Book ChapterDOI
6.1 – Direct Counting of Bacteria by Fluorescence Microscopy
Timothy R. Parsons
- pp 123-126
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The article was published on 1984-01-01. It has received 13 citations till now. The article focuses on the topics: Fluorescence microscope.read more
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Journal ArticleDOI
The effect of U(VI) bioreduction kinetics on subsequent reoxidation of biogenic U(IV)
John M. Senko,Shelly D. Kelly,Alice Dohnalkova,Jeffrey T. McDonough,Kenneth M. Kemner,William D. Burgos +5 more
TL;DR: In this article, a relatively slow rate of U(VI) bioreduction was found to yield larger UO2 precipitates that would be more resistant to oxidation than those produced by rapid U(vi) Bioreduction.
Journal ArticleDOI
Spatial Variation of Bacteria in Surface Waters of Paranaguá and Antonina Bays, Paraná, Brazil
Hedda Elisabeth Kolm,Maria Fernanda Schoenenberger,Mariana da Rocha Piemonte,Patrícia S. de A. Souza,Guilherme Schnell e Scühli,Mariele B. Mucciatto,Roseli Mazzuco +6 more
TL;DR: In this paper, the spatial variability in the concentration of total bacteria, saprophytes and coliforms abundance was investigated in surface waters of Paranagua and Antonina Bays.
Journal ArticleDOI
Purification and characterization of a new hyperthermostable, allosamidin-insensitive and denaturation-resistant chitinase from the hyperthermophilic archaeon Thermococcus chitonophagus
TL;DR: Chi70 is optimally active at 70°C and pH 7.0 and exhibits remarkable thermostability, maintaining 50% activity even after 1 h at 120°C, and therefore the enzyme is the most thermostable chitinase so far isolated.
Journal ArticleDOI
Multiple components and induction mechanism of the chitinolytic system of the hyperthermophilic archaeon Thermococcus chitonophagus.
TL;DR: In this paper, a series of chitinases, co-isolated with the major, cell membrane-associated endochitinase (Chi70), and a periplasmic chitobiase, were subsequently isolated.
Multiple components and induction mechanism of the chitinolytic system of the hyperthermophilic archaeon Thermococcus
TL;DR: It is clear that, even in the absence of any chitinous substrates, there is low-level, basal, constitutive production of chitinolytic enzymes, which can be attributed to the presence of traces of chito-oligosaccharides and other structurally related molecules (in the undefined, rich, non-inducing medium).