Güncel Gönderiler: FEF, Biyoloji Bölümü Koleksiyonu
Toplam kayıt 594, listelenen: 221-240
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Design and microwave-assisted synthesis of a novel Mannich base and conazole derivatives and their biological assessment
(Walter de Gruyter, 2021)4-Amino-5-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one (1) was converted to the corresponding Schiff base (2) by treatment with salicylaldehyde. 1,2,4-Triazoles were then converted to the corresponding Mannich bases containing ... -
Toxic efficacy of Cuscuta campestris Yunck. (Solanales: Convolvulaceae) and Lupinus albus L. (Fabales: Fabaceae) plant crude extracts against nymphs and adults of Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae) under laboratory conditions
(Entomological Society of Turkey, 2021)The planthopper, Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae), is an important agricultural pest of grapevine, kiwifruit and tea in Asia and in some countries of Eastern Europe. The efficacy of the crude ... -
Essential oil composition, antimicrobial and antioxidant activities of Salvia staminea
(2018)Volatile constituents of the essential oil which was obtained by hydrodistillation (HD) in a Clevengertype apparatus from the air-dried Salvia staminea Montbret & Aucher ex Bentham (Lamiaceae) collected from Bayburt (North ... -
The lowland meadow vegetation of the central Black Sea Region of Turkey
(2014)Türkiye'nin Orta Karadeniz Bölgesinde ova alanların çayır vejetasyonu Braun-Blanquet metodu veTWINSPAN kümeleme, CCA ve DECORANA ordinasyon yöntemleriyle analiz edilmiştir. Araştırmaalanında üç yeni bitki birliği tanımlanmıştır. ... -
Tragopogon abbreviatus (Asteraceae): a little-known species inferred from morphological and molecular analysis
(2020)Tragopogon porrifolius occurs in Turkey with 3 taxonomically confused subspecies: T. porrifolius subsp. eriospermus, T. porrifolius subsp. longirostris, and T. porrifolius subsp. abbreviatus. In the present paper, T. ... -
Synthesis and biological evaluation of a new series of 4-alkoxy-2-arylquinoline derivatives as potential antituberculosis agents
(2015)Three new series of 33 quinolone compounds, 2-(2-, 3-, and 4-fluorophenyl)-4-O-alkyl(C5−15) quinolines (7a– k, 8a–k, and 9a–k), were synthesized from 2-(2-, 3-, and 4-fluorophenyl)-2,3-dihydroquinolin-4(1H )-one (4, ... -
Antibacterial activity of bryophyte species against Paenibacillus larvae isolates
(2017)This study was performed to determine the antibacterial activity of methanol extracts of 23 bryophyte species against Paenibacillus larvae isolates that cause American foulbrood diseases in honeybee larvae. The honey and ... -
Chemical composition and antimicrobial activity of the essential oils of five Scrophularia L. Species from Turkey
(2017)The essential oils of the five Scrophularia species; Scrophularia chrysantha Jaub. et Spach, Scrophularia kotschyana Benth., Scrophularia olympica Boiss., Scrophularia cinerascens Boiss. and Scrophularia zuvandica Grossh. ... -
Cloning, expression, and characterization of a novel CTP synthase gene from Anoxybacillus gonensis G2
(2014)The cytidine-5'-triphosphate (CTP) synthase (EC 6.4.3.2) gene (pyrG) was cloned and sequenced from the thermophilic bacterium Anoxybacillus gonensis G2 (Ago). The gene is 1590 bp in length and encodes a protein of 530 amino ... -
Composition of the essential oil of Salvia montbretii Benth. from Turkey
(2018)The composition of the essential oil produced from aerial parts of Salvia montbretii Benth.(Lamiaceae), was analyzed by GC and GC-MS. Forty-six compounds constituting about 97.7% of the essential oil were characterized.The ... -
Antimicrobial activity and composition of rindera lanata (LAM.) bunge var. canescens (A.D.C.) Kosn. essential oil obtained by hydrodistillation and microwave assisted sistillation
(2017)The composition of essential oils of Rindera lanata (LAM). Bunge var. canescens (A.D.C) Kosn. obtained by hydro-distillation (HD) and microwave assisted distillation (MW) by GC, GC/MS. Thirty three and thirty nine compounds ... -
Determination of the microflora, quality and mineral substance contents of black tea (Camellia sinensis)
(2016)The black tea is produced from different varieties of Camellia sinensis (Linneaus) O. Kutzeafter withering, rolling, fermantation, drying, classification and packing stages of green tea leaves, buds and the parts of fresh ... -
Some toxic effects of ammonium sulfate fertilizer to rana macrocnemis tadpoles from Rize (black sea region), Turkey
(2017)The aim of this study was to investigate the toxic effects of ammonium sulfate in Rana macrocnemis tadpoles. So, the animals were exposed to six different concentrations of ammonium sulfate (50, 75, 100, 150, 250 and 500 ... -
The chemical composition of the essential oil, SPME and antimicrobial activity of rhododendron caucasicum pall
(2019)The aim of this research was to investigate the effect of different extraction methods and chemical composition of the essential oil and solid-phase microextraction (SPME) from Rhododendrum caucasium Pall. The volatiles ... -
Karçal dağları (Artvin/Türkiye)’nın Herpetofaunası
(2017)Temmuz 2015 tarihleri arasında Karçal dağları ve çevresinde yapılan herpetolojik araştırmalar neticesinde 11 istasyondan 7'si çift yaşar (2 semender ve 5 kurbağa) 11'i sürüngen (5 kertenkele ve 6 yılan ) olmak üzere toplam ... -
Preparation and antimicrobial activity evaluation of some quinoline derivatives containing an azole nucleus
(2012)Quinoline-2-carbohydrazide (2) obtained from quinaldic acid (1) was converted to the corresponding carbothioamide 3 and carboxamide 6 by treatment with benzyliso(thio)cyanate. The basic treatment of 3 and 6 yielded the ... -
Foliar N and P resorption and nutrient (N, P, C, and S) contents of Vaccinium arctostaphylos L. and Vaccinium myrtillus L. from East Black Sea region of Turkey
(TÜBİTAK Bilimsel ve Teknik Araştırma Kurulu, 2016)Phosphorus (P), nitrogen (N), carbon (C), and sulfur (S) contents of the leaves and specific leaf area (SLA), leaf mass per area (LMA), and N and P resorption were researched in Vaccinium arctostaphylos L. and Vaccinium ... -
Surveillance and control of invasive aedes species in the Eastern Black Sea Area of Turkey
(2018)Objective: Invasive mosquito species are a huge problem world-wide and can cause serious mosquito borne disease epidemics. Recent surveys in Europe revealed that many autocthonous cases of chikungunya are related to the ... -
Lignification response for rolled leaves of Ctenanthe setosa under long-term drought stress
(2013)Leaf rolling is a dehydration avoidance mechanism for plants under drought stress. To understand how it affects the lignification process in response to long-term drought stress in Ctenanthe setosa plants that have the ... -
Life history traits in Bufotesvariabilis (Pallas, 1769) from 2 different altitudes in Turkey
(2015)Life history characteristics (e.g., longevity, age at maturity, body size, and body mass) of the green toad, Bufotes variabilis,were investigatedfrom 2 populations inhabiting different altitudes (Çankırı, 960 m a.s.l., n ...
