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Now showing items 61-80 of 4497
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Chelate extraction of transition metal ions by ethylene diamine diacetic acid with n-substituted octadecyl groups
(Taylor & Francis Inc, 2002)An organic-soluble chelating agent NN'-di-n-octadecyl ethylenediamine-NN'-diacetic acid (DOED) has been synthesized in two steps by (i) condensation of dibromoethane with 1-amino octadecane (octadecylamine) and (ii) ... -
Metalization of polymer beads via polymer-supported hydrazines as reducing agents
(John Wiley & Sons Inc, 2002)A new method for depositing metal onto a polymer surface has been developed in which the metal coating of polymer beads is performed with hydrazine functions as reducing agents on the surface of the polymer itself. In this ... -
Prospective evaluation of platelets prepared by single and random methods during 5 days of storage: aspects related to quality and quantity
(Pergamon-Elsevier Science Ltd, 2002)Platelets which have an important role in hemostatic mechanisms and which were prepared by single and random methods were investigated to measure quantity and aggregation response during 5 days of storage. The aggregation ... -
Primary epiploic appendagitis: MRI findings
(Elsevier Science Inc, 2002)Primary epiploic appendagitis (PEA) occurs secondary to inflammation of an epiploic appendage and is considered to be a rare cause of acute abdomen. In this case report we describe the magnetic resonance imaging (MRI) ... -
Antihepatitis B response to hepatitis B vaccine administered simultaneously with tetanus toxoid in nonresponder individuals
(Elsevier Science, 2002)In this prospective study our aim was to test the effect of simultaneous administration of preS2 and S containing recombinant hepatitis B vaccine (S2SRHB) with tetanus toxoid (TT) to the individuals who did not respond ... -
Clinical experience with coronary sinus catheterization in minimally invasive aortic valve surgery under transesophageal echocardiography guidance
(Kluwer Academic Publishers, 2002)We aimed to show conventional coronary sinus (CS) catheter could be used with transesophageal echocardiography (TEE) guidance through the limited surgical field in aortic valve surgery with 'J' sternotomy. This method was ... -
Cognitive impairment in amyotrophic lateral sclerosis: evidence from neuropsychological investigation and event-related potentials
(Elsevier Science Bv, 2002)The presence of subclinical cognitive impairment in patients with amyotrophic lateral sclerosis (ALS) is investigated using neuropsychological assessment and event-related potential recordings (ERP). An extensive battery ... -
Jonson and the alchemical economy of desire: creation defacement and castration in the 'Alchemist'
(Univ Paul Valery, 2002)Behind images of Ben Jonson as the virtuous centred stoic writer lie the traces of a morbid fear concerning the fate of the poet's creation and name. The Jonsonian oeuvre reveals a fear of the ultimate defacement and ... -
Surgical treatment of tachyarrhythmias due to postinfarction left ventricular aneurysm with endoaneurysmorrhaphy and cryoablation
(Elsevier Science Bv, 2002)Objective: In this study the efficacy of left ventricular (LV) endoaneurysmorrhaphy and cryoablation without intraoperative electrophysiologic mapping was evaluated in patients with postinfarction LV aneurysm and sustained ... -
The role of oxygen saturation measurement and body mass index in distinguishing between non-apnoeic snorers and patients with obstructive sleep apnoea syndrome
(Blackwell Publishing Ltd, 2002)The aim of this study was to examine the role of oxygen saturation (SaO(2)) measurement in identifying apnoeic snorers from non-apnoeic snorers and in the assessment of the severity of obstructive sleep apnoea. Ninety-two ... -
Monostotic fibrous dysplasia of the clivus: MRI and CT findings
(Springer Verlag, 2002)Fibrous dysplasia is a developmental disorder caused by abnormal proliferation and maturation of fibroblasts resulting in replacement of mature bone by structurally weak immature woven bone. Clival involvement in monostotic ... -
Intravertebral vacuum phenomenon that developed during transpedicular biopsy
(W.B. Saunders Co Ltd, 2002)[Abstract Not Available] -
Intraoperative saline-irrigated radiofrequency modified maze procedure for atrial fibrillation
(Elsevier Science Inc, 2002)Background. This study was conducted to evaluate the effectiveness of the saline-irrigated radiofrequency modified Maze operation for treatment of chronic atrial fibrillation and to compare the results of the left and ... -
Y Chromosome microdeletions in oligozoospermic and azoospermic idiopathic male patients
(The University of Chicago Press, 2002)[Abstract Not Available] -
Attitudes towards knowledge management in Turkish companies
(2002)Attitudes towards knowledge management in Turkish companies are discussed. More and more companies in Turkish economy are allocating responsibility and a budget for knowledge management. Analysis show that the acts of ... -
Self-reported traffic accidents and sleepiness in a professional group of Turkish drivers
(2002)Sleepiness in professional drivers is widely accepted to be an important cause of traffic accidents. Despite growing knowledge of the prevalence of sleepiness in automobile and truck drivers estimates from different countries ... -
Adaptation to nocturnal intermittent hypoxia in sleep-disordered breathing: 2,3 diphosphoglycerate levels: a preliminary study
(2002)An inexpensive method for determining significant sleep-related hypoxemia would be beneficial for patients being investigated and treated for sleep-disordered breathing in order to distinguish hypoxic patients from those ... -
A broadband microwave amplifier design by means of immittance based data modelling tool
(IEEE, 2002)In this paper a practical broadband microwave amplifier design algorithm is introduced utilizing the immittance data-modelling tool. In the course of design first the optimum input and output terminations for the active ... -
Effects of intravenous triiodothyronine during coronary artery bypass surgery
(Asia Publishing Exchange Pte Ltd, 2002)A prospective randomized and double-blind study was performed to evaluate whether perioperative triiodothyronine administration has any effect on cardiovascular performance after coronary artery bypass surgery. Sixty ... -
Edge detection using steerable filters and CNN
(European Signal Processing Conference EUSIPCO, 2002)This paper proposes a new approach for edge detection using steerable filters and cellular neural networks (CNNs) where the former yields the local direction of dominant orientation and the latter provides iterative ...