نتایج جستجو برای: redox reagent

تعداد نتایج: 56175  

Journal: :Annals of hepatology 2008
Anastasios Koulaouzidis R El-Ramli Jaber Gasem Athar A Saeed

2016
Charles R. G. Parker

To the Editor of the " Indian Hfedical Gazette Sir, A few days since I saw in your paper of tho 1st of last October a letter from Surg.-Major G It. Cos tello, headed "Sulphurous Acid in Cholera." In this letter Surg-Major Costello refers to a letter from him in your Gazette of! November 187G, recommending tho internal use of: Sulphurous acid in solution in cases of: cholera, an 1 in his present...

Journal: :Clinical chemistry 1962
J G REINHOLD

Replacement of barbiturate buffer by a tris-hydroxymethylaminomethane buffer in the thymol test reagent of Maclagan greatly improves the stability of the reagent. Thymol turbidity measurements made by means of the modified reagent agreed closely with those made with barbiturate-containing reagents. However in hyperlipemic sera, the latter reagent gave higher turbidities. A reaction of barbitura...

Journal: :Journal of clinical microbiology 1983
G L Lombard V R Dowell

Three reagents for detecting indole, Kovac, Ehrlich, and p-dimethylaminocinnamaldehyde (DMCA), were evaluated with commercial microtest systems for characterizing and identifying anaerobic bacteria. The DMCA reagent, the most sensitive of the three reagents, gave a positive reaction with 445 of 449 strains of various indole-producing anaerobic bacteria. There was 99.6% agreement between the res...

Journal: :Clinical chemistry 1980
W P King P T Kissinger

We describe the use of electrogenerated reactants for continuous on-line reaction detection with thin-layer hydrodynamic amperometry. The reagent is introduced into the liquid-chromatographic column effluent at a constant rate by using controlled-current electrochemistry. After the effluent passes through a short reaction coil, the reagent concentration is monitored at the detector. Reaction of...

Journal: :Clinical chemistry 1979
L L Bajema W Lee A M Zebelman M A Kenny

We describe a modified glucose oxidase reagent for use in the polarographic determination of glucose with the Beckman "Glucose Analyzer." The reagent contains 1 mL/L of a surfactant (Brij-35 250 g/L solution) as the wetting agent instead of glycerol. Precipitation of components associated with the formulation recommended by Fischl et al. [Clin. Chem. 21, 760 (1975)] does not occur with this rea...

Journal: :Frontiers in pharmacology 2016
Heba Badr Daisuke Kozai Reiko Sakaguchi Tomohiro Numata Yasuo Mori

Acetaminophen (APAP) is a safe analgesic antipyretic drug at prescribed doses. Its overdose, however, can cause life-threatening liver damage. Though, involvement of oxidative stress is widely acknowledged in APAP-induced hepatocellular death, the mechanism of this increased oxidative stress and the associated alterations in Ca(2+) homeostasis are still unclear. Among members of transient recep...

Journal: :Analytical chemistry 2003
Ali Osman Solak Laura R Eichorst William J Clark Richard L McCreery

Glassy carbon (GC) surfaces modified with monolayers of biphenyl and nitrobiphenyl molecules were examined as voltammetric electrodes for ferrocene, benzoquinone, and tetracyanoquinodimethane electrochemistry in acetonitrile. The modified electrodes exhibited slower electron transfer than unmodified GC, by factors that varied with the monolayer and redox system. However, after a negative potent...

Journal: :iranian journal of catalysis 2015
saady baghery

saeed baghery was born in amol/mazandaran (iran) in 1985. he completed his b.sc. in pure chemistry in 2009 from islamic azad university of amol, mazandaran, iran. he was graduated from m.sc. degree under the supervision of dr. seyed mohammad vahdat in organic chemistry from islamic azad university of amol, mazandaran, iran. he is currently organic chemistry ph.d student under the supervision of...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 1994
m.d.(davood) nabi rahni h.allen o. hill

even though the use of enzymes as useful analytical reagents when immobilized onto a transducer such as an electrochemical device has been reported in the literature for nearly two decades, the direct, i.e. unmediated electrochemistry of enzymes is, nevertheless, a rather recent development. efforts will be made to introduce the fundamental basis for protein-surface interactions with emphasis o...

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