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Potential particulate pollution derived from UV-induced degradation of odorous dimethyl sulfide

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Journal of Environmental Sciences 2011年第1期23卷 51-59页

作者： Liping qiao Jianmin Chen xin Yang Center for Atmospheric Chemistry Studies Department of Environmental Science 6r Engineering Fudan University Shanghai 200433 China

UV-induced degradation of odorous dimethyl sulfide （DMS） was carried out in a static White cell chamber with UV irradiation. The combination of in situ Fourier transform infrared （FT-IR） spectrometer, gas chromatograph-mass spectrometer （GC-MS）, wide-range particle spectrometer （WPS） technique, filter sampling and ion chromatographic （IC） analysis was used to monitor the gaseous and potential particulate products. During 240 min of UV irradiation, the degradation efficiency of DMS attained 20.9%, and partially oxidized sulfur-containing gaseous products, such as sulfur dioxide （SO2）, carbonyl sulfide （OCS）, dimethyl sulfoxide （DMSO）, dimethyl sulfone （DMSO2） and dimethyl disulfide （DMDS） were identified by in situ FT-IR and GC-MS analysis, respectively. Accompanying with the oxidation of DMS, suspended particles were directly detected to be formed by WPS techniques. These particles were measured mainly in the size range of accumulation mode, and increased their count median diameter throughout the whole removal process. IC analysis of the filter samples revealed that methanesulfonic acid （MSA）, sulfuric acid （H2SO4） and other unidentified chemicals accounted for the major non-refractory compositions of these particles. Based on products analysis and possible intermediates formed, the degradation pathways of DMS were proposed as the combination of the O（1D）- and the OH- initiated oxidation mechanisms. A plausible formation mechanism of the suspended particles was also analyzed. It is concluded that UV-induced degradation of odorous DMS is potentially a source of particulate pollutants in the atmosphere.

关键词： UV irradiation photodegradation dimethyl sulfide particulate pollutants odorous emission

A new bibenzyl derivative from Pleione bulbocodioides

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Chinese Chemical Letters 2008年第5期19卷 559-561页

作者： xin qiao Liu qiao Yu Yuan Yuan Qiang Guo School of Chemical and Environmental Engineering Hubei University of Technology Wuhan 430068 China Department of Bioengineering Wuhan Institute of Technology Wuhan 430074 China Department of Pharmaceutical Sciences Nankai University Tianjin 300071 China

A new bibenzyl derivative 1, named 2-（4＇＇-hydroxybenzy1）-3-（3＇-hydroxyphenethy1）-5-methoxy-cyclohexa-2,5-diene-1,4- dione, and two known stilbenoids （2, 3） were isolated from the tubers of Pleione bulbocodioi... 详细信息

关键词： Pleione bulbocodioides Bibenzyl Stilbenoids Cytotoxity

Adolescent suicide risk factors and the integration of socialemotional skills in school-based prevention programs

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World Journal of Psychiatry 2024年第4期14卷 494-506页

作者： xin-qiao Liu xin Wang School of Education Tianjin UniversityTianjin 300350China

Adolescents are considered one of the most vulnerable groups affected by *** changes in adolescents’physical and mental states,as well as in their lives,significantly and undeniably increase the risk of ***,social,family,individual,and environmental factors are important risk factors for suicidal behavior among teenagers and may contribute to suicide risk through various direct,indirect,or combined ***-emotional learning is considered a powerful intervention measure for addressing the crisis of adolescent *** deliberately cultivated,fostered,and enhanced,selfawareness,self-management,social awareness,interpersonal skills,and responsible decision-making,as the five core competencies of social-emotional learning,can be used to effectively target various risk factors for adolescent suicide and provide necessary mental and interpersonal *** numerous suicide intervention methods,school-based interventions based on social-emotional competence have shown great potential in preventing and addressing suicide risk factors in *** characteristics of school-based interventions based on social-emotional competence,including their appropriateness,necessity,cost-effectiveness,comprehensiveness,and effectiveness,make these interventions an important means of addressing the crisis of adolescent *** further determine the potential of school-based interventions based on social-emotional competence and better address the issue of adolescent suicide,additional financial support should be provided,the combination of socialemotional learning and other suicide prevention programs within schools should be fully leveraged,and cooperation between schools and families,society,and other environments should be *** efforts should be considered future research directions.

关键词： Adolescent suicide Risk factors Social-emotional skills Social and emotional learning School Prevention

Unlocking the power of physical activity in easing psychological distress

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World Journal of Psychiatry 2024年第1期14卷 1-7页

作者： xin-qiao Liu xin Wang School of Education Tianjin UniversityTianjin 300350China

The severity of the current global mental health situation and the importance of maintaining psychological well-being call for more powerful,convenient,and efficient solutions for addressing psychological issues and relieving mental *** activity not only effectively improves physical fitness and reduces negative emotions such as anxiety and depression but also increases the improvement of psychological health and sense of *** the same time,physical activity interventions for mental health have unique advantages,including reducing the side effects of psychological interventions and increasing necessity,convenience,and cost-effectiveness,as well as flexible adaptability across multiple methods,groups,and age ranges,providing stronger support for relieving psychological stress and addressing psychological *** physical activity is an important intervention measure in relieving psychological stress,its value and role in mental health care seem to have not yet received sufficient attention,and its potential remains to be further *** the significant advantages and effectiveness of physical activity in mental health intervention practices,it is necessary to stimulate its potential in relieving psychological stress through various means in future studies to better safeguard the public’s physical and mental *** guidelines for physical activity for improved mental health,enhancing organic integration with other intervention measures,and providing necessary respect,encouragement,and support are important directions to consider.

关键词： Physical activity Psychological distress Mental health Artificial intelligence Guidance

Potential and limitations of ChatGPT and generative artificial intelligence in medical safety education

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World Journal of Clinical Cases 2023年第32期11卷 7935-7939页

作者： xin Wang xin-qiao Liu School of Education Tianjin UniversityTianjin 300350China

The primary objectives of medical safety education are to provide the public with essential knowledge about medications and to foster a scientific approach to drug *** era of using artificial intelligence to revolutionize medical safety education has already dawned,and ChatGPT and other generative artificial intelligence models have immense potential in this ***,they offer a wealth of knowledge,anonymity,continuous availability,and personalized ***,the practical implementation of generative artificial intelligence models such as ChatGPT in medical safety education still faces several challenges,including concerns about the accuracy of information,legal responsibilities,and ethical *** forward,it is crucial to intelligently upgrade ChatGPT by leveraging the strengths of existing medical *** task involves further integrating the model with real-life scenarios and proactively addressing ethical and security issues with the ultimate goal of providing the public with comprehensive,convenient,efficient,and personalized medical services.

关键词： Medical safety education ChatGPT Generative artificial intelligence Potential Limitation

Effects of Surface Modification of Upconversion Nanoparticles on Cellular Uptake and Cytotoxicity

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Chemical Research in Chinese Universities 2016年第3期32卷 474-479页

作者： GU Ye qiao xin ZHANG Jian SUN Yingying TAO Youmao qiao Shixing Department of General Surgery the Second Hospital of Jilin University Changchun 130041 P. R. China Department of Anesthesiology Beijing Chaoyang Hospital Capital Medical University Beijing100020 P. R. China Department of Stomatology the First Hospital of Jilin University Changchun 130021 P. R. China Department of General Surgery the Third Hospital of Jilin University Changehun 130021 P. R. China

Lanthanide-doped upconversion nanoparticles（UCNPs） are great promising to apply to biomedical imaging and therapy. We prepared NaYF4：yb3＋,Er3＋ nanoparticles with different surface ligands, i.e., without any ligands（bare）, coordinated with 2-aminoethyl dihydrogen phosphate（AEP）, polyacrylic acid（PAA） or polyallylamine （PAAm）, via a simple two-step ligand exchange of oleic acid capped NaYF4：Yba＋,Er3＋ nanoparticles. Although the surface modification retained the crystal structure and transimission electron microscope（TEM） size distribution of the nanoparticles, and good dispersibility in aqueous solution and did not significantly change the upconversion luminescence, distinct differences were observed in the surface charge and hydrodynamic diameter. The cellular uptake and cytotoxicity of the nanoparticles were studied on two different cell lines, breast cancer MCF-7 and fibroblast 3T3. Confocal microscopy images demonstrate that PAAm-coordinated UCNPs can enhance the cellular uptake and endocytosis, whereas AEP- and PAA-coordinated UCNPs show a very low level of nonspecific adsorption Biocompatibility studies based on 3-（4,5-dimethylthiazol-2-yl）-2,5-diphenyltetrazolium bromide（MTT） assay, however, indicate that PAAm-coordinated UCNPs are more toxic than the other two, and thus need further modifiaction（like PEG coordinating） to improve their biocompatibility. These results are important to the knowledge base required for the biomedical application of the UCNPs.

关键词： Upconversion Cytotoxicity Surface modification

Delivering substance use prevention interventions for adolescents in educational settings:A scoping review

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World Journal of Psychiatry 2023年第7期13卷 409-422页

作者： xin-qiao Liu Yu-xin Guo xin Wang School of Education Tianjin UniversityTianjin 300350China

Currently,a proportion of adolescents use alcohol,tobacco,and illicit drugs,which inevitably harms their health and academic *** is a peak period for substance use initiation and a critical time for preventing substance use *** entities,such as families,schools,and communities,have implemented a variety of interventions to alleviate adolescent substance use problems,and schools play a unique *** explore the types,characteristics,and effectiveness of substance use interventions in educational settings for adolescents,we conducted a scoping review and identified 32 studies after *** divided the 32 studies according to intervention type,including curriculum interventions focusing on cognitive-behavioral skill enhancement,exercise interventions,peer interventions and family-school cooperation,and electronic *** for the mixed results on electronic interventions,the results showed that the other interventions were beneficial to different extents in alleviating adolescent substance use *** addition,we analyzed and summarized the advantages and challenges of intervening in adolescent substance use in educational *** can use equipment and human resources to provide adolescents with various types of intervention measures,but they also face challenges such as stigmatization,ineffective coordination among multiple resources,and poor implementation *** the future,school-based intervention measures can fully utilize big data and artificial intelligence technology and collaborate with families and communities to intervene appropriately while paying attention to the comorbidity risks of substance use disorders and psychological health issues.

关键词： Substance use Prevention Adolescents Educational settings Artificial intelligence Digital interventions

Cellulose Solubility in Deep Eutectic Solvents:Inspecting Quantitative Hydrogen-Bonding Analysis

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Chinese Journal of Polymer Science 2023年第1期41卷 75-83页

作者： Kuang-Jie Xu Bao-Qing Zhang xin qiao Chen-Yang Liu CAS Key Laboratory of Engineering Plastics Beijing National Laboratory for Molecular SciencesInstitute of Chemistrythe Chinese Academy of SciencesBeijing100190China University of Chinese Academy of Sciences Beijing100049China

According to the Kamlet-Abraham-Taft(KAT)polarity parameters(α,β,π*),polymers and solvents can be categorized as hydrogen-bond(H-bond)acidic(α>β)or H-bond basic(α<β).Recently,we proposed a quantitative hydrogen bonding(QHB)analysis to predict the solubility of polymers in ionic liquids(ILs)using the product ofΔαΔβ<0 as an indicator,whereΔαis the difference between the H-bond acidic parameters of the polymer and IL,andΔβis the difference in their basicity,while the prerequisite of the“complementary”principle(i.e.,that one component is H-bond acidic and the other is basic)is ***,the applicability of QHB analysis was first confirmed by testing the solubilities of carefully chosen polymer/deep eutectic solvent(DES)pairs,as the DESs were eutectic mixtures dominated by hydrogen bonding ***,our attention focused on the solubility of cellulose in *** testing results as well as the typical published results were summarized,which indicate that the potential DESs for cellulose dissolution and regeneration must be of the H-bond basic type because the“complementary”principle should be satisfied as a ***,the H-bond basic DESs investigated in this study do not show the superior solubility of cellulose that has been commonly observed for H-bond basic ILs,even if the criterion ofΔαΔβ<0 is satisfied for both DESs and *** reasons for this discrepancy are given to understand the varying effectiveness in cellulose dissolution for H-bond basic DESs and ILs.

关键词： Deep eutectic solvent Cellulose dissolution Empirical polarity parameters Hydrogen bonding interaction

Large multimodal models assist in psychiatry disorders prevention and diagnosis of students

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World Journal of Psychiatry 2024年第10期14卷 1415-1421页

作者： xin-qiao Liu xin Wang Hui-Rui Zhang School of Education Tianjin UniversityTianjin 300350China Faculty of Education The Open University of ChinaBeijing 100039China

Students are considered one of the groups most affected by psychological *** the highly dangerous nature of mental illnesses and the increasing-ly serious state of global mental health,it is imperative for us to explore new me-thods and approaches concerning the prevention and treatment of mental *** multimodal models(LMMs),as the most advanced artificial intelligen-ce models(***-4),have brought new hope to the accurate prevention,diagnosis,and treatment of psychiatric *** assistance of these models in the promotion of mental health is critical,as the latter necessitates a strong foundation of medical knowledge and professional skills,emotional support,stigma mitigation,the encouragement of more honest patient self-disclosure,reduced health care costs,improved medical efficiency,and greater mental health service ***,these models must address challenges related to health,safety,hallucinations,and ethics *** the future,we should address these challenges by developing relevant usage manuals,accountability rules,and legal regulations;implementing a human-centered approach;and intelligently upgrading LMMs through the deep optimization of such models,their algorithms,and other *** effort will thus substantially contribute not only to the maintenance of students’health but also to the achievement of global sustainable development goals.

关键词： Large multimodal models ChatGPT Psychiatric disorders Mental health Student