目的探讨肌骨超声引导下针刀松解臂臑穴联合针刺肩部肩髃、肩前、肩髎穴三穴对脑卒中后肩手综合征(SASHS)的临床疗效。方法选取2022年7月—2024年12月于泉州市中医院针灸科就诊的脑卒中后SASHS患者60例,采用随机数字表法分为对照组和观...目的探讨肌骨超声引导下针刀松解臂臑穴联合针刺肩部肩髃、肩前、肩髎穴三穴对脑卒中后肩手综合征(SASHS)的临床疗效。方法选取2022年7月—2024年12月于泉州市中医院针灸科就诊的脑卒中后SASHS患者60例,采用随机数字表法分为对照组和观察组各30例。对照组采用常规针刺肩髃、肩前、肩髎穴治疗,观察组在对照组治疗基础上采用肌骨超声引导下针刀松解臂臑穴。2组针刺治疗每日1次,10次为1个疗程,共治疗2个疗程;针刀治疗每10 d 1次,共治疗2次。观察2组治疗前后视觉模拟评分(VAS)、简化Fugl-Meyer评分及肩关节功能评分变化,并比较2组疗效。结果与治疗前比较,2组治疗后VAS评分均明显降低(P<0.05),简化Fugl-Meyer评分和肩关节功能评分均明显升高(P<0.05);与对照组比较,观察组治疗后VAS评分明显降低(P<0.05),简化Fugl-Meyer评分和肩关节功能评分均明显升高(P<0.05)。观察组愈显率为50.00%,高于对照组的13.33%(P<0.05)。结论肌骨超声引导下针刀松解臂臑穴与针刺肩部三穴治疗脑卒中后SASHS疗效显著,可明显减轻患肩疼痛症状,改善患侧上肢运动功能。展开更多
Ce and its oxide(CeO_(2))have garnered extensive research attention in catalytic elimination of various air pollutants owing to their superior redox performance and oxygen storage capacity,which might originate from t...Ce and its oxide(CeO_(2))have garnered extensive research attention in catalytic elimination of various air pollutants owing to their superior redox performance and oxygen storage capacity,which might originate from the overlap of Ce 4f-5d atomic orbitals,as depicted in Cotton atomic orbital energy level diagram.To further tap the potential of CeO_(2),strategic integration with diverse transition metals and noble metals has been implemented.The distinctive nature of Cu in forming strong interactions with CeO_(2),coupled with its economic viability,has propelled substantial investigations into CuO-CeO_(2)composite catalysts for air pollutant removal.In this review,starting from a discussion on the classical dispersion model of Cu on CeO_(2),the current development in the synthesis and characterization of CuOCeO_(2) catalysts is systematically summarized.Subsequently,the application of CuO-CeO_(2) catalysts in several common air pollutant elimination-related reactions(e.g.,CO oxidation,NO reduction by CO,NH_(3)-SCR and NH_(3)-SCO)is discussed in depth.The review can provide significant guidance for the rational engineering of high-efficiency CuO-CeO_(2) catalysts.展开更多
Peroxymonosulfate(PMS)-assisted visible-light photocatalytic degradation of organic pollutants using graphitic carbon nitride(g-C_(3)N_(4))presents a promising and environmentally friendly approach.However,pristine g-...Peroxymonosulfate(PMS)-assisted visible-light photocatalytic degradation of organic pollutants using graphitic carbon nitride(g-C_(3)N_(4))presents a promising and environmentally friendly approach.However,pristine g-C_(3)N_(4) suffers from limited visible-light absorption and low charge-carrier mobility.In this study,a phosphorus-doped tubular carbon nitride(5P-TCN)was synthesized via a precursor self-assembly method using phosphoric acid and melamine as raw materials,eliminating the need for organic solvents or templates.The 5P-TCN catalyst demonstrated enhanced visible-light absorption,improved charge transfer capability,and a 5.25-fold increase in specific surface area(31.092 m^(2)/g),which provided abundant active sites to efficiently drive the PMS-assisted photocatalytic reaction.The 5P-TCN/vis/PMS system exhibited exceptional degradation performance for organic pollutants across a broad pH range(3–9),achieving over 92%degradation of Rhodamine B(RhB)within 15 min.Notably,the system retained>98%RhB degradation efficiency after three consecutive operational cycles,demonstrating robust operational stability and reusability.Moreover,key parameters influencing,active radi-cals,degradation pathways,and potential mechanisms for RhB degradation were systematically investigated.This work proposes a green and cost-effective strategy for developing high-efficiency photocatalysts,while demon-strating the exceptional capability of a PMS-assisted photocatalytic system for rapid degradation of RhB.展开更多
为初步解析马尾松花粉对超低温保存的生理响应及相关代谢机制,该文以马尾松花粉为研究对象,在-196℃液氮进行超低温保存并分析冷存过程中[冻存前(CK)、液氮冻存后(LD)、化冻后(HD)]与活性氧(ROS)相关的生理指标及转录组数据。结果表明:...为初步解析马尾松花粉对超低温保存的生理响应及相关代谢机制,该文以马尾松花粉为研究对象,在-196℃液氮进行超低温保存并分析冷存过程中[冻存前(CK)、液氮冻存后(LD)、化冻后(HD)]与活性氧(ROS)相关的生理指标及转录组数据。结果表明:(1)马尾松花粉超低温保存的最适含水量为3.96%,该含水量下将花粉直接投入液氮保存至少48 h,冻存前后花粉存活率分别为78.54%和73.80%。(2)超氧化物歧化酶(SOD),抗坏血酸过氧化物酶(GSH),谷胱甘肽(APX),抑制羟自由基能力4个指标在冻存前后差异显著。(3)转录组测序共获得65.60 Gb过滤数据,有38505个基因比对到参考基因组(47.84%),CK vs LD、CK vs HD、LD vs HD的差异表达基因(DEGs数量分别为232个、268个、218个)。GO和KEGG分析表明,应激响应(response to stimulus)和抗氧化活性(antioxidant activity)等GO term显著富集;植物激素信号转导、MAPK信号途径、淀粉和蔗糖代谢、果糖和甘露醇代谢、过氧化物酶体等KEGG途径显著富集,从这些途径中进一步筛选到10个可能与冷冻保存过程中损伤和修复有关的基因。该研究结果为马尾松种质资源高效利用和安全保存提供了技术手段,也为进一步解析冷冻保存损伤的分子机制提供参考。展开更多
The importance of selective synthesis of high-value-added chemicals from renewable resources is paramount but remains a crucial challenge in organic synthesis and chemical reformation.Herein,we report the selective ph...The importance of selective synthesis of high-value-added chemicals from renewable resources is paramount but remains a crucial challenge in organic synthesis and chemical reformation.Herein,we report the selective photosynthesis of C-C coupling products and carbonyl compounds from biomass-derived alcohols.The key to ensuring high end-to-end selectivity is the modulation of the reactivity of ketyl radical(*RCHOH)intermediates by employing different metal co-catalysts(Au,Pt,Pd,Ru)supported on Cd0.6Zn0.4S solid solution(CZS)photocatalysts.In particular,the C-C coupling product,hydrobenzion,and fully oxidized benzaldehyde were obtained from benzyl alcohol with high selectivity(>98%)over Au-CZS and Ru-CZS,respectively.Combined experimental and theoretical analyses demonstrated that the affinity of*RCHOH for the surface of metals governs their subsequent transformations,in which weak and strong radical adsorption on Au and Ru results in C-C coupling products and carbonyl compounds,respectively.展开更多
文摘目的探讨肌骨超声引导下针刀松解臂臑穴联合针刺肩部肩髃、肩前、肩髎穴三穴对脑卒中后肩手综合征(SASHS)的临床疗效。方法选取2022年7月—2024年12月于泉州市中医院针灸科就诊的脑卒中后SASHS患者60例,采用随机数字表法分为对照组和观察组各30例。对照组采用常规针刺肩髃、肩前、肩髎穴治疗,观察组在对照组治疗基础上采用肌骨超声引导下针刀松解臂臑穴。2组针刺治疗每日1次,10次为1个疗程,共治疗2个疗程;针刀治疗每10 d 1次,共治疗2次。观察2组治疗前后视觉模拟评分(VAS)、简化Fugl-Meyer评分及肩关节功能评分变化,并比较2组疗效。结果与治疗前比较,2组治疗后VAS评分均明显降低(P<0.05),简化Fugl-Meyer评分和肩关节功能评分均明显升高(P<0.05);与对照组比较,观察组治疗后VAS评分明显降低(P<0.05),简化Fugl-Meyer评分和肩关节功能评分均明显升高(P<0.05)。观察组愈显率为50.00%,高于对照组的13.33%(P<0.05)。结论肌骨超声引导下针刀松解臂臑穴与针刺肩部三穴治疗脑卒中后SASHS疗效显著,可明显减轻患肩疼痛症状,改善患侧上肢运动功能。
基金Project supported by the National Natural Science Foundation of China(22306090,22272077,22402027)the Natural Science Foundation of Jiangsu Province(BK20230773,BK20231513)+1 种基金the Young Elite Scientists Sponsorship Program by CAST(YESS20230298)the Sinopec Group(H25007)。
文摘Ce and its oxide(CeO_(2))have garnered extensive research attention in catalytic elimination of various air pollutants owing to their superior redox performance and oxygen storage capacity,which might originate from the overlap of Ce 4f-5d atomic orbitals,as depicted in Cotton atomic orbital energy level diagram.To further tap the potential of CeO_(2),strategic integration with diverse transition metals and noble metals has been implemented.The distinctive nature of Cu in forming strong interactions with CeO_(2),coupled with its economic viability,has propelled substantial investigations into CuO-CeO_(2)composite catalysts for air pollutant removal.In this review,starting from a discussion on the classical dispersion model of Cu on CeO_(2),the current development in the synthesis and characterization of CuOCeO_(2) catalysts is systematically summarized.Subsequently,the application of CuO-CeO_(2) catalysts in several common air pollutant elimination-related reactions(e.g.,CO oxidation,NO reduction by CO,NH_(3)-SCR and NH_(3)-SCO)is discussed in depth.The review can provide significant guidance for the rational engineering of high-efficiency CuO-CeO_(2) catalysts.
文摘Peroxymonosulfate(PMS)-assisted visible-light photocatalytic degradation of organic pollutants using graphitic carbon nitride(g-C_(3)N_(4))presents a promising and environmentally friendly approach.However,pristine g-C_(3)N_(4) suffers from limited visible-light absorption and low charge-carrier mobility.In this study,a phosphorus-doped tubular carbon nitride(5P-TCN)was synthesized via a precursor self-assembly method using phosphoric acid and melamine as raw materials,eliminating the need for organic solvents or templates.The 5P-TCN catalyst demonstrated enhanced visible-light absorption,improved charge transfer capability,and a 5.25-fold increase in specific surface area(31.092 m^(2)/g),which provided abundant active sites to efficiently drive the PMS-assisted photocatalytic reaction.The 5P-TCN/vis/PMS system exhibited exceptional degradation performance for organic pollutants across a broad pH range(3–9),achieving over 92%degradation of Rhodamine B(RhB)within 15 min.Notably,the system retained>98%RhB degradation efficiency after three consecutive operational cycles,demonstrating robust operational stability and reusability.Moreover,key parameters influencing,active radi-cals,degradation pathways,and potential mechanisms for RhB degradation were systematically investigated.This work proposes a green and cost-effective strategy for developing high-efficiency photocatalysts,while demon-strating the exceptional capability of a PMS-assisted photocatalytic system for rapid degradation of RhB.
文摘为初步解析马尾松花粉对超低温保存的生理响应及相关代谢机制,该文以马尾松花粉为研究对象,在-196℃液氮进行超低温保存并分析冷存过程中[冻存前(CK)、液氮冻存后(LD)、化冻后(HD)]与活性氧(ROS)相关的生理指标及转录组数据。结果表明:(1)马尾松花粉超低温保存的最适含水量为3.96%,该含水量下将花粉直接投入液氮保存至少48 h,冻存前后花粉存活率分别为78.54%和73.80%。(2)超氧化物歧化酶(SOD),抗坏血酸过氧化物酶(GSH),谷胱甘肽(APX),抑制羟自由基能力4个指标在冻存前后差异显著。(3)转录组测序共获得65.60 Gb过滤数据,有38505个基因比对到参考基因组(47.84%),CK vs LD、CK vs HD、LD vs HD的差异表达基因(DEGs数量分别为232个、268个、218个)。GO和KEGG分析表明,应激响应(response to stimulus)和抗氧化活性(antioxidant activity)等GO term显著富集;植物激素信号转导、MAPK信号途径、淀粉和蔗糖代谢、果糖和甘露醇代谢、过氧化物酶体等KEGG途径显著富集,从这些途径中进一步筛选到10个可能与冷冻保存过程中损伤和修复有关的基因。该研究结果为马尾松种质资源高效利用和安全保存提供了技术手段,也为进一步解析冷冻保存损伤的分子机制提供参考。
文摘The importance of selective synthesis of high-value-added chemicals from renewable resources is paramount but remains a crucial challenge in organic synthesis and chemical reformation.Herein,we report the selective photosynthesis of C-C coupling products and carbonyl compounds from biomass-derived alcohols.The key to ensuring high end-to-end selectivity is the modulation of the reactivity of ketyl radical(*RCHOH)intermediates by employing different metal co-catalysts(Au,Pt,Pd,Ru)supported on Cd0.6Zn0.4S solid solution(CZS)photocatalysts.In particular,the C-C coupling product,hydrobenzion,and fully oxidized benzaldehyde were obtained from benzyl alcohol with high selectivity(>98%)over Au-CZS and Ru-CZS,respectively.Combined experimental and theoretical analyses demonstrated that the affinity of*RCHOH for the surface of metals governs their subsequent transformations,in which weak and strong radical adsorption on Au and Ru results in C-C coupling products and carbonyl compounds,respectively.