1995
DOI: 10.1016/0021-9673(94)01185-h
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Cellulose acetate-coated fused-silica capillaries for the separation of proteins by capillary zone electrophoresis

Abstract: Cellulose acetate-coated fused-silica capillaries for the separation of proteins by capillary zone electrophoresis Busch, M.H.A.; Kraak, J.C.; Poppe, H. Disclaimer/Complaints regulationsIf you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: http://uba.uva.nl/en/c… Show more

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Cited by 64 publications
(34 citation statements)
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“…The PHEA coating has minimal interactions with the proteins, giving the highest peak efficiencies. Although the protein peak efficiencies reported in this study are significantly lower than the efficiencies reported for some coatings, such as PVA [24] and cellulose acetate [25], they match efficiencies reported by many other adsorbed or covalent coatings [14,16,17,20,22,45,[48][49][50][51][52]. However, a fair comparison of the protein separation performance of different coatings cannot be done unless all other variables of the electrophoresis system, including detection system, injection conditions, protein samples quality, capillaries and buffers, are fixed.…”
Section: Protein-polymer Coating Interactionscontrasting
confidence: 70%
See 1 more Smart Citation
“…The PHEA coating has minimal interactions with the proteins, giving the highest peak efficiencies. Although the protein peak efficiencies reported in this study are significantly lower than the efficiencies reported for some coatings, such as PVA [24] and cellulose acetate [25], they match efficiencies reported by many other adsorbed or covalent coatings [14,16,17,20,22,45,[48][49][50][51][52]. However, a fair comparison of the protein separation performance of different coatings cannot be done unless all other variables of the electrophoresis system, including detection system, injection conditions, protein samples quality, capillaries and buffers, are fixed.…”
Section: Protein-polymer Coating Interactionscontrasting
confidence: 70%
“…Only 40 runs were possible at pH 8.5 without loss of efficiency before the performance abruptly decreased. Busch et al [25] reported a method to shield the surface silanols by physically adhering a thin film of cellulose acetate onto the capillary wall, by flushing an acetone solution of cellulose acetate followed by drying with helium gas. A polyethylene oxide (PEO) adsorbed coating can be prepared by flushing the capillary with HCl to fully protonate the wall surface prior to introducing the polymer solution [26].…”
Section: Introductionmentioning
confidence: 99%
“…These coatings were then compared with linear polyacrylamide and poly(vinyl alcohol); superior performance was reported for the substituted celluloses. Removing the heating stage, Busch et al [63] achieved surface deactivation by pumping a solution of cellulose acetate into an acetone-filled capillary, before gently blowing out the coating solution with helium to produce a thin film. This film was then allowed to dry for 30 min at room temperature while continuing to pass helium through the column.…”
Section: Capillary Preparation and Coatingmentioning
confidence: 99%
“…Busch et al [4] ont choisi l'acétate de cellulose pour passiver la surface interne des capillaires. Avec les colonnes ainsi modifiées, la séparation de protéines basiques a été effectuée à des valeurs de pH voisines de 4, avec une efficacité pouvant atteindre 10 6 plateaux par mètre.…”
Section: Adsorption Sur Paroi De Siliceunclassified