Background: Portulaca oleracea as a herbal plant has been widely used in traditional medicine to cure many diseases. The therapeutic effects of this plant are exerted through its active ingredients with antioxidant properties. It has been shown that this plant may have cytotoxic effects on cancer cells. In the present study, cytotoxic effects of aqueous extract of Portulaca oleracea on oral cav...

for banks and financial institutions, credit risk had been an essential factor that needed to be managed well. credit risk was the possibility that a borrower of counter party would fail to meet its obligations in accordance with agreed terms. credit risk; therefore arise from the bank’s dealings with or lending to corporate, individuals, and other banks or financial institutions.  credit risk...

PURPOSE To evaluate the importance of lens epithelial cell death in age-related cataract. To determine whether the large percentage of terminal deoxynucleotidyl transferase (TdT)-mediated dUTP nick-end labeling (TUNEL)-positive lens epithelial cells previously reported in human capsulotomy specimens results from apoptosis or necrosis. METHODS Capsulotomy specimens from patients who had underg...

By a \tree-bank grammar" we mean a context-free grammar created by reading the production rules directly from hand-parsed sentences in a tree bank. Common wisdom has it that such grammars do not perform well, though we know of no published data on the issue. The primary purpose of this paper is to show that the common wisdom is wrong. In particular we present results on a tree-bank grammar base...

and Headnote We put “runs” back in the bank runs literature. A unified bank, one that invests in both liquid and illiquid assets, can easily avoid runs but it still faces a small probability of non-run rationing of depositors. In a separated financial system, the bank only holds relatively liquid assets; it is subject to runs with small probability, but because of its overinvestment in the liqu...

introduction: the use of cord stem cells, as a cell source for bone marrow reconstruction in patient under hematopoietic stem cell transplantation is enhancing. the amount of cd34+cells collected from cord blood compared to peripheral blood and bone marrow are less, but their collectionprocesure is easier. delay in freezing has negative effect on cells surveillance and reduce their ability in t...

The presence of moral hazard in the banking sector can have worrying results. This paper examines the role of government guarantees to banks in generating moral hazard in Iran. We test for moral hazard among bank creditors by determining whether protected banks received more funds from creditors than non-protected banks. Empirically, to determine the existence of moral hazard among bank manag...

When embarking upon X-ray diffraction data collection from a potentially novel macromolecular crystal form, it can be useful to ascertain whether the measured data reflect a crystal form that is already recorded in the Protein Data Bank and, if so, whether it is part of a large family of related structures. Providing such information to crystallographers conveniently and quickly, as soon as the...