18 results on '"Demirci, Mehmet Ali"'
Search Results
2. Cerebrolysin provides effective protection on high glucose-induced neuropathy in cultured rat dorsal root ganglion neurons
- Author
-
Yazar, Ugur, primary, Guvercin, Ali Rıza, additional, Rouhikia, Mahindokht, additional, Aktoklu, Mehmet, additional, Demirci, Mehmet Ali, additional, Erbay, Ibrahim, additional, and Ayar, Ahmet, additional
- Published
- 2023
- Full Text
- View/download PDF
3. Sclerostin and TNF-related weak inducer of apoptosis: can they be important in the patients with glomerulonephritis?
- Author
-
Ozer, Hakan, Baloglu, İsmail, Aykut, Talat, Demirci, Mehmet Ali, Aydemir, Fatma Humeyra Yerlikaya, and Turkmen, Kultigin
- Subjects
Pulse wave velocity ,Proteinuria ,Glomerulonephritis ,Vascular stiffness - Abstract
SUMMARY OBJECTIVE: Sclerostin is a protein produced by osteocytes, kidneys, and vascular cells and has many effects on kidney and vascular structures. Soluble TNF-related weak inducer of apoptosis is a proinflammatory cytokine that may cause glomerular and tubular injury and increase sclerostin expression. This study aimed to investigate serum sclerostin and soluble TNF-related weak inducer of apoptosis levels in patients with glomerulonephritis and the effects they may be associated with. METHODS: This cross-sectional study included 93 patients, 63 of whom were glomerulonephritis and 30 were healthy controls. Serum sclerostin, soluble TNF-related weak inducer of apoptosis, and 24-h urinary protein excretion were measured, and pulse wave velocity was calculated for arterial stiffness. RESULTS: Serum sclerostin and soluble TNF-related weak inducer of apoptosis were higher in glomerulonephritis patients than in the control group, and serum sclerostin and soluble TNF-related weak inducer of apoptosis levels were correlated with both proteinuria and pulse wave velocity. In addition, in the regression analysis, serum sclerostin and soluble TNF-related weak inducer of apoptosis levels were found to be independent predictors of proteinuria in patients with glomerulonephritis. CONCLUSION: This is the first study to show that serum sclerostin and soluble TNF-related weak inducer of apoptosis are elevated in glomerulonephritis patients, and these two markers correlate with arterial stiffness and proteinuria in these patients. Considering the effects of sclerostin and soluble TNF-related weak inducer of apoptosis in patients with glomerulonephritis, we think these mechanisms will be the target of both diagnosis and new therapies.
- Published
- 2023
4. ANKYLOSING SPONDYLITIS COEXISTING WITH TAKAYASU'S ARTERITIS IN A FEMALE PATIENT: A RARE ENTITY.
- Author
-
Demirci, Mehmet Ali and Turgut, Bekir
- Subjects
THERAPEUTIC use of folic acid ,ANKYLOSING spondylitis ,ANTI-inflammatory agents ,KNEE pain ,PHYSICAL diagnosis ,CAROTID artery ,RARE diseases ,METHOTREXATE ,BLOOD vessels ,COMPUTED tomography ,FOLIC acid ,PREDNISOLONE ,HEEL pain ,CANKER sores ,MAGNETIC resonance imaging ,COLOR Doppler ultrasonography ,CAROTID artery stenosis ,INJECTIONS ,PAIN ,ADALIMUMAB ,TAKAYASU arteritis ,INFLIXIMAB ,MESENTERIC artery - Abstract
Ankylosing spondylitis (AS) is a chronic inflammatory disease that mainly affects the sacroiliac joints, spine, and enthesis. Typical symptoms include stiffness and gradual functional restriction of the axial skeleton. Takayasu's arteritis (TA) is a condition characterized by chronic inflammation of blood vessels, usually affecting major vessels like the aorta and its branches. It leads to constriction, obstruction, and the development of aneurysms in the systemic and pulmonary arteries. Both AS and TA are rare inflammatory conditions, and their occurrence together in one person is even rarer. Autoimmune mechanisms are likely to have a substantial impact on the onset of TA, similar to AS. Hence, therapy involving steroids and biological medications like infliximab and tocilizumab is expected to be advantageous. In this case report, we present a 24-year-old female diagnosed with TA and AS. [ABSTRACT FROM AUTHOR]
- Published
- 2024
- Full Text
- View/download PDF
5. Nanoteknoloji ve Organik Kimya
- Author
-
Yiğit, Aybek; Iğdır Üniversitesi, Keşkek Karabulut, Yasemin; Kırklareli Üniversitesi, Turhan, Zeynep Şilan; Iğdır Üniversitesi, Karakoyun, Necdet; Van Yüzüncü Yıl Üniversitesi, Yıldız, Gönül; Kütahya Dumlupınar Üniversitesi, Kasımoğulları, Rahmi; Kütahya Dumlupınar Üniversitesi, Biçer, Abdullah; Bilecik Şeyh Edebali Üniversitesi, Demirel, Nazlı, Demirci, Mehmet Ali; Iğdır Üniversitesi, Bozbeyoğlu, Pınar; Gümüşhane Üniversitesi, Keçeci, Pelin; Milli Eğitim Bakanlığı, Çeliközlü, Saadet; Kütahya Dumlupınar Üniversitesi, Dilek, Gülay; Zonguldak Bülent Ecevit Üniversitesi, Yiğit, Aybek; Iğdır Üniversitesi, Keşkek Karabulut, Yasemin; Kırklareli Üniversitesi, Turhan, Zeynep Şilan; Iğdır Üniversitesi, Karakoyun, Necdet; Van Yüzüncü Yıl Üniversitesi, Yıldız, Gönül; Kütahya Dumlupınar Üniversitesi, Kasımoğulları, Rahmi; Kütahya Dumlupınar Üniversitesi, Biçer, Abdullah; Bilecik Şeyh Edebali Üniversitesi, Demirel, Nazlı, Demirci, Mehmet Ali; Iğdır Üniversitesi, Bozbeyoğlu, Pınar; Gümüşhane Üniversitesi, Keçeci, Pelin; Milli Eğitim Bakanlığı, Çeliközlü, Saadet; Kütahya Dumlupınar Üniversitesi, and Dilek, Gülay; Zonguldak Bülent Ecevit Üniversitesi
- Abstract
Kitap özgün kaynaklardan alınan bilgiler ve referanslar ışığında oluşturulmuştur. Güvenilir veri ve bilgilerin yer alması için azami gayret gösterilmiştir. ‘Nanoteknoloji ve Organik Kimya' başlıklı kitabın hazırlanmasındaki temel amaç nano teknoloji ve organik kimyadaki güncel bilgileri veya araştırma bulgularını bir araya getirmektir. Kitapta sunulan bölümler daha sonra yapılması planlanan çalışmalara kaynak oluşturacak, yeni araştırma ve fikirlere olanak sağlayacağı kanaati taşımaktayız. Farklı bilim insanlarını bir araya getiren bu kitap, başta lisans öğrencileri olmak üzere akademisyenlerin ve araştırmacıların çalışmalarına önemli katkılar sağlayacaktır. Kitabın hazırlanmasında emeği geçen tüm bölüm yazarlarına ve kitabın okurlarıyla buluşturulmasına olanak sağlayan Özgür Yayınları'nın tüm bireylerine teşekkür ediyorum., The book was created in the light of information and references taken from original sources. Maximum effort has been made to include reliable data and information. The main purpose of preparing the book titled 'Nanotechnology and Organic Chemistry' is to bring together current information or research findings in nanotechnology and organic chemistry. We believe that the chapters presented in the book will provide resources for future studies and will enable new research and ideas. This book, which brings together different scientists, will make significant contributions to the work of academics and researchers, especially undergraduate students. I would like to thank all the chapter authors who contributed to the preparation of the book and all individuals of Özgür Publishing who made it possible to bring the book to its readers.
- Published
- 2023
6. Sclerostin and TNF-related weak inducer of apoptosis: can they be important in the patients with glomerulonephritis?
- Author
-
Ozer, Hakan, primary, Baloglu, İsmail, additional, Aykut, Talat, additional, Demirci, Mehmet Ali, additional, Aydemir, Fatma Humeyra Yerlikaya, additional, and Turkmen, Kultigin, additional
- Published
- 2023
- Full Text
- View/download PDF
7. THE EFFECT OF BOILING TIME ON THE ANTIOXIDANT ACTIVITY OF THE VARIOUS EXTRACTS FROM ORIGANUM ACUTIDENS
- Author
-
Demirci, Mehmet Ali, BEHÇET, LÜTFİ, DEMİRTAŞ, İBRAHİM, and ÖKE ALTUNTAŞ, FEYZA
- Published
- 2017
8. Extraction, isolation of heat-resistance phenolic compounds, antioxidant properties, characterization and purification of 5-hydroxymaltol from Turkish apple pulps
- Author
-
Demirci, Mehmet Ali, primary, Ipek, Yaşar, additional, Gul, Fatih, additional, Ozen, Tevfik, additional, and Demirtas, Ibrahim, additional
- Published
- 2018
- Full Text
- View/download PDF
9. Phytochemical Screening, Antiproliferative and Antioxidant Properties of Various Extracts from Endemic Origanum acutidens
- Author
-
Oke-Altuntas, Feyza, primary, Demirci, Mehmet Ali, additional, Demirtas, Ibrahim, additional, Yaglioglu, Ayse Sahin, additional, and Behcet, Lutfi, additional
- Published
- 2018
- Full Text
- View/download PDF
10. Meyve suyu endüstrisinde yan ürün olan meyve posalarından değerli kimyasalların izolasyonu ve aktivite çalışmaları
- Author
-
Demirci, Mehmet Ali, Demirtaş, İbrahim, and Kimya Anabilim Dalı
- Subjects
Chemistry ,Kimya - Abstract
Bu çalışma atıl durumdaki meyve posalarında (elma ve mandalina) var olan değerli kimyasal bileşenleri kromatografik yöntemler ile (kolon kromatografisi, İTK vb.) izole etmek, spektroskopik yöntemler ile kimyasal yapılarını tayin etmek ve antioksidan kapasitesini incelemek amacı ile yapılmıştır. Bu kapsamda atıl durumdaki meyve posaları Tokat DİMES fabrikasından temin edildi. Meyve posaları oda şartlarında kurutuldu. Meyve posalarına saf su ilave edildi ve 2 saat kaynatıldı. Elde edilen su fazları sırasıyla Etil asetat ve n-bütanol organik çözücüleri ile ekstraksiyona tabi tutuldu. Elde edilen ekstraktlardan kromatografik yöntemlerle 6 adet kimyasal bileşen saflaştırıldı. Bu doğal bileşiklerin yapıları spektroskopik metodlarla (HPLC-TOF/MS, NMR) belirlenerek 5-hidroksi maltol, protokateşik asit, Kuersetin, gallik asit, gentisik asit ve kojik asit oldukları belirlendi. Elma posasının etil asetat ve n-bütanol ekstreleri ile elma posasından izole edilen 5-hidroksi maltol bileşiğine ait antioksidan aktiviteleri belirlendi. Elma posasının etil asetat ekstresinden elde edilen kojik asit bileşiğinin HeLa hücre hatlarına karşı antiproliferatif aktivite çalışmaları yapıldı. This study was carried out with the aim of isolating precious chemical components present in fruit pulps (apple and tangerine) by chromatographic methods (column chromatography, TLC etc.), determining their chemical structures by spectroscopic methods and examining the antioxidant capacity. In this context, fruit pulps were obtained from Tokat DİMES, factory. The fruit pulps were dried in room conditions. Destilated water was added to the fruit pulps and boiled for 2 hours. The resulting water phases were subjected to extraction with ethyl acetate and n-butanol organic solvents, respectively. From the obtained extracts. 6 chemical components were purified by chromatografic methods. These natural compounds were identified by the spectroscopic methods (HPLC-TOF/MS, NMR) to be 5-hydroxy maltol, protocatechic acid, quercetin, gallic acid, gentisic acid and kojic acid. The antioxidant activities of apple pulp extracted with ethyl acetate and n-buthanol as well as the isolated 5-hydroxy maltol compound was determined. The antiproliferative activity of the isolated kojic acid obtained from ethyl acetate extract of apple pulp were investigated against the HeLa cell lines. 92
- Published
- 2017
11. Hastanemizde mavi kod çağrılarının nedenleri ve doğruluğu
- Author
-
Demirci, Mehmet Ali, Fırat, Aynur, and Anesteziyoloji Anabilim Dalı
- Subjects
Anestezi ve Reanimasyon ,Hastaneler ,Anesthesiology and Reanimation ,Hospitals - Abstract
Mavi Kod tüm dünyada ve Türkiye'de büyük hastanelerin, öngörülebilecek ya da öngörülmesi mümkün olmayan acil kardiyak arrest olayları için dizayn edilmiştir. Doğru zamanda, uygun hastaya, doğru müdahale, iyi bir organizasyon ve eğitim işidir. Son dönemdeki resüsitasyon geliştirme çabaları pre-arrest döneme bu sebeple daha çok ağırlık vermektedir. Bu çalışmanın primer amacı Mavi Kod anonsu verilen hastalarda kod anonsu verme nedenlerini ve doğruluğunu değerlendirmektir. İkincil amacı ise kardiyopulmoner arrestlere Mavi Kod hızlı cevap ekibi ile gerçekleştirilen müdahalelerin mortalitesini değerlendirmek, müdahale sonrası yoğun bakımda kalış, taburculuk ve eksitus oranlarının tespitidir.Başkent Üniversitesi Klinik Araştırma ve Etik Kurulu onayı (KA 14/267 no'lu proje) ile Mavi Kod anonsu verilmiş 761 hasta çalışmaya dahil edildi. Çalışma retrospektif düzende hazırlandı. Hastaların genel demografik verilerine baktığımızda yaş ortalamasının 65,14±20,42 olduğu, yaş dağılımında en küçük hastanın 1 en büyük hastanın 100 yaşında olduğu görüldü. Hastaların 421'I erkek 340'ı kadın olarak kayda alındı. Hastalar KPR formlarındaki doğru ya da yanlış anons bölümündeki kayıtları doğrultusunda doğru Mavi Kod anonsu verilenler (n=691) ve yanlış Mavi Kod anonsu verilenler (n=70) olarak iki gruba ayrıldı. Yanlış kod oranı % 9,2 olarak bulundu. Her iki grubun demografik verilerinde doğru kod anonsu verilen grubun yaş ortalaması 65,8±20,5 bulunurken, yanlış kod anonsu verilen grubun yaş ortalaması 58,6±18,8 bulunmuştur ve bu fark p=0,005 değeri ile istatistiki olarak anlamlıdır. Hastaneye başvurma nedenleri incelendiğinde, çoğunluğunu KBY hastalarının oluşturduğu Genitoüriner sistem hastalıkları sebebiyle yatmakta olan hastalar ve malignite nedeniyle takip edilen hastalarda, yanlış kod , doğru koda oranla yüksek bulundu. Çalışmamızda yanlış kod anonsu oranı %9,2 (n=70) olarak tespit edildi. Acil servise başvuran hastalar arasında, doğru kod anonsu verilme nedeni olarak en yüksek rakam bilinç kaybı ile başvurmuş hastaların kaydında görüldü.Nöbet geçiren hastalara içinde doğru anons kabul edilen hasta sayısı 21 iken, yanlış anons kabul edilen hasta sayısı 11 olarak görüldü. Bu sayı kod anonsu verme nedenleri arasındaki en yüksek yanlış kod anonsu verme oranı olarak kayda alındı. Tüm yanlış kodlara bakıldığında, rakamsal olarak senkop ve bilinç durum değişikliği, ilk iki sırada yer aldı. Müdahale sonunda eksitus olan hasta oranı %27,5 (n=209) olarak kayda alındı. Yoğun bakıma kabul sonrası eksitus olma oranı %69,5 (n=306) olarak kaydedildi. Yoğun bakım sonrası taburculuğu sağlanabilmiş hasta oranı ise %29,3 (n=129) bulundu.Sonuç olarak Mavi Kod verme nedenleri arasında çoklu kronik hastalık grubu, doğru kod anonslarının çoğunluğunu oluşturmaktadır. Üniversite Hastanesi olarak kritik hasta popülasyonumuzun yüksek olması nedeniyle bu sonuç beklenen bir neticedir. Malignite ile izlenen hastalar ve yakınlarının anksiyeteleri nedeniyle olabilecek yüksek yanlış kod oranı gözlemlendi. Nöbet geçiren hastalarda stabil olarak takip edilen hastalara da kod veriliyor olması, yüksek yanlış kod oranına sahip olma nedeni olarak tespit edildi. KPR formu düzenlenmesi ve doldurulması açısından eğitim hemşireliğinin düzenli eğitimler planlaması ve daha ileri çalışmalar için daha doğru dökümantasyon sağlanması gerekliliği vurgulandı. Code Blue is designed for emergency cardiac arrest events of the big hospitals in Turkey and all over the world, which will be predicted or are impossible to predict. It is a combination of a correct intervention to the correct patient at a correct time, a good organization and training. Recent resuscitation development attempts concentrate on pre-arrest period for this reason. The primary object of the study is to evaluate the reasons and the accuracy of the reason of a code announcement for the patients for whom Code Blue is called. The secondary object is to evaluate the mortality of the interventions performed by Code Blue quick response team to cardiopulmonary arrests and to detect the ratio for staying in the intensive care unit after intervention, releasing from the hospital and exitus.761 patients who were called for Code Blue were enrolled in the study with an approval of Başkent University Clinical Research and Ethics Committee (the project with no. KA 14/267). The study was prepared retrospectively. When general demographic data of the patients were examined it was seen that mean age was 65,14±20,42 and age of the youngest patient was 1 year whereas age of the oldest patient was 100 years in age distribution. It was recorded that 421 of patients were male whereas 340 of patients were female.The patients were divided into two groups as those who were called for the correct Code Blue announcement (n=691) and those who were called for the wrong Code Blue announcement (n=70) according to their records in correct or wrong announcement sections of KPR forms. Wrong code ratio was found to be 9,2%.In the demographic data of both groups, mean age of the group for whom a correct code announcement was made was found to be 65,8±20,5 whereas mean age of the group for whom a wrong code announcement was made was found to be 58,6±18,8, and this difference was statistically significant with a p value of 0,005.When the reason for applying to the hospital was investigated the wrong code was found higher compared to the correct code in the patients hospitalized due to genitourinary system diseases, most of which was CDF patients and in the patients followed-up due to malignancy. Among the patients applied to emergency service, the highest number as a reson for correct code announcement was seen in the records of the patients who presented with loss of consciousness to the emergency department. It was seen that number of patients considered as the correct announcement was 21 whereas number of patients considered as wrong announcement was 11. This number was recorded as the highest wrong announcement ratio among the reasons of code announcements. When all the wrong codes were evaluated, syncope and changes in the state of consciousness was in the first two places numerically. In our study, ratio of wrong code announcement was found to be 9,2% (n=70). Ratio of the patients who died at the end of the intervention was recorded as 27,5% (n=209). Death rate after acceptance in intensive care unit was recorded as 69,5% (n=306). Ratio of the patients who were released from the hospital was found to be 29,3% (n=129).In conclusion, the group of the patients with multiple chronic diseases represent the majority of correct code announcements among the reasons of Code Blue announcements. This result is an expected outcome as our critical patient population is high as a University Hospital. A high rate of wrong code was observed due to anxieties of the patients who were followed-up for malignancy and their relatives. The fact that code was also called for the patients who were stably followed-up in the patients having seizures was detected as the cause of high wrong code ratio. It is emphasized that nurse administration should organize regular training programs for preparing and filling CPR forms and more accurate documentation should be provided for further studies. 53
- Published
- 2016
12. PHYTOCHEMICAL SCREENING ANTIPROLIFERATIVE AND ANTIOXIDANT POTENTIALS OF ORIGANUM ACUTIDENS
- Author
-
ŞAHİN YAĞLIOĞLU, AYŞE, ÖKE ALTUNTAŞ, FEYZA, Demirci, Mehmet Ali, and DEMİRTAŞ, İBRAHİM
- Published
- 2015
13. Phytochemical screening, anticancer and antioxidant activities of Origanum vulgare L. ssp viride (Boiss.) Hayek, a plant of traditional usage
- Author
-
Koldas, Serkan, Demirtas, Ibrahim, Ozen, Tevfik, Demirci, Mehmet Ali, Behcet, Lutfi, and Ondokuz Mayıs Üniversitesi
- Subjects
antioxidant ,Origanum vulgare ssp ,viride ,Origanum acutidens ,antiproliferative ,phenolics - Abstract
Koldas, Serkan/0000-0002-7917-4008; OZEN, Tevfik/0000-0003-0133-5630; demirtas, ibrahim/0000-0001-8946-647X WOS: 000349396000018 PubMed: 25200133 BACKGROUNDA detailed phytochemical analysis of Origanum vulgare L. ssp. viride (Boiss.) Hayek was carried out and the antioxidant activities of five different crude extracts were determined. The antiproliferative activities of the extracts were determined using the xCELLigence system (Real Time Cell Analyzer). RESULTSDifferences between the essential oil and volatile organic compound profiles of the plant were shown. The main component of the essential oil was caryophyllene oxide, while the main volatile organic compounds were sabinene and eucalyptol as determined by HS-GC/MS. Phenolic contents of the extracts were determined qualitatively and quantitatively by HPLC/TOF-MS. Ten phenolic compounds were found in the extracts from O. vulgare and Origanum acutidens: rosmarinic acid (in highest abundance), chicoric acid, caffeic acid, p-coumaric acid, gallic acid, quercetin, apigenin-7-glucoside, kaempferol, naringenin and 4-hydroxybenzaldehyde. CONCLUSIONThis study provides first results on the antiproliferative and antioxidant properties and detailed phytochemical screening of O. vulgare ssp. viride (Boiss.) Hayek. (c) 2014 Society of Chemical Industry Cankiri Karatekin University, TurkeyCankiri Karatekin University [BAP 2010/03]; Prime Ministry State Planning Organization [DPT2010K120720] This study was funded by Scientific Research Projects, Cankiri Karatekin University, Turkey (BAP 2010/03) and Prime Ministry State Planning Organization (DPT2010K120720). We also thank Prof. Dr Hamdi Guray Kutbay (Ondokuz Mayis University) for his help in identification of the plant material and Dr Omer Cem Karakoc (Cankiri Karatekin University) for his help with statistical analyses.
- Published
- 2015
14. Stressful manager behavior of secondary school teachers in sectoremployees
- Author
-
Demirci, Mehmet Ali and Türkay Nuri Tok
- Subjects
Stres ,Manager Behavior ,Teacherresponses ,Stress ,Ortaokul ,Yönetici Davranışlar ,Middleschool ,Öğretmen Tepkileri - Abstract
Bu araştırmada, resmi ortaokullarda görev yapan branş öğretmenlerinde stres yaratan yönetici davranışları araştırılmıştır. Araştırma, stres yaratan yönetici davranışlarından etkilenme durumlarını ortaya çıkararak, çözümü noktasında öneriler sunmayı, böylece eğitim sisteminin daha etkili ve verimli hale getirilebilmesine katkı sağlamayı amaçlamıştır.Araştırma “tarama modeli” ile yapılmıştır. 2013-2014 eğitim-öğretim yılında Denizli ili Merkezefendi ilçesindeki kamu ortaokullarında görev yapan 302 branş öğretmenine anket uygulanmıştır. Ortaokullarda çalışan öğretmenler üzerinde stres yaratan yönetici davranışlarının araştırılmasında SPSS21.0 paket programından yararlanılmıştır. Verilerinçözümlenmesinde frekans, yüzde, aritmetik ortalama, standart sapma, öğretmenlerin cinsiyetine, yaşına, branşına, mesleki kıdemine göre stres yaratan yönetici davranışları arasında farklılık olup olmadığının sınanması için Kolmogorov-Smırnov, Whitney U Testi ve Kruskal Wallis H-Testi analiz yöntemleri kullanılmıştır. Okul yöneticilerinin öğretmenlerde stres oluşturan davranışların toplam düzeyini gösteren ölçeğe ilişkin betimsel istatistikler incelendiğinde ölçeğin tamamında ortalama (x=3,19) sonucu ile yönetici davranışlarının öğretmenler üzerinde orta düzeyde stres yarattığı görülmektedir. Ayrıca okul yöneticilerinin hakkını aramayan öğretmenlerin, haklarını koruma konusunda hassas davranmadıkları sonucuna ulaşılmaktadır. Öğretmenlerin stres yaşamamaları için; yöneticilerin eşit, adil, anlayışlı, destek veren ve takdir eden davranışlar sergilemeleri gerekmektedir. This research has investigated the behavior of managers working in stressful teacher in these condarybranch. Research revealing the behavior submit proposals for the solution of the point, the direct or saffected by stressful situations, and seek stocontribute so that the education system can be made more effective and efficient. Research "screening model" is made. 2013-2014 academicyear, thesurvey of 302 public secondary school teachers who work in branches in Denizli Merkezefendi district has been applied. The investigation of administrative behavior creates stress on teachers working in secondary schools were used SPSS 21.0 software package. Frequency to analyzethe data, percentage, mean, standard deviation, teachers, sex, age, branch of according to seniority to test whe ther the differences between manager behaviors stressful Kolmogorov-Smirnov, Whitney U test and Kruskal-Wallis H-Test analysis methods were used. School administrators in all descriptive statistics were examined for the scale when the scales hows the total average level of behavior creates stress in teachers (x = 3.19) seems to put stress on the results of them id-level manager behavior with teachers. In addition to searching for the right of school administrators teachers are concluded not e have sensitive about protecting their rights. To suffer the stress of teachers; Administrators equal, fair, in sightful, must demon strate the behaviors that support and recognition.
- Published
- 2015
15. Evaluation of the relationship between proton magnetic resonance spectroscopy parameters and surgical outcomes in shunted patients with Idiopathic Normal Pressure Hydrocephalus
- Author
-
Demirci, Mehmet Ali and Guvercin, Ali Riza
- Published
- 2024
- Full Text
- View/download PDF
16. Investigation of Therapeutic Effect of Bevacizumab on Rat Trigeminal Nerve Cells as an In vitro Model of Trigeminal Neuralgia
- Author
-
Kirimli, Kaan, Demirci, Mehmet Ali, Yazar, Ugur, Ayar, Ahmet, and Guvercin, Ali Riza
- Published
- 2024
- Full Text
- View/download PDF
17. Phytochemical screening, anticancer and antioxidant activities ofOriganum vulgareL. ssp.viride(Boiss.) Hayek, a plant of traditional usage
- Author
-
Koldaş, Serkan, primary, Demirtas, Ibrahim, additional, Ozen, Tevfik, additional, Demirci, Mehmet Ali, additional, and Behçet, Lütfi, additional
- Published
- 2014
- Full Text
- View/download PDF
18. Phytochemical screening, anticancer and antioxidant activities of Origanum vulgare L. ssp. viride (Boiss.) Hayek, a plant of traditional usage.
- Author
-
Koldaş S, Demirtas I, Ozen T, Demirci MA, and Behçet L
- Subjects
- Antineoplastic Agents, Phytogenic analysis, Antineoplastic Agents, Phytogenic chemistry, Antineoplastic Agents, Phytogenic pharmacology, Antioxidants analysis, Antioxidants chemistry, Antioxidants pharmacology, Bicyclic Monoterpenes, Cell Proliferation drug effects, Cyclohexanols analysis, Cyclohexanols chemistry, Cyclohexanols isolation & purification, Cyclohexanols pharmacology, Ethnopharmacology, Eucalyptol, Flowers chemistry, Flowers growth & development, HeLa Cells, Humans, Medicine, Traditional, Molecular Structure, Monoterpenes analysis, Monoterpenes chemistry, Monoterpenes isolation & purification, Monoterpenes pharmacology, Oils, Volatile chemistry, Oils, Volatile pharmacology, Origanum growth & development, Phenols analysis, Phenols chemistry, Phenols isolation & purification, Phenols pharmacology, Plant Components, Aerial growth & development, Plant Extracts chemistry, Plant Extracts pharmacology, Polycyclic Sesquiterpenes, Sesquiterpenes analysis, Sesquiterpenes chemistry, Sesquiterpenes isolation & purification, Sesquiterpenes pharmacology, Turkey, Volatile Organic Compounds analysis, Volatile Organic Compounds isolation & purification, Volatile Organic Compounds pharmacology, Antineoplastic Agents, Phytogenic isolation & purification, Antioxidants isolation & purification, Drug Discovery, Oils, Volatile isolation & purification, Origanum chemistry, Plant Components, Aerial chemistry, Plant Extracts isolation & purification
- Abstract
Background: A detailed phytochemical analysis of Origanum vulgare L. ssp. viride (Boiss.) Hayek was carried out and the antioxidant activities of five different crude extracts were determined. The antiproliferative activities of the extracts were determined using the xCELLigence system (Real Time Cell Analyzer)., Results: Differences between the essential oil and volatile organic compound profiles of the plant were shown. The main component of the essential oil was caryophyllene oxide, while the main volatile organic compounds were sabinene and eucalyptol as determined by HS-GC/MS. Phenolic contents of the extracts were determined qualitatively and quantitatively by HPLC/TOF-MS. Ten phenolic compounds were found in the extracts from O. vulgare and Origanum acutidens: rosmarinic acid (in highest abundance), chicoric acid, caffeic acid, p-coumaric acid, gallic acid, quercetin, apigenin-7-glucoside, kaempferol, naringenin and 4-hydroxybenzaldehyde., Conclusion: This study provides first results on the antiproliferative and antioxidant properties and detailed phytochemical screening of O. vulgare ssp. viride (Boiss.) Hayek., (© 2014 Society of Chemical Industry.)
- Published
- 2015
- Full Text
- View/download PDF
Catalog
Discovery Service for Jio Institute Digital Library
For full access to our library's resources, please sign in.