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A tribo-chemical view on astringency of plant-based food substances

Friction 2024年第7期12卷 1392-1407页

作者： samuel s.gamaniel Paloma s.DUEÑAs ROBLEs Hans TROMP Els H.A.de HOOG sissi de BEER Emile van der HEIDE Laboratory for surface Technology and Tribology Faculty of Engineering TechnologyUniversity of TwenteEnschede 7522 LWthe Netherlands NIZO Food Research B.V. Ede6710 BAthe Netherlands Department of Molecules and Materials MEsA+Institute for Nanotechnology University of TwenteEnschede 7500 AEthe Netherlands

Consumption of plant-based food products having high composition of polyphenols leads to the sensation of *** sliding oral surfaces,friction is an essential property during the oral perception of roughness and dryness which are attributes associated with *** factors including the chemical composition of interacting layers,structure and operation of interfaces have an effect on the astringency development *** manner of interactions occurring at oral interfaces suggest there is a system dependence of astringency and highlights the importance of adopting a tribosystems *** measurement techniques have shown an existing relationship between salivary protein-polyphenol interaction and an astringent ***,the tribo-chemistry involved in this multifaceted sensation remains largely unexplored in a comprehensive *** this review the underlying tribo-chemical processes useful in understanding the mechanism of astringency are highlighted and discussed considering current techniques employed to investigate astringency *** of lubrication on oral surfaces owing to the tribo-chemical interactions involving saliva and astringent plant proteins requires subsequent deformations of oral tissues which are significant enough to induce strains at mechanoreceptor locations,leading to the sensation of *** is proposed that micro-scale contact modelling on the interaction of food particles/aggregates,boundary layers and oral surfaces shows potential in addressing the knowledge gap between tribo-chemical measurement techniques and panel tests,making it possible to attain a predictor for astringency.

关键词： oral lubrication astringency tribo-chemistry tribology

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single-atom Pt on carbon nanotubes for selective electrocatalysis

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Carbon Energy 2024年第1期6卷 63-71页

作者： samuel s.Hardisty Xiaoqian Lin Anthony R.J.Kucernak David Zitoun Department of Chemistry Bar Ilan Institute of Nanotechnology and Advanced Materials(BINA)Bar Ilan UniversityRamat GanIsrael Department of Chemistry Molecular Science Research HubImperial College LondonLondonUK

Utilizing supported single atoms as catalysts presents an opportunity to reduce the usage of critical raw materials such as platinum,which are essential for electrochemical reactions such as hydrogen oxidation reaction(HOR).Herein,we describe the synthesis of a Pt single electrocatalyst inside single-walled carbon nanotubes(sWCNTs)via a redox *** via electron microscopy,X-ray photoelectron microscopy,and X-ray absorption spectroscopy show the single-atom nature of the *** electrochemical behavior of the sample to hydrogen and oxygen was investigated using the advanced floating electrode technique,which minimizes mass transport limitations and gives a thorough insight into the activity of the *** single-atom samples showed higher HOR activity than state-of-the-art 30%Pt/C while almost no oxygen reduction reaction activity in the proton exchange membrane fuel cell operating *** selective activity toward HOR arose as the main fingerprint of the catalyst confinement in the sWCNTs.

关键词： confinement electrocatalysis hydrogen platinum single atom catalysts

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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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soluble p75 neurotrophic receptor as a reliable biomarker in neurodegenerative diseases: what is the evidence?

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Neural Regeneration Research 2024年第3期19卷 536-541页

作者： Georges Jourdi samuel Fleury Imane Boukhatem Marie Lordkipanidzé Research Center Montreal Heart InstituteMontrealQCCanada Faculty of Pharmacy Universitéde MontréalMontrealQCCanada UniversitéParis Cité INSERMInnovative Therapies in HaemostasisParisFrance service d’Hématologie Biologique AP-HPHôpital LariboisièreParisFrance

Neurodegenerative diseases are often misdiagnosed,especially when the diagnosis is based solely on clinical *** p75 neurotrophic receptor(p75^(NTR))has been studied as an index of sensory and motor nerve development and *** cleavable extracellular domain(ECD)is readily detectable in various biological fluids including plasma,serum and *** is evidence for increased p75NTR ECD levels in neurodegenerative diseases such as Alzheimer’s disease,amyotrophic lateral sclerosis,age-related dementia,schizophrenia,and diabetic *** p75^(NTR) ECD could be used as a biomarker for diagnosis and/or prognosis in these disorders,and whether it could potentially lead to the development of targeted therapies,remains an open *** this review,we present and discuss published studies that have evaluated the relevance of this emerging biomarker in the context of various neurodegenerative *** also highlight areas that require further investigation to better understand the role of p75^(NTR) ECD in the clinical diagnosis and management of neurodegenerative disorders.

关键词： Alzheimer’s disease amyotrophic lateral sclerosis biomarker dementia diabetic neuropathy nerve growth factor receptor(NGFR) neurodegeneration p75^(NTR) schizophrenia

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Cost effectiveness of nonpharmacological prevention programs for diabetes:A systematic review of trial-based studies

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Chronic Diseases and Translational Medicine 2024年第1期10卷 12-21页

作者： Yongyi Xiong Zhaohua Huo samuel Y.s.Wong Benjamin H.K.Yip Jockey Club school of Public Health and Primary Care Prince of Wales HospitalThe Chinese University of Hong KongShatinHong KongChina

Trial-based economic value of prevention programs for diabetes is *** aimed to review the cost-effectiveness of nonpharmacological interventions to prevent type-2 diabetes mellitus(T2DM)for high-risk *** electronic databases were searched up to March *** assessing both the cost and health outcomes of nonpharmacological interventions for people at high-risk of T2DM were *** quality of the study was assessed by the Consolidated Health Economic Evaluation Reporting standards 2022 *** primary outcome for synthesis was incremental cost-effectiveness ratios(ICER)for quality-adjusted life years(QALYs),and costs were standardized in 2022 Us *** synthesis was performed,considering different types and delivery methods of *** studies included five based on the Us diabetes prevention program(DPP),six on non-DPP-based lifestyle interventions,four on health education,and one on screening plus lifestyle *** with usual care,lifestyle interventions showed higher potential of cost-effectiveness than educational *** lifestyle interventions,DPP-based programs were less cost-effective(median of ICERs:$27,077/QALY)than non-DPP-based programs(median of ICERs:$1395/QALY)from healthcare perspectives,but with larger decreases in diabetes ***,the cost-effectiveness of interventions was more possibly realized through the combination of different delivery *** interventions to prevent T2DM in high-risk populations are both cost-effective and feasible in various ***,economic evidence from low-and middle-income countries is still lacking,and interventions delivered by trained laypersons and combined with peer support sessions or mobile technologies could be potentially a cost-effective solution in such settings with limited resources.

关键词： economic evaluation nonpharmacological interventions pre-diabetes prevention

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Chatbots:a critical look into the future of the academia

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International Journal of Agricultural and Biological Engineering 2024年第2期17卷 287-288页

作者： samuel Ariyo Okaiyeto Arun s.Mujumdar Parag Prakash sutar Wei Liu Junwen Bai Hongwei Xiao College of Engineering China Agricultural UniversityBeijing 100083China Department of Bioresource Engineering McGill UniversitySte.Anne de BellevueQuebecCanada Department of Food Process Engineering National Institute of Technology RourkelaRourkela 769008India school of Artificial Intelligence Beijing University of Posts and TelecommunicationsBeijing 100876China school of Food and Biological Engineering Jiangsu UniversityZhenjiang 212013China

Like every other societal domain,science faces yet another reckoning caused by a bot called ChatGPT(Chat Generative Pre-Trained Transformer).ChatGPT was introduced in November 2022 to produce messages that seem like they were written by humans and are *** the release of the latest version of ChatGPT called GPT-4,and other similar models such as Google Bard,Chatsonic,Collosal Chat,these chatbots combine several(about 175 billion)neural networks pre-trained on large Language Models(LLMs),allowing them to respond to user promptings just like ***-4 for example can admit its mistakes and confront false assumptions thanks to the dialogue style,which also enables it to write essays and to keep track of the context of a discussion while it is ***,users may be deceived by the human-like text structure of the AI models to believe that it came from a human origin[1].These chatbot models could be better,even though they generate text with a high level of ***,they produce inappropriate or wrong responses,resulting in faulty inferences or ethical *** article will discuss some fundamental strengths and weaknesses of this Artificial intelligence(AI)system concerning scientific research.

关键词： ChatGPT AI generative models academia ethical and moral restraints

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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 University school of Civil and Architecture Engineering Xi'an Technological University Department of Mechanical Engineering University of California at Berkeley

To promote charge transfer and separation for efficient photocatalysis,a direct Z-scheme heterostructure was constructed by coupling polymeric carbon nitride（PCN） and ***,the obtained PCN/WO3Z-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 WO3contents and reaction conditions,the obtained PCN/WO3heterostructure 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 WO3mainly 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/WO3Z-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

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Exploring the effects of taurolidine on tumor weight and microvessel density in a murine model of osteosarcoma

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Oncology Research 2024年第7期32卷 1163-1172页

作者： LIsANNE K.A.NEIJENHUIs LEUTA L.NAUMANN sONIA A.M.FERKEL samuel J.s.RUBIN sTEPHAN ROGALLA Division of Gastroenterology and Hepatology Department of MedicineSchool of MedicineStanford UniversityStanford94305USA Department of surgery Leiden University Medical CenterLeiden2333 ZAThe Netherlands Centre for Human Drug Research Leiden2333 CLThe Netherlands Department of General VisceralVascular and Thoracic SurgeryCharite University Medicine BerlinBerlin10117Germany

Background:Osteosarcoma is the most common malignant primary bone *** prognosis for patients with disseminated disease remains very poor despite recent advancements in ***,current treatment regimens bear a signiﬁcant risk of serious side ***,there is an unmet clinical need for effective therapies with improved safety proﬁ*** is an antibacterial agent that has been shown to induce cell death in different types of cancer cell ***:In this study,we examined both the antineoplastic and antiangiogenic effects of taurolidine in animal models of osteosarcoma.K7M2 murine osteosarcoma cells were injected,both intramuscular and intraperitoneal,into 60 BALB/c mice on day *** were then randomized to receive treatment with taurolidine 2%(800 mg/kg),taurolidine 1%(400 mg/kg),or NaCl 0.9%control for seven days by intravenous or intraperitoneal ***:After 35 days,mice were euthanized,and the tumors were harvested for *** mice were excluded from the analysis due to *** weight was signiﬁcantly lower in the 2%taurolidine intraperitoneal treatment group from day 9 to 21,consistent with elevated mortality in this *** tumor weight was signiﬁcantly lower in the 1%(p=0.003)and 2%(p=0.006)intraperitoneal taurolidine treatment groups compared to the *** antineoplastic effects were observed on intramuscular tumors or for intravenous administration of *** were no signiﬁcant differences in microvessel density or mitotic rate between treatment *** body weight and elevated mortality in the 2%taurolidine intraperitoneal group suggest that the lower 1%dose is ***:In conclusion,there is no evidence of antiangiogenic activity,and the antitumor effects of taurolidine on osteosarcoma observed in this study are ***,its toxic proﬁle grants further *** these observations,further research is necessary to

关键词： Osteosarcoma Taurolidine Cancer treatment Chemotherapy Murine models

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small molecules to target tau amyloid aggregation

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Neural Regeneration Research 2024年第3期19卷 509-511页

作者： Zoe Manglano-Artuñedo samuel Peña-Díaz salvador Ventura Institut de Biotecnologia i Biomedicina Universitat Autònoma de BarcelonaBellaterraSpain

Protein aggregation has been linked with many neurodegenerative diseases,such as Alzheimer’s disease(AD)or Parkinson’s *** belongs to a group of heterogeneous and incurable neurodegenerative disorders collectively known as *** comprise frontotemporal dementia,Pick’s disease,or corticobasal degeneration,among *** symptomatology varies with the specific tau protein variant involved and the affected brain region or cell ***,they share a common neuropathological hallmark-the formation of proteinaceous deposits named neurofibrillary *** tangles,primarily composed of aggregated tau(Zhang et al.,2022),disrupt normal neuronal functions,leading to cell death and cognitive decline.

关键词： tau degeneration aggregation

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Imaging mass spectrometry: a molecular microscope for studying the role of lipids in Parkinson's disease

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Neural Regeneration Research 2024年第6期19卷 1179-1180页

作者： Vinata Vedam-Mai Jacob M.samuel Boone M.Prentice Department of Neurology University of Florida Department of Chemistry University of Florida

Parkinson’s disease–A lipidopathy? The histopathological hallmark of Parkinson’s disease(PD) and dementia with Lewy bodies are inclusions enriched in α-synuclein(α-syn), known as Lewy bodies, which are not only composed of proteins, but also a core of lipid species. PD has been thus far principally thought of as a “proteinopathy” caused by the misfolding of α-syn. However,

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