Emerging contaminants in water sources present serious environmental and health risks,creating an urgent need for efficient and reliable treatment strategies.Photocatalytic advanced oxidation processes(AOPs)provide ra...Emerging contaminants in water sources present serious environmental and health risks,creating an urgent need for efficient and reliable treatment strategies.Photocatalytic advanced oxidation processes(AOPs)provide rapid reaction rates and strong oxidation capabilities,however,comprehensive evaluations of wastewater treatment,including degradation pathways,toxicity assessments and mechanistic insights,remain underexplored in the literature.This study presents novel S-scheme Mn_(0.5)Cd_(0.5)S/In_(2)S_(3)(MCS/IS)photocatalysts for efficient degradation of antibiotic pollutants,with a particular focus on tetracycline hydrochloride(TCH).The optimized MCS/IS photocatalyst demonstrates exceptional degradation efficiency and robust resistance to inorganic anions.Additionally,a continuous-flow wastewater treatment system,using an MCS/IS membrane,demonstrates outstanding stability in TCH photodegradation.Utilizing response surface methodology and Fukui function analysis,the effects of various parameters on photocatalytic degradation rates,along with the associated pathways and intermediate products,have been thoroughly investigated.Toxicity assessments confirm the environmental safety of the treated effluents.Mechanistic studies show that the S-scheme heterojunction in the MCS/IS photocatalyst improves electron-hole separation,thereby enhancing photocatalytic performance.It is expected that this study will serve as a model for advancing the removal of emerging contaminants,further enhancing photocatalytic AOPs as sustainable water purification technologies.展开更多
Purpose: To supply further references by analyzing the status of research on mild cognitive impairment nursing in China.Methods: Papers on mild cognitive impairment nursing published between 2005 and 2014 were collect...Purpose: To supply further references by analyzing the status of research on mild cognitive impairment nursing in China.Methods: Papers on mild cognitive impairment nursing published between 2005 and 2014 were collected from China National Knowledge Infrastructure,Wanfang Data,and China Biological Medicine database,while their publication dates,journals,and types were subjected to a bibliometric analysis using NoteExpress and Excel.Results: A total of 68 papers were collected from the selected databases.The number of papers on mild cognitive impairment nursing increased annually.The selected papers were published in 44 journals,55.88% of them were published in core journals,35.29% received funding support,35.29% were published by hospitals affiliated to colleges,47.06% were published by other local hospitals,author collaboration is 2.66,and 66.18% showed co-authorship.These papers covered a wide range of topics,but were only conducted based on clinical interventions.Around 29.41% of these papers had a citation frequency of over 5,the highest citation frequency was 29,and the highest h-index was 23.Conclusion: Beijing and Shanghai established core author groups for mild cognitive impairment nursing research.These studies should focus on the community and psychological nursing of such impairment.Targeted nursing interventions on different types of mild cognitive impairment should be adopted,new avenues for research should be opened,and various research methods should be introduced.展开更多
文摘Emerging contaminants in water sources present serious environmental and health risks,creating an urgent need for efficient and reliable treatment strategies.Photocatalytic advanced oxidation processes(AOPs)provide rapid reaction rates and strong oxidation capabilities,however,comprehensive evaluations of wastewater treatment,including degradation pathways,toxicity assessments and mechanistic insights,remain underexplored in the literature.This study presents novel S-scheme Mn_(0.5)Cd_(0.5)S/In_(2)S_(3)(MCS/IS)photocatalysts for efficient degradation of antibiotic pollutants,with a particular focus on tetracycline hydrochloride(TCH).The optimized MCS/IS photocatalyst demonstrates exceptional degradation efficiency and robust resistance to inorganic anions.Additionally,a continuous-flow wastewater treatment system,using an MCS/IS membrane,demonstrates outstanding stability in TCH photodegradation.Utilizing response surface methodology and Fukui function analysis,the effects of various parameters on photocatalytic degradation rates,along with the associated pathways and intermediate products,have been thoroughly investigated.Toxicity assessments confirm the environmental safety of the treated effluents.Mechanistic studies show that the S-scheme heterojunction in the MCS/IS photocatalyst improves electron-hole separation,thereby enhancing photocatalytic performance.It is expected that this study will serve as a model for advancing the removal of emerging contaminants,further enhancing photocatalytic AOPs as sustainable water purification technologies.
基金This work was supported by Natural Science Foundation of China(no.81473747)key project from Hubei Ministry of Education(no.D20142002).
文摘Purpose: To supply further references by analyzing the status of research on mild cognitive impairment nursing in China.Methods: Papers on mild cognitive impairment nursing published between 2005 and 2014 were collected from China National Knowledge Infrastructure,Wanfang Data,and China Biological Medicine database,while their publication dates,journals,and types were subjected to a bibliometric analysis using NoteExpress and Excel.Results: A total of 68 papers were collected from the selected databases.The number of papers on mild cognitive impairment nursing increased annually.The selected papers were published in 44 journals,55.88% of them were published in core journals,35.29% received funding support,35.29% were published by hospitals affiliated to colleges,47.06% were published by other local hospitals,author collaboration is 2.66,and 66.18% showed co-authorship.These papers covered a wide range of topics,but were only conducted based on clinical interventions.Around 29.41% of these papers had a citation frequency of over 5,the highest citation frequency was 29,and the highest h-index was 23.Conclusion: Beijing and Shanghai established core author groups for mild cognitive impairment nursing research.These studies should focus on the community and psychological nursing of such impairment.Targeted nursing interventions on different types of mild cognitive impairment should be adopted,new avenues for research should be opened,and various research methods should be introduced.
