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Angiogenesis Inhibition by A Lichen Compound Olivetoric Acid
Koparal, Ayşe Tansu; Ulus, Gönül; Zeytinoğlu, Melih; Tay, Turgay; Türk, Ayşen Özdemir (Wiley-Blackwell, 2010)Lichens have been used in folk medicine for centuries and are symbiotic organisms of fungi and algae that produce unique secondary metabolites. Olivetoric acid is one of these secondary metabolites. In the present studs ... -
The Antimicrobial Activity of Extracts of the Lichen Cladonia foliacea and Its (-)-Usnic Acid, Atranorin, and Fumarprotocetraric Acid Constituents
The antimicrobial activity of the chloroform, diethyl ether, acetone, petroleum ether, and ethanol extracts of the lichen Cladonia foliacea and its (-)-usnic acid, atranorin, and fumarprotocetraric acid constituents against ... -
Antimicrobial activity of lichen Bryoria capillaris and its compound barbatolic acid
Sarıözlü, Nalan Yılmaz; Cankılıç, Meral Yılmaz; Candan, Mehmet; Tay, Turgay (Scientific Publishers of India, 2016)Antibacterial, antifungal activity and MIC values of the acetone, methanol and chloroform extracts of the lichen Bryoria capillaris (Ach.) and its barbatolic acid constituent have been investigated against Gram-positive ... -
Antimicrobial activity of lichen Bryoria capillaris and its compound barbatolic acid.
Sarıözlü, Nalan Yılmaz; Cankılıç, Meral Yılmaz; Candan, Mehmet; Tay, Turgay (Scientific Publishers India, 2016)Antibacterial, antifungal activity and MIC values of the acetone, methanol and chloroform extracts of the lichen Bryoria capillaris (Ach.) and its barbatolic acid constituent have been investigated against Gram-positive ... -
Evaluation of the sunscreen lichen substances usnic acid and atranorin
Varol, Mehmet; Tay, Turgay; Candan, Mehmet; Türk, Ayşen Özdemir; Koparal, Ayşe Tansu (Inst Histol Embriol-Conicet, 2015)Usnic acid and atranorin are known as both sunscreen substances in natural lichen population and cytotoxic substances on human cell lines. Both substances were isolated from the acetone extracts of Cladonia foliacea and ... -
Insecticidal activity of major lichen compounds, (-)- and (+)-usnic acid, against the larvae of house mosquito, Culex pipiens L.
Çetin, Hüseyin; Tufan-Çetin, Özge; Türk, Ayşe Özdemir; Tay, Turgay; Candan, Mehmet; Yanıkoğlu, Atila; Sumbul, Hüseyin (Springer, 2008)In this research, (-)-usnic acid and (+)-usnic acid, commonly encountered lichen secondary metabolites, were evaluated for their insecticidal effects against the larvae of Culex pipiens L. (Diptera: Culicidae) under ... -
Larvicidal activity of some secondary lichen metabolites against the mosquito Culiseta longiareolata Macquart (Diptera: Culicidae)
Çetin, Hüseyin; Tufan-Çetin, Özge; Türk, Ayşe Özdemir; Tay, Turgay; Candan, Mehmet; Yanıkoğlu, Atila; Sumbul, Hüseyin (Taylor & Francis LTD, 2012)The larvicidal activity of some lichen metabolites, (+)-usnic acid, atranorin, 3-hydroxyphysodic acid and gyrophoric acid, against the second and third instar larvae of the mosquito Culiseta longiareolata were studied. All ... -
Photoprotective Activity of Vulpinic and Gyrophoric Acids Toward Ultraviolet B-Induced Damage in Human Keratinocytes
Varol, Mehmet; Türk, Ayşen Özdemir; Candan, Mehmet; Tay, Turgay; Koparal, Ayşe Tansu (Wiley, 2016)Vulpinic and gyrophoric acids are known as ultraviolet filters for natural lichen populations because of their chemical structures. However, to the best of our knowledge, there has been no reference to their cosmetic ... -
Removal of copper(II) and nickel(II) ions from aqueous solution using non-living lichen Ramalina fraxinea biomass: investigation of kinetics and sorption isotherms
Candan, Mehmet; Tay, Funda; Avan, İlker; Tay, Turgay (Desalination Publ, 2017)Studies in the field of heavy metal ion removal from industrial wastewater using biomass are increasing in number due to highly efficient and cost-effective applications. In this study, we report the use of non-living ... -
Removal of Copper(Ii) Ions From Aqueous Solution By a Lactic Acid Bacterium
Yılmaz, M.; Tay, Turgay; Kıvanç, Merih; Türk, Hayrettin (Brazilian Soc Chemical Eng, 2010)Enterococcus faecium, a lactic acid bacterium (LAB), was evaluated for its ability to remove copper(II) ions from water. The effects of the pH, contact time, initial concentration of copper(II) ions, and temperature on the ... -
Screening the antifungal activity of soilborne actinomycetes
Türkiye'nin batısından toplanan 35 toprak örneğinden izole edilen toplam 288 aktinomiset suşu Aspergillus niger (ATCC-1094), A. parasiticus (NRRL-465), Fusarium moniliforme (NRRL 1866), F. solani (NRRL-13414), Penicillium ... -
Sorption of lead ions from aqueous solution onto Enterococcus faecium biomass
Cankılıç, Meral Yılmaz; Karabacak, R. Bengü; Tay, Turgay; Kıvanç, Merih (Iwa Publishing, 2013)This study reports kinetics and equilibrium of lead sorption onto the biomass of Enterococcus faecium. E. faecium is a lactic acid bacterium and was isolated from meat. Batch experiments were carried out to analyze the ...