109,690 results match your criteria: "Malaysia ; Hospital Universiti Sains Malaysia[Affiliation]"

MXenes are a class of 2D transition metal carbides and nitrides (MXT) that have attracted significant interest owing to their remarkable potential in various fields. The unique combination of their excellent electromagnetic, optical, mechanical, and physical properties have extended their applications to the biological realm as well. In particular, their ultra-thin layered structure holds specific promise for diverse biomedical applications.

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Simultaneous complete oculomotor nerve palsy in herpes zoster ophthalmicus (HZO) is rare. We report a case of a 65-year-old lady who presented with a right drooping eyelid for 2 days associated with rashes over her right forehead. Examination showed crusted vesicular lesions on the right V1 dermatome with right complete ptosis, anisocoria, and limited right extraocular movement on all gazes except full movement on abduction.

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Spinal cord injuries, including rare cases without radiological abnormalities, pose diagnostic challenges, particularly in cases of delayed neurological deficit development. This case report describes a 55-year-old man with a stable L1 burst fracture who developed delayed neurological deficits two weeks after sustaining a fall despite no evidence of intrinsic or extrinsic spinal cord abnormalities on magnetic resonance imaging (MRI). The patient initially presented with back pain, normal muscle strength across all myotomes, and imaging that showed no canal stenosis or retropulsion fragments.

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Laser surface alloying of Fe, Si, and C on aluminium is demonstrated using a Q-switched Nd:YAG laser as the source of energy. The fundamental wavelength of the laser beam was 1064 nm with an output energy of 100 mJ and a pulse duration of 10 ns. The exposure was conducted in repetitive mode with a frequency rate of 1 Hz.

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We illustrate the importance of early career perspectives and diverse partnerships to develop solutions and overcome key challenges to achieve the Sustainable Development Goals.

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Exposure-response (ER) analyses are routinely performed as part of model-informed drug development to evaluate the risk-to-benefit ratio for dose selection, justification, and confirmation. For logistic regression analyses with binary endpoints, several exposure metrics are investigated, based on pharmacological plausibility, including time-averaged concentration to event (C). C is informative because it accounts for dose interruptions, modifications, and reductions and is therefore often compared against ER relationships identified using steady-state exposures.

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Mpox Virus as a Global Public Health Emergency: A Scoping Review.

Can J Infect Dis Med Microbiol

January 2025

Department of Biomedical and Clinical Sciences, Division of Molecular Medicine and Virology, Linköping University, Linköping 58183, Sweden.

The monkeypox (Mpox) virus has emerged as a global public health emergency of international concern recently. The virus that was endemic in West and Central Africa has now been reported with chains of global transmission to several countries. A scoping review was carried out from the relevant literature available from PubMed, Scopus and Web of Science.

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Investigations on two-dimensional materials for efficient carbon dioxide (CO) capture and storage have recently attracted much attention, especially in the global industrial sector. In this work, the CO uptake by three configurations of two-dimensional magnesium oxide was investigated using density functional theory. CO capture analysis was performed considering the geometrical, thermophysical, vibrational, electronic and optical properties.

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Background: Knee Osteoarthritis (KOA) is a prevalent condition worldwide, significantly diminishing quality of life and productivity. Except for the alignment change, muscle activation patterns (MAP) have garnered increasing attention as another crucial factor contributing to KOA.

Objective: This study explores the factors, characteristics, and effects of MAP changes caused by KOA, providing a neuromuscular-based causal analysis for the rehabilitation treatment of KOA.

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Background: Toxoplasmosis in pregnancy is associated with serious and irreversible maternal and fetal detrimental consequences. Also, different seroprevalence of Toxoplasma gondii in pregnancy is reported in many countries. The present systematic review and meta-analysis study aimed to determine the global seroprevalence of Toxoplasma gondii in pregnant women.

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Milk-derived extracellular vesicles and gut health.

NPJ Sci Food

January 2025

Department of Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur, Malaysia.

Milk is a nutrient-rich liquid produced by mammals, offering various health benefits due to its composition of proteins, fats, carbohydrates, vitamins, and minerals. Beyond traditional nutritional aspects, recent research has focused on extracellular vesicles (EVs) found in milk and their potential health benefits, especially for gastrointestinal (GI) health. Milk-derived EVs have been shown to influence gut microbiota, promote gut barrier integrity, support tissue repair and regeneration, modulate immune responses, and potentially aid in managing conditions like inflammatory bowel disease (IBD) and colorectal cancer.

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Meta-heuristic optimization algorithms are widely applied across various fields due to their intelligent behavior and fast convergence, but their use in optimizing engine behavior remains limited. This study addresses this gap by integrating the Design of Experiments-based Response Surface Methodology (RSM) with meta-heuristic optimization techniques to enhance engine performance and emissions characteristics using Tectona Grandi's biodiesel with Elaeocarpus Ganitrus as an additive. Advanced Machine Learning (ML) models, including Artificial Neural Networks (ANN), K-Nearest Neighbors (KNN), Extreme Gradient Boosting (XGB), and Random Trees (RT), were employed for predictive analysis, with ANN outperforming RSM in accuracy.

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Current trends and future potential in the detection of avian coronaviruses: An emphasis on sensors-based technologies.

Virology

January 2025

Biomedical Sciences and Molecular Biology, College of Medicine and Dentistry, James Cook University, Townsville, QLD, 4811, Australia; Australian Institute of Tropical Health and Medicine, James Cook University, Townsville, QLD, 4811, Australia. Electronic address:

Infectious bronchitis virus (IBV), an avian coronavirus, member of the genus Gammacoronavirus, poses significant threats to poultry health, causing severe respiratory, reproductive, and renal infections. The genetic diversity of IBV, driven by mutations, recombination and deletions, has led to the emergence of numerous serotypes and genotypes, complicating both diagnosis and control measures. Rapid and accurate diagnostic tools are essential for effective disease management and minimizing economic losses.

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Corneal Perforation Associated with Pembrolizumab - A Case Report with Literature Review.

Ocul Immunol Inflamm

January 2025

Universiti Malaya Eye Research Centre (UMERC), Department of Ophthalmology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia.

Purpose: To shed light on one of the ocular adverse effects related to pembrolizumab.

Method: Case report and literature review.

Result: A 53-year-old gentleman with underlying Stage III B renal cell carcinoma with lung metastasis and gout presented in June 2021 with bilateral red eyes following Coronavirus disease (COVID-19) vaccination.

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Objectives: The aim of this study was to develop and validate a nomogram model that predicts the risk of bone metastasis (BM) in a prostate cancer (PCa) population.

Methods: We retrospectively collected and analyzed the clinical data of patients with pathologic diagnosis of PCa from January 1, 2013 to December 31, 2022 in two hospitals in Yangzhou, China. Patients from the Affiliated Hospital of Yangzhou University were divided into a training set and patients from the Affiliated Clinical College of Traditional Chinese Medicine of Yangzhou University were divided into a validation set.

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Colorectal cancer (CRC) is the third most deadly cancer diagnosed in both men and women. 5-Fluorouracil (5-FU) treatment frequently causes the CRC cells to become chemoresistance, which has a negative impact on prognosis. Using bioinformatic techniques, this work describes important genes and biological pathways linked to 5-FU resistance in CRC cells.

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Background: Rabies is a preventable yet deadly public health threat. Despite the availability of effective vaccines for both humans and animals, the persistence of rabies-related fatalities underscores the need for enhanced public education strategies. This study aimed to develop and validate a Rabies Health Education Module delivered via a Massive Open Online Course, targeting adult dog owners in Kelantan, Malaysia.

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Optimizing environmental factors can significantly increase the growth and secondary metabolite synthesis of hydroponically grown medicinal plants. This approach can help increase the quality and quantity of pharmacologically important metabolites to enhance therapeutic needs. Medicinal plants are key therapeutic sources for treating various ailments.

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This study aimed to explore key informants' views on the potential benefits of workplace oral health promotion (WOHP) among the aged care workforce and identified factors associated with the planning and implementation of such activities. The study interviewed members of key organizations associated with the aged care workforce, including oral health and health professionals, government and non-governmental organizations, aged care providers, unions and other worker support organizations in semi-structured interviews. Interviews were audio-recorded, transcribed verbatim and analysed thematically.

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The formation of histamine in food is influenced by temperature, and histamine growth can be inhibited by maintaining a cold chain. However, simply relying on temperature control is insufficient, as certain bacteria can produce the enzyme histidine decarboxylase even at temperatures below 5°C. To address this issue, various methods, such as modified atmosphere packaging, high hydrostatic pressure, and irradiation, have been developed to control histamine in fishery products.

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Water impact analysis due to coal-electricity generation using the life cycle assessment method: a case study in Malaysia.

Water Sci Technol

January 2025

Department of Engineering, School of Engineering and Technology, Sunway University, Bandar Sunway, Petaling, Jaya 47500, Malaysia.

Coal power plants adversely impact air pollution, but they also pose a risk to our water sources. Discharge wastewater from power plants may degrade the quality of nearby water bodies. This study evaluates the potential water-related environmental impacts of electricity generation at an ultra-supercritical coal power plant in Malaysia using the life cycle assessment method.

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Background: Due to the divers biological applications of Cu(II) complexes, we in this study reports the various Cu(II) complexes. The study aims to synthesize and assess new Cu(II) complexes as powerful β-glucuronidase inhibitors.

Methods: Five Schiff base ligands and their complexes were synthesized, characterized, and screened against β-glucuronidase inhibitory activity.

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Cerebral autosomal-dominant arteriopathy, subcortical infarcts, and leukoencephalopathy (CADASIL) is the most prevalent monogenic inherited cause of cerebral small-vessel disease. Despite its prevalence, there is currently no proven therapy to prevent or reverse the progression of the disease. This study aimed to characterize the functional integrity of long white matter tracts in CADASIL transgenic mice, both with and without focal white matter lesions in the corpus callosum added on, utilizing optical resting-state functional connectivity imaging alongside behavioral examinations.

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Microlearning has become increasingly popular not only in education sector but also in corporate sector in recent years. However, its definition and didactics conceptualization, integration into instruction design, and effects on learning outcomes remain largely underexplored in terms of synthesized findings. Consequently, challenges persist in clarifying microlearning definition, and didactics, and designing effective microlearning instruction to yield improved learning outcomes.

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