aim: the purpose of this study was to determine quality of life in peptic ulcer patients referring to al-zahra hospital of isfahan. background: peptic ulcer disease (pud) is one of the most prevalent diseases. its prevalence is 6-15% and about 10% of people experience its symptom in their life. pud can have a considerable impact on patients’ quality of life (qol). patients and methods: this des...

due to high speed computer networks, the use of digitally formatted data has increased many folds.the digital data can be duplicated and edited with great ease which has led to a need for effectivecopyright protection tools. digital watermarking is a technology of embedding watermark withintellectual property rights into images, videos, audios and other multimedia data by a certainalgorithm .di...

in this paper we characterize the radical of an arbitrary‎ ‎submodule $n$ of a finitely generated free module $f$ over a‎ ‎commutatitve ring $r$ with identity‎. ‎also we study submodules of‎ ‎$f$ which satisfy the radical formula‎. ‎finally we derive‎ ‎necessary and sufficient conditions for $r$ to be a‎ ‎pr$ddot{mbox{u}}$fer domain‎, ‎in terms of the radical of a‎ ‎cyclic submodule in $rbigopl...

Inhibition of nuclear factor kappaB (NF-kappaB) is mainly accomplished by IkappaB alpha, which consists of a signal response sequence at the N-terminus, a six-ankyrin repeat domain (ARD) that binds NF-kappaB, and a C-terminal PEST sequence. Previous studies with the ARD revealed that the fifth and sixth repeats are only partially folded in the absence of NF-kappaB. Here we report NMR studies of...

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The lattice of non-empty Scott-closed subsets of a domain D is called the Hoare powerdomain of D. The Hoare powerdomain is used in programming semantics as a model for angelic nondeterminism. In this paper, we show that the Hoare powerdomain of any domain can be realized as the lattice of full subinformation systems of the domain’s corresponding information system as well as the lattice of non-...

We and others recently discovered HHLA2 as a new B7 family member and transmembrane and immunoglobulin domain containing 2 (TMIGD2) as one of its receptors. Based on a new study we propose that HHLA2 may represent a novel immunosuppressive mechanism within the tumor microenvironment and hence could be a target for cancer therapy. TMIGD2 may be another therapeutic target.