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| 1 | Review on Zinc Oxide Nanoparticles: Antibacterial Activity and Toxicity Mechanism显示文摘Antibacterial activity of zinc oxide nanoparticles(Zn O-NPs) has received significant interest worldwide particularly by the implementation of nanotechnology to synthesize particles in the nanometer region. Many microorganisms exist in the range from hundreds of nanometers to tens of micrometers. Zn O-NPs exhibit attractive antibacterial properties due to increased specific surface area as the reduced particle size leading to enhanced particle surface reactivity. Zn O is a bio-safe material that possesses photo-oxidizing and photocatalysis impacts on chemical and biological species. This review covered Zn O-NPs antibacterial activity including testing methods, impact of UV illumination, Zn O particle properties(size, concentration, morphology, and defects), particle surface modification, and minimum inhibitory concentration. Particular emphasize was given to bactericidal and bacteriostatic mechanisms with focus on generation of reactive oxygen species(ROS) including hydrogen peroxide(H2O2), OH-(hydroxyl radicals), and O2-2(peroxide). ROS has been a major factor for several mechanisms including cell wall damage due to Zn O-localized interaction, enhanced membrane permeability, internalization of NPs due to loss of proton motive force and uptake of toxic dissolved zinc ions.These have led to mitochondria weakness, intracellular outflow, and release in gene expression of oxidative stress which caused eventual cell growth inhibition and cell death. In some cases, enhanced antibacterial activity can be attributed to surface defects on Zn O abrasive surface texture. One functional application of the Zn O antibacterial bioactivity was discussed in food packaging industry where Zn O-NPs are used as an antibacterial agent toward foodborne diseases. Proper incorporation of Zn O-NPs into packaging materials can cause interaction with foodborne pathogens, thereby releasing NPs onto food surface where they come in contact with bad bacteria and cause the bacterial death and/or inhibition. | Amna Sirelkhatim Shahrom Mahmud Azman Seeni Noor Haida Mohamad Kaus Ling Chuo Ann Siti Khadijah Mohd Bakhori Habsah Hasan Dasmawati Mohamad | 2015 | Nano-Micro Letters2015，7，3： | 76 |
| 2 | TiC-Maraging stainless steel composite:microstructure, mechanical and wear properties显示文摘Particulate TiC reinforced 17-4PH and 465 maraging stainless steel matrix composites were processed by con- ventional powder metallurgy (P/M). TiC-maraging stainless steel composites with theoretical density >97% were produced using conventional P/M. The microstructure, and mechanical and wear properties of the composites were evaluated. The microstructure of the composites consisted of (core-rim structure) spherical and semi-spherical TiC particles depending on the wettability of the matrix with TiC particles. In TiC-maraging stainless steel composites, 465 stainless steel binder phase showed good wettability with TiC particles. Some microcracks appeared in the composites, indicating the presence of ten- sile stresses in the composites produced during sintering. The typical properties, hardness, and bend strength were reported for the composites. After heat treatment and aging, an increase in hardness was observed. The increase in hardness was at- tributed to the aging reaction in maraging stainless steel. The specific wear behavior of the composites strongly depends on the content of TiC particles and their interparticle spacing, and on the heat treatment of the maraging stainless steel. | Akhtar Farid Khadijah Ali Shah Syed Javid Askari | 2006 | Rare Metals2006，25，6： | 6 |
| 3 | Effects of Sialic Acid from Edible Bird Nest on Cell Viability Associated with Brain Cognitive Performance in Mice显示文摘Background:Edible bird nest(EBN)is a natural food product rich in glycoprotein such as sialic acid,which has been reported to improve brain functions.The EBN is widely consumed due to its higher nutritional contents and antioxidant status;however,an interaction of EBN on brain cell metabolic activity and viability are still unclear.Objective:The objectives of this study were to identify the effect of sialic acid from EBN on the cell viability and to determine the appropriate concentration of sialic acid on cognitive performance in mice.Materials and Methods:The viability of pheochromocytoma and neuroblastoma cell lines were tested using the 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide assay.For in vivo study,7-week-old female BALB/c mice were randomly assigned into four treatment groups and were treated with sialic acid for 21 days.At day 22,all mice were tested on cognitive performance by Y-maze test.Results:Treatment concentration of sialic acid extract and sialic acid standard at 60μg/mL(0.6 ppm)increased cell viability and showed no cytotoxicity effects in pheochromocytoma and neuroblastoma cell lines.In addition,an administration of higher dose of sialic acid at 0.6 ppm in animals improved Y-maze test performance,which they showed significantly higher number of entries and time spent in the novel arm.Conclusion:Thus,the current study shows that the sialic acid extract at 0.6 ppm improved brain cognitive performance in mice associated with an increased viability of pheochromocytoma and neuroblastoma cell lines. | Siti Khadijah Abdul Khalid Aswir Abd Rashed Saleha Abdul Aziz Hafandi Ahmad | 2019 | World Journal of Traditional Chinese Medicine2019，5，4： | 3 |
| 4 | The medicinal applications of imidazolium carbene metal complexes显示文摘 | Hindi Khadijah M Panzner Matthew J Tessier Claire A | 2009 | Chem Rev2009，109，8： | 1 |
| 5 | Environmental disclosure and per-formance reporting in Malaysia显示文摘 | Smith M Khadijah Y | 2007 | Asian Review of Ac-counting2007，15，2： | 1 |
| 6 | The impact of work family conflict on psy- chological well-being among school teachers in Malaysia 显示文摘 | Siti Aisyah Binti Panatik Siti Khadijah Zainal Badri Az- izah Rajab | 2011 | Procedia Soc Behav Sci2011，29，： | 1 |
| 7 | Microstructure, mechanical properties, electrical conductivity and wear behavior of high volume TiC reinforced Cu-matrix composites显示文摘 | Farid Akhtar Syed Javid Askari Khadijah Ali Shah Xueli Du Shiju Guo | 2008 | Materials Characterization2008，，4： | 1 |
| 8 | Environmental disclosure and performance reporting in malaysia 显示文摘 | Smith M Khadijah Y | 2007 | Asian Review of Accounting2007，15，2： | 1 |
| 9 | Identification of white spot syndrome virus latency-related genes in specific-pathogen-free shrimps by use of a microarray显示文摘 | Khadijah S Neo S Y Hossain M S | 2003 | Virol2003，77，10： | 1 |
| 10 | Preparation and Characterization of Molecularly Imprinted Polymer as SPE Sorbent for Melamine Isolation显示文摘 | Nor Azah Yusof Siti Khadijah Ab Rahman Mohd Zobir Hussein | 2013 | Polymers2013，，5： | 1 |
| 11 | Temperature effect on the corrosion and passivation characterization of Ni_(82.3)Cr_7Fe_3Si_(4.5)B_(3.2) alloy in acidic media显示文摘The effects of temperature on corrosion and the electrochemical behavior of Ni_(82.3)Cr_7Fe_3Si_(4.5)B_(3.2) glassy alloy in HC1,H_2SO_4,and H_3PO_4 acids were studied using AC and DC techniques.Impedance data reveal that the susceptibility to localized corrosion increases with increasing temperature.Potentiodynamic polarization curves reveal that the bulk glassy alloy is spontaneously passivated at all the investigated temperature in H_2SO_4 and H_3PO_4 solutions.A localized corrosion effect in HCl solution is clearly observed.The apparent activation energies in the regions of Tafel,active,and passive,as well as the enthalpies and entropies of the dissolution process were determined and discussed.The high apparent activation energy(E_a) value for H_3PO_4 solution in Tafel region is explained by the low aggressivity of PO_4^(3-) ions. | Khadijah M.Emran Sanaa T.Arab Aisha M.Al-Turkustani Hamad A.Al-Turaif | 2016 | International Journal of Minerals,Metallurgy and Materials2016，23，2： | 1 |
| 12 | The cellular RNA helicase DDX1 interacts with coronavirus nonstructural protein 14and enhances viral replication显示文摘 | Xu L Khadijah S Fang S | | 0，，17： | 1 |
| 13 | TheImpact of Work Family Conflict on Psychological Well-Beingamong School Teachers in Malaysia显示文摘 | Siti Aisyah Binti Panatik& Siti Khadijah Zainal Badri | 2011 | Procedia - Social andBehavioral Sciences2011，，29： | 1 |
| 14 | Hemostasis in Pre-Eclampsia显示文摘 | Siti Khadijah Ismail John Higgins | 2011 | Semin Thromb Hemost2011，，02： | 1 |
| 15 | Manan,Small and Medium Enterprises and Their Financing Patterns:Evidence from Malaysia显示文摘 | Moha Asri Abdullah Siti Khadijah Ab | 2011 | Journal of Economic Cooperation and Development2011，322，： | 1 |
| 16 | Identification of White Spot Syndrome Virus Latency-Related Genes in Specific-Pathogen- Free Shrimps by Use of Microarray显示文摘 | Khadijah S Neo S Y Hossain M S | 2003 | J Viro2003，77，： | 1 |
| 17 | Effective dose and adverse effects of maintenance Bacillus Calmette-Gue'Rin in intermediate and high risk non-muscle invasive bladder cancer: a recta-analysis of randomized clinical trial显示文摘 | ASTRAM A KHADIJAH A YURI P | 2014 | Acta Med Indones2014，46，29： | 1 |
| 18 | Genetic population structure of red snapper(Lutjanus malabaricus)and orange-spotted grouper(Epinephelus coiodes)in Brunei and Sabah显示文摘The genetic population structure of red snapper Lutjanus malabaricus and orange-spotted grouper Epinepheluscoiodes in Brunei and Sabah was investigated using allozyme electrophoresis. Samples were collected from threesites in Brunei for E. coiodes and from three sites in Brunei and Sabah for L. malabaricus. A total of 22 loci and 16loci were scored, respectively. The index of fixation (FST) for the E. coiodes population was 0.176 but, in general, itlacked within-population structuring. The FST was particularly high between Brunei Bay/Jerudong and Brunei Bay/Kuala Belait, suggesting genetic subdivision on a small spatial scale. Isolation of Brunei Bay from the South ChinaSea may constrain the movement of adult fishes and larval dispersal, thereby reducing homogeneity amongsubpopulations. All variable loci for E. coiodes were in Hardy–Weinberg equilibrium except for MDH* and GTDHP*(P < 0.01), in which two subpopulations showed an excess of heterozygotes (P < 0.01). The study on the L.malabaricus population showed a heterozygote deficit of approximately 60% in variable loci (FIS, genetic variationwithin population = 0.45;P < 0.05);however, the mean observed heterozygosity for the population far exceeded L.malabaricus populations in Australia and Indonesia. A FST value of 0.076 revealed moderate genetic differentiationamong subpopulations of L. malabaricus. The genotypes were likely to be drawn from the same distribution inJerudong and Kuala Belait. This study infers that sustainable management of snapper and grouper resources inBrunei waters must take into account the presence of a single stock and two stocks, respectively. | Zohrah H.SULAIMAN Khadijah H.ABDUL RAHMAN Teo Y.YING Hussein H.TAHA NurQistina H.MUHD TAHA | 2008 | Integrative Zoology2008，3，3： | 0 |
| 19 | Holographic fabrication of octagon graded photonic supercrystal and potential applications in topological photonics显示文摘Novel optical properties in graded photonic super-crystals can be further explored if new types of graded photonic super-crystals are fabricated.In this paper,we report holographic fabrication of graded photonic super-crystal with eight graded lattice clusters surrounding the central non-gradient lattices through pixel-by-pixel phase engineering in a spatial light modulator.The prospect of applications of octagon graded photonic super-crystal in topological photonics is discussed through photonic band gap engineering and coupled ring resonators. | Oliver SALE Safaa HASSAN Noah HURLEY Khadijah ALNASSER Usha PHILIPOSE Hualiang ZHANG Yuankun LIN | 2020 | Frontiers of Optoelectronics2020，13，1： | 0 |
| 20 | Feature-Limited Prediction on the UCI Heart Disease Dataset显示文摘Heart diseases are the undisputed leading causes of death globally.Unfortunately,the conventional approach of relying solely on the patient’s medical history is not enough to reliably diagnose heart issues.Several potentially indicative factors exist,such as abnormal pulse rate,high blood pressure,diabetes,high cholesterol,etc.Manually analyzing these health signals’interactions is challenging and requires years of medical training and experience.Therefore,this work aims to harness machine learning techniques that have proved helpful for data-driven applications in the rise of the artificial intelligence era.More specifically,this paper builds a hybrid model as a tool for data mining algorithms like feature selection.The goal is to determine the most critical factors that play a role in discriminating patients with heart illnesses from healthy individuals.The contribution in this field is to provide the patients with accurate and timely tentative results to help prevent further complications and heart attacks using minimum information.The developed model achieves 84.24%accuracy,89.22%Recall,and 83.49%Precision using only a subset of the features. | Khadijah Mohammad Alfadli Alaa Omran Almagrabi | 2023 | Computers, Materials & Continua2023，，3： | 0 |
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