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Digitale Medien

Chemical characterisation of the Fab and Fc fragments from surface immunoglobulin (1980)

Parkhouse, R. M. E. ; Lifter, John ; Choi, Y. S.

[s.l.] : Nature Publishing Group

Nature 284 (1980), S. 280-281

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ISSN: 1476-4687

Quelle: Nature Archives 1869 - 2009

Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik

Notizen: [Auszug] Suspensions of murine splenocytes were radioiodinated and the labelled surface proteins solubilised by detergent lysis18,19. slgM, slgD and the Fab and Fc fragments were isolated by a combination of affinity chromatography and tryptic digestion (Fig. 1). The 125I-labelled lysate was divided into ...

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1038/284280a0

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Digitale Medien

Start-up and operation of anaerobic biofilters with packing alternatives (1989)

Choi, Y. S. ; Shin, E. B. ; Chang, H. N. ; [weitere]

Springer

Bioprocess and biosystems engineering 4 (1989), S. 275-281

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ISSN: 1432-0797

Quelle: Springer Online Journal Archives 1860-2000

Thema: Werkstoffwissenschaften, Fertigungsverfahren, Fertigung

Notizen: Abstract Four types of anaerobic upflow biofilters: non-packed (NP-AUBF), two-stage (2S-AUBF), multi-stage (MS-AUBF) and fully-packed (FP-AUBF), were tested for their start-up and operational performance characteristics. The volume of each filter was 12.1 dm3 (10 cm I.D.x155 cm in height). Stepwise seeding was conducted and the effect on the reduction of COD and gas production was monitored. When each reactor was loaded with 2 and 4 kg COD/m3-day of synthetic waste simulating alcohol production plant, 2S-, MS-, FP-AUBF had treatment efficiencies of 89–93%, while NP-AUBF showed efficiencies lower than 50%. As a conclusion, 2S- or MS-AUBF can be used as efficiently as FP-AUBF, while the amount of packings in the former is half that in FP-AUBF.