Bulunan: 66 Adet 0.001 sn
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Yazar [20]
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The Role of Weak Links and Zn-Doping on Magnetic Parameters of High-T (c) Superconductors

Topal, U | Coker, EG | Alikma, F | Kolemen, U | Uzun, O

Article | 2014 | JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM27 ( 1 ) , pp.133 - 141

The second harmonic signal, which is generated by co-application of AC and DC fields to polycrystalline type-II superconductors, were analyzed in terms of the weak links and the critical current density. With this aim the YBa2Cu3-x Zn (x) O7-y (x=0, 0.01, 0.02, 0.03, 0.05, and 0.1) samples were synthesized in order to adjust intergranular couplings and thus the strength of weak links. The mechanical and magnetic measurements are in good agreement on that Zn doping reduces strength of the links between grains; however, contrary to the common expectations, it has no direct contribution to the 2nd harmonic signal strength.

Potentially inappropriate medications in the elderly and their different approval rates in countries participating in the EU COST Action 1402 initiative

Fialova, D | Vysinova, T | Gresakova, S | Laffon-Deusdad, B | Doro, P | Dogan, S | Marinkovic, V

Conference Object | 2017 | INTERNATIONAL JOURNAL OF CLINICAL PHARMACY39 ( 1 ) , pp.310 - 311


Agcaoglu, O | Aksakal, N | Azamat, I | Tukenmez, M | Kalayci, M | Turker, F | Mercan, S

Conference Object | 2014 | OBESITY SURGERY24 ( 8 ) , pp.1287 - 1287

The effect of N-G-nitro L-arginine methyl ester on colonic anastomosis after increased intra-abdominal pressure

C Polat | Y Arikan | C Gokce | F Aktepe | G Akbulut | S Yilmaz | O Gokce

Article | 2007 | LANGENBECKS ARCHIVES OF SURGERY392 ( 2 ) , pp.197 - 202

Background: Intestinal ischemia-reperfusion (I/R) is associated with augmented nitric oxide (NO) production. Increased intra-abdominal pressure (IAP) during surgical pneumoperitoneum (P) facilitates I/R injury. We previously demonstrated decreased strength and healing of colocolic anastomoses after high IAPs. The effect of an NO synthase inhibitor, N (G)-nitro-arginine methyl ester (L-NAME), on anastomoses realized in colonic tissue exposed to high IAPs was investigated in this study, a randomized, controlled, and experimental study with blind outcome assessment. Method: Fifty Wistar-albino rats were randomized to five groups; all u . . .nderwent colocolic anastomosis. P was maintained for 60 min at IAPs of 14, 20, 25, and 30 mmHg in study groups 1, 2, 3, and 4, respectively; P was preceded by intraperitoneal L-NAME (2.5 mg/kg) and followed by anastomosis. The control group was not subjected to IAP or L-NAME. Results: Anastomosis bursting pressure (ABP) values and histopathological findings were determined on the 7th-14th postoperative days. The ABPs of groups 3-4 were significantly lower than the others. Groups 1-2 had results similar to controls. Histopathological findings of the groups were consistent with their ABPs. Conclusions: Administration of a 2.5-mg/kg intraperitonealL-NAME dose was found to provide a beneficial role, implying a role in impaired anastomotic healing after IAPs of 14 and 20 mmHg Daha fazlası Daha az

Selective Internal Radiation Therapy (SIRT) for Liver Metastasis of Chemoresistant Breast Cancer: Overall Survival and Dose - Response Relationship

Akovali, B | Akgun, EK | Sahin, O | Yeyin, N | Abuqbeitah, M | Tanyildizi, H | Kabasakal, L


Clusterin expression in non-invasive urothelial carcinoma

Dogan, EAI | Eroglu, A | Turkeri, L | Ekici, S

Conference Object | 2009 | VIRCHOWS ARCHIV455 , pp.151 - 151

Boron containing compounds promote the survival and the maintenance of pancreatic beta-cells

Aydin, S | Demirci, S | Dogan, A | Sagrac, D | Kasikci, E | Şahin, Fikrettin

Article | 2019 | MOLECULAR BIOLOGY REPORTS46 ( 5 ) , pp.5465 - 5478

Diabetes mellitus is worldwide disease. The life of diabetic patients are dependent on exogenous insulin. Pancreas or particularly islet transplantations are performed for reducing external insulin dependency. External substances are also used to protect the beta-cells from the death or increase insulin secretion. In the current study, two different boron containing compounds (sodium pentaborate pentahydrate-NaB and boric acid-BA) were investigated for their effect on pancreatic cells in terms of pro-apoptotic and anti-apoptotic markers, genes related to insulin production mechanism, pancreatic development and glucose metabolism, so . . .me antioxidant enzymes, and genes for the initiation of diabetes, insulin secretion and antioxidant enzyme activities in vitro. The results revealed that boron containing compounds did not lead to apoptosis. On the contrary, they increased cell viability, antioxidant enzyme activities and the level of genes related to insulin production. Overall evaluation, data in the current study showed that boron containing compounds might be promising therapeutic agents for type 1 diabetes. However, additional investigations are strictly needed to elucidate molecular mechanisms of boron containing compounds Daha fazlası Daha az

Effects of myeloperoxidase-463 G/A gene polymorphism and plasma levels on coronary artery disease

Ergen, A | Isbir, S | Timirci, O | Tekeli, A | İşbir, Turgay

Article | 2011 | MOLECULAR BIOLOGY REPORTS38 ( 2 ) , pp.887 - 891

Myeloperoxidase is a lysosomal enzyme of polymorphonuclear leucocytes that contributes to inflamatory responses. In previous studies it was shown that MPO was synthesized in atherosclerotic lesions responsible of lipoprotein oxidations. We aimed to determine the MPO -463 G/A gene polymorphism distribution in Turkish population and evaluate the effects of it on myeloperoxidase levels. There were 100 myocardial infarct patients and 100 healthy control subjects in our study. MPO polymorphism was studied by using PCR-RFLP technique and MPO levels were measured by ELISA. It was shown that MPO levels were increasing in patients after myoc . . .ardial infarct event but there were no effect of MPO -463 G/A polymorphism on MPO levels. It was also found that serum total cholesterol and LDL-cholesterol levels and smoking was contributing factors in increments of MPO enzymes. We observed that MPO levels were increased in CAD but there were no effect of MPO -463 G/A polymorphism on MPO levels Daha fazlası Daha az

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