نتایج جستجو برای: organic ion exchanger

تعداد نتایج: 410086  

Journal: :American journal of physiology. Renal physiology 2009
Geun-Shik Lee Kyung-Chul Choi Eui-Bae Jeung

Previously, we reported that renal active calcium-transporting genes are highly expressed in female mice and suggested that renal calcium-processing genes play a critical role in normal calcium reabsorption in females (Lee GS, Lee KY, Choi KC, Ryu YH, Paik SG, Oh GT, Jeung EB. J Bone Miner Res 22: 1968-1978, 2007). In the current study, we evaluated the differential expression of renal calcium-...

2017
L. A. Robbins Thomas D. Wheelock

The conventicnal sulfate determination by gravimetrically precipitating barium sulfate is very tedious and time consuming. The present technique uses an ion exchanger so the sulfate can be titrimetrically determined as sulfuric acid. An analysis can be completed in 30 minutes. This method is being used for the routine analysis of sulfate in mixtures of gypsum, anhydrite, calcium oxide, and calc...

Journal: :J. Inform. and Commun. Convergence Engineering 2011
Yong-Seok Jeong

721 Abstract— Polymer base organic PN junction with various ion types was studied. Low-energy ion implantation technique(~keV) is very useful in physical doping on PPP(Polyparaphenylene) polymer. By double implantation, effective organic PN junction was achieved. The best obtained electrical I-V property was rectification ratio which was about 10000. However, still have problems in low junction...

Journal: :Kidney & blood pressure research 2015
Patricia G Vallés Victoria Bocanegra Andrea Gil Lorenzo Valeria Victoria Costantino

The sodium-hydrogen exchanger isoform-1 [NHE1] is a ubiquitously expressed plasma membrane protein that plays a central role in intracellular pH and cell volume homeostasis by catalyzing an electroneutral exchange of extracellular sodium and intracellular hydrogen. Outside of this important physiological function, the NHE1 cytosolic tail domain acts as a molecular scaffold regulating cell survi...

2005
Weibin Zhu Yogesh B. Gianchandani Gregory F. Nellis Sanford A. Klein

This paper describes a lithography-based microfabrication process developed for a recuperative heat exchanger intended for use in a cryosurgical probe. The probe, which uses the Joule-Thomson (JT) cooling cycle, must achieve a temperature < -50°C, with a freeze rate of 25-50°C/min. The heat exchanger must maintain high stream-to-stream thermal conductance while restricting parasitic stream-wise...

2018
Donatas Gesevičius Antonia Neels Sandra Jenatsch Erwin Hack Lucas Viani Stavros Athanasopoulos Frank Nüesch Jakob Heier

A symmetrical cyanine dye chromophore is modified with different counteranions to study the effect on crystal packing, polarizability, thermal stability, optical properties, light absorbing layer morphology, and organic photovoltaic (OPV) device parameters. Four sulfonate-based anions and the bulky bistriflylimide anion are introduced to the 2-[5-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)...

Journal: :Chemosensors 2022

A study of the transient potential signals obtained with a cation-selective electrode based on an ion-exchanger was carried out for solutions following individual cations at different concentrations: H+, Li+, Na+, K+, Rb+, Mg2+, Ca2+, choline (Ch+), acetylcholine (AcCh+), and procaine (Pr+). Three general types were distinguished depending value selectivity coefficient corresponding ion. princi...

Journal: :Journal of the American Society of Nephrology : JASN 2002
Hideyuki Motohashi Yuji Sakurai Hideyuki Saito Satohiro Masuda Yumiko Urakami Maki Goto Atsushi Fukatsu Osamu Ogawa Ken-ichi Inui

Renal excretion of organic anions and cations is mediated by the organic ion transporter family (SLC22A). In this study, the mRNA levels of the organic ion transporters were quantified by real-time PCR in normal parts of renal tissues from seven nephrectomized patients with renal cell carcinoma, and the distributions and localization of human (h)OAT1, hOAT3, and hOCT2 proteins were investigated...

2003
Carl C. Trettin Martin F. Jurgensen

Introduct ion .................................................................................................................................... 3 1 1 Carbon Cycling in Forested Wetland So i l s .................................................................................. .3 12 Carbon Fluxes Inputs .............................................................................................

2011
I. G. SHIBI

Iron(III) was loaded onto the sulphonic acid sites of Duolite C26, a commercial cation-exchanger, and was then converted into hydrated ferric oxides (HFO) disbursed throughout the macropores of the ion exchanger beads. The resulting hydrated iron(III)-oxide loaded cation exchange resin (HFOLR) was tested for its ability to remove arsenate [As(V)] ions present in water by batch technology. The s...

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