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420 results on '"Gur G"'

1. Candidate molecules as diagnostic biomarker for human uterine mesenchymal tumors

Author

Massachusetts Institute of Technology. Department of Biology, Hayashi, T, Sano, K, Ichimura, T, Gur, G, Yaish, P, Zharhary, D, Kanai, Y, Tonegawa, S, Yaegashi, N, Konishi, I, Massachusetts Institute of Technology. Department of Biology, Hayashi, T, Sano, K, Ichimura, T, Gur, G, Yaish, P, Zharhary, D, Kanai, Y, Tonegawa, S, Yaegashi, N, and Konishi, I

Published
2023

2. PO-1890 AI-based OAR delineation in brain T1w-MRI: Overcoming Inter- and Intra-observer variability

Author

Gungor, G., primary, Klausner, G., additional, Gur, G., additional, Serbez, I., additional, Temur, B., additional, Caffaro, A., additional, Hardy, L., additional, Kandiban, S., additional, Oumani, A., additional, Bertrand, B., additional, Shreshtha, K., additional, Roque, T., additional, Atalar, B., additional, Paragios, N., additional, and Ozyar, E., additional

Published
2022
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3. Candidate molecules as diagnostic biomarker for human uterine mesenchymal tumors

Author

Yaish P, Sano K, Takuma Hayashi, Ichimura T, Tonegawa S, Yaegashi N, Zharhary D, Kanai Y, Gur G, and Konishi I

Subjects
Leiomyosarcoma, Oncology, medicine.medical_specialty, Poor prognosis, business.industry, Uterine leiomyosarcoma, Mesenchymal stem cell, Cancer, medicine.disease, body regions, Internal medicine, medicine, Overall survival, General Earth and Planetary Sciences, Diagnostic biomarker, Stage iv, business, General Environmental Science
Abstract

Unfortunately, uterine leiomyosarcoma still has a poor prognosis. The National Cancer Institute reported that the median overall survival (mOS) at stage I to stage IV of leiomyosarcoma was 31 months.

Published
2020

12. Time Analysis in Magnetic Resonance Image-Guided Radiotherapy Workflow

Author

Mustafayev, T.Z., primary, Sahin, B., additional, Gungor, G., additional, Aydin, G., additional, Serbez, I., additional, Teymur, B., additional, Gur, G., additional, Arabaci, G., additional, Atalar, B., additional, Yapici, B., additional, Abacioglu, U., additional, Agaoglu, F., additional, Sengoz, M., additional, and Ozyar, E., additional

Published
2019
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13. One-year follow-up study of serial orthotic treatment in two cases with

Author

Gur, G, Erel, S, Yakut, Y, Aksoy, C, and Uygur, F

Subjects
musculoskeletal diseases, treatment, Arthrogrypotic syndromes, knee flexion contractures, serial orthotic
Abstract

Background: The aim of this pilot study was to investigate the effectiveness of serial splinting in two children with bilateral knee flexion contractures due to arthrogrypotic syndrome. Case description and methods: We evaluated the infants' passive knee extension limitation and motor development levels. Serial orthotic treatment was applied to decrease bilateral knee flexion contractures in the knees of the subjects. The follow-up period was up to 1 year. Findings and outcomes: At the end of serial orthotic treatment, improvement in bilateral passive extension limitation (for the first case, the increase in passive range of extension was approximately 75 degrees, for the second case it was 45 degrees) was achieved in both cases. Conclusion: We believe that serial orthotic intervention is effective in patients with arthrogrypotic syndrome at the preoperative period or in patients who cannot be operated on. Further studies are needed for evaluation of effectiveness of this method. Clinical relevance Our pilot study aimed to investigate the effectiveness of serial orthotic treatment in knee contractures due to arthrogrypotic syndrome in two infants which showed an improvement in range of extension.

Published
2016

15. HASTE MRCP and MRI findings in alveolar echinococcosis of the liver

Author

Agildere Am, Gur G, Tarhan Nc, and Boyaciğlu S

Subjects
Male, Echinococcosis, Hepatic, Magnetic resonance cholangiopancreatography, medicine.medical_specialty, Endoscopic retrograde cholangiopancreatography, Adolescent, medicine.diagnostic_test, business.industry, medicine.medical_treatment, Alveolar echinococcosis, Magnetic resonance imaging, Middle Aged, Fast spin echo, Percutaneous transhepatic cholangiography, Magnetic Resonance Imaging, medicine, Humans, Female, Radiology, Nuclear Medicine and imaging, Radiology, business, Mri findings
Abstract

Alveolar echinococcosis is a rare mass-producing inflammatory process of the liver. Experience with MRI, and particularly magnetic resonance cholangiopancreatography (MRCP), demonstrates that features of this disease are limited. The HASTE (half-Fourier acquisition single-shot turbo spin echo) MRCP and MRI findings of alveolar echinococcosis of the liver are presented in this report. HASTE MRCP was used to define the biliary system and the biliary system-mass relationship. It was found that results were comparable with those of invasive techniques such as endoscopic retrograde cholangiopancreatography and percutaneous transhepatic cholangiography.

Published
2001

17. Antibiofilm Activities of Fluoride Releasing Restorative Materials

Author

Tartici Mehmet, Tartici Tuğçe, Karaca Başar, and Gür Gürkan

Subjects
fluoride, biofilm, streptococcus mutans, restorative material, resin-modified glass ionomer cement, resin composite, Dentistry, RK1-715
Abstract

Backround/Aim: The purpose of this in vitro study is to evaluate the antibiofilm and antimicrobial activities of 5 different restorative materials that release fluoride.

Published
2020
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36. Comparison of polyethylene oxides and polyacrylamides as flocculating agent for the flocculation of tincal slimes.

Author

Gur G., 6th international mineral processing symposium Kusadasi, Turkey 24-Sep-9626-Sep-96, Bulutcu A.N., Turkay S., Gur G., 6th international mineral processing symposium Kusadasi, Turkey 24-Sep-9626-Sep-96, Bulutcu A.N., and Turkay S.

Abstract

Tincal ore contains 20-45% of water insoluble materials consisting mainly of dolomite and montmorillonite. During the production of borax and pentahydrates from the tincal concentrate, the water insoluble materials in the concentrator wastes are separated by flocculation. Flocculation using PEO and PAM-based polymers was studied. The optimal flocculants were found to be polyethylene oxide for the flocculation of concentrator wastes, nonionic polyacrylamide for the production of borax decahydrate and 10% anionic polyacrylamide for the production of borax pentahydrate. Polyethylene oxide was found to behave differently from polyacrylamide-based polymers when the solid concentration of the suspension was increased and in the case of excess flocculant addition., Tincal ore contains 20-45% of water insoluble materials consisting mainly of dolomite and montmorillonite. During the production of borax and pentahydrates from the tincal concentrate, the water insoluble materials in the concentrator wastes are separated by flocculation. Flocculation using PEO and PAM-based polymers was studied. The optimal flocculants were found to be polyethylene oxide for the flocculation of concentrator wastes, nonionic polyacrylamide for the production of borax decahydrate and 10% anionic polyacrylamide for the production of borax pentahydrate. Polyethylene oxide was found to behave differently from polyacrylamide-based polymers when the solid concentration of the suspension was increased and in the case of excess flocculant addition.

Published
1996

45. Helicobacter pylori seroprevalence in patients with chronic bronchitis

Author

Kanbay, M., Gur, G., Akcay, S., and Yilmaz, U.

Abstract

Aim: A high rate of seropositivity for antibodies against Helicobacter pylori has been found in many extragastrointestinal diseases. In addition, it has been reported that the risk of chronic bronchitis may be increased in subjects infected with H. pylori. This study was designed to determine the H. pylori seroprevalence in patients with and without chronic bronchitis. Materials and methods: This study enrolled 68 patients with chronic bronchitis (40 men and 28 women, aged 50.5+/-16.2 years (mean+/-standard deviation) and 95 control subjects (60 men and 35 women, aged 51.8+/-15.9 years) matched for age and sex. An enzyme-linked immunosorbent assay immunoglobulin (Ig) G test for H. pylori diagnosis was performed on all enrolled subjects (those with chronic bronchitis and controls). Results: Forty-five of 68 patients with chronic bronchitis (66.1%) and 48 of 95 subjects in the control group (57.7%) tested positive for H. pylori (P=0.008). Rates of H. pylori infection are higher in patients with chronic bronchitis than in the control group. Conclusion: The main conclusion of this study is that H. pylori infection is associated with an increased prevalence chronic bronchitis. Further studies should be planned to understand the potential pathogenetic mechanisms that might underlie this association.

Published
2005
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48. Image Error Concealment Using Watermarking with Subbands for Wireless Channels.

Author

Gur, G., Altug, Y., Anarim, E., and Alagoz, F.

Abstract

Transmission of block-coded images through error-prone wireless channels often results in lost blocks. In this study, we investigate a novel error concealment method for covering up these high packet losses and reconstructing a close approximation. Our scheme is a modified discrete wavelet transform (DWT) technique (namely, subbands based image error concealment (SIEC)) for embedding downsized replicas of original image into itself. We propose that this technique can be implemented for wireless channels to combat degradations in a backward-compatible scheme. We show that the proposed error concealment technique is promising, especially for the erroneous channels causing a wider range of packet losses, at the expense of computational burden [ABSTRACT FROM PUBLISHER]

Published
2007
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50. The importance of increasing the number of gastric biopsies in the diagnosis of Helicobacter pylori

Author

Gur, G., Ahmet Sedat Boyacioglu, Demirhan, B., Gursoy, M., Karaagaoglu, E., Gungen, Y., and Telatar, H.

Subjects
Adult, Male, Helicobacter pylori, Gastric Mucosa, Biopsy, Gastritis, Humans, Female, Middle Aged, Sensitivity and Specificity, Helicobacter Infections
Abstract

The role of Helicobacter pylori in various gastroduodenal diseases is universally accepted. In this study, we aimed to determine the proper number and sites of the gastric biopsies in order to achieve the highest diagnostic yield through the use of a urease test and histopathology. We also compared the histological findings encountered in patients who had Helicobacter pylori (H. pylori) colonization.Fifty patients referred for upper gastrointestinal endoscopy for dyspeptic complaints were included in the study. Our mapping protocol included 2 biopsies from antrum and 2 biopsies from corpus. We obtained 2 biopsies from each biopsy site for urease test and histopathological assessment. Golden standard positivity for the presence of H. pylori colonization was defined as concomitantly positive urease test and histologically detected bacteria found at the same biopsy site.Forty-three patients had H. pylori colonization. Colonization rates of H. pylori, sensitivities of urease testing, and histopathology in 4 biopsy sites were not statistically different. Sensitivity of urease testing was 81.4% for 1 biopsy and 100% for 4 cumulative biopsies. Sensitivities of histological assessment were 93% and 100% for 1 and 4 biopsies, respectively.Results of this study suggest that 2 biopsies for urease testing and 1 biopsy for histopathology obtained from the antrum or corpus of the stomach were sufficient to obtain the highest statistically significant diagnostic sensitivity.

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