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Recent advances and influencing parameters in developing electrode materials for symmetrical solid oxide fuel cells

矿物冶金与材料学报:英文版 2023年第10期30卷 1933-1956页

作者： Wan nor Anasuhah Wan Yusoff nurul Akidah Baharuddin Mahendra Rao Somalu Andanastuti Muchtar Nigel P.Brandon Huiqing Fan Solid Oxide Fuel Cell Group Fuel Cell InstituteUniversiti Kebangsaan Malaysia43600UKM BangiSelangorMalaysia Department of Mechanical and Manufacturing Engineering Faculty of Engineering and Built EnvironmentUniversiti Kebangsaan Malaysia43600UKM BangiSelangorMalaysia Faculty of Engineering 2.06 Faculty BuildingImperial College LondonSW72 AZUK State Key Laboratory of Solidification Processing School of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi’an 710072China

This article delivers a robust overview of potential electrode materials for use in symmetrical solid oxide fuel cells(S-SOFCs),a relatively new SOFC *** this end,this article provides a comprehensive review of recent advances and progress in electrode materials for S-SOFC,discussing both the selection of materials and the challenges that come with making that *** article discussed the relevant factors involved in developing electrodes with nano/***,e.g.,non-cobalt and lithiated materials,are only a few of the electrode types now being ***,the phase structure and microstructure of the produced materials are heavily influenced by the synthesis *** into the possibilities and difficulties of the material are *** achieve the desired microstructural features,this article focuses on a synthesis technique that is either the most recent or a better iteration of an existing *** portion of this analysis that addresses the risks associated with manufacturing and the challenges posed by materials when fabricating S-SOFCs is the most *** article also provides important and useful recommendations for the strategic design of electrode materials researchers.

关键词： nano composites electrode microstructure tailoring oxidation symmetrical solid oxide fuel cell

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Diffusion tensor imaging pipeline measures of cerebral white matter integrity: An overview of recent advances and prospects

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World Journal of Clinical Cases 2022年第24期10卷 8450-8462页

作者： Amanina Ahmad Safri Che mohd Nasril Che mohd Nassir Ismail nurul Iman Nur Hartini mohd Taib Anusha Achuthan Muzaimi Mustapha Department of Neurosciences School of Medical SciencesUniversiti Sains MalaysiaHealth CampusKubang Kerian 16150KelantanMalaysia Department of Radiology School of Medical SciencesUniversiti Sains MalaysiaHealth CampusKubang Kerian 16150KelantanMalaysia School of Computer Sciences Universiti Sains Malaysia11800 USMPenangMalaysia Department of Neurosciences Hospital Universiti Sains MalaysiaKubang Kerian 16150KelantanMalaysia

Cerebral small vessel disease(CSVD)is a leading cause of age-related microvascular cognitive decline,resulting in significant morbidity and decreased quality of *** a progress on its key pathophysiological bases and general acceptance of key terms from neuroimaging findings as observed on the magnetic resonance imaging(MRI),key questions on CSVD remain *** relationships and reliable lesion studies,such as white matter tractography using diffusion-based MRI(dMRI)are necessary in order to improve the assessment of white matter architecture and connectivity in *** tensor imaging(DTI)and tractography is an application of dMRI that provides data that can be used to non-invasively appraise the brain white matter connections via fiber tracking and enable visualization of individual patient-specific white matter fiber tracts to reflect the extent of CSVD-associated white matter ***,due to a lack of standardization on various sets of software or image pipeline processing utilized in this technique that driven mostly from research setting,interpreting the findings remain contentious,especially to inform an improved diagnosis and/or prognosis of CSVD for routine clinical *** this minireview,we highlight the advances in DTI pipeline processing and the prospect of this DTI metrics as potential imaging biomarker for CSVD,even for subclinical CSVD in at-risk individuals.

关键词： Diffusion tensor imaging White matter Cerebral small vessel disease Pipeline processing Tractography

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The flow behavior of powder stearin-based methyl ester sulfonates and the effect of glidant

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Particuology 2023年第9期80卷 148-156页

作者： Zulina Abd Maurad Luqman Chuah Abdullah mohd Shamsul Anuar nor Nadiah Abdul Karim Shah Zainab Idris Malaysian Palm Oil Board 6Persiaran InstitusiBandar Baru Bangi43000SelangorMalaysia Department of Chemical and Environmental Engineering Faculty of EngineeringUniversiti Putra MalaysiaSerdangSelangor43400Malaysia Department of Process and Food Technology Faculty of EngineeringUniversiti Putra MalaysiaSerdangSelangor43400Malaysia

The preparation and behavior of powder stearin-based methyl ester sulfonates(MES)with the addition of builder as a glidant agent was *** is an anionic surfactant and its performance is equivalent to petroleum-based linear alkylbenzene sulfonates(LAS),the workhorses of the detergent *** the same time,zeolites or soda ash were the alternative builders for non-phosphate-based *** behavior of powder MES properties was measured in terms of morphology,particle size,cohesion,caking,and *** that,these palm stearin-based MES of carbon chain 16–18 with ratios of 98:2,80:20,and 60:40 in flakes were ground using a high shear mixer by 23,000 rpm to produce powder *** the particle size of MES powder can reduce the powder's cohesion,caking,and *** addition of zeolite or soda ash as a glidant in powdered MES can improve the caking *** high stearic in MES greatly influenced getting fine particle powders and required more glidant *** powder MES with excellent powder characteristics can perform well as a bio-based cleaning product.

关键词： Methyl ester sulfonates Caking Compaction Cohesion Glidant

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Inhibition mechanisms of secretome proteins from Paenibacillus polymyxa Kp10 and Lactococcus lactis Gh1 against methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococcus

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Asian Pacific Journal of Tropical Biomedicine 2022年第11期12卷 483-494页

作者： nurul Hana Zainal Baharin Nur Fadhilah Khairil Mokhtar mohd Nasir mohd Desa nurul Diana Dzaraly AbdulRahman Muthanna Mazen M.Jamil Al-Obaidi mohd Hafis Yuswan Sahar Abbasiliasi norasfaliza Rahmad Wan Ahmad Kamil Wan Nur Ismah Amalia mohd Hashim Shuhaimi Mustafa Laboratory of Halal Science Research Halal Products Research InstituteUniversiti Putra Malaysia43400 UPM SerdangSelangorMalaysia Department of Biomedical Sciences Faculty of Medicine and Health SciencesUniversiti Putra Malaysia43400 UPM SerdangSelangorMalaysia Department of Science University of Technology and Applied SciencesRustaq 10 P.C.329Oman Agro-Biotechnology Institute MalaysiaNational Institutes of Biotechnology Malaysia43400 UPM SerdangSelangorMalaysia Department of Microbiology Faculty of Biotechnology and Biomolecular ScienceUniversiti Putra Malaysia43400 UPM SerdangSelangorMalaysia

Objective:To determine the inhibition mechanisms of secretome protein extracted from Paenibacillus polymyxa Kp10(Kp10)and Lactococcus lactis Gh1(Gh1)against methicillin-resistant Staphylococcus aureus(MRSA)and vancomycin-resistant Enterococcus(VRE).Methods:The sensitivity and viability of MRSA and VRE treated with secretome proteins of Kp10 and Gh1 were determined using minimal inhibitory concentration,minimum bactericidal concentration,and time-to-kill *** morphological changes were observed using scanning electron microscopy and transmission electron *** elucidate the antimicrobial mechanism of secretome protein of Kp10 and Gh1 against MRSA and VRE,2D gel proteomic analysis using liquid chromatography-mass spectrometry was run by comparing upregulated and downregulated proteins,and the proton motive force study including the efflux of ATP,pH gradient,and the membrane potential study were ***:MRSA and VRE were sensitive to Kp10 and Gh1 secretome protein extracts and displayed apparent morphological and internal composition *** proteins associated with cellular component functions were either downregulated or upregulated in treated MRSA and VRE by changing the membrane potential ***:Kp10 and Gh1 secretome proteins reduce the growth of VRE and MRSA by damaging the cell *** division,cell wall biosynthesis,and protein synthesis are involved in the inhibition mechanism.

关键词： Antimicrobial Proteins Secretome proteins Antibiotic-resistance Paenibacillus polymyxa Kp10 Lactococcus lactis Gh1 Vancomycin-resistant Enterococcus Methicillin-resistant Staphylococcus aureus Mechanism

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Development and characterization of food packaging bioplastic film from cocoa pod husk cellulose incorporated with sugarcane bagasse fibre

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Journal of Bioresources and Bioproducts 2020年第4期5卷 248-255页

作者： Siti Nuurul Hud Mohammad Azmin Najah Aliah binti mohd Hayat mohd Shukri Mat nor Faculty of Agro-Based Industry Universiti Malaysia Kelantan Jeli CampusLocked Bag 10017600 Jeli KelantanMalaysia Department of Research and Development Jeli Agricultural TechnologyPT7458 Kampung Gemang Baru17700 Ayer LanasJeli KelantanMalaysia

Agricultural wastes,including cocoa pod husk(waste from the chocolate industry)and sugarcane bagasse(waste from the sugar industry),are increasing day by *** development of food packaging biofilms from these two wastes could be beneficial to the environment and ***,this study was conducted to develop biodegradable plastic films by using cocoa pod husk and sugarcane *** and fibre were extracted from cocoa pod husk and sugar-cane bagasse,*** developed bioplastic films were divided into several concentration ratios of cellulose and fibre which are 100꞉0(100%cellulose),75꞉25(cellulose꞉fibre),50꞉50(cel-lulose꞉fibre),25꞉75(cellulose꞉fibre),and 0꞉100(100%fibre).The physicochemical properties for all bioplastic concentration ratios were determined in terms of sensory evaluation,drying time,moisture content,water absorption and water vapor *** the observation and anal-ysis of the physicochemical properties of bioplastic,we found that the most suitable bioplastic film for food packaging goes to the combination of 75%cellulose and 25%fibre bioplastic,as it demonstrated the lowest water absorption percentage and water vapor permeability.

关键词： Agricultural waste Cocoa pod husk Sugarcane bagasse Bioplastic film Water absorption Moisture content

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Roles of phosphatidylinositol-3-kinases signaling pathway in inflammation-related cancer:Impact of rs10889677 variant and buparlisib in colitis-associated cancer

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World Journal of Gastroenterology 2023年第40期29卷 5543-5556页

作者： nurul Nadirah Razali Raja Affendi Raja Ali Khairul Najmi Muhammad Nawawi Azyani Yahaya norshafila Diana mohd Rathi norfilza mohd Mokhtar Department of Physiology Faculty of MedicineUniversiti Kebangsaan MalaysiaCheras 56000Kuala LumpurMalaysia School of Medical and Life Sciences Sunway UniversitySunway City 47500Malaysia GUT Research Group Faculty of MedicineUniversiti Kebangsaan MalaysiaCheras 56000Kuala LumpurMalaysia Gastroenterology Unit Department of MedicineFaculty of MedicineUniversiti Kebangsaan MalaysiaCheras 56000Kuala LumpurMalaysia Department of Pathology Faculty of MedicineUniversiti Kebangsaan MalaysiaCheras 56000Kuala LumpurMalaysia

BACKGROUND Phosphatidylinositol-3-kinases(PI3K)is a well-known route in inflammationrelated *** discovery on PI3K-related genes revealed a potential variant that links ulcerative colitis(UC)and colorectal cancer(CRC)with colitisassociated cancer(CAC).PI3K/AKT pathway has been recommended as a potential additional therapeutic option for CRC due to its substantial role in modifying cellular *** is a pan-class I PI3K inhibitor previously shown to reduce tumor *** To investigate the regulation of rs10889677 and the role of buparlisib in the PI3K signaling pathway in CAC *** Genomic DNA from 32 colonic samples,including CAC(n=7),UC(n=10)and CRC(n=15),was sequenced for the rs10889677 *** mutant and wildtype fragments were amplified and cloned in the pmirGLO *** luciferase activity of cloned vectors was assessed after transfection into the HT29 cell *** mice were induced by a mixture of a single azoxymethane injection and three cycles of dextran sulphate sodium,then buparlisib was administered after 14 *** excised colon was subjected to immunohistochemistry for Ki67 and Cleaved-caspase-3 markers and quantitative real-time polymerase chain reaction analysis for Pdk1 and *** Luciferase activity decreased by 2.07-fold in the rs10889677 mutant,confirming the hypothesis that the variant disrupted miRNA binding sites,which led to an increase in IL23R expression and the activation of the PI3K signaling ***,CAC-induced mice had a significantly higher disease activity index(P<0.05).Buparlisib treatment significantly decreased mean weight loss in CAC-induced mice(P<0.05),reduced the percentage of proliferating cells by 5%,and increased the number of apoptotic *** treatment also caused a downward trend of Pdk1 expression and significantly decreased Sgk2 *** Our findings suggested that the rs10889677 variant as a critical initiator of the PI3K signaling pathway,an

关键词： Colitis-associated cancer Colorectal cancer Phosphatidylinositol 3-kinase Animal model Luciferases Renilla Phosphatidylinositol 3-kinase inhibitor

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The effect of nanosilica sizes in the presence of nonionic TX100 surfactant on CO_(2)foam flooding

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Petroleum Research 2022年第1期7卷 62-76页

作者： Suriatie Mat Yusuf Radzuan Junin mohd Akhmal Muhamad Sidek Muhammad AManan mohd Fazril Irfan Ahmad Fuad mohd Zaidi Jaafar Effah Yahya nor Roslina Rosli Department of Petroleum Engineering School of Chemical and Energy EngineeringFaculty of EngineeringUniversiti Teknologi Malaysia81310Johor BahruMalaysia Institute for Oil and Gas Universiti Teknologi Malaysia81310Johor BahruMalaysia School of Chemical Engineering College of EngineeringUniversiti Teknologi MARA40450 Shah AlamSelangorMalaysia

The aim of this research is to study the effect of hydrophilic silica nanoparticles,sizes as CO_(2) foam stabilizer in the presence of nonionic TX100 *** nanosilica sizes,15 and 70 nm,have been examined *** of TX100 on silica nanoparticles(nanosilica)was characterized by adsorption isotherm and surface tension measurement,while CO_(2) foams stability was quantified based on their foamability,foam stability,particle partitioning in the foams,and bubble *** show that direct contact of TX100 with nanosilica does altered the wettability of hydrophilic nanosilica surface,enable them to lengthen CO_(2) foams life at certain surfactant and nanoparticles *** 15 nm nanosilica,CO_(2) foam stability shows excellent performance at 0.1 and 0.5 wt%TX100 *** for 70 nm nanosilica,CO_(2) foam demonstrates longer lifetime at much lower TX100 concentration,0.01 wt%.Without the presence of TX100,CO_(2) foams exhibit undesirable lifetime performances for both nanosilica *** partitioning in CO_(2) foams structures demonstrate consistent relation with contact angle *** bubble sizes shows insignificant effect on CO_(2) foams *** the assists of nanosilica and TX100,enhanced oil recovery via CO_(2) foam injection succeeds in increasing oil production by 13e22%of original oil-in-place(OOIP).

关键词： Nanoparticle sizes Adsorption Nonionic surfactant TX100 surfactant Foamability CO_(2)foam stability CO_(2)foam flooding EOR

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Influence of urban air pollution on the population in the Klang Valley,Malaysia:a spatial approach

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Ecological Processes 2022年第1期11卷 126-141页

作者： Siti Haslina mohd Shafie Mastura Mahmud Suzani Mohamad nor Lita Fadilah Rameli Ramdzani Abdullah Ahmad Fariz Mohamed Centre for Research in Development Social and Environment(SEEDS)Faculty of Social Sciences and HumanitiesUniversiti Kebangsaan MalaysiaBangiSelangorMalaysia Department of Environment Faculty of Forestry and Envi-ronmentUniversiti Putra MalaysiaSerdangSelangorMalaysia Institute for Environment and Development(LESTARI) Universiti Kebangsaan MalaysiaBangiSelangorMalaysia.

Background:Urban air pollution resulting from economic growth as well as urbanization impacts the health of *** study aims to examine the spatial distribution of particulate matter(PM_(10))and the risk of exposure for the population in the Klang Valley,an urban conglomeration centred in Kuala Lumpur,***:The inverse distance weighted(IDW)interpolation technique in the ArcGIS platform was used to map the air quality from five air monitoring *** statistics of the Global Moran’s I Spatial Autocorrelation and Optimized Hot Spot Analysis were used to estimate the spatial clustering of PM_(10).The population-weighted exposure level(PWEL)technique was used to calculate the population density susceptible to PM_(10)and the AirQ+model was applied to estimate the proportion of the adult population at risk of chronic bronchitis due to long-term exposure to PM_(10)concentrations in the Klang ***:The highest annual mean PM_(10)concentrations at the Klang station ranged between 80 and 100μg/m^(3)from 2000 to 2009 and exceeded the New Malaysia Ambient Air Quality Standard(NMAAQS)and the World Health Organi-zation Air Quality Guidelines(WHOAQG)levels of 40 and 20μg/m^(3),*** Moran’s I results indicated that the statistically significant clusters of high PM_(10)in Klang present a health risk to the local *** PWEL results showed that levels of PM_(10)in Petaling Jaya exceeded the WHOAQG limits,potentially posing a health risk to the high-density *** AirQ+model found Klang to be a significantly high-risk area for chronic bronchitis among the adult population with 804,240 people(with a relative risk of 1.85)in ***:These high-risk values are due to rapid urbanization and high motor vehicle usage in the Klang Valley and therefore the impact of PM_(10)on the population needs to be *** situation should be taken seriously by the Department of Environment and Kuala Lumpur City Hall in addre

关键词： Population Urban air pollution Spatial distribution PM_(10) Adult chronic bronchitis risk

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Chicken Eggshell as an Innovative Bioflocculant in Harvesting Biofloc for Aquaculture Wastewater Treatment

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Journal of Renewable Materials 2023年第5期11卷 2321-2332页

作者： Hajjar Hartini Wan Jusoh nor Azman Kasan Hidayah Manan Nurfarahana mohd Nasir Fareza Hanis mohd Yunos Sofiah Hamzah Ahmad Jusoh Faculty of Ocean Engineering Technology and Informatics Universiti Malaysia TerengganuKuala NerusTerengganu21030Malaysia Institute of Tropical Aquaculture and Fisheries(AKUATROP) Universiti Malaysia TerengganuKuala NerusTerengganu21030Malaysia Faculty of Engineering Universiti Putra MalaysiaUPM SerdangSelangor Darul Ehsan43400Malaysia

Implementation of biofloc technology(BFT)system in aquaculture industry shows high productivity,low feed conversion ratio,and an optimum culture *** study was divided into two *** first phase involved maintaining the water quality using the optimum carbon-to-nitrogen ratio by manipulating pH in culture *** second phase examined the performance of harvesting biofloc(remaining phytoplankton and suspended solids in the system)using chicken eggshell powder(CESP).This study showed that pH 7 to 8 were the best biofloc performance with high removal percentage of ammonia(>99%)with a remaining ammonia concentration of 0.016 mg L^(−1)and 0.018 mg L^(−1),*** second phase of this study was performed to determine the optimal formulation and conditions of using CESP as a bio-flocculant in harvesting excess *** use of eggshell showed a higher harvesting efficiency of more than 80%under the following treatment conditions:0.25 g L^(−1)of eggshell dosage;with rapid and slow mixing rates of 150 and 30 rpm,respectively;30 min of settling time;settling velocity of 0.39 mm s^(−1)and pH of 6 to ***,the results indicated that biofloc would be the best green technology approach for sustainable aquaculture wastewater and the CESP is an organic matrix that environmental-friendly bio-coagulant for biofloc harvesting.

关键词： Chicken eggshell aquaculture biofloc coagulant water quality harvesting

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Cardiovascular Disease Prediction Among the Malaysian Cohort Participants Using Electrocardiogram

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Computers, Materials & Continua 2022年第4期71卷 1111-1132页

作者： mohd Zubir Suboh Nazrul Anuar Nayan noraidatulakma Abdullah nurul Ain Mhd Yusof Mariatul Akma Hamid Azwa Shawani Kamalul Arinfin Syakila mohd Abd Daud mohd Arman Kamaruddin Rosmina Jaafar Rahman Jamal Faculty of Engineering and Built Environment Universiti Kebangsaan MalaysiaBangi43600Malaysia Medical Engineering Technology Section Universiti Kuala Lumpur British Malaysian InstituteGombak53100Malaysia Institut Islam Hadhari Universiti Kebangsaan MalaysiaBangi43600Malaysia UKM Medical Molecular Biology Institute(UMBI) Kuala Lumpur56000Malaysia Faculty of Health Sciences Universiti Kebangsaan MalaysiaBangi43600Malaysia

A comprehensive study was conducted to differentiate cardiovascular disease (CVD) subjects from non-CVD subjects using short recording electrocardiogram (ECG) of 244 Malaysian adults in The MalaysianCohort project. An automated peak detection algorithm to detect nine fiducialpoints of electrocardiogram (ECG) was developed. Forty-eight features wereextracted in both time and frequency domains, including statistical featuresobtained from heart rate variability and Poincare plot analysis. These includefive new features derived from spectrum counts of five different frequencyranges. Feature selection was then made based on p-value and correlationmatrix. Selected features were used as input for five classifiers of artificialneural network (ANN), k-nearest neighbors (kNN), support vector machine(SVM), discriminant analysis (DA), and decision tree (DT). Results showedthat six features related to T wave were statistically significant in distinguishingCVD and non-CVD groups. ANN had performed the best with 94.44% specificity and 86.3% accuracy, followed by kNN with 80.56% specificity, 86.49%sensitivity and 83.56% accuracy. The novelties of this study were in providingalternative solutions to detect P-onset, P-offset, T-offset as well as QRS-onsetpoints using discrete wavelet transform method. Additionally, two out of thefive newly proposed spectral features were significant in differentiating bothgroups, at frequency ranges of 1–10 Hz and 5–10 Hz. The prediction outcomeswere also comparable to previous related studies and significantly importantin using ECG to predict cardiac-related events among CVD and non-CVDsubjects in the Malaysian population.

关键词： Cardiovascular disease ECG fiducial point detection electrocardiogram feature extraction machine learning

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