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You searched for: Source 2011 v.34 no.3 Remove constraint Source: 2011 v.34 no.3 Subject culture media Remove constraint Subject: culture media Subject infrared spectroscopy Remove constraint Subject: infrared spectroscopy
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1. Single step concomitant concentration, purification and characterization of two families of lipopeptides of marine origin

Author:
Sivapathasekaran, C.; Mukherjee, Soumen; Sen, Ramkrishna; Bhattacharya, Biyash; Samanta, Ramapati
Source:
Bioprocess and biosystems engineering 2011 v.34 no.3 pp. 339-346
ISSN:
1615-7591
Subject:
bacteria; biosurfactants; culture media; desorption; infrared spectroscopy; ionization; lipopeptides; micelles; spectral analysis; ultrafiltration
Abstract:
... The extracellular biosurfactant product secreted by a marine bacterium was concentrated and purified directly from the fermentation broth in a single step by ultrafiltration (UF) employing YM 30 kDa (UF-I) and Omega 10 kDa (UF-II) polyethersulfone membranes. The optimum operating pressure required for both membranes, UF-I and UF-II, were found to be 30 and 35 psi, respectively. The biosurfactant f ...
DOI:
10.1007/s00449-010-0476-9