ZIB

1

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Protein synthesis in rabbit reticulocytes XX: A supernatant factor (TDI) inhibits ternary complex (Met-tRNA"f.EIF-1.GTP) dissociation and Met-tRNA"f binding to 40S ribosomes

Das, A. ; Gupta, N.K.

Amsterdam : Elsevier

Biochemical and Biophysical Research Communications 77 (1977), S. 1307-1316

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ISSN: 0006-291X

Keywords: [abr] EIF; Eukaryotic initiation factors ; [abr] GMP-PNP; Guanylyl-imido diphosphate ; [abr] TDF; Ternary complex (Met-tRNA"f.EIF-1.GTP) dissociation factor, ; [abr] TDI; Ternary complex dissociation inhibitor

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Biology , Chemistry and Pharmacology , Physics

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1016/S0006-291X(77)80122-8

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2

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An isoflavone diglycoside from the seeds of Dolichos biflorus

Mitra, J. ; Das, A. ; Joshi, T.

Amsterdam : Elsevier

Phytochemistry 22 (1983), S. 1063-1064

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ISSN: 0031-9422

Keywords: 5-O-α-l-rhamnopyranosyil(1 -〉 2)-O-β-d-glucopyranoside. ; 5-hydroxy-7,3',4'-trimethoxy-8-methylisoflavone ; Dolichos biflours ; Leguminosae

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Biology , Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://linkinghub.elsevier.com/retrieve/pii/0031-9422(83)85069-9

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3

Electronic Resource

An isoflavone diglycoside from the seeds of Dolichos biflorus

Mitra, J. ; Das, A. ; Joshi, T.

Amsterdam : Elsevier

Phytochemistry 22 (1983), S. 1063-1064

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ISSN: 0031-9422

Keywords: 5-O-α-l-rhamnopyranosyil(1 -〉 2)-O-β-d-glucopyranoside ; 5-hydroxy-7,3',4'-trimethoxy-8-methylisoflavone ; Dolichos biflours ; Leguminosae

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Biology , Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1016/0031-9422(83)85069-9

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4

Electronic Resource

Protein synthesis in rabbit reticulocytes XX: A supernatant factor (TDI) inhibits ternary complex (Met-tRNA"f.EIF-1.GTP) dissociation and Met-tRNA"f binding to 40S ribosomes

Das, A. ; Gupta, N.K.

Amsterdam : Elsevier

Biochemical and Biophysical Research Communications 77 (1977), S. 1307-1316

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Details

ISSN: 0006-291X

Keywords: [abr] EIF; Eukaryotic initiation factors ; [abr] GMP-PNP; Guanylyl-imido diphosphate ; [abr] TDF; Ternary complex (Met-tRNA"f.EIF-1.GTP) dissociation factor, ; [abr] TDI; Ternary complex dissociation inhibitor

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Biology , Chemistry and Pharmacology , Physics

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1016/S0006-291X(77)80122-8

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5

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Doubly excited triplet states of the helium isoelectronic sequence (1993)

Das, A. K. ; Mukherjee, P. K.

Springer

The European physical journal 28 (1993), S. 97-103

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ISSN: 1434-6079

Keywords: 31.50.+w ; 32.80.Dz

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Doubly excited triplet states have been obtained for the first four members of helium isoelectronic sequence for the transitions Nsnp:3 P 0, Nsnd:3 D e and Npnd:3 F 0 forN=2, 3, 4,n≧N, 4 using a newly developed formalism based on time dependent perturbation theory. The doubly excited states have been identified as resonances in the oscillations of the two electron charge cloud and are obtained from a study of the behaviour of an appropriately constructed linearised variational functional with respect to externally impressed frequency. A correlated description of the orbitals in terms of product basis sets has been used. Many of the results are new and agreement with the experimental and theoretical data, whenever available, is good. Analytic representations of the doubly excited states have been obtained. These are used to calculate the Coulomb repulsion between the electron pair and may be very useful for calculating other physical properties of the system connected with transitions.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01436974

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6

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Determination of silver in rocks and minerals by atomic absorption spectrophotometry (1974)

Chowdhury, A. N. ; Das, A. K. ; Das, T. N.

Springer

Fresenius' Zeitschrift für analytische Chemie 269 (1974), S. 284-287

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ISSN: 1618-2650

Keywords: Best. von Silber in Gesteinen, Mineralien ; Spektralphotometrie, Atomabsorption

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Description / Table of Contents: Summary Methods have been proposed for the determination of trace quantities of silver in sulphide ores and silicate rocks. For sulphide ores the samples have been decomposed by nitric acid-perchloric acid attack and the chloride interference eliminated by use of ammonium citrate-ammonium hydroxide. Silicate rock samples have been decomposed by hydrofluoric acid-perchloric acid attack and silver is determined in the organic phase after extraction with dithizone in MIBK. The methods are very simple and accurate and silver in amounts as low as 0.05 μg in a sample can be determined with confidence.

Notes: Zusammenfassung Verfahren werden beschrieben zur Bestimmung von Silberspuren in Sulfiderzen und Silicatgesteinen. Sulfiderze werden mit Hilfe von Salpetersäure/Perchlorsäure aufgeschlossen und die Störung durch Chlorionen wird mit Ammoniumcitrat/Ammoniumhydroxid eliminiert. Zum Aufschluß von Silicatgesteinen dient Flußsäure/Perchlorsäure, Silber wird in der organischen Phase nach Extraktion mit Dithizon in MIBK bestimmt. Die Verfahren sind einfach und genau und Mengen von 0,05 μg Ag können noch befriedigend erfaßt werden.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00430578

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7

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Determination of traces of copper, nickel and cobalt by solvent extraction and atomic absorption spectrophotometry (1977)

Chowdhury, A. N. ; De, D. K. ; Das, A. K.

Springer

Fresenius' Zeitschrift für analytische Chemie 284 (1977), S. 41-41

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ISSN: 1618-2650

Keywords: Best, von Kupfer, Nickel, Kobalt in Geolog. Material ; Spektralphotometrie, Atomabsorption ; Extraktion

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00464033

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