Başlık için Fen Edebiyat Fakültesi listeleme
Toplam kayıt 1411, listelenen: 996-1015
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Phytosociological studıes on the steppe communıties of natural pastures in Sanlıurfa, upper Mesopotamia, Turkey
(Corvinus Univ Budapest, 2020)This phytosociological study was carried out in the steppe of Fatik Mountains in Sanliurfa, between the years 2002-2005. At the end of this study, it was underlined that the dominant vegetation type was steppe in the region ... -
Piperazine-azole-fluoroquinolone hybrids: Conventional and microwave irradiated synthesis, biological activity screening and molecular docking studies
(Academic Press Inc Elsevier Science, 2019)A series of new 1,2,4-triazole and 1,3,4-oxadiazole derivatives was obtained via several steps sequential reactions of phenyl piperazine. Then, these compounds were converted to the corresponding fluoroquinolone hybrids ... -
Plant metabolomics and strategies
(Springer International Publishing, 2016)Plant metabolomics is the study of metabolic pathways and processes to understand how plants grow and carry out functions. Over the past years, there has been a switch to a more holistic view of metabolomes. Instead of ... -
Polarization effects on intersubband absorption in GaN/ZnGeN2 quantum wells
(Igdir University, 2021)The effects of spontaneous and piezoelectric polarizations on the intersubband absorption in the GaN/ZnGeN2 quantum well are studied. Schrödinger and Poisson equations are solved self-consistently. The first order linear ... -
The polarization of X-rays and magnetic photoionization cross-sections for L3 sub-shell
(Elsevier, 2009)The alignment of atoms with inner-shell vacancies resulting from ionization by photons was investigated by measuring the anisotropic emission of L shell X-ray lines. The X-ray line intensities were measured using an Si(Li) ... -
Polarized-beam high-energy EDXRF in geological samples
(0-Belirlenecek, 2013)Certified reference materials (NIST 1645, BCR 143, IAEA 7, BCR 141, NIES-CRM-02, and IAEA 375) were used for determining the performance of a secondary target energy-dispersive X-ray fluorescence (EDXRF) spectrometer, ... -
Pollen analysis, chemical composition and antibacterial activity of Anatolian chestnut propolis collected from Yıgılca region
(Pleiades journals, 2021)Abstract: The purpose of this study is to examine the antimicrobial and antifungal activity of propolis samples of Yıgılca honey bee against Gram-positive and Gram-negative bacteria and yeast-like fungi. For this purpose ... -
Pollen morphology and anatomical features of Lilium (Liliaceae) taxa from Turkey
(Springer, 2014)In this study, pollen grains and anatomical features of Turkish lilies were investigated under the electron (SEM) and light (LM) microscope. LM and SEM observations showed that the pollen grains are monosulcate, heteropolar, ... -
Pollen morphology of Scorzonera (Asteraceae) in Turkey
(Magnolia Press, 2016)The pollen morphology of 45 taxa belonging to 15 sections of the genus Scorzonera distributed in Turkey were studied with light and electron microscopies. the pollen is generally 3-zonocolporate. Pollen grains are ... -
Pollinarium morphology of Vincetoxicum (Apocynaceae: Asclepiadoideae) in Turkey
(Magnolia Press, 2015)In this study, the pollen morphology of 20 representatives of ten taxa of Vincetoxicum from Turkey was observed under a scanning electron microscope and light microscope. Observations showed that each flower contained five ... -
Poly(vinylferrocenium) perchlorate-polyaniline composite film-coated electrode for amperometric determination of hydroquinone
(Springer, 2012)Poly(vinylferrocenium) perchlorate-polyaniline (PVF +-PANI) composite film was synthesized electrochemically on Pt electrode in a methylene chloride solution containing a mixture of poly(vinylferrocene) (PVF) polymer and ... -
Polygonum terzioglui sp. nov. (Polygonaceae), from Northeast Turkey
(Magnolia Press, 2023)Polygonum terzioglui (Polygonaceae), a new species from northernmost part of Turkey, is described based morphological, and molecular evidence. In addition, the leaf, ochrea, and fruit micromorphological traits of the new ... -
Polyphenol oxidase properties, anti-urease, and anti-acetylcholinesterase activity of Diospyros lotus L. (Plum Persimmon)
(Taylor & Francis Inc, 2017)Diospyros lotus fruit polyphenol oxidase was purified using affinity chromatography, resulting in a 15-fold enrichment in specific activity. the purified enzyme, having 16.5 kDa molecular weight on sodium dodecyl ... -
Population structure and genetic analysis of narrow-clawed crayfish (Astacus leptodactylus) populations in Turkey
(Springer, 2014)The genetic differentiation among Turkish populations of the narrow-clawed crayfish was investigated using a partial sequence of cytochrome oxidase subunit I gene (585 bp) of 183 specimens from 17 different crayfish ... -
Potential distribution modeling and morphology of pelias barani (Bohme and Joger, 1983) in Turkey
(Science Press, 2015)The climatic preferences of Pelias barani, a rare Pontic endemic viper, are analysed and a new locality record is reported. According to species distribution modeling, with the average test AUC was was 0.904 +/- 0.068, ... -
Potential distribution under different climatic scenarios of climate change of the vulnerable Caucasian salamander (Mertensiella caucasica): A case study of the Caucasus Hotspot
(Springer, 2018)Amphibians are strongly affected by climate change like many vertebrate animals. To address this problematic situation, we examined the potential effect of climate change on the distribution of Mertensiella caucasica (Waga, ... -
Potential habitats of an alien species (Asterias rubens Linnaeus, 1758) in the Black Sea: its current and future distribution patterns
(Springer Heidelberg, 2022)The Atlantic common starfish, Asterias rubens, has arrived firstly at the Marmara Sea in 1996 and to the Black Sea in 2007. In this study, we have exhibited the possible potential distribution of Asterias rubens throughout ... -
Potential therapeutic effect of turmeric contents against SARS-CoV-2 compared with experimental COVID-19 therapies: in silico study
(Taylor & Francis Inc, 2020)Inspired by the 'There is no scientific evidence that turmeric prevents COVID-19' statement made by WHO, the protective or therapeutic potential of the compounds in turmeric contents was investigated against COVID-19 with ... -
Precision and accuracy of ST-EDXRF performance for As determination comparing with ICP-MS and evaluation of As deviation in the soil media
(Pergamon-Elsevier Science Ltd, 2014)The present study was conducted to (i) determine the precision and accuracy of arsenic measurement in soil samples using ST-EDXRF by comparison with the results of ICP-MS analyses and (ii) identify the relationship of As ... -
Predicted distribution patterns of Pelias kaznakovi (Nikolsky, 1909) in the caucasus hotspot with a new locality record from Turkey
(Folium Publ Co, 2016)We represent climatic preferences of Pelias kaznakovi, which is a Caucasus endemic viper species together with a new locality record. Male P. kaznakovi specimen has morphological similarities in terms of pholidosis characters ...
