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label-free biosensing with singular-phaseenhanced lateral position shift based on atomically thin plasmonic nanomaterials

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light(Science & Applications) 2024年第5期13卷 810-822页

作者： Shaodi Zhu Rodolphe Jaffiol Aurelian Crunteanu Cyrille Vézy Sik-To Chan Wu Yuan ho-Pui ho Shuwen Zeng light Nanomaterials&Nanotechnologies(L2n)CNRS-EMR 7004University of Technology of Troyes10000 TroyesFrance. Department of Biomedical Engineering The Chinese University of Hong KongShatinNew TerritoriesHong KongChina XlIM Research Institute UMR 7252 CNRS/University of Limoges123Avenue Albert ThomasLimogesFrance

Rapid plasmonic biosensing has attracted wide attention in early disease diagnosis and molecular biology ***,it was still challenging for conventional angle-interrogating plasmonic sensors to obtain higher sensitivity without secondary amplifying labels such as plasmonic *** address this issue,we developed a plasmonic biosensor based on the enhanced lateral position shift by phase *** singularity presents as a sudden phase retardation at the dark point of reflection from resonating plasmonic substrate,leading to a giant position shift on reflected ***,for the first time,the atomically thin layer of Ge2Sb2Te5(GST)on silver nanofilm was demonstrated as a novel phase-response-enhancing plasmonic *** GST layer was not only precisely engineered to singularize phase change but also served as a protective layer for active silver *** new configuration has achieved a record-breaking largest position shift of 439.3μm measured in calibration experiments with an ultra-high sensitivity of 1.72×10^(8)nm RIU−1(refractive index unit).The detection limit was determined to be 6.97×10^(−7)RIU with a 0.12μm position ***,a large figure of merit(FOM)of 4.54×10^(11)μm(RIU∙°)^(−1)was evaluated for such position shift interrogation,enabling the labelfree detection of trace amounts of *** targeted biosensing experiments,the optimized sensor has successfully detected small cytokine biomarkers(TNF-αand Il-6)with the lowest concentration of 1×10^(−16)*** two molecules are the key proinflammatory cancer markers in clinical diagnosis,which cannot be directly screened by current clinical *** further validate the selectivity of our sensing systems,we also measured the affinity of integrin binding to arginylglycylaspartic acid(RGD)peptide(a key protein interaction in cell adhesion)with different Mn2+ion concentrations,ranging from 1 nM to 1 mM.

关键词： diagnosis protective silver

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Fish-on-Chips:unveiling neural processing of chemicals in small animals through precise fluidic control

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Neural Regeneration Research 2024年第11期19卷 2351-2353页

作者： Samuel K.H.Sy ho Ko Division of Neurology Department of Medicine and TherapeuticsFaculty of MedicineThe Chinese University of Hong KongShatinNew TerritoriesHong Kong Special Administrative RegionChina li Ka Shing Institute of Health Sciences Faculty of MedicineThe Chinese University of Hong KongShatinNew TerritoriesHong Kong Special Administrative RegionChina Department of Electrical and Electronic Engineering Faculty of EngineeringThe University of Hong KongPok Fu LamHong Kong IslandHong Kong Special Administrative RegionChina Advanced Biomedical Instrumentation Center Hong Kong Science ParkPak Shek KokNew TerritoriesHong Kong Special Administrative RegionChina Margaret K.l.Cheung Research Center for Management of Parkinsonism Faculty of MedicineThe Chinese University of Hong KongShatinNew TerritoriesHong Kong Special Administrative RegionChina lau Tat-chuen Research Center of Brain Degenerative Diseases in Chinese Faculty of MedicineThe Chinese University of Hong KongShatinNew TerritoriesHong Kong Special Administrative RegionChina Gerald Choa Neuroscience Institute The Chinese University of Hong KongShatinNew TerritoriesHong Kong Special Administrative RegionChina

Precise chemical cue presentation alongside advanced brainwide imaging techniques is important to the study of chemosensory processing in ***,the dynamic nature of chemical-carrying media,such as water or air,poses a significant challenge for delivering highly-controlled chemical flow to an animal ***,contact-based cue manipulation and delivery easily shift the position of the animal subject,which is often undesirable for high-quality brain ***,more advanced interfacing tools that align with the diverse range of body part sizes of an animal,ranging from micrometer-scale neurons to meter-long limbs,are much *** is particularly crucial when dealing with dimensions that are beyond the reach of conventional experimental tools.

关键词： dealing precise sizes

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基于脂质组学研究胡椒碱对肥胖大鼠脂代谢基因昼夜节律的影响

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食品科学 2024年第9期45卷 124-134页

作者：张玮芸 ho Chi-Tang 吕慕雯华南农业大学食品学院广东广州510642 罗格斯大学食品科学系美国新布朗斯维克08901

采用高脂饮食(high fat diet,HFD)诱导的肥胖大鼠模型,探究口服胡椒碱(1-piperoylpiperidine,PIP)对代谢紊乱引发生物钟异常的调控作用。结果表明,PIP减轻了HFD诱导的肝脏损伤,降低了血脂水平,缓解了肝脏生物钟和脂代谢基因的昼夜节律紊... 详细信息

采用高脂饮食(high fat diet,HFD)诱导的肥胖大鼠模型,探究口服胡椒碱(1-piperoylpiperidine,PIP)对代谢紊乱引发生物钟异常的调控作用。结果表明,PIP减轻了HFD诱导的肝脏损伤,降低了血脂水平,缓解了肝脏生物钟和脂代谢基因的昼夜节律紊乱,恢复了与生物钟密切相关的脂质分子溶血磷脂酸(16:0_18:1)、双甲基磷脂酸(38:8e)、磷脂酰乙醇胺(16:0p_22:6)和甲基磷胆碱(32:4e)的表达水平变化。本研究结果可为PIP调节肝脏脂代谢昼夜节律提供一定的理论依据。

关键词：胡椒碱肥胖大鼠脂质代谢昼夜节律

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An oxygenating colloidal bioink for the engineering of biomimetic tissue constructs

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Bio-Design and Manufacturing 2024年第3期7卷 240-261页

作者： Seol-Ha Jeong Jarno Hiemstra Patrick V.Blokzijl Rebeca Damian-Ferrara Danilo Martins dos Santos Jéssica H.l.da Fonseca Min-ho Kang Jihyun Kim Dilara Yilmaz-Aykut Mei l.l.Cham-Pérez Jeroen leijten Su Ryon Shin Division of Engineering in Medicine Department of MedicineBrigham and Women’s HospitalHarvard Medical SchoolBostonMA 02139USA leijten lab Department of Developmental BioEngineeringFaculty of Science and TechnologyTechnical Medical CentreUniversity of TwenteDrienerlolaan 57522 NB EnschedeThe Netherlands Nanotechnology National laboratory for Agriculture(lNNA) Embrapa InstrumentaçãoSao CarlosSao Paulo 13560-970Brazil Department of Biomedical-Chemical Engineering The Catholic University of Korea43 Jibong-roBucheon-siGyeonggi-do 14662Republic of Korea Department of Biotechnology The Catholic University of Korea43 Jibong-roBucheon-siGyeonggi-do 14662Republic of Korea

Ensuring a sufficient oxygen supply is pivotal for the success of bioprinting applications since it fosters tissue integration and natural *** in oxygen concentration among diverse tissues necessitates the precise recreation of tissue-specific oxygen levels in imprinted constructs to support the survival of targeted *** oxygen-releasing biomaterials,such as oxygen-generating microparticles(OMPs),have shown promise for enhancing the oxygen supply of microenvironments in injured tissues,whether this approach is scalable for large tissues and whether tissue-specific bioinks with varying OMP concentrations remain printable remain *** study addresses this critical gap by introducing an innovative class of engineered oxygenated bioinks that combine colloidal-based microgels with *** report that incorporating nanosized calcium peroxide(nCaO_(2))and manganese oxide nanosheets(nMnO_(2))into hydrophobic polymeric microparticles enables precise modulation of oxygen release while controlling hydrogen peroxide ***,the fabrication of oxygenating and cytocompatible colloidal gels is achieved using an aqueous two-phase *** study thoroughly evaluates the fundamental characteristics of the resulting bioink,including its rheological behaviors,printability,shape fidelity,mechanical properties,and oxygen release ***,this study demonstrates the macroscopic scalability and cytocompatibility of printed constructs produced via cell-laden oxygenating colloidal *** showcasing the effectiveness of extrusion-based bioprinting,this study underscores how it can be used to fabricate biomimetic tissues,indicating its potential for new *** findings presented here advance the bioprinting field by achieving scalability with both high cell viability and the possibility of mimicking specifically oxygenated *** work thereby offers a promising avenue for the development of functional tissues with e

关键词： 3D bioprinting Bioink Colloidal gels Extrusion printing Oxygen-generating microparticle

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针灸治疗急性腰痛：“只用远程取穴”与“局部取穴为主配合远程取穴”之疗效比较随即对照研究（英文）

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Journal of Traditional Chinese Medical Sciences 2024年第3期11卷 351-356页

作者： Singleung Chan Shukyan lam Sinyin ho Wanyi Au Poyi lin Waiming Chan Taking Yu Shungchi Tam Bacon F.l.Ng linda l.D.Zhong 博爱医院香港浸会大学中医诊所暨教研中心(九龙城区) 中国香港香港医院管理局中医科香港浸会大学中医学院南洋理工大学生命科学学院

目的：本研究旨在比较“只用远程取穴”与“局部取穴为主配合远程取穴”治疗急性腰痛之疗效。方法：选取102位18-65岁、急性腰痛发病少于6周之符合标准患者，采用随机数字表法将患者按一比一的比例随机分为“只用远程取穴组”与“局部... 详细信息

目的：本研究旨在比较“只用远程取穴”与“局部取穴为主配合远程取穴”治疗急性腰痛之疗效。方法：选取102位18-65岁、急性腰痛发病少于6周之符合标准患者，采用随机数字表法将患者按一比一的比例随机分为“只用远程取穴组”与“局部取穴为主配合远程取穴组”。在4周治疗期间，“只用远程取穴组”将接受每周2次只用远程取穴(后溪[SI3]及腰痛穴[EX-UE7])之针灸治疗，而“局部取穴为主配合远程取穴组”则将接受局部取穴为主配合远程取穴(肾俞[Bl 23]及大肠俞[Bl 25]及委中[Bl 40])之针灸治疗。两组均将于每次治疗前及随访期(完成第8次治疗后1个月及3个月时随访)接受评估。主要疗效指针为以视觉疼痛量表评估疼痛强度之变化；次要疗效指标为以欧氏失能量表评估失能程度。讨论：本研究比较“只用远程取穴”与“局部取穴为主配合远程取穴”之疗效以探索“只用远程取穴”治疗急性腰痛之可行性。

关键词：针灸急性腰痛运动针法远程取穴局部取穴

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Effect of organic mineral supplementation in reducing oxidative stress in holstein calves during short‑term heat stress and recovery conditions

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Journal of Animal Science and Biotechnology 2024年第2期15卷 812-825页

作者： A-Rang Son Seon-ho Kim Mahfuzul Islam Michelle Miguel Ye Pyae Naing Sang-Suk lee Ruminant Nutrition and Anaerobe laboratory Department of Animal Science and TechnologySunchon National UniversitySuncheon 57922Korea Department of Microbiology and Parasitology Sher-e-Bangla Agricultural UniversityDhaka 1207Bangladesh

Background This study investigated the effects of inorganic and organic minerals on physiological responses,oxidative stress reduction,and rumen microbiota in holstein bull calves(123.81±9.76 kg;5 months old)during short-term heat stress(HS)and recovery *** holstein calves were randomly assigned to four treatment groups:no mineral supplementation(Con),inorganic minerals(IM),organic minerals(OM),and high-concentration organic minerals(hoM)and two thermal environments(HS and recovery)using 4×2 factorial arrangement in a crossover design of four periods of 35 *** were maintained in a temperature-controlled *** experimental period consisted of 14 d of HS,14 d of recovery condititon,and a 7-d washing *** Body temperature and respiration rate were higher in HS than in the recovery conditions(Plenium concentration in serum was high in the hoM-supplemented calves in both HS(90.38μg/dl)and recovery periods(102.00μg/dl)(Pl was 20.26 ng/ml in the hoM group,which was 5.60 ng/ml lower than in the control group(Pl antioxidant status was the highest in the OM group(2.71 mmol Trolox equivalent/l),followed by the hoM group during HS,whereas it was highest in the hoM group(2.58 mmol Trolox equivalent/l)during the recovery period(Plasma malondialdehyde and HSP70 levels were decreased by hoM supplementation during the HS and recovery periods,whereas SOD and GPX levels were not significantly affected(P>0.05).The principal coordinate analysis represented that the overall rumen microbiota was not influenced by mineral supplementation;however,temperature-induced microbial structure shifts were indicated(PERMANOVA:Plum level,Firmicutes and Actinobacteria decreased,whereas Fibrobacteres,Spirochaetes,and Tenericutes increased(Ple Christensenella was higher in recovery conditions(P<0.05).Conc

关键词： Antioxidant status Heat stress holstein bull calves Organic mineral supplementation Oxidative stress

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Unveiling a novel metal-to-metal transition in luH_(2):Critically challenging superconductivity claims in lutetium hydrides

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Matter and Radiation at Extremes 2024年第3期9卷 65-73页

作者： Dong Wang Ningning Wang Caoshun Zhang Chunsheng Xia Weicheng Guo Xia Yin Kejun Bu Takeshi Nakagawa Jianbo Zhang Federico Gorelli Philip Dalladay-Simpson Thomas Meier Xujie lü liling Sun Jinguang Cheng Qiaoshi Zeng Yang Ding ho-kwang Mao Center for High-Pressure Science and Technology Advanced Research Beijing 100094China Beijing National laboratory for Condensed Matter Physics and Institute of Physics Chinese Academy of SciencesBeijing 100190China Shanghai Key laboratory of Material Frontiers Research in Extreme Environments(MFree) Shanghai Advanced Research in Physical Sciences(SHARPS)Shanghai 201203China

Following the recent report by Dasenbrock-Gammon et al.[Nature 615,244–250(2023)]of near-ambient superconductivity in nitrogendoped lutetium trihydride(luH_(3-δ)N_(ε)),significant debate has emerged surrounding the composition and interpretation of the observed sharp resistance ***,we meticulously revisit these claims through comprehensive characterization and *** definitively identify the reported material as lutetium dihydride(luH_(2)),resolving the ambiguity surrounding its *** similar conditions(270–295 K and 1–2 GPa),we replicate the reported sharp decrease in electrical resistance with a 30%success rate,aligning with the observations by Dasenbrock-Gammon et ***,our extensive investigations reveal this phenomenon to be a novel pressure-induced metal-to-metal transition intrinsic to luH_(2),distinct from ***,nitrogen doping exerts minimal impact on this *** work not only elucidates the fundamental properties of luH_(2)andluH_(3),but also critically challenges the notion of superconductivity in these lutetium hydride *** findings pave the way for future research on lutetium hydride systems,while emphasizing the crucial importance of rigorous verification in claims of ambient-temperature superconductivity.

关键词： resistance hydride superconductivity

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Safer solid-state lithium metal batteries:Mechanisms and strategies

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InfoMat 2024年第2期6卷 1-27页

作者： Shi-Jie Yang Jiang-Kui Hu Feng-Ni Jiang hong Yuan ho Seok Park Jia-Qi Huang School of Materials Science&Engineering Beijing Institute of TechnologyBeijingthe People's Republic of China Advanced Research Institute of Multidisciplinary Science Beijing Institute of TechnologyBeijingthe People's Republic of China College of Chemical Engineering and Technology Taiyuan University of TechnologyTaiyuanShanxithe People's Republic of China Beijing Key laboratory of Green Chemical Reaction Engineering and Technology Department of Chemical EngineeringTsinghua UniversityBeijingthe People's Republic of China Center for Next-Generation Energy Materials and School of Chemical Engineering Sungkyunkwan UniversitySuwonRepublic of Korea

Solid-state batteries that employ solid-state electrolytes(SSEs)to replace routine liquid electrolytes are considered to be one of the most promising solutions for achieving high-safety lithium metal *** with high mechanical modulus,thermal stability,and non-flammability can not only inhibit the growth of lithium dendrites but also enhance the safety of lithium metal ***,several internal materials/electrodes-related thermal hazards demonstrated by recent works show that solid-state lithium metal batteries(SSlMBs)are not ***,understanding the potential thermal hazards of SSlMBs is critical for their more secure and widespread *** this contribution,we provide a comprehensive overview of the thermal failure mechanism of SSlMBs from materials to ***,strategies to improve the thermal safety performance of SSlMBs are included from the view of material enhancement,battery design,and external ***,the future directions are further *** hope that this work can shed bright insights into the path of constructing energy storage devices with high energy density and safety.

关键词： lithium metal batteries safety improvements solid-state batteries thermal failures thermal runaway

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RSPSSl:A novel high-fidelity Raman spectral preprocessing scheme to enhance biomedical applications and chemical resolution visualization

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light(Science & Applications) 2024年第2期13卷 366-386页

作者： Jiaqi Hu Gina Jinna Chen Chenlong Xue Pei liang Yanqun Xiang Chuanlun Zhang Xiaokeng Chi Guoying liu Yanfang Ye Dongyu Cui De Zhang Xiaojun yu hong Dang Wen Zhang Junfan Chen Quan Tang Penglai Guo ho-Pui ho Yuchao li longqing Cong Perry Ping Shum State Key laboratory of Optical Fiber and Cable Manufacture Technology Guangdong Key Laboratory of Integrated Optoelectronics IntellisenseDepartment of EEESouthern University of Science and TechnologyShenzhen 518055China College of Optical and Electronic Technology China Jiliang UniversityHangzhou 310018China Department of Nasopharyngeal Carcinoma Sun Yat-sen University Cancer CenterState Key Laboratory of Oncology in South ChinaCollaborative Innovation Center for Cancer MedicineGuangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and TherapyGuangzhou 510060China Department of Ocean Science and Engineering Southern University of Science and TechnologyShenzhen 518055China Department of Nephrology Chaozhou People’s HospitalChaozhou 521011China Clinical Research Design Division Sun Yatsen Memorial HospitalGuangzhouGuangdong 510120China School of Automation Northwestern Polytechnical UniversityXi’anShaanxi 710072China Department of Biomedical Engineering The Chinese University of Hong KongHong KongChina Guangdong Provincial Key laboratory of Nanophotonic Manipulation Institute of NanophotonicsJinan UniversityGuangzhou 511443China

Raman spectroscopy has tremendous potential for material analysis with its molecular fingerprinting capability in many branches of science and *** is also an emerging omics technique for metabolic profiling to shape precision ***,precisely attributing vibration peaks coupled with specific environmental,instrumental,and specimen noise is *** Raman spectral preprocessing to remove statistical bias noise and sample-related errors should provide a powerful tool for valuable information ***,we propose a novel Raman spectral preprocessing scheme based on self-supervised learning(RSPSSl)with high capacity and spectral *** can preprocess arbitrary Raman spectra without further training at a speed of~1900 spectra per second without human *** experimental data preprocessing trial demonstrated its excellent capacity and signal fidelity with an 88%reduction in root mean square error and a 60%reduction in infinite norm(l__(∞))compared to established *** this advantage,it remarkably enhanced various biomedical applications with a 400%accuracy elevation(ΔAUC)in cancer diagnosis,an average 38%(few-shot)and 242%accuracy improvement in paraquat concentration prediction,and unsealed the chemical resolution of biomedical hyperspectral images,especially in the spectral fingerprint *** precisely preprocessed various Raman spectra from different spectroscopy devices,laboratories,and diverse *** scheme will enable biomedical mechanism screening with the label-free volumetric molecular imaging tool on organism and disease metabolomics profiling with a scenario of high throughput,cross-device,various analyte complexity,and diverse applications.

关键词： spectral scheme resolution

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The mediatory role of water quality on the association between extreme precipitation events and infectious diarrhea in the Yangtze River Basin,China

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Fundamental Research 2024年第3期4卷 495-504页

作者： Junfeng Yu liang Zhao Xin-Zhong liang Hung Chak ho Masahiro Hashizume Cunrui Huang School of Public Health Sun Yat-sen UniversityGuangzhou 510080China The State Key laboratory of Numerical Modeling for Atmospheric Sciences and Geophysical Fluid Dynamics(lASG) Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing 100029China Department of Atmospheric and Oceanic Science University of MarylandCollege ParkMD 20740USA Department of Public and International Affairs City University of Hong KongHong Kong 999077China Department of Global Health Policy Graduate School of MedicineThe University of TokyoTokyo 113-0033Japan Vanke School of Public Health Tsinghua UniversityBeijing 100084China Institute of Healthy China Tsinghua UniversityBeijing 100084China

Extreme precipitation is exacerbating the burden of infectious diarrhea in the context of climate change,it is necessary to identify the critical and easy-to-intervene intermediate factors for public health *** quality may be the most important mediator,while relevant empirical evidence is *** study aimed to examine the role of water quality in the process of infectious diarrhea caused by extreme *** infectious diarrhea cases,meteorological factors and water quality data in Yangtze River Basin in China between October 29,2007 to February 19,2017 were ***-stage statistical models were used to estimate city-specific extreme precipitation,water quality and infectious diarrhea relationships that were pooled to derive regional estimates.A causal mediation analysis was used to assess the mediation effect of water *** Yangtze River Basin,extreme precipitation events had a significant impact on infectious diarrhea(Incidence Rate Ratios[IRR]:1.027,95%Confidence Interval[CI]:1.013~1.041).After extreme precipitation events,the dissolved oxygen(DO)in surface water decreased(-0.123 mg/l,95%CI:-0.159 mg/l~-0.086 mg/l),while the un-ionized ammonia(NH(3)-N)increased(0.004 mg/l,95%CI:0.001 mg/l~0.006 mg/l).The combined overall effect of DO and NH(3)-N on infectious diarrhea showed that both low and high concentrations were associated with an increased risk of infectious *** causal mediation analysis showed that the mediation proportion of the two water quality indexes(DO and NH(3)-N)is 70.54%(Plth effects of extreme precipitation,in contrast to current population-oriented health strategies,those that take into account more direct and easy-to-intervene water quality indicators should be encouraged by future policies.

关键词： Extreme precipitation Infectious diarrhea Water quality Dissolved oxygen Un-ionized ammonia Mediation analysis

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