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| Hauptseite > Publikationsdatenbank > Nonaqueous versus aqueous capillary electrophoresis of alpha-helical polypeptides: Effect of secondary structure on separation selectivity > print |
| Hauptseite > Publikationsdatenbank > Nonaqueous versus aqueous capillary electrophoresis of alpha-helical polypeptides: Effect of secondary structure on separation selectivity > print |
| 001 | 55022 | ||
| 005 | 20200402210300.0 | ||
| 024 | 7 | _ | |2 pmid |a pmid:16645940 |
| 024 | 7 | _ | |2 DOI |a 10.1002/elps.200500673 |
| 024 | 7 | _ | |2 WOS |a WOS:000237685600011 |
| 037 | _ | _ | |a PreJuSER-55022 |
| 041 | _ | _ | |a eng |
| 082 | _ | _ | |a 570 |
| 084 | _ | _ | |2 WoS |a Biochemical Research Methods |
| 084 | _ | _ | |2 WoS |a Chemistry, Analytical |
| 100 | 1 | _ | |a Psurek, A. |b 0 |0 P:(DE-HGF)0 |
| 245 | _ | _ | |a Nonaqueous versus aqueous capillary electrophoresis of alpha-helical polypeptides: Effect of secondary structure on separation selectivity |
| 260 | _ | _ | |a Weinheim |b Wiley-Blackwell |c 2006 |
| 300 | _ | _ | |a 1768 - 1775 |
| 336 | 7 | _ | |a Journal Article |0 PUB:(DE-HGF)16 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
| 336 | 7 | _ | |a JOURNAL_ARTICLE |2 ORCID |
| 336 | 7 | _ | |a article |2 DRIVER |
| 440 | _ | 0 | |a Electrophoresis |x 0173-0835 |0 1792 |y 9 |v 27 |
| 500 | _ | _ | |a Record converted from VDB: 12.11.2012 |
| 520 | _ | _ | |a The CE separation of alpha-helical polypeptides composed of 14-31 amino acid residues has been investigated using aqueous and nonaqueous BGEs. The running buffers were optimized with respect to pH. Generally, higher separation selectivities were observed in nonaqueous electrolytes. This may be explained by a change in the secondary structure when changing from water to organic solvents. Circular dichroism spectra revealed a significant increase in helical structures in methanol-based buffers compared to aqueous buffers. This change in secondary structure of the polypeptides contributed primarily to the different separation selectivity observed in aqueous CE and NACE. For small oligopeptides of two to five amino acid residues no significant effect of the solvent was observed in some cases while in other cases a reversal of the migration order occurred when changing from aqueous to nonaqueous buffers. As these peptides cannot adopt secondary structures the effect may be attributed to a shift of the pKa values in organic solvents compared to water. |
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| 588 | _ | _ | |a Dataset connected to Web of Science, Pubmed |
| 650 | _ | 2 | |2 MeSH |a Amino Acid Sequence |
| 650 | _ | 2 | |2 MeSH |a Circular Dichroism |
| 650 | _ | 2 | |2 MeSH |a Electrophoresis, Capillary: methods |
| 650 | _ | 2 | |2 MeSH |a Molecular Sequence Data |
| 650 | _ | 2 | |2 MeSH |a Peptides: chemistry |
| 650 | _ | 2 | |2 MeSH |a Peptides: isolation & purification |
| 650 | _ | 2 | |2 MeSH |a Protein Structure, Secondary |
| 650 | _ | 2 | |2 MeSH |a Water: chemistry |
| 650 | _ | 7 | |0 0 |2 NLM Chemicals |a Peptides |
| 650 | _ | 7 | |0 7732-18-5 |2 NLM Chemicals |a Water |
| 650 | _ | 7 | |a J |2 WoSType |
| 653 | 2 | 0 | |2 Author |a circular dichroism spectroscopy |
| 653 | 2 | 0 | |2 Author |a alpha-Helical pepticles |
| 653 | 2 | 0 | |2 Author |a nonaqueous capillary electrophoresis |
| 653 | 2 | 0 | |2 Author |a secondary structure |
| 700 | 1 | _ | |a Feuerstein, S.E. |b 1 |u FZJ |0 P:(DE-Juel1)VDB89238 |
| 700 | 1 | _ | |a Willbold, D. |b 2 |u FZJ |0 P:(DE-Juel1)132029 |
| 700 | 1 | _ | |a Scriba, G. K. E. |b 3 |0 P:(DE-HGF)0 |
| 773 | _ | _ | |a 10.1002/elps.200500673 |g Vol. 27, p. 1768 - 1775 |p 1768 - 1775 |q 27<1768 - 1775 |0 PERI:(DE-600)1475486-1 |t Electrophoresis |v 27 |y 2006 |x 0173-0835 |
| 856 | 7 | _ | |u http://dx.doi.org/10.1002/elps.200500673 |
| 909 | C | O | |o oai:juser.fz-juelich.de:55022 |p VDB |
| 913 | 1 | _ | |k P33 |v Funktion und Dysfunktion des Nervensystems |l Funktion und Dysfunktion des Nervensystems |b Gesundheit |0 G:(DE-Juel1)FUEK409 |x 0 |
| 914 | 1 | _ | |y 2006 |
| 915 | _ | _ | |0 StatID:(DE-HGF)0010 |a JCR/ISI refereed |
| 920 | 1 | _ | |k IBI-2 |l Biologische Strukturforschung |d 31.12.2006 |g IBI |0 I:(DE-Juel1)VDB58 |x 0 |
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