Edeine. II. The composition of the antibiotic peptide edeine A.
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Amines↗
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Edeine. 3. The composition of the antibiotic peptide edeine B.
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Amines↗
New amino acids from Streptomyces.
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Amino Acids↗
Polypeptide synthesis with methyl-deficient soluble ribonucleic acid.
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Alkylation↗
The biosynthesis of chlorobium chlorophylls-660. The production of magnesium protoporphyrin monomethyl ester, bacteriochlorophyll, and chlorobium pheoporphyrins by Chlorobium thiosulfatophilum-660.
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Bacteria↗
Perfusion studies of the human placenta. IV. Conjugation of estriol-16-14C.
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Countercurrent Distribution↗
Perfusion studies of the human placenta. V. Metabolism of [3H)estrone [35S]sulfate and [14C]estradiol-17-beta at mid-pregnancy.
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Carbon Isotopes↗
The biosynthesis of Chlorobium chlorophylls-660. The isolation and purification of porphyrins from Chlorobium thiosulfatophilum-660.
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Bacteria↗
The amino acid sequence of the gamma chain of bovine fetal hemoglobin.
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Amino Acid Sequence↗
On the chemical nature of the antibiotic edeine.
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Amino Acids↗
Studies on amino acid substitution in the biosynthesis of the antibiotic polypeptide tyrocidine.
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Anti-Bacterial Agents↗
Formation of nonreactivatible isopropylmethylphosphonofluoridate-inhibited acetylcholinesterase.
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Acetylcholinesterase↗
Resolution of cytidine- and adenosine- terminal transfer ribonucleic acids.
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Adenine Nucleotides↗
Characterization of alpha23GluNH2 in hemoglobin Memphis. Hemoglobin Memphis/S, a new variant of molecular disease.
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Aged↗
Influence of interstitial cell-stimulating hormone on the conversion of cholesterol to progesterone by bovine corpus luteum.
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Adenine Nucleotides↗
Des-lysyl glutamyl and des-lysyl pyroglutamyl ribonucleases. I. Isolation and characterization.
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Animals↗
Synthesis of the vasoactive intestinal peptide (VIP).
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Amino Acid Sequence↗
Preparative separation of polyphenols from tea by high-speed countercurrent chromatography.
High-speed countercurrent chromatography (HSCCC) was applied to the separation of polyphenols from tea leaves (Camellia sinensis L.). The capability of HSCCC to isolate pure tea polyphenols from complex mixtures on a preparative scale was demonstrated for catechins, flavonol glycosides, proanthocyanidins, and strictinin from green and black tea. The purity and identity of isolated compounds was confirmed by (1)H NMR and HPLC-ESI-MS/MS. Gram quantities of polyphenols from tea can be isolated with the procedure described.
Chromatography, High Pressure Liquid↗