48,044 results match your criteria: "Viet Nam; Institute of Applied Materials Science[Affiliation]"

Over the last 20 years, we have dramatically improved hydrometeorological data including isotopes, but are we making the most of this data? Stable isotopes of oxygen and hydrogen in the water molecule (stable water isotopes - SWI) are well known tracers of the global hydrological cycle producing critical climate science. Despite this, stable water isotopes are not explicitly included in influential climate reports (e.g.

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Do renewable energy policies exacerbate corporate information uncertainty?

J Environ Manage

January 2025

The Business School, RMIT University, Viet Nam. Electronic address:

This study analyzes the impact of state-level renewable energy policies and incentives on the corporate information environment in the US. It considers these renewable energy policies and incentives as exogenous measures of firm-level renewable energy exposure. The findings indicate that such policies and incentives significantly increase firms' adoption of renewable energy, confirming their suitability as proxies for external shocks.

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Development and industrial application of geographical origin identification for Taiwanese oolong tea.

J Food Drug Anal

December 2024

Tea and Beverage Research Station (TBRS), No.324, Chung-Hsing RD., Yangmei, Taoyuan City 326011, Taiwan, R.O.C.

Taiwanese oolong tea is renowned for its excellent quality and enjoys a prestigious reputation both domestically and internationally. In recent years, there has been an issue with imported Taiwanese-style oolong tea being sold as genuine Taiwanese oolong tea, which has adversely affected the brand value of Taiwanese oolong tea. In this study, samples of domestic oolong tea (Taiwanese oolong tea) and Taiwanese-style oolong tea produced abroad (including China, Vietnam, Indonesia, Thailand, etc.

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Implantable systems with chronic stability, high sensing performance, and extensive spatial-temporal resolution are a growing focus for monitoring and treating several diseases such as epilepsy, Parkinson's disease, chronic pain, and cardiac arrhythmias. These systems demand exceptional bendability, scalable size, durable electrode materials, and well-encapsulated metal interconnects. However, existing chronic implantable bioelectronic systems largely rely on materials prone to corrosion in biofluids, such as silicon nanomembranes or metals.

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Basic Science and Pathogenesis.

Alzheimers Dement

December 2024

Centre for Healthy Brain Ageing (CHeBA), University of New South Wales, UNSW Sydney, NSW, Australia.

Background: Subjective Cognitive Complaints (SCCs) can often precede mild cognitive impairment and dementia longitudinally. While increasingly considered an early prodromal stage of dementia, SCCs can also be a symptom of depression. Previous research found that SCCs in the absence of cognitive impairment, controlling for symptoms of depression, were moderately heritable and genetically associated with memory.

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Profile of snakebite cases admitted to the Poison Control Center of Bach Mai Hospital in northern Vietnam from 2008 to 2020.

Trans R Soc Trop Med Hyg

January 2025

Immunogenomic Lab, Institute of Genome Research, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet Road, Hanoi 10072, Vietnam.

Background: Vietnam harbours a high species richness of venomous snakes with >60 recognised species but snakebite pathology and treatment are still understudied, particularly in northern Vietnam.

Methods: A retrospective study from 2008 to 2020 was conducted, focusing on snakebite cases at the Poison Control Center of Bach Mai Hospital, a major centre in northern Vietnam for treating envenoming incidents.

Results: A total of 5805 snakebite cases were reported over 12 y.

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Objective: Hepatocellular carcinoma (HCC) is a significant cause of morbidity and mortality worldwide. This study aims to comprehensively evaluate the prognostic factors influencing survival in patients diagnosed with HCC.

Patients And Methods: This is a cross-sectional study aimed at identifying prognostic factors in HCC using Cox regression and Kaplan-Meier analysis.

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Background: Fractures of the long bones in the lower limbs are injuries that cause severe to extremely severe pain, posing risks to the patient's circulation, respiration, and even life. Pain management for patients with lower limb long bone fractures in the emergency department is critically important.

Objective: This study aimed to evaluate the feasibility of ultrasound-guided femoral and sciatic nerve blocks in patients with lower limb long bone fractures in the emergency department (ED).

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Background: The Pectus carinatum is an outward protrusion deformity of the sternum and adjacent costal cartilages. It is the second most common congenital deformity of the anterior chest wall, commonly occuring in adolescents.

Objective: The aim of this study was to evaluate thoracic morphological changes using computed tomography (CT) imaging in patients with pectus carinatum treated via the modified Abramson technique at Viet Duc University Hospital from 2020 to 2023.

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Background: Evaluating the Health-Related Quality of Life (HRQoL) in patients with hypertension and diabetes is vital for improving treatment adherence and outcomes.

Objective: This study assessed HRQoL and its influencing factors among patients with both type 2 diabetes mellitus and hypertension at Can Tho Hospital, Vietnam.

Methods: A cross-sectional study was performed on 310 outpatients at the polyclinic, using the Short Form-36 Health Survey (SF-36) between July 2021 and July 2022.

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This study aims to evaluate the impact of factors representing the Board of Directors (BOD) and Audit Committee (AC) on financial information transparency (FIT) in a frontier market. FIT is measured through three indicators that reflect financial non-transparency: earnings aggressiveness (EA), earnings smoothing (ES) and loss avoidance (LA). Research data was collected from 338 companies listed on the Vietnam Stock Exchange (HOSE and HNX) from 2012 to 2022.

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Background: Multi-cancer early detection (MCED) through a single blood test significantly advances cancer diagnosis. However, most MCED tests rely on a single type of biomarkers, leading to limited sensitivity, particularly for early-stage cancers. We previously developed SPOT-MAS, a multimodal ctDNA-based assay analyzing methylation and fragmentomic profiles to detect five common cancers.

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Colorectal cancer (CRC) is a form of cancer that impacts both the rectum and colon. Typically, it begins with a small abnormal growth known as a polyp, which can either be non-cancerous or cancerous. Therefore, early detection of colorectal cancer as the second deadliest cancer after lung cancer, can be highly beneficial.

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The health of humans, the economy, and the marine ecology are all seriously threatened by marine litter. Therefore, quantifying the scope of the issue is gaining more and more attention. Studying beach litter accumulation is one of the approaches to investigating its flows into the marine environment.

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Gregarines from the families Dactylophoridae and Trichorhynchidae parasitize exclusively centipedes and have a distinct morphology among other terrestrial eugregarines, but their evolutionary relationships have not yet been studied with molecular methods. Here we obtain rDNA operon sequences for the dactylophorids and trichorhynchids. We describe a new species Trichorhynchus efeykini sp.

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Electrochemically inserting and extracting hydrogen into and from solids are promising ways to explore materials' phases and properties. However, it is still challenging to identify the structural factors that promote hydrogen insertion and extraction and to develop materials whose functional properties can be largely modulated by inserting and extracting hydrogen through solid-state reactions at room temperature. In this study, guided by theoretical calculations on the energies of oxygen reduction and hydrogen insertion reactions with oxygen-deficient perovskite oxides, we demonstrated that the oxygen vacancy ordering in Sr(FeCo)O (SFCO) epitaxial films can be stabilized by increasing the Co content (x ≥ 0.

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The state-of-the-art, simple and scalable methods for lignin micro-/nano-particles recovery from agricultural biomasses were evaluated in this review. Being non-wood biomasses, these materials can be easily fibrillated, supporting the usage of mild soda or organic solvent pretreatment. Different approaches in particle recovery were compared to conclude that the bottom-up approach facilitates smaller particles towards the nano-size range whereas mechanical treatment can act as a supporting method to increase uniformity and reduce particle sizes after bottom-up precipitation.

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Solar energy generated from photovoltaic panel is an important energy source that brings many benefits to people and the environment. This is a growing trend globally and plays an increasingly important role in the future of the energy industry. However, it intermittent nature and potential for distributed system use require accurate forecasting to balance supply and demand, optimize energy storage, and manage grid stability.

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This research investigates the potential of electroplating sludge (ESs) as a sustainable and effective photocatalyst for the degradation of ciprofloxacin (CIP) in wastewater. The study demonstrates that ESs, containing photoactive metal oxides, can effectively degrade CIP under ultraviolet light irradiation. This research suggests that ESs offer a cost-effective and environmentally friendly approach to wastewater treatment, promoting a circular economy.

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Objectives: Fibromyalgia imposes a considerable burden of disability worldwide, and its therapies include rehabilitation interventions. However, the overall brain modulatory effects of rehabilitation interventions and their effects on clinical improvements in patients with fibromyalgia remain unclear. This systematic review of magnetic resonance imaging studies synthesised evidence for the brain modulatory effects of rehabilitation in patients with fibromyalgia.

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A theoretical study on the environmental oxidation of fenpyrazamine fungicide initiated by hydroxyl radicals in the aqueous phase.

Environ Sci Process Impacts

January 2025

Univ. Lille, CNRS, UMR 8522, Physico-Chimie des Processus de Combustion et de l'Atmosphère - PC2A, 59000 Lille, France.

Fenpyrazamine (FPA) is a widely used fungicide in agriculture to control fungal diseases, but its environmental degradation by oxidants and the formation of potential degradation products remain unexplored. This study investigates the oxidation of FPA by hydroxyl radicals (HO˙) using density functional theory (DFT) calculations at the M06-2X/6-311++G(3df,3pd)//M06-2X/6-31+G(d,p) level of theory. Three standard oxidation mechanisms, including formal hydrogen transfer (FHT), radical adduct formation (RAF), and single electron transfer (SET), were evaluated in the aqueous phase, with reaction kinetics analyzed over a temperature range of 283-333 K.

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Expressing red fluorescent protein on the surface of using C-terminal domain of autotransporters.

Mol Biol Res Commun

January 2025

Labolatory of Biosensors, Faculty of Biology and Biotechnology, University of Science, Ho Chi Minh city, Vietnam.

The Type V secretion system, or "autotransporter", is a secretion system that enables bacteria to directly export proteins from the cell interior to the extracellular membrane. mCherry is a second-generation monomeric red fluorescent protein that has an improvement in photostability compared to the first generation of RFP. In this research, we conducted the fusion of the mRFP into the C-terminal domain of EhaA - the translocation domain of the autotransporter protein transport system - to investigate the expression of mRFP on the surface of a model organism commonly utilized in recombinant protein research.

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Marburg virus (MARV) disease (MVD) is an uncommon yet serious viral hemorrhagic fever that impacts humans and non-human primates. In humans, infection by the MARV is marked by rapid onset, high transmissibility, and elevated mortality rates, presenting considerable obstacles to the development of vaccines and treatments. Bats, particularly , are suspected to be natural hosts of MARV.

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Results of treating patients with cellulitis by hyperbaric oxygen: a case-control study.

Int Marit Health

January 2025

Institute of Maritime Medicine, Hai Phong, Vietnam, 21 Vo Nguyen Giap, Le Chan, Kenh Duong, Hai Phong, Vietnam, 18000 Hai Phong, Viet Nam.

Background: Cellulitis is an acute bacterial infection of the skin and subcutaneous tissue. The characteristic symptoms of the disease are an area of skin that is swollen, warmth, redness, pain, unknown borderline, tends to expand, and can lead to tissue necrosis. Hyperbaric Oxygen (HBO) is a non-drug treatment, which has the effect of relieving pain, reducing edema, and accelerating the wound healing process for patients with cellulitis.

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Background: Neonatal sepsis is a leading cause of newborn mortality, particularly in low and middle-income countries. This study examines the bacterial etiologies and antibiotic resistance patterns of neonatal sepsis in a tertiary hospital in Vietnam.

Methods: A prospective cross-sectional study was conducted at National Children's Hospital, Hanoi, Vietnam from January 2021 to December 2022.

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