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Digitale Medien

ENZYMATIC ACYLATION OF 1-ALKYL-, 1-ALKENYL-AND 1-ACYL GLYCERO-3-PHOSPHORYLETHANOLAMINE IN DEVELOPING RAT BRAIN (1974)

Natarajan, V. ; Sastry, P. S.

Oxford, UK : Blackwell Publishing Ltd

Journal of neurochemistry 23 (1974), S. 0

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Details

ISSN: 1471-4159

Quelle: Blackwell Publishing Journal Backfiles 1879-2005

Thema: Medizin

Notizen: Abstract— Rat brain particulate fractions were shown to acylate [32P]1-alkyl-sn-glycero-3-phosphorylethanolamine (GPE). While the main product is 1-alkyl-2-acyl GPE, about 12 per cent of the radioactivity was also found in 1-alkenyl-2-acyl GPE. The acyl transferase activity was completely dependent on added ATP and CoA and it was localized mainly in the microsomal fraction. A comparative study of acyl transferase activities to 1-alkyl-, 1-alkenyl-, and 1-acyl GPE by crude mitochondrial fraction and microsomes of 10, 16 and 22-day-old rat brains showed a progressive increase in activity with development. In the 22-day-old rat brain the order of activity towards the three substrates is as follows: 1-acyl GPE ± 1-alkenyl GPE ± 1-alkyl GPE with a crude mitochondrial fraction and 1-acyl GPE ± 1-alkyl GPE ± 1-alkenyl GPE with microsomes.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1111/j.1471-4159.1974.tb06933.x

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Digitale Medien

Nonlinear constrained optimization of filled polyesters (1973)

Fricke, A. L. ; Natarajan, V. K. ; Caskey, J. A. ; [weitere]

New York, NY [u.a.] : Wiley-Blackwell

Journal of Applied Polymer Science 17 (1973), S. 3529-3544

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Details

ISSN: 0021-8995

Schlagwort(e): Chemistry ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Maschinenbau , Physik

Notizen: An efficient method for optimization of a formulation problem subject to nonlinear constraints was demonstrated. Specifically, a nine-variable polyester-filler system was investigated experimentally. The investigation included selection of an efficient experimental design, regression analysis, and study of optimization methods. Recommended procedures are reported, along with examples and discussion of several typical applications.

Zusätzliches Material: 1 Ill.