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- Publications
- Influence
Estimation of water content and water mobility in the nucleus and cytoplasm of Xenopus laevis oocytes by NMR microscopy.
- S. Päuser, A. Zschunke, A. Khuen, K. Keller
- Chemistry, Medicine
- Magnetic resonance imaging
- 1995
NMR microscopy is a noninvasive approach for studying cell structure and properties. Spatially resolved measurements of the relaxation times T1 and T2 provided information on the water proton spin… Expand
Biosynthesis of rutacridone in cell cultures of Ruta graveleolens : incorporation studies with [13C] acetate
- A. Zschunke, A. Baumert, D. Gröger
- Chemistry
- 1982
Carbon-13 labelling experiments have shown that ring C of the acridone alkaloid rutacridone is acetate-derived and that an aminobenzophenone derivative is a probable intermediate in the biosynthetic… Expand
Mimicry of βII′‐turns of proteins in cyclic pentapeptides with one and without d‐amino acids
- H. Weisshoff, C. Präsang, P. Henklein, C. Frömmel, A. Zschunke, C. Muegge
- Chemistry
- 25 December 2001
The solution structure of eight cyclic pentapeptides has been determined by two-dimensional 1H-NMR spectroscopy combined with spectra simulations and restrained molecular dynamic simulations. Six of… Expand
Circumambulatory rearrangements of cyclopolyenes containing element-centred migrants
- V. Minkin, I. Mikhailov, G. Dushenko, A. Zschunke
- Chemistry
- 17 December 2003
Data on circumambulatory rearrangements caused by rapid migrations of substituents formed by Group 13–17 elements around three- to nine-membered cyclopolyenes are generalised and systematised.… Expand
1H, 13C, 15N and 119Sn NMR investigations on stannatranes
- K. Jurkschat, C. Muegge, +7 authors M. G. Voronkov
- Chemistry
- 29 May 1979
Abstract 1H, 13C, 15N and 119Sn NMR data for alkyl- and phenyl-stannatranes are reported. A trimeric structure and an intramolecular dynamic process are proposed.
Carbon-13 NMR investigations on the structure of .alpha.-keto acids in aqueous solution
- G. Fischer, S. Flatau, A. Schellenberger, A. Zschunke
- Chemistry
- 1988
Study of the membrane permeability of a paramagnetic metal complex on single cells by NMR microscopy.
- S. Päuser, K. Keller, A. Zschunke, C. Muegge
- Chemistry, Medicine
- Magnetic resonance imaging
- 1993
A new procedure has been developed for investigating the ability of paramagnetic metal complexes to penetrate the plasma membrane of eukaryotic cells without decomposition. Defolliculated Xenopus… Expand
Reference materials in analytical chemistry : a guide for selectin and use
- A. Zschunke
- Materials Science
- 2000
1. Introduction, 2. Classification of Reference Materials, 3. Certification of Reference Materials, 4. Reference Materials in Materials Testing, 5. Reference Materials in Environmental Studies, 6.… Expand
- 25
The structure of 5-aza-2,8-dioxa-1-stanna(II)bicyclo[3.3.0]octane
- A. Zschunke, C. Muegge, M. Scheer, K. Jurkschat, A. Tzschach
- Chemistry
- 1 June 1983
From the1H,13C, and119Sn NMR spectra at different temperatures, it is concluded that the 5-alkyl-5-aza-2,8-dioxa-1-stanna(II)bicyclo[3.3.0]octanes dimerize in nonpolar solvents. The barrier for… Expand