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https://www.readbyqxmd.com/read/28936599/influences-of-operational-parameters-on-phosphorus-removal-in-batch-and-continuous-electrocoagulation-process-performance
#1
Dinh Duc Nguyen, Yong Soo Yoon, Xuan Thanh Bui, Sung Su Kim, Soon Woong Chang, Wenshan Guo, Huu Hao Ngo
Performance of an electrocoagulation (EC) process in batch and continuous operating modes was thoroughly investigated and evaluated for enhancing wastewater phosphorus removal under various operating conditions, individually or combined with initial phosphorus concentration, wastewater conductivity, current density, and electrolysis times. The results revealed excellent phosphorus removal (72.7-100%) for both processes within 3-6 min of electrolysis, with relatively low energy requirements, i.e., less than 0...
September 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28934823/comprehensive-analysis-of-non-synonymous-natural-variants-of-g-protein-coupled-receptors
#2
Hee Ryung Kim, Nguyen Minh Duc, Ka Young Chung
G protein-coupled receptors (GPCRs) are the largest superfamily of transmembrane receptors and have vital signaling functions in various organs. Because of their critical roles in physiology and pathology, GPCRs are the most commonly used therapeutic target. It has been suggested that GPCRs undergo massive genetic variations such as genetic polymorphisms and DNA insertions or deletions. Among these genetic variations, non-synonymous natural variations change the amino acid sequence and could thus alter GPCR functions such as expression, localization, signaling, and ligand binding, which may be involved in disease development and altered responses to GPCR-targeting drugs...
September 19, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28934457/highly-pathogenic-avian-influenza-a-h5n1-viruses-at-the-animal-human-interface-in-vietnam-2003-2010
#3
Adrian Creanga, Nguyen Le Khanh Hang, Vuong Duc Cuong, Ha T Nguyen, Hoang Vu Mai Phuong, Le Thi Thanh, Nguyen Co Thach, Pham Thi Hien, Nguyen Tung, Yunho Jang, Amanda Balish, Nguyen Hoang Dang, Mai Thuy Duong, Ngo Thu Huong, Do Ngoc Hoa, Nguyen Dang Tho, Alexander Klimov, Bryan K Kapella, Larisa Gubareva, James C Kile, Nguyen Tran Hien, Le Quynh Mai, C Todd Davis
Mutation and reassortment of highly pathogenic avian influenza A(H5N1) viruses at the animal-human interface remain a major concern for emergence of viruses with pandemic potential. To understand the relationship of H5N1 viruses circulating in poultry and those isolated from humans, comprehensive phylogenetic and molecular analyses of viruses collected from both hosts in Vietnam between 2003 and 2010 were performed. We examined the temporal and spatial distribution of human cases relative to H5N1 poultry outbreaks and characterized the genetic lineages and amino acid substitutions in each gene segment identified in humans relative to closely related viruses from avian hosts...
September 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28923322/cycloartane-type-triterpene-glycosides-anopanins-a-c-with-monoacyldigalactosylglycerols-from-anodendron-paniculatum
#4
Viet Duc Ho, Thi Nhu Hanh Hoang, Quoc Hung Vo, Van Kiem Phan, Tuan Anh Le, Viet Ty Pham, Minh Hien Nguyen, Takeshi Kodama, Takuya Ito, Hiroyuki Morita, Ain Raal, Thi Hoai Nguyen
Three cycloartane-type triterpene glycosides (anopanins A-C), together with three known monoacyldigalactosylglycerols gingerglycolipids A-C and (2S)-1-O-palmitoyl-3-O-[α-d-galactopyranosyl-(1→6)-β-d-galactopyranosyl]-sn-glycerol, were isolated from the aerial parts of Anodendron paniculatum collected in Viet Nam. The chemical structures of the present compounds were elucidated by means of 1D and 2D NMR and HRESIMS spectroscopy, and by comparing to the reported data in the literature. These compounds did not show significant growth inhibitory activities (IC50 > 100 μg/mL) against the tested cancer cell lines LU-1 (lung adenocarcinoma), KB (epidermoid carcinoma), Hep-G2 (hepatoma cancer), MKN-7 (stomach cancer), and SW-480 (colon adenocarcinoma)...
September 15, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28917000/routine-use-of-mesh-during-hiatal-closure-is-safe-with-no-increase-in-adverse-sequelae
#5
Walid K Abu Saleh, Lee M Morris, Nabil Tariq, Min P Kim, Edward Y Chan, Leonora M Meisenbach, Brian J Dunkin, Vadim Sherman, Wade Rosenberg, Barbara L Bass, Edward A Graviss, Duc T Nguyen, Patrick Reardon, Puja G Khaitan
BACKGROUND: Primary laparoscopic hiatal repair with fundoplication is associated with a high recurrence rate. We wanted to evaluate the potential risks posed by routine use of onlay-mesh during hiatal closure, when compared to primary repair. METHODS: Utilizing single-institutional database, we identified patients who underwent primary laparoscopic hiatal repair from January 2005 through December 2014. Retrospective chart review was performed to determine perioperative morbidity and mortality...
September 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28892187/patient-satisfaction-with-health-care-services-at-a-national-institute-of-ophthalmology
#6
Nguyen Van Huy, Nguyen Ngoc Dung, Cao Duc Thang, Le Thuy Hanh
Little is known about how patients in developing countries, such as Vietnam, are satisfied with eye care services. The purpose of this study was to assess the satisfaction with health services and its associated factors among patients attending a national institute of ophthalmology in Vietnam. In a cross-sectional study utilizing quantitative methods, 500 inpatients and their relatives attending a national institute of ophthalmology in Vietnam were approached for data collection. The results indicated that under 50% of the patients were satisfied with eye care services...
September 11, 2017: International Journal of Health Planning and Management
https://www.readbyqxmd.com/read/28885626/evidence-for-a-primate-origin-of-zoonotic-helicobacter-suis-colonizing-domesticated-pigs
#7
Bram Flahou, Mirko Rossi, Jaco Bakker, Jan Am Langermans, Edwin Heuvelman, Jay V Solnick, Miriam E Martin, Jani O'Rourke, Le Duc Ngoan, Nguyen Xuan Hoa, Masahiko Nakamura, Anders Øverby, Hidenori Matsui, Hiroyoshi Ota, Takehisa Matsumoto, Dennis L Foss, Laurice A Kopta, Oladipo Omotosho, Maria Pia Franciosini, Patrizia Casagrande Proietti, Aizhen Guo, Han Liu, Gabriela Borilova, Ana Paula Bracarense, Sara K Lindén, Sofie De Bruyckere, Guangzhi Zhang, Chloë De Witte, Annemieke Smet, Frank Pasmans, Richard Ducatelle, Jukka Corander, Freddy Haesebrouck
Helicobacter suis is the second most prevalent Helicobacter species in the stomach of humans suffering from gastric disease. This bacterium mainly inhabits the stomach of domesticated pigs, in which it causes gastric disease, but it appears to be absent in wild boars. Interestingly, it also colonizes the stomach of asymptomatic rhesus and cynomolgus monkeys. The origin of modern human-, pig- or non-human primate-associated H. suis strains in these respective host populations was hitherto unknown. Here we show that H...
September 8, 2017: ISME Journal
https://www.readbyqxmd.com/read/28885379/risk-stratification-of-patients-with-current-generation-continuous-flow-left-ventricular-assist-devices-being-bridged-to-heart-transplantation
#8
Ashrith Guha, Duc Nguyen, Ana S Cruz-Solbes, Javier Amione-Guerra, Robert C Schutt, Arvind Bhimaraj, Barry H Trachtenberg, Myung H Park, Edward A Graviss, Osama Gaber, Eva Montane, Guillermo Torre-Amione, Jerry D Estep
Patients bridged to transplant (BTT) with continuous-flow left ventricular assist devices (CF-LVADs) have increased in the past decade. Decision support tools for these patients are limited. We developed a risk score to estimate prognosis and guide decision-making. We included heart transplant recipients bridged with CF-LVADs from the United Network for Organ Sharing (UNOS) database and divided them into development (2,522 patients) and validation cohorts (1,681 patients). Univariate and multivariate Cox proportional hazards models were performed...
September 5, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28882813/perceptions-of-health-related-information-on-facebook-cross-sectional-study-among-vietnamese-youths
#9
Melvyn Wb Zhang, Bach Xuan Tran, Huong Thi Le, Hinh Duc Nguyen, Cuong Tat Nguyen, Tho Dinh Tran, Carl A Latkin, Roger Cm Ho
BACKGROUND: While health information websites may have previously been the core source of information about health-related conditions on the Internet, social networking sites are increasingly replacing those websites as a source of health-related information. The increasingly popularity of social networking sites among the general population has consequential impact on health policies as well as health-related interventions. To date, there remains a paucity of research conducted in developing countries like Vietnam looking at the influence of social networking sites...
September 7, 2017: Interactive Journal of Medical Research
https://www.readbyqxmd.com/read/28872279/hiv-point-of-care-diagnosis-preventing-misdiagnosis-experience-from-a-pilot-of-rapid-test-algorithm-implementation-in-selected-communes-in-vietnam
#10
REVIEW
Van Thi Thuy Nguyen, Susan Best, Hong Thang Pham, Thi Xuan Lien Troung, Thi Thanh Ha Hoang, Kim Wilson, Thi Hong Hanh Ngo, Xuan Chien, Kim Anh Lai, Duc Duong Bui, Masaya Kato
INTRODUCTION: In Vietnam, HIV testing services had been available only at provincial and district health facilities, but not at the primary health facilities. Consequently, access to HIV testing services had been limited especially in rural areas. In 2012, Vietnam piloted decentralization and integration of HIV services at commune health stations (CHSs). As a part of this pilot, a three-rapid test algorithm was introduced at CHSs. The objective of this study was to assess the performance of a three-rapid test algorithm and the implementation of quality assurance measures to prevent misdiagnosis, at primary health facilities...
August 29, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28866123/a-systematic-review-finds-underreporting-of-ethics-approval-informed-consent-and-incentives-in-clinical-trials
#11
Ly Quoc Trung, Mostafa Ebraheem Morra, Nguyen Duc Truong, Tarek Turk, Ahmed Elshafie, Amr Foly, Dao Ngoc Hien Tam, Ahmed Iraqi, Trinh Thi Hong Van, Ahmed Elgebaly, Tran Nhu Ngoc, Tran Le Huy Vu, Ngan Thy Chu, Kenji Hirayama, Juntra Karbwang, Nguyen Tien Huy
OBJECTIVES: In this study, we aim to review researchers' reporting practices of the ethics statement, financial incentives, and local ethical committees' profile in their clinical trials. STUDY DESIGN AND SETTING: A systematic search was done through top ranked 50 medical journals (Scimago Ranking) to retrieve 2000 latest publications. Only primary clinical trials were included with no restriction to language or participants. RESULT: Among the 927 included trials, 14 (1...
August 30, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28865293/a-new-lignan-and-a-new-alkaloid-and-%C3%AE-glucosidase-inhibitory-compounds-from-the-grains-of-echinochloa-utilis-ohwi-yabuno
#12
Thi Trang Nguyen, Duc Hung Nguyen, Bing Tian Zhao, Duc Dat Le, Du Hyung Choi, Young Ho Kim, Thi Hoai Nguyen, Mi Hee Woo
A new lignan, utilisin (1), and a new alkaloid, echinoutilin (2), together with eleven known compounds 3-13 were isolated from the grains of Echinochloa utilis Ohwi & Yabuno. Their structures were identified through the analysis of spectroscopic data. The absolute configuration of 2 was determined by Mosher's method. These compounds were evaluated for α-glucosidase inhibitory activity. Among them, compounds 2, 3 and 6 exhibited considerable α-glucosidase inhibitory activity with IC50 values of 42.1±1.3, 58...
August 20, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28863943/the-effect-of-testing-reliability-on-visual-field-sensitivity-in-normal-eyes-the-singapore-chinese-eye-study
#13
Nicholas Y Q Tan, Yih-Chung Tham, Victor Koh, Duc Quang Nguyen, Carol Y Cheung, Tin Aung, Tien Yin Wong, Ching-Yu Cheng
PURPOSE: To quantitatively determine how the reliability indices in standard automated perimetry (SAP) affect the global indices of visual field (VF) results in nonglaucomatous eyes. DESIGN: Observational, cross-sectional study. PARTICIPANTS: A total of 830 adults aged 40 to 80 years, without visual impairment, glaucoma, significant cataract, and major eye diseases, were selected from the population-based Singapore Chinese Eye Study (SCES)...
August 29, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28846379/chitin-liquid-crystal-templated-oxide-semiconductor-aerogels
#14
Trang The Lieu Chau, Dung Quang Tien Le, Hoa Thi Le, Cuong Duc Nguyen, Long Viet Nguyen, Thanh-Dinh Nguyen
Chitin nanocrystals have been used as a liquid crystalline template to fabricate layered oxide semiconductor aerogels. Anisotropic chitin liquid crystals are transformed to sponge-like aerogels by hydrothermally cross-linked gelation and lyophilization-induced solidification. The hydrothermal gelation of chitin aqueous suspensions then proceeds with peroxotitanate to form hydrogel composites that recover to form aerogels after freeze-drying. The homogeneous peroxotitanate/chitin composites are calcined to generate freestanding titania aerogels that exhibit the nanostructural integrity of layered chitin template...
September 13, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28816805/development-of-a-mobile-app-for-family-planning-providers
#15
Viannella Halsall, Jennifer Rogers, Jacki Witt, Sejun Song, Hoang Duc Huy Nguyen, Patricia Kelly
PURPOSE: To provide an overview of lessons learned during the development process of an app for iOS and Android based on national recommendations for providing quality family planning services. STUDY AND DESIGN: After a review of existing apps was conducted to determine whether an app of clinical recommendations for family planning existed, a team of clinicians, training specialists, and app developers created a resource app by first drafting a comprehensive content map...
September 2017: MCN. the American Journal of Maternal Child Nursing
https://www.readbyqxmd.com/read/28802410/evaluation-of-24-locus-miru-vntr-genotyping-in-mycobacterium-tuberculosis-cluster-investigations-in-four-jurisdictions-in-the-united-states-2006-2010
#16
Larry D Teeter, J Steven Kammerer, Smita Ghosh, Duc T M Nguyen, Padmaja Vempaty, Jane Tapia, Roque Miramontes, Wendy A Cronin, Edward A Graviss
The U.S. Centers for Disease Control and Prevention (CDC) uses a combination of spacer oligonucleotide typing (spoligotyping) and mycobacterial interspersed repetitive units-variable number of tandem repeats (MIRU-VNTR) analyses as part of the National TB Genotyping Service (NTGS). The NTGS expansion from 12-locus MIRU-VNTR (MIRU12) to 24-locus MIRU-VNTR (MIRU24) in 2009 enhanced the ability to discriminate Mycobacterium tuberculosis strains. In the current study, we investigated the MIRU24 concordance among epidemiologic-linked tuberculosis (TB) patients in four U...
September 2017: Tuberculosis
https://www.readbyqxmd.com/read/28796756/notes-from-the-field-increase-in-coccidioidomycosis-california-2016
#17
Gail Sondermeyer Cooksey, Alyssa Nguyen, Kirsten Knutson, Farzaneh Tabnak, Kaitlin Benedict, Orion McCotter, Seema Jain, Duc Vugia
Coccidioidomycosis, or Valley Fever, is an infectious disease caused by inhalation of Coccidioides spp. spores (1). This soil-dwelling fungus is endemic in the southwestern United States, with most (97%) U.S. cases reported from Arizona and California (1,2). Following an incubation period of 1-3 weeks, symptomatic patients most often experience self-limited, influenza-like symptoms, but coccidioidomycosis also can lead to severe pulmonary disease and to rare cases of disseminated disease, including meningitis (1)...
August 11, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28766481/evaluation-of-a-commercial-sandwich-enzyme-linked-immunosorbent-assay-for-the-quantification-of-beta-casomorphin-7-in-yogurt-using-solid-phase-extraction-coupled-to-liquid-chromatography-tandem-mass-spectrometry-as-the-gold-standard-method
#18
Duc Doan Nguyen, Francesco Busetti, Stuart Keith Johnson, Vicky Ann Solah
This study investigated beta-casomorphin 7 (BCM7) in yogurt by means of LC-tandem MS (MS/MS) and enzyme-linkedimmunosorbent assay (ELISA) and use LC-MS/MS as the "gold standard" method to evaluate the applicability of a commercial ELISA. The level of BCM7 in milk obtained from ELISA analysis was much lower than that obtained by LC-MS/MS analysis and trended to increase during fermentation and storage of yogurt. Meanwhile, the results obtained from LC-MS/MS showed that BCM7 degraded during stages of yogurt processing, and its degradation may have been caused by X-prolyl dipeptidyl aminopeptidase activity...
August 1, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28765270/improving-hospital-death-certification-in-vietnam-results-of-a-pilot-study-of-injury-related-fatalities
#19
Merrilyn Walton, Reema Harrison, Anna Chevalier, Esmond Esguerra, Nguyen Duc Chinh, Haphan Haian, Dang Van Duong, Huong Giang
BACKGROUND: Vietnam has prioritised the establishment of a civil registration system for deaths but as yet is unable to report accurate national statistics for the population of 93.5 million people due to inadequate mortality data. Verbal autopsy data suggest that injury is a third leading cause of death (by International Statistical Classification of Diseases and Related Health Problems 10th Revision chapters) in Vietnam, with road traffic injuries in particular a significant and increasing challenge...
August 1, 2017: Injury Prevention: Journal of the International Society for Child and Adolescent Injury Prevention
https://www.readbyqxmd.com/read/28756918/xanthine-oxidase-inhibitors-from-archidendron-clypearia-jack-i-c-nielsen-results-from-systematic-screening-of-vietnamese-medicinal-plants
#20
Nguyen Thuy Duong, Pham Duc Vinh, Phuong Thien Thuong, Nguyen Thi Hoai, Le Nguyen Thanh, Tran The Bach, Nguyen Hai Nam, Nguyen Hoang Anh
OBJECTIVE: To screen Vietnamese medicinal plants for xanthine oxidase (XO) inhibitory activity and to isolate XO inhibitor(s) from the most active plant. METHODS: The plants materials were extracted by methanol. The active plant materials were fractionated using different organic solvents, including n-hexane, ethyl acetate, and n-butanol. Bioassay-guided fractionation and column chromatography were used to isolate compounds. The compounds structures were elucidated by analysis of spectroscopic data, including IR, MS, and NMR...
June 2017: Asian Pacific Journal of Tropical Medicine
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