Results 21 to 30 of about 18,912,087 (403)

Studies on the compounds lipids from X-ray irradiated animal,1. [PDF]

open access: yes, 1962
For the purpose to reveal the mechanism of the biological indirect action of X-rays the author has conducted the analysis of the compound lipids of the organs of the rabbits irradiated with X-rays.
Ohara, Sachiko
core   +1 more source

Quantitative glass paper chromatography: phosphatidyl choline and sphingomyelin

open access: yesJournal of Lipid Research, 1959
A rapid chromatographic procedure was developed for the separation of sphingomyelin, phosphatidyl choline, phosphatidyl ethanolamine, phosphatidyl serine, phosphatidyl inositol, and free fatty acids on glass paper coated with sodium silicate. In addition,
James E. Muldrey   +2 more
doaj   +1 more source

ADVANCING THE SEPARATION SCIENCES THROUGH THE DELIVERY OF NEW MATERIALS, TECHNOLOGY AND METHODOLOGY. [PDF]

open access: yes, 2013
A thesis and collection of works submitted to Plymouth University in partial fulfilment for the degree of DOCTOR OF ...
Paull, Brett
core   +2 more sources

Easily Fabricated Microfluidic Devices Using Permanent Marker Inks for Enzyme Assays

open access: yesMicromachines, 2016
In this communication, we describe microfluidic paper analytical devices (μPADs) easily fabricated from commercially available Sharpie ink permanent markers on chromatography paper to colorimetrically detect glucose using glucose oxidase (GOx).
Coreen Gallibu   +3 more
doaj   +1 more source

Base composition of DNA in adenovirus-12-induced tumor [PDF]

open access: yes, 1969
A series of experiments was conducted to study the base composition of DNA in AVl2-induced tumor and host cells by paper chromatography, and it was found that DNA per cent. guanine-cystosine contents were around 42 % in both of them. The base composition
Ohmori, Masaki
core   +1 more source

Detection of steroids in paper chromatography [PDF]

open access: yesArchives of Biochemistry and Biophysics, 1952
Summary o 1. Methods for the detection of steroids in paper chromatography have been described and evaluated for 31 compounds. 2. A new method of detection of steroids involving phosphomolybdic acid has been reported. 3. A method using silicotungstic acid has been extended to cover many new compounds.
Kritchevsky, David, Kirk, Martha R.
openaire   +4 more sources

In pursuit of β-amino α-nitro β-trifluoromethyl ketones: nitro-Mannich vs Mannich-type reactions [PDF]

open access: yes, 2017
The reactivity of alfa-nitro ketones with trifluoromethyl aldimines is studied for the first time. While under nitro-Mannich conditions only the facial stereoselectivity can be controlled, organocatalysed Mannich-type reactions allowed a complete control
Ballini   +45 more
core   +1 more source

Paper Chromatography for the Radiochemical Control of 90Y for it’s Clinical Uses [PDF]

open access: yesمجله علوم و فنون هسته‌ای, 2013
Our aim in this work was to develop a reliable technique to accurately determine the amount of Yttrium-90 in Strontium-90 used for therapy. Yttrium-90 which can be used for clinical purposes should be in a very high radionuclide purity,therefore a ...
A.R Khanchi   +4 more
doaj  

Quantitative glass paper chromatography: a microdetermination of plasma cholesterol*

open access: yesJournal of Lipid Research, 1960
A rapid, sensitive method for the determination of sterols is described. Microgram samples are spotted on impregnated glass fiber paper, chromatographed for 7 minutes, dried, sprayed with sulfuric acid, and charred by heating.
Joseph R. Swartwout   +3 more
doaj   +1 more source

SP-Sephadex equilibrium chromatography of bradykinin and related peptides: Application to trypsin-treated human plasma [PDF]

open access: yes, 1977
An analytical method is deseribed for the separation of bradykinin, Lys-bradykinin, and Met-Lys-bradykinin by equilibrium chromatography on SP-Sephadex C-25 eluted in 0.02 Tris-HCl buffer, pH 8.10, 0.12 NaCl.
Camargo, Antonio C. M.   +4 more
core   +1 more source

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