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The Hong Kong consensus statements on unresectable hepatocellular carcinoma:narrative review and update for 2021

Hepatobiliary Surgery and Nutrition 2023年第3期12卷 366-385页

作者： Tan-To Cheung Simon Chun-Ho Yu Stephen L.Chan Ronnie T.P.Poon Philip Kwok Ann-Shing Lee Anna Tai Derek Tam Chin-Cheung Cheung Tak-Wing Lai Nam-Hung Chia Ada Law Tracy Shum yim-kwan lam Vince Lau Victor Lee Charing Chong Chung-Ngai Tang Thomas Yau Department of Surgery Queen Mary HospitalThe University of Hong KongHong KongChina Department of Imaging&Interventional Radiology Prince of Wales HospitalThe Chinese University of Hong KongHong KongChina State Key Laboratory of Translational Oncology and Department of Clinical Oncology Sir YK Pao Centre for CancerPrince of Wales HospitalThe Chinese University of Hong KongHong KongChina Department of Radiology and Imaging Queen Elizabeth HospitalHong KongChina Department of Clinical Oncology Tuen Mun HospitalHong KongChina Department of Clinical Oncology Queen Elizabeth HospitalHong KongChina Department of Surgery United Christian HospitalHong KongChina Department of Surgery Tuen Mun HospitalHong KongChina Department of Surgery Princess Margaret HospitalHong KongChina Department of Surgery Queen Elizabeth HospitalHong KongChina Department of Clinical Oncology Pamela Youde Nethersole Eastern HospitalHong KongChina Department of Clinical Oncology Princess Margaret HospitalHong KongChina Department of Medicine and Geriatrics United Christian HospitalHong KongChina Department of Radiology Queen Mary HospitalHong KongChina Department of Clinical Oncology Queen Mary HospitalThe University of Hong KongHong KongChina Department of Surgery Prince of Wales HospitalThe Chinese University of Hong KongHong KongChina Department of Surgery Pamela Youde Nethersole Eastern HospitalHong KongChina Department of Medicine Queen Mary HospitalThe University of Hong KongHong KongChina

Background and Objective:Hong Kong,like many parts of Asia,faces a high burden of hepatocellular carcinoma(HCC)caused by high endemic rates of hepatitis B virus *** Kong clinicians have developed a high level of expertise in HCC treatment across surgical,transarterial,ablative,radiotherapeutic and systemic *** publication summarizes the latest evidence-based recommendations on how these modalities should be ***:In two meetings held in 2020,a multidisciplinary panel of surgeons,oncologists and interventional radiologists performed a narrative review of evidence on the management of HCC,with an emphasis on treatment of HCC not amenable to surgical *** attention was paid to new evidence published since the previous version of these statements in *** Content and Findings:The expert panel has formulated 60 consensus statements to guide the staging and treatment of unresectable *** the previous version of these statements,considerable additions have been made to the recommendations on use of targeted therapies and immunotherapies because of the large volume of new ***:Our consensus statements offer guidance on how to select HCC patients for surgical or non-surgical treatment and for choosing among non-surgical modalities for patients who are not candidates for *** particular,there is a need for more evidence to aid physicians in the selection of second-line systemic therapies,as currently most data are limited to patients with disease progression on first-line sorafenib.

关键词： Hepatocellular carcinoma(HCC) Hong Kong guidelines consensus

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Event-triggered sliding mode control of linear repetitive processes and its application in metal rolling process

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Science China(Information Sciences) 2024年第3期67卷 167-181页

作者： Xinyu LV Yugang NIU James lam Key Laboratory of Smart Manufacturing in Energy Chemical Process (East China University of Science and Technology) Ministry of Education Department of Mechanical Engineering The University of Hong Kong

This paper investigates the design problem of a sliding mode controller for linear repetitive processes(LRPs) with a finite pass length on each pass. Under limited communication resources, an eventtriggered mechanism is implemented from the sensors to the controller, whose triggered sequence is consistent with the evolution direction of LRPs. To periodically orchestrate communication between the controller and actuator, a round-robin scheduling mechanism is established based on the pass length. A sliding function involving the state and pass profile is constructed, and the sliding mode controller is designed using triggered states and pass profile signals. Feasible controller gains are attained to ensure the stability of the resultant closed-loop system. Finally, the proposed strategy is implemented for a multi-roll metal rolling process.

关键词： event-triggered mechanism linear repetitive processes metal rolling process round-robin scheduling sliding mode control

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Emerging roles and therapeutic potentials of sphingolipids in pathophysiology:emphasis on fatty acyl heterogeneity

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Journal of Genetics and Genomics 2024年第3期51卷 268-278页

作者： Jinming Mu Sin Man lam Guanghou Shui State Key Laboratory of Molecular Developmental Biology Institute of Genetics and Developmental BiologyChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100101China Lipidall Technologies Company Limited ChangzhouJiangsu 213000China

Sphingolipids not only exert structural roles in cellular membranes,but also act as signaling molecules in various physiological and pathological processes.A myriad of studies have shown that abnormal levels of sphingolipids and their metabolic enzymes are associated with a variety of human ***,blood sphingolipids can also be used as biomarkers for disease *** review summarizes the biosynthesis,metabolism,and pathological roles of sphingolipids,with emphasis on the biosynthesis of ceramide,the precursor for the biosynthesis of complex sphingolipids with different fatty acyl *** possibility of using sphingolipids for disease prediction,diagnosis,and treatment is also *** endogenous ceramides and complex sphingolipids along with their specific fatty acyl chain to promote future drug development will also be discussed.

关键词： Sphingolipids Ceramide Therapeutic targets Microdomain Biomarker

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Analysis of the inflection points of height-diameter models

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Forest Ecosystems 2024年第4期11卷 414-422页

作者： Tzeng Yih lam Mark J.Ducey Department of Forest Resources Management Faculty of ForestryThe University of British Columbia2045-2424 Main MallVancouverBCV6T 1Z4 Canada Department of Natural Resources and the Environment University of New Hampshire114 James HallDurhamNH 03824USA

The inflection point is an important feature of sigmoidal height-diameter(H-D)*** is often cited as one of the properties favoring sigmoidal model ***,there are very few studies analyzing the inflection points of H-D *** goals of this study were to theoretically and empirically examine the behaviors of inflection points of six common H-D models with a regional *** six models were the Wykoff(WYK),Schumacher(SCH),Curtis(CUR),HossfeldⅣ(HOS),von Bertalanffy-Richards(VBR),and Gompertz(GPZ)*** models were first fitted in their base forms with tree species as random effects and were then expanded to include functional traits and spatial *** distributions of the estimated inflection points were similar between the two-parameter models WYK,SCH,and CUR,but were different between the threeparameter models HOS,VBR,and *** produced some of the largest inflection *** and VBR produced concave H-D curves without inflection points for 12.7%and 39.7%of the tree *** species or decreasing shade tolerance resulted in larger inflection *** trends in the estimated inflection points of HOS and VBR were entirely opposite across the ***,HOS could produce concave H-D curves for portions of the *** on the studied behaviors,the choice between two-parameter models may not *** recommend comparing seve ral three-parameter model forms for consistency in estimated inflection points before deciding on *** sigmoidal models to have inflection points does not necessarily mean that they will produce fitted curves with *** study highlights the need to integrate analysis of inflection points into modeling H-D relationships.

关键词： Concavity Forest inventory and analysis Generalized height-diameter models Growth functions Height-diameter functions Mixed-effects modeling Points of inflection Species-specific models

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Epitranscriptomic Regulation of NMDA Receptors Rears its Ugly Head in Chemotherapy-Induced Neuropathic Pain

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Neuroscience Bulletin 2024年第8期40卷 1209-1211页

作者： Wing lam Yu Gerald W.Zamponi Department of Clinical Neurosciences Hotchkiss Brain InstituteAlberta Children's Hospital Research InstituteUniversity of CalgaryCalgaryAB T2N 4N1Canada

number of different cancer chemotherapy agents such as cisplatin,oxaliplatin,and paclitaxel can lead to nerve damage,thereby giving rise to neuropathic pain states that present with mechanical and cold allodynia[1].Although these pain conditions often resolve after completion of the chemotherapy,a significant portion of patients exhibit longlasting pain that can persist longer than 12 months with a negative impact on the quality of life of affected individuals[1].

关键词： chemotherapy pain damage

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Population Dynamics in an Advective Environment

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Communications on Applied Mathematics and Computation 2024年第1期6卷 399-430页

作者： King-Yeung lam Ray Lee Yuan Lou Department of Mathematics The Ohio State UniversityColumbusOH43210USA School of Mathematical Sciences CMA-Shanghai and MOE-LSCShanghai Jiao Tong UniversityShanghai200240China

We consider a one-dimensional reaction-diffusion equation describing single-and two-species population dynamics in an advective environment,based on the modeling frameworks proposed by Lutscher et *** *** analyze the effect of rate of loss of individuals at both the upstream and downstream *** the single-species case,we prove the existence of the critical domain size and provide explicit formulas in terms of model *** further derive qualitative properties of the critical domain size and show that,in some cases,the critical domain size is either strictly decreasing over all diffusion rates,or monotonically increasing after first decreasing to a *** also consider competition between species differing only in their diffusion *** two species having large diffusion rates,we give a sufficient condition to determine whether the faster or slower diffuser wins the *** also briefly discuss applications of these results to competition in species whose spatial niche is affected by shifting isotherms caused by climate change.

关键词： Reaction-diffusion-advection Critical domain size Competition Climate change

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Interfacial friction induced capillary flow within nanofiber-supported ionic liquid droplets

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Green Energy & Environment 2024年第5期9卷 789-791页

作者： Yuanyuan Zhao Gang Xia Yintung lam John Haozhong Xin School of Fashion and Textiles The Hong Kong Polytechnic UniversityHong KongChina Shenzhen Research Institute The Hong Kong Polytechnic UniversityShenzhenChina

As global economic growth increases,the demand for energy sources *** fossil fuels have traditionally satisﬁed this demand,their environmental inﬂuence and limited reserves require *** fuel combustion contributes substantially to greenhouse gas emissions,with a pressing need to halve these emissions by 2030 and target net-zero by *** energy sources,contributing currently to 29%of global electricity,are viewed as promising *** wind energy's potential,Zheng's team developed a novel method to harness even low wind speeds using well-aligned nanoﬁbers and an innovative“drop wind generator”.This system,combining moisture-saturated ionic liquid 3-Methyl-1-octylimidazolium chloride with speciﬁc nanoﬁber arrays,exploits wind-inducedﬂows for energy *** study highlights the vast untapped potential of low-speed wind as a sustainable energy source potentially for electronics.

关键词： Wind energy Low-speed wind Ionic liquid Electronic devices

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Genomics-driven derivatization of the bioactive fungal sesterterpenoid variecolin:Creation of an unnatural analogue with improved anticancer properties

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Acta Pharmaceutica Sinica B 2024年第1期14卷 421-432页

作者： Dexiu Yan Jemma Arakelyan Teng Wan Ritvik Raina Tsz Ki Chan Dohyun Ahn Vladimir Kushnarev Tsz Kiu Cheung Ho Ching Chan Inseo Choi Pui Yi Ho Feijun Hu Yujeong Kim Hill lam Lau Ying Lo Law Chi Seng Leung Chun Yin Tong Kai Kap Wong Wing lam yim Nikolay S.Karnaukhov Richard Y.C.Kong Maria V.Babak Yudai Matsuda Department of Chemistry City University of Hong KongHong Kong SARChina iGEM Team“VarieCure” City University of Hong KongHong Kong SARChina Department of Biomedical Engineering City University of Hong KongHong Kong SARChina Moscow Clinical Research Center Named After A.S.Loginov Moscow 111123Russian Federation

A biosynthetic gene cluster for the bioactive fungal sesterterpenoids variecolin(1)and variecolactone(2)was identified in Aspergillus aculeatus ATCC *** production of 1 and 2 was achieved in Aspergillus oryzae by expressing the sesterterpene synthase VrcA and the cytochrome P450 ***,the replacement of VrcB with homologous P450s from other fungal terpenoid pathways yielded three new variecolin analogues(5-7).Analysis of the compounds’anticancer activity in vitro and in vivo revealed that although 5 and 1 had comparable activities,5 was associated with significantly reduced toxic side effects in cancer-bearing mice,indicating its potentially broader therapeutic *** study describes the first tests of variecolin and its analogues in animals and demonstrates the utility of synthetic biology for creating molecules with improved biological activities.

关键词： Animal studies Anticancer properties Biosynthesis Natural products Sesterterpenoids Synthetic biology Terpene synthases Variecolin

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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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Fabrication of La,Ce co-doped ZnO nanorods for improving photodegradation of methylene blue

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Journal of Rare Earths 2024年第1期42卷 76-83,I0003页

作者： Erfan Hakim Azmal Zaid Jin-Chung Sin Sze-Mun lam Abdul Rahman Mohamed School of Chemical Engineering Universiti Sains Malaysia(USM)14300Nibong TebalPenangMalaysia College of Environmental Science and Engineering Guilin University of TechnologyGuilin541004China Guangxi Key Laboratory of Theory and Technology for Environmental Pollution Control Guilin University of TechnologyGuilin541004China Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area Guilin University of TechnologyGuilin541004China Faculty of Engineering and Green Technology Universiti Tunku Abdul RahmanJalan UniversitiBandar Barat31900KamparPerakMalaysia

La,Ce co-doped ZnO nanorods(ZnLC)were synthesized through a one-step solvothermal *** photocatalysts were characterized by X-ray diffraction,Raman spectroscopy,field-emission scanning electron microscopy,energy dispersive X-ray,transmission electron microscopy,UV-vis diffuse reflectance spectroscopy and photo luminescence *** La and Ce doping enhanced the visible light absorption ability of ZnLC and a red shift was detected for *** simulated solar light irradiation,the ZnO doped with 3 at%La and 1 at%Ce(ZnLC1)degrades methylene blue(MB)more effectively than those of pure ZnO,La-doped ZnO(ZnL)and commercially available *** improved photocatalytic performance of ZnLC1 can be attributed to the high charge separation efficiency as demonstrated by the photoluminescence ***,the photocatalytic experiments reveal that several parameters have their own impact on the MB *** a variety of radical scavengers,it is discovered that superoxide anion radical plays a crucial role in the degradation of *** ZnLC1 is also reused several times without noticeable decrease of photoactivity,indicating that it has a substantial potential for environmental remediation applications.

关键词： ZnO Lanthanum Cerium Co-doping Photodegradation Rare earths

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