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  • 1
    In: Tạp chí Y học Việt Nam, Vietnam Medical Journal, Vietnam Medical Association, Vol. 539, No. 1B ( 2024-06-18)
    Abstract: Mục tiêu: Đánh giá sự biến đổi glucose máu giai đoạn sớm (≤ 45 ngày) sau ghép thận và mối liên quan với tình trạng rối loạn dung nạp glucose trước ghép. Phương pháp nghiên cứu: Nghiên cứu tiến cứu, mô tả, theo dõi dọc 100 bệnh nhân ghép thận từ người cho sống tại Bệnh viện Quân Y 103 từ tháng 3 năm 2023 đến tháng 12 năm 2023, thời gian theo dõi sau ghép ³ 1,5 tháng. Kết quả: Tỷ lệ bệnh nhân có rối loạn glucose máu lúc đói trước ghép, rối loạn dung nạp glucose trước ghép và tăng glucose máu giai đoạn sớm sau ghép thận lần lượt là 2%, 23% và 74%. Nồng độ glucose máu cao nhất ở thời điểm ngay sau ghép thận và giảm dần qua các thời điểm trong nghiên cứu. Bệnh nhân có rối loạn dung nạp glucose trước ghép có nguy cơ tăng glucose máu giai đoạn sớm sau ghép thận cao gấp 4,75 lần so với bệnh nhân không rối loạn dung nạp glucose trước ghép, p 〈 0,05. Kết luận: Nồng độ gluccose máu tăng cao nhất ở thời điểm ngay sau ghép thận và giảm dần trong những ngày tiếp theo. Rối loạn dung nạp glucose trước ghép là yếu tố nguy cơ rõ rệt cho tăng glucose máu giai đoạn sớm sau ghép thận
    Type of Medium: Online Resource
    ISSN: 1859-1868
    Language: Unknown
    Publisher: Vietnam Medical Journal, Vietnam Medical Association
    Publication Date: 2024
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  • 2
    Online Resource
    Online Resource
    Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications) ; 2022
    In:  Vietnam Journal of Marine Science and Technology Vol. 22, No. 4 ( 2022-12-28)
    In: Vietnam Journal of Marine Science and Technology, Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications), Vol. 22, No. 4 ( 2022-12-28)
    Abstract: The large sea urchins (Diadematidae) are widely distributed worldwide, from temperate to tropical waters. Diadematidae is an important herbivore in the coral reef ecosystem through herbivore-algal-coral interaction, which maintains the reef’s health. Many studies of Diadematidae have been performed around world, but in Vietnam, there is little known about the ecology of this group. Here, we first investigated the assemblage structure of Diadematidae in Northern Vietnam. We observed 43 sites of representative coral reefs in Ba Mun - Co To, Cat Ba - Ha Long, and Hon Me. Based on the surveys, we found four species of considerable size sea urchins, of which the most common species is Diadema setosum (79.8% of the total), Enchinothrix calamaris (10.1%), E. diadema (8.3%), and D. savignyi (1.8%). Among three study regions, Hon Me is the most diverse. In addition, Hon Me also has the highest density of sea urchins. However, this value is generally low compared to that in Southern Vietnam and other neighboring countries. Further study is needed to investigate the ecology and reproductive biology of Diadematidae to provide fundamental information for sustainable exploitation and conservation.
    Type of Medium: Online Resource
    ISSN: 1859-3097
    Language: Unknown
    Publisher: Publishing House for Science and Technology, Vietnam Academy of Science and Technology (Publications)
    Publication Date: 2022
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  • 3
    In: Environmental Health Insights, SAGE Publications, Vol. 14 ( 2020-01), p. 117863022095967-
    Abstract: Drinking water quality affects directly human health. Assessment and prevention of water-borne diseases are crucial for primary prevention, especially for children. Objective: The main aim of this study was to investigate the quality of drinking water from tap water in preschools and primary schools in a district area in Hanoi City, Vietnam. Methods: A cross-sectional study was performed from August to October 2019. Water samples from tap water of 154 schools in a district area of Hanoi were collected to determine the quality of drinking water. From each school, at least 2 bottles of water samples were collected on the basis of a standard operating procedure (SOP). Each water sample was analyzed for microbial and physicochemical parameters, including Color, Taste and Odor, Turbidity, pH, Nitrite, Nitrate, Ammonium, Total Iron, Permanganate, Chloride, Hardness, Total Manganese, Sulfate, Arsenic, Coliform, and E.coli, by analytical methods. The obtained values of each parameter were compared with the standard values set by WHO and National Technical Regulation on Domestic Water Quality of Vietnam. Results: All of the schools employed community water system as a main source for drinking water. The results showed that all tested samples were found to be within the standards for some physicochemical properties, including Color, Taste and Odor, Hardness, Chloride, Total Iron (Fe 2+ và Fe 3+ ), Total Manganese (Mn), Nitrate (NO 3 – ), Sulfate (SO 4 2– ), and Total Arsenic (As). On the other hand, some samples did not meet the allowable limits of the national standard, due to pH (3.9%), Turbidity (0.6%), Nitrite (3.2%), Permanganate (6.5%), and Ammonium (5.8%). Furthermore, the microbial data revealed that the substandard water samples from municipal water systems were contaminated by Coliform (9.7%) and/or E.coli (7.8%). Conclusions and recommendations: Contaminants such as bacterial and chemical agents in to drinking water could be occurred during transport, storage and handling before using by the consumer without regular surveillance. A periodic treatment procedure and monitoring system to keep the level of microbial and chemical contamination of drinking water in schools under control should be performed.
    Type of Medium: Online Resource
    ISSN: 1178-6302 , 1178-6302
    Language: English
    Publisher: SAGE Publications
    Publication Date: 2020
    detail.hit.zdb_id: 2452946-1
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  • 4
    In: Polymers, MDPI AG, Vol. 12, No. 9 ( 2020-08-30), p. 1963-
    Abstract: Herein, Fe-doped C3N4 high-performance photocatalysts, synthesized by a facile and cost effective heat stirring method, were investigated systematically using powder X-ray diffraction (XRD), Fourier transform infrared (FTIR), scanning electron microscopy (SEM) and Brunauer–Emmett–Teller (BET) surface area measurement, X-ray photoelectron (XPS), UV–Vis diffusion reflectance (DRS) and photoluminescence (PL) spectroscopy. The results showed that Fe ions incorporated into a g-C3N4 nanosheet in both +3 and +2 oxidation states and in interstitial configuration. Absorption edge shifted slightly toward the red light along with an increase of absorbance in the wavelength range of 430–570 nm. Specific surface area increased with the incorporation of Fe into g-C3N4 lattice, reaching the highest value at the sample doped with 7 mol% Fe (FeCN7). A sharp decrease in PL intensity with increasing Fe content is an indirect evidence showing that electron-hole pair recombination rate decreased. Interestingly, Fe-doped g-C3N4 nanosheets present a superior photocatalytic activity compared to pure g-C3N4 in decomposing RhB solution. FeCN7 sample exhibits the highest photocatalytic efficiency, decomposing almost completely RhB 10 ppm solution after 30 min of xenon lamp illumination with a reaction rate approximately ten times greater than that of pure g-C3N4 nanosheet. This is in an agreement with the BET measurement and photoluminescence result which shows that FeCN7 possesses the largest specific surface area and low electron-hole recombination rate. The mechanism of photocatalytic enhancement is mainly explained through the charge transfer processes related to Fe2+/Fe3+ impurity in g-C3N4 crystal lattice.
    Type of Medium: Online Resource
    ISSN: 2073-4360
    Language: English
    Publisher: MDPI AG
    Publication Date: 2020
    detail.hit.zdb_id: 2527146-5
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  • 5
    In: Tạp chí Y học Việt Nam, Vietnam Medical Journal, Vietnam Medical Association, Vol. 522, No. 1 ( 2023-02-19)
    Abstract: Ung thư bàng quang đứng thứ 11 về tỉ lệ mắc, thứ 13 về tỉ lệ tử vong ở cả hai giới, trong đó 75-85% là ung thư bàng quang không xâm lấn cơ (non muscle invasive bladder cancer – NMIBC). Phương pháp cắt đốt nội soi lấy nguyên khối u (en-bloc resection of bladder tummor – ERBT) trong điều trị ung thư bàng quang không xâm lấn cơ có nhiều ưu điểm như đạt yêu cầu về giải phẫu bệnh, tỉ lệ sót u thấp, tỉ lệ tái phát thấp hơn so với cắt đốt nội soi tiêu chuẩn (Transurethral resection of bladder tummor). Bơm Gemcitabine nội bàng quang sau phẫu thuật là liệu pháp an toàn giúp giảm nguy cơ tái phát. Trong bài viết này chúng tôi báo cáo trường hợp bệnh nhân nam 84 tuổi, nhập viện với triệu chứng tiểu máu, tiểu buốt. Bệnh nhân sau đó được nội soi enblock u bàng quang kết hợp hoá chất Gemcitabine nội bàng quang, theo dõi ở tháng thứ 9 chưa thấy dấu hiệu tái phát [1] , [4]
    Type of Medium: Online Resource
    ISSN: 1859-1868
    Language: Unknown
    Publisher: Vietnam Medical Journal, Vietnam Medical Association
    Publication Date: 2023
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  • 6
    In: Healthcare, MDPI AG, Vol. 9, No. 12 ( 2021-12-10), p. 1713-
    Abstract: (1) Background: The present study measures the fear of COVID-19 among hospital healthcare workers and identifies several factors associated with increasing fear of COVID-19. (2) Methods: A cross-sectional, hospital-based survey was conducted on healthcare workforce recruited from the National Hospital of Tropical Diseases from 1 October 2021 and 20 October 2021. We selected the participants who have been directly involved in diagnosing, treating, or providing nursing care to patients with COVID-19. The primary data was collected via sending the invitation directly to the participants, utilizing structured self-completed questionnaires. The seven-item fear of COVID-19 scale was used to measure the data. The responses of 208 hospital healthcare workers were included in the final analysis. (3) Results: Total score of COVID-19 fear was 19.62 (SD = 5.22). The COVID-19 fear score of 7 items ranged from 2.38 (SD = 0.83) to 3.21 (SD = 0.96). The lowest and highest scores were the item ‘My hands become clammy when I think about Corona’ and the item ‘I am most afraid of corona’ was the highest, respectively. Linear regression of the COVID-19 fear showed that the factors positively correlated with the fear of COVID-19 among hospital healthcare workers were: being influenced by the community (p = 0.001), feeling at very high risk of COVID-19 (p = 0.03), and experiencing traumatic stress with an academic event (p = 0.042). (4) Conclusions: Although these findings merit further elaboration, these preliminary findings suggest relatively great fear of the COVID-19 pandemic among Vietnamese hospital healthcare workers and that social and personal connections are necessary for maintaining the mental wellbeing.
    Type of Medium: Online Resource
    ISSN: 2227-9032
    Language: English
    Publisher: MDPI AG
    Publication Date: 2021
    detail.hit.zdb_id: 2721009-1
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  • 7
    Online Resource
    Online Resource
    Vietnamese Journal of Food Control, National Institute for Food Control ; 2019
    In:  Heavy metals and arsenic concentrations in water, agricultural soil, and rice in Ngan Son district, Bac Kan province, Vietnam Vol. 2, No. 3 ( 2019-09-06), p. 106-113
    In: Heavy metals and arsenic concentrations in water, agricultural soil, and rice in Ngan Son district, Bac Kan province, Vietnam, Vietnamese Journal of Food Control, National Institute for Food Control, Vol. 2, No. 3 ( 2019-09-06), p. 106-113
    Abstract: A cross sectional study was conducted to assess the current status of food raw materialsat cafeteria kitchens of foreign invested enterprises in Hung Yen Province, 2018. The results showed that the rates of leaf vegetables, root vegetables, fruits, and seafood purchased from approvedsuppliers with certificates of food safety eligibility were of 2.3%, 2.9%, 2.4%, and 3.6%, respectively. There were 11.1% of vegetable and fruit supplier shaving certificates of satisfaction of food safety conditions or other equivalent certificates. Only one seafood supplier has been granted a certificate of food safety eligibility. Most of the remaining seafood was purchased from small farms that have not been approved. It is necessary to develop the models of producing, preliminary processing, processing, and trading of food and food materials in the province in a safe direction such as Vietnamese Good Agricultural Practices (VietGAP) in order to satisfy the local food demand.
    Type of Medium: Online Resource
    ISSN: 2615-9252
    Language: Unknown
    Publisher: Vietnamese Journal of Food Control, National Institute for Food Control
    Publication Date: 2019
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  • 8
    Online Resource
    Online Resource
    Vietnamese Journal of Food Control, National Institute for Food Control ; 2019
    In:  Heavy metals and arsenic concentrations in water, agricultural soil, and rice in Ngan Son district, Bac Kan province, Vietnam Vol. 2, No. 3 ( 2019-09-06), p. 106-113
    In: Heavy metals and arsenic concentrations in water, agricultural soil, and rice in Ngan Son district, Bac Kan province, Vietnam, Vietnamese Journal of Food Control, National Institute for Food Control, Vol. 2, No. 3 ( 2019-09-06), p. 106-113
    Abstract: Nghiên cứu cắt ngang được tiến hành để đánh giá thực trạng nguồn gốc nguyên liệu thực phẩm tại bếp ăn tập thể doanh nghiệp có vốn đầu tư nước ngoài trên địa bàn tỉnh Hưng Yên năm 2018. Kết quả nghiên cứu cho thấy khối lượng rau ăn lá, rau ăn củ, rau ăn quả, thủy sản mua tại đơn vị sản xuất được xác định có giấy chứng nhận cơ sở đủ điều kiện hoặc giấy tờ tương đương khác chiếm tỷ lệ không cao lần lượt là 2,3%, 2,9%, 2,4%, 3,6%. Có 11,1% cơ sở sản xuất rau, củ, quả có giấy chứng nhận đủ điều kiện an toàn thực phẩm hoặc các giấy tờ khác tương đương khác. Chỉ điều tra được 01 cơ sở nuôi trồng thủy sản đã được cấp giấy chứng nhận đủ điều kiện an toàn thực phẩm, phần lớn thủy sản còn lại được thu mua từ các hộ nuôi trồng nhỏ lẻ, quy mô hộ gia đình không có giấy chứng nhận cơ sở đủ điều kiện an toàn thực phẩm hoặc giấy tờ tương đương khác. Cần mở rộng các mô hình sản xuất, sơ chế, chế biến, kinh doanh nguyên liệu thực phẩm trên địa bàn tỉnh theo hướng an toàn như: mô hình trồng rau, củ, quả an toàn, mô hình nuôi cá an toàn, mô hình chăn nuôi, giết mổ an toàn theo hướng VietGAP... nhằm đáp ứng nhu cầu cho các bếp ăn tập thể cũng như người dân trên địa bàn tỉnh.
    Type of Medium: Online Resource
    ISSN: 2615-9252
    Language: Unknown
    Publisher: Vietnamese Journal of Food Control, National Institute for Food Control
    Publication Date: 2019
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  • 9
    In: Tropical Medicine and Infectious Disease, MDPI AG, Vol. 7, No. 1 ( 2021-12-23), p. 3-
    Abstract: (1) Background: This study aims to assess the magnitude of, and factors associated with, depression and anxiety among Vietnamese frontline hospital healthcare workers in the fourth wave of COVID-19; (2) Methods: A hospital based cross-sectional study was carried out within two weeks, October 2020, at a central COVID-19 treatment hospital. Depression and anxiety were measured with PHQ-9 and GAD-7, respectively. Bivariate and multivariate logistic regression analysis were applied to recognize variables related to depression and anxiety, respectively; (3) Results: Among 208 frontline hospital healthcare workers, overall prevalence of depressive symptoms, anxiety symptoms, and both symptoms of depression and anxiety was 38.94%, 25.48% and 24.04%, respectively, in healthcare workers. In a reduced model after using multivariate stepwise logistic regression, age (OR = 0.9, p = 0.001), marital status (OR = 7.84, p = 0.027), profession (OR = 0.39, p = 0.028), having experienced traumatic stress following a work event (OR = 46.24, p 〈 0.001), feeling at very high risk for COVID-19 (OR = 0.02, p 〈 0.04), and affected by workplace conditions (OR = 5.36, p 〈 0.001) were associated with the symptoms of depression. With regard to symptoms of anxiety, single status (OR: 12.18, p = 0.002), being medical technician (OR: 68.89, p 〈 0.001), alcohol use (OR: 6.83, p = 0.014), using pain relief medications (OR: 25.50, p = 0.047), having experienced traumatic stress following a family event (OR: 130.32, p = 0.001), having experienced traumatic stress following a work event (OR: 181.55, p = 0.002), reporting at very high risk for COVID-19 (OR: 29.64, p = 0.011), treating moderate (OR: 6.46, p = 0.038) and severe (OR: 18.96, p = 0.004) COVID-19 patients, and being significantly affected by the community (OR: 6.33, p = 0.003) were increased risk factors for the symptoms of anxiety. Meanwhile, those living with 4–5 people (OR: 0.15, p = 0.011), specializing in infectious disease (OR: 0.13, p = 0.044)/resuscitation and emergency medicine (OR: 0.04, p = 0.046), and having knowledge preparation before participating in COVID-19 (OR: 0.008, p = 0.014) were less associated with the symptoms of anxiety; (4) Conclusions: There was a relatively high prevalence among Vietnamese hospital healthcare workers exhibiting symptoms of depression and anxiety during the ongoing pandemic. Greater attention to training in psychological skills should be suggested for those belonging to a younger age group, being single/widowed/divorced, treating moderate and severe COVID-19 patients, feeling at very high risk for COVID-19, being significantly affected a lot the community or workplace conditions, or experiencing traumatic stress following a family/work event in the past week.
    Type of Medium: Online Resource
    ISSN: 2414-6366
    Language: English
    Publisher: MDPI AG
    Publication Date: 2021
    detail.hit.zdb_id: 2934690-3
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  • 10
    In: Molecules, MDPI AG, Vol. 26, No. 12 ( 2021-06-17), p. 3691-
    Abstract: Folk experiences suggest natural products in Tetradium ruticarpum can be effective inhibitors towards diabetes-related enzymes. The compounds were experimentally isolated, structurally elucidated, and tested in vitro for their inhibition effects on tyrosine phosphatase 1B (PTP1B) and α-glucosidase (3W37). Density functional theory and molecular docking techniques were utilized as computational methods to predict the stability of the ligands and simulate interaction between the studied inhibitory agents and the targeted proteins. Structural elucidation identifies two natural products: 2-heptyl-1-methylquinolin-4-one (1) and 3-[4-(4-methylhydroxy-2-butenyloxy)-phenyl]-2-propenol (2). In vitro study shows that the compounds (1 and 2) possess high potentiality for the inhibition of PTP1B (IC50 values of 24.3 ± 0.8, and 47.7 ± 1.1 μM) and α-glucosidase (IC50 values of 92.1 ± 0.8, and 167.4 ± 0.4 μM). DS values and the number of interactions obtained from docking simulation highly correlate with the experimental results yielded. Furthermore, in-depth analyses of the structure–activity relationship suggest significant contributions of amino acids Arg254 and Arg676 to the conformational distortion of PTP1B and 3W37 structures overall, thus leading to the deterioration of their enzymatic activity observed in assay-based experiments. This study encourages further investigations either to develop appropriate alternatives for diabetes treatment or to verify the role of amino acids Arg254 and Arg676.
    Type of Medium: Online Resource
    ISSN: 1420-3049
    Language: English
    Publisher: MDPI AG
    Publication Date: 2021
    detail.hit.zdb_id: 2008644-1
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