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Sodium chloride

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https://www.readbyqxmd.com/read/28213519/an-extra-amino-acid-residue-in-transmembrane-domain-10-of-the-gaba-transporter-gat-1-is-required-for-efficient-ion-coupled-transport
#1
Oshrat Dayan, Anu Nagarajan, Raven Shah, Assaf Ben-Yona, Lucy R Forrest, Baruch I Kanner
The GABA transporter GAT-1 mediates electrogenic transport of its substrate together with sodium and chloride. It is a member of the neurotransmitter:sodium:symporters, which are crucial for synaptic transmission. Compared to all other neurotransmitter:sodium:symporters, GAT-1 and the other members of the GABA transporter subfamily, all contain an extra amino acid residue at or near a conserved glycine in transmembrane segment 10. Therefore, we studied the functional impact of deletion and replacement mutants of Gly-457, and its two adjacent residues in GAT-1...
February 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28213045/identification-of-the-causes-for-chronic-hypokalemia-importance-of-urinary-sodium-and-chloride-excretion
#2
Kun-Lin Wu, Chih-Jen Cheng, Chih-Chen Sung, Ming-Hua Tseng, Yu-Juei Hsu, Sung-Sen Yang, Tom Chau, Shih-Hua Lin
BACKGROUND: Uncovering the correct diagnosis of chronic hypokalemia with potassium (K(+)) wasting from the kidneys or gut can be fraught with challenges. We identified clinical and laboratory parameters helpful for differentiating the causes of chronic hypokalemia. METHODS: Normotensive patients referred to our tertiary academic medical center for the evaluation of chronic hypokalemia were prospectively enrolled over five years. Clinical features, laboratory examinations-including blood and spot urine electrolytes, acid-base status, biochemistries and hormones-as well as genetic analysis were determined...
February 14, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28213012/evaluating-and-improving-terminal-hygiene-practices-on-broiler-farms-to-prevent-campylobacter-cross-contamination-between-flocks
#3
Tara Battersby, D Walsh, P Whyte, D Bolton
The objectives of this study were to evaluate current cleaning practices in broiler houses by testing a range of sites after cleaning and disinfection and to test the efficacy of the most commonly used methods in a commercial broiler house after flock harvesting. Cleaning procedures on 20 broiler houses (10 separate farms) were examined by testing a range of sampling points (feeders, drinkers, walls, etc.) for total viable count (TVC), total Enterobacteriaceae count (TEC) and Campylobacter spp. after cleaning and disinfection, using culture based methods...
June 2017: Food Microbiology
https://www.readbyqxmd.com/read/28212586/effects-of-resistance-band-exercise-on-vascular-activity-and-fitness-in-older-adults
#4
Mark F Smith, Mistrelle Ellmore, Geoff Middleton, Paul M Murgatroyd, Thomas I Gee
This study investigated the effects of a low to moderately intense resistance-band exercise intervention on cutaneous microvascular function in an older population. 18 sedentary healthy participants (age: 58±5) were assessed for their upper and lower-limb endothelial cutaneous vascular conductance using laser Doppler fluximetry with endothelial-dependent (80 μl acetylcholine chloride), and -independent vasodilation (80 μl sodium nitroprusside). In addition, participants underwent a range of functional assessments (cardiopulmonary fitness, strength, flexibility), and completed a perceived quality of life questionnaire...
February 17, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28209389/physical-stability-of-highly-concentrated-injectable-drugs-solutions-used-in-intensive-care-units
#5
M Closset, J D Hecq, L Soumoy, J Simar, E Gonzalez, L Charlet, C Declave, P Gillet, L Galanti
BACKGROUND: The intensive care department of the institution use drug solutions within higher concentration to avoid fluid overload. The purpose of the study is to prove the physical stability of different injectable drugs within high concentration (amiodarone 25mg/mL, isosorbide 0.60mg/mL, lorazepam 0.16mg/mL, noradrenalin 0.120 and 0.240mg/mL, salbutamol 0.06mg/mL and sodium valproate 12mg/mL) to ensure the patients safety. METHODS: Five of 30 or 50mL polypropylene syringes were prepared for each solution under aseptic conditions and stored at room temperature...
February 13, 2017: Annales Pharmaceutiques Françaises
https://www.readbyqxmd.com/read/28208993/preliminary-sem-observations-on-the-surface-of-elastomeric-impression-materials-after-immersion-or-ozone-disinfection
#6
Nikolas Poulis, Anthony Prombonas, Stavros Yannikakis, Thanasis Karampotsos, Martha-Spyridoula Katsarou, Nikolaos Drakoulis
INTRODUCTION: Surface integrity of dental elastomeric impression materials that are subjected to disinfection is of major importance for the quality of the final prosthetic restorations. AIM: The aim of this qualitative Scanning Electronic Microscopy (SEM) study was to reveal the effects of immersion or ozone disinfection on the surface of four dental elastomeric impression materials. MATERIALS AND METHODS: Four dental elastomeric impression material brands were used (two vinyl polysiloxane silicones, one polyether, and one vinyl polyether silicone)...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208685/hollow-fiber-supported-liquid-membrane-extraction-combined-with-hplc-uv-for-simultaneous-preconcentration-and-determination-of-urinary-hippuric-acid-and-mandelic-acid
#7
Abdulrahman Bahrami, Farhad Ghamari, Yadollah Yamini, Farshid Ghorbani Shahna, Abbas Moghimbeigi
This work describes a new extraction method with hollow-fiber liquid-phase microextraction based on facilitated pH gradient transport for analyzing hippuric acid and mandelic acid in aqueous samples. The factors affecting the metabolites extraction were optimized as follows: the volume of sample solution was 10 mL with pH 2 containing 0.5 mol·L(-1) sodium chloride, liquid membrane containing 1-octanol with 20% (w/v) tributyl phosphate as the carrier, the time of extraction was 150 min, and stirring rate was 500 rpm...
February 12, 2017: Membranes
https://www.readbyqxmd.com/read/28208271/cation-dependent-surface-charge-regulation-in-gated-nanofluidic-devices
#8
Marie Fuest, Kaushik K Rangharajan, Caitlin Boone, A T Conlisk, Shaurya Prakash
Surface charge governs nanoscale aqueous electrolyte transport, both in engineered analytical systems and in biological entities such as ion channels and ion pumps as a function of ion type and concentration. Embedded electrodes in a nanofluidic channel, isolated from the fluid in the channel by a dielectric layer, act as active, tunable gates to systematically modify local surface charge density at the interface between the nanochannel surface and the aqueous electrolyte solution, causing significant changes in measured nanochannel conductance...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28205420/tetrabutylammonium-salts-of-aluminum-iii-and-gallium-iii-phthalocyanine-radical-anions-bonded-with-fluoren-9-olato%C3%AF-anions-and-indium-iii-bromide-phthalocyanine-radical-anions
#9
Dmitri Konarev, Salavat Khasanov, Manabu Ishikawa, Yoshiaki Nakano, Akihiro Otsuka, Hideki Yamochi, Gunzi Saito, Rimma N Lyubovskaya
Reduction of aluminum(III), gallium(III) and indium(III) chloride phthalocyanines by sodium fluorenone ketyl in the presence of tetrabutylammonium cations yielded crystalline salts (Bu4N+)2[M(III)(HFl-O-)(Pc*3-)](*-)(Br-).1.5C6H4Cl2 (M = Al (1), Ga(2), HFl-O- = Fluoren-9-olato- anion) and (Bu4N+)[In(III)Br(Pc*3-)]*-.0.875C6H4Cl2.0.125C6H14 (3). The salts contain Pc(*3-) radical anions with negatively charged phthalocyanine macrocycles evidenced by the presence of intense bands of (Pc*3-) in the NIR range and noticeable blue shift of both Q- and Soret bands of phthalocyanine...
February 15, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28205396/can-the-diagnostic-reliability-of-the-thrombin-generation-test-as-a-global-haemostasis-assay-be-improved-the-impact-of-calcium-chloride-concentration
#10
L A Parunov, S S Surov, Y Liang, T K Lee, M V Ovanesov
BACKGROUND: Thrombin generation test (TGT) is a global haemostasis assay with a potential to predict bleeding tendencies and treatment effects in patients with haemophilia. Despite 15 years of clinical research, the diagnostic value of TGT remains controversial, possibly due to suboptimal sensitivity to coagulation deficiencies, robustness and reproducibility. OBJECTIVE: The goal of this study was to explore the effect of calcium chloride (CaCl2 ) concentration on the TGT's response to intrinsic coagulation factors (F) VIII, IX and XIa...
February 15, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28202441/effect-of-hypohydration-on-postsynaptic-cutaneous-vasodilation-and-sweating-in-healthy-men
#11
Matthew A Tucker, Ashley Six, Nicole E Moyen, Alf Z Satterfield, Matthew S Ganio
: Hypohydration decreases cutaneous vasodilation and sweating during heat stress, but it is unknown if these decrements are from postsynaptic (i.e. sweat gland/blood vessel) alterations. PURPOSE: To determine if hypohydration affects postsynaptic cutaneous vasodilation and sweating responses. METHODS: 12 healthy men participated in euhydrated (EU) and hypohydrated (HY) trials, with hypohydration induced via fluid restriction and passive heat-stress...
February 15, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28198619/a-simple-nucleophilic-substitution-as-a-versatile-postfunctionalization-method-for-the-coupling-of-nucleophiles-to-an-anderson-type-polyoxometalate
#12
Stef Vanhaecht, Thomas Quanten, Tatjana N Parac-Vogt
A new postfunctionalization method was developed for the Anderson-type POM based on a nucleophilic substitution reaction occurring at an electrophilic sp(3) hybridized carbon localized on the hybrid POM. Using this method, several types of different nucleophiles including primary and secondary amines, carboxylates, and thiolates were efficiently coupled to a chloride-functionalized Anderson-type POM in high yields and purity. The heterogeneous acetonitrile-Na2CO3 conditions were found to be superior over other bases and solvents for the coupling of amines and thiolates to the chloride-functionalized POM...
February 15, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28197054/hyperchloremic-metabolic-acidosis-following-total-gut-irrigation-with-normal-saline-in-pediatric-patients-a-rare-occurrence
#13
Indu Bala, Deepak Dwivedi, Divya Jain, Jai Kumar Mahajan
Use of 0.9% sodium chloride for total gut irrigation (TGI) through nasogastric route is an effective method of bowel preparation in children undergoing colorectal surgeries. TGI with normal saline (NS) can result in nausea, vomiting, abdominal distension, and mild electrolyte imbalance; however, hyperchloremic metabolic acidosis has not been documented. We report two cases of hyperchloremic metabolic acidosis in children posted for colorectal surgery following TGI with NS who were successfully managed.
January 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28195581/cultivation-and-characterization-of-candidatus-nitrosocosmicus-exaquare-an-ammonia-oxidizing-archaeon-from-a-municipal-wastewater-treatment-system
#14
Laura A Sauder, Mads Albertsen, Katja Engel, Jasmin Schwarz, Per H Nielsen, Michael Wagner, Josh D Neufeld
Thaumarchaeota have been detected in several industrial and municipal wastewater treatment plants (WWTPs), despite the fact that ammonia-oxidizing archaea (AOA) are thought to be adapted to low ammonia environments. However, the activity, physiology and metabolism of WWTP-associated AOA remain poorly understood. We report the cultivation and complete genome sequence of Candidatus Nitrosocosmicus exaquare, a novel AOA representative from a municipal WWTP in Guelph, Ontario (Canada). In enrichment culture, Ca...
February 14, 2017: ISME Journal
https://www.readbyqxmd.com/read/28194285/cerebral-salt-wasting-syndrome-caused-by-minor-head-injury
#15
Toshiki Fukuoka, Yuko Tsurumi, Arihito Tsurumi
A 34-year-old woman was admitted to hospital after sustaining a head injury in a motor vehicle accident (day 1). No signs of neurological deficit, skull fracture, brain contusion, or intracranial bleeding were evident. She was discharged without symptoms on day 4. However, headache and nausea worsened on day 8, at which time serum sodium level was noted to be 121 mEq/L. Treatment with sodium chloride was initiated, but serum sodium decreased to 116 mEq/L on day 9. Body weight decreased in proportion to the decrease in serum sodium...
2017: Case Reports in Emergency Medicine
https://www.readbyqxmd.com/read/28193503/clinical-translation-of-a-psma-inhibitor-for-99m-tc-based-spect
#16
Guillermina Ferro-Flores, Myrna Luna-Gutiérrez, Blanca Ocampo-García, Clara Santos-Cuevas, Erika Azorín-Vega, Nallely Jiménez-Mancilla, Emmanuel Orocio-Rodríguez, Jenny Davanzo, Francisco O García-Pérez
BACKGROUND: Prostate-specific membrane antigen (PSMA) is highly over-expressed in advanced prostate cancers. (68)Ga-labeled PSMA inhibitors (iPSMA) are currently used for prostate cancer detection by PET imaging. The availability of simple, efficient and reproducible radiolabeling procedures is essential for developing new SPECT radiopharmaceuticals for clinical translation. The aim of this research was to prepare (99m)Tc-EDDA/HYNIC-Lys(Nal)-Urea-Glu ((99m)Tc-EDDA/HYNIC-iPSMA) obtained from lyophilized kit formulations and evaluate the in vitro and in vivo radiopharmaceutical binding to prostate cancer cells over-expressing PSMA, as well as the (99m)Tc-EDDA/HYNIC-iPSMA normal biodistribution in humans and the preliminary uptake in patients with prostate cancer...
February 3, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28192654/self-assembly-of-recombinant-silk-as-a-strategy-for-chemical-free-formation-of-bioactive-coatings-a-real-time-study
#17
Linnea Nilebäck, Jesper Niels Hedin, Mona Widhe, Lotta S Floderus, Annika Krona, Helena Bysell, My Hedhammar
Functionalization of biomaterials with biologically active peptides can improve their performance after implantation. By genetic fusion to self-assembling proteins, the functional peptides can easily be presented on different physical formats. Herein, a chemical-free coating method based on self-assembly of the recombinant spider silk protein 4RepCT is described and used to prepare functional coatings on various biomaterial surfaces. The silk assembly on surfaces was studied in real-time, revealing occurrence of continuous assembly of silk proteins onto surfaces and formation of nanofibrillar structures...
February 13, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28190899/physiological-responses-of-rosa-rubiginosa-to-saline-environment
#18
Tomasz Hura, Bożena Szewczyk-Taranek, Katarzyna Hura, Krzysztof Nowak, Bożena Pawłowska
The aim of this work was to analyse the response of Rosa rubiginosa to salinity induced by different concentrations of sodium chloride and calcium chloride (0, 25, 50, 100, 150 and 200 mM). Besides salt accumulation and pH changes, other parameters were investigated including photosynthetic activity, leaf water content, the dynamics of necrosis and chlorosis appearance and leaf drying. The study was complemented with microscopic analysis of changes in leaf anatomy. R. rubiginosa was more sensitive to the salinity induced by calcium chloride than by sodium chloride...
2017: Water, Air, and Soil Pollution
https://www.readbyqxmd.com/read/28190833/determination-of-ammonium-in-aqueous-samples-by-gas-phase-light-scattering-using-hydrogen-chloride-gas-as-a-derivatizing-reagent-followed-by-nondispersive-atomic-fluorescence-spectrometry
#19
Xuchuan Duan, Jinliang Fang, Rui Sun
A sensitive method was developed for the determination of ammonium in an aqueous solution based on gas phase light scattering. In a stream of carrier gas, the gaseous ammonia from the alkalized solution formed a volatile ammonium chloride derivative by reacting with gaseous hydrogen chloride; the gaseous ammonium chloride was analyzed by nondispersive atomic fluorescence spectrometry. The mechanisms of the method are elucidated based on evaporative light scattering detection. Parameters such as temperature, amount of sodium hydroxide, and carrier gas flow rate were studied...
2017: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/28185176/effect-of-coexisting-components-on-phosphate-adsorption-using-magnetite-particles-in-water
#20
Won-Hee Lee, Jong-Oh Kim
In this study, we focused on the rate of adsorption of phosphate on to the surface of magnetite in the presence of coexisting anions, organic matters and heavy metals. Magnetite particles were prepared using a co-precipitation method. Iron (II) sulfate heptahydrate and iron (III) chloride hexahydrate were mixed and then a sodium hydroxide solution was added drop-wise in the mixed iron solution. Coexisting anions were found to have no effect on the decrease in phosphate adsorption. However, phosphate adsorbed on to magnetite surface decreased with increasing total organic carbon (TOC) concentration of natural organic matter (NOM) such as citric, oxalic, and humic acid...
February 9, 2017: Environmental Science and Pollution Research International
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