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Journal of Environmental Sciences 2007年第5期19卷 572-577页

作者： cheng yan-li bai yu-hua li jin-long liu zhao-rong College of Environmental Sciences Peking University Beijing 100871 China

A modified two-dimensional Eulerian air quality model was used to simulate both the gaseous and particulate pollutant concentrations during October 21-24, 2004 in the Pearl River Delta （PRD） region, China. The most significant improvement to the model is the added capability to predict the secondary organic aerosols （SOA） concentrations because of the inclusion of the SOA formation chemistry. The meteorological input data were prepared using the CALMET meteorological model. The concentrations of aerosol-bound species such as NO3^-, NH4^＋, SO4^2-, and SOA were calculated in the fine particle size range （〈2.5 μm）. The results of the two-dimensional model were compared to the measurements at the ground level during the PRD Intensive Monitoring Campaign （IMC）. Overall, there were good agreements between the measured and modeled concentrations of inorganic aerosol components and O3. Both the measured and the modeled results indicated that the maximum hourly O3 concentrations exceeded the China National Air Quality Standard. The predicted 24-h average SOA concentrations were in reasonable agreement with those predicted by the method of minimum OC/EC ratio.

关键词： air quality model numerical simulation secondary organic aerosol inorganic aerosol

Shexiang Tongxin Dropping Pill Promotes Angiogenesis through VEGF/eNOS Signaling Pathway on Diabetic Coronary Microcirculation Dysfunction

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Chinese Journal of Integrative Medicine 2024年第10期30卷 886-895页

作者： CUI Xin-yu liu Tian-hua bai Ya-li ZHANG Meng-di li Guo-dong ZHANG yu-ting yuAN yue-ying ZHANG Ya-wen yu li-shuang HAN li-na WU yan School of Traditional Chinese Medicine Beijing University of Chinese MedicineBeijing100029China Key Laboratory of Traditional Chinese Medicine Syndrome and Formula Ministry of Education Beijing University of Chinese MedicineBeijing100029China Beijing Research Institute of Chinese Medicine Beijing University of Chinese MedicineBeijing100029China

Objective:To study the effect of Shexiang Tongxin Dropping Pill(STDP)on angiogenesis in diabetic cardiomyopathy mice with coronary microcirculation dysfunction(CMD).Methods:According to a random number table,6 of 36 SPF male C57BL/6 mice were randomly selected as the control group,and the remaining 30 mice were injected with streptozotocin intraperitoneally to replicate the type 1 diabetes *** successfully copied the diabetes model were randomly divided into the model group,STDP low-dose group[15 mg/(kg·d)],medium-dose group[30 mg/(kg·d)],high-dose group[60 mg/(kg·d)],and nicorandil group[15 mg/(kg·d)],6 in each *** drug was given by continuous gavage for 12 *** cardiac function of mice in each group was detected at the end of the experiment,and coronary flow reserve(CFR)was detected by chest Doppler *** changes of myocardium were observed by hematoxylin-eosin staining,collagen fiber deposition was detected by masson staining,the number of myocardial capillaries was detected by platelet endothelial cell adhesion molecule-1 staining,and the degree of myocardial hypertrophy was detected by wheat germ agglutinin *** expression of the vascular endothlial growth factor(VEGF)/endothelial nitric oxide synthase(eNOS)signaling pathway-related proteins in myocardial tissue was detected by Western ***:Compared with the model group,medium-and high-dose STDP significantly increased the left ventricular ejection fraction and left ventricular fraction shortening(Plial growth factor receptor 2,phosphoinositide 3-kinase,protein kinase B,and eNOS(P<0.05 or P<0.01).Conclusion:STDP has a definite therapeuti

关键词： Shexiang Tongxin Dropping Pill type 1 diabetes diabetic cardiomyopathy coronary microcirculation dysfunction angiogenesis

Risk factors for renal outcomes in children with antineutrophil cytoplasmic antibody-associated vasculitis:a nationwide retrospective study in China

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World Journal of Pediatrics 2024年第5期20卷 506-516页

作者： li-Wen Tan Jun-li Wan Chun-hua Zhu Hong Xu Zheng-Kun Xia li-Zhi Chen Xiao-Chuan Wu Fang Wang Xiao-rong liu cheng-Guang zhao Xiao-Zhong li Jian-hua Mao Xiao-Wen Wang Wen-yan huang yu-Hong li Jian-Jiang Zhang Shi-Pin Feng Jun yang Jiao-Jiao liu Chun-lin Gao li-Ping rong Lan-Jun Shuai Ke Xu He-Jia Zhang Qiu li Ai-hua Zhang Mo Wang Department of Nephrology Children’s Hospital of Chongqing Medical UniversityZhongshan 2nd Rd.136Chongqing400014China Ministry of Education Key Laboratory of Child Development and Disorders National Clinical Research Center for Child Health and DisordersChina International Science and Technology Cooperation Base of Child Development and Critical DisordersChildren’s Hospital of Chongqing Medical UniversityChongqingChina Chongqing Key Laboratory of Pediatrics Children’s Hospital of Chongqing Medical UniversityChongqingChina Department of Nephrology Children’s Hospital of Nanjing Medical University72 Guangzhou RoadNanjing210008China Department of Nephrology Children’s Hospital of Fudan UniversityNational Paediatric Medical Center of ChinaShanghaiChina Department of Pediatrics Jinling HospitalNanjing Medical UniversityNanjingChina Department of Pediatrics Jinling HospitalThe First School of Clinical MedicineSouthern Medical UniversityNanjingChina Department of Pediatrics Jinling HospitalMedical School of Nanjing UniversityNanjingChina Department of Pediatric Nephrology and Rheumatology The First Affiliated Hospital of Sun Yat-Sen UniversityGuangzhouChina Department of Pediatrics The Second Xiangya Hospital of Central South UniversityChangshaChina Department of Pediatrics Peking University First HospitalBeijingChina Department of Nephrology Beijing Children’s HospitalCapital Medical UniversityBeijing100045China National Center for Children’s Health BeijingChina Department of Pediatrics Shengjing Hospital of China Medical UniversityShenyangChina Department of Nephrology and Immunology Children’s Hospital of Soochow UniversitySuzhouChina Department of Nephrology Children HospitalZhejiang University School of MedicineHangzhouChina Department of Nephrology Wuhan Children’s Hospital(Wuhan Maternal and Child Healthcare Hospital)Tongji Medical CollegeHuazhong University of Science&TechnologyWuhanChina Department of Nephrology and Rheumatology Shanghai Children’s HospitalSchool

Background Pediatric antineutrophil cytoplasmic antibody-associated vasculitis(AAV)is a life-threatening systemic vasculitis featured by liability to renal ***,there are few studies on the risk factors and predictive models for renal outcomes of AAV in *** Data from 179 AAV children in multiple centers between January 2012 and March 2020 were collected *** risk factors and predictive model of end-stage renal disease(ESRD)in AAV were *** Renal involvement was the most typical manifestation(95.5%),and the crescent was the predominant pathological lesion(84.9%).The estimated glomerular filtration rate(eGFR)was evaluated in 114 patients,of whom 59.6%developed ESRD,and the median time to ESRD was 3.20 *** eGFR[P=0.006,odds ratio(OR)=0.955,95%confidence interval(CI)=0.924–0.987]and the percentages of global glomerulosclerosis(pGGS;P=0.018,OR=1.060,95%CI=1.010–1.112)were independent risk factors for ESRD of renal *** on the pGGS and eGFR at renal biopsy,we developed three risk grades of ESRD and one predictive *** Kaplan‒Meier curve indicated that renal outcomes were significantly different in different risk grades(Pline,the predictive model had higher accuracy(0.86 versus 0.58,P<0.001)and a lower coefficient of variation(0.07 versus 0.92)in external *** Renal involvement is the most common manifestation of pediatric AAV in China,of which more than half deteriorates into *** predictive model based on eGFR at renal biopsy and the pGGS may be stable and accurate in speculating the risk of ESRD in AAV children.

关键词： Antineutrophil cytoplasmic antibody End-stage renal disease Glomerulonephritis Pediatric nephrology Vasculitis

Stepped-up development of accelerator mass spectrometry method for the detection of ^(60)Fe with the HI-13 tandem accelerator

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Nuclear Science and Techniques 2024年第4期35卷 136-143页

作者： yang Zhang Sheng-Quan yan Ming He Qing-Zhang zhao Wen-Hui Zhang Chao-Xin Kan Jian-Ming Zhou Kang-Ning li Xiao-Fei Wang Jian-cheng liu zhao-hua Peng Zhuo liang Ai-ling li Jian Zheng Qi-Wen Fan yun-Ju li You-Bao Wang Zhi-Hong li yang-Ping Shen Ding Nan Wei Nan yu-Qiang Zhang Jia-Ying-Hao li Jun-Wen Tian Jiang-lin Hou Chang-Xin Guo Zhi-cheng Zhang Ming-Hao Zhu yu-Wen Chen yu-Chen Jiang Tao Tian jin-long Ma Yi-Hui liu jing-yu Dong Run-long liu Mei-yue-Nan Ma Yong-Shou Chen Wei-Ping liu Bing Guo China Institute of Atomic Energy P.O.Box 275(10)Beijing 102413China College of Science Southern University of Science and TechnologyShenzhen 518055China School of Physics Xi’an Jiaotong UniversityXi’an 710049China

The Moon provides a unique environment for investigating nearby astrophysical events such as *** samples retain valuable information from these events,via detectable long-lived“fingerprint”radionuclides such as^(60)*** this work,we stepped up the development of an accelerator mass spectrometry(AMS)method for detecting^(60)Fe using the HI-13tandem accelerator at the China Institute of Atomic Energy(CIAE).Since interferences could not be sufficiently removed solely with the existing magnetic systems of the tandem accelerator and the following Q3D magnetic spectrograph,a Wien filter with a maximum voltage of±60 kV and a maximum magnetic field of 0.3 T was installed after the accelerator magnetic systems to lower the detection background for the low abundance nuclide^(60)Fe.A 1μm thick Si_(3)N_(4) foil was installed in front of the Q3D as an energy *** particle detection,a multi-anode gas ionization chamber was mounted at the center of the focal plane of the ***,an^(60)Fe sample with an abundance of 1.125×10^(-10)was used to test the new AMS *** results indicate that^(60)Fe can be clearly distinguished from the isobar^(60)*** sensitivity was assessed to be better than 4.3×10^(-14)based on blank sample measurements lasting 5.8 h,and the sensitivity could,in principle,be expected to be approximately 2.5×10^(-15)when the data were accumulated for 100 h,which is feasible for future lunar sample measurements because the main contaminants were sufficiently separated.

关键词： Accelerator mass spectrometry Wien filter Isobar separation Supernovae Chang'e-5 lunar samples

Sintilimab(anti-PD-1 antibody)plus chidamide(histone deacetylase inhibitor)in relapsed or refractory extranodal natural killer T-cell lymphoma(SCENT):a phase Ⅰb/Ⅱ study

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Signal Transduction and Targeted Therapy 2024年第6期9卷 2765-2773页

作者： yan Gao Haixia He Xueping li liling Zhang Wei Xu Ru Feng Wenyu li Yin Xiao Xinxiu liu yu Chen Xiaoxiao Wang Bing bai Huijing Wu Qingqing Cai Zhiming li Jibin li Suxia lin yanxia He liqin Ping cheng huang Jiaying Mao Xiujin Chen baitian zhao Huiqiang huang State Key Laboratory of Oncology in South China&Collaborative Innovation Center of Cancer Medicine Guangdong Provincial Clinical Research Center for CancerSun Yat-sen University Cancer CenterGuangzhouChina Department of Medical Oncology Sun Yat-sen University Cancer CenterGuangzhouChina Department of Radiation Oncology Sun Yat-sen Memorial HospitalSun Yat-sen UniversityGuangzhouChina Department of Hematology Sun Yat-sen University Cancer CenterGuangzhouChina Cancer Center Union Hospital affiliated to Tongji Medical College of Huazhong University of Science and TechnologyWuhanChina Department of Hematology The First Affiliated Hospital of Nanjing Medical UniversityJiangsu Province HospitalNanjingChina Department of Hematology Nanfang HospitalSouthern Medical UniversityGuangzhouChina Department of Lymphoma Guangdong Provincial People’s HospitalGuangdong Academy of Medical SciencesGuangzhouChina Department of pathology Guangdong General HospitalGuangdong Academy of Medical SciencesGuangzhouChina Department of Medical Oncology Hubei Cancer CenterWuhanChina Department of Clinical Research Sun Yat-sen University Cancer CenterGuanzhouChina Department of Pathology Sun Yat-sen University Cancer CenterGuangzhouChina

Anti-PD-1 antibodies are a favorable treatment for relapsed or refractory extranodal natural killer T cell lymphoma(RR-ENKTL),however,the complete response(CR)rate and the duration of response(DOR)need to be *** phase 1b/2 study investigated the safety and efficacy of sintilimab,a fully human anti-PD-1 antibody,plus chidamide,an oral subtype-selective histone deacetylase inhibitor in 38 patients with *** objective response rate(ORR)of combination treatment was 80%.Patients received escalating doses of chidamide,administered concomitantly with fixed-dose sintilimab in 21-days cycles up to 12 *** dose-limiting events were observed,RP2D of chidamide was 30 mg twice a ***-nine patients were enrolled in phase *** the intention-to-treat population(n=37),overall response rate was 59.5% with a complete remission rate of 48.6%.The median DOR,progression-free survival(PFS),and overall survival(OS)were 25.3,23.2,and 32.9 months,*** most common grade 3 or higher treatment-emergent adverse events(AEs)were neutropenia(28.9%)and thrombocytopenia(10.5%),immune-related AEs were reported in 18(47.3%)*** biomarker assessment suggested that a combination of dynamic plasma ctDNA and EBV-DNA played a vital prognostic ***3 mutation shows an unfavorable *** outcome of anticipate ORR was not achieved,sintilimab plus chidamide was shown to have a manageable safety profile and yielded encouraging CR rate and DOR in RR-ENKTL for the first *** is a promising therapeutic option for this population.

关键词： killer lymphoma doses

Design and prototyping of the readout electronics for the transition radiation detector in the high energy cosmic radiation detection facility

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Nuclear Science and Techniques 2024年第4期35卷 189-199页

作者： Jie-yu Zhu yang-Zhou Su Hai-Bo yang Fen-hua Lu yan yang Xi-Wen liu Ping Wei Shu-Cai Wan Hao-Qing Xie Xian-Qin li Cong Dai Hui-Jun Hu Hong-Bang liu Shu-Wen Tang cheng-Xin zhao Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China School of Nuclear Science and Technology University of Chinese Academy of SciencesBeijing 100049China Guangxi Key Laboratory for Relativistic Astrophysics School of Physical Science and TechnologyGuangxi UniversityNanning 530004China

The high energy cosmic-radiation detection(HERD)facility is planned to launch in 2027 and scheduled to be installed on the China Space *** serves as a dark matter particle detector,a cosmic ray instrument,and an observatory for high-energy gamma rays.A transition radiation detector placed on one of its lateral sides serves dual purpose,(ⅰ)calibrating HERD's electromagnetic calorimeter in the TeV energy range,and(ⅱ)serving as an independent detector for high-energy gamma *** this paper,the prototype readout electronics design of the transition radiation detector is demonstrated,which aims to accurately measure the charge of the anodes using the SAMPA application specific integrated circuit *** electronic performance of the prototype system is evaluated in terms of noise,linearity,and *** the presented design,each electronic channel can achieve a dynamic range of 0–100 fC,the RMS noise level not exceeding 0.15 fC,and the integral nonlinearity was<0.2%.To further verify the readout electronic performance,a joint test with the detector was carried out,and the results show that the prototype system can satisfy the requirements of the detector's scientific goals.

关键词： HERD Dark matter particle detection TRD Readout electronics SAMPA Data acquisition Performance test

Identification and Validation of SLC9A2 as A Potential Tumor Suppressor in Colorectal Cancer:Integrating Bioinformatics Analysis with Experimental Confirmation

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Current Medical Science 2024年第3期44卷 529-544页

作者： yan-min liu Tie-cheng yanG Xiao-chang FANG li-jie yanG li-wen SHI hua-qiao WANG Ting-ting DOU lin SHU Tian-liang CHEN Jun HU Xiao-ming yu Xuan-fei li Department of Gastroenterology the Central Hospital of WuhanKey Laboratory for Molecular Diagnosis of Hubei ProvinceTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430014China Department of Gastrointestinal Surgery Zhongnan Hospital of Wuhan UniversityWuhan430071China Clinical Medical Research Center of Peritoneal Cancer of Wuhan Wuhan430071China Hubei Provincial Clinical Research Center for Cancer Hubei Key Laboratory of Tumor Biological Behavi Wuhan430071China Department of General Surgery Taihe HospitalHubei University of MedicineShiyan442000China Department of Gastrointestinal Surgery Huangshi Central HospitalAffiliated Hospital of Hubei Polytechnic UniversityWuhan435001China

Objective To uncover the mechanisms underlying the development of colorectal cancer(CRC),we applied bioinformatic analyses to identify key genes and experimentally validated their possible roles in CRC onset and *** We performed Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway analysis on differentially expressed genes(DEGs),constructed a protein-protein interaction(PPI)network to find the top 10 hub genes,and analyzed their expression in colon adenocarcinoma(COAD)and rectum adenocarcinoma(READ).We also studied the correlation between these genes and immune cell infiltration and prognosis and validated the expression of SLC9A2 in CRC tissues and cell lines using qRT-PCR and Western *** experiments were conducted in vitro to investigate the effects of SLC9A2 on tumor growth and *** We found 130 DEGs,with 45 up-regulated and 85 down-regulated in *** analysis indicated that these DEGs were primarily enriched in functions related to the regulation of cellular pH,zymogen granules,and transmembrane transporter *** pathway analysis revealed that the DEGs played pivotal roles in pancreatic secretion,rheumatoid arthritis,and the IL-17 signaling *** identified 10 hub genes:CXCL1,SLC26A3,CXCL2,MMP7,MMP1,SLC9A2,SLC4A4,CLCA1,CLCA4,and *** enrichment analysis showed that these hub genes were predominantly involved in the positive regulation of *** expression analysis revealed that CXCL1,CXCL2,MMP1,and MMP7 were highly expressed in CRC,whereas CLCA1,CLCA4,SLC4A4,SLC9A2,SLC26A3,and ZG16 were expressed at lower *** analysis revealed that 5 key genes were significantly associated with the prognosis of *** mRNA and protein expression levels of SLC9A2 were markedly reduced in CRC tissues and cell ***,SLC9A2 overexpression in SW480 cells led to a notable inhibition of cell proliferation,migration,and *** blotting analysis revealed tha

关键词： SLC9A2 colorectal cancer bioinformatic analysis biomarkers immune infiltrate

Construction of wavelength-tunable DSE quinoline salt derivatives by regulating the hybridization form of the nitrogen atom and intramolecular torsion angle

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Chinese Chemical Letters 2024年第10期35卷 315-320页

作者： Kuan Deng Fei yang Zhi-Qi cheng Bi-Wen Ren hua liu Jiao Chen Meng-Yao She Le yu Xiao-Gang liu Hai-Tao Feng Jian-li li Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education Shaanxi Key Laboratory for Carbon Neutral TechnologyCollege of Chemistry&Materials ScienceNorthwest UniversityXi'an710127China Key Laboratory of Resource Biology and Biotechnology in Western China Ministry of EducationBiomedicine Key Laboratory of Shaanxi ProvinceLab of Tissue Engineeringthe College of Life SciencesFaculty of Life Science&MedicineNorthwest UniversityXi'an 710069China Fluorescence Research Group Singapore University of Technology and DesignSingapore 487372Singapore Baoji AIE Research Center Shaanxi Key Laboratory of PhytochemistryCollege of Chemistry and Chemical EngineeringBaoji University of Arts and SciencesBaoji721013China

Dual-state emission(DSE)molecules displayed conspicuous fluorescent performance both in solid and solution ***,the construction of DSE molecules and the regulation of their emission wavelengths remains a great *** on the structure-function relationship of quinolinonitrile-type fluorophores,this work proposed a feasible strategy for modulating their fluorescent properties into DSE via limiting the torsion angle between the quinoline ring and C=C bond in the range of 4.7°to 30°.Based on this strategy,53 compounds were obtained which displayed tunable emission wavelengths from^(3)97 nm to 740 nm in solid-state and from 360 nm to 672 nm in *** feasibility of the strategy was supported by a series of theoretical calculations,optical characterizations,and crystal analysis,suggesting the compounds have great potential in imaging living cells and tissues with desired wavelengths.

关键词： Fluorescence Dual-state emission Structure-function relationship Wavelength regulation Fluorescent imaging

Effect and Safety of Herbal Medicine Foot Baths in Patients with Diabetic Peripheral Neuropathy:A Multicenter Double-Blind Randomized Controlled Trial

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Chinese Journal of Integrative Medicine 2024年第3期30卷 195-202页

作者： huaNG Hao-yue liN yu-ping WEI hua FU yu ZHOU yue-hong FANG zhao-hui QIU Xiao-tang WANG Mei li Qing-bo li Shan-shan WANG Shi-dong DAI Fang liu Zhen-jie zhao ling WEN Jian-xuan WU li-yan ZENG Hui-yan ZHANG jin-ming LU Qi-yun HE liu SONG Wei SUN Lu LUO Lu-lu HE Jia-li XIE Wen-wen liANG Qing-shun huaNG yuan ZHU Sheng-ling long Jie-er GAO Zhi-juan WEN Ze-huai li Chun-ji OUyanG Wen-wei li Geng WU Ming-hui li An-xiang huaNG jin-zhu Sanjoy K Paul TANG Xian-yu FAN Guan-jie Department of Endocrinology Guangdong Provincial Hospital of Chinese MedicineGuangzhou510120China The Second Clinical College of Guangzhou University of Chinese Medicine Guangzhou510120China Department of Endocrinology The Second Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou510120China Guangdong Provincial Academy of Chinese Medical Sciences Guangzhou510120China Department of Endocrinology The First Affiliated Hospital of Henan University of Chinese MedicineZhengzhou450000China Department of Endocrinology Liuyang Hospital of Chinese MedicineChangsha410000China Department of Endocrinology The First Affiliated Hospital of Anhui University of Chinese MedicineHefei230000China Department of Endocrinology Hainan Provincial Hospital of Traditional Chinese MedicineHaikou570100China Department of Endocrinology The Affiliated Hospital of Liaoning University of Traditional Chinese MedicineShenyang110000China Department of Geriatric Luoyang No.1 Hospital of Traditional Chinese MedicineLuoyangHenan Province471000China Department of Endocrinology The Second Affiliated Hospital of Guizhou University of Traditional Chinese MedicineGuiyang550000China Department of Endocrinology Beijing University of Chinese Medicine Affiliated Dongzhimen HospitalBeijing100000China Department of Endocrinology The First Affiliated Hospital of Guizhou University of Traditional Chinese MedicineGuiyang550000China Melbourne EpiCentre The University of Melbourne and Melbourne HealthMelbourne3013Australia

Objective:To evaluate the effect and safety of foot baths with Tangbi Waixi Decoction(TW)in treating patients with diabetic peripheral neuropathy(DPN).Methods:It is a multicenter double-blinded randomized controlled *** with DPN were recruited between November 18,2016 and May 30,2018 from 8 hospitals in *** patients received basic treatments for glycemic *** received foot baths with TW herbal granules either 66.9 g(intervention group)or 6.69 g(control group)for 30 min once a day for 2 weeks and followed by a 2-week rest,as a therapeutic *** the Toronto Clinical Scoring System total score(TCSS-TS)6 points,the patients received a total of 3 therapeutic courses(for 12 weeks)and were followed up for 12 *** primary outcome was change in TCSS-TS score at 12 and 24 *** outcomes included changes in bilateral motor nerve conduction velocity(MNCV)and sensory nerve conduction velocity(SNCV)of the median and common peroneal *** was also ***:Totally 632 patients were enrolled,and 317 and 315 were randomized to the intervention and control groups,*** the 12-week intervention,patients in both groups showed significant declines in TCSSTS scores,and significant increases in MNCV and SNCV of the median and common peroneal nerves compared with pre-treatment(P0.05),and no serious adverse event was related with ***:Treatment of TW foot baths was safe and significantly benefitted patients with DPN.A low dose of TW appeared to be more effective than a high dose.(Registry *** CTR-IOR-16009331)

关键词： diabetic peripheral neuropathy herbal medicine foot baths Chinese medicine randomized controlled trial Tangbi Waixi Decoction

Polymer Fiber Rigid Network with High Glass Transition Temperature Reinforces Stability of Organic Photovoltaics

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Nano-Micro Letters 2024年第11期16卷 56-69页

作者： Qiao Zhou Cenqi yan Hongxiang li Zhendong Zhu yujie Gao Jie Xiong hua Tang Can Zhu Hailin yu Sandra P.Gonzalez Lopez Jiayu Wang Meng Qin Jianshu li longbo Luo Xiangyang liu Jiaqiang Qin Shirong Lu Lei Meng Frédéric Laquai Yongfang li Pei cheng College of Polymer Science and Engineering State Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu 610065People’s Republic of China KAUST Solar Center Physical Science and Engineering DivisionKing Abdullah University of Science and Technology(KAUST)ThuwalKingdom of Saudi Arabia Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Organic SolidsInstitute of ChemistryChinese Academy of SciencesBeijing 100190People’s Republic of China Department of Material Science and Technology Taizhou UniversityTaizhou 318000People’s Republic of China

Organic photovoltaics(OPVs)need to overcome limitations such as insufficient thermal stability to be *** reported approaches to improve stability either rely on the development of new materials or on tailoring the donor/acceptor morphology,however,exhibiting limited ***,it is timely to develop an easy method to enhance thermal stability without having to develop new donor/acceptor materials or donor–acceptor compatibilizers,or by introducing another third ***,a unique approach is presented,based on constructing a polymer fiber rigid network with a high glass transition temperature(T_(g))to impede the movement of acceptor and donor molecules,to immobilize the active layer morphology,and thereby to improve thermal stability.A high-T_(g) one-dimensional aramid nanofiber(ANF)is utilized for network *** OPVs with ANF network yield superior thermal stability compared to the ANF-free *** ANF network-incorporated active layer demonstrates significantly more stable morphology than the ANF-free counterpart,thereby leaving fundamental processes such as charge separation,transport,and collection,determining the device efficiency,largely *** strategy is also successfully applied to other photovoltaic *** strategy of incorporating a polymer fiber rigid network with high T_(g) offers a distinct perspective addressing the challenge of thermal instability with simplicity and universality.

关键词： Inverted organic photovoltaics Thermal stability Aramid nanofibers Morphology control Charge carrier dynamics