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Article
MS-Pep: a computer program for the interpretation of mass spectra of peptide libraries
Electrospray mass spectrometry (ESI-MS) is an established method for the qualitative analysis of synthetic peptide libraries and combinatorial mixtures or collections of small organic compounds. However, the ...
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Article
043 Spectral monitoring of antibody-hapten interactions at liposomal membranes
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Article
Resolution of sulphur-containing amino acids by chiral phase gas chromatography
Methyl esters of the pentafluoropropionyl-amino acid derivatives of the tetrafunctional, sulphur-bridged, stereoisomeric lanthionines, cystathionines and β-methyl-lanthionines were resolved on glass capillarie...
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Article
Chromatographic and mass spectrometric characterization of the structures of the polypeptide antibiotics samarosporin and stilbellin and identity with emerimicin
The structural identity of the polypeptide antibiotics, samarosporin I(II) and stilbellin I(II) with emerimicin IV(III) has been established by thin-layer chromatography, quantitative amino acid analysis by io...
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Article
Erratum
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Article
Gas chromatographic determination of the configuration of isovaline in antiamoebin, samarosporin (emerimicin IV), stilbellin, suzukacillins and trichotoxins
The D-(resp. R) configuration of isovaline (=2-ethylalanine) was proved for the peptide antibiotics antiamoebin, Tü 165 (CBS 382.62), stilbellin, samarosporin (=emerimicin IV), suzukacillin B (A), trichotoxin ...
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Article
Identification of N-acetyl-α-aminoisobutyric acid after selective trifluoroacetolysis of alamethicin and related peptide antibiotics
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Article
Röntgen-Photoelektronen-Spektroskopie von Metallen in Aminosäurekomplexen und Proteinen
X-ray photoelectron spectroscopy gives information about the oxidation states and the ligands of metal ions in metalloproteins. To interpret the spectra of the metalloenzymes the photoelectron spectra of amino...
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Article
Circulardichroismus- und13C-NMR-Untersuchungen zur Dissoziation von Aminosäuren
The dissociation of amino acids such, as histidine, methionine and of shorter peptides can be studied by pulse Fourier transform.13C-NMR spectroscopy. The pH-dependencies of the13C-signals show directly the chang...
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Article
Gas-chromatographischer Vergleich von Trimethylsilyl-, Trifluoracetyl- und Heptafluorbutyrat-Derivaten von Steroiden
The gas chromatographic behaviour of different trifluoroacetyl (TFA) steroid derivatives on different stationary phases (XE-60, OV-1, OV-17, OV-101) is systematically investigated and compared with the corresp...
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Article
Analyse von Hydroxysteroiden mit Hilfe der19F-NMR-Spektroskopie
Compared with proton resonance signals fluorine resonance signals depend much stronger on differences in the chemical environment of a fluorine nucleus. The19F-NMR shifts of the CF3 singlets of trifluoroacetylate...
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Article
Pflanzliches Material als gas-chromatographische Säulenfüllung
Vegetable cellulose of suitable mesh size, after having been purified merely by boiling, offers new possibilities for the separation of water from organic compounds when used as a stationary phase in analytica...
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Article
Gas chromatographic analysis of trifluoroacetylated polyols and methylglycosides
Trifluoroacetylated carbohydrates are especially suitable for investigations by gas chromatography and mass-spectrometry because of their simple and quantitative preparation, volatility and thermal stability. ...