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Awareness and perceived barriers in practicing healthy living to prevent hypertension among young adults in Malaysia

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Asian Pacific Journal of Tropical Medicine 2022年第12期15卷 542-550页

作者： Lee Siew-Keah Kang Waye Hann Shun Kah Hoe Lai Rui En lim boon chin Master Manfai Sae Chan Tee Zhi Kang Chua Ang-lim M.Kandiah Faculty of Medicine and Health Sciences Universiti Tunku Abdul RahmanMalaysia Faculty of Medicine Universiti Teknologi MARAMalaysia

Objective:To investigate the knowledge,attitude,and practice levels and perceived barriers towards healthy living to prevent hypertension among young adults in ***:Adults aged 18-25 years reside in Malaysia were recruited via convenience *** characteristics,medical knowledge on hypertension(K1),knowledge(K),attitude(A),practice(P)and perceived barriers in practising healthy living to prevent hypertension were *** scores were categorised into good(80%-100%),upper-moderate(70%-79%),lower-moderate(60%-69%)and poor(<60%).Multivariate analysis was performed to test the difference and relationship of *** correlation test was used to test the association of two continuous ***:A total of 1218 respondents participated in this *** mean score of K1 was 54.1%,while the knowledge,attitude,and practice towards healthy living were 82.7%,78.2%and 68.5%*** prevalence of high salt intake,high fat intakes,low fibre intake,sedentary lifestyle and lack of annual health screening was 83.2%,81.4%,70.3%,and 73.2%,*** BMI was associated with low P scores,while lower socio-economic status,unawareness of self-blood pressure reading and those without family history of hypertension were associated with lower scores in K1,K,A,and P.K1,K,A and P are significantly *** main perceived barriers included self-proclaimed good fit status,frequent consumption of out-of-home food,and addiction to high salt/fat ***:The national strategies for health management should be prioritized in reducing salt and fat,promoting annual health screening,physical activities and fibre intake in this age group.

关键词： Healthy living Physical activity Salt restriction Dietary Hypertension Malaysia Young adults

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A converged ubiquitin-proteasome pathway for the degradation of TOC and TOM tail-anchored receptors

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Journal of Integrative Plant Biology 2024年第5期66卷 1007-1023页

作者： Meijing Yang Shuai Chen Shey-Li lim Lang Yang Jia Yi Zhong Koon Chuen Chan Zhizhu Zhao Kam-Bo Wong Junqi Wang boon Leong lim School of Biological Sciences University of Hong KongPokfulam 999077Hong KongChina Department of Biology Southern University of Science and TechnologyShenzhen 518055China School of Biomedical Engineering Shenzhen UniversityShenzhen 518060China School of Life Sciences The Chinese Universityof Hong KongShatin 999077HongKongChina State Key Laboratory of Agrobiotechnology The Chinese University of Hong KongShatin 999077Hong KongChina HKU Shenzhen Institute of Research and Innovation Shenzhen 518052China

In plants,thousands of nucleus-encoded proteins translated in the cytosol are sorted to chloroplasts and mitochondria by binding to specific receptors of the TOC(translocon on the outer chloroplast membrane)and the TOM(translocon on the outer mitochondrial membrane)complexes for import into those *** degradation pathways for these receptors are ***,we discovered a converged ubiquitin-proteasome pathway for the degradation of Arabidopsis thaliana TOC and TOM tail-anchored *** receptors are ubiquitinated by E3 ligase(s)and pulled from the outer membranes by the AAA+adenosine triphosphatase CDC48,after which a previously uncharacterized cytosolic protein,transmembrane domain(TMD)-binding protein for tail-anchored outer membrane proteins(TTOP),binds to the exposed TMDs at the C termini of the receptors and CDC48,and delivers these complexes to the 26S proteasome.

关键词： 26S proteasome CDC48 SP1 TOC TOM ubiquitination

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Cell membrane vesicles derived from hBMSCs and hUVECs enhance bone regeneration

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Bone Research 2024年第2期12卷 361-371页

作者： Dandan Wang Yaru Guo boon chin Heng Xuehui Zhang Yan Wei Ying He Mingming Xu Bin Xia Xuliang Deng Department of Pediatric Dentistry Peking University School and Hospital of StomatologyBeijing 100081P.R.China Department of Geriatric Dentistry Peking University School and Hospital of StomatologyNational Center for StomatologyNational Clinical Research Center for Oral DiseasesNational Engineering Research Center of Oral Biomaterials and Digital Medical DevicesBeijing 100081P.R.China Department of Dental Materials&Dental Medical Devices Testing Center Peking University School and Hospital of StomatologyNational Engineering Research Center of Oral Biomaterials and Digital Medical DevicesBeijing 100081P.R.China

Bone tissue renewal can be enhanced through co-transplantation of bone mesenchymal stem cells(BMSCs)and vascular endothelial cells(ECs).However,there are apparent limitations in stem cell-based therapy which hinder its clinic ***,we investigated the potential of alternative stem cell substitutes for facilitating bone *** this study,we successfully prepared cell membrane vesicles(CMVs)from BMSCs and *** results showed that BMSC-derived cell membrane vesicles(BMSC-CMVs)possessed membrane receptors involved in juxtacrine signaling and growth factors derived from their parental ***-derived cell membrane vesicles(EC-CMVs)also contained BMP2 and VEGF derived from their parental ***-CMVs enhanced tube formation and migration ability of hUVECs,while EC-CMVs promoted the osteogenic differentiation of hBMSCs in *** a rat skull defect model,we found that co-transplantation of BMSC-CMVs and EC-CMVs could stimulate angiogenesis and bone formation in ***,our research might provide an innovative and feasible approach for cell-free therapy in bone tissue regeneration.

关键词： hinder apparent vesicles

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Guest Editorial:Special issue on advances in representation learning for computer vision

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CAAI Transactions on Intelligence Technology 2024年第1期9卷 1-3页

作者： Andrew Beng Jin Teoh Thian Song Ong Kian Ming lim chin Poo Lee Electrical and Electronic Engineering Department Yonsei UniversitySeoulSouth Korea Faculty of Information Science and Technology Multimedia UniversityMelakaMalaysia

Deep learning has been a catalyst for a transformative revo-lution in machine learning and computer vision in the past *** these research domains,methods grounded in deep learning have exhibited exceptional performance across a spectrum of *** success of deep learning methods can be attributed to their capability to derive potent representations from data,integral for a myriad of downstream *** representations encapsulate the intrinsic structure,fea-tures,or latent variables characterising the underlying statistics of visual *** these achievements,the challenge per-sists in effectively conducting representation learning of visual data with deep models,particularly when confronted with vast and noisy *** special issue is a dedicated platform for researchers worldwide to disseminate their latest,high-quality articles,aiming to enhance readers'comprehension of the principles,limitations,and diverse applications of repre-sentation learning in computer vision.

关键词： spite computer representation

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Performance of pulsed plasma thruster at low discharge energy

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Plasma Science and Technology 2024年第4期26卷 122-132页

作者：李鸿俊林泽豪胡浩俊吴文东陈爱虹杜德扬 Department of Physics Faculty of ScienceUniversity of MalayaKuala Lumpur 50603Malaysia Faculty of Engineering The University of Nottingham Malaysia CampusSemenyih 43500Malaysia Faculty of Engineering Multimedia UniversityCyberjaya 63100Malaysia

As the size of satellites scales down, low-power and compact propulsion systems such as the pulsed plasma thruster(PPT) are needed for stabilizing these miniature satellites in orbit. Most PPT systems are operated at 2 J or more of discharge energy. In this work, the performance of a PPT with a side-fed, tongue-flared electrode configuration operated within a lower discharge energy range of 0.5-2.5 J has been investigated. Ablation and charring of the polytetrafluoroethylene propellant surface were analyzed through field-effect scanning electron microscopy imaging and energy-dispersive X-ray spectroscopy. When the discharge energy fell below 2 J, inconsistencies occurred in the specific impulse and the thrust efficiency due to the measurement of the low mass bit. At energy ≥2 J, the performance parameters are compared with other PPT systems of similar configuration and discussed in depth.

关键词： pulsed plasma thruster low discharge energy performance parameters

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Genetic diversity of the S-type small subunit ribosomal RNA gene of Plasmodium knowlesi isolates from Sabah,Malaysian Borneo and Peninsular Malaysia

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Asian Pacific Journal of Tropical Medicine 2024年第2期17卷 84-90页

作者： Eric Tzyy Jiann Chong Joveen Wan Fen Neoh Tiek Ying Lau Kek Heng Chua Yvonne Ai-Lian lim Ping-chin Lee Biotechnology Research Institute Universiti Malaysia SabahJalan UMS88400 Kota KinabaluSabahMalaysia Department of Biomedical Science Faculty of Medicine BuildingUniversity of Malaya50603 Kuala LumpurMalaysia Centre of Excellence for Research in AIDS(CERiA) University of Malaya50603 Kuala LumpurMalaysia Faculty of Science and Natural Resources Universiti Malaysia SabahJalan UMS88400 Kota KinabaluSabahMalaysia

Objective:To determine the genetic diversity of Plasmodium(P.)knowlesi isolates from Sabah,Malaysian Borneo and Peninsular Malaysia,targeting the S-type SSU rRNA gene and including aspects of natural selection and ***:Thirty-nine blood samples infected with *** were collected in Sabah,Malaysian Borneo and Peninsular *** S-type SSU rRNA gene was amplified using polymerase chain reaction,cloned into a vector,and *** natural selection and haplotype of the S-type SSU rRNA gene sequences were determined using DnaSP v6 and illustrated using NETWORK *** study's 39 S-type SSU rRNA sequences and eight sequences from the Genbank database were subjected to phylogenetic analysis using MEGA ***:Overall,the phylogenetic analysis showed no evidence of a geographical cluster of *** isolates from different areas in Malaysia based on the S-type SSU rRNA gene *** S-type SSU rRNA gene sequences were relatively conserved and with a purifying *** sharing of the S-type SSU rRNA gene was observed between the *** isolates in Sabah,Malaysian Borneo,but not between Sabah,Malaysian Borneo and Peninsular ***:This study suggests that the S-type SSU rRNA gene of *** isolates in Sabah,Malaysian Borneo,and Peninsular Malaysia has fewer polymorphic sites,representing the conservation of the *** features make the S-type SSU rRNA gene suitable for comparative studies,such as determining the evolutionary relationships and common ancestry among *** species.

关键词： Plasmodium knowlesi S-type small subunit ribosomal RNA Genetic diversity Natural selection Haplotype

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Outcomes of a non-randomised audit of single pigtail suture stents in urolithiasis management of Asian patients in Singapore

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Asian Journal of Urology 2024年第2期11卷 324-330页

作者： Ee Jean lim Zhen Wei Choo Reshma Mangat Pradeep Durai Sarvajit Biligere Yiquan Tan Loh Hin Yeung Marcus Nicole Andrea Seet Li Ting chin Tiong Heng Stefania Ferreti Vineet Gauhar Urology Department Singapore General HospitalSingapore Urology Department Tan Tock Seng HospitalSingapore Urology Department Ng Teng Fong HospitalSingapore Urology Department Azienda Ospedaliera-Uiversitaria(Hospital and University of Parma)ParmaItaly

Objective:Double-J(DJ)ureteric stents are commonly placed perioperatively for semirigid or flexible ureteroscopic renal *** is believed that lesser stent material within the bladder mitigates stent-related *** study aimed to evaluate the J-Fil ureteral stent,a single pigtail suture stent compared with conventional DJ stent in relation to stent symptoms in an Asian population undergoing ureterorenal ***:Based on internal audit committee recommendation approval,the records of 50 patients retrieved,available data of 41 patients who were prospectively enrolled into two groups(Group 1[J-Fil stent group],n=21 and Group 2[DJ stent group],n=20)between August 2020 to January 2021,were *** compared were nature of procedure,stone location and size,ease of deployment or removal,and complications.A modified universal stent symptom questionnaire was used to assess morbidity of stent symptoms within 48 h of insertion and at ***:Both groups had similar median age,distribution in male to female ratio,and stone *** overall median universal stent symptom questionnaire score at insertion was similar for bladder pain,flank or loin pain,and quality of life between Group 1 and 2;however,at removal Group 1 fared significantly better than Group 2,especially for flank or loin pain and pain at *** groups had similar ease in insertion with no hospital ***:Our audit favoured the single pigtail suture stent in Asian ureters in mitigating stent-related *** showed a good safety profile with easy deployment and *** promises a new standard in stenting.

关键词： Stent Ureteroscopy Pigtail suture stent Asianpatient Flexible ureteroscopic renal surgery

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Modeling and Simulation for Transient Thermal Analyses Using a Voltage-in-Current Latency Insertion Method

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Journal of Electronic Science and Technology 2022年第4期20卷 383-395页

作者： Wei Chun chin boon Chun New Nur Syazreen Ahmad Patrick Goh School of Electrical and Electronic Engineering Universiti Sains MalaysiaPenang 14300

This article presents a modeling and simulation method for transient thermal analyses of integrated circuits(ICs)using the original and voltage-in-current(VinC)latency insertion method(lim).lim-based algorithms are a set of fast transient simulation methods that solve electrical circuits in a leapfrog updating manner without relying on large matrix operations used in conventional Simulation Program with Integrated Circuit Emphasis(SPICE)-based methods which can significantly slow down the solution *** conversion from the thermal to electrical model is performed first by using the analogy between heat and electrical *** electrical inductance has no thermal equivalence,a modified VinC lim formulation is presented which removes the requirement of the insertion of fictitious *** examples are presented,which show that the modified VinC lim formulation outperforms the basic lim formulation,in terms of both stability and accuracy in the transient thermal simulation of ICs.

关键词： Latency insertion method(lim) numerical simulation thermal analysis transient simulation

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Extrapolating neurogenesis of mesenchymal stem/stromal cells on electroactive and electroconductive scaffolds to dental and oral-derived stem cells

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International Journal of Oral Science 2022年第2期14卷 123-131页

作者： boon chin Heng Yunyang Bai Xiaochan Li Xuehui Zhang Xuliang Deng Central Laboratory Peking University School and Hospital of StomatologyBeijingChina School of Medical and Life Sciences Sunway UniversitySubang JayaSelangor Darul EhsanMalaysia Department of Geriatric Dentistry Peking University School and Hospital of StomatologyBeijingChina Department of Dental Materials&Dental Medical Devices Testing Center Peking University School and Hospital of StomatologyBeijingChina National Engineering Laboratory for Digital and Material Technology of Stomatology NMPA Key Laboratory for Dental MaterialsBeijing Laboratory of Biomedical Materials&Beijing Key Laboratory of Digital StomatologyPeking University School and Hospital of StomatologyBeijingChina

The high neurogenic potential of dental and oral-derived stem cells due to their embryonic neural crest origin,coupled with their ready accessibility and easy isolation from clinical waste,make these ideal cell sources for neuroregeneration ***,these cells also have high propensity to differentiate into the osteo-odontogenic *** strategy to enhance neurogenesis of these cells may be to recapitulate the natural physiological electrical microenvironment of neural tissues via electroactive or electroconductive tissue engineering ***,to date,there had been hardly any such studies on these *** relevant scientific information comes from neurogenesis of other mesenchymal stem/stromal cell lineages(particularly bone marrow and adipose tissue)cultured on electroactive and electroconductive scaffolds,which will therefore be the focus of this *** there are larger number of similar studies on neural cell lines(***12),neural stem/progenitor cells,and pluripotent stem cells,the scientific data from such studies are much less relevant and less translatable to dental and oral-derived stem cells,which are of the mesenchymal *** extrapolation work is needed to validate that electroactive and electroconductive scaffolds can indeed promote neurogenesis of dental and oral-derived stem cells,which would thus facilitate clinical applications in neuroregeneration therapy.

关键词： mesenchymal conductive neural

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A Review of Graphene Oxide Crosslinking as Enhanced Corrosion Shield Application

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Journal of Renewable Materials 2023年第6期11卷 2745-2770页

作者： Nurul Anis Athirah Ab Aziz chin Wei Lai boon Hoong Ong Nanotechnology&Catalysis Research Centre Institute for Advanced StudiesUniversity of MalayaKuala Lumpur50603Malaysia

Nowadays,corrosion is not only undesirable,but it also has a significant influence on the industrial sectors and technical innovations that have demand for *** global economic damage is expected to reach$2.5 trillion,equivalent to more than 3.4%of the world’s GDP in *** is linked with significant financial harm,manufacturing pollution,and safety *** electrochemical process primarily induces metal corrosion at the metalelectrolyte interface region,caused by steel oxidation and the reduction of oxygen,protons,and ***,organic and epoxy coatings can be applied as protective ***,it can prevent metal corrosion in various fields due to its unique properties,like the ability to manage its curing process over a long *** review paper focuses on improving the physicomechanical properties of modified graphene oxide(GO)coating by attaching a polymer,epoxy resin(EP).Moreover,we reviewed recent achievements for different methods in minimizing a corrosion ***,we considered the modification of epoxy resin using the curing agent as a bridge to the polymer to strengthen the functionalization of nanocomposites during the ***,we discussed the relationship between the modified GO/EP anticorrosive coating and physicomechanical properties since it is currently being questioned and remains *** a result,extensive studies on the mechanism of synthesis of the modified GO/EP anticorrosive coating were highlighted.

关键词： Corrosion anticorrosive graphene polymer epoxy resins

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