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Physics-informed battery degradation prediction:Forecasting charging curves using one-cycle data

Journal of Energy Chemistry 2025年第2期101卷 825-836页

作者： Aihua Tang Yuchen Xu Jinpeng Tian Xing Shu Quanqing Yu key laboratory of Advanced Manufacturing Technology for Automobile Parts Ministry of Education Chongqing University of Technology Department of Electrical and Electronic Engineering and Research Centre for Grid Modernization The Hong Kong Polytechnic University School of Automotive Engineering Harbin Institute of Technology

Accurately predicting battery degradation is crucial for battery system ***,due to the complexities of aging mechanisms and limitations of historical data,comprehensively indicating battery degradation solely through maximum capacity loss assessment is *** machine learning offers promising solutions,it often overlooks domain knowledge,resulting in reduced accu racy,increased computational burden and decreased ***,this study proposes a method to predict the voltage-capacity（V-Q） curve during battery degradation with limited historical *** process is achieved through two physically interpretable components:a lightweight interpretable physical model and a physics-informed neural *** components incorporate domain knowledge into machine learning to improve V-Q curve prediction performance and enhance *** validation was conducted on 52 batteries of different types under different testing *** proposed method can accurately predict future *** for hundreds of cycles using only one-present-cycle V-Q curve,with root mean square error and mean absolute error basically less than 0.035 Ah and R2basically less than 98.5%.This means that incremental capacity curves can be extracted from the predicted results for a more comprehensive and accurate battery degradation ***,the method can flexibly adjust prediction length and density to cater to the practical needs of long-cycle prediction and data *** study provides a viable method for rapid degradation prediction and is expected to be generalized to in-vehicle implementations.

关键词： Degradation prediction Lightweight interpretable physical model Lithium-ion battery Physics-informed neural network Voltage-capacity curve

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Circadian nutrition:is meal timing an elixir for fatigue?

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Science Bulletin 2025年第3期70卷 309-312页

作者： Zhihui Zhang Lu Yan Jonas T.Treebak Min-Dian Li Department of Cardiovascular Medicine Center for Circadian Metabolism and Cardiovascular DiseaseSouthwest HospitalArmy Medical UniversityChongqing 400038China Ministry of Education(MOE)key laboratory of Geriatric Cardiovascular and Cerebrovascular Disease Chongqing 400038China Novo Nordisk Foundation Center for Basic Metabolic Research Faculty of Health and Medical SciencesUniversity of CopenhagenCopenhagen 2200Denmark

Fatigue is increasingly prevalent in industrialized societies,highlighting an urgent need for effective clinical and lifestyle *** manifests as reduced muscle endurance,strength and a persistent sensation of exhaustio... 详细信息

关键词： fatigue strength sensation

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Approved delivery strategies for biopharmaceuticals

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Chinese Chemical Letters 2025年第2期36卷 69-79页

作者： Makhloufi Zoulikha Zhongjian Chen Jun Wu Wei He School of Pharmacy China Pharmaceutical University Shanghai Skin Disease Hospital Tongji University School of Medicine Department of Geriatric Cardiology Jiangsu Provincial Key Laboratory of Geriatrics The First Affiliated Hospital of Nanjing Medical University

In recent years, biopharmaceuticals have witnessed remarkable advancements, transforming the landscape of therapeutic interventions. Biopharmaceuticals encompassing therapeutics generated through cutting-edge biotechnological methods have shown promising therapeutic outcomes. However, their clinical success hinges significantly on overcoming drug delivery challenges related to stability, intracellular delivery, immunogenicity, and pharmacokinetic properties. Herein, we provide an overview of various marketed macromolecules, including nucleic acids, and immunotherapeutic agents such as cytokines and monoclonal antibodies, as well as other therapeutic peptides/proteins like enzymes, hormones, and coagulation factors. Our primary focus is on elucidating the delivery challenges associated with these macromolecules and highlighting the pivotal role played by drug delivery platforms in the development of currently marketed products, offering valuable insights for both scientific research and the pharmaceutical industry.

关键词： Biopharmaceuticals Drug delivery Monoclonal antibodies Nucleic acids Proteins

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Anisotropy characterization of upper shanghai clays: Shear strength and small-strain stiffness

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Journal of Rock Mechanics and Geotechnical Engineering 2025年第1期17卷 493-508页

作者： Lixin Lan Wenxuan Zhu Guanlin Ye Qi Zhang Tongshuai Yang Department of Civil Engineering State Key Laboratory of Ocean EngineeringShanghai Key Laboratory for Digital Maintenance of Buildings and InfrastructureShanghai Jiao Tong UniversityShanghai200240China Department of Civil Engineering Shanghai Jiao Tong UniversityShanghai200240China The Fourth Construction Co. Ltd.of China Construction Eighth Engineering DivisionQingdao266100China

Comprehensive investigations have been conducted to study the structure and overconsolidation of upper Shanghai clays, i.e. Layers 2–6 clays, typically located at depths of 30–40 m. However, limited information is available on their anisotropy, and even less is known about the correlation between structure, overconsolidation, and anisotropy. In this study, the undrained anisotropy characteristics of shear strength and small-strain shear stiffness in upper Shanghai Layers 2–6 clays were thoroughly assessed using a series of K0-consolidated undrained triaxial compression (TC) and triaxial extension (TE) tests (K0 is the coefficient of lateral earth pressure at rest). The effective stress paths, shear strength, and small-strain shear stiffness from the undrained TC and TE tests demonstrate the anisotropic behaviors in upper Shanghai clays. Analyses of data from upper Shanghai clays and other clays worldwide indicate that the shear strength anisotropy ratio (Ks) converges at 0.8 as the overconsolidation ratio (OCR) and plasticity index (Ip) increase, while the small-strain shear stiffness anisotropy ratio (Re) converges at 1.0. The influence of OCR on Ks and Re is more pronounced than that of Ip and sensitivity (St). Nevertheless, no clear correlation between Ks and Re is observed in upper Shanghai clays.

关键词： Shanghai clays Anisotropy Shear strength Small-strain stiffness

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Self-reporting hypoxia-responsive supramolecular phototheranostic nanomaterials based on AIEgen and azocalixarene

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Science China Chemistry 2025年

作者： Xiao-Wen Han Guo-Ling Zhang Pu Chen Jing Zhang Guo-Gang Shan Chun-Xuan Qi Ben-Zhong Tang Hai-Tao Feng AIE Research Center Shaanxi Key Laboratory of Phytochemistry College of Chemistry and Chemical Engineering Baoji University of Arts and Sciences national & Local United Engineering laboratory for Power Batteries Department of Chemistry Northeast Normal University School of Science and Engineering Shenzhen Institute of Aggregate Science and Technology The Chinese University of Hong KongShenzhen (CUHK-Shenzhen)

Hypoxia is a significant feature in most of solid tumors. Hence, developing hypoxia-responsive phototheranostic system is still a challenge. In this contribution, a supramolecular assembly strategy based on sulfonate-functionalized azocalix[4]arene(SAC4A)and cationic aggregation-induced emission photosensitizer(namely TPA-H) was proposed for hypoxia-responsive bioimaging and photodynamic therapy(PDT). Upon supramolecular complexation of TPA-H and SAC4A through electrostatic interaction,the fluorescence and reactive oxygen species(ROS) generation of TPA-H were largely inhibited. In hypoxic tumors, the azo group of SAC4A can be reduced to aniline derivative and release the included TPA-H to recover its pristine fluorescence and ROS. Interestingly, the free TPA-H undergoes cell membrane-to-mitochondria translocation during cell imaging, achieving a real-time self-reporting PDT system. In vivo tumor imaging and therapy reveal that this as-prepared supramolecular complexes have good biosafety and efficient antitumor activity under hypoxia. Such hypoxia-responsive supramolecular photosensitizer system will enrich image-guided photodynamic therapy.

关键词： Hypoxia is a significant feature in most of solid tumors. Hence, developing hypoxia-responsive phototheranostic system is still a challenge. In this contribution, a supramolecular assembly strategy based on sulfonate-functionalized azocalixarene(SAC4A)and cationic aggregation-induced emission photosensitizer(namely TPA-H) was proposed for hypoxia-responsive bioimaging and photodynamic therapy(PDT). Upon supramolecular complexation of TPA-H and SAC4A through electrostatic interaction,the fluorescence and reactive oxygen species(ROS) generation of TPA-H were largely inhibited. In hypoxic tumors, the azo group of SAC4A can be reduced to aniline derivative and release the included TPA-H to recover its pristine fluorescence and ROS. Interestingly, the free TPA-H undergoes cell membrane-to-mitochondria translocation during cell imaging, achieving a real-time self-reporting PDT system. In vivo tumor imaging and therapy reveal that this as-prepared supramolecular complexes have good biosafety and efficient antitumor activity under hypoxia. Such hypoxia-responsive supramolecular photosensitizer system will enrich image-guided photodynamic therapy.

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Photoswitchable molecular assembly for controlled chloride transport across the lipid membranes

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Science China Chemistry 2025年

作者： Chuantao Wang Kai Ye Zexin Yan Shinan Ma Juejiao Fan Chunyan Bao Shanghai key laboratory of Functional Materials Chemistry School of Chemistry & Molecular Engineering East China University of Science and Technology State key laboratory of Bioreactor Engineering Shanghai Frontiers Science Center of Optogenetic Techniques for Cell MetabolismSchool of Pharmacy East China University of Science and Technology

Inspired by nature, biomimetic photoregulated ion transporters have attracted great interest because of the spatial and temporal control over ion transport, in which photocontrollable anion transport remains a very challenging task. Herein, we demonstrate an anionophore AZC for photoregulating anion transport with a high selectivity for chloride over hydroxide across the lipid membranes. Our strategy is based on a well-designed bidentate iodo-triazole anion receptor equipped with an azobenzene moiety, which recognizes Cl-by C–I halogen bonding and C–H hydrogen bonding and switches its states in the lipid membranes from inactive aggregates to active single molecules through azobenzene photoisomerization, thereby achieving controllable Cl-transport. Compared with trans-AZC, cis-AZC exhibits much higher ion transport activity with an EC50（the effective concentration required for 50% activity） value at 28 nM, which is one of the highest reported activities to date for halogen bonding anionophores. Finally, it allows the modulation of Cl-transport upon reversible photoisomerization of AZC using alternative ultraviolet and visible light irradiation. This work provides a new strategy for designing stimuli-responsive anion transporters and paves the way for potential applications in remotely controlled membrane transport and treatment of related diseases.

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Exploration of evolutionary mechanisms shaping KZFP and retrotransposon interactions

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Science Bulletin 2025年第3期70卷 328-332页

作者： Qian Wu Junqin Xu Jiaxin Zeng Yixuan Wang Peng Yang Shanghai key laboratory of Anesthesiology and Brain Functional Modulation Clinical Research Center for Anesthesiology and Perioperative MedicineTranslational Research Institute of Brain and Brain-Like IntelligenceShanghai Fourth People’s HospitalSchool of Life Sciences and TechnologyTongji UniversityShanghai 200092China Institute for Regenerative Medicine State Key Laboratory of Cardiology and Medical Innovation CenterShanghai East HospitalSchool of Life Sciences and TechnologyTongji UniversityShanghai 200092China

Retrotransposon expansion has profoundly reshaped genomes[1],[2].As crucial defense mechanisms that counteract retrotransposons in humans,members of the Krüppel-associated box(KRAB)zinc finger(ZF)protein(KZFP)family ... 详细信息

关键词： shaped expansion mechanisms

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Green innovation unleashed: Harnessing tungsten-based nanomaterials for catalyzing solar-driven carbon dioxide conversion

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Chinese Chemical Letters 2025年第2期36卷 136-145页

作者： Weidan Meng Yanbo Zhou Yi Zhou State Environmental Protection key laboratory of Environmental Risk Assessment and Control on Chemical Process East China University of Science and Technology national Engineering Research Center of Industrial Wastewater Detoxication and Resource Recovery East China University of Science and Technology Shanghai Institute of Pollution Control and Ecological Security Shanghai Engineering Research Center for Multi-media Environmental Catalysis and Resource Utilization East China University of Science and Technology

Carbon dioxide photocatalytic reduction (CO2-PR) is an efficient method for controlling CO2emissions and generating cleaner energy while mitigating global warming. Tungsten oxides (WxOy) have attracted considerable attention for CO2-PR due to their excellent spectral absorbance. However, comprehensive reviews are lacking on the use of WxOyfor CO2-PR. Therefore, this review provides a detailed summary of t research progress made with WxOy-based catalysts in CO2-PR. It also explains the fundamental principles of CO2-PR and evaluates key performance indicators that affect the activity of WxOy-based photocatalysts,including yield, selectivity, stability, and apparent quantum yield. Additionally, this review explores opportunities for synthesizing high-performance WxOy-based photocatalysts and highlights their potential for the green preparation of C1/C2 products through CO2-PR. These innovative strategies aim to address the challenges and pressures associated with energy and environmental issues, particularly by enhancing artificial photosynthesis efficiency.

关键词： Carbon dioxide photoreduction Mechanism Performance evaluation Selectivity Tungsten-based nanocatalyst

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Classification and diagnosis of cervical lesions based on colposcopy images using deep fully convolutional networks:A man-machine comparison cohort study

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Fundamental Research 2025年第1期5卷 419-428页

作者： Binhua Dong Huifeng Xue Ye Li Ping Li Jiancui Chen Tao Zhang Lihua Chen Diling Pan Peizhong Liu Pengming Sun laboratory of Gynecologic Oncology Department of GynecologyFujian Maternity and Child Health HospitalCollege of Clinical Medicine for Obstetrics&Gynecology and PediatricsFujian Medical UniversityFuzhou 350001China Fujian key laboratory of Women and Children's Critical Diseases Research Fuzhou 350001China Medical Center of Cervical Disease and Colposcopy Fujian Maternity and Child Health HospitalFuzhou 350001China Department of Gynecology and Obstetrics Quanzhou First HospitalFujian Medical UniversityQuanzhou 362000China College of Computer Science and Technology Huaqiao UniversityXiamen 361021China Department of Pathology Fujian Maternity and Child Health HospitalFuzhou 350001China College of Engineering Huaqiao UniversityQuanzhou 362021China School of Medicine Huaqiao UniversityQuanzhou 362021China

Colposcopy is an important technique in the diagnosis of cervical *** development of computer-aided diagnosis methods can mitigate the shortage of colposcopists and improve the accuracy and efficiency of colposcopy examinations in *** study proposes the Dense-U-Net model for colposcopy image *** was a man–machine comparison cohort *** presents a novel artificial intelligence(AI)model for the diagnosis of cervical lesions through colposcopy images using a Dense-U-Net image semantic segmentation *** Dense-U-Net model was created by applying the methods of“deepening the network structure,”“applying dropout”and“max pooling.”Moreover,image-based and population-based diagnostic performances of the AI algorithm and physicians with different levels of specialist experience were *** total,2,475 participants were recruited,and 13,084 colposcopy images were included in this *** diagnostic accuracy of the Dense-U-Net model increased significantly with increasing colposcopy images per *** the number of images in the training set increased,the diagnostic accuracy of the Dense-U-Net model for cervical intraepithelial neoplasm 3 or worse(CIN3+)diagnosis increased(P=0.035).The rate of diagnostic accuracy(0.89 vs 0.85,P<0.001)of CIN3+lesions using the Dense-U-Net model was higher than that of expert colposcopists,and the missed diagnosis(0.06 vs 0.07,P=0.002)and false positive(0.05 vs 0.08,P<0.001)were ***,Dense-U-Net is more accurate in diagnosing the type III cervical transformation zone,which is difficult to diagnose by experts(P<0.001).The Dense-U-Net model also showed higher diagnostic accuracy for CIN3+in an independent test set(P<0.001).To diagnose the same 870 test images,the Dense-U-Net system took 1.76±0.09 min,while the expert,senior,and junior colposcopists took 716.3±49.76,892.1±92.30,and 3034.7±259.51 min,*** study successfully built a reliable,quick,and effective Dense-U-Net model to

关键词： Cervical lesions Dense-U-Net Colposcopic image Lesion segmentation Auxiliary diagnosis

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Metal-backboned polymer:concept,advance and perspective

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Science China Materials 2025年第1期68卷 105-109页

作者： Yifeng Zhang Kaiwen Zeng Huisheng Peng State key laboratory of Molecular Engineering of Polymers Department of Macromolecular ScienceInstitute of Fiber Materials and Devicesand Laboratory of Advanced MaterialsFudan UniversityShanghai 200438China

Materials are generally categorized as three main types of metal,non-metal and organic *** them,metal and organic polymers show opposite advantages and *** instance,a metal exhibits both high mechanical strength and electrical conductivity while both low flexibility and solution processibility;an organic polymer exhibits both high flexibility and solution processibility but with both low mechanical strength and electrical conductivity[1–4].Although a lot of efforts are made to synthesize metal/polymer composite materials to partly maintain advantages of each component[5–7],people have never thought that it is possible to achieve the advantages of both metal and polymer by synthesizing novel material with a single component.

关键词： polymer backbone conductivity

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