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We have developed a simple method for the isolation of highly purified cervine (c) and ovine (o) insulin-like growth factors-I (IGF-I) and -II. The IGFs were isolated from acidified serum by cation exchange chromatography and then purified by gel filtration, chromatofocusing, and reverse-phase chromatography. The IGF preparations are > 95% pure. The cIGF-I(More)
The conceptual development and piloting of an innovative water treatment system for process water produced by a uranium mine mill is described. The process incorporates lime/CO2 softening (Stage 1), reverse osmosis (Stage 2) and biopolishing (Stage 3) to produce water of quality suitable for release to the receiving environment. Comprehensive performance(More)
Electrospray mass spectrometry (ES/MS) and matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI/TOF/MS) were used to provide mass spectra from seven elapid snake venoms. Spectral interpretation was much simpler for MALDI/TOF/MS. ES/MS proved more useful for the provision of molecular weight data for very closely related(More)
Liquid chromatography/fast-atom bombardment mass spectrometry was used to partially confirm the amino-acid sequence of the protein, beta-casein. The study demonstrates that the technique is capable of the rapid and accurate identification of peptide fragments from tryptic digests and that chromatographic integrity is maintained during the analysis. The(More)
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