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prediction of impedance responses of protonic ceramic cells using artificial neural network tuned with the distribution of relaxation times

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Journal of Energy Chemistry 2023年第3期78卷 582-588,I0016页

作者： Xuhao Liu Zilin Yan Junwei Wu Jake Huang Yifeng Zheng neal psullivan Ryan O'Hayre Zheng Zhong Zehua pan School of Science Harbin Institute of TechnologyShenzhen 518055GuangdongChina School of Materials Engineering Harbin Institute of TechnologyShenzhen 518055GuangdongChina Department of Metallurgical and Materials Engineering Colorado School of Mines1500 Illinois St.Golden 80401ColoradoUSA College of Materials Science and Engineering Nanjing Tech UniversityNo.30 Puzhu Road(S)Nanjing 211816JiangsuChina Department of Mechanical Engineering Colorado School of Mines1500 Illinois St.Golden 80401ColoradoUSA

A deep-learning-based framework is proposed to predict the impedance response and underlying electrochemical behavior of the reversible protonic ceramic cell(pCC) across a wide variety of different operating *** impedance spectra(EIS) of pCCs were first acquired under a variety of opera ting conditions to provide a dataset containing 36 sets of EIS spectra for the *** artificial neural network(ANN) was then trained to model the relationship between the cell operating condition and EIS ***,ANN model-predicted EIS spectra were analyzed by the distribution of relaxation times(DRT) and compared to DRT spectra obtained from the experimental EIS data,enabling an assessment of the accumulative errors from the predicted EIS data vs the predicted *** show that in certain cases,although the R^(2)of the predicted EIS curve may be> 0.98,the R^(2)of the predicted DRT may be as low as~*** can lead to an inaccurate ANN prediction of the underlying time-resolved electrochemical response,although the apparent accuracy as evaluated from the EIS prediction may seem *** adjustment of the parameters of the ANN framework,the average R^(2)of the DRTs derived from the predicted EIS can be improved to ***,we demonstrate that a properly tuned ANN model can be used as an effective tool to predict not only the EIS,but also the DRT of complex electrochemical systems.

关键词： protonic ceramic fuel cell/electrolysis cell Electrochemical impedance spectroscopy Distribution of relaxation times Artiﬁcial neural network

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质子导体固体氧化物电解池(pCEC)电解技术的性能研究

质子导体固体氧化物电解池(PCEC)电解技术的性能研究

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第十四届中国包头·稀土产业论坛、中国稀土学会2022学术年会

作者：潘泽华仲政 Ryan O'Hayre neal p.sullivan

利用固体氧化物电解池（SOEC）电解技术将HO（和CO）转化为可用燃料,如H（或CO,CH）是一种很有前景的、具有成本效益的过剩可再生能源电力储存方法（图1）。在本报告中,我们展示了利用大面积质子导体固体氧化物电解池（pCEC,有效面积=5c... 详细信息

利用固体氧化物电解池（SOEC）电解技术将HO（和CO）转化为可用燃料,如H（或CO,CH）是一种很有前景的、具有成本效益的过剩可再生能源电力储存方法（图1）。在本报告中,我们展示了利用大面积质子导体固体氧化物电解池（pCEC,有效面积=5cm）所构成的单电解池电堆（由一片pCEC和两个短板构成）进行电解HO和共电解CO-HO并直接原位制取CH的性能表现。在电解HO模式下,在450℃、电解电流为–1Acm的情况下,此电解池的电压约为1.75V,产氢流量约为2.5mL mincm,对应的法拉第效率约为36%。在共电解CO-HO模式下,在450℃、电解电流为–1Acm的情况下,所施加电压约为1.65V,CH产率（CH产量/CO输入量）达到34.6%,产CH流量约为0.13mLmincm,对应的法拉第效率约为30%。此外,在高温、低氢碳比运行条件下,与CO-H热化学转化相比,CO-HO电化学共转化的CH产率比CO-H热化学的更高,表明可能有电化学促进催化现象的存在。若在燃料电极同时通入H,CH产率可提升至70%以上。最后,技术经济分析揭示了可以降低CH生产的平准化成本的运行条件。从系统级的角度来看,本项研究所使用的单电解池电堆的良好性能展示了pCEC在实际应用中的可能性。

关键词：质子导体固体氧化物电解池电解水共电解水-二氧化碳法拉第效率

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Endohepatology:Arrival at the frontier of interventional endosonography

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World Journal of Gastroenterology 2024年第18期30卷 2397-2401页

作者： Shane p Selvanderan Eric Lam neal Shahidi Department of Medicine University of British ColumbiaVancouver V6Z 1Y6BCCanada

Endohepatology describes the emerging field where diagnostic and therapeutic endoscopic ultrasound(EUS)are used for the diagnosis and management of liver disease and its *** this editorial we comment on the article by Gadour et *** spectrum of EUS-guided procedures includes liver parenchymal and lesional biopsy,abscess drainage,treatment of focal liver lesions,diagnosis of portal hypertension and management of gastric *** data suggest that the application of EUS to hepatology is technically feasible and safe,heralding the arrival at a new frontier for *** data,specifically randomised trials comparing EUS to interventional radiology techniques,and continued partnership between endoscopy and hepatology are required to see this field establish itself outside expert tertiary centres.

关键词： Cancer Cirrhosis Endoscopy Endoscopic ultrasound Liver disease

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Large non-pedunculated colorectal polyp management: The elephant in the room

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World Journal of Gastroenterology 2024年第25期30卷 3126-3131页

作者： Shirley X Jiang neal Shahidi Department of Medicine University of British ColumbiaVancouver V6Z 2K5BCCanada

Minimally invasive innovations have transformed *** to colorectal cancer(CRC),there has been a shift towards less invasive surgical techniques and use of endoscopic resection as an alternative for low risk T1 *** role of endoscopic resection is however much more extensive:It is now considered the first line management strategy for most large(≥20 mm)non-pedunculated colorectal polyps,the majority of which are *** is due to the well-established efficacy,safety,and cost-effectiveness of endoscopic techniques compared to *** endoscopic modalities now exist with distinct risk-benefit profiles and their outcomes are further improved by site-specific technical modifications,auxiliary techniques,and adverse event miti-gation *** capacity continues to evolve with emerging endoscopic techniques and expanding applications,particularly in the confines of a multi-disciplinary setting.

关键词： Cancer Colonoscopy Endoscopy polyp Endoscopic mucosal resection Endoscopic submucosal dissection

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Reflections on Studying Huang Di Nei Jing in the West

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Chinese Medicine and Culture 2024年第1期7卷 72-76页

作者： Edward neal Apricot Grove Educational Services Portland 97213the United States of America Xinglin Institute for Early East Asian Medicine Portland 97213the United States of America

Huang Di Nei Jing(《黄帝内经》The Yellow Emperor’s Inner Classic) has been the source text of Chinese medicine knowledge and innovation for over two thousand years. Despite this key relevance, many of its ideas and practices have proven difficult to understand and implement fully into clinical practice. Cultural and language differences can be compounded with these challenges but may also present new opportunities for advancement and insight when studied by researchers outside of the originating culture. This article introduces the method of Classical-Text Archaeology and delves into the author’s two-decade journey of researching this text, with a discussion on cultural differences and issues of medical scholarship.

关键词： Huang Di Nei Jing Chinese medicine Nei Jing nature-based medicine Classical text research Global health Medical anthropology Classical-Text Archaeology

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Gastric cystica profunda:Another indication for minimally invasive endoscopic resection techniques?

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World Journal of Gastroenterology 2024年第27期30卷 3278-3283页

作者： Harjot K Bedi Douglas Motomura neal Shahidi Department of Medicine University of British ColumbiaVancouver V6Z 2K5BCCanada

Gastric cancer presents a significant global health burden,as it is the fifth most common malignancy and fourth leading cause of cancer mortality *** in incidence rates across regions underscores the multifactorial etiology of this *** overall 5-year survival rate remains low despite advances in its diagnosis and *** surgical gastrectomy was previously standard-of-care,endoscopic resection techniques,including endoscopic mucosal resection and endoscopic submucosal dissection(ESD)have emerged as effective alternatives for early *** to surgical resection,endoscopic resection techniques have comparable 5-year survival rates,reduced treatment-related adverse events,shorter hospital stays and lower *** also enables en bloc resection,thus affording organ-sparing curative endoscopic resection for early *** this editorial,we comment on the recent publication by Geng et al regarding gastric cystica profunda(GCp).GCp is a rare gastric pseudotumour with the potential for malignant *** presents a diagnostic challenge due to its nonspecific clinical manifestations and varied endoscopic *** are several gaps in the literature regarding the diagnosis and management of GCp which warrants further research to standardize patient *** in endoscopic resection techniques offer promising avenues for GCp and early gastric cancers.

关键词： Early gastric cancer Endoscopy Endoscopic submucosal dissection Gastric cystica profunda

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T1 colorectal cancer management in the era of minimally invasive endoscopic resection

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World Journal of Gastrointestinal Oncology 2024年第6期16卷 2284-2294页

作者： Shirley Xue Jiang Aein Zarrin neal Shahidi Department of Medicine University of British ColumbiaVancouver V6Z2K5British ColumbiaCanada Division of Gastroenterology St.Paul’s HospitalVancouver V6Z2K5British ColumbiaCanada

T1 colorectal cancer(CRC),defined by tumor invasion confined to the submucosa,has historically been managed by *** understanding of recurrence and lymph node metastases risk,coupled with advances in endoscopic resection techniques,have led to an increasing capacity for organ-sparing local *** invasive management of T1 CRC begins with optical evaluation of the lesion to diagnose invasive disease and quantify depth of invasion,which informs therapeutic decision *** selection between various available endoscopic resection techniques depends upon lesion characteristics,technique risk-benefit profiles,and location-specific *** endoscopic resection,established histopathology features determine the risk of recurrence and subsequent management including surveillance or adjuvant surgical *** management of non-operative candidates deviates from conventional recommendations with emerging treatment strategies in select populations.

关键词： Cancer Colonoscopy Endoscopy polyp Surgery

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Double-nylon purse-string suture technique: Another addition to the endoscopist's toolbox for full-thickness defect closure

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World Journal of Gastroenterology 2024年第25期30卷 3152-3154页

作者： Angad Walia Roberto paolo Trasolini neal Shahidi Department of Medicine University of British ColumbiaVancouver V6Z2K5BCCanada

Iatrogenic perforation is the most feared adverse event in *** the expansion of interventional endoscopy in favor of traditional surgery,it is now more crucial than ever to develop effective defect closure *** has culminated in the dissemination of multiple novel closure technologies,including through-the-scope clips,over-the-scope clips,through-the-scope suturing and over-the-scope suturing *** this editorial,we comment on the recent publication by Wang and colleagues discussing the performance of the double-nylon purse-string suture technique in the closure of large(>3 cm)gastric full-thickness *** technique offers a promising,practical and cost-effective approach to closure of large full-thickness defects that can be readily imple-mented across diverse healthcare settings.

关键词： Cancer Endoscopy Endoscopic full-thickness resection perforation

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An intelligent active probing and trace-back scheme for IoT anomaly detection

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Digital Communications and Networks 2024年第1期10卷 168-181页

作者： Luying Wang Lingyi Chen neal N.Xiong Anfeng Liu Tian Wang Mianxiong Dong School of Computer Science and Engineering Central South UniversityChangsha 410083China Department of Computer Science and Mathematics Sul Ross State UniversityAlpineTX 79830USA Artificial Intelligence and Future Networks Beijing Normal University&UICZhuhai 519087China Department of Information and Electronic Engineering Muroran Institute of TechnologyMuroran 050-8585Japan

Due to their simple hardware,sensor nodes in IoT are vulnerable to attack,leading to data routing blockages or malicious tampering,which significantly disrupts secure data *** Intelligent Active probing and Trace-back Scheme for IoT Anomaly Detection(ApTAD)is proposed to collect integrated IoT data by recruiting Mobile Edge Users(MEUs).(a)An intelligent unsupervised learning approach is used to identify anomalous data from the collected data by MEUs and help to identify anomalous nodes.(b)Recruit MEUs to trace back and propose a series of trust calculation methods to determine the trust of nodes.(c)The last,the number of active detection packets and detection paths are designed,so as to accurately identify the trust of nodes in IoT at the minimum cost of the network.A large number of experimental results show that the recruiting cost and average anomaly detection time are reduced by 6.5 times and 34.33%respectively,while the accuracy of trust identification is improved by 20%.

关键词： Anomaly detection Internet of things Integrating data collection Mobile edge users Intelligent

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Therapeutic nucleic acids in regenerative medicine and tissue repair

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Nano Research 2024年第10期17卷 8942-8976页

作者： Qimanguli Saiding Duotian Qin Soohwan An Dylan neal patel Muhammad Muzamil Khan Na Kong Wei Tao Center for Nanomedicine and Department of Anesthesiology Brigham and Women’s HospitalHarvard Medical SchoolBostonMassachusetts 02115USA

In the vanguard of biomedical innovation,regenerative medicine emerges as a transformative paradigm,concentrating its efforts on rectifying tissue deficits and functional aberrations in patients through the strategic augmentation of endogenous cellular *** to this approach is nucleic acid therapy,which offers a novel pathway for tissue regeneration by modulating key signaling *** one of the most effective ways to regulate cell function,nucleic acids are crucial for various tissue regeneration;however,their in vivo therapeutic applications face substantial challenges,including nuclease degradation,cell membrane impermeability,and targeted intracellular ***-based gene delivery systems offer a solution for stable and localized drug delivery by enabling the controlled overexpression of therapeutic nucleic acids,producing functional regulatory *** review presents examples of nucleic acid applications in regenerative medicine,highlighting the synergy between nucleic acids and biomaterial *** underlines the importance of nucleic acid delivery techniques,the choice of therapeutic nucleic acids,and biomaterials for advancing tissue *** latest developments in designing nucleic acid biomaterial-based delivery vehicles are explored,the mechanism of nucleic acids in tissue regeneration is elucidated,and their limitations are discussed while considering future directions for the clinical translation of nucleic acid-based therapeutics.

关键词： tissue repair nucleic acids biomaterials delivery systems regenerative medicine

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