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Skin disorders in peritoneal dialysis patients:An underdiagnosed subject

World Journal of Nephrology 2016年第4期5卷 372-377页

作者： Meltem Gursu Sami Uzun derya topcuoglu Leyli Kadriye Koc Lamiye Yucel Abdullah Sumnu Egemen Cebeci Oktay Ozkan Ahmet Behlul Leyla Koc Savas Ozturk Rumeyza Kazancioglu Department of Nephrology Bezmialem Vakif University Medical Faculty34093 IstanbulTurkey Department of Nephrology Haseki Training and Research Hospital34093 IstanbulTurkey Department of Dermatology Haseki Training and Research Hospital34093 IstanbulTurkey

AIM： To examine all skin changes in peritoneal dialysis （PD） patients followed up in our ***： Patients on PD program for at least three months without any known chronic skin disease were included in the study. Patients with already diagnosed skin disease, those who have systemic diseases that may cause skin lesions, patients with malignancies and those who did not give informed consent were excluded from the study. All patients were examined by the same predetermined dermatologist with all fndings recorded. The demographic, clinical and laboratory data including measures of dialysis adequacy of patients were recorded also. Statistical Package for Social Sciences （SPSS） for Windows 16.0 standard version was used for statistical ***： Among the patients followed up in our PD unit, those without exclusion criteria who gave informed consent, 38 patients were included in the study with male/female ratio and mean age of 26/12 and 50.3 ± 13.7 years, respectively. The duration of CKD was 7.86 ± 4.16 years and the mean PD duration was 47.1 ± 29.6 mo. Primary kidney disease was diabetic nephropathy in 11, nephrosclerosis in six, uropathologies in four, chronic glomerulonephritis in three, chronic pyelonephritis in three, autosomal dominant polycystic kidney disease in three patients while cause was unknown in eight patients. All patients except for one patient had at least one skin lesion. Loss of lunula, onychomycosis and tinea pedis are the most frequent skin disorders recorded in the study group. Diabetic patients had tinea pedis more frequently （ P = 0.045）. No relationship of skin findings was detected with primary renal diseases, comorbidities and medications that the patients were ***： Skin abnormalities are common in in PD patients. The most frequent skin pathologies are onychomycosis and tinea pedis which must not be overlooked.

关键词： Skin Peritoneal dialysis Onychomycosis Tinea pedis Xeroderma

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Quadratic interaction effect on the dark energy density in the universe

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Chinese Physics B 2017年第10期26卷 533-538页

作者： derya G Deveci Ekrem Aydiner Department of Physics Faculty of ScienceIstanbul University Department of Opticianry Alt?nbas University

In this study, we deal with the holographic model of interacting dark components of dark energy and dark matter quadratic case of the equation of state parameter （EoS）. The effective equations of states for the interacting holographic energy density are derived and the results are analyzed and compared with the solution of the linear form in the literature. The result of our work shows that the value of interaction term between dark components affects the fixed points at far future in the DE-dominated universe in the case of quadratic EoS parameter; it is a different result from the linear case in the theoretical results in the literature, and as the Quintom scenario the equations of state had coincidence at the cosmological constant boundary of - 1 from above to below.

关键词： dark energy dark matter

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(D_(4))-Objects in Abelian Categories

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Algebra Colloquium 2022年第2期29卷 231-240页

作者： Berke Kalebogaz derya Keskin Tutuncu Department of Mathematics Hacettepe University 06800 BeytepeAnkaraTurkey

Let A be an abelian category and M∈*** M is called a(D_(4))-object if,whenever A and B are subobjects of M with M=A⊕B and f:A→B is an epimorphism,Ker f is a direct summand of *** this paper we give several equivalent conditions of(D_(4))-objects in an abelian *** other results,we prove that any object M in an abelian category A is(D_(4))if and only if for every subobject K of M such that K is the intersection K_(1)∩K_(2)of perspective direct summands K_(1)and K_(2)of M with M=K_(1)+K_(2),every morphismφ:M→M/K can be lifted to an endomorphismθ:M→M in End _(A)(M).

关键词： (D_(4))-object abelian category

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Effects of application date and rate of foliar-applied glyphosate on pine seedlings in Turkey

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Journal of Forestry Research 2018年第3期29卷 583-591页

作者： Mehmet Can Cap derya Essn Department of Forest Engineering Faculty of ForestryDüzce UniversityKonuralp Yerleskesi81620 DüzceTurkey

Glyphosate is the herbicide most extensively used for site preparation and conifer release. It is a broadspectrum herbicide and therefore crop safety is a critical issue. This study assessed the early effects of 14 different treatments, including no weed control, manual weed control, and 12 foliar-applied herbicide treatments at low,intermediate, high, and highest application rates and application timing on glyphosate phytotoxicity of containerized seedlings of Austrian pine(Pinus nigra ***.), Scots pine(P. sylvestris L.) and maritime pine(*** Aiton), conifer species widely used for afforestation and supplementary plantings in Turkish forestry. In general, Scots pine seedlings were tolerant to glyphosate compared to the other species. Glyphosate phytotoxicity varied significantly according to the time and rate of application. Seedlings were relatively tolerant to glyphosate in April whereas they were intolerant in May. The highest herbicide rate(1.2% v:v) was consistently phytotoxic to all species. Moreover, the effect of herbicide rate on seedling survival and growth varied significantly according to application date(i.e., application rate 9 date interaction). Seedlings appeared tolerant to glyphosate at low and intermediate rates(0.2, 0.4% v:v) between midspring and mid-summer, whereas they demonstrated significant sensitivity to the highest rate across all time periods. Glyphosate at the high rate(0.8% v:v) was particularly more phytotoxic when applied in May. Application of glyphosate at rates up to 0.8% could be recommended for weed control without significant pine damage in midspring when the needles presumably have a dense leaf epicuticular wax layer limiting herbicide *** of 0.8 and 1.2% v:v are not recommended during May–June.

关键词： Application date and rate Glyphosate screening Pines Seedling tolerance

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On Baer-Kaplansky Classes of Modules

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Algebra Colloquium 2017年第4期24卷 603-610页

作者： derya Keskin Tutuncu Rachid Tribak Department of Mathematics Hacettepe University 06800 Beytepe Ankara Turkey Centre Regional des Metiers de L'Education et de la Formation (CRMEF)-Tanger Avenue My Abdelaziz Souani B.P. 3117 Thngier Morocco

We are interested in studying when the class of local modules is Baer- Kaplansky. We provide an example showing that even over a commutative semisimple ring R, we can find two non-isomorphic simple R-modules S1 and S2 such that the rings EndR（S1） and EndR（S2） are isomorphic. We show that over any ring R, the class of semisimple R-modules is Baer Kaplansky if and only if so is the class of simple R-modules.

关键词： Baer Kaplansky class of modules local modules semisimple rings

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Effects of wood species and retention levels on removal of copper,chromium,and arsenic from CCA-treated wood using sodium hypochlorite

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Journal of Forestry Research 2016年第2期27卷 433-442页

作者： Engin derya Gezer Paul A.Cooper Department of Forest Industry Engineering Karadeniz Technical University61080 TrabzonTurkey Faculty of Forestry University of Toronto33 Willcocks St.TorontoON M5S 3B3Canada

Chemical extraction, bioremediation, and electrodialytic processes have been extensively studied for removal of copper, chromium, and arsenic from wood treated with chromated copper arsenate （CCA）. However, one problem has not been addressed： the effects of wood species and retention levels on remediation efficiency. The objectives of this study were to investigate the effects of wood species and retention levels on removal of copper, chromium, and arsenic from CCA-treated wood samples using sodium hypochlorite. Our results showed that sodium hypochlorite （NaOC1） was very effective for removal of copper, chromium, and arsenic from CCA-C treated milled wood samples for all three species used in this study. The Cu, Cr, and As extraction efficiencies for red pine were 95 % Cu, 97 % Cr and 94 % As, for maple were 95 % Cu, 97 % Cr, and 98 % As at 4.0 kg m-3 retention levels, and for aspen were 95 % Cu, 92% Cr, and 91% As at 9.6 kg m-3 retention level, respectively. However, the results showed that wood species and initial retention levels of CCA-treated wood products played very impor- tant roles in terms of removal of Cu, Cr, and As.

关键词： Chromated copper arsenate (CCA) Remediation Remediation efficiency Wood species Retention level

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Robotic radical prostatectomy in high-risk prostate -ancer： current perspectives

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Asian Journal of Andrology 2015年第6期17卷 908-915页

作者： Abdullah Erdem Canda Mevlana derya Balbay Yildirim Beyazit University School of MedicineAnkara Ataturk Training and Research HospitalDepartment of Urolosy Ankara Turkey Memorial Sisli Hospital Department of UrologyIstanbul Turkey.

Around 20%-30% of patients diagnosed with prostate cancer （PCa） still have high-risk PCa disease （HRPC） that requires aggressive treatment. Treatment of HRPC is controversial, and multimodality therapy combining surgery, radiation therapy, and androgen deprivation therapy have been suggested. There has been a trend toward performing radical prostatectomy （RP） in HRPC and currently, robot-assisted laparoscopic RP （RARP） has become the most common approach. Number of publications related to robotic surgery in HRPC is limited in the literature.

关键词： Robotic radical perspectives

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The 14^th International Prostate Forum

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Asian Journal of Andrology 2019年第1期21卷 1-2页

作者： Mevlana derya Balbay Abdullah Erdem Canda Koc.University School of MedicineDepartment of UrologyIstanbu 134365Turkey.

The International Prostate Forum(IPF)originally started with three urology departments in Japan,Turkey,and the United *** forum focused on talks and presentations with discussions covering almost all areas of prostatic diseases,including both benign prostatic conditions and prostate cancer,their diagnosis,imaging,multidisciplinary treatment,and preventive *** meeting has been organized every 2 years in the United States,Japan,and Turkey with new colleagues joining the *** the recent years,the IPF meetings have attracted further attention and were organized with the American Urological Association congress,the Japanese Urological Association of Urology congress,and the Turkish Association of Urology *** 1 summarizes the dates of the meetings,locations,and chairmen.

关键词： International Prostate Forum IPF

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A Two-Level Approach based on Integration of Bagging and Voting for Outlier Detection

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Journal of Data and Information Science 2020年第2期5卷 111-135页

作者： Alican Dogan derya Birant The Graduate School of Natural and Applied Sciences Dokuz Eylul UniversityIzmirTurkey Department of Computer Engineering Dokuz Eylul UniversityIzmirTurkey

Purpose:The main aim of this study is to build a robust novel approach that is able to detect outliers in the datasets *** serve this purpose,a novel approach is introduced to determine the likelihood of an object to be extremely different from the general behavior of the entire ***/methodology/approach:This paper proposes a novel two-level approach based on the integration of bagging and voting techniques for anomaly detection *** proposed approach,named Bagged and Voted Local Outlier Detection(BV-LOF),benefits from the Local Outlier Factor(LOF)as the base algorithm and improves its detection rate by using ensemble ***:Several experiments have been performed on ten benchmark outlier detection datasets to demonstrate the effectiveness of the BV-LOF *** to the results,the BV-LOF approach significantly outperformed LOF on 9 datasets of 10 ones on *** limitations:In the BV-LOF approach,the base algorithm is applied to each subset data multiple times with different neighborhood sizes(k)in each case and with different ensemble sizes(T).In our study,we have chosen k and T value ranges as[1-100];however,these ranges can be changed according to the dataset handled and to the problem *** implications:The proposed method can be applied to the datasets from different domains(***,finance,manufacturing,etc.)without requiring any prior *** the BV-LOF method includes two-level ensemble operations,it may lead to more computational time than single-level ensemble methods;however,this drawback can be overcome by parallelization and by using a proper data structure such as R*-tree or ***/value:The proposed approach(BV-LOF)investigates multiple neighborhood sizes(k),which provides findings of instances with different local densities,and in this way,it provides more likelihood of outlier detection that LOF may *** also brings many benefits such as easy impleme

关键词： Outlier detection Local outlier factor Ensemble learning Bagging Voting

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Albendazole versus metronidazole treatment of adult giardiasis:An open randomized clinical study

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World Journal of Gastroenterology 2004年第8期10卷 1215-1217页

作者： OguzKarabay AliTamer HuseyinGunduz HuseyinArinc HarikaCelebi derya Kayas Infectious Disease and Internal Medicine Department Medical FacultyIzzet Baysal UniverstyGolkoy Kampusu/Bolu/Turkey Internal Medicine Department Duzce Social Security HospitalTurkey

AIM:To investigate the efficacy and tolerability of albendazole and metranidazole treatment in giardiasis. METHODS:The open comparative randomized trial was carried out prospectively from December 1999 to July 2001 in Duzce City of *** diagnosis was based on the presence of signs and symptoms compatible with giardiasis including a positive stool examination of giardia cysts or *** group consisted of 29 patients and was given metranidazole 500 mg,three times a day for 5 d and albendazole group was consisted of 28 patients and was given albendazole 400 mg/d for 5 d. RESULTS:There were no significant differences in demographical and therapeutical effects and patient's compliance between both *** side effects were seen more in metranidazole group than in albendazole group. CONCLUSION:Albendazole is as effective as metranidazole in adults' *** has less side effect potentials than metranidazole in the treatment of giardiasis.

关键词： Adult Albendazole dosage Antiprotozoal Agents Antitrichomonal Agents Comparative Study Female Giardiasis Humans Male Metronidazole Middle Aged Prospective Studies Treatment Outcome

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