Results 101 to 110 of about 26,428 (238)

Thermodynamics and nucleation of the enantiotropic compound p-aminobenzoic acid

open access: yesCrystEngComm, 2013
In this work, the thermodynamic interrelationship of the two known polymorphs of p-aminobenzoic acid has been explored, and primary nucleation in different organic solvents investigated. The solubility of both polymorphs in several solvents at different temperatures has been determined and the isobaric solid-state heat capacities have been measured by ...
Eva-Maria Hoffmann   +5 more
openaire   +4 more sources

Characterization of Cell Glycocalyx with Mass Spectrometry Methods. [PDF]

open access: yes, 2019
The cell membrane plays an important role in protecting the cell from its extracellular environment. As such, extensive work has been devoted to studying its structure and function.
Lebrilla, Carlito B   +3 more
core   +2 more sources

Separation of p-Aminobenzoic Acid by Reactive Extraction in the Presence of 1-Octanol as Phase Modifier [PDF]

open access: yes, 2010
The paper presents the studies on reactive extraction of p-aminobenzoic acid with two extractants (Amberlite LA-2 and D2EHPA) dissolved in two solvents with different dielectric constants (n-heptane, dichloromethane), at various 1-octanol concentrations ...
A.-I. Galaction   +2 more
core   +1 more source

Occurrence and significance of folic acid

open access: yesPteridines, 2018
Folic acid is a naturally occurring pteridine, which was originally isolated from plants. Folic acid (pteroyl-glutamic acid) is composed of pteridine (6-methylptero), p-aminobenzoic acid (PABA) and glutamic acid.
Cieślik Ewa, Cieślik Iwona
doaj   +1 more source

The Effect of Pteridines and Pteridine Analogues on the Growth and Development of the Cellular Slime Mold Dictyostelium Discoideum [PDF]

open access: yes, 1977
The present work is concerned with the effect of pteridines and pteridine analogues on growth and development of D. discoideum. Protein and DNA synthesis during growth and development and the action of p-aminobenzoic add and sulfanilamide on growth and ...
Toye, Emmanuel O.
core   +1 more source

Nutritional optimization for anaerobic growth of Bacillus steaothermophilus LLD-16

open access: yesJournal of Radiation Research and Applied Sciences, 2016
In this study, a range of nutritional supplements including twenty amino acids, major vitamins and four nucleic acid bases were exploited as added-value supplements for the growth of a lactate-minus (ldh) mutant Bacillus stearothermophilus LLD-16 under ...
Muhammad Javed, Namdar Baghaei-Yazdi
doaj   +1 more source

THE BIOSYNTHESIS OF p-AMINOBENZOIC ACID [PDF]

open access: yesProceedings of the National Academy of Sciences, 1959
P. R. Srinivasan, B. Weiss
openaire   +3 more sources

Acetylation of P-Aminobenzoic Acid in X-Irradiated Rats

open access: yesExperimental Biology and Medicine, 1954
SummaryRats exposed to 1000 r X-radiation retained their capacity to acetylate p-aminobenzoic acid and sulfanilamide for at least 3 days after exposure, an indication that Coenzyme A is not indiscriminately destroyed by whole-body irradiation.
John F. Thomson, Eleanor T. Mikuta
openaire   +3 more sources

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