In the design of computer-based systems, simulation tools employed during various stages of the design cycle can provide significant insight into the behavior of the proposed design. Unfortunately the knowledge gained through the course of a simulation exercise is typically lost and inaccessible to other designs. One promising solution to this is the utilization of development environments that...

Here, we report a single-molecule fluorescence resonance energy transfer (FRET) study of a Diels-Alderase (DAse) ribozyme, a 49-mer RNA with true catalytic properties. The DAse ribozyme was labeled with Cy3 and Cy5 as a FRET pair of dyes to observe intramolecular folding, which is a prerequisite for its recognition and turnover of two organic substrate molecules. FRET efficiency histograms and ...

Glucose was found to be a potential stimulator o f carthamin formation in triturated florets o f C. tinctorius. At a 10 m M glucose level, carthamin-producing activity was raised from 3.2fold (upper) to 2.0-fold (lower) level compared with the control having no sugar. Glucose oxi­ dase (ß-D-glucose: oxygen 1-oxidoreductase, EC 1.1.3.4) from Aspergillus niger could catalyze the conversion of pre...

The main goal of this paper is to investigate the periodic character, invariant intervals, oscillation and global stability and other new results of all positive solutions of the equation$$x_{n+1}=frac{alpha+beta x_{n}}{A + Bx_{n}+ Cx_{n-k}},~~ n=0,1,2,ldots,$$where the parameters $alpha$, $beta$, $A$, $B$ and $C$ are positive, and the initial conditions $x_{-k},x_{-k+1},ldots,x_{-1},x_{0}$ are...

objective: the purpose of this study was to determine the validity and reliability of the persian version of templer death anxiety scale-extended (das-e) in veterans of iran–iraq warfare. methods: in this cross-sectional study, 211 male veterans of iran–iraq warfare completed the 51 item dase. principal components analysis with varimax rotation was used to assess domain structure of the das-e. ...

Abstract Big data analytics technologies are rapidly expanding across all industry sectors as organisations try to make an integral part of their everyday decision-making. Although there many software tools and libraries assist analysts engineers in developing solutions, looking for flexible platforms that can address specific objectives requirements. To minimise costs, such also need co-exist ...