyzed.Based on the presented studies of CF and its composite materials,the types and structures of the crystal are summarized.In addition,the current application technologies and theoretical mechanisms with various properties in different fields are elucidated.Moreover,the various preparation methods of CF and its composite materials are elaborated in detail.Most importantly,the advantages and disadvantages of the synthesis methods of CF and its composite materials are discussed,and the existing problems and emerging challenges in practical production are identified.Furthermore,the key future research directions of CF and its composite materials have been prospected from the potential application technologies to provide references for its synthesis and efficient utilization.展开更多
Ganoderma polysaccharides(GPs),derived from various species of the Ganoderma genus,exhibit diverse bioactivities,including immune modulation,anti-tumor effects,and gut microbiota regulation.These properties position G...Ganoderma polysaccharides(GPs),derived from various species of the Ganoderma genus,exhibit diverse bioactivities,including immune modulation,anti-tumor effects,and gut microbiota regulation.These properties position GPs as dual-purpose agents for medicinal and functional food development.This review comprehensively explores the structural complexity of six key GPs and their specific mechanisms of action,such as TLR signaling in immune modulation,apoptosis pathways in anti-tumor activity,and their prebiotic effects on gut microbiota.Additionally,the structure-activity relationships(SARs)of GPs are highlighted to elucidate their biological efficacy.Advances in green extraction techniques,including ultrasonic-assisted and enzymatic methods,are discussed for their roles in enhancing yield and aligning with sustainable production principles.Furthermore,the review addresses biotechnological innovations in polysaccharide biosynthesis,improving production efficiency and making large-scale production feasible.These insights,combined with ongoing research into their bioactivity,provide a solid foundation for developing health-promoting functional food products that incorporate GPs.Furthermore,future research directions are suggested to optimize biosynthesis pathways and fully harness the health benefits of these polysaccharides.展开更多
Quinoa is pseudo cereal and considered as full nutritional food for its functional ingredients such as peptides,polysaccharides,saponins and polyphenols.Up to now,over 20 phenolic compounds have been reported in quino...Quinoa is pseudo cereal and considered as full nutritional food for its functional ingredients such as peptides,polysaccharides,saponins and polyphenols.Up to now,over 20 phenolic compounds have been reported in quinoa,and these polyphenols are related to anti-cancer,anti-inflammatory,anti-obesity,anti-diabetic and cardioprotective activities.Recently,more and more attentions are focused on quinoa in the food and pharmaceutical fields.Many new products such as bakery,beverage and meat product made from quinoa are popular in the market.This article presents a review of the literature on the function and application of polyphenols in quinoa.The review will benefit the researchers working with nutrition,functional diets of quinoa.展开更多
Lonicera japonica(honeysuckle)is a traditional Chinese medicinal food,in which the main active ingredients are phenolic acids,polysaccharides,flavonoids,and volatile oils.They have various biological activities,includ...Lonicera japonica(honeysuckle)is a traditional Chinese medicinal food,in which the main active ingredients are phenolic acids,polysaccharides,flavonoids,and volatile oils.They have various biological activities,including antiviral,antibacterial,antioxidant,hypoglycemic and lipid-lowering,and anti-inflammatory effects.This review summarizes the health effects and pharmacodynamic mechanisms of L.japonica extracts and the major active ingredients in these extracts,and the structures,metabolic process in vivo,and biotransformation processes of these compounds.In addition,the current status of the development of L.japonica-related functional foods is summarized.The aim is to provide a theoretical basis and reference for the further development and use of the active ingredients in L.japonica as functional foods for disease prevention and treatment.展开更多
Molten salt synthesis （MSS） method has advantages of the simplicity in the process equipment, versatile and large-scale synthesis, and friendly environment, which provides an excellent approach to synthesize high pu...Molten salt synthesis （MSS） method has advantages of the simplicity in the process equipment, versatile and large-scale synthesis, and friendly environment, which provides an excellent approach to synthesize high pure oxide powders with controllable compositions and morphologies. Among these oxides, perovskite oxides with a composition of ABO3 exhibit a broad spectrum of physical properties and functions （e.g. ferroelectric, piezoelectric, magnetic, photovoltaic and photocatalytic properties）. The downscaling of the spatial geometry of perovskite oxides into nanometers result in novel properties that are different from the bulk and film counterparts. Recent interest in nanoscience and nanotechnology has led to great efforts focusing on the synthesis of low-dimensional perovskite oxide nanostructures （PONs） to better understand their novel physical properties at nanoscale. Therefore, the low-dimensional PONs such as perovskite nanoparticles, nanowires, nanorods, nanotubes, nanofibers, nanobelts, and two dimensional oxide nanostructures, play an important role in developing the next generation of oxide electronics. In the past few years, much effort has been made on the synthesis of PONs by MSS method and their structural characterizations. The functional applications of PONs are also explored in the fields of storage memory, energy harvesting, and solar energy conversion. This review summarizes the recent progress in the synthesis of low-dimensional PONs by MSS method and its modified ways. Their structural char- acterization and physical properties are also scrutinized. The potential applications of low-dimensional PONs in different fields such as data memory and storage, energy harvesting, solar energy conversion, are highlighted. Perspectives concerning the future research trends and challenges of low-dimensional PONs are also outlined. ~ 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science ＆ Technology.展开更多
The application of generative artificial intelligence(GAI)in the judicial domain represents an innovative approach to achieving digital justice.GAI’s functionalities are primarily exhibited in the enhancement of judi...The application of generative artificial intelligence(GAI)in the judicial domain represents an innovative approach to achieving digital justice.GAI’s functionalities are primarily exhibited in the enhancement of judicial efficiency,improving the accuracy and fairness of adjudications,promoting the uniform application of the law,and enhancing transparency and engagement in judicial processes.However,these advancements are accompanied by potential risks and challenges in technology,adjudication,and ethics.It is thus essential to strengthen privacy protection during the processing and transmission of data,ensure data security and confidentiality,and establish and refine clear legal norms regarding the roles,responsibilities,and legal obligations of GAI in judicial settings.In addition,ethical guidelines that delineate the behavioral boundaries and value orientations of GAI need to be formulated.Collectively,these elements can form a trinary model of technical controls,legal norms,and ethical constraints,to facilitate the modernization and intelligent development of the judicial system.展开更多
In this paper, the Cauchy type integral for M-analytic function is investigated which is by definition the regular solution of the elliptic system f_x+Mf_y=0, where M is a constant m×m matrix without any real eig...In this paper, the Cauchy type integral for M-analytic function is investigated which is by definition the regular solution of the elliptic system f_x+Mf_y=0, where M is a constant m×m matrix without any real eigenvalues and f is an m×q matrix.展开更多
As is Wellknown in both elastic mechanics andfluid mechanics, the plane problems are more convenient than space problems. One of the causes is that there has been a complete theory about the complex Junction and the a...As is Wellknown in both elastic mechanics andfluid mechanics, the plane problems are more convenient than space problems. One of the causes is that there has been a complete theory about the complex Junction and the analytic junction, hut in space problems, the case is quite different.We have no effective method to deal with these problems. In this paper, we first introduces general theories of Clifford algebra. Then we emphatically explain Clifford algebra in three dimensions and establish theories of regular Junction in three dimensions analogically to analytic function in plane. Thus we extend some results of plane problem-la three dimensions or high dimensions. Obviously, it is very important for elastic and fluid mechanics. But because Clifford algebra is not a commutative algebra, we can't simply extend the results of two dimensions to high dimensions. The left problems are yet to be found out.展开更多
Is this paper we shall give cm asymptotic expansion formula of the kernel functim for the Quasi Faurier-Legendre series on an ellipse, whose error is 0(1/n2) and then applying it we shall sham an analogue of an exact ...Is this paper we shall give cm asymptotic expansion formula of the kernel functim for the Quasi Faurier-Legendre series on an ellipse, whose error is 0(1/n2) and then applying it we shall sham an analogue of an exact result in trigonometric series.展开更多
Objective: To explore the optimal timing of drug application for the recovery of gastrointestinal function in patients after laparoscopic cholecystectomy. Methods: Ninety patients undergoing laparoscopic cholecystecto...Objective: To explore the optimal timing of drug application for the recovery of gastrointestinal function in patients after laparoscopic cholecystectomy. Methods: Ninety patients undergoing laparoscopic cholecystectomy were randomly divided into three groups: control group, intervention group 1 and intervention group 2. All three groups received routine perioperative nursing. Intervention group 1 and group 2 were given acupoint application of Chinese medicine at 0.5 h and 6 h after operation, and the waveform was monitored by electrogastrogram on the 1st day before operation and 3 d after operation. The first anal exhaust time, defecation time, abdominal distension and electrogastrogram changes were analyzed and compared in the three groups. Results: Compared with the first exhaust time and defecation time after operation, the intervention group 1 was earlier than the intervention group 2, and the intervention group 2 was earlier than the control group, the difference was statistically significant (P < 0.05). The average frequency, waveform response area and average amplitude of the intervention group 1 were better than those of the intervention group 2, and the intervention group 2 was better than the control group (P < 0.05). Conclusion: Administration of Chinese medicine acupoint application within 0.5 hours after operation can promote the recovery of gastrointestinal function and improve gastric motility in patients undergoing abdominal surgery, and the curative effect is significant and safe.展开更多
BACKGROUND： Temperature of axilla could be affected due to motor dysfunction of limbs and neural changes of vessel after ischemic stroke. OBJECTIVE： To observe the effect of percutaneous neuromuscular electric stimu...BACKGROUND： Temperature of axilla could be affected due to motor dysfunction of limbs and neural changes of vessel after ischemic stroke. OBJECTIVE： To observe the effect of percutaneous neuromuscular electric stimulation （PNES） on difference in temperature of axilla and analyze the relationship between function of limbs and difference in temperature of axilla. DESIGN： Randomized grouping and controlled observation SETTING： Department of Neurology, General Hospital of Shenyang Military Area Command of Chinese PLA PARTICIPANTS： Sixty patients with ischemic stroke were selected from Neurological Department of General Hospital of Shenyang Military Area Command of Chinese PLA from January to June 2003. All cases were diagnosed with clinical diagnosis criteria of ischemic stroke established by the Fourth Chinese Classification of Cerebrovasular Disease and CT examination and received neuromuscular electric stimulation （NES）. Patients were randomly divided into control group and treatment group with 30 in each group. METHODS： Control group： Patients received routinely neurological therapy. Treatment group： Except routine therapy, patients suffered from NES at 48 hours after hospitalization. NMT-91 NES equipment was used to stimulated injured limbs with low frequency once 30 minutes a day in total of 10 times a course, especially extensor muscle of upper limb and flexor muscle of lower limb. Prescription of hemiplegia was internally decided by equipment with the output frequency of 200 Hz. Intensity of electric output could cause muscle contraction. The therapy needed two or three courses. Temperature of bilateral axilla was measured every day to calculate the difference with the formula of （temperature of axilla on the injured side - temperature of axilla on the healthy side）. Motor function of limbs was measured with FugI-Meyer Motor Assessment （FMA） during hospitalization and at 2 and 4 hours after hospitalization. Among 90 points, upper and lower limb function was 54, equilibrium function 10, sensory function 10, and motion of joint 16. The higher the scores were, the better the function was. Correlation of data was dealt with linear correlation analysis. MAIN OUTCOME MEASURES ： Assessment and correlation between difference in temperature of axilla and motor function of injured limbs during hospitalization and at 2 and 4 weeks after hospitalization. RESULTS： All 60 patients with ischemic stroke were involved in the final analysis. ① Difference in temperature： Difference of 2 and 4 weeks after hospitalization was lower than that in control group and at just hospitalization [treatment group： （0.056±0.000）, （0.024±0.003） ℃; control group： （0.250±0.001）, （0.131 ±0.001）℃; hospitalization; （0.513±0.001） ℃, P 〈 0.05-0,01]. ② FMA scores： Scores of 2 and 4 weeks after hospitalization were higher than those in control group and at just hospitalization [treatment group; （43.50±15.09）, （67.97 ±18.21） points; control group： （33.33 ±13.54）, （40.87±19.34） points; hospitalization： （26.43 ±11.87） points, P 〈 0.05-0.01]. ③ Correlation： Difference in temperature of axilla was negative correlation with FMA scores （c=- -0.255 1, P 〈 0.05）. CONCLUSION： ① PNES can accelerate recovery of limb function and decrease temperature of axilla of patients with ischemic stroke. ② The lower the difference in temperature is, the better the functional recovery is.展开更多
Synthesis of magnetic nanoparticles （MNPs） is one of the most active research areas in advanced materials. MNPs that have magnetic properties and other functionalities have been demonstrated to show great promise in...Synthesis of magnetic nanoparticles （MNPs） is one of the most active research areas in advanced materials. MNPs that have magnetic properties and other functionalities have been demonstrated to show great promise in nanomedical applications. This review summarizes the current MNPs preparation, functionalization and stabilization methods. It also analyzes the detailed features of MNPs. And furthermore it highlights some actual case analyses of these MNPs for disease therapy, drug delivery, hyperthermia, bioseparation and bioimaging applications.展开更多
Nanoporous metals have emerged as a new class of functional materials with unique structures and properties.Compared to conventional metals and alloys,nanoporous metals possess a high surface area,unique pore size dis...Nanoporous metals have emerged as a new class of functional materials with unique structures and properties.Compared to conventional metals and alloys,nanoporous metals possess a high surface area,unique pore size distribution and enhanced catalytic activity,making them highly desirable for a wide range of applications,such as photonics,sensing,supercapacitors and catalysis.In this review paper,we aim to summarize recent advances in the fabrication,structural regulation and functional applications of nanoporous metals and their composites via the dealloying of metallic glasses.Particularly,we will discuss the factors that affect the nanoporous structure,including precursor composition,dealloying conditions and post-treatment methods.We will also cover topics such as the preparation of immiscible nanoporous metals and the control of hierarchical nanoporous structures.Finally,we will provide a brief overview of the current situation and discuss the current challenges and potential research directions in the field.展开更多
The growing interest in functionalized nanoparticles and their implementa<span style="font-family:"">tion in oilfield applications (e.g., drilling fluids and enhanced oil recovery<span style=&q...The growing interest in functionalized nanoparticles and their implementa<span style="font-family:"">tion in oilfield applications (e.g., drilling fluids and enhanced oil recovery<span style="font-family:""> (EOR)) facilitate the ongoing efforts to improve their chemical functionalization performance in stabilization of water based or hydrocarbon based nanofluids. Cyclic azasilanes (CAS), substituted 1-aza-2-silacyclopentanes, possess a strained 5-member ring structure. Adjacent Si and N atoms in the ring provide opportunity for highly ef<span style="font-family:Verdana;"><span style="font-family:"">ficient covalent surface functionalization of hydroxylated nanoparticles through a catalyst-free and byproduct-free click reaction. In this work, hydroxylated silica, alumina, diamond, and carbon coated iron core-shell nanoparticles have been studied for monolayer CAS functionalization. Two cyclic azasilanes with different R groups at N atom, such as methyl (CAS-1) and aminoethyl (CAS-2), have been utilized to functionalize nanoparticles. All reactions were found to readily proceed under mild conditions (room temperature, ambient pressure) during 1 - 2 hours of sonication. CAS functionalized adducts of hydroxylated nanoparticles have been isolated and<span style="font-family:""> <span style="font-family:"">their microstructure, composition, solubility and thermal stability have been characterized. As a result, it has been demonstrated, for the first time, that covalent surface modification with cyclic azasilanes can be extended beyond the previously known porous silicon structures to hydroxylated silica, alumina and carbon nanoparticles. The developed methodology was also shown to provide access to the nanoparticles with the hydrophilic or hydrophobic surface functional groups needed to enable oilfield applications (e.g., EOR, tracers, drilling fluids) that require stable water based or hydrocarbon based colloidal systems.展开更多
Under the background of the current energy crisis and environmental pollution,the development of green and sustainable materials has become particularly urgent.As one of the most abundant natural polymers on earth,cel...Under the background of the current energy crisis and environmental pollution,the development of green and sustainable materials has become particularly urgent.As one of the most abundant natural polymers on earth,cellulose has attracted wide attention due to its green recycling,sustainable development,degradability,and low cost.Therefore,cellulose and its derivatives were used as the starting point for comprehensive analysis.First,the basic structural properties of cellulose were discussed,and then the extraction and utilization methods of cellulose were reviewed,including Sodium Hydroxide based solvent system,N,N-Dimethylacetamide/Lithium Chloride System,N-Methylmorpholine-N-Oxide(NMMO)system,ionic liquids(ILs)system,and deep eutectic solvent(DES)system.Then,the functional modification techniques of cellulose are introduced,including nano-modification,small molecule modification,and macromolecular modification.Finally,the potential applications of cellulose in the fields of reinforcement materials,self-healing materials,radioactive cooling,nanogenerators,and biomedicine were discussed.At the end of this paper,the challenges and future development direction of cellulose materials are prospectively analyzed,aiming at providing guidance and inspiration for the research and application in related fields.展开更多
Objective: thyroid gland is not new to everyone. People first think of "big neck disease". Thyroid gland is an important endocrine gland in human body. It can secrete thyroid hormone to control the body'...Objective: thyroid gland is not new to everyone. People first think of "big neck disease". Thyroid gland is an important endocrine gland in human body. It can secrete thyroid hormone to control the body's energy consumption rate. It also has a direct impact on the secretion of other hormones and can effectively regulate the body's system function. The thyroid gland is also an important organ for producing calcitonin, which can keep the body's calcium balance. Once the thyroid function is abnormal, such as hypothyroidism, the synthesis of related hormones will be reduced, and the metabolism of other organisms will also be limited. It also includes some other diseases, such as macroneck disease, which will bring serious impact on human health. Therefore, the principle of "prevention first, prevention combined with treatment" should be adopted for these diseases. Clinical diagnosis is the key to diagnosis and treatment of thyroid diseases. This paper explores the five measurements of thyroid function. Methods: a total of 50 patients were selected from the department for health examination in the hospital as the control group, and 100 patients with thyroid dysfunction were selected from the department for research, 50 patients with hyperthyroidism and 50 patients with hypothyroidism. Among them, hyperthyroidism is classified as A and hypothyroidism as B. The thyroid function examination and diagnostic coincidence rate of control group and observation group A and B are investigated and analyzed. The examination is divided into five contents, including T3 (triiodothyronine), T4 (thyroxine), FT4 (free thyroxine), FT3 (free triiodothyronine) and TSH (thyroid stimulating hormone). The generated data are recorded and investigated. Results: the results of this study were evaluated. The data showed that the thyroid hormone in the control group was significantly higher than that in the observation group A, and the thyroid hormone in the other four observation groups A was significantly higher. The thyroid hormone of observation group B was higher than that of control group, and the other four items of control group were significantly higher, the difference of data results was statistically significant (P < 0.05). This study focuses on clinical diagnosis, and the diagnostic rate was evaluated. The data showed that the diagnostic rates of hyperthyroidism and hypothyroidism in both groups reached more than 90%, and there was no significant difference between the data results (P>0.05). Conclusion: practice has proved that the five tests of thyroid function have good diagnostic advantages for the clinical diagnosis of thyroid function, which not only improves the clinical diagnosis rate, but also has very important significance for the diagnosis and treatment of clinical conditions.展开更多
Recently, polymers with aggregation-induced emission(AIE) effects have attracted significant attention due to their broad applications in luminescence sensors, stimuli responsive materials, electroluminescence devices...Recently, polymers with aggregation-induced emission(AIE) effects have attracted significant attention due to their broad applications in luminescence sensors, stimuli responsive materials, electroluminescence devices, etc. In this review, we summarize recent advances concerning AIE polymers. Four types of AIE polymers including end-functionalized polymers, side-chain polymers, main-chain polymers, and other polymers according to the location of AIEgens, are described. Their synthetic preparation, optical property, AIE effects, and applications are also illustrated in this review.展开更多
Probiotics have a long history of use in human production and life.With the gradual deepening of the research on the functions of probiotics,their various nutritional and health benefits for the human body have also b...Probiotics have a long history of use in human production and life.With the gradual deepening of the research on the functions of probiotics,their various nutritional and health benefits for the human body have also become increasingly clear.Existing research shows that probiotics can regulate intestinal flora,and improve immunity and even the symptoms of some diseases.Therefore,in the food industry,the application of probiotics from traditional fermented foods to functional foods has become more and more extensive.In this paper,the research progress of nutritional function and application of probiotics in food at home and abroad was reviewed,in order to provide some reference for the safe application of probiotics in food.展开更多
基金supported by the National Natural Science Foundation of China(No.51574105)the Science and Technology Program of Hebei Province,China(No.23564101D)+2 种基金the Natural Science Foundation of Hebei Province,China(No.E2021209147)the Key Research Project of North China University of Science and Technology(No.ZD-ST-202308)the Postgraduate Innovation Funding Project of Hebei Province,China(No.CXZZBS2024135).
文摘Calcium ferrite(CF)is recognized as a potential green and efficient functional material because of its advantages of magnetism,electrochemistry,catalysis,and biocompatibility in the fields of materials chemistry,environmental engineering,and biomedicine.There-fore,the obtained research results need to be systematically summarized,and new perspectives on CF and its composite materials need to be analyzed.Based on the presented studies of CF and its composite materials,the types and structures of the crystal are summarized.In addition,the current application technologies and theoretical mechanisms with various properties in different fields are elucidated.Moreover,the various preparation methods of CF and its composite materials are elaborated in detail.Most importantly,the advantages and disadvantages of the synthesis methods of CF and its composite materials are discussed,and the existing problems and emerging challenges in practical production are identified.Furthermore,the key future research directions of CF and its composite materials have been prospected from the potential application technologies to provide references for its synthesis and efficient utilization.
基金supported by the National Natural Science Foundation of China(Nos.82373762,31872675)Major Special Programe of science and technology of Yunnan(202402AA310032,202305AH340005)+1 种基金the Cooperation Project with DR PLANT Company(2023)the Foundation of the State Key Laboratory of Phytochemistry and Plant Resources in West China(Nos.P2020-KF02,P2022-KF10).
文摘Ganoderma polysaccharides(GPs),derived from various species of the Ganoderma genus,exhibit diverse bioactivities,including immune modulation,anti-tumor effects,and gut microbiota regulation.These properties position GPs as dual-purpose agents for medicinal and functional food development.This review comprehensively explores the structural complexity of six key GPs and their specific mechanisms of action,such as TLR signaling in immune modulation,apoptosis pathways in anti-tumor activity,and their prebiotic effects on gut microbiota.Additionally,the structure-activity relationships(SARs)of GPs are highlighted to elucidate their biological efficacy.Advances in green extraction techniques,including ultrasonic-assisted and enzymatic methods,are discussed for their roles in enhancing yield and aligning with sustainable production principles.Furthermore,the review addresses biotechnological innovations in polysaccharide biosynthesis,improving production efficiency and making large-scale production feasible.These insights,combined with ongoing research into their bioactivity,provide a solid foundation for developing health-promoting functional food products that incorporate GPs.Furthermore,future research directions are suggested to optimize biosynthesis pathways and fully harness the health benefits of these polysaccharides.
文摘Quinoa is pseudo cereal and considered as full nutritional food for its functional ingredients such as peptides,polysaccharides,saponins and polyphenols.Up to now,over 20 phenolic compounds have been reported in quinoa,and these polyphenols are related to anti-cancer,anti-inflammatory,anti-obesity,anti-diabetic and cardioprotective activities.Recently,more and more attentions are focused on quinoa in the food and pharmaceutical fields.Many new products such as bakery,beverage and meat product made from quinoa are popular in the market.This article presents a review of the literature on the function and application of polyphenols in quinoa.The review will benefit the researchers working with nutrition,functional diets of quinoa.
基金supports from the National Natural Science Foundation of China(82130112,U24A20789)Beijing Hospitals Authority Ascent Plan(DFL20190702)Youth Beijing Scholar(2022-051)。
文摘Lonicera japonica(honeysuckle)is a traditional Chinese medicinal food,in which the main active ingredients are phenolic acids,polysaccharides,flavonoids,and volatile oils.They have various biological activities,including antiviral,antibacterial,antioxidant,hypoglycemic and lipid-lowering,and anti-inflammatory effects.This review summarizes the health effects and pharmacodynamic mechanisms of L.japonica extracts and the major active ingredients in these extracts,and the structures,metabolic process in vivo,and biotransformation processes of these compounds.In addition,the current status of the development of L.japonica-related functional foods is summarized.The aim is to provide a theoretical basis and reference for the further development and use of the active ingredients in L.japonica as functional foods for disease prevention and treatment.
基金the financial support from the National Natural Science Foundation of China(Grant Nos.11674161,11174122 and 11134004)the Six Big Talent Peak Project from Jiangsu Province(Grant No.XCL-004)open project of National Laboratory of Solid State Microstructures,Nanjing University(Grant No.M28026)
文摘Molten salt synthesis （MSS） method has advantages of the simplicity in the process equipment, versatile and large-scale synthesis, and friendly environment, which provides an excellent approach to synthesize high pure oxide powders with controllable compositions and morphologies. Among these oxides, perovskite oxides with a composition of ABO3 exhibit a broad spectrum of physical properties and functions （e.g. ferroelectric, piezoelectric, magnetic, photovoltaic and photocatalytic properties）. The downscaling of the spatial geometry of perovskite oxides into nanometers result in novel properties that are different from the bulk and film counterparts. Recent interest in nanoscience and nanotechnology has led to great efforts focusing on the synthesis of low-dimensional perovskite oxide nanostructures （PONs） to better understand their novel physical properties at nanoscale. Therefore, the low-dimensional PONs such as perovskite nanoparticles, nanowires, nanorods, nanotubes, nanofibers, nanobelts, and two dimensional oxide nanostructures, play an important role in developing the next generation of oxide electronics. In the past few years, much effort has been made on the synthesis of PONs by MSS method and their structural characterizations. The functional applications of PONs are also explored in the fields of storage memory, energy harvesting, and solar energy conversion. This review summarizes the recent progress in the synthesis of low-dimensional PONs by MSS method and its modified ways. Their structural char- acterization and physical properties are also scrutinized. The potential applications of low-dimensional PONs in different fields such as data memory and storage, energy harvesting, solar energy conversion, are highlighted. Perspectives concerning the future research trends and challenges of low-dimensional PONs are also outlined. ~ 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science ＆ Technology.
文摘The application of generative artificial intelligence(GAI)in the judicial domain represents an innovative approach to achieving digital justice.GAI’s functionalities are primarily exhibited in the enhancement of judicial efficiency,improving the accuracy and fairness of adjudications,promoting the uniform application of the law,and enhancing transparency and engagement in judicial processes.However,these advancements are accompanied by potential risks and challenges in technology,adjudication,and ethics.It is thus essential to strengthen privacy protection during the processing and transmission of data,ensure data security and confidentiality,and establish and refine clear legal norms regarding the roles,responsibilities,and legal obligations of GAI in judicial settings.In addition,ethical guidelines that delineate the behavioral boundaries and value orientations of GAI need to be formulated.Collectively,these elements can form a trinary model of technical controls,legal norms,and ethical constraints,to facilitate the modernization and intelligent development of the judicial system.
基金This work is supported in part by the National Natural Science Foundation of China.
文摘In this paper, the Cauchy type integral for M-analytic function is investigated which is by definition the regular solution of the elliptic system f_x+Mf_y=0, where M is a constant m×m matrix without any real eigenvalues and f is an m×q matrix.
基金This is a comprehensive report at the Second National Symposium on Modern Mathematics and MechanicsProject Supported by the Science Foundation of the Chinese Academy of Sciences
文摘As is Wellknown in both elastic mechanics andfluid mechanics, the plane problems are more convenient than space problems. One of the causes is that there has been a complete theory about the complex Junction and the analytic junction, hut in space problems, the case is quite different.We have no effective method to deal with these problems. In this paper, we first introduces general theories of Clifford algebra. Then we emphatically explain Clifford algebra in three dimensions and establish theories of regular Junction in three dimensions analogically to analytic function in plane. Thus we extend some results of plane problem-la three dimensions or high dimensions. Obviously, it is very important for elastic and fluid mechanics. But because Clifford algebra is not a commutative algebra, we can't simply extend the results of two dimensions to high dimensions. The left problems are yet to be found out.
文摘Is this paper we shall give cm asymptotic expansion formula of the kernel functim for the Quasi Faurier-Legendre series on an ellipse, whose error is 0(1/n2) and then applying it we shall sham an analogue of an exact result in trigonometric series.
文摘Objective: To explore the optimal timing of drug application for the recovery of gastrointestinal function in patients after laparoscopic cholecystectomy. Methods: Ninety patients undergoing laparoscopic cholecystectomy were randomly divided into three groups: control group, intervention group 1 and intervention group 2. All three groups received routine perioperative nursing. Intervention group 1 and group 2 were given acupoint application of Chinese medicine at 0.5 h and 6 h after operation, and the waveform was monitored by electrogastrogram on the 1st day before operation and 3 d after operation. The first anal exhaust time, defecation time, abdominal distension and electrogastrogram changes were analyzed and compared in the three groups. Results: Compared with the first exhaust time and defecation time after operation, the intervention group 1 was earlier than the intervention group 2, and the intervention group 2 was earlier than the control group, the difference was statistically significant (P < 0.05). The average frequency, waveform response area and average amplitude of the intervention group 1 were better than those of the intervention group 2, and the intervention group 2 was better than the control group (P < 0.05). Conclusion: Administration of Chinese medicine acupoint application within 0.5 hours after operation can promote the recovery of gastrointestinal function and improve gastric motility in patients undergoing abdominal surgery, and the curative effect is significant and safe.
基金a grant from Military Tenth Five-Year Key Research Project Foundation, No. mymjzyy 010
文摘BACKGROUND： Temperature of axilla could be affected due to motor dysfunction of limbs and neural changes of vessel after ischemic stroke. OBJECTIVE： To observe the effect of percutaneous neuromuscular electric stimulation （PNES） on difference in temperature of axilla and analyze the relationship between function of limbs and difference in temperature of axilla. DESIGN： Randomized grouping and controlled observation SETTING： Department of Neurology, General Hospital of Shenyang Military Area Command of Chinese PLA PARTICIPANTS： Sixty patients with ischemic stroke were selected from Neurological Department of General Hospital of Shenyang Military Area Command of Chinese PLA from January to June 2003. All cases were diagnosed with clinical diagnosis criteria of ischemic stroke established by the Fourth Chinese Classification of Cerebrovasular Disease and CT examination and received neuromuscular electric stimulation （NES）. Patients were randomly divided into control group and treatment group with 30 in each group. METHODS： Control group： Patients received routinely neurological therapy. Treatment group： Except routine therapy, patients suffered from NES at 48 hours after hospitalization. NMT-91 NES equipment was used to stimulated injured limbs with low frequency once 30 minutes a day in total of 10 times a course, especially extensor muscle of upper limb and flexor muscle of lower limb. Prescription of hemiplegia was internally decided by equipment with the output frequency of 200 Hz. Intensity of electric output could cause muscle contraction. The therapy needed two or three courses. Temperature of bilateral axilla was measured every day to calculate the difference with the formula of （temperature of axilla on the injured side - temperature of axilla on the healthy side）. Motor function of limbs was measured with FugI-Meyer Motor Assessment （FMA） during hospitalization and at 2 and 4 hours after hospitalization. Among 90 points, upper and lower limb function was 54, equilibrium function 10, sensory function 10, and motion of joint 16. The higher the scores were, the better the function was. Correlation of data was dealt with linear correlation analysis. MAIN OUTCOME MEASURES ： Assessment and correlation between difference in temperature of axilla and motor function of injured limbs during hospitalization and at 2 and 4 weeks after hospitalization. RESULTS： All 60 patients with ischemic stroke were involved in the final analysis. ① Difference in temperature： Difference of 2 and 4 weeks after hospitalization was lower than that in control group and at just hospitalization [treatment group： （0.056±0.000）, （0.024±0.003） ℃; control group： （0.250±0.001）, （0.131 ±0.001）℃; hospitalization; （0.513±0.001） ℃, P 〈 0.05-0,01]. ② FMA scores： Scores of 2 and 4 weeks after hospitalization were higher than those in control group and at just hospitalization [treatment group; （43.50±15.09）, （67.97 ±18.21） points; control group： （33.33 ±13.54）, （40.87±19.34） points; hospitalization： （26.43 ±11.87） points, P 〈 0.05-0.01]. ③ Correlation： Difference in temperature of axilla was negative correlation with FMA scores （c=- -0.255 1, P 〈 0.05）. CONCLUSION： ① PNES can accelerate recovery of limb function and decrease temperature of axilla of patients with ischemic stroke. ② The lower the difference in temperature is, the better the functional recovery is.
基金financial support from the National Natural Science Foundation of China(No. 81773642)Guangdong-Hong Kong Technology Cooperation Fund(No. 2017A050506016)+4 种基金the Science and Technology Planning Program of Guangzhou City, China (No. 2017A020214012)Natural Science Foundation of the Jiangsu Higher Education Institutions (No. 17KJB430019)Natural Science Foundation of the Jiangsu Province (No. SBK2018041659)Jiangsu Key Laboratory of Green Process Equipment (No. GPE201702)GF Scientific Research Project of Nanjing Tech University
文摘Synthesis of magnetic nanoparticles （MNPs） is one of the most active research areas in advanced materials. MNPs that have magnetic properties and other functionalities have been demonstrated to show great promise in nanomedical applications. This review summarizes the current MNPs preparation, functionalization and stabilization methods. It also analyzes the detailed features of MNPs. And furthermore it highlights some actual case analyses of these MNPs for disease therapy, drug delivery, hyperthermia, bioseparation and bioimaging applications.
基金supported by the National Natural Science Foundation of China(Nos.52071024,52271003,52101188)the Funds for Creative Research Groups of NSFC(51921001)+3 种基金the Projects of International Cooperation and Exchanges of NSFC(51961160729,52061135207)the 111 Project(BP0719004)the Program for Changjiang Scholars and Innovative Research Team in University of China(IRT_14R05)the Fundamental Research Fund for the Central Universities of China(FRF-TP-22-005C2).
文摘Nanoporous metals have emerged as a new class of functional materials with unique structures and properties.Compared to conventional metals and alloys,nanoporous metals possess a high surface area,unique pore size distribution and enhanced catalytic activity,making them highly desirable for a wide range of applications,such as photonics,sensing,supercapacitors and catalysis.In this review paper,we aim to summarize recent advances in the fabrication,structural regulation and functional applications of nanoporous metals and their composites via the dealloying of metallic glasses.Particularly,we will discuss the factors that affect the nanoporous structure,including precursor composition,dealloying conditions and post-treatment methods.We will also cover topics such as the preparation of immiscible nanoporous metals and the control of hierarchical nanoporous structures.Finally,we will provide a brief overview of the current situation and discuss the current challenges and potential research directions in the field.
文摘The growing interest in functionalized nanoparticles and their implementa<span style="font-family:"">tion in oilfield applications (e.g., drilling fluids and enhanced oil recovery<span style="font-family:""> (EOR)) facilitate the ongoing efforts to improve their chemical functionalization performance in stabilization of water based or hydrocarbon based nanofluids. Cyclic azasilanes (CAS), substituted 1-aza-2-silacyclopentanes, possess a strained 5-member ring structure. Adjacent Si and N atoms in the ring provide opportunity for highly ef<span style="font-family:Verdana;"><span style="font-family:"">ficient covalent surface functionalization of hydroxylated nanoparticles through a catalyst-free and byproduct-free click reaction. In this work, hydroxylated silica, alumina, diamond, and carbon coated iron core-shell nanoparticles have been studied for monolayer CAS functionalization. Two cyclic azasilanes with different R groups at N atom, such as methyl (CAS-1) and aminoethyl (CAS-2), have been utilized to functionalize nanoparticles. All reactions were found to readily proceed under mild conditions (room temperature, ambient pressure) during 1 - 2 hours of sonication. CAS functionalized adducts of hydroxylated nanoparticles have been isolated and<span style="font-family:""> <span style="font-family:"">their microstructure, composition, solubility and thermal stability have been characterized. As a result, it has been demonstrated, for the first time, that covalent surface modification with cyclic azasilanes can be extended beyond the previously known porous silicon structures to hydroxylated silica, alumina and carbon nanoparticles. The developed methodology was also shown to provide access to the nanoparticles with the hydrophilic or hydrophobic surface functional groups needed to enable oilfield applications (e.g., EOR, tracers, drilling fluids) that require stable water based or hydrocarbon based colloidal systems.
基金supported by Research Fund for the Doctoral Program of Higher Education of China(20134420120009)Science and Technology Planning Project of Guangdong(2014A010105047)Science and Technology Planning Project of Guangzhou City(201707010367).
文摘Under the background of the current energy crisis and environmental pollution,the development of green and sustainable materials has become particularly urgent.As one of the most abundant natural polymers on earth,cellulose has attracted wide attention due to its green recycling,sustainable development,degradability,and low cost.Therefore,cellulose and its derivatives were used as the starting point for comprehensive analysis.First,the basic structural properties of cellulose were discussed,and then the extraction and utilization methods of cellulose were reviewed,including Sodium Hydroxide based solvent system,N,N-Dimethylacetamide/Lithium Chloride System,N-Methylmorpholine-N-Oxide(NMMO)system,ionic liquids(ILs)system,and deep eutectic solvent(DES)system.Then,the functional modification techniques of cellulose are introduced,including nano-modification,small molecule modification,and macromolecular modification.Finally,the potential applications of cellulose in the fields of reinforcement materials,self-healing materials,radioactive cooling,nanogenerators,and biomedicine were discussed.At the end of this paper,the challenges and future development direction of cellulose materials are prospectively analyzed,aiming at providing guidance and inspiration for the research and application in related fields.
文摘Objective: thyroid gland is not new to everyone. People first think of "big neck disease". Thyroid gland is an important endocrine gland in human body. It can secrete thyroid hormone to control the body's energy consumption rate. It also has a direct impact on the secretion of other hormones and can effectively regulate the body's system function. The thyroid gland is also an important organ for producing calcitonin, which can keep the body's calcium balance. Once the thyroid function is abnormal, such as hypothyroidism, the synthesis of related hormones will be reduced, and the metabolism of other organisms will also be limited. It also includes some other diseases, such as macroneck disease, which will bring serious impact on human health. Therefore, the principle of "prevention first, prevention combined with treatment" should be adopted for these diseases. Clinical diagnosis is the key to diagnosis and treatment of thyroid diseases. This paper explores the five measurements of thyroid function. Methods: a total of 50 patients were selected from the department for health examination in the hospital as the control group, and 100 patients with thyroid dysfunction were selected from the department for research, 50 patients with hyperthyroidism and 50 patients with hypothyroidism. Among them, hyperthyroidism is classified as A and hypothyroidism as B. The thyroid function examination and diagnostic coincidence rate of control group and observation group A and B are investigated and analyzed. The examination is divided into five contents, including T3 (triiodothyronine), T4 (thyroxine), FT4 (free thyroxine), FT3 (free triiodothyronine) and TSH (thyroid stimulating hormone). The generated data are recorded and investigated. Results: the results of this study were evaluated. The data showed that the thyroid hormone in the control group was significantly higher than that in the observation group A, and the thyroid hormone in the other four observation groups A was significantly higher. The thyroid hormone of observation group B was higher than that of control group, and the other four items of control group were significantly higher, the difference of data results was statistically significant (P < 0.05). This study focuses on clinical diagnosis, and the diagnostic rate was evaluated. The data showed that the diagnostic rates of hyperthyroidism and hypothyroidism in both groups reached more than 90%, and there was no significant difference between the data results (P>0.05). Conclusion: practice has proved that the five tests of thyroid function have good diagnostic advantages for the clinical diagnosis of thyroid function, which not only improves the clinical diagnosis rate, but also has very important significance for the diagnosis and treatment of clinical conditions.
基金financially supported by the National Natural Science Foundation of China (Nos. 21776190, 21336005, and 51773144)PAPD in Jiangsu Province
文摘Recently, polymers with aggregation-induced emission(AIE) effects have attracted significant attention due to their broad applications in luminescence sensors, stimuli responsive materials, electroluminescence devices, etc. In this review, we summarize recent advances concerning AIE polymers. Four types of AIE polymers including end-functionalized polymers, side-chain polymers, main-chain polymers, and other polymers according to the location of AIEgens, are described. Their synthetic preparation, optical property, AIE effects, and applications are also illustrated in this review.
基金Supported by The Fourth Batch of High-end Talent Project in Hebei Province.
文摘Probiotics have a long history of use in human production and life.With the gradual deepening of the research on the functions of probiotics,their various nutritional and health benefits for the human body have also become increasingly clear.Existing research shows that probiotics can regulate intestinal flora,and improve immunity and even the symptoms of some diseases.Therefore,in the food industry,the application of probiotics from traditional fermented foods to functional foods has become more and more extensive.In this paper,the research progress of nutritional function and application of probiotics in food at home and abroad was reviewed,in order to provide some reference for the safe application of probiotics in food.
