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A direct polymeric carbon nitride/tungsten oxide Z-scheme heterostructure for efficient photocatalytic hydrogen generation via reforming of plastics into value-added chemicals

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Rare Metals 2024年第8期43卷 3771-3783页

作者： Rui-Zhe Wang Zhi Lin Yi-Qing Wang Kai-Ni Zhang ge-hong Zhang Jie Zhang Samuel S.Mao Shao-Hua Shen International Research Center for Renewable Energy State Key Laboratory of Multiphase Flow in Power EngineeringXi'an Jiaotong UniversityXi'an 710049China School of Civil and Architecture Engineering Xi'an Technological UniversityXi'an 710021China Department of Mechanical Engineering University of California at BerkeleyBerkeleyCA94720USA

To promote charge transfer and separation for efficient photocatalysis,a direct Z-scheme heterostructure was constructed by coupling polymeric carbon nitride(PCN) and WO_(3).Interestingly,the obtained PCN/WO_(3)Z-scheme heterostructure could photocataly tic ally produce hydrogen and value-added chemicals(e.g.,formate and acetate) by reforming of plastic polylactic acid(PLA) in alkaline aqueous *** optimizing WO_(3) contents and reaction conditions,the obtained PCN/WO_(3)heterostructure exhibits much increased photocatalytic activity for PLA photoreforming under visible light,with hydrogen evolution rate reaching 402.90 μmol·g~(-1)·h~(-1),which is 3.5 times that of *** is revealed that the Z-scheme charge transfer between PCN and WO_(3) mainly contributes to the promoted charge separation and thus the improved photocatalytic ***,with h+and·OH experimentally evidenced as the predominant active species,a possible reaction pathway for the reforming of PLA into value-added chemicals(e.g.,formate and acetate)over PCN/WO_(3) Z-scheme heterostructure is cleared by monitoring the reaction intermediates and *** work paves a carbon neutrality and scalable route toward the synergistical production of hydrogen and value-added chemicals by utilizing and recycling plastic waste.

关键词： Carbon nitride Z-scheme heterojunction Plastic waste conversion Photocatalytic H_(2)production Value-added chemicals

Evaluation of microRNA expression profiles in human sperm frozen using permeable cryoprotectant-free droplet vitrification and conventional methods

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Asian Journal of Andrology 2024年第4期26卷 366-376页

作者： Li-Xin Zhang Jing Mao Yan-Dong Zhou Guang-Yao Mao Run-Fa Guo hong-Shan ge Xia Chen Department of Histology and Embryology Medical SchoolNantong UniversityNantong 226001China Department of Reproductive Medicine The Affiliated Taizhou People’s Hospital of Nanjing Medical UniversityTaizhou School of Clinical MedicineNanjing Medical UniversityTaizhou 225300China.

For sperm cryopreservation,the conventional method,which requires glycerol,has been used for a long *** addition,the permeable cryoprotectant-free vitrification method has been continuously *** the differences of cryopreservation effects between the two methods have being studied,differences in microRNA(miRNA)profiles between them remain *** this study,we investigated the differences in miRNA expression profiles among conventional freezing sperm,droplet vitrification freezing sperm and fresh human *** also analyzed the differences between these methods in terms of differentially expressed miRNAs(DEmiRs)related to early embryonic development and paternal *** results showed no significant differences between the cryopreservation methods in terms of sperm motility ratio,plasma membrane integrity,DNA integrity,mitochondrial membrane potential,acrosome integrity,and ultrastructural ***,sperm miRNA-sequencing showed differences between the two methods in terms of the numbers of DEmiRs(28 and 19 with vitrification using a nonpermeable cryoprotectant and the conventional method,respectively)in postthaw and fresh sperm *** related to early embryonic development and paternal epigenetics mainly included common DEmiRs between the *** results showed that the differences between conventional freezing and droplet vitrification were minimal in terms of miRNA expression related to embryonic development and *** in sperm miRNA expression due to freezing are not always detrimental to embryonic *** study compared differences in miRNA expression profiles before and after cryopreservation between cryopreservation by conventional and vitrification *** offers a new perspective to evaluate various methods of sperm cryopreservation.

关键词： cryopreservation cryoprotectant-free vitrification early embryonic development paternal epigenetic inheritance sperm miRNAs sucrose

Single Ti atoms coupled with Ti-O clusters enable low temperature hydrogen cycling by sodium alanate

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Rare Metals 2024年第6期43卷 2671-2681页

作者： Zhuang-He Ren Xin Zhang Wen-Xuan Zhang Zhen-Guo Huang Li-Mei Yang Ya-Xiong Yang Zheng-Long Li Juan Li Wen-Ping Sun Ming-Xia Gao hong-ge Pan Yong-Feng Liu State Key Laboratory of Silicon and Advanced Semiconductor Materials Zhejiang UniversityHangzhou 310027China School of Materials Science and Engineering Zhejiang UniversityHangzhou 310058China School of Civil&Environmental Engineering.University of Technology Sydney Sydney2007 NSWAustralia Institute of Science and Technology for New Energy Xi'an Technological UniversityXi'an 710021China College of Materials Science and Engineering Zhejiang University of TechnologyHangzhou 310014China

Ti-based catalysts are known to improve the hydrogen storage performance of NaAlH4by facilitating the dissociation/recombination of H-H and Al-H *** catalytic activity of metallic Ti species strongly depends on its particle size and *** clusters and even single atoms are therefore highly desirable,but their controllable fabrication has been highly *** rein,we demonstrate a novel facile sonochemical synthesis of a Ti-O clusters featuring single Ti atom catalyst at room *** reducing TiCl_(4)by MgBu_(2)with ultrasound instead of heating as driving force,numerous single Ti atoms coupled with Ti-O clusters with Ti loading on graphene(Ti_(1)/Ti-O@G)up to 22.6 wt%have been successfully *** prepared Ti_(1)/Ti-O@G contributes high reactivity and superior catalytic activity,therefore enabling full dehydrogenation of NaAlH_(4)at 80℃in thermogravimetric mode and re-hydrogenation at 30℃and 10 MPa with 4.9 wt% H_(2).This fact indicates for the first time that single Ti atom catalyst with high loading is highly effective in catalyzing hydrogen cycling of NaAlH4at remarkably reduced temperatures.

关键词： Hydrogen storage Nanocatalysis Transition metals Single Ti atoms NaAlH_(4)

Modulated noble metal/2D MOF heterostructures for improved hydrogen storage of MgH_(2)

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Rare Metals 2024年第4期43卷 1672-1685页

作者： Zeng-Yi Li Li-Xian Sun Fen Xu Yu-Mei Luo Yong-Peng Xia Sheng Wei Chen-Chen Zhang Ri-Guang Cheng Chao-Feng Ye Meng-Yuan Liu Ju-Lan Zeng Zhong Cao hong-ge Pan School of Material Science and Engineering Guilin University of Electronic TechnologyGuilin541004China School of Chemistry and Chemical Engineering Changsha University of Science and TechnologyChangsha410114China Institute of Science and Technology for New Energy Xi’an Technological UniversityXi’an710021China

The conjugation of external species with twodimensional(2D)materials has broad application *** this study,we have explored the potential of noble metal/2D MOF heterostructures in hydrogen ***,the MgH_(2)-Ni-MOF@Pd system has shown remarkable hydrogen desorption/sorption performances,starting to liberate hydrogen at 1810C,which is 2300C lower than that of pristine *** the catalytic effect of Ni-MOF@Pd,the dehydrogenation apparent activation energy of MgH2 is noticeably decreased from(133.5±17.5)to(34.58±1.87)kJ·moL^(-1),and the hydrogenation apparent activation energy is reduced from(70.41±7.43)to(25.78±4.64)kJ·moL^(-1),which is lowered by 63.4%.The fully-dehydrogenated MgH2-NiMOF@Pd composite rapidly uptakes hydrogen,with 2.62wt%at 100℃and 6.06 wt%at 150℃within 300 s,*** mechanism analysis of MgH2 catalyzed by Ni-MOF@Pd has revealed that the transformation of Mg_2Ni and Mg_2NiH_4 could act as a"hydrogen pump",providing numerous channels for fast diffusion and transport of hydrogen ***,in the dehydrogenation process,the element Pd reacts with MgH_(2)to form the MgPd alloy phase,which makes MgH_(2)take precedence to decompose through the Mg-Pd alloy rather than self-decomposition,further reducing thermal stability and improving de/hydrogenation *** synergistic effect of Mg-Pd,Mg_2Ni,and the special ultra-thin 2D sheet structure of the additive is the main reason for the good hydrogen storage property of MgH_(2)-Ni-MOF@*** findings provide inspiration for designing efficient multifunctional additives with unique morphologies to optimize the hydrogen desorption/sorption behaviors of hydrogen storage materials.

关键词： Hydrogen storage Magnesium hydride 2D metal-organic framework nanosheets Ni/Pd Synergistic catalysis

Artificial intelligence-driven radiomics study in cancer:the role of feature engineering and modeling

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Military Medical Research 2024年第1期11卷 115-147页

作者： Yuan-Peng Zhang Xin-Yun Zhang Yu-Ting Cheng Bing Li Xin-Zhi Teng Jiang Zhang Saikit Lam Ta Zhou Zong-Rui Ma Jia-Bao Sheng Victor CWTam Shara WYLee hong ge Jing Cai Department of Medical Informatics Nantong UniversityNantong 226001JiangsuChina Department of Health Technology and Informatics the Hong Kong Polytechnic UniversityHong Kong 999077China The hong Kong Polytechnic University Shenzhen Research Institute Shenzhen 518000GuangdongChina Department of Radiation Oncology the Affiliated Cancer Hospital of Zhengzhou University and Henan Cancer HospitalZhengzhou 450008China

Modern medicine is reliant on various medical imaging technologies for non-invasively observing patients’***,the interpretation of medical images can be highly subjective and dependent on the expertise of ***,some potentially useful quantitative information in medical images,especially that which is not visible to the naked eye,is often ignored during clinical *** contrast,radiomics performs high-throughput feature extraction from medical images,which enables quantitative analysis of medical images and prediction of various clinical *** have reported that radiomics exhibits promising performance in diagnosis and predicting treatment responses and prognosis,demonstrating its potential to be a non-invasive auxiliary tool for personalized ***,radiomics remains in a developmental phase as numerous technical challenges have yet to be solved,especially in feature engineering and statistical *** this review,we introduce the current utility of radiomics by summarizing research on its application in the diagnosis,prognosis,and prediction of treatment responses in patients with *** focus on machine learning approaches,for feature extraction and selection during feature engineering and for imbalanced datasets and multi-modality fusion during statistical ***,we introduce the stability,reproducibility,and interpretability of features,and the generalizability and interpretability of ***,we offer possible solutions to current challenges in radiomics research.

关键词： Artificial intelligence Radiomics Feature extraction Feature selection Modeling Interpretability Multimodalities Head and neck cancer

Enhanced hydrogen evolution performance by 3D ordered macroporous Ru-CoP@NC electrocatalysts

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Rare Metals 2024年第3期43卷 1095-1107页

作者： Chen-Chen Zhang Sheng Wei Li-Xian Sun Yi-Fang Ouyang Fen Xu Hai-Liang Chu hong-gePan Li-Xin Chen Xue-Zhang Xiao School of Material Science and Engineering Guilin University of Electronic TechnologyGuilin541004China School of Chemistry and Chemical Engineering Guangxi UniversityNanning530004China Shenzhen Institute of Advanced Technology Chinese Academy of SciencesShenzhen518055GuangdongChina Institute of Science and Technology for New Energy Xi'an Technological UniversityXi'an710021China School of Materials Science and Engineering Zhejiang UniversityHangzhou310058China

Electrocatalytic water splitting coupled with sustainable energies is identified as an environmentally friendly and renewable strategy to generate high-quality hydrogen for the fuel ***,the main challenge is to develop high performance,low cost and chemically stable electrocatalysts to decline the energy barriers and enhance the sluggish kinetics of hydrogen evolution reaction(HER).Herein,a three-dimensional hierarchically ordered macroporous Ru-CoP@NC electrocatalyst(3DOM Ru-CoP@NC)derived from ordered macro-microporous metal-organic frameworks has been prepared using the precursor@template and double-solvent *** prepared 3DOM Ru-CoP@NC catalyst exhibits an overpotential of 15 mV(j=10 mA·cm^(-2))and a reaction Tafel slope of 38 mV·dec^(-1)in alkaline electrolyte,which are superior to commercial Pt@C ***,the overpotential and reaction Tafel slope of this catalyst in acidic media are 45 mV and 50 mV·dec^(-1),*** outstanding HER activities of 3DOM Ru-CoP@NC catalysts are ascribed to the 3D highly interconnectedreticular nanospaces that can increase effective reaction active *** N dope d carbon framework improves the electronic properties and ***,the strong interaction of Ru and CoP nanoparticles also boosts the HER *** results indicate that 3DOM Ru-CoP@NC catalysts with high catalytic activities have a broad application prospect in the future.

关键词： Hydrogen evolution reaction Template method 3D ordered macroporous Ru-CoP@NC

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疗愈写作:抵御创伤的文学实践

内蒙古社会科学 2024年第1期45卷 176-183页

作者：葛红兵李枭银上海大学创意写作中心上海200072

中国文学研究对创伤理论的场外征用有着深刻的现实关怀意味,与此同时,创伤理论仍然存在着一定的“个体缺失”和“实践缺失”。对此,疗愈写作携创意写作关注个体、祛魅创作的学科意识,作为一种指向个体的实践回应即时出场。20世纪以来,... 详细信息

中国文学研究对创伤理论的场外征用有着深刻的现实关怀意味,与此同时,创伤理论仍然存在着一定的“个体缺失”和“实践缺失”。对此,疗愈写作携创意写作关注个体、祛魅创作的学科意识,作为一种指向个体的实践回应即时出场。20世纪以来,以精神分析为代表的心理学说的诞生、西方频发的系列战争以及心理咨询中写作治疗的发展,为疗愈写作的登场提供了不可或缺的理论支撑、实践雏形和专业化的应用情境。对疗愈写作进行本质性的追问后发现,它与传统的文学四要素存在着极大不同。新的四要素“作者”“疗愈师”“世界”以及“文本/作品”构成疗愈写作在作者主体身份、“作者—疗愈师”的主体间性、受疗内容、情境与文本二者的特殊性和公开化四个方面的重要议题。

关键词：疗愈写作创伤创意写作文学实践

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论苏作玉山子的造型特色

苏州工艺美术职业技术学院学报 2024年第1期 83-86页

作者：葛洪不详

苏作玉山子造型雅致,富有江南地域特色,一直是市场上深受大众追捧的艺术精品。文章通过从构图、透视、结构、俏色多视角分析苏作玉山子的造型特色,发现其在构图方面,常根据所选材料的外形围绕主题随形而变,布局受到苏州园林布景的影响;... 详细信息

苏作玉山子造型雅致,富有江南地域特色,一直是市场上深受大众追捧的艺术精品。文章通过从构图、透视、结构、俏色多视角分析苏作玉山子的造型特色,发现其在构图方面,常根据所选材料的外形围绕主题随形而变,布局受到苏州园林布景的影响;在透视方面,流行应用中国传统绘画中的散点透视表现一个完整、立体的空间环境;在结构方面,各类题材的结构与中国山水画中各个形体的表现技法密切相关;在俏色方面,巧妙地将材料表面的各类皮色与主题融合成一体。总之,苏作玉山子的造型特色鲜明,寄托了文人超脱世俗的心境和对内心世界的探索。

关键词：苏作玉山子造型特征构图透视结构俏色

基于网络药理学和分子对接探讨木糖–邻苯三酚结合物对脓毒症相关急性肾损伤的作用机制

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现代药物与临床 2024年第3期39卷 586-594页

作者：谢静岚洪阁刘天军天津中医药大学天津301617 中国医学科学院北京协和医学院生物医学工程研究所天津市生物医学材料重点实验室天津300192

目的通过网络药理学和分子对接技术探究木糖–邻苯三酚结合物(XP)改善脓毒症相关急性肾损伤的潜在靶点,并采用动物实验验证其作用机制。方法通过Swiss Target Prediction和PharmMapper数据库筛选XP的作用靶点,geneCards、DrugBank、OMI... 详细信息

目的通过网络药理学和分子对接技术探究木糖–邻苯三酚结合物(XP)改善脓毒症相关急性肾损伤的潜在靶点,并采用动物实验验证其作用机制。方法通过Swiss Target Prediction和PharmMapper数据库筛选XP的作用靶点,geneCards、DrugBank、OMIM数据库检索脓毒症相关急性肾损伤的疾病靶点,将药物靶点与疾病靶点取交集获得潜在靶点。利用DAVID平台对潜在靶点进行基因本体(GO)、京都基因和基因组百科全书(KEGG)富集分析;采用Cytoscape 3.9.1软件绘制抗氧化剂XP改善脂多糖致脓毒症相关急性肾损伤的蛋白相互作用(PPI)网络图,选取degree值排名前10位的核心靶点和抗氧化剂XP作为受体蛋白和配体小分子,使用Schrödinger软件包进行受体和配体的分子对接,并开展核心靶点相关生物学通路的验证实验。结果共筛选得到XP改善脂多糖致脓毒症相关急性肾损伤的作用靶点111个,其中核心靶点为白蛋白(ALB)、蛋白激酶B1(Akt1)、甘油醛-3-磷酸脱氢酶(GAPDH)、半胱氨酸蛋白水解酶3(CASP3)、酪氨酸激酶C(SRC)、雌激素受体1(ESR1)、90kDa热休克蛋白αA1(HSP90AA1)、V-Ha-Ras肉瘤病毒癌基因同源物(HRAS)、细胞周期素D1(CCND1)、丝裂原活化蛋白激酶1(MAPK1)。GO富集分析筛选出生物过程271条,细胞组成60条,分子功能100条;KEGG富集到生物学通路119条;分子对接结果显示XP与核心靶点均能够较好的结合。实验结果表明,XP可以显著改善脂多糖致脓毒症相关急性肾损伤的肾功能指标升高和肾组织病理损伤,其作用机制与上调肾脏组织中p-磷脂酰肌醇-3-激酶(PI3K)和p-Akt蛋白的表达相关。结论XP可通过激活PI3K/Akt信号通路,减轻脓毒症相关急性肾损伤。

关键词：木糖–邻苯三酚结合物脓毒症相关急性肾损伤网络药理学分子对接磷脂酰肌醇-3-激酶/蛋白激酶B1信号通路