Browsing by Author "Yener, İsmail"
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Anoxybacilus sp. SO-B1 bakterisi ile modifiye edilmiş amberlit XAD-16 reçinesi kullanılarak Th(IV) ve Ce(III) iyonlarının katı faz ekstraksiyonu, zenginleştirilmesi ve ICP-OES ile tayini
Yener, İsmail (2015)Bu çalışmada Anoxybacilus sp. SO-B1 bakterisi ile modifiye edilmiş Amberlit XAD-16 reçinesi kullanılarak kolon dolgu maddesi hazırlanmış ve hazırlanan bu kolon dolgu maddesi ile matriks ortamında bulunan Th(IV) ve Ce (III) ... -
Bazı Euphorbia türlerinin ağır metal ve türe özgü sekonder metabolit içeriklerinin LC-MS/MS, LC-MS-IT-TOF ve ICP-MS ile metot validasyonu ; antioksidan ve antikanser özelliklerinin belirlenmesi
Yener, İsmail (2017)Euphorbiaceae familyası dünyada ve ülkemizde çok fazla bulunan familyalardan biridir. Euphorbiaceae familyası 331 cins altında toplanmış yaklaşık 5000 türe sahip büyük familyalardan biridir. Euphorbiaceae familyasına ... -
Bazı Salvia (Ada Çayı) Türlerinin HPLC-IT-TOF-MS ile Taranması, Sekonder Metabolitlerinin Saflaştırılması ve Antikanser Özelliklerinin Belirlenmesi
Yılmaz, Mustafa Abdullah; Yener, İsmail; Ertaş, Abdulselam; Temel, Hamdi; Topçu, Gülaçtı; Kandemir, Sevgi İrtegün; Kolak, Ufuk (2018)Arazi çalışmaları sonucu toplanan 6 Salvia türünün ön biyolojik aktivite deneylerinde kullanılmak üzere kloroform ve etanol ekstreleri hazırlandı. Bu 12 ekstreden aktif çıkan etanol ekstrelerinden saf madde izolasyonuna ... -
Bazı tıbbi aromatik bitki türlerinin şeker hastalığına karşı (antidiyabetik) ve cilt yenileme (antiaging) özelliklerinin belirlenmesi; türlerin fitokozmetik ve fitofarmasötik potansiyellerinin ortaya konulması
Çavuşoğlu, Mehmet (Dicle Üniversitesi, Fen Bilimleri Enstitüsü, 2024)Halk arasında anti-aging (cilt yenileme) özelliğinden dolayı kullanılan kiraz sapı, kına, badem, ayva çekirdeği, kayısı çekirdeği, menegiç (bıttım), yenidünya, salatalık kabuğu ve anti-aging etki potansiyeli olduğu düşünülen; ... -
Bioguided isolation of secondary metabolites from Salvia cerino-pruinosa Rech. f. var. cerino-pruinosa
Ertaş, Abdulselam; Çakırca, Hatice; Yener, İsmail; Akdeniz, Mehmet; Fırat, Mehmet; Topçu, Gülaçtı; Kolak, Ufuk (ACG Publications, 2021)Abstract: In the current study, the ethanol extracts prepared from the aerial parts and roots of an endemic species, Salvia cerino-pruinosa Rech. f. var. cerino-pruinosa were fractionated on silica gel columns and tested for ... -
Biological and chemical comparison of natural and cultivated samples of satureja macrantha C.A.Mey
Akdeniz, Mehmet; Yener, İsmail; Ertaş, Abdulselam; Fırat, Mehmet; Reşitoğlu, Barış; Haşimi, Nesrin; Kandemir, Sevgi İrtegün; Yılmaz, Mustafa Abdullah; Demirköz, Aslı Barla; Kolak, Ufuk; Öksuz, Sevil (ACG Publications, 2021)Abstract: In this study, investigation on the essential oils and ethanol extracts of naturally grown and cultivated Satureja macrantha samples were reported. The essential oil, flavour and terpenoid-steroid-flavonoid ... -
Cannabinoids for SARS-CoV-2 and is there evidence of their therapeutic efficacy?
Onay, Ahmet; Ertaş, Abdulselam; Süzerer, Veysel; Yener, İsmail; Yılmaz, Mustafa Abdullah; Ayaz-Tilkat, Emine; Ekinci, Remzi; Bozhan, Nesrin; İrtegun-Kandemir, Sevgi (Tubitak Scientific & Technical Research Council, 2021)Abstract: To combat the coronaviruses and their novel variants, therapeutic drugs and the development of vaccines that are to be effective throughout human life are urgently needed. The endocannabinoid system (ECS) acts ... -
Chemical fingerprints and bioactivities of 12 Anatolian Achillea L. species by LC-MS/ MS with chemometric approach: novel phytonutrients, natural food preservatives and chlorogenic acid sources
Yılmaz, Mustafa Abdullah; Ertaş, Abdulselam; Yener, İsmail; Türkmenoğlu, Fatma Pınar; Ölmez, Özge Tokul; Öztürk, Mehmet; Altun, Muhammed; Çakır, Oğuz; Tarhan, Abbas; Boğa, Mehmet (Turkiye Klinikleri, 2022)The objective of this study was to evaluate the biological activities and chemical fingerprint profiles of the extracts obtained from twelve Achillea L. species (A. lycaonica, A. biebersteinii (syn: A. arabica), A. kotschyi ... -
A comprehensive study on chemical and biological investigation of thymus brachychilus jalas: A rich source of ursolic and oleanolic acids
Akdeniz, Mehmet; Yiğitkan, Serkan; Yılmaz, Mustafa Abdullah; Yener, İsmail; Varhan Oral, Elif; Fırat, Mehmet; Orhan, İlkay Erdoğan (Taylor & Francis Inc, 2023)The significance of Thymus species in the scientific community is growing steadily due to their extensive utilization in traditional medicine, food industry, and pharmaceutical sector, owing to their abundance in essential ... -
A comprehensive study on chemical and biological profiles of Algerian Azadirachta indica (A. Juss)
Boukeloua, Ahmed; Leila, Soudani; Bendif, Hamdi; Elkadeem, Ahmed Mustafa; Boğa, Mehmet; Serralheiro, Maria Luísa; Yılmaz, Mustafa Abdullah; Yener, İsmail (Elsevier Ltd, 2024)The study aimed to analyse the chemical and biological composition of Azadirachta indica (A. Juss) (A. indica) leaves. Minerals were quantified using inductively coupled plasma-mass spectrometry (ICP-MS). Phenolic compounds ... -
Cream production and biological in vivo/in vitro activity assessment of a novel boron-based compound derived from quercetin and phenyl boronic acid
Temel, Hamdi; Atlan, Metin; Ertaş, Abdulselam; Yener, İsmail; Akdeniz, Mehmet; Yazan, Zehra; Yılmaz, Mustafa Abdullah (Elsevier GmbH, 2022)Boronic acids constitute an important class of synthetic intermediates due to their high chemical stability, ease of use, moderate organic Lewis acid properties, reduced reactivity profiles and numerous biological activities ... -
A detailed biological and chemical investigation of sixteen schillea species' essential oils via chemometric approach
Yener, İsmail; Yılmaz, Mustafa Abdullah; Ölmez, Özge Tokul; Akdeniz, Mehmet; Tekin, Fetullah; Haşimi, Nesrin; Alkan, Mehmet Hüseyin; Öztürk, Mehmet; Ertaş, Abdülselam (Wiley-V C H Verlag Gmbh, 2020)Representatives of the Achillea genus are widely used as foods or nutraceuticals. Considering the increasing demand for herbal dietary supplements with health promoting effects, the objective of this research was to evaluate ... -
A detailed chemical and biological investigation of twelve allium species from Eastern Anatolia with chemometric studies
İzol, Ebubekir; Temel, Hamdi; Yılmaz, Mustafa Abdullah; Yener, İsmail; Ölmez, Özge Tokul; Kaplaner, Erhan; Fırat, Mehmet; Ertaş, Abdülselam (Wiley-V C H Verlag Gmbh, 2021)Allium species are widely consumed as food all over the world. The phenolic profile of ethanol extracts of aerial parts and roots of 12 Allium species, collected from five different Eastern Anatolia regions, were studied ... -
Determination of antioxidant, cytotoxic, anticholinesterase, antiurease, antityrosinase, and antielastase activities and aroma, essential oil, fatty acid, phenolic, and terpenoid-phytosterol contents of Salvia poculata
Yener, İsmail (Elsevier B.V., 2020)In this study, the essential oil, aroma, fatty acid, terpeneoid and phenolic contents of Salvia poculata were investigated. Additionally, antioxidant, toxic-cytotoxic activities of essential oil and the ethanol extracts ... -
Determination of enzyme inhibition potential and anticancer effects of pistacia khinjuk stocks raised in in vitro and in vivo conditions
Tilkat, Emine Ayaz; Batıbay, Hayri; Yener, İsmail; Yılmaz, Pelin Köseoğlu; Akdeniz, Mehmet; Kaplan, Alevcan; Ercişli, Sezai; Ertas, Abdulselam; Holubec, Vojtech (MDPI, 2021)In this study, antihypertensive, anticholinesterase, antiurease, antityrosinase and antielastase enzyme inhibition and anticancer activities of in vivo (male and female) and in vitro samples (root, stem and leaf parts) of ... -
Determination of fingerprints contents of different extracts and parts of six endemic Salvia taxa by GC-MS: Source species for valuable compounds with drug or drug potential
Akdeniz, Mehmet; Yener, İsmail; Dinçel, Demet; Fırat, Mehmet; Değirmenci, Dilek Karataş; Ertaş, Abdulselam (Wiley, 2022)Public use of Salvia species and their importance in the scientific world is continually increasing. It is known that this use and the importance of Salvia species are mostly due to the terpenoid compounds that they contain. ... -
Development and validation of a novel LC-MS/MS method for the quantitation of 19 fingerprint phytochemicals in salvia species: A chemometric approach
Yılmaz, Mustafa Abdullah; Ertaş, Abdulselam; Yener, İsmail; Ölmez, Özge Tokul; Fırat, Mehmet; Temel, Hamdi (Oxford University Press, 2022)Being traditionally utilized mainly as appetizers and herbal teas as well as used to ease abdominal pains, colds and gastrointestinal issues, the genus Salvia L. has gained significant consideration owing to its remarkable ... -
Docking studies of natural product derived carvacrol type aromatic monoterpenes against COVID-19 and comparison with used synthetic drugs: Potential of carvacryl acetate against SARS-CoV-2 (COVID-19)
Kocakaya, Şafak Özhan; Ertaş, Abdulselam; Yener, İsmail; Arıca, Enes; Dinçel, Demet (Dicle Üniversitesi Fen Bilimleri Enstitüsü, 2023)The COVID-19 pandemic that broken out in 2020 is becoming more worrying for the world. Although there is no 100 % success against COVID-19, certain synthetic drugs are currently used despite various side effects. ... -
Essential oil contents of Hypericum linarioides , H. helianthemoides, and H. lydium with their biological activities: Importance of Hypericum genus in the cosmeceutical and pharmaceutical industries
Akdeniz, Mehmet; Yener, İsmail; Ertaş, Abdülselam; Dincel, Demet; Fırat, Mehmet; Kocakaya, Şafak Özhan; Yigitkan, Serkan; Türkmenoğlu, Fatma Pınar; Aydın, Fırat; Kolak, Ufuk (Springer, 2023)In the literature, more than 3000 studies have been carried out on species in the Hypericum genus in the last ten years, especially for H. perforatum. The importance of Hypericum species in traditional medicine and modern ... -
Essential oil, aroma, and fatty acid profiles of five endemic Salvia taxa from Turkey with chemometric analysis
Ertaş, Abdulselam; Akdeniz, Mehmet; Yener, İsmail; Öztürk, Mehmet; Ölmez, Özge Tokul; Fırat, Mehmet; Kolak, Ufuk (Wiley-V C H Verlag GMBH, 2022)The essential oil, aroma, and fatty acid compositions of Salvia cerino-pruinosa var. cerino-pruinosa, S. cerino-pruinosa var. elazigensis, S. pseudeuphratica, S. rosifolia, and S. kurdica collected in 2015, 2016, and 2017 ...