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Sodium bicarbonate

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https://www.readbyqxmd.com/read/27902337/thermodesulfitimonas-autotrophica-gen-nov-sp-nov-a-thermophilic-obligate-sulfite-reducing-bacterium-isolated-from-a-terrestrial-hot-spring
#1
G B Slobodkina, R V Baslerov, A A Novikov, E A Bonch-Osmolovskaya, A I Slobodkin
A novel thermophilic, anaerobic, chemolithoautotrophic bacterium, strain SF97T, was isolated from a terrestrial hot spring (Kuril Islands, Russia). Cells of strain SF97T were rod-shaped and motile with a Gram-positive cell-wall type. The novel isolate grew at 45-72oC (optimum 65oC) and pH 5.5-8.5 (optimum 6.0-6.5). The strain grew chemolithoautotrophically with molecular hydrogen as electron donor, sodium sulfite or SO2 gas as electron acceptor and bicarbonate/CO2 as a carbon source. Sulfate, thiosulfate, elemental sulfur, Fe(III) or nitrate were not used as an electron acceptors either with H2 or organic electron donors...
October 27, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27901234/air-powder-polishing-on-self-ligating-brackets-after-clinical-use-effects-on-debris-levels
#2
Mônica L S Castro Aragón, Leandro Santiago Lima, David Normando
Introduction: Debris buildup on brackets and arch surfaces is one of the main factors that can influence the intensity of friction between bracket and orthodontic wire. Objective: This study sought to evaluate the effect of air-powder polishing cleaning on debris levels of self-ligating ceramic brackets at the end of orthodontic treatment, compared to the behavior of conventional brackets. Methods: Debris levels were evaluated in metal conventional orthodontic brackets (n = 42) and ceramic self-ligating brackets (n = 42) on canines and premolars, arranged in pairs...
September 2016: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/27894783/comparison-of-speed-vacuum-method-and-heat-drying-method-to-measure-brain-water-content-of-small-brain-samples
#3
Anne Sebastiani, Tobias Hirnet, Antje Jahn-Eimermacher, Serge C Thal
BACKGROUND: A reliable measurement of brain water content (wet-to-dry ratio) is an important prerequisite for conducting research on mechanisms of brain edema formation. The conventionally used oven-drying method suffers from several limitations, especially in small samples. A technically demanding and time-consuming alternative is freeze-drying. NEW METHOD: Centrifugal vacuum concentrators (e.g. SpeedVac/speed-vacuum drying) are a combination of vacuum-drying and centrifugation, used to reduce the boiling temperature...
November 25, 2016: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/27891239/two-cases-of-methyl-alcohol-intoxication-by-sub-chronic-inhalation-and-dermal-exposure-during-aluminum-cnc-cutting-in-a-small-sized-subcontracted-factory
#4
Jia Ryu, Key Hwan Lim, Dong-Ryeol Ryu, Hyang Woon Lee, Ji Young Yun, Seoung-Wook Kim, Ji-Hoon Kim, Kyunghee Jung-Choi, Hyunjoo Kim
BACKGROUND: Methyl alcohol poisoning has been mainly reported in community. Two cases of methyl alcohol poisoning occurred in a small-sized subcontracted factory which manufactured smartphone parts in Korea. CASE PRESENTATION: One young female patient presented with dyspnea and visual disturbance. Another young male patient presented with visual disturbance and myalgia. They treated with sodium bicarbonate infusion and hemodialysis for metabolic acidosis. In addition, he received ethyl alcohol per oral treatment...
2016: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/27882611/chronic-lactate-supplementation-does-not-improve-blood-buffering-capacity-and-repeated-high-intensity-exercise
#5
L F Oliveira, V de Salles Painelli, K Nemezio, L S Gonçalves, G Yamaguchi, B Saunders, B Gualano, G G Artioli
Since there is conflicting data on the buffering and ergogenic properties of calcium lactate (CL), we investigated the effect of chronic CL supplementation on blood pH, bicarbonate, and high-intensity intermittent exercise performance. Sodium bicarbonate (SB) was used as a positive control. Eighteen athletes participated in this double-blind, placebo-controlled, crossover, fully counterbalanced study. All participants underwent three different treatments: placebo (PL), CL, and SB. The dose was identical in all conditions: 500 mg/kg BM divided into four daily individual doses of 125 mg/kg BM, for five consecutive days, followed by a 2-7-day washout period...
November 23, 2016: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/27876158/is-bicarbonate-therapy-useful
#6
REVIEW
Kate Hopper
Despite concerns about the negative effects of metabolic acidosis, there is minimal evidence that sodium bicarbonate administration is an effective treatment. In addition, sodium bicarbonate therapy is associated with many adverse effects, including paradoxic intracellular acidosis, hypokalemia, hypocalcemia, hypernatremia, and hyperosmolality. Definitive recommendations regarding bicarbonate therapy are challenging as there is little high-quality evidence available. In most clinical scenarios of metabolic acidosis, treatment efforts should focus on resolution of the underlying cause, and sodium bicarbonate therapy should be used with caution, if at all...
November 18, 2016: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/27875766/augmentation-of-bacterial-homeostasis-by-regulating-in-situ-buffer-capacity-significance-of-total-dissolved-salts-over-acidogenic-metabolism
#7
S Venkata Mohan, S Srikanth, G N Nikhil
During anaerobic fermentation, consequent accumulation of acidic fermented products leads to the failure of pH homeostasis. The present study aimed to comprehend the changes in buffering capacity with addition of sodium salts of hydroxide, bicarbonate and phosphate. The results showed notable augmentation in buffer capacity and cumulative hydrogen production (CHP) compared to control. The influential factor is the amount of undissociated volatile fatty acids released that affected the cell metabolism and consequently biohydrogen generation...
November 9, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/27867678/reduced-dental-plaque-formation-in-dogs-drinking-a-solution-containing-natural-antimicrobial-herbal-enzymes-and-organic-matcha-green-tea
#8
Michael I Lindinger
The results of an exploratory, multicenter clinical study confirmed the hypothesis that a novel, natural, and safe oral care product (OCP) reduced the rate of plaque formation on teeth of dogs consuming the OCP (antimicrobial plant-derived enzymes, organic matcha green tea, cultured dextrose, sodium bicarbonate, and ascorbic acid) compared to controls. Healthy dogs without periodontitis, of varying breeds, sex, and age, were recruited and enrolled, using nonrandomized stratification methods, into a control and treatment groups...
2016: Scientifica
https://www.readbyqxmd.com/read/27866361/hydrogeochemical-characterization-of-the-thermal-springs-in-northeastern-of-los-cabos-block-baja-california-sur-m%C3%A3-xico
#9
Pablo Hernández-Morales, Jobst Wurl
The existence of hot springs in the northeastern part of Los Cabos Baja California Sur (BCS), is known from pre-Hispanic times, but their hydrochemical composition had not been previously described. Several springs are located within the watershed of Santiago, and the objective of this study was to define the hydrogeochemical composition of the thermal springs and to characterize the geothermal reservoir. A total of 16 water samples were taken in 11 geothermal manifestations under dry (June 2014) and humid (March 2015) conditions...
November 19, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27852069/acidic-ph-reduces-vegf-mediated-endothelial-cell-responses-by-downregulation-of-vegfr-2-relevance-for-anti-angiogenic-therapies
#10
Seraina Faes, Emilie Uldry, Anne Planche, Tania Santoro, Catherine Pythoud, Nicolas Demartines, Olivier Dormond
Anti-angiogenic treatments targeting the vascular endothelial growth factor or its receptors have shown clinical benefits. However, impact on long-term survival remains limited. Solid tumors display an acidic microenvironment that profoundly influences their biology. Consequences of acidity on endothelial cells and anti-angiogenic therapies remain poorly characterized and hence are the focus of this study. We found that exposing endothelial cells to acidic extracellular pH resulted in reduced cell proliferation and migration...
November 12, 2016: Oncotarget
https://www.readbyqxmd.com/read/27849725/45-evaluation-of-sodium-bicarbonate-administration-during-in-hospital-cardiac-arrest
#11
Jessica Cowell, Joseph Rinka, Adam Biggs, William Peppard
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27834492/single-and-combined-effects-of-beetroot-crystals-and-sodium-bicarbonate-on-4-km-cycling-time-trial-performance
#12
Marcus J Callahan, Evelyn B Parr, John A Hawley, Louise M Burke
When ingested alone, beetroot juice and sodium bicarbonate are ergogenic for high-intensity exercise performance. This study sought to determine the independent and combined effects of these supplements. Eight endurance trained (V̇O2max 65 mL·kg·min(-1)) male cyclists completed four x 4-km time trials (TT) in a double-blind Latin square design supplementing with beetroot crystals (BC) for 3 days (15 g.day(-1) + 15 g 1 h prior to TT, containing 300 mg nitrate per 15 g), bicarbonate (Bi 0.3 g·kg(-1) body mass [BM] in 5 doses every 15 min from 2...
November 11, 2016: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/27826706/clinical-associations-of-early-dysnatremias-in-critically-ill-neonates-and-infants-undergoing-cardiac-surgery
#13
Jon Kaufman, Daniel Phadke, Suhong Tong, Jennifer Eshelman, Sarah Newman, Christopher Ruzas, Eduardo M da Cruz, Suzanne Osorio
: Dysnatremias (DN) are common electrolyte disturbances in cardiac critical illness and are known risk factors for adverse outcomes in certain populations. Little information exists on DN in children with cardiac disease admitted to the cardiac intensive care unit (CICU) after undergoing cardiac surgery, either corrective or palliative. The aim was to determine the incidence and adverse outcomes associated with DN in neonates and infants undergoing cardiac surgery. Retrospective cohort and single center study performed at Children's Hospital Colorado from May 2013 to May 2014, in children under 1 year old admitted to the CICU after undergoing surgery for congenital or acquired cardiac disease...
November 8, 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27818697/efficacy-and-safety-of-a-natural-remedy-for-the-treatment-of-gastroesophageal-reflux-a-double-blinded-randomized-controlled-study
#14
Umberto Alecci, Francesco Bonina, Andrea Bonina, Luisa Rizza, Santi Inferrera, Carmen Mannucci, Gioacchino Calapai
Gastroesophageal reflux (GER) is a common, chronic, relapsing symptom. Often people self-diagnose and self-treat it even though health-related quality of life is significantly impaired. In the lack of a valid alternative approach, current treatments focus on suppression of gastric acid secretion by the use of proton pump inhibitors (PPIs), but people with GER have a significantly lower response rate to therapy. We designed a randomized double-blinded controlled clinical study to evaluate the efficacy and the safety of a formulation based on sodium alginate/bicarbonate in combination with extracts obtained from Opuntia ficus-indica and Olea europaea associated with polyphenols (Mucosave®; verum), on GER-related symptoms...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/27813150/impact-of-a-sodium-carbonate-spray-combined-with-professional-oral-hygiene-procedures-in-patients-with-sj%C3%A3-gren-s-syndrome-an-explorative-study
#15
Alessio Gambino, Roberto Broccoletti, Adriana Cafaro, Marco Cabras, Paola Carcieri, Paolo G Arduino
OBJECTIVES: The aim of this study was to make an initial estimation on the effects of a sodium bicarbonate and xylitol spray (Cariex(®) ), associated with non-surgical periodontal therapy, in participants with primary Sjögren's syndrome. BACKGROUND: Sjögren's syndrome (SS) is a multisystem autoimmune disease that predominantly involves salivary and lachrymal glands, with the clinical effect of dry eyes and mouth. MATERIALS AND METHODS: A prospective cohort of 22 women and two men has been evaluated...
November 4, 2016: Gerodontology
https://www.readbyqxmd.com/read/27812356/effectiveness-of-washing-procedures-in-reducing-salmonella-enterica-and-listeria-monocytogenes-on-a-raw-leafy-green-vegetable-eruca-vesicaria
#16
Alessandra Pezzuto, Simone Belluco, Carmen Losasso, Ilaria Patuzzi, Paola Bordin, Alessia Piovesana, Damiano Comin, Renzo Mioni, Antonia Ricci
Vegetables are an important source of nutrients, but they can host a large microbial population, particularly bacteria. Foodborne pathogens can contaminate raw vegetables at any stage of their production process with a potential for human infection. Appropriate washing can mitigate the risk of foodborne illness consequent to vegetable consumption by reducing pathogen levels, but few data are available to assess the efficacy of different practices. In the present work, six different washing methods, in the presence or absence of sanitisers (peracetic acid and percitric acid, sodium bicarbonate, sodium hypochlorite) and vinegar, were tested for their effectiveness in reducing Salmonella and Listeria counts after artificial contamination of raw rocket (Eruca vesicaria)...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27799298/annals-express-uptake-of-recommended-common-reference-intervals-for-chemical-pathology-in-australia
#17
Graham Jones, Sabrina Koetsier
BackgroundReference intervals are a vital part of reporting numerical pathology results. It is known however that variation in reference intervals between laboratories is common, even when analytical methods support common reference intervals. In response to this in Australia, the Australasian Association of Clinical Biochemists (AACB) together with the Royal College of Pathologists of Australasia (RCPA) published in 2014 a set of recommended common reference intervals for twelve common serum analytes (sodium, potassium, chloride, bicarbonate, creatinine male, creatinine female, calcium, calcium adjusted for albumin, phosphate, magnesium, lactate dehydrogenase, alkaline phosphatase, total protein)...
October 31, 2016: Annals of Clinical Biochemistry
https://www.readbyqxmd.com/read/27797728/%C3%AE-alanine-supplementation-to-improve-exercise-capacity-and-performance-a-systematic-review-and-meta-analysis
#18
Bryan Saunders, Kirsty Elliott-Sale, Guilherme G Artioli, Paul A Swinton, Eimear Dolan, Hamilton Roschel, Craig Sale, Bruno Gualano
OBJECTIVE: To conduct a systematic review and meta-analysis of the evidence on the effects of β-alanine supplementation on exercise capacity and performance. DESIGN: This study was designed in accordance with PRISMA guidelines. A 3-level mixed effects model was employed to model effect sizes and account for dependencies within data. DATA SOURCES: 3 databases (PubMed, Google Scholar, Web of Science) were searched using a number of terms ('β-alanine' and 'Beta-alanine' combined with 'supplementation', 'exercise', 'training', 'athlete', 'performance' and 'carnosine')...
October 18, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27795274/genome-sequence-of-carbon-dioxide-sequestering-serratia-sp-strain-istd04-isolated-from-marble-mining-rocks
#19
Manish Kumar, Rajesh Kumar Gazara, Sandhya Verma, Madan Kumar, Praveen Kumar Verma, Indu Shekhar Thakur
The Serratia sp. strain ISTD04 has been identified as a carbon dioxide (CO2)-sequestering bacterium isolated from marble mining rocks in the Umra area, Rajasthan, India. This strain grows chemolithotrophically on media that contain sodium bicarbonate (NaHCO3) as the sole carbon source. Here, we report the genome sequence of 5.07 Mb Serratia sp. ISTD04.
October 20, 2016: Genome Announcements
https://www.readbyqxmd.com/read/27768020/clinical-efficacy-of-a-solution-composed-by-sodium-bicarbonate-and-alginate-aloe-vera-propoli-chamomile-calendula-and-honey-in-the-treatment-of-minor-recurrent-aphthous-stomatitis-in-children
#20
Elena Bardellini, Francesca Amadori, Giulio Conti, Alessandra Majorana
No abstract text is available yet for this article.
December 2016: Minerva Pediatrica
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