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https://www.readbyqxmd.com/read/28720929/antioxidant-characteristics-of-extracts-of-hibiscus-sabdariffa-calyces-encapsulated-with-mesquite-gum
#1
C E Ochoa-Velasco, C Salazar-González, S Cid-Ortega, J A Guerrero-Beltrán
This study compared the stability of extracts of H. sabdariffa calyces microencapsulated with different concentrations of mesquite gum during storage. Dry Roselle calyces were mixed with 50:50 (v/v) ethanol:water solution to obtain 18°Bx concentrate. This Roselle extract concentrate was mixed with purified mesquite gum (100:1-100:5 v/w). The Roselle extract concentrate-gum (RECG) was spray dried at inlet and outlet temperatures of 180 ± 2 and 104 ± 2.3 °C, respectively, at an air flow rate of 38 m(3)/h...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28693429/plasma-homocysteine-levels-associated-with-a-corrected-qt-interval
#2
Zhao Li, Xiaofan Guo, Guozhe Sun, Liqiang Zheng, Yingxian Sun, Yamin Liu, Maria Roselle Abraham
BACKGROUND: Little is known about the relationship between homocysteine (Hcy) levels and the QT interval. We examined the association of different Hcy levels with corrected QT (QTc) intervals in a general population. METHODS: Plasma levels of Hcy were assessed in a population-based study of 7002 participants 35 years of age and older from 2012 to 2013. Twelve-lead ECGs were performed on all participants and analyzed automatically. RESULTS: The distribution of Hcy levels was determined for an entire population after the data were grouped into quartiles (Q1: <=11...
July 11, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28687124/role-of-global-longitudinal-strain-in-predicting-outcomes-in-hypertrophic-cardiomyopathy
#3
Hongyun Liu, Iraklis Pozios, Bereketeab Haileselassie, Alexandra Nowbar, Lars L Sorensen, Susan Phillip, Dai-Yin Lu, Ioannis Ventoulis, Hongchang Luo, M Roselle Abraham, Theodore P Abraham
Global longitudinal strain (GLS) is a sensitive indicator of global left ventricular function particularly in those with normal ejection fraction. We examined the potential value of GLS in predicting outcomes in hypertrophic cardiomyopathy (HC). Conventional and strain echocardiography was performed in 400 patients with HC followed for a median 3.1 years (interquartile range 1.2 to 5.6). Peak systolic strain from 3 apical views was averaged to calculate GLS. Patients were divided based on a previously published cutoff value of -16%...
May 30, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28673491/assessment-of-volumetric-distortion-artifact-in-filled-root-canals-using-different-cone-beam-computed-tomographic-devices
#4
Berkan Celikten, Reinhilde Jacobs, Karla deFaria Vasconcelos, Yan Huang, Laura Ferreira Pinheiro Nicolielo, Kaan Orhan
INTRODUCTION: Artifacts in cone-beam computed tomographic (CBCT) imaging may compromise radiodiagnosis. Obturation materials for endodontic treatment may present with variable material density and thus also cause distinct artifact expression. The aim of this study was to assess the volume distortion artifact of root canal sealers using CBCT devices and micro-CT imaging as a reference. METHODS: Thirty single-root mandibular central incisors were used for this study...
June 30, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28646031/metabolism-and-acetylation-contribute-to-leucine-mediated-inhibition-of-cardiac-glucose-uptake
#5
Edith Renguet, Audrey Ginion, Roselle Gélinas, Laurent Bultot, Julien Auquier, Isabelle Robillard Frayne, Caroline Daneault, Jean-Louis Vanoverschelde, Christine Des Rosiers, Louis Hue, Sandrine Horman, Christophe Beauloye, Luc Bertrand
High plasma leucine levels strongly correlate with type 2 diabetes. Studies of muscle cells suggest that leucine alters the insulin response for glucose transport by activating an insulin-negative feedback loop driven by the mammalian target of rapamycin/p70 ribosomal S6 kinase (mTOR/p70S6K) pathway. Here, we examined the molecular mechanism involved in leucine's action on cardiac glucose uptake. Leucine was indeed able to curb glucose uptake after insulin stimulation in both cultured cardiomyocytes and perfused hearts...
June 23, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28607615/diffuse-interstitial-fibrosis-assessed-by-cardiac-magnetic-resonance-is-associated-with-dispersion-of-ventricular-repolarization-in-patients-with-hypertrophic-cardiomyopathy
#6
David Hurtado-de-Mendoza, Celia P Corona-Villalobos, Iraklis Pozios, Jorge Gonzales, Yalda Soleimanifard, Sanjay Sivalokanathan, Diego Montoya-Cerrillo, Styliani Vakrou, Ihab Kamel, Wilfredo Mormontoy-Laurel, Ketty Dolores-Cerna, Jacsel Suarez, Sergio Perez-Melo, David A Bluemke, Theodore P Abraham, Stefan L Zimmerman, M Roselle Abraham
BACKGROUND: Hypertrophic cardiomyopathy (HCM) is characterized by myocyte hypertrophy, disarray, fibrosis, and increased risk for ventricular arrhythmias. Increased QT dispersion has been reported in patients with HCM, but the underlying mechanisms have not been completely elucidated. In this study, we examined the relationship between diffuse interstitial fibrosis, replacement fibrosis, QTc dispersion and ventricular arrhythmias in patients with HCM. We hypothesized that fibrosis would slow impulse propagation and increase dispersion of ventricular repolarization, resulting in increased QTc dispersion on surface electrocardiogram (ECG) and ventricular arrhythmias...
June 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28554648/exploration-of-reaction-mechanisms-of-anthocyanin-degradation-in-a-roselle-extract-through-kinetic-studies-on-formulated-model-media
#7
André Mundombe Sinela, Christian Mertz, Nawel Achir, Nadirah Rawat, Kevin Vidot, Hélène Fulcrand, Manuel Dornier
Effect of oxygen, polyphenols and metals was studied on degradation of delphinidin and cyanidin 3-O-sambubioside of Hibiscus sabdariffa L. Experiments were conducted on aqueous extracts degassed or not, an isolated polyphenolic fraction and extract-like model media, allowing the impact of the different constituents to be decoupled. All solutions were stored for 2months at 37°C. Anthocyanin and their degradation compounds were regularly HPLC-DAD-analyzed. Oxygen concentration did not impact the anthocyanin degradation rate...
November 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28549863/isolation-and-characterization-of-microcrystalline-cellulose-from-roselle-fibers
#8
Lau Kia Kian, Mohammad Jawaid, Hidayah Ariffin, Othman Y Alothman
In this study, microcrystalline cellulose (MCC) was extracted from roselle fiber through acid hydrolysis treatment and its properties were compared with those of commercially available MCC. The physicochemical and morphological characteristics, elemental composition, size distribution, crystallinity and thermal properties of the obtained MCC were analyzed in this work. Fourier transform infrared spectroscopy (FTIR) analysis provided clear evidence that the characteristic peak of lignin was absent in the spectrum of the MCC prepared from roselle fiber...
May 23, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28522168/is-pre-hospital-cpr-a-risk-factor-for-early-death-in-patients-transferred-to-an-adult-burn-center
#9
Kanika Trehan, Stacey Rotta, Shea C Gregg, Kristen Glasgow, Roselle E Crombie, Walter M Cholewczynski, Nabil Atweh, Alisa Savetamal
BACKGROUND: Burn patients who require cardiopulmonary resuscitation (CPR) prior to admission to a Burn Center are anecdotally known to suffer higher mortality than those who do not require pre-hospital CPR. STUDY DESIGN: A retrospective chart review identified adult patients admitted to our burn center between 2013 and 2015. Included patients met one or both of the following criteria: (1) 20 percent or more total body surface area (%TBSA) burned and (2) need for intubation prior to admission to our facility...
May 15, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28409672/making-a-difference-a-study-of-cognitive-stimulation-therapy-for-persons-with-dementia
#10
Daniel B Stewart, Marla Berg-Weger, Susan Tebb, Michele Sakamoto, Kristina Roselle, Laura Downing, Janice Lundy, Deborah Hayden
Affecting nearly 5.4 million older adults in the United States and 35.6 million individuals worldwide, dementia is one of the greatest public health crises of our time. As a result, helping professionals, clients, and care partners seek effective and affordable treatment. Developed in the United Kingdom by Spector and colleagues, Cognitive Stimulation Therapy (CST) is a non-pharmacologic psychosocial group intervention for persons with dementia. To expand upon and fill the gaps within existing research, the authors developed a descriptive study to assess the impact of CST on cognition, quality of life, and depression, among six CST groups (n = 40)...
May 2017: Journal of Gerontological Social Work
https://www.readbyqxmd.com/read/28403751/management-of-dengue-in-australian-travellers-a-retrospective-multicentre-analysis
#11
MULTICENTER STUDY
Alex Yc Tai, Sarah L McGuinness, Roselle Robosa, David Turner, G Khai Lin Huang, Karin Leder, Tony M Korman, Irani Thevarajan, Andrew J Stewardson, Alexander A Padiglione, Douglas F Johnson
OBJECTIVES: To describe the epidemiology, clinical and laboratory features and outcomes of dengue in returned Australian travellers, applying the revised WHO dengue classification (2009) to this population. DESIGN, SETTING AND PARTICIPANTS: Retrospective case series analysis of confirmed dengue cases hospitalised at one of four Australian tertiary hospitals, January 2012 - May 2015. MAIN OUTCOME MEASURES: Clinical features, laboratory findings and outcomes of patients with dengue; dengue classification according to 2009 WHO guidelines...
April 17, 2017: Medical Journal of Australia
https://www.readbyqxmd.com/read/28336227/aqueous-calyxes-extract-of-roselle-or-hibiscus-sabdariffa-linn-supplementation-improves-liver-morphology-in-streptozotocin-induced-diabetic-rats
#12
Akhtar Husin Nazratun Nafizah, Siti Balkis Budin, Abd Hamid Zaryantey, Abd Rahman Mariati, Raj Louis Santhana, Mohamad Osman, Md Idris Muhd Hanis, Mohamed Jamaludin
BACKGROUND AND STUDY AIMS: The complex series of deleterious events among diabetes patients leads to multiple organ failure. Therefore, a holistic approach of treatment is urgently required to prevent worsening of complications. The present investigation was carried out to study the possible protective effects of Roselle or Hibiscus sabdariffa Linn (HSL) calyxes aqueous extract, as an antidiabetic and antioxidant agent against oxidative liver injury in streptozotocin-induced diabetic rats...
March 2017: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
https://www.readbyqxmd.com/read/28292523/exercise-qtc-is-associated-with-diffuse-interstitial-fibrosis-reflected-by-lower-approximated-t1-relaxation-time-in-hypertrophic-cardiomyopathy-patients
#13
Celia P Corona-Villalobos, Sudip Saha, Iraklis Pozios, David Hurtado-de-Mendoza Paz, Lars Sorensen, Jorge Gonzalez Cordoba, Ketty Dolores-Cerna, Ihab R Kamel, Wilfredo Mormontoy Laurel, David A Bluemke, Theodore P Abraham, Stefan L Zimmerman, M Roselle Abraham
No abstract text is available yet for this article.
July 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28249121/roselle-supplementation-prevents-nicotine-induced-vascular-endothelial-dysfunction-and-remodelling-in-rats
#14
Lislivia Yiang-Nee Si, Yusof Kamisah, Anand Ramalingam, Yi Cheng Lim, Siti Balkis Budin, Satirah Zainalabidin
Vascular endothelial dysfunction (VED) plays an important role in the initiation of cardiovascular diseases. Roselle, enriched with antioxidants, demonstrates high potential in alleviating hypertension. This study was undertaken to investigate the effects of roselle supplementation of VED and remodelling in a rodent model with prolonged nicotine administration. Male Sprague-Dawley rats (n = 6 per group) were administered with 0.6 mg/kg nicotine for 28 days to induce VED. The rats were given either aqueous roselle (100 mg/kg) or normal saline orally 30 min prior to nicotine injection daily...
March 1, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28199144/attachment-of-13-types-of-foodborne-bacteria-to-jalape%C3%A3-o-and-serrano-peppers-and-antibacterial-effect-of-roselle-calyx-extracts-sodium-hypochlorite-colloidal-silver-and-acetic-acid-against-these-foodborne-bacteria-on-peppers
#15
Esmeralda Rangel-Vargas, Carlos A Gómez-Aldapa, Reyna N Falfan-Cortes, María L Rodríguez-Marín, Angélica Godínez-Oviedo, Otilio A Acevedo-Sandoval, Javier Castro-Rosas
Chili peppers are a very important crop in Mexico. However, these peppers have been associated with Salmonella infection outbreaks in the United States, and Salmonella and diarrheagenic Escherichia coli pathotypes have been isolated from jalapeño and serrano peppers in Mexico. To decrease microbial contamination of fruits and vegetables, chemical agents are commonly used; however, chemical agents used to eliminate pathogenic bacteria on vegetables have a limited antimicrobial effect. Roselle ( Hibiscus sabdariffa ) calyces have been reported to have an antimicrobial effect on pathogenic bacteria...
March 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28197528/antimutagenic-effect-of-hibiscus-sabdariffa-l-aqueous-extract-on-rats-treated-with-monosodium-glutamate
#16
Ana Carla Guidini Valentini Gheller, Jacqueline Kerkhoff, Gerardo Magela Vieira Júnior, Kleber Eduardo de Campos, Marina Mariko Sugui
Hibiscus sabdariffa L. is a plant of the Malvaceae family, commonly known as roselle. H. sabdariffa is known to contain antioxidant, cholesterol-lowering, antiobesity, insulin resistance reduction, antihypertensive, and skin cancer chemopreventive properties. This study evaluated the effects of H. sabdariffa aqueous extract against cyclophosphamide (CPA, 25 mg/Kg) induced damage to DNA in male Wistar rats by micronucleus test. Samples of H. sabdariffa calyx were obtained in the municipality of Barra do Garças, Mato Grosso, Brazil...
2017: TheScientificWorldJournal
https://www.readbyqxmd.com/read/28118861/a-report-of-the-efforts-of-the-veterans-health-administration-national-antimicrobial-stewardship-initiative
#17
Allison A Kelly, Makoto M Jones, Kelly L Echevarria, Stephen M Kralovic, Matthew H Samore, Matthew B Goetz, Karl J Madaras-Kelly, Loretta A Simbartl, Anthony P Morreale, Melinda M Neuhauser, Gary A Roselle
OBJECTIVE To detail the activities of the Veterans Health Administration (VHA) Antimicrobial Stewardship Initiative and evaluate outcomes of the program. DESIGN Observational analysis. SETTING The VHA is a large integrated healthcare system serving approximately 6 million individuals annually at more than 140 medical facilities. METHODS Utilization of nationally developed resources, proportional distribution of antibiotics, changes in stewardship practices and patient safety measures were reported. In addition, inpatient antimicrobial use was evaluated before and after implementation of national stewardship activities...
January 25, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28065327/eight-years-of-decreased-methicillin-resistant-staphylococcus-aureus-health-care-associated-infections-associated-with-a-veterans-affairs-prevention-initiative
#18
Martin E Evans, Stephen M Kralovic, Loretta A Simbartl, Rajiv Jain, Gary A Roselle
BACKGROUND: Declines in methicillin-resistant Staphylococcus aureus (MRSA) health care associated infections (HAIs) were previously reported in Veterans Affairs acute care (2012), spinal cord injury (SCIU) (2011), and long-term-care facilities (LTCFs) (2012). Here we report continuing declines in infection rates in these settings through September 2015. METHODS: Monthly data entered into a national database from 127 acute care facilities, 22 SCIUs, and 133 LTCFs were evaluated for trends using negative binomial regression...
January 1, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28049927/hypolipidemic-and-hypocholesterolemic-effect-of-roselle-hibiscus-sabdariffa-l-seeds-oil-in-experimental-male-rats
#19
Rehab F M Ali, Ayman M El-Anany
The current investigation aimed to evaluate the influence of roselle seeds oil (RSO), coconut oil (CNO) and binary mixture of them on serum lipids of experimental rats. Fatty acid composition of native and blended oils was determined. Thirty five male Albino rats (145- 160 g) were used throughout this study. The rats were fed AIN-93G diet containing 10% fat from CNO, RSO, B1 (25%RSO+ 75 %CNO), B2 (50 %RSO+ 50 %CNO or B3 (75 %RSO+ 25 % CNO) for eight weeks. Blood samples were collected at the beginning, every two weeks during the experiment, and at the end of the experiment...
2017: Journal of Oleo Science
https://www.readbyqxmd.com/read/28034712/evaluation-of-a-digital-dispenser-for-direct-curve-dilutions-in-a-vaccine-potency-assay
#20
Christopher Roselle, Dana Whitehouse, Thy Follmer, Fran Ansbro, Silikhone Bouaraphan, Liming Guan, Sha-Ke Wang, Mary Shank-Retzlaff, Thorsten Verch
Dilutions are a common source of analytical error, both in terms of accuracy and precision, and a common source of analyst mistakes. When serial dilutions are used, errors compound, even when employing laboratory automation. Direct point dilutions instead of serial dilutions can reduce error but is often impractical as they require either large diluent volumes or very small sample volumes when performed with traditional liquid handling equipment. We evaluated preparation of dilution curves using a picoliter digital dispenser, the HP, Inc...
March 2017: Journal of Immunological Methods
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