Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Raymond L. Kepner"'
Publikováno v:
Journal of the American Society of Brewing Chemists. 78:202-206
The presence of Fusarium head blight on barley impacts beer quality and can have a significant financial impact on the brewing industry. In this work we investigate the use of a portable GCMS instr...
Autor:
Raymond L. Kepner
Publikováno v:
Advances in Microbiology. :630-643
Abundant virus-like particles were concentrated from large-volume samples from two hot springs. Both addition of viral concentrates and addition of samples induced by addition of mitomycin-C changed patterns of carbon source utilization by hot spring
Autor:
Andrew Kortyna, Dale T. Andersen, Peter T. Doran, Emily C. Roberts, Robert A. Wharton, Raymond L. Kepner
Publikováno v:
Water Research. 34:71-84
Results are presented from a study into the effects of scuba diving on water column structure in perennially ice-covered Lake Fryxell, Antarctica. General theoretical predictions are compared with results, which assess potential impacts from diving a
Publikováno v:
Limnology and Oceanography. 43:1754-1761
Water samples collected from four perennially ice-covered Antarctic lakes during the austral summer of 1996-1997 contained high densities of extracellular viruses. Many of these viruses were found to be morphologically similar to double-stranded DNA
Autor:
James R. Pratt, Raymond L. Kepner
Publikováno v:
Journal of Great Lakes Research. 22:63-76
Examination of surface-associated protozoa in Great Lakes coastal marshes has been minimal, although they play crucial roles in nutrient and energy transfer in similar systems. Spatio-temporal patterns of artificial substrate-associated protist and b