Proof: If a deterministic Turing machine T decides language BHP by computing the first n steps of each of the possible computation paths of the nondeterministic Turing machine Mi applied to x, then the worst-case running-time of T must be exponential, since Mi applied to x may have a choice of an exponential number of computation paths. So if T is to decide language BHP and still run in polynom...

Activation calculations have been performed for the LIBRA reactor. Replacing HT-9 by low activation modified HT-9 increases the activity by a factor of 2.5 at shutdown while the long term activity drops by a factor of 25. The reflector is classified as Class C low level waste when modified HT-9 is used. Using HT-9 will require deep geological burial for the LIBRA radwaste. The activity produced...

conclusions prevalence of fbe and aap was significantly different from similar studies, yet frequency of bhp was in accordance with other studies. prevalence of icaa and is256 was not significantly different from some studies while a significant difference was observed when results were compared with some other studies. results of the 59 s. epidermidis, fbe was found in 89.8%, while aap and bhp...

BACKGROUND/OBJECTIVES This study investigated the antioxidant activities and hepatoprotective effects of Schisandra chinensis Baillon extract (SCE) against tert-butyl hydroperoxide (t-BHP)-induced oxidative hepatic damage in rats. MATERIALS/METHODS Sprague-Dawley (SD) rats were pretreated with SCE (300, 600, and 1,200 mg/kg BW) or saline once daily for 14 consecutive days. On day 14, each ani...

BACKGROUND/AIM Propolis is a bee product with antioxidative, antimutagenic, and other beneficial properties, and it is used as a natural drug. It is rich in polyphenolic compounds. Its composition varies depending on the particular geographical region. Oxidative stress is caused by an imbalanced free radical production and antioxidant system. The effects of flavonoids on the expression of DNA r...

CD spectroscopy is often used to elucidate the secondary structure of peptides built from non-natural amino acids such as beta-amino acids. The interpretation of such CD spectra is not always unambiguous. Here, we present a case where two beta-hexapeptides, a dimethyl-beta-hexapeptide indicated as DM-BHP (A) and its nonmethylated analogue indicated as BHP (B), exhibit similar CD spectra, wherea...

Clotrimazole (CLT) is an antifungal and antimalarial agent also effective as a Gardos channel inhibitor. In addition, CLT possesses antitumor properties. Recent data provide evidence that CLT forms a complex with heme (hemin), which produces a more potent lytic effect than heme alone. This study addressed the effect of CLT on the lysis of normal human erythrocytes induced by tert-butyl hydroper...

Enzootic bovine leukosis is a contagious disease of cattle caused by the retrovirus, bovine leukemia virus (BLV) and is the most common cause of malignant neoplasm in cattle. In order to facilitate surveillance of this disease in dairy herds, we developed a method to combine ELISA of milk collected during routine production testing with a prescribed sampling of cows that is independent of the p...