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Now showing items 591-600 of 1458
Host location and oviposition in a basal group of parasitic wasps: the subgenual organ, ovipositor apparatus and associated structures in the Orussidae (Hymenoptera, Insecta)
(SPRINGER, 2001)
Anatomical studies and behavioural observations indicate that representatives of the Orussidae use vibrational sounding to detect suitable oviposition sites. During host location, vibrations generated by tapping the tips ...
Inhibition of neuronal nitric oxide synthase prevents iron-induced cerebellar Purkinje cell loss in the rat
(NENCKI INST EXPERIMENTAL BIOLOGY, 2008)
Iron plays an important role in maintaining normal. brain function. However, in many neurodegenerative diseases abnormal iron accumulation in specific brain regions has been consistently reported. In this study, we ...
A density functional study on the efficiencies of 2-mercaptobenzoxazole and its derivatives as chelating agents in flotation processes
(ELSEVIER SCIENCE BV, 2006)
By using the density functional theory (DFT), we calculated some properties such as the energies of highest occupied molecular orbital (HOMO) orbitals and the atomic charges which are related to the reactive behavior of ...
Investigation of relationship between critical surface tension of wetting and oil agglomeration recovery of barite
(ELSEVIER SCIENCE BV, 2004)
In this study, relationship between the critical surface tension of wetting of barite and agglomeration recovery and also zeta potential depending on pH and amount of collector (Na-oleate) was investigated. For this purpose, ...
K-Ar ages of granitoids unravel the stages of Neo-Tethyan convergence in the eastern Pontides and central Anatolia, Turkey
(SPRINGER, 2008)
K-Ar dating of mineral separates extracted from various granitoid rock units of the eastern Pontides and central Anatolia, Turkey, has provided some new insights unravelling various stages of the Neo-Tethyan convergence ...
Effects of intravenous anesthetics on the human radial artery used as a coronary artery bypass graft
(W B SAUNDERS CO-ELSEVIER INC, 2007)
Objective: Intravenous anesthetics are often used for anesthesia, sedation, and analgesia in the intraoperative and postoperative periods of coronary artery bypass graft (CABG) surgery. This study was designed to investigate ...
Geology, geochemistry, and evolution of the Divrigi and Kuluncak ophiolitic melanges, with reference to serpentinites in east-central Turkey
(TAYLOR & FRANCIS INC, 2000)
The Divrigi and Kuluncak ophiolitic melanges are located in central Anatolia in the Tauride ophiolite belt. The stratigraphic sequence in the Divrigi ophiolitic melange includes, from bottom to top, the Upper Jurassic-Lower ...
Relaxation effects of adrenomedullin in carbachol-precontracted rabbit internal anal sphincter
(SPRINGER-VERLAG TOKYO, 2003)
Background The internal anal sphincter is a specialized continuation of the circular smooth muscle layer of the rectum. It has been found that internal anal sphincter tonus is significantly increased in the majority of ...
Influence of shape characteristics of talc mineral on the column flotation behavior
(ELSEVIER SCIENCE BV, 2006)
Column flotation, which is a very effective process in mineral processing especially for easily floatable minerals, is one of the most important new developments to emerge in mineral processing technology in the last years. ...
Ab initio molecular structure study of alkyl substitute analogues of Alzheimer drug phenserine: structure-activity relationships for acetyl- and butyrylcholinesterase inhibitory action
(ELSEVIER SCIENCE BV, 2005)
Considerable experimental evidence suggests that phenserine and some alkyl analogues show inhibitory action against human acetylcholinesterase (AChE) and butyrylcholinesterase (BChE). The electronic structure of the newly ...