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Boosted solar water oxidation steered by atomically precise alloy nanocluster

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Chinese Chemical Letters 2025年第1期36卷 349-354页

作者： xian Yan Huawei Xie Gao Wu fang-Xing Xiao College of Materials Science and Engineering Fuzhou University(New Campus)Minhou 350108China Department of Forensic Science The Engineering Research CenterFujian Police CollegeFuzhou 350002China State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China

Atomically precise metal nanoclusters(NCs)have been deemed as a new generation of metal nanomaterials in the field of solar energy conversion due to their unique atomic stacking manner,quantum confinement effects,light-harvesting capability and multitude of active ***,wide-spread application of monometallic NCs is blocked by the ultrashort carrier lifespan,uncontrollable charge transport pathway,and light-induced poor stability,impeding the construction of robust and stable metal NC-based ***,we report the fabrication of stable alloy(Au_(1-x)Pt_(x))NCs photosystem,for which tailor-made negatively charged l-glutathione(GSH)-capped Au_(1-x)Pt_(x)NCs as the building blocks are controllably deposited on the Bi VO_(4)(BVO)by a self-assembly approach for steering enhanced light absorption and interfacial charge transfer over alloy NCs-based photoanodes(Au_(1-x)Pt_(x)/BVO).The self-assembled Au_(1-x)Pt_(x)/BVO composite photoanode exhibits the significantly enhanced photoelectrochemical water oxidation performances compared with pristine BVO and Au_(x)/BVO photoanodes,which is caused by the Pt atom doping into the Au_(x)NCs for elevating photosensitivity and boosting the *** synergy of Au and Pt atoms in alloy NCs protects the gold core from rapid oxidation,improving the photostability and accelerating the surface charge transfer *** work would significantly inspire ongoing interest in unlocking the charge transport characteristics of atomically precise alloy NCs for solar energy conversion.

关键词： Alloy nanoclusters Self-assembly Charge transport Photoanodes Photoelectrochemical water oxidation

Aligning enhanced feature representation for generalized zero-shot learning

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Science China(Information Sciences) 2025年第2期68卷 74-88页

作者： Zhiyu fang Xiaobin ZHU Chun YANG Hongyang ZHOU Jingyan qin Xu-Cheng YIN School of Computer & Communication Engineering University of Science and Technology Beijing

Constructing an effective common latent embedding by aligning the latent spaces of cross-modal variational autoencoders（VAEs） is a popular strategy for generalized zero-shot learning（GZSL）. However, due to the lack of fine-grained instance-wise annotations, existing VAE methods can easily suffer from the posterior collapse problem. In this paper, we propose an innovative asymmetric VAE network by aligning enhanced feature representation（AEFR） for GZSL. Distinguished from general VAE structures, we designed two asymmetric encoders for visual and semantic observations and one decoder for visual reconstruction. Specifically, we propose a simple yet effective gated attention mechanism（GAM） in the visual encoder for enhancing the information interaction between observations and latent variables, alleviating the possible posterior collapse problem effectively. In addition, we propose a novel distributional decoupling-based contrastive learning（D2-CL） to guide learning classification-relevant information while aligning the representations at the taxonomy level in the latent representation space. Extensive experiments on publicly available datasets demonstrate the state-of-the-art performance of our method. The source code is available at https://***/seeyourmind/AEFR.

关键词： generalized zero-shot learning gated attention mechanism contrastive learning multi-modal alignment

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Two new families of fourth-order explicit exponential Runge–Kutta methods with four stages for first-order differential systems

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Acta Mathematica Sinica,English Series 2025年

作者： xian Fa HU Yong Lei fang Bin WANG School of Mathematics and Statistics Changshu Institute of Technology School of Mathematics and Statistics Zaozhuang University School of Mathematics and Statistics Xi'an Jiaotong University

In this paper, we formulate two new families of fourth-order explicit exponential Runge–Kutta (ERK) methods with four stages for solving first-order differential systems y′(t)+My(t)=f(y(t)). The order conditions of these ERK methods are derived by comparing the Taylor series of the exact solution, which are exactly identical to the order conditions of explicit Runge–Kutta methods, and these ERK methods reduce to classical Runge–Kutta methods once M→0. Moreover, we analyze the stability properties and the convergence of these new methods. Several numerical examples are implemented to illustrate the accuracy and efficiency of these ERK methods by comparison with standard exponential integrators.

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Stir-Fried Semen Armeniacae Amarum Suppresses Aristolochic AcidⅠ-Induced Nephrotoxicity and DNA Adducts

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Chinese Journal of Integrative Medicine 2025年第2期31卷 142-152页

作者： LI Cheng-xian XIAO Xiao-he LI Xin-yu XIAO Da-ke WANG Yin-kang WANG xian-ling ZHANG Ping LI Yu-rong NIU Ming BAI Zhao-fang School of Chinese Materia Medica Beijing University of Chinese MedicineBeijing(100102)China Department of Hepatology Military Institute of Chinese Materiathe Fifth Medical CentreGeneral Hospital of PLABeijing(100039)China National Key Laboratory of Kidney Beijing(100039)China School of Pharmacy Chengdu University of Traditional Chinese MedicineChengdu(610075)China School of Traditional Chinese Medicine Capital Medical UniversityBeijing(100069)China School of Traditional Chinese Medicine Southern Medical UniversityGuangzhou(510515)China Department of Pharmacy Medical Supplies Center of PLA General HospitalBeijing(100039)China Department of Military Patient Management the Fifth Medical Center of PLA General HospitalBeijing(100039)China Department of Hematology the Fifth Medical Center of Chinese PLA General HospitalBeijing(100071)China

Objective:To investigate the protective effects of stir-fried Semen Armeniacae Amarum(SAA)against aristolochic acidⅠ(AAⅠ)-induced nephrotoxicity and DNA adducts and elucidate the underlying mechanism involved for ensuring the safe use of Asari Radix et ***:In vitro,HEK293T cells overexpressing Flag-tagged multidrug resistance-associated protein 3(MRP3)were constructed by Lentiviral transduction,and inhibitory effect of top 10 common pairs of medicinal herbs with Asari Radix et Rhizoma in clinic on MRP3 activity was verified using a self-constructed fluorescence screening *** m RNA,protein expressions,and enzyme activity levels of NAD(P)H quinone dehydrogenase 1(NQO1)and cytochrome P4501A2(CYP1A2)were measured in differentiated Hepa RG *** toxicity after inhibition of AAⅠmetabolite transport was detected using cell counting kit-8 *** vivo,C57BL/6 mice were randomly divided into 5 groups according to a random number table,including:control(1%sodium bicarbonate),AAⅠ(10 mg/kg),stir-fried SAA(1.75 g/kg)and AAⅠ+stir-fried SAA(1.75 and 8.75 g/kg)groups,6 mice in each *** 7 days of continuous gavage administration,liver and kidney damages were assessed,and the protein expressions and enzyme activity of liver metabolic enzymes NQO1 and CYP1A2 were determined ***:In vivo,combination of 1.75 g/kg SAA and 10 mg/kg AAⅠsuppressed AAⅠ-induced nephrotoxicity and reduced d A-ALI formation by 26.7%,and these detoxification effects in a dose-dependent manner(P<0.01).Mechanistically,SAA inhibited MRP3 transport in vitro,downregulated NQO1 expression in vivo,increased CYP1A2 expression and enzymatic activity in vitro and in vivo,respectively(P<0.05 or P<0.01).Notably,SAA also reduced AAⅠ-induced hepatotoxicity throughout the detoxification process,as indicated by a 41.3%reduction in the number of liver adducts(P<0.01).Conclusions:Stirfried SAA is a novel drug candidate for the suppression of AAⅠ-induced liver and kidney dam

关键词： aristolochic acidⅠ stir-fried Semen Armeniacae Amarum detoxification principles of compatibility metabolic enzymes transporters

Low-concentration atropine(0.01%)on quantitative contrast sensitivity function in Chinese children with myopia

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International Journal of Ophthalmology(English edition) 2025年第1期18卷 117-124页

作者： Yu-Hao Ye Yi-Yong xian fang Liu Zhong-Lin Lyu Xing-Tao Zhou Jing Zhao Department of Ophthalmology and Optometry Eye&ENT Hospital of Fudan UniversityShanghai 200031China NHC Key Laboratory of Myopia(Fudan University) Key Laboratory of MyopiaChinese Academy of Medical SciencesShanghai 200000China Shanghai Research Center of Ophthalmology and Optometry Shanghai 200000China Shanghai Engineering Research Center of Laser and Autostereoscopic 3D for Vision Care(20DZ2255000).Shanghai 200030 China Division of Arts and Sciences NYU ShanghaiShanghai 200000China Center for Neural Science and Department of Psychology New York UniversityNew York 10012USA NYU-ECNU Institute of Brain and Cognitive Science NYU ShanghaiShanghai 200000China

AIM:To investigate the effect of 0.01%low-concentration atropine(LA)on quantitative contrast sensitivity function(qCSF)in children with ***:This paired case-control study included 90 eyes of 58 children who were sex-,age-,and refractionmatched and equally divided into two groups:the 0.01%LA group had undergone 6mo use of daily 0.01%atropine and control group was naïve to *** ophthalmic examinations and qCSF test without refractive correction were *** groups were compared in monocular and binocular qCSF parameters,including the area under logCSF,CSF acuity,and contrast sensitivity(CS)at 1.0-18.0 cycle per degree(cpd).RESULTS:In the monocular comparison,the CSF acuity of the LA group was significantly higher than that of the control group(7.58±5.51 vs 6.37±4.22 cpd,P<0.05).The subgroup analysis showed that in the 6-9y group,CSF acuity was significantly higher in the LA group than the control group(8.76±6.19 vs 6.54±4.25 cpd,P<0.05),and in the Female group,low refraction sphere group,and high refraction cylinder group,the CS at high spatial frequencies(12.0 and 18.0 cpd)were significantly higher in the LA group than in the control group(all P<0.05).In the binocular test,CSF acuity and CS at 12.0 cpd were significantly higher in the LA group than in the control group(10.95±7.00 vs 8.65±5.12 cpd;0.17±0.33 vs 0.06±0.16,respectively;both P<0.05).CONCLUSION:Use of LA may result in improved CS in children with early onset myopia.

关键词： low-concentration atropine myopia quantitative contrast sensitivity function Chinese children

What is the role of nonalcoholic fatty liver disease in pulmonary carcinoma development?

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World Journal of Gastroenterology 2025年第5期31卷 7-12页

作者： qin Pan qing-Yang Xu Lang-Hua Zhang Ya-fang He Shanghai Institute of Pediatric Research Shanghai Key Laboratory of Pediatric Gastroenterology and NutritionXinhua HospitalShanghai Jiao Tong UniversitySchool of MedicineShanghai 200092China Department of Gastroenterology Xinhua HospitalShanghai Jiao Tong UniversitySchool of MedicineShanghai 200092China School of Health Science and Engineering University of Shanghai for Science and TechnologyShanghai 200093China Department of Gastroenterology Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical UniversityLinhai 317000Zhejiang ProvinceChina School of Medical Technology Shanghai University of Medicine and Health SciencesShanghai 201318China Department of Pediatric Respiratory Xinhua HospitalShanghai Jiao Tong UniversitySchool of MedicineShanghai 200092China

This article summarizes the epidemiological characteristics and clinical manifest-ations of nonalcoholic fatty liver disease(NAFLD).The incidence of NAFLD has been increased dramatically and become the leading cause of chronic liver disease *** addition to its adverse outcomes of liver fibrosis,cirrhosis,and hepatocellular carcinoma,and related complications,NAFLD has recently been found to be associated with the high-risk extrahepatic carcinomas,such as various types of lung cancer(i.e.,lung adenocarcinoma,squamous cell carcinoma,and small cell lung cancer).The presence of hepatic steatosis also predisposes lung cancer to liver metastasis,but has better response to immune checkpoint *** other factors(i.e.,gender,smoking,etc.)are associated with NAFLD and lung cancer remains *** also comment on the reciprocal rela-tionships between NAFLD and components of metabolic *** meta-bolic syndrome components are suggested to facilitate lung cancer development via activating insulin/insulin-like growth factor *** addition,suppressed anti-tumor immunity and accelerated tumor progression could be attributed to the cell-specific metabolic reprogramming in condition of high-fat diet and related *** findings may reveal the role of NAFLD in pulmonary carcinoma and help develop new treatment strategies for this disease.

关键词： Nonalcoholic fatty liver disease Lung Cancer Adenocarcinoma Metabolic syndrome Component

Machine learning-based grayscale analyses for lithofacies identification of the Shahejie formation, Bohai Bay Basin, China

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Petroleum Science 2025年第1期22卷 42-54页

作者： Yu-Fan Wang Shang Xu fang Hao Hui-Min Liu qin-Hong Hu Ke-Lai Xi Dong Yang National Key Laboratory of Deep Oil and Gas China University of Petroleum (East China) Shengli Oilfield Branch Company SINOPEC

It is of great significance to accurately and rapidly identify shale lithofacies in relation to the evaluation and prediction of sweet spots for shale oil and gas reservoirs. To address the problem of low resolution in logging curves, this study establishes a grayscale-phase model based on high-resolution grayscale curves using clustering analysis algorithms for shale lithofacies identification, working with the Shahejie Formation, Bohai Bay Basin, China. The grayscale phase is defined as the sum of absolute grayscale and relative amplitude as well as their features. The absolute grayscale is the absolute magnitude of the gray values and is utilized for evaluating the material composition(mineral composition + total organic carbon) of shale, while the relative amplitude is the difference between adjacent gray values and is used to identify the shale structure type. The research results show that the grayscale phase model can identify shale lithofacies well, and the accuracy and applicability of this model were verified by the fitting relationship between absolute grayscale and shale mineral composition, as well as corresponding relationships between relative amplitudes and laminae development in shales. Four lithofacies are identified in the target layer of the study area: massive mixed shale, laminated mixed shale, massive calcareous shale and laminated calcareous shale. This method can not only effectively characterize the material composition of shale, but also numerically characterize the development degree of shale laminae, and solve the problem that difficult to identify millimeter-scale laminae based on logging curves, which can provide technical support for shale lithofacies identification, sweet spot evaluation and prediction of complex continental lacustrine basins.

关键词： Shale Machine learning Absolute grayscale Relative amplitude Grayscale phase model Lithofacies identification

Impact of dietary nutrition regimens based on body composition analysis on bone metabolism in Alzheimer’s disease patients

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World Journal of Psychiatry 2025年第2期15卷 59-68页

作者： Xue-Lian Wang Yi-Ran Zhao Ying Yu Zhi-fang Mao Su-xian Tan Shan-Shan Yu Department of Clinical Nutrition The Third Hospital of QuzhouQuzhou 324000Zhejiang ProvinceChina Department of Rehabilitation Treatment Group The Third Hospital of QuzhouQuzhou 324000Zhejiang ProvinceChina Department of Geriatrics The Third Hospital of QuzhouQuzhou 324000Zhejiang ProvinceChina Department of Rehabilitation Medicine The Third Hospital of QuzhouQuzhou 324000Zhejiang ProvinceChina Department of Psychiatry The Third Hospital of QuzhouQuzhou 324000Zhejiang ProvinceChina Department of Geriatric Psychiatry The Third Hospital of QuzhouQuzhou 324000Zhejiang ProvinceChina

BACKGROUND Body composition analysis(BCA)is primarily used in the management of conditions such as obesity and endocrine ***,its potential in providing nutritional guidance for patients with Alzheimer’s disease(AD)remains relatively *** To explore the clinical efficacy of BCA-based dietary nutrition scheme on bone metabolism in AD *** This retrospective study included 96 patients with AD complicated by osteoporosis who were admitted to The Third Hospital of Quzhou between January 2023 and December *** on data from previous similar studies,the patients were randomly assigned to either a routine diet(RD)group(n=48)or a personalized nutrition(PN)group(n=48).The RD group received conventional dietary guidance,while the PN group received individualized diet intervention measures based on human *** intervention period lasted for 12 *** mineral density(BMD),body mass index(BMI),muscle mass,mineral content,osteocalcin,25-hydroxyvitamin D,procollagen type I N-terminal propeptide(PINP),beta C-terminal telopeptide of type I collagen(β-CTX),and serum calcium were measured and compared between the two groups before and 12 weeks after the *** No significant differences were observed between groups in terms of age,sex,height,BMI,or other baseline data(P>0.05).In both groups,BMI did not show significant changes after the intervention(P>0.05),whereas muscle mass and mineral content were significantly increased(P-1 compared to the RD group(P<0.05).The mini-mental state examination(MMSE)score was similar in both groups before the ***,12 weeks after the intervention,the MMSE score in the PN group was significantly higher than

关键词： Alzheimer’s disease Bone metabolism disorders Human body composition analysis Dietary nutrition Bone homeostasis Dietary management

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一种工作在亚阈区超低功耗带隙基准源的设计

电子技术应用 2009年第2期35卷 71-73,77页

作者：杨盛波唐宁覃贤芳桂林电子科技大学信息与通信学院广西桂林541004

基于RFID标签芯片的低功耗要求,设计了一种超低功耗的带隙基准电压源,电路中的主要MOS管都工作在亚阈值状态。在spectre环境下仿真表明,当电源电压为3 V～7 V,温度在-30℃～+120℃变化时,输出基准电压为1.8 V±0.001 V。电源电压抑制比(... 详细信息

基于RFID标签芯片的低功耗要求,设计了一种超低功耗的带隙基准电压源,电路中的主要MOS管都工作在亚阈值状态。在spectre环境下仿真表明,当电源电压为3 V～7 V,温度在-30℃～+120℃变化时,输出基准电压为1.8 V±0.001 V。电源电压抑制比(PSRR)为69.5 dB,并且电路工作电流维持在1.5μA～7μA的范围内。

关键词：亚阂值带隙基准源电源抑制比低功耗