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Sodium bicarbonate

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https://www.readbyqxmd.com/read/28330079/evaluation-of-photosynthetic-efficacy-and-co2-removal-of-microalgae-grown-in-an-enriched-bicarbonate-medium
#1
S Abinandan, S Shanthakumar
Bicarbonate species in the aqueous phase is the primary source for CO2 for the growth of microalgae. The potential of carbon dioxide (CO2) fixation by Chlorella pyrenoidosa in enriched bicarbonate medium was evaluated. In the present study, effects of parameters such as pH, sodium bicarbonate concentration and inoculum size were assessed for the removal of CO2 by C. pyrenoidosa under mixotrophic condition. Central composite design tool from response surface methodology was used to validate statistical methods in order to study the influence of these parameters...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28304195/neutralization-of-bactericidal-activity-related-to-antimicrobial-carryover-in-broiler-carcass-rinse-samples
#2
Gary R Gamble, Mark E Berrang, R Jeff Buhr, Arthur Hinton, Dianna V Bourassa, Kimberly D Ingram, Eric S Adams, Peggy W Feldner, John J Johnston
Studies were conducted to examine the ability of three chemicals to neutralize residual antibacterial activity of commercial antimicrobial chemicals used in poultry processing. Chemical antimicrobial interventions used in poultry processing may have potential for carryover into whole poultry carcass buffered peptone water (BPW) rinses collected for monitoring Salmonella contamination. Such carryover may lead to false-negative results due to continuing bactericidal action of the antimicrobial chemicals in the rinse...
March 17, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28301629/antidote-availability-in-the-municipality-of-campinas-s%C3%A3-o-paulo-brazil
#3
Luciane Cristina Rodrigues Fernandes, Taís Freire Galvão, Adriana Safioti Toledo Ricardi, Eduardo Mello De Capitani, Stephen Hyslop, Fábio Bucaretchi
CONTEXT AND OBJECTIVE: The lack of availability of antidotes in emergency services is a worldwide concern. The aim of the present study was to evaluate the availability of antidotes used for treating poisoning in Campinas (SP). DESIGN AND SETTING: This was a cross-sectional study of emergency services in Campinas, conducted in 2010-2012. METHODS: The availability, amount in stock, place of storage and access time for 26 antidotal treatments was investigated...
March 13, 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28299023/the-effect-of-osmotherapy-and-tight-control-of-acidosis-on-early-graft-function-among-deceased-donor-kidney-transplant-recipients-a-randomized-controlled-trial
#4
F Etezadi, A H Najafi Abrandabadi, J Motaharinia, M Mojtahedzadeh, P Pourfakhr, M R Khajavi, S Gooran, R Shariat Moharari, S Dehghani
BACKGROUND: Reperfusion injury and the acid-base status of the transplant are important factors affecting post-transplantation graft function. OBJECTIVE: We hypothesized that infusing hypertonic saline (HS) or tight control of acid-base status of the blood rushing through renal graft using sodium bicarbonate may have beneficial effects on early graft function. METHODS: Candidates for deceased-donor kidney transplant were randomized into three groups...
2017: International Journal of Organ Transplantation Medicine
https://www.readbyqxmd.com/read/28298972/effectiveness-of-sodium-bicarbonate-combined-with-hydrogen-peroxide-and-cpp-acpf-in-whitening-and-microhardness-of-enamel
#5
Farzaneh Ahrari, Nadia Hasanzadeh, Omid Rajabi, Zakiyeh Forouzannejad
BACKGROUND: This study investigated the effects of sodium bicarbonate (NaHCO3) combined with 1.5% hydrogen peroxide (H2O2) and casein phosphopeptide amorphous calcium phosphate fluoride (CPP-ACPF) on color and microhardness of enamel. MATERIAL AND METHODS: Seventy-five bovine incisors were immersed in a tea solution for 7.5 days. The specimens were randomly divided into five groups according to the whitening agent applied: 1) 94% NaHCO3, 2) a blend of 94% NaHCO3 and CPP-ACPF, 3) a blend of 94% NaHCO3 and 1...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28290217/effect-of-volume-of-porogens-on-the-porosity-of-plga-scaffolds-in-ph-controlled-environment
#6
Manish Gupta, Adeyinka Aina, Yamina Boukari, Stephen Doughty, Andrew Morris, Nashiru Billa
Poly(lactic-co-glycolic acid) is a well-studied biodegradable polymer used in drug delivery and other medical applications such as in tissue regeneration. It is often necessary to impart porosity within the scaffold (microparticles) in order to promote the growth of tissue during the regeneration process. Sodium chloride and ammonium bicarbonate have been extensively used as porogens in the generation of porous microstructure. In this study we compared the effect of volumes (250 µl, 500 µl and 750 µl) of two porogens, sodium chloride (1...
March 14, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28288246/acute-kidney-injury-in-children-with-type-1-diabetes-hospitalized-for-diabetic-ketoacidosis
#7
Brenden E Hursh, Rebecca Ronsley, Nazrul Islam, Cherry Mammen, Constadina Panagiotopoulos
Importance: Acute kidney injury (AKI) in children is associated with poor short-term and long-term health outcomes; however, the frequency of AKI in children hospitalized for diabetic ketoacidosis (DKA) has not been previously examined. Objectives: To determine the proportion of children hospitalized for DKA who develop AKI and to identify the associated clinical and biochemical markers of AKI. Design, Setting, and Participants: This medical record review of all DKA admissions from September 1, 2008, through December 31, 2013, was conducted at British Columbia Children's Hospital, the tertiary pediatric hospital in British Columbia, Canada...
March 13, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28287372/thermodesulfitimonas-autotrophica-gen-nov-sp-nov-a-thermophilic-obligate-sulfite-reducing-bacterium-isolated-from-a-terrestrial-hot-spring
#8
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 45-72 °C (optimum 65 °C) and pH 5.5-8.5 (optimum 6.0-6.5). The strain grew chemolithoautotrophically with molecular hydrogen as an electron donor, sodium sulfite or SO2 gas as an electron acceptor and bicarbonate/CO2 as a carbon source. Sulfate, thiosulfate, elemental sulfur, Fe(III) or nitrate were not used as electron acceptors either with H2 or organic electron donors...
February 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28280973/determinants-of-curvature-constant-w-of-the-power-duration-relationship-under-normoxia-and-hypoxia-the-effect-of-pre-exercise-alkalosis
#9
Sanjoy K Deb, Lewis A Gough, S Andy Sparks, Lars R McNaughton
PURPOSE: This study investigated the effect of induced alkalosis on the curvature constant (W') of the power-duration relationship under normoxic and hypoxic conditions. METHODS: Eleven trained cyclists (mean ± SD) Age: 32 ± 7.2 years; body mass (bm): 77.0 ± 9.2 kg; VO2peak: 59.2 ± 6.8 ml·kg(-1)·min(-1) completed seven laboratory visits which involved the determination of individual time to peak alkalosis following sodium bicarbonate (NaHCO3) ingestion, an environment specific ramp test (e...
March 9, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28276202/safety-osseointegration-and-bone-ingrowth-analysis-of-pmma-based-porous-cement-on-animal-metaphyseal-bone-defect-model
#10
Bruno Cimatti, Mariana Avelino Dos Santos, Maria Sol Brassesco, Laura Tiemi Okano, Wendell Monteiro Barboza, Marcello Henrique Nogueira-Barbosa, Edgard Eduard Engel
Bone defects created after curettage of benign bone tumors are customarily filled with solid poly(methyl methacrylate) (PMMA) or other bone substitutes. In this study, we depicted a porous PMMA-based cement (produced by mixing sodium bicarbonate and citric acid) and evaluated the prospect of its clinic application. Cement samples were characterized by high-performance liquid chromatography (HPLC) coupled to mass spectrometry and its cytotoxicity evaluated in fibroblast cultures. Implantation in rabbits allowed the histologic analysis of bone, kidneys, and liver for toxicity and coagulation tests, and MRI images for hemostasis evaluation...
March 9, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28267463/early-inpatient-calculation-of-laboratory-based-30-day-readmission-risk-scores-empowers-clinical-risk-modification-during-index-hospitalization
#11
Benjamin D Horne, Deborah Budge, Andrew L Masica, Lucy A Savitz, José Benuzillo, Gabriela Cantu, Alejandra Bradshaw, Raymond O McCubrey, Tami L Bair, Colleen A Roberts, Kismet D Rasmusson, Rami Alharethi, Abdallah G Kfoury, Brent C James, Donald L Lappé
Improving 30-day readmission continues to be problematic for most hospitals. This study reports the creation and validation of sex-specific inpatient (i) heart failure (HF) risk scores using electronic data from the beginning of inpatient care for effective and efficient prediction of 30-day readmission risk. METHODS: HF patients hospitalized at Intermountain Healthcare from 2005 to 2012 (derivation: n=6079; validation: n=2663) and Baylor Scott & White Health (North Region) from 2005 to 2013 (validation: n=5162) were studied...
March 2017: American Heart Journal
https://www.readbyqxmd.com/read/28259813/integrated-bicarbonate-form-ion-exchange-treatment-and-regeneration-for-doc-removal-model-development-and-pilot-plant-study
#12
Yue Hu, Treavor H Boyer
The application of bicarbonate-form anion exchange resin and sodium bicarbonate salt for resin regeneration was investigated in this research is to reduce chloride ion release during treatment and the disposal burden of sodium chloride regeneration solution when using traditional chloride-form ion exchange (IX). The target contaminant in this research was dissolved organic carbon (DOC). The performance evaluation was conducted in a completely mixed flow reactor (CMFR) IX configuration. A process model that integrated treatment and regeneration was investigated based on the characteristics of configuration...
February 8, 2017: Water Research
https://www.readbyqxmd.com/read/28257881/dual-mechanism-gastroretentive-drug-delivery-system-loaded-with-an-amorphous-solid-dispersion-prepared-by-hot-melt-extrusion
#13
Anh Q Vo, Xin Feng, Manjeet Pimparade, Xinyou Ye, Dong Wuk Kim, Scott T Martin, Michael A Repka
In the present study, we aimed to prepare a gastroretentive drug delivery system that would be both highly resistant to gastric emptying via multiple mechanisms and would also potentially induce in situ supersaturation. The bioadhesive floating pellets, loaded with an amorphous solid dispersion, were prepared in a single step of hot-melt extrusion technology. Hydroxypropyl cellulose (Klucel™ MF) and hypromellose (Benecel™ K15M) were used as matrix-forming polymers, and felodipine was used as the model drug...
February 28, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28257848/molecular-characterization-of-pacific-white-shrimp-litopenaeus-vannamei-sodium-bicarbonate-cotransporter-nbc-and-its-role-in-response-to-ph-stress
#14
Yi-Ming Cai, Ting Chen, Chun-Hua Ren, Wen Huang, Xiao Jiang, Yan Gao, Da Huo, Chao-Qun Hu
The sodium bicarbonate cotransporter (NBC) is an integral membrane ion transporter that can transport HCO3(-) (or a related species, such as CO3(2-)) across the plasma membrane. Previous researches revealed that NBC might play an important role in the regulation of intracellular pH in vertebrates. In the present study, an NBC cDNA was identified from Pacific white shrimp (Litopenaeus vannamei) and designated as Lv-NBC. The full-length Lv-NBC cDNA is 4479 bp in size, containing a 5'-untranslated region (UTR) of 59 bp, a 3'-UTR of 835 bp and an open reading frame (ORF) of 3585 bp that encodes a protein of 1194 amino acids with a deduced molecular weight of 134...
February 28, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28251437/functional-genes-and-thermophilic-microorganisms-responsible-for-arsenite-oxidation-from-the-shallow-sediment-of-an-untraversed-hot-spring-outlet
#15
Ye Yang, Yao Mu, Xian-Chun Zeng, Weiwei Wu, Jie Yuan, Yichen Liu, E Guoji, Feng Luo, Xiaoming Chen, Hao Li, Jianing Wang
Hot Springs have unique geochemical features. Microorganisms-mediated arsenite oxidation is one of the major biogeochemical processes occurred in some hot springs. This study aimed to understand the diversities of genes and microorganisms involved in arsenite oxidation from the outlet of an untraversed hot spring located at an altitude of 4226 m. Microcosm assay indicated that the microbial community from the hot spring was able to efficiently oxidize As(III) using glucose, lactic acid, yeast extract or sodium bicarbonate as the sole carbon source...
March 1, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28240185/design-synthesis-and-molecular-docking-of-1-cyclopropyl-6-fluoro-4-oxo-7-4-2-4-substituted-phenyl-2-substituted-ethyl-1-piperazinyl-1-4-dihydroquinoline-3-carboxylic-acid-as-an-antimicrobial-agents
#16
Mehul M Patel, Laxman J Patel
BACKGROUND: Quinolone scaffold are widely used for synthesis of number of medicinal compounds with variety of biological activity. In view of the reported antimicrobial activity of various fluoroquinolones, the structure activity studies of various substituted quinolones, which proved the importance of the C-7 substituents to exhibit potent antimicrobial activities. OBJECTIVE: Based on the structural activity relationship at C-7 position it was rationalized to design and synthesize new quinolone derivatives with increasing bulk at C-7 position of the main 6-fluoroquinolone scaffold...
February 24, 2017: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/28236792/facile-fabrication-of-polyurethane-microcapsules-carriers-for-tracing-cellular-internalization-and-intracellular-ph-triggered-drug-release
#17
Yuqing Niu, Florian J Stadler, Jun Song, Siping Chen, Shiguo Chen
A tailor-made traceable pH-sensitive drug delivery system based on polyurethane (PU) microcapsules was fabricated using a facile double-emulsion method containing 3,3'-dioctadecyloxacarbocyanine perchlorate, doxorubicin (DOX) and sodium bicarbonate (NaHCO3). When PU microcapsules were immersed in acidic media, NaHCO3 could react with the H(+) to quickly produce CO2 bubbles to puncture the PU shell, resulting in rapid release of DOX to promptly reach the intracellular drug therapeutic threshold to kill cancer cells in a short period...
February 17, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28235546/non-traumatic-rhabdomyolysis-background-laboratory-features-and-acute-clinical-management
#18
REVIEW
Gianfranco Cervellin, Ivan Comelli, Mario Benatti, Fabian Sanchis-Gomar, Antonella Bassi, Giuseppe Lippi
Rhabdomyolysis is a relatively rare condition, but its clinical consequences are frequently dramatic in terms of both morbidity and mortality. Although no consensus has been reached so far about the precise definition of this condition, the term rhabdomyolysis describes a rapid breakdown of striated, or skeletal, muscle. It is hence characterized by the rupture and necrosis of muscle fibers, resulting in release of cell degradation products and intracellular elements within the bloodstream and extracellular space...
February 21, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28229390/the-reproducibility-of-blood-acid-base-responses-in-male-collegiate-athletes-following-individualised-doses-of-sodium-bicarbonate-a-randomised-controlled-crossover-study
#19
Lewis A Gough, Sanjoy K Deb, Andy S Sparks, Lars R McNaughton
BACKGROUND: Current evidence suggests sodium bicarbonate (NaHCO3) should be ingested based upon the individualised alkalotic peak of either blood pH or bicarbonate (HCO3(-)) because of large inter-individual variations (10-180 min). If such a strategy is to be practical, the blood analyte response needs to be reproducible. OBJECTIVE: This study aimed to evaluate the degree of reproducibility of both time to peak (TTP) and absolute change in blood pH, HCO3(-) and sodium (Na(+)) following acute NaHCO3 ingestion...
February 22, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28228777/natural-mineral-waters-chemical-characteristics-and-health-effects
#20
REVIEW
Sara Quattrini, Barbara Pampaloni, Maria Luisa Brandi
Water contributes significantly to health and a daily intake of 1.5 to 2 liters of water should be guaranteed, because a good hydration is essential to maintain the body water equilibrium, although needs may vary among people. However, worldwide population is far from the Recommended Allowance for water intake. Among the waters for human uses, there are 'waters (treated or not), intended for drinking, used for the food and beverages preparation or for other domestic purposes' and natural mineral waters, that are 'originated from an aquifer or underground reservoir, spring from one or more natural or bore sources and have specific hygienic features and, eventually, healthy properties'...
September 2016: Clinical Cases in Mineral and Bone Metabolism
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