48,385 results match your criteria: "Viet Nam; German Center for Infection Research DZIF[Affiliation]"

In this study, the mixture of zinc acetate dehydrates and boric acid was pyrolyzed in zeolite X to prepare novel B/ZnO/zeolite nanocomposites for the enhanced removal of tartrazine (TA) in aqueous environment. The composites are porous material with a relatively large pore size (35.3 nm).

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Study Objectives: To examine 1) multidimensional sleep profiles in pre-schoolers (3-6 years) across geocultural regions and 2) differences in sleep characteristics and family practices between Majority World regions (Pacific Islands, Sub-Saharan Africa, Eastern Europe, Northeast Asia, Southeast Asia, South Asia, the Middle East and North Africa, Latin America) and the Minority World (the Western world).

Methods: Participants were 3507 pre-schoolers from 37 countries. Nighttime sleep characteristics and nap duration (accelerometer: n=1950) and family practices (parental questionnaire) were measured.

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Courses of SARS-CoV-2 infections are highly variable, ranging from asymptomatic to lethal COVID-19. Though research has shown that host genetic factors contribute to this variability, cohort-based joint analyses of variants from the entire allelic spectrum in individuals with confirmed SARS-CoV-2 infections are still lacking. Here, we present the results of whole genome sequencing in 1,220 mainly vaccine-naïve individuals with confirmed SARS-CoV-2 infection, including 827 hospitalized COVID-19 cases.

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Rice (Oryza sativa L.) is a staple food for half of the world's population, and its biofortification is a key factor in fighting micronutrient malnutrition. However, harmful heavy metals tend to accumulate in rice grains due to soil and water contamination.

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Physics informed neural networks have been gaining popularity due to their unique ability to incorporate physics laws into data-driven models, ensuring that the predictions are not only consistent with empirical data but also align with domain-specific knowledge in the form of physics equations. The integration of physics principles enables the method to require less data while maintaining the robustness of deep learning in modelling complex dynamical systems. However, current PINN frameworks are not sufficiently mature for real-world ODE systems, especially those with extreme multi-scale behavior such as mosquito population dynamical modelling.

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Objective: Meropenem degradation poses a challenge to continuous infusion (CI) implementation. However, data about the impact of degradation on the probability of target attainment (PTA) of meropenem has been limited. This study evaluated the stability of meropenem brands and the consequence of in-bottle degradation on PTA in different environmental scenarios.

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Mapping of high-resolution daily particulate matter (PM) concentration at the city level through a machine learning-based downscaling approach.

Environ Monit Assess

December 2024

Faculty of Information Technology, University of Engineering and Technology, Vietnam National University Hanoi, E3 Building, 144 Xuan Thuy Street, Dich Vong Hau Ward, Cau Giay District, Ha Noi, 100000, Vietnam.

PM pollution is a major global concern, especially in Vietnam, due to its harmful effects on health and the environment. Monitoring local PM levels is crucial for assessing air quality. However, Vietnam's state-of-the-art (SOTA) dataset with a 3 km resolution needs to be revised to depict spatial variation in smaller regions accurately.

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Management of adult sepsis in resource-limited settings: global expert consensus statements using a Delphi method.

Intensive Care Med

December 2024

Department of Anaesthesiology, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, Maharashtra, India.

Purpose: To generate consensus and provide expert clinical practice statements for the management of adult sepsis in resource-limited settings.

Methods: An international multidisciplinary Steering Committee with expertise in sepsis management and including a Delphi methodologist was convened by the Asia Pacific Sepsis Alliance (APSA). The committee selected an international panel of clinicians and researchers with expertise in sepsis management.

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The absence of intrinsic magnetism in two-dimensional (2D) materials demands functionalization as necessary for broadening their applications. In this work, doping with transition metals (Mn and Fe) is proposed to modify the electronic and magnetic properties of a GeS monolayer. A pristine monolayer is an indirect gap semiconductor with an energy gap of 0.

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Ritonavir (RTV) is a potent CYP3A inhibitor that is widely used as a pharmacokinetic (PK) enhancer to increase exposure to select protease inhibitors. However, as a strong and complex perpetrator of CYP3A interactions, RTV can also enhance the exposure of other co-administered CYP3A substrates, potentially causing toxicity. Therefore, the prediction of drug-drug interactions (DDIs) and estimation of dosing requirements for concomitantly administered drugs is imperative.

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is a human pathogen responsible for a variety of diseases, from skin, soft tissue, and lung infections to severe cases such as meningitis, infective endocarditis, and bacteremia. The high level of antibiotic resistance in these pathogens, exemplified by methicillin-resistant (MRSA), necessitates the development of effective antibiotics. Thus, this work introduced the chemical synthesis of ethyl 3,5-dibromoorsellinate, a derivative of ethyl orsellinate from the lichen mycobiont of , and its effectiveness against MRSA was assessed.

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Forty-eight stable structures of complexes formed between XCHZ and RCZOH (with X = H, F; R = H, F, Cl, Br, CH, NH; Z = O, S, Se, Te) were comprehensively investigated. It was found that the HZ-RZ complexes were more stable than the FZ-RZ ones, and their stability tendency decreased in the following order of Z: O > S > Se > Te. A predominant role of the electrostatic component was observed in XO-RO, while an outstanding contribution of the induction term was estimated in XS-RS, XSe-RSe, and XTe-RTe.

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Small cell lung cancer (SCLC) is a common type of primary lung cancer that contributes to approximately 15% of cases. It is closely associated with tobacco risk factors. It is also known as a type of lung cancer that has a high mortality rate within a short time due to its rapid growth rate (with tumor doubling time of 30 days) and its tendency to metastasize early in the disease process.

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This article explores the integration of Eastern and Western perspectives on the use of dexamethasone and N-acetylcysteine as premedications in transarterial chemoembolization for hepatocellular carcinoma (HCC). By examining key concerns raised by Western researchers, particularly regarding the different etiologies of liver cirrhosis, and contrasting them with robust clinical data from Asia, this article highlights the necessity for region-specific research and proposes future directions for global HCC management.

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Background: The COVID-19 pandemic disproportionately affected migrant populations in Japan, including Vietnamese migrants, who faced distinct challenges in accessing healthcare compared to native Japanese citizens. These challenges, exacerbated by the structural complexities of Japan's healthcare system during the pandemic, likely influenced their subjective health perceptions. Nevertheless, studies on Vietnamese migrants' difficulties in healthcare access during the pandemic and their perceived health perceptions are lacking.

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Crystal structures and photophysical properties of mono- and dinuclear Zn complexes flanked by tri-ethyl-ammonium.

Acta Crystallogr E Crystallogr Commun

October 2024

Department of Chemistry, KU Leuven, Biomolecular Architecture, Celestijnenlaan 200F, Leuven (Heverlee), B-3001, Belgium.

Two new zinc(II) complexes, tri-ethyl-ammonium di-chlorido-[2-(4-nitro-phen-yl)-4-phenyl-quinolin-8-olato]zinc(II), (CHN){Zn(CHNO)Cl] (), and bis-(tri-ethyl-ammonium) {2,2'-[1,4-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}bis-[di-chlorido-zinc(II)], (CHN)[Zn(CHNO)Cl] (), were synthesized and their structures were determined using ESI-MS spectrometry, H NMR spectroscopy, and single-crystal X-ray diffraction. The results showed that the ligands 2-(4-nitro-phen-yl)-4-phenyl-quinolin-8-ol () and ,'-bis-(2-hy-droxy-benzyl-idene)benzene-1,4-di-amine () were deprotonated by tri-ethyl-amine, forming the counter-ion EtNH, which inter-acts an N-H⋯O hydrogen bond with the ligand. The Zn atoms have a distorted trigonal-pyramidal () and distorted tetra-hedral () geometries with a coord-ination number of four, coordinating with the ligands N and O atoms.

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The evidence to date still favors anterior cruciate ligament (ACL) reconstruction over anterior cruciate ligament repair because ACL repair has a higher failure rate. However, there has recently been a resurgence of interest in primary ACL repair that has the potential to preserve its native tissue and improve its function. This Technical Note describes a double-bundle arthroscopic ACL repair combined with a modified Lemaire procedure.

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This study conducts a rigorous comparative analysis between two cutting-edge instance segmentation methods, Mask R-CNN and YOLOv8, focusing on stomata pore analysis. A novel dataset specifically tailored for stomata pore instance segmentation, named PhenomicsStomata, was introduced. This dataset posed challenges such as low resolution and image imperfections, prompting the application of advanced preprocessing techniques, including image enhancement using the Lucy-Richardson Algorithm.

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Induction of Oral Lichen Planus-like Histopathology in Mice.

J Dent Res

December 2024

Department of Immunology and Molecular Microbiology in Dental Science, Seoul National University School of Dentistry, Seoul, Republic of Korea.

Oral lichen planus (OLP) is a chronic T cell-mediated inflammatory mucosal disease of unknown etiology. The lack of suitable animal models has hampered understanding of its etiopathogenesis. This study aimed to clarify the contribution of bacterial infection and zinc deficiency (ZD) in OLP pathogenesis by developing a murine model.

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Transdermal drug delivery presents numerous advantages over conventional administration routes, including non-invasiveness, enhanced patient adherence, circumvention of hepatic first-pass metabolism, self-administration capabilities, controlled release, and increased bioavailability. Nevertheless, the barrier function of stratum corneum limits this strategy to molecules possessing requisite physicochemical attributes. To expand the field of transdermal delivery, researchers have pioneered physical enhancement techniques, with micron-sized needles emerging as a particularly promising platform for the transdermal and intradermal delivery of therapeutic agents across a spectrum of molecular sizes.

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Influence of UV wavelength variations on tetracycline adsorption by polyethylene microplastics in aquatic environments.

Sci Total Environ

January 2025

Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan. Electronic address:

The effect of ultraviolet (UV) light on structural changes is a significant concern, particularly regarding the weathering and aging effects on microplastics (MPs). This research focused on examining how various UV light wavelengths (UVC, UVB, and UVA) influence the adsorption behavior of aged polyethylene (PE) MPs toward tetracycline (TC). To explore the adsorption mechanism in detail, adsorption kinetics were studied under different UV light wavelengths.

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Historical trends of metals and metalloids into lake and coastal sediments of Halong Bay (Vietnam).

Mar Pollut Bull

December 2024

Aix Marseille University, Université de Toulon, CNRS, IRD, MIO UM110, 13288 Marseille, France; Department Water-Environment-Oceanography, University of Science and Technology of Hanoi (USTH), Vietnamese Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Hanoi 100000, Viet Nam; IRD, Chulalongkorn University, 254 Henri Dunant Road, Pathumwan, 10330 Bangkok, Thailand.

Article Synopsis
  • Halong Bay in northern Vietnam is experiencing significant environmental impact from human activities, specifically from metals and metalloids used as indicators for tracing anthropogenic contributions.
  • Two sediment cores, one from coastal waters and another from a small isolated lake, revealed that the coastal site (HL) had a much higher accumulation rate than the lake site (HT).
  • Key findings indicate that the coastal waters are heavily influenced by the Red River drainage, with particular historical pollution spikes linked to significant events like the Indochina War and various regional flooding incidents.
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We assessed the efficacy of deep anterior lamellar keratoplasty (DALK) and penetrating (PK) for macular corneal dystrophy (MCD) We searched on 4 databases for articles published up to the end of April, 2024. The study's outcome was postoperative visual acuity and other factors that may affect visual outcomes (e.g.

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Background: SARS-CoV-2 has been associated with a higher proportion of asymptomatic infections and lower mortality in sub-Saharan Africa than high-income countries. However, there is currently a lack of data on cellular immune responses to SARS-CoV-2 in people living in Africa compared with people in high-income regions of the world. We aimed to assess geographical variation in peripheral and mucosal immune responses.

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Effectiveness of neoadjuvant chemotherapy with a docetaxel, cisplatin, and S-1 (DCS) regimen for T4b gastric cancer.

World J Surg Oncol

December 2024

Department of Gastro-intestinal Surgery, University Medical Center, University of Medicine and Pharmacy at Ho Chi Minh City, 215 Hong Bang, Ward 11, District 5, Ho Chi Minh City, Vietnam.

Article Synopsis
  • * Out of 43 patients, 88.4% completed the chemotherapy, achieving an 88.4% disease-control rate and 58.1% clinical response rate, with a significant portion undergoing successful surgery.
  • * The treatment showed a high tolerance and resulted in notable survival rates, with a 3-year overall survival (OS) of 49% and disease-free survival (DFS) of 38%, indicating it could be a promising option for T4b gastric cancer.
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