نتایج جستجو برای: fre
تعداد نتایج: 567 فیلتر نتایج به سال:
We simulated multistate capture histories (CHs) by varying state survival (ϕ), detection (p) and transition (ψ), number of total capture occasions and releases per capture occasion and then modified these scenarios to mimic false rejection error (FRE), a common misidentification error, resulting from the failure to match samples of the same individual. We then fit a multistate model and estimat...
[1] Biomass burning is an important global phenomenon impacting atmospheric composition. Application of satellite based measures of fire radiative energy (FRE) has been shown to be effective for estimating biomass consumed, which can then be used to estimate gas and aerosol emissions. However, application of FRE has been limited in both temporal and spatial scale. In this paper we offer a metho...
The frequency of recombinational exchanges (FRE) that disrupt co-inheritance of transferred donor markers in Escherichia coli Hfr by F(-) crosses differs by up to a factor of two depending on physiological factors and culture conditions. Under standard conditions we found FRE to be 5.01 +/- 0.43 exchanges per 100-min units of DNA length for wild-type strains of the AB1157 line. Using these cond...
Ethanol extract (FRE) and water extract (FRW) of Ficus racemosa (family: Moraceae) were subjected to free radical scavenging both by steady state and time resolved methods such as nanosecond pulse radiolysis and stopped-flow spectrophotometric analyses. FRE exhibited significantly higher steady state antioxidant activity than FRW. FRE exhibited concentration dependent DPPH, ABTS(*-), hydroxyl r...
In the background of weak, if any, constitutive SOS function, RecA from Pseudomonas aeruginosa (RecAPa) shows a higher frequency of recombination exchange (FRE) per DNA unit length as compared to RecA from Escherichia coli (RecAEc). To understand the molecular basis for this observation and to determine which regions of the RecAPa polypeptide are responsible for this unusual activity, we analyz...
Constipation is a common problem in males and females. The aim of the present study was to evaluate the laxative effects of fermented rice extract (FRe) on rats with loperamide-induced constipation. FRe (100, 200 and 300 mg/kg) was administered orally once per day for six days following 1 h loperamide treatment. The laxative effects of FRe were compared with those of sodium picosulfate (S. pico...
1 Laboratoire de Géophysique Interne et de Tectonophysique, BP 53, 38041 Grenoble Cedex 9, France 2 Seismological Laboratory, California Institute of Technology, 1200 East California Boulevard, Pasadena, California 91125, USA 3 Institut de Physique du Globe, 4 place Jussieu, 75252 Paris Cedex 05, France 4 now at: Laboratoire de Modélisation et d’Imagerie en Géosciences CNRS FRE 2639, Université...
The traditional Richards' equation implies that the wetting front in unsaturated soil follows Boltzmann scaling, with travel distance growing as the square root of time. This study proposes a fractal Richards' equation (FRE), replacing the integer-order time derivative of water content by a fractal derivative, using a power law ruler in time. FRE solutions exhibit anomalous non-Boltzmann scalin...
Escherichia coli general NAD(P)H:flavin oxidoreductase (Fre) does not have a bound flavin cofactor; its flavin substrates (riboflavin, FMN, and FAD) are believed to bind to it mainly through the isoalloxazine ring. This interaction was real for riboflavin and FMN, but not for FAD, which bound to Fre much tighter than FMN or riboflavin. Computer simulations of Fre.FAD and Fre.FMN complexes showe...
Point-based rigid registration is the method of choice for aligning medical datasets in diagnostic and image-guided surgery systems. The most clinically relevant localization error measure is the Target Registration Error (TRE), which is the distance between the image-defined target and the corresponding target defined on another image or on the physical anatomy after registration. The TRE dire...
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