41 results for "Burhan, Hakan"
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The Results of a One-Time Crystallized Phenol Application for Pilonidal Sinus Disease
The aim of this study was to investigate the cure rate after a one-time phenol application for pilonidal sinus disease. Forty-eight patients diagnosed with pilonidal sinus from May 2006 to September 2009 were retrospectively reviewed. They were all managed under the same polyclinic conditions in…
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Disease that should be remembered: Sacrococcygeal pilonidal sinus disease and short history
Pilonidal sinus disease has led to heated debates since it was first described in the medical literature. Although a consensus has been built on its etiology and pathogenesis, the same course has not progressed for treatment modality. This review is a short article about the process of pilonidal…
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Is gastroscopy necessary before bariatric surgery?
Obesity is the abnormal accumulation of fat or adipose tissue in the body. It has become a serious health problem in the world in the last 50 years and is considered a pandemic. Body mass index is a widely used classification. Thus, obese individuals can be easily classified and standardized…
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Routine endoscopy prior to bariatric surgery: evidence-based necessity or institutional tradition?
Obesity, a growing global health challenge, requires effective treatment modalities, among which bariatric surgery is the gold standard for patients with Class III obesity (BMI ≥ 40 kg/m² or ≥ 35 kg/m² with comorbidities). While surgical outcomes are well established, the role of routine…
Also available at: DOAJ
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Monodisperse Pt-Co/GO anodes with varying Pt: Co ratios as highly active and stable electrocatalysts for methanol electrooxidation reaction
The intense demand for alternative energy has led to efforts to find highly efficient and stable electrocatalysts for the methanol oxidation reaction. For this purpose, herein, graphene oxide-based platinum-cobalt nanoparticles (Pt(100−x)Co(x)@GO NPs) were synthesized in different ratios and the…
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Sinotomy technique versus surgical excision with primary closure technique in pilonidal sinus disease
Pilonidal disease is a common chronic disorder mainly seen in the sacrococcygeal region, especially in young males. Many surgical treatment modalities have been suggested, but an ideal and widely accepted treatment has yet to be established. The aim of this study was to compare quality of life of…
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Oxidation of Benzyl Alcohol Compounds in the Presence of Carbon Hybrid Supported Platinum Nanoparticles (Pt@CHs) in Oxygen Atmosphere
A novel catalyst which carbon hybrid supported platinum nanoparticles were synthesized by our group for the oxidation of benzyl alcohol derivatives. In this study, this catalyst was utilized for the oxidation of benzyl alcohol derivatives to benzaldehyde compounds in aqueous toluene at 80 °C. The…
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A Novel Hydrogenation of Nitroarene Compounds with Multi Wall Carbon Nanotube Supported Palladium/Copper Nanoparticles (PdCu@MWCNT NPs) in Aqueous Medium
A novel nanocatalyst, multi-wall carbon nanotube supported palladium/copper (PdCu@MWCNT) nanoparticles, was synthesized for the reduction of nitroarene compounds. Characterization of the nanocatalyst was achieved by XRD, XPS, TEM, and Raman spectroscopy analysis. In this study, the hydrogenation of…
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Synthesis of benzylidenemalononitrile by Knoevenagel condensation through monodisperse carbon nanotube-based NiCu nanohybrids
Monodisperse nickel/copper nanohybrids (NiCu@MWCNT) based on multi-walled carbon nanotubes (MWCNT) were prepared for the Knoevenagel condensation of aryl and aliphatic aldehydes. The synthesis of these nanohybrids was carried out by the ultrasonic hydroxide assisted reduction method. NiCu@MWCNT…
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Swallowed Three Needles and Resulting in Treatment with Three Different Approach: A Case Report
Foreign body swallowing in pediatric age group are seen more frequently than adult age group. Engulfed foreign bodies exhibits clinical medical complications. Although treatment modalities may vary, the foreign body is mostly spontaneously excreted through the gastrointestinal tract. Treatment…
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Composites of Palladium–Nickel Alloy Nanoparticles and Graphene Oxide for the Knoevenagel Condensation of Aldehydes with Malononitrile
[Image: see text] Herein, we have described uniformly dispersed palladium–nickel nanoparticles furnished on graphene oxide (GO-supported PdNi nanoparticles) as a powerful heterogeneous nanocatalyst for the promotion of Knoevenagel reaction between malononitrile and aromatic aldehydes under mild…
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Travma Sonrası Subkapsüler Alana Perfore Olmuş Karaciğer Kist Hidatiği: Olgu Sunumu
Kist hidatik hastalığı, Türkiye'nin de aralarında bulunduğu pek çok ülkede önemli bir sağlık sorunudur. Daha çok karaciğer ve akciğerde yerleşim gösterse de vücudun tüm dokularında görülebilir. Karaciğer kist hidatiklerinin çeşitli komplikasyonları vardır ve perforasyon bunlardan biridir…
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A Rare Clinical Entity in the Differential Diagnosis of Mastalgia: Thoracic Zona
OBJECTIVE: Mastalgia is the most common complaint of patients who are admitted for breast examination. Breast pain may originate breast tissue pathologies or non-breast pathologies adjacent organs. One of the causes of mastalgia is the varicella-zoster infection of the thoracic nerve ganglions. The…
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Familial Abdominal and Intestinal Lipomatosis Presenting with Upper GI Bleeding
Although lipomas are encapsulated benign tumors, systemic lipomatosis defines infiltrative nonencapsulated tumors resembling normal adipose tissue. Abdominal lipomatosis and intestinal lipomatosis are different clinicopathological entities with similar clinical symptoms. We describe here a case…
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Monodisperse thiourea functionalized graphene oxide-based PtRu nanocatalysts for alcohol oxidation
Addressed herein, thiourea functionalized graphene oxide-based PtRu nanocatalysts (PtRu@T/GO) has been synthesized and characterized by several techniques and performed for methanol oxidation reactions as novel catalysts. In this study, graphene oxide (GO) was functionalized with thiourea (T/GO) in…