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potassium citrate

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https://www.readbyqxmd.com/read/28715463/potassium-citrate-prevents-increased-osteoclastogenesis-resulting-from-acidic-conditions-implication-for-the-treatment-of-postmenopausal-bone-loss
#1
Donatella Granchi, Elena Torreggiani, Annamaria Massa, Renata Caudarella, Gemma Di Pompo, Nicola Baldini
The extracellular acidic milieu in bones results in activation of osteoclasts (OC) and inhibition of osteoblasts (OB) causing a net loss of calcium from the skeleton and the deterioration of bone microarchitecture. Alkalinization through supplementation with potassium citrate (K citrate) has been proposed to limit the osteopenia progression, even though its pharmacological activity in bone microenvironment is not well defined. We evaluated if K citrate was able to prevent the adverse effects that acidic milieu induces on bone cells...
2017: PloS One
https://www.readbyqxmd.com/read/28694730/topiramate-induced-metabolic-acidosis-and-kidney-stones-a-case-study
#2
Tomas Salek, Ivan Andel, Irena Kurfurstova
INTRODUCTION: The aim of this study is to present a case of 44 years old woman with topiramate induced metabolic acidosis and kidney stones. MATERIALS AND METHODS: The laboratory features of topiramate caused renal tubular acidosis in blood and urine during topiramate treatment, with correction of metabolic acidosis by potassium citrate, and after topiramate withdrawal are presented. Differential diagnosis of all possible causes of metabolic acidosis is discussed...
June 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/28679982/pseudomelanosis-duodeni-a-case-report
#3
Masaya Iwamuro, Shohei Oka, Hiromitsu Kanzaki, Takehiro Tanaka, Seiji Kawano, Yoshiro Kawahara, Hiroyuki Okada
An 83-year-old Japanese man underwent esophagogastroduodenoscopy for screening purposes. He had a medical history of hypertension, chronic kidney disease, chronic heart failure, and chronic myeloid leukemia, and he had been taking the following medications:ferrous citrate, furosemide, spironolactone, tolvaptan, bisoprolol, nicorandil, warfarin, nilotinib, febuxostat, esomeprazole, digestive enzyme complex, ambroxol, carbocysteine, and potassium L-aspartate. Esophagogastroduodenoscopy revealed a brownish speckled pigmentation in the duodenal bulb...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/28673194/evaluation-of-ctad-citrate-theophylline-adenosine-dipyridamole-as-a-universal-anticoagulant-in-dogs
#4
Fanny A Granat, Anne Geffré, Laetitia A Lucarelli, Jean-Pierre D Braun, Catherine Trumel, Nathalie H Bourgès-Abella
CTAD (citrate-theophylline-adenosine-dipyridamole) has been shown to be an almost universal anticoagulant in human and feline medicine, allowing most hematology, coagulation, and biochemical analyses. Forty canine blood specimens were collected in CTAD, EDTA, heparin, and citrate for hematology, biochemistry, and coagulation analyses. CTAD partially limited platelet aggregation observed in EDTA blood smears. CTAD specimens gave similar and well-correlated results for most variables of a complete blood cell count, except for mean corpuscular volume, which was moderately higher, and mean corpuscular hemoglobin concentration, which was moderately lower in CTAD than in EDTA; reticulocyte and platelet indexes were poorly correlated...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28672265/facile-preparation-of-intercrossed-stacked-porous-carbon-originated-from-potassium-citrate-and-their-highly-effective-adsorption-performance-for-chloramphenicol
#5
Sujun Tian, Jiangdong Dai, Yinhua Jiang, Zhongshuai Chang, Atian Xie, Jinsong He, Ruilong Zhang, Yongsheng Yan
Recently, antibiotics pollution has attracted more interests from many researches which causes potential risks on the ecosystem and human health. Herein, the porous carbons (PCs) was prepared by directly simultaneous carbonization/self-activation of potassium citrate at 750-900°C for chloramphenicol (CAP) removal from aqueous solution. The batch experiments were studied, which indicated that PCs prepared at 850°C, namely PCPCs-850, possessed excellent adsorption ability for CAP with a maximum adsorption amount of 506...
June 19, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28638159/in-vitro-evaluation-of-the-fresenius-kabi-catsmart-autotransfusion-system
#6
Melissa Alberts, Robert C Groom, Richard Walczak, Robert Kramer, Adrienne Karpiel, Jeanette Dieter, Lisa Sheth, Nathaniel H Greene, Edmund H Jooste
Use of autotransfusion systems to collect, wash, and concentrate shed blood during surgical procedures is a widely used method for reducing postoperative anemia and the need for blood transfusions. The aim of this study was to evaluate the CATSmart Continuous Autotransfusion System wash program performance with small (200 or 700 mL) and large volumes (1,000 mL) of shed blood and to determine non-inferiority of the CATSmart to the C.A.T.S (plus) system. Human whole blood was collected in citrate phosphate dextrose, diluted, and divided into two aliquots to be processed as a pair using the C...
June 2017: Journal of Extra-corporeal Technology
https://www.readbyqxmd.com/read/28578132/effect-of-electro-activated-aqueous-solutions-nisin-and-moderate-heat-treatment-on-the-inactivation-of-clostridium-sporogenes-pa-3679-spores-in-green-beans-puree-and-whole-green-beans
#7
Omar El Jaam, Ismail Fliss, Mohammed Aïder
In this work, the synergistic effect of electro-activated solutions (EAS) of potassium acetate and potassium citrate, nisin and moderate heat treatment to inactivate C. sporogenes PA 3679 spores was evaluated in green beans puree and whole green beans. Electro-activated solutions (EAS) of potassium acetate and potassium citrate were generated under 400 mA during 60 min. They were characterized by an oxidation-reduction potential (ORP) and pH values ranged from +300 to +1090 mV and 2.8 to 3.67, respectively...
May 31, 2017: Anaerobe
https://www.readbyqxmd.com/read/28537440/metabolic-characteristics-and-risks-associated-with-stone-recurrence-in-korean-young-adult-stone-patients
#8
Ho Won Kang, Sung Pil Seo, Won Tae Kim, Yong-June Kim, Seok Joong Yun, Wun-Jae Kim, Sang-Cheol Lee
PURPOSE The aim of the present study was to assess the metabolic characteristics and risk of stone recurrence in young adult stone patients in Korea. PATIENTS AND METHODS The medical records of 1,532 patients presenting with renal or ureteric stones at our stone clinic between 1994 and 2015 were retrospectively reviewed. Patients were grouped according to age (young adult, 18-29yr; intermediate onset, 30-59yr; old age, ≥ 60 yr) at first presentation and measurements of clinicometabolic characteristics and risks of stone recurrence were compared...
May 24, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28529700/effect-of-citrus-based-products-on-urine-profile-a-systematic-review-and-meta-analysis
#9
Fakhri Rahman, Ponco Birowo, Indah S Widyahening, Nur Rasyid
Background. Urolithiasis is a disease with high recurrence rate, 30-50% within 5 years. The aim of the present study was to learn the effects of citrus-based products on the urine profile in healthy persons and people with urolithiasis compared to control diet and potassium citrate.  Methods. A systematic review was performed, which included interventional, prospective observational and retrospective studies, comparing citrus-based therapy with standard diet therapy, mineral water, or potassium citrate. A literature search was conducted using PUBMED, COCHRANE, and Google Scholar with "citrus or lemonade or orange or grapefruit or lime or juice" and "urolithiasis" as search terms...
2017: F1000Research
https://www.readbyqxmd.com/read/28509131/growth-hormone-therapy-for-a-patient-with-idiopathic-fanconi-syndrome-and-growth-hormone-deficiency
#10
Takayuki Okamoto, Yasuyuki Sato, Takeshi Yamazaki, Asako Hayashi, Toshiyuki Takahashi
Idiopathic Fanconi syndrome (FS) is characterized by a generalized dysfunction of the renal proximal tubules. Patients with FS often exhibit growth retardation due to complex factors, such as hypophosphatemia, metabolic acidosis, disturbed vitamin D metabolism and hypokalemia. To date, one FS patient has been reported to exhibit growth failure due to growth hormone deficiency (GHD), but the long-term clinical course of recombinant human GH (rhGH) therapy has not been reported. At 10 months of age, the patient was admitted to our hospital due to growth failure...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28458127/purification-of-%C3%AE-mannanase-derived-from-bacillus-subtilis-atcc-11774-using-ionic-liquid-as-adjuvant-in-aqueous-two-phase-system
#11
Nur Fazrin Husna Abdul Aziz, Sahar Abbasiliasi, Hui Suan Ng, Pongsathon Phapugrangkul, Mohamad Hafizi Abu Bakar, Yew Joon Tam, Joo Shun Tan
The partitioning of β-mannanase derived from Bacillus subtilis ATCC 11774 in aqueous two-phase system (ATPS) was studied. The ATPS containing different molecular weight of polyethylene glycol (PEG) and types of salt were employed in this study. The PEG/salt composition for the partitioning of β-mannanase was optimized using response surface methodology. The study demonstrated that ATPS consists of 25% (w/w) of PEG 6000 and 12.52% (w/w) of potassium citrate is the optimum composition for the purification of β-mannanase with a purification fold (PF) of 2...
June 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28441628/potassium-deficiency-affects-the-carbon-nitrogen-balance-in-cotton-leaves
#12
Wei Hu, Taylor D Coomer, Dimitra A Loka, Derrick M Oosterhuis, Zhiguo Zhou
Potassium (K) plays important roles in the metabolism of carbon (C) and nitrogen (N), but studies of K deficiency affecting C-N balance are lacking. This study explored the influence of K deficiency on C-N interaction in cotton leaves by conducting a field experiment with cotton cultivar DP0912 under two K rates (K0: 0 kg K2O ha(-1) and K67: 67 kg K2O ha(-1)) and a controlled environment experiment with K-deficient solution (K1: 0 mM K(+)) and K-sufficient solution (K2: 6 mM K(+)). The results showed that leaf K content, leaf number, leaf area, boll number, reproductive dry weight and total dry weight were significant lower under K deficiency (K0 or K1)...
June 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28422036/physicochemical-factors-of-the-urine-of-children-with-hypercalciuria
#13
Mercedes Ubetagoyena-Arrieta, Jorge Martínez Sáenz de Jubera, María Nieves Corera-Casty, Eduardo González Pérez-Yarza, Irati García-Albizua
OBJECTIVE: Hypercalciuria is a common lithogenic risk factor. The aim of this study was, first, to study the characteristics of urine biochemical factors of children with hypercalciuria (HC) and compare them with those of children without hypercalciuria. Second, to analyze the differences between children with HC and lithiasis (HCL) and children with HC and no lithiasis (HCNL). METHODS: The sample was composed by 111 cases with HC, divided into 2 groups: HCNL group, consisting of 93 cases with no personal history of kidney stones, and HCL group, 18 cases with personal history of kidney stones...
April 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28411369/comparison-of-equine-platelet-function-and-survival-in-whole-blood-collected-in-acid-citrate-dextrose-solution-or-citrate-phosphate-dextrose-adenine-solution
#14
Rana Bozorgmanesh, Julie W Sutton-Burges, Fern Tablin
BACKGROUND: Equine whole blood collection and storage methods have been evaluated to assess red blood cell viability; however, platelet (PLT) viability has not been comprehensively assessed. OBJECTIVES: The purpose of the study was to compare viability of PLTs collected in whole blood into 2 different anticoagulants. METHODS: Whole blood from 6 healthy adult Thoroughbred horses was collected into citrate-phosphate-dextrose-adenine (CPDA) or acid-citrate-dextrose (ACD)...
June 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28363528/determination-of-carrageenan-by-means-of-photometric-titration-with-methylene-blue-and-toluidine-blue-dyes
#15
Dorota Ziółkowska, Agnieszka Kaniewska, Jan Lamkiewicz, Alexander Shyichuk
A new approach to carrageenan quantitation was described. The method consists in titration of carrageenan solution by Methylene Blue dye or Toluidine Blue dye solution until a certain absorbance value. The optimal wavelengths are 660nm and 640nm when titrating with Methylene Blue dye and Toluidine Blue dye, respectively. Rectilinear calibration plots (R(2)>0.996) provide carrageenan determination in the concentration range from 2 to 60mg/L with relative standard deviation from 1 to 5%. The proposed method is simple and feasible in use due to optical dip probe providing in situ absorbance measurements...
June 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28331937/whey-protein-and-albumin-effects-upon-urinary-risk-factors-for-stone-formation
#16
Camila Mithie Hattori, Hans-Göran Tiselius, Ita Pfeferman Heilberg
Protein supplements are consumed for an expected increase in muscle mass and improved exercise performance, but as their impact on lithogenic parameters are unknown, we aimed to evaluate the effects of Whey protein (WP) and Albumin upon the risk factors for nephrolithiasis. WP or Albumin supplements (one scoop/day) were administered for 3 days to 18 healthy volunteers, with 1-week washout period between them. Serum and 24-h urine samples were collected at baseline and after completing each intervention. All participants were asked to replicate their baseline diet during the subsequent urine collection...
March 22, 2017: Urolithiasis
https://www.readbyqxmd.com/read/28327718/can-charged-colloidal-particles-increase-the-thermoelectric-energy-conversion-efficiency
#17
Thomas J Salez, Bo Tao Huang, Maud Rietjens, Marco Bonetti, Cécile Wiertel-Gasquet, Michel Roger, Cleber Lopes Filomeno, Emmanuelle Dubois, Régine Perzynski, Sawako Nakamae
Currently, liquid thermocells are receiving increasing attention as an inexpensive alternative to conventional solid-state thermoelectrics for low-grade waste heat recovery applications. Here we present a novel path to increase the Seebeck coefficient of liquid thermoelectric materials using charged colloidal suspensions; namely, ionically stabilized magnetic nanoparticles (ferrofluids) dispersed in aqueous potassium ferro-/ferri-cyanide electrolytes. The dependency of thermoelectric potential on experimental parameters such as nanoparticle concentration and types of solute ions (lithium citrate and tetrabutylammonium citrate) is examined to reveal the relative contributions from the thermogalvanic potential of redox couples and the entropy of transfer of nanoparticles and ions...
March 22, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28262541/retrograde-intrarenal-surgery-in-the-management-of-pediatric-cystine-stones
#18
E Yuruk, M Tuken, S Gonultas, A Colakerol, O O Cakir, M Binbay, K Sarica, A Y Muslumanoglu
OBJECTIVE: To investigate the efficacy and safety of retrograde intrarenal surgery (RIRS) in the treatment of pediatric cystine stones. STUDY DESIGN: Data of the pediatric patients who underwent RIRS for kidney stones were retrospectively evaluated. A total of 14 children with cystine stones managed with RIRS were identified. In addition to the patient demographics and stone characteristics, all retrospectively obtained operative data were evaluated and discussed in detail, with an emphasis on the success and complication rates...
February 21, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28260494/hemoglobin-and-myoglobin-as-reducing-agents-in-biological-systems-redox-reactions-of-globins-with-copper-and-iron-salts-and-complexes
#19
REVIEW
G B Postnikova, E A Shekhovtsova
In addition to reversible O2 binding, respiratory proteins of the globin family, hemoglobin (Hb) and myoglobin (Mb), participate in redox reactions with various metal complexes, including biologically significant ones, such as those of copper and iron. HbO2 and MbO2 are present in cells in large amounts and, as redox agents, can contribute to maintaining cell redox state and resisting oxidative stress. Divalent copper complexes with high redox potentials (E0, 200-600 mV) and high stability constants, such as [Cu(phen)2](2+), [Cu(dmphen)2](2+), and CuDTA oxidize ferrous heme proteins by the simple outer-sphere electron transfer mechanism through overlapping π-orbitals of the heme and the copper complex...
December 2016: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28213035/influence-of-electro-activated-solutions-of-weak-organic-acid-salts-on-microbial-quality-and-overall-appearance-of-blueberries-during-storage
#20
Viacheslav Liato, Riadh Hammami, Mohammed Aïder
The aim of this work was to study the potential of diluted electro-activated solutions of weak organic acid salts (potassium acetate, potassium citrate and calcium lactate) to extend the shelf life of blueberries during post-harvest storage. The sanitizing capacity of these solutions was studied against pathogenic bacteria Listeria monocytogenes and E. coli O157:H7 as well as phytopathogenic fungi A. alternata, F. oxysporum and B. cinerea. The results showed that a 5-min treatment of inoculated blueberries with electro-activated solutions resulted in a 4 log CFU/g reduction in Listeria monocytogenes for all solutions...
June 2017: Food Microbiology
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