On electrolysis of NAD+ in aqueous solution at a potential corresponding to the initial one-electron reduction of NAD+ to a free radical, a greenish-yellow color appears which fades when electrolysis is complete. Literature ultraviolet absorption data for the resulting dimer show considerable variation. When the electrolysis is conducted in darkness, the colored product has epsilon 340 of appro...

An inducible acetylesterase was purified from the culture medium of Aspergillus awamori strain IFO4033 growing on wheat-bran culture by ion-exchange, gel-filtration and hydrophobic-interaction chromatographies. The purified enzyme had an Mr of 31000 and contained Asn-linked oligosaccharides. The enzyme liberated acetic acid from wheat bran, hydrolysed only alpha-naphthyl acetate and propionate ...

Aims and Background: For a long time, intestinal parasite infections are among the major problems of Public health in Iran. Our aim was epidemiological studies on the frequency of intestinal parasites in patients referred to medical centers of Shahid Sadoughi University in Yazd during 2015-2016. Materials and Methods: In a two years cross-sectional study in the medical centers of Shahid Sadoug...

The purpose of this paper is to survey the theoretical literature on wealth transfer taxation. The focus is normative: we are looking at the design of an optimal tax structure from the standpoint of both equity and efficiency. The gist of this survey is that the optimal design closely depends on the assumed bequest motives. Alternative bequest motives are thus analyzed either in isolation or co...

This paper presents an extension to the fixed-effect Logit for panel-data discrete-choice models, where the error component structure is multiplicative (individual effects multiplied by time effects). In linear models with such an error-component structure as investigated by Ahn, Lee and Schmidt (2001), usual fixed-effect estimators are generally inconsistent. We propose a conditional Logit est...

At this time, almost all organizations/companies use IT to support their business processes. The presence of makes work easier for organizations/companies. Especially with the Covid-19 pandemic which has had a huge impact on several sectors. One them is in travel services sector. In situation swayed by pandemic, PT Bayu Buana Tbk, one companies engaged business, chose change its strategy using ...