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Bulunan: 756 Adet 0.094 sn
İlgili Araştırmacılar [90]
Ambargo Durumu [1]
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ENDEKS [89]

1-[6-(6-Acetylpyridin-2-yl)pyridin-2-yl]ethanone

Dogan, Huseyin Zekeriya | Sengul, Abdurrahman | Coles, Simon John

In the title compound, C14H12N2O2, the asymmetric unit comprises one half-molecule with an inversion center between the pyridine rings. The rings are trans coplanar with the acetyl groups deviating slightly from the mean planes, making a dihedral angle of 4.63 (4)degrees. In the crystal, molecules are linked by weak intermolecular C-H...O hydrogen bonds, forming a supramolecular sheet parallel to (100).

Causative Agents of Intravenous Catheter-Related Infections and Their Antibiotic Susceptibilities

Aktas, Elif | Sari, Emre Nur | Keskin, Aysegul Seremet | Piskin, Nihal | Kulah, Canan | Comert, Fusun

Intravenous catheterization can lead to colonization as well as a broad spectrum of infections ranging from catheter site infections to catheter-related blood stream infections (CRBSIs). The aim of this study was to evaluate the distribution of causative agents and their antibiotic susceptibility patterns in CRBSIs and catheter site infections along with the colonization rates and colonizing microorganisms in Zonguldak Karaelmas University Hospital, Turkey. The results of cultures from catheter tips and/or intracatheter blood cultures and simultaneously taken peripheral blood cultures were sen ...Daha fazlası

The Analgesic Effect of Dexketoprofen When Added to Lidocaine for Intravenous Regional Anaesthesia: a Prospective, Randomized, Placebo-controlled Study

Yurtlu, S. | Hanci, V. | Kargi, E. | Erdogan, G. | Koksal, B. G. | Gul, S. | Okyay, R. D.

This prospective, randomized, placebo-controlled study evaluated the effects of dexketoprofen as an adjunct to lidocaine in intravenous regional anaesthesia (IVRA) or as a supplemental intravenous (i.v.) analgesic. Patients scheduled for elective hand or forearm soft-tissue surgery were randomly divided into three groups. All 45 patients received 0.5% lidocaine as IVRA. Dexketoprofen was given either i.v. or added into the IVRA solution and the control group received an equal volume of saline both i.v. and as part of the IVRA. The times of sensory and motor block onset, recovery time and posto ...Daha fazlası

Mast Cells and p53 Expression in Psoriasis Vulgaris

Barut, Figen | Bektaş, Sibel | Gün, Banu Doğan | Bahadır, Burak | Özdamar, Şükrü Oğuz

https://dx.doi.org/10.5336/medsci.2009-15903 https://hdl.handle.net/20.500.12628/2914

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N-acetyl-cysteine improves anastomotic wound healing after radiotherapy in rats

Demir E.O. | Cakmak G.K. | Bakkal, Bekir Hakan | Turkcu U.O. | Kandemir N. | Demir A.S. | Tascilar O.

Aim: This study was designed to determine the effects of intraperitoneally or orally administered N-acetylcysteine (NAC) on anastomotic healing of irradiated rats. Methods: Thirty-two male Wistar albino rats were randomized into four groups containing 8 rats each: I; standard resection plus anastomosis, II; radiation plus standard resection plus anastomosis, III; radiation plus standard resection plus anastomosis plus oral NAC, IV; radiation plus standard resection plus anastomosis plus intraperitoneal NAC. Four types of assessment were performed: bursting pressure, hydroxiproline (OHP) conten ...Daha fazlası

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21st Century Reflections of an Academic Dean

Neal, C. Warren

A global revolution to education is occurring. Information technology is not just changing disciplines but is also materially affecting the delivery process of a classroom and the learning process. Ironically the old British higher education system from centuries ago may revisit today because technology available to students of all ages. Addressing the challenges of this change will require higher education to revisit policies such as tenure requirements with the focus being to reduce fixed cost and increase accountability. It will require new changes in delivery systems and learning paradigm ...Daha fazlası

Synthesis and characterization of poly(N-isopropyl acryl amide)-g-poly(LINOLEIC ACID)/poly(linolenic acid) graft copolymers

Allı, Abdulkadir | Hazer, Baki

To diversify edible oil thermoresponsive polymer composites, polymeric linoleic acid peroxide (PLina) and polymeric linolenic acid peroxide (PLinl) were obtained by the autoxidation of linoleic acid (Lina) and linolenic acid (Linl), respectively. The autoxidation of Lina and Linl under air at room temperature rendered waxy soluble polymeric peroxide, having a soluble fraction in chloroform of more than 91 wt% and containing up to 1.0 wt% of peroxide. The soluble polymeric oil macro-peroxide was used to initiate the free radical polymerization of N-isopropylacrylamide, NIPAM, resulting in PLina ...Daha fazlası

Synthesis and characterization of poly(methyl methacrylate-block-ethylene glycol-block-methyl methacrylate) block copolymers by reversible addition-fragmentation chain transfer polymerization

Öztürk, Temel | Göktaş, Melahat | Hazer, Baki

Synthesis of poly(methyl methacrylate-block-ethylene glycol-block-methyl methacrylate) triblock copolymers by reversible addition-fragmentation chain transfer (RAFT) by using a novel dual macro initiator (RAFT-agent) is reported. RAFT-agent is obtained from potassium salt of the ethyl xanthegonate and the terminally brominated poly(ethylene glycol) (Br-PEG-Br) which is synthesized by the reaction of poly(ethylene glycol) [PEG] with Mn= 3000 Dalton and 3-bromopropionyl chloride. The principal parameters such as monomer concentration, initiator concentration, and polymerization time that affect ...Daha fazlası

Epilepsy diagnosis using probability density functions of EEG signals

Orhan, Umut | Hekim, Mahmut | Özer, Mahmut | Provaznik, Ivo

In this paper, the equal frequency discretization (EFD) based probability density approach was proposed to be used in the diagnosis of epilepsy from electroencephalogram (EEG) signals. For this aim, EEG signals were decomposed by using the discrete wavelet discretization (DWT) method into subbands, the coefficients in each subband were discretized to several intervals by EFD method, and the probability density of each subband of each EEG segment was computed according to the number of coefficients in discrete intervals. Then, two probability density functions were defined by means of the curve ...Daha fazlası

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Epileptic seizure detection using artificial neural network and a new feature extraction approach based on equal width discretization

Orhan, Umut | Hekim, Mahmut | Özer, Mahmut

In this study, we proposed a new feature extraction approach based on equal width discretization (EWD) method and used the statistical features obtained by means of this approach as the inputs of multilayer perceptron neural network (MLPNN) model in the detection of epileptic seizure from Electroencephalogram (EEG) signals. For this aim, EEG signals were discretized by EWD method, histograms of the signals were obtained according to the density of each discrete interval, and finally these histograms were used as the inputs of MLPNN models both without any hidden layer and with a hidden layer w ...Daha fazlası

A SEVERELY MENTAL AND MOTOR RETARDED BOY WITH MONOSOMY 9pter -> p22, TRISOMY 10q26 -> qter DUE TO PATERNAL RECIPROCAL TRANSLOCATION 46,XY,t(9;10)(p23;q26)

Akbas, E. | Polat, S. | Karakas-Celik, S. | Altintas, Z. Mert | Yildirim, M. | Yilgor, E.

A severely mental and motor retarded hoe with monosomy 9pter -> p22, trisomy 10q26 -> qter due to paternal reciprocal translocation 46,xy,t(9;10)(p23;q26): We report on a twenty-two months old male patient with hypotonia, mental and motor retardation and trigonocephaly. Standard GTG banding chromosomal analysis (from metaphyses of a periferal blood lymphocyte culture) showed 46,XY, der(9) monosomy 9pter -> p22, trisomy 10q26 -> qter karyotype. This unbalanced translocation resulted from the father's (9,10) (p22;p26) karyotype. Deletions of the terminal part of 9p and partial trisomy of chromos ...Daha fazlası

6698 sayılı Kişisel Verilerin Korunması Kanunu kapsamında yükümlülüklerimiz ve çerez politikamız hakkında bilgi sahibi olmak için alttaki bağlantıyı kullanabilirsiniz.
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