VSE knjižnice (vzajemna bibliografsko-kataložna baza podatkov COBIB.SI)
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Estimation of methacrylate monolith binding capacity from pressure drop dataPodgornik, Aleš ...Convective chromatographic media comprising of membranes and monoliths represent an important group of chromatographic supports due to their flow-unaffected chromatographic properties and ... consequently fast separation and purification even of large biological macromolecules. Consisting of a single piece of material, common characterization procedures based on analysis of a small sample assuming to be representative for the entire batch, cannot be applied. Because of that, non-invasive characterization methods are preferred. In this work pressure drop was investigated for an estimation of dynamic binding capacity (DBC) of proteins and plasmid DNA for monoliths with different pore sizes. It was demonstrated that methacrylate monolith surface area is reciprocally proportional to pore diameter and that pressure drop on monolith is reciprocally proportional to square pore size demonstrating that methacrylate monolith microstructure is preserved by changing pore size. Based on these facts mathematical formalism has been derived predicting that DBC is in linear correlation with the square root of pressure drop. This was experimentally confirmed for ion-exchange and hydrophobic interactions for proteins and plasmid DNA. Furthermore, pressure drop was also applied for an estimation of DBC in grafted layers of different thicknesses as estimated from the pressure drop data. It was demonstrated that the capacity is proportional to the estimated grafted layer thickness.Vir: Journal of chromatography. A. - ISSN 0021-9673 (Vol. 1272, 11. Jan. 2013, str. 50-55)Vrsta gradiva - članek, sestavni delLeto - 2013Jezik - angleškiCOBISS.SI-ID - 16493846
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Podgornik, Aleš | 12728 |
Smrekar, Vida | 26266 |
Krajnc, Peter, 1970- | 15501 |
Štrancar, Aleš | 00779 |
Vir: Osebne bibliografije
in: SICRIS
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