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  • ItemOpen Access
    Effects of aerobic exercise on bone-specific alkaline phosphatase and urinary CTX levels in premenopausal women
    (Bayçınar Medical Publishing-Bayçınar Tıbbi Yayıncılık, 2013-12) Alp, Alev; Uludağ Üniversitesi/Tıp Fakültesi/Fizik Tedavi ve Rehabilitasyon Anabilim Dalı.; ABG-2019-2020; 56256023200
    Objective: This study aimed to investigate the effects of moderate-intensity aerobic exercise on bone turnover by urinary cross-linked C-telopeptide of type I collagen (CTX) and serum bone-spesific alkaline phosphatase (BAP) in comparison with a control group. Materials and Methods: 100 premenopausal volunteers from our outpatient unit were randomized into 2 equal groups. The exercise group (n=50) performed the exercise sessions supervised by a physiotherapist for 40 min a day, 5 times a week for a duration of 2 months. The control group (n=50) maintained their sedentary lifestyle for the duration. Urinary CTX and BAP levels in the subjects were measured before and at the end of the intervention. Results: The changes in CTX and BAP from baseline were statistically significant in the exercise group for but not in the control group. When the groups were compared with each other, the exercise group was found to be superior to the control group for the change in CTX. Conclusion: Two months of regular submaximal aerobic exercise decreased bone resorption rate in premenopausal sedentary women
  • Item
    The predictors of remission in major depressive disorder
    (2013) Akkaya, Cengiz; Eker, Salih Saygın; Sarandöl, Aslı; Cangür, Şengül; Kirli, Selçuk; Uludağ Üniversitesi/Tıp Fakültesi/Psikiyatri Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Biyoistatistik Anabilim Dalı.; EKJ-8427-2022; Q-9477-2019; FVU-6404-2022; JHH-9596-2023; CZU-1387-2022; 14061855100; 36341064200; 14020405100; 8604063700; 14019745700
    Background: We aimed to determine the predictors of remission in major depressive disorder (MDD) with antidepressant treatment (AT). Methods: The subjects were recruited from the databases of the previous four studies. 178 patients were separated in to two groups at the final visit regarding remission. The patients were analyzed in terms of sociodemographic and clinical features regardless of their AT. Results: The difference in sociodemographic and clinical features was insignificant between the groups. Remitted patients had lower scores on the Hamilton Depression Rating Scale (HDRS), Montgomery-Asberg Depression Scale, Hamilton Anxiety Rating Scale, and the Clinical Global Impression Scale compared to baseline whereas Social Adaptation Self-evaluation Scale (SASS) scores were higher. To evaluate the impact of basal scores of HDRS and SASS on non remission rates, logistic regression analysis was performed. The analysis result was significant (p<0.001). Valid classification rate was 66% for this model. For this model, the scores of HDRS and SASS at visit 1 are significant risk factors for non-remission (p<0.001). As the value of HDRS increases, the risk of non-remission increases 1.095 fold (Odds ratio 95%, confidence interval: 1.045-1.147), whereas as the value of SASS decreases the risk of non-remission increases 1, 076 fold (Odds ratio 95%, confidence interval: 1.042-1.114). For each patient non-remission possibility can be predicted by "p(non remission)=1/[(1+exp (-0, 093xV1HDRS+0, 075xV1SASS)]" equivalent via this model. Conclusion: The findings of the present study suggest that severe level of depression, anxiety and social maladaptation at baseline are more likely to predict remission.
  • Item
    Learning with peers: An interdisciplinary comparative study of learner interaction and satisfaction on an instructional design course
    (EDAM, 2013-09) Öncü, Semiral; Özdilek, Zehra; Uludağ Üniversitesi/Eğitim Fakültesi/Fen Eğitimi Bölümü.; Uludağ Üniversitesi/Eğitim Fakültesi/Bilgisayar ve Öğretim Teknolojileri Eğitimi.; 0000-0001-8549-094X; AAH-1616-2021; A-5306-2016; 35339476800; 26656970800
    The aim of this study is to examine undergraduate students' satisfaction levels through learning with peers. Specifically, students from two departments were brought into a collective group activity to understand whether they experienced different levels of satisfaction by working with peers from a different department. Data gathered from a sample of 47 Science Education (SE) and 72 Computer Education and Instructional Technology (CEIT) students during the fall 2011 semester. Students overall were highly satisfied. Students of the two departments did not significantly differ from each other in terms of satisfaction. That means they equally enjoyed the activity. There were six themes that were identified that cause satisfaction in this interprofessional work: Performing responsibilities, socialization, cohesion, work habits, learning in general, and professional development. The most prominent theme was cohesion, and it emerged out of mostly positive but also negative student opinions. The least prominent was professional development and it was mainly expressed as a positive theme. It is argued that students do not articulate the scope of the study as much as they can. It is also argued that the nature of the assigned task let them consider the social aspects more than the other aspects.
  • ItemOpen Access
    The first record of pseudoscorpions in honeybee hives in Turkey
    (Scientific Technical Research Council, 2013) Harvey, Mark; Girişgin, Ahmet Onur; Girişgin, Oya; Uludağ Üniversitesi/Veterinerlik Fakültesi/Parazitoloji Bölümü.; Uludağ Üniversitesi/Karacabey Meslek Yüksekokulu.; 0000-0002-0020-2708; 0000-0001-9896-1093; B-5286-2017; JRY-1676-2023; 16030783600; 57221061095
    Three pseudoscorpions identified as Neobisium validum were found in a honeybee hive in Bursa Province of Turkey. They were collected from the bottom of the hive but no relationship between the pseudoscorpions and bees was observed. This case is a first report of pseudoscorpions in a honeybee hive from Turkey.
  • Item
    The effectiveness of embedded teaching through the most-to-least prompting procedure in concept teaching to children with autism within Orff-based music activities
    (EDAM, 2013) Deniz, Jale; Düzkantar, Ayten; Eren, Bilgehan; Uludağ Üniversitesi/Eğitim Fakültesi/Müzik ve Güzel Sanatlar Bölümü.; JWP-0528-2024; 55795155300
    The purpose of this study was to demonstrate the effectiveness of embedded teaching through the most-to-least prompting procedure in concept teaching to children with autism in Orff-based music activities. In this research, being one of the single subject research designs, multiple probe design was used. The generalization effect of the research was assessed in the form of a pre-test and post-test, discussing the organization about interpersonal generalization in different environment. The maintenance of learning was checked by means of the observation sessions applied one, two, and four weeks after the practice was completed. The research was conducted with 3 children with autism between the ages of 3-6 in Nova Special Training and Rehabilitation Center in Istanbul. In research process, full probe, daily probe, teaching, observing and generalizing sessions have been organized. All of the sessions were done by one-to-one teaching method. The data of reliability among the observers and of application reliability were collected. According to research results, it was clear that the embedding teaching through the most-to-least prompting in Orff-based music activities is effective to teach concepts to the chilren with autism. It was understood that the maintenance was kept after the training was completed. It was also clear that the concept which was thought is effective in the generalization of different settings, different people and different materials. Additionally, social validity was verified in research to determine the importance of purposes of research, teaching methods to reach these purposes and research results.
  • ItemOpen Access
    Simultaneous detection of six different groups of antimicrobial drugs in porcine oral fluids using a biochip array-based immunoassay
    (Kafkas Üniversitesi, 2013) Rumbeiha, Wilson K.; Ensley, Steve; Olsen, Chris; Schrunk, Dwayne E.; Oruç, Hasan Hüseyin; Uludağ Üniversitesi/Veterinerlik Fakültesi/Farmakoloji ve Toksikoloji Anabilim Dalı.; 0000-0002-5399-2395; AAI-2212-2021; 55944769400
    The objectives of this study were 1) to determine whether a biochip array-based immunoassay could be used to detect 6 different group antimicrobials in porcine oral fluids collected under experimental conditions; 2) to determine the feasibility of antimicrobial detection in clean versus dirty oral fluid samples; and 3) to determine if the assay could be used to detect chlortetracycline in oral fluids of swine ingesting a routine diet containing chlortetracycline. Biochip array-based immunoassay is currently used for simultaneous detection and quantitation of different group six antimicrobials in milk, urine, meat, honey, and feed. The assay had not been investigated for potential use in oral fluids. Following evaluation of different extraction procedures, a centrifugation method was chosen. Results showed that of the six target drugs, norfloxacin, ceftiofur, florfenicol, streptomycin, tylosin and tetracycline could be detected in both clean and dirty oral fluid samples. However, tetracycline was not well recovered in dirty samples. Chlortetracycline from tetracycline group was detected in all oral fluid samples collected from the field at concentrations ranging from 176.0-698.6 ppb. In conclusion, this assay can detect all target antibacterials from different groups in clean and dirty oral fluid samples with the exception of tetracycline which was not well-recovered from in dirty samples.
  • ItemOpen Access
    A group-decision making and goal programming-based solution approach for the student-project team formation problem
    (Gazi Üniversitesi, 2019) Çavdur, Fatih; Sağlam, Aslı Sebatlı; Küçük, Merve Köse; Bursa Uludağ Üniversitesi/Endüstri Mühendisliği Bölümü; 0000-0001-8054-5606; 0000-0002-9445-6740; 0000-0001-6877-2937; AAG-9471-2021; AAC-2099-2020; AAE-4504-2019; 8419687000; 57191223084; 57191227592
    In this study, an Analytic Hierarchy Process (AHP) and goal programming-based solution approach for the student-project team formation problem is proposed. In the first and second phases of a two-phase goal programming-based approach developed in a recent study of authors, students and advisers are allocated to project teams considering several criteria. The AHP method is used to determine the criteria weights for the goal programming models. Surveys are conducted with students and advisors to determine the criteria weights for each student and advisor. Since the criteria weights are different for different decision makers, a distance-based non-linear (DBNL) mathematical programming model is used to determine a group decision. The proposed approach is implemented on a real-life project-team formation problem. The results are compared with the real-life allocations in terms of the problem criteria considered in the study and it is observed that our approach produces significantly more satisfactory results. Additionally, although it takes a considerable amount of time to perform the allocations in real-life, using the proposed approach, allocations can be performed in a few hours, including the only once-conducted survey time. The presented approach is proposed for a special problem in this study; however, it can be easily adapted to other project-team formation problems.
  • Item
    A study to determine the norms for the trail making test for the age range of 20-49 in Turkey
    (Türkiye Sinir ve Ruh Sağlığı Derneği, 2015) Kurt, Murat; Türkeş, Nevin; Can, Handan; Dikeç, Banu Elmastaş; Uludağ Üniversitesi/Tıp Fakültesi/Nöroloji Anabilim Dalı.; Uludağ Üniversitesi/Fen-Edebiyat Fakültesi/Psikoloji Bölümü.; JIV-7777-2023; AAH-8501-2021; COC-9498-2022; 35886020700; 55371079500; 36165087700
    Objective: The main goal of the study is to determine the normative values of Trail Making Test (TMT) for people between 20-49 years of age; to examine the effect of age, education and sex variables over TMT scores and identify the reliability coefficient of the test. Method: The sample of the study consisted of 133 women and 130 men, 261 voluntary and healthy participants in total. The data of the research was collected according to 3x2x2 factorial experimental design; and the participants were distributed to experimental conditions well balanced in terms of the levels of age, education and sex. TMT A and B form, and Beck Depression Scale (BDS) were applied for the assessment. Results: Seven scores were calculated determining for Turkish normative values; 3x2x2 factorial multivariate variance analysis was applied in order to identify the effect of levels of age, education and sex over TMT scores. According to the results of the analyses, it was found that main effect of education was significant, while the main effects of age and sex variables were not (p<.05). The test-retest reliability coefficients of the TMT changed between .71 and .87. Conclusion: This study indicated that especially the TMT B and subtest scores were affected by the education in the range of 20-49 years of age. Additionally, normative values depending on the means of TMT scores for 20-49 age group were obtained in the study; it was shown that TMT was a reliable assessment tool.
  • Item
    A meta-analysis and an evaluation of trends in obesity prevalence among children and adolescents in Turkey: 1990 through 2015
    (Galenos Publishing House, 2018-03) Alper, Züleyha; Ercan, İlker; Uncu, Yeşim; Uludağ Üniversitesi/Tıp Fakültesi/Aile Hekimliği Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Biyoistatistik Anabilim Dalı.; 0000-0002-8349-9868; 0000-0002-5225-4403; ABE-2261-2020; ABF-2367-2020; D-9597-2016; 8580079400; 6603789069; 8892370600
    Objective: Obesity in childhood and adolescence is one of the most serious public health problems due to a remarkable increase in prevalence in recent years and its close relationship with non-communicable diseases, such as diabetes and hypertension, resulting in increased adult morbidity and mortality. This study aims to quantify the secular trend in different regions of Turkey from 1990 to 2015 by performing a meta-analysis of childhood and adolescent obesity prevalence studies conducted. Methods: Uludag University Library Database was searched for relevant articles published prior to March 2017. The heterogeneity of the studies in the meta-analysis was tested by the I2 statistic and Cochran's Q test. The obesity trend analyses were examined by chi-square trend analysis with respect to five year periods. The statistical significance level was taken as alpha=0.05. Results: A total of 76 papers were initially identified addressing childhood and adolescent obesity in Turkey. Fifty-eight papers were selected for analysis. The prevalence of obesity increased from 0.6% to 7.3% with an 11.6-fold increase between the periods 1990-1995 to 2011-2015. The prevalence of obesity increased in both genders. However, boys were more likely to be obese than girls. Conclusion: Studies on obesity prevalence in the 5-19 age group in Turkey have gained importance, especially in the 2000s. While a remarkable number of prevalence studies, mostly regional, have been conducted between 2005-2011, a gradual decline was observed thereafter. Further national and population-based surveys on prevalence of obesity in children and adolescents are definitely needed in Turkey.
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    Bounds for a new subclass of bi-univalent functions subordinate to the Fibonacci numbers
    (Scientific Technical Research Council Turkey, 2020) Altınkaya, Şahsene; Bursa Uludağ Üniversitesi/Fen-Edebiyat Fakültesi/Matematik.; 0000-0002-7950-8450; AAA-8330-2021; 56543332200
    In this investigation, by using a relation of subordination, we define a new subclass of analytic bi-univalent functions associated with the Fibonacci numbers. Moreover, we survey the bounds of the coefficients for functions in this class.
  • ItemOpen Access
    Methodology of a new inflammatory arthritis registry: TReasure
    (TÜBİTAK, 2018-08-11) Dalkılıç, Hüseyin Ediz; Pehlivan, Yavuz; Coşkun, Belkıs Nihan; Yağız, Burcu; Uludağ Üniversitesi/Tıp Fakültesi/İç Hastalıkları Anabilim Dalı/Ramotoloji Bilim Dalı.; 0000-0003-0298-4157; AAG-8227-2021; AAG-7155-2021; 57203462896; 13205593600; 55646165400; 57203458191
    Background/aim: The TReasure registry, created in 2017, is an observational multicenter cohort that includes inflammatory arthritis patients. This article reviews the methodology and objectives of the TReasure registry established to collect data from rheumatoid arthritis (RA) and spondyloarthritis (SpA) patients. Methodology: Fifteen rheumatology centers in Turkey will contribute data to the TReasure database. The actual proprietor of the database is the Hacettepe Rheumatology Association (HRD) and Hacettepe Financial Enterprises. Pharmaceutical companies that operate in Turkey (in alphabetical or er), Abbvie, Amgen, BMS, Celltrion Healthcare, Novartis, Pfizer, Roche, and UCB, support the TReasure registry. TReasure is a web-based database to which users connect through a URL (https://www.trials-network.org/treasure) with their unique identifier and passwords provided for data entry and access. TReasure records demographic and clinical features, comorbidities, radiology and laboratory results, measures of disease activity, and treatment data. Discussion: TReasure will provide us with various types of data, such as a cross-sectional view of the current nationwide status of the patients currently receiving these treatments, and retrospective data as much as allowed by the participating centers' records. Finally, a high-quality prospective dataset will be built over the ensuing years from patients with a new diagnosis of RA or SpA.
  • ItemOpen Access
    Preperation and antibacterial investigation of polycaprolactone/chitosan nano/micro fibers by using different solvent systems
    (Ege Üniversitesi, 2018-09-05) Çerkez, İdris; Turşucular, Ömer Fırat; Orhan, Mehmet; Aykut, Yakup; Uludağ Üniversitesi/Mühendislik Fakültesi/Tekstil Mühendisliği Bölümü.; 0000-0001-8043-4148; AAG-8034-2021; 57204128119; 35307795300; 55320835000
    Chitosan (CHI) blended polycaprolactone (PCL) nano/micro fibers were prepared with different CHI content via electrospinning procedure. Two different solvents, acetone and formic acid (FA) were used to dissolve and blend the polymers before electrospinning process. Effect of the solvent on the electrospinability of the blend, final nano/micro fiber morphologies, chemical and thermal properties and antibacterial activities were investigated with SEM, FTIR, DSC, and ASTM 2149 01 Standard Dynamic Contact Conditions. The results revealed that chitosan particles were encapsulated in the as-spun PCL fibers with using acetone as the solvent resulted in reduced antibacterial activities Contrarily, when FA is used as the solvent, CHI and PCL were dissolved and blended very well, and enhanced antibacterial activities were obtained from as-spun PCL/CHI nano/micro fibers.
  • ItemOpen Access
    The outcome of antifungal prophylaxis with posaconazole in patients with acute myeloid leukemia: A single-center study
    (Galenos Yayıncılık, 2018-07-26) Özkocaman, Vildan; Özkalemkaş, Fahir; Seyhan, Serdar; Ener, Beyza; Ursavaş, Ahmet; Ersal, Tuba; Kazak, Esra; Demirdöğen, Ezgi; Mıstık, Reşit; Akalın, Halis; Uludağ Üniversitesi/Tıp Fakültesi/İç Hastalıkları Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Tıbbi Mikrobiyoloji Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Göğüs Hastalıkları ve Tüberküloz Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Enfeksiyon Hastalıkları ve Klinik Mikrobiyoloji Anabilim Dalı.; 0000-0002-4803-8206; 0000-0002-7400-9089; AAI-3169-2021; AAG-8459-2021; AAH-1854-2021; AAJ-4354-2021; AAU-8952-2020; AAG-8523-2021; AAH-9812-2021; AAG-8495-2021; 6603145040; 6601912387; 56154853700; 15053025300; 8329319900; 56061031700; 24921238200; 14062849300; 6602564624; 57207553671
    Objective: Invasive fungal infections (IFIs) are a significant cause of morbidity and mortality among neutropenic patients undergoing chemotherapy for acute myeloid leukemia (AML) and stem cell transplantation. The aim of this study was to evaluate the real-life impact of posaconazole prophylaxis. Materials and Methods: Eighty-four adult patients were included with AML under remission induction chemotherapy and posaconazole prophylaxis. The 34 patients in the control group did not receive primary antifungal prophylaxis. The period between June 2006 and January 2009, when antifungal prophylaxis was not administered (control group), was retrospectively compared to the period between December 2010 and May 2012 when primary oral posaconazole prophylaxis was administered in similar conditions (posaconazole group) according to the use of antifungal agents for treatment, breakthrough infections, galactomannan performance, and the necessity for performing bronchoalveolar lavage (BAL) procedures. Results: The two groups were compared according to the use of antifungal agents; progression to a different antifungal agent was found in 34/34 patients (100%) in the control group and in 9/84 patients (11%) in the posaconazole group (p<0.001). There were four breakthrough IFIs (4/84, 4.8%) in the posaconazole group and 34 IFIs in the control group (p<0.001). In addition, 15/34 patients (44%) in the control group required BAL compared to 11/84 patients (13%) in the posaconazole group (p<0.001). Posaconazole treatment was discontinued within 7-14 days in 7/84 patients (8.3%) due to poor oral compliance related to mucositis after chemotherapy. Conclusion: Posaconazole appears to be effective and well-tolerated protection against IFIs for AML patients.
  • ItemOpen Access
    Urothelial carcinoma of the bladder in pediatric patient: Four case series and review of the literature
    (Galenos Yayınevi, 2017-11-09) Uçar, Murat; Demirkaya, Metin; Vuruşkan, Berna Aytaç; Balkan, Emin; Kılıç, Nizamettin; Uludağ Üniversitesi/Tıp Fakültesi/Çocuk Ürolojisi Anabilim Dalı/Çocuk Cerrahisi Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Çocuk Sağlığı ve Hastalıkları Anabilim Dalı/Pediatrik Onkoloji Bilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Patoloji Anabilim Dalı.; 0000-0001-6977-7430; AAI-3656-2021; L-5017-2019; AAH-9746-2021; AAI-2145-2021; 8614664900; 24331130000; 57053559100; 7004109012; 7005266570
    Background: Urothelial carcinoma of the bladder is a rare condition in children, and most cases in this age group are noninvasive and low-grade. However, no follow-up protocol has been defined for this patient group. The objective of this study was to draw attention to bladder tumors in children and focus on the current recommendations for postoperative follow-up along with a case study of four patients. Case Report: Four patients aged <18 years with urothelial carcinoma who were treated in our clinics between 2001 and 2015 were retrospectively evaluated. The results were compared with those of published pediatric case series in the literature. No abnormalities were found in the patients' physical examinations and laboratory analyses, except hematuria (microscopic or macroscopic). Ultrasonography was used in all the patients to detect lesions in the bladder. Surgical resections were performed endoscopically, except in one patient. Histopathological evaluations revealed low-grade superficial urothelial carcinoma. No recurrence or complication was observed for all patients. Conclusion: Although rarely encountered during childhood, urothelial carcinoma should be considered as a differential diagnosis in pediatric patients with hematuria.
  • ItemOpen Access
    Bursa’da iç ve dış mekan hava örneklerinde poliaromatik hidrokarbonların (PAHs) belirlenmesi
    (Gazi Üniversitesi Mühendislik-Mimarlık, 2017-12-27) Esen, Fatma; Kayıkçı, Gizem; Uludağ Üniversitesi/Mühendislik Fakültesi/Çevre Mühendisliği Bölümü.; AAG-8469-2021; 10340657500; 57199398588
    Kalıcı Organik Kirleticiler’den (KOK) olan poliaromatik hidrokarbonların (PAH’lar) bina içi ve dış atmosferik ortamlarda belirlenmesine yönelik çalışmalara olan ilgi gün geçtikçe artmaktadır. Bunun sebebi KOK’ların çevreye özellikle insan sağlığı üzerine olan olumsuz etkilerinin yapılan çalışmalarla ortaya konulmasıdır. Yapılan çalışmada Bursa ili’nde yer alan 12 adet evin iç ortamından (mutfak ve oturulan oda) ve bu evlerden 6 tanesinin aynı zamanda dış ortamından pasif örnekleme metodu ile hava örneği alınarak PAH seviyeleri belirlenmiştir. Örnekleme kapı ve pencerenin açık olduğu yaz mevsimi (18.07.2014- 01.09.2014) ile kapı ve pencerenin kapalı olduğu sonbahar mevsiminde (18.10.2014-01.12.2014) yapılmıştır. Ortalama toplam PAH konsantrasyonları yaz mevsiminde oturma odası ve mutfakta sırası ile 20,3±17,9 ng/m3 ve 22,9±28,0 ng/m3 değerlerini alırken sonbahar mevsiminde 27,2±20,0 ng/m3 ve 21,7±10,5 ng/m3 değerlerini almıştır. Dış ortamda ölçülen ortalama toplam PAH konsantrasyonları ise yaz mevsiminde 10,2±6,0 ng/m3 , sonbahar mevsiminde de 20,5±11,0 ng/m3 değerlerini almıştır. Özellikle sonbahar mevsiminde ısınma amaçlı yakmanın başlaması ile birlikte genellikle kirletici kaynak dış ortam olarak hesaplanmıştır. Yapılan çalışmada oturma odası, mutfak ve dış ortam için mevsimsel olarak tanı oranları hesaplanmış ve düşük molekül ağırlığına sahip toplam PAH türlerinin, yüksek molekül ağırlığına sahip toplam PAH türlerine oranı 1’in üzerinde çıkmıştır. Bu sonuç PAH’ların kaynağının petrol, yani trafik olduğunu ortaya koymuştur.
  • ItemOpen Access
    Modules whose p-submodules are direct summands
    (TÜBİTAK, 2017-03-03) Kara, Yeliz; Uludağ Üniversitesi/Fen-Edebiyat Fakültesi/Matematik Bölümü.; 0000-0002-8001-6082; AAG-8304-2021; 57190752833
    In this article we deal with modules with the property that all p-submodules are direct summands. In contrast to CLS-modules, it is shown that the former property is closed under finite direct sums, but it is not inherited by direct summands. Hence we focus on when the direct summands of aforementioned modules enjoy the property. Moreover, we characterize the forenamed class of modules in terms of lifting homomorphisms.
  • ItemOpen Access
    Complete penile duplication with structurally normal penises: A case report
    (Galenos Yayınevi, 2018-03-23) Akgül, Ahsen Karagözlü; Uçar, Murat; Çelik, Fatih; Kırıştıoğlu, İrfan; Kılıç, Nizamettin; Uludağ Üniversitesi/Tıp Fakültesi/Çocuk Cerrahisi Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Çocuk Cerrahisi Anabilim Dalı/Çocuk Ürolojisi Bilim Dalı.; AAI-3665-2021; AAI-4220-2021; AAI-3656-2021; 41561004400; 21645753900; 7005266570
    Background: Diphallia is a very rare anomaly and seen once in every 5.5 million live births, True diphallia with normal penile structures is extremely rare. Surgical management for patients with complete penile duplication without any penile or urethral pathology is challenging. Case Report; A 4-year-old boy presented with diphallia. Initial physical examination revealed first physical examination revealed complete penile duplication, urine flow from both penises, meconium flow from right urethra, and anal atresia. Further evaluations showed double colon and rectum, double bladder, and large recto-vesical fistula. Two cavernous bodies and one spongious body were detected in each penile body. Surgical treatment plan consisted of right total penectomy and end-to-side urethra-urethrostomy. No postoperative complications and no voiding dysfunction were detected during the 18 months follow-up. Conclusion: Penile duplication is a rare anomaly, which presents differently in each patient. Because of this, the treatment should be individualized and end-to-side urethra-urethrostomy may be an alternative to removing posterior urethra. This approach eliminates the risk of damaging prostate gland and sphincter.
  • ItemOpen Access
    Investigation of an object follower system
    (TÜBİTAK, 2014-08-13) Topçu, Elif Erzan; Demirkesen, Ahmet; Yüksel, İbrahim; Uludağ Üniversitesi/Mühendislik Fakültesi/Makine Mühendisliği Bölümü.; Uludağ Üniversitesi/Fen Bilimleri Enstitüsü.; 0000-0002-6115-3110; AAH-8319-2021; EUR-5474-2022; FZQ-5152-2022; 56442738300; 57189698069; 57193882270
    In this work, an example of a mechatronic system that involves all elements of model-based design, called an object follower system, has been developed. This system is a servo system that is able to recognize within its field of view an object that has a certain color and space, and it is able to control the camera's point of view to center the object through the view itself. With the help of the model-based design to control the system design embedded algorithms have been developed for this system and used in a simulation environment and experimental space. Various PID control techniques are applied to the system to control the speed and position of the movement subsystem. The performance of the object follower system has been tested.
  • ItemOpen Access
    Load dependency of left ventricular diastolic dysfunction parameters REPLY
    (Galenos Yayıncılık, 2016-03) Sağ, Saim; Yıldız, Abdülmecit; Yeşilbursa, Dilek; Uludağ Üniversitesi/Tıp Fakültesi/Kardiyoloji Anabilim Dalı.; Uludağ Üniversitesi/Tıp Fakültesi/Nefroloji Anabilim Dalı.; AAW-9185-2020; HIG-9032-2022; EHA-0046-2022; 12140008100; 56256977500; 36658194500
  • ItemOpen Access
    Kapalı döngü bir ısı pompalı kurutma sisteminin performans analizi
    (Türk Isı Bilimi ve Tekniği Derneği, 2016-03-04) Tunçkal, Cüneyt; Erdoğan, Seçil; Coşkun, Salih; Uludağ Üniversitesi/Teknik Bilimler Meslek Yüksekokulu/İklimlendirme ve Soğutma Teknolojisi Programı.; CMA-0559-2022
    Kurutma işlemlerinde kapalı döngü ısı pompalı kurutma (IPK) sistemlerinin tercih sebebi, kurutma odasındanatılan sıcak ve nemli kurutma havasının duyulur ve gizli ısısını geri kazandırmasıdır. Bu çalışmada kapalı döngü birIPK sistemi yardımıyla 40°C kurutma odası sıcaklığında dört farklı tarımsal ürün kurutulmuştur. Literatürde mevcutsistemlerden farklı olarak tasarlanan bu sistemde kurutma odası sıcaklığı, mevcut iç yoğuşturucuya seri olarakbağlanmış bir dış yoğuşturucunun devreye sokulması suretiyle kontrol edilmiştir. Ayrıca IPK sisteminin ortalamaperformans katsayısı (ITK), dış yoğuşturucunun devreye girme oranları (DGO) dikkate alınarak hesaplanmıştır.Deneyler, aynı miktarda ve herhangi bir ön işleme maruz bırakılmadan 5 mm kalınlığında dilimlenmiş muz, kivi,elma ve kavun numuneleri üzerinde 1 m/s kurutma hava hızında gerçekleştirilmiştir. Çalışma sonunda en yüksekortalama ÖNÇO (Özgül nem çekme oranı) değeri kavun için (0.323 kg/kWh), en düşük ÖNÇO değeri ise muz için(0.232 kg/kWh) elde edilmiştir. Tüm sistem için en yüksek ortalama ısı pompası performans katsayısı (ITKSİS) değerikivi için 2.75 olarak hesaplanırken en düşük muz için 2.49 olarak hesaplanmıştır.