PubMed İndeksli Yayınlar Koleksiyonu by Institution Author "Türk, Hayrettin"
Now showing items 1-9 of 9
-
Antimicrobial activity of extracts of chemical races of the lichen Pseudevernia furfuracea and their physodic acid, chloroatranorin, atranorin, and olivetoric acid constituents
Türk, Hayrettin; Yılmaz, Meral; Tay, Turgay; Türk, Ayşen Özdemir; Kıvanç, Merih (Verlag Z Naturforsch, 2006)The antimicrobial activity and the MIC values of the ethanol, chloroform, diethyl ether, and acetone extracts of the chemical races of Pseudevernia furfuracea (var. furfuracea and var. ceratea) and their physodic acid, ... -
The Antimicrobial Activity of Extracts of the Lichen Cetraria aculeata and Its Protolichesterinic Acid Constituent
In this study, the antimicrobial activity of the acetone, diethyl ether and ethanol extracts of the lichen Cetraria aculeata has been investigated. The extracts were tested against twelve bacteria and eight fungi and found ... -
The antimicrobial activity of extracts of the lichen Hypogymnia tubulosa and its 3-hydroxyphysodic acid constituent
Yılmaz, M; Tay, Turgay; Kıvanç, Merih; Türk, Hayrettin; Türk, Ayşen Özdemir (Verlag Z Naturforsch, 2005)The antimicrobial activity and the MIC values of the diethyl ether, acetone, chloroform, petroleum ether, and ethanol extracts of the lichen Hypogymnia tubulosa and its 3-hydroxyphysodic acid constituent have been investigated ... -
Antimicrobial activity of extracts of the lichen Xanthoparmelia pokornyi and its gyrophoric and stenosporic acid constituents
Candan, Mehmet; Yılmaz, Meral; Tay, Turgay; Kıvanç, Merih; Türk, Hayrettin (Walter De Gruyter GMBH, 2006)The antimicrobial activity of the diethyl ether, acetone, chloroform, petroleum ether, and ethanol extracts of the lichen Xanthoparmelia pokomyi and its gyrophoric acid and stenosporic acid constituents has been screened ... -
Electrochemical Determination of Bisphenol A with Pencil Graphite Electrodes Modified with Co(II), Ni(II), Cu(II) and Fe(II) Phthalocyaninetetrasulfonates
Özcan, Levent; Altuntaş, Muhammet; Buyuksagis, Ayşel; Türk, Hayrettin; Yurdakal, Sedat (Japan Soc Analytical Chemistry, 2016)Pencil graphite electrodes modified with Co(II), Ni(II), Cu(II) and Fe(II) metallophthalocyaninetetrasulfonates (MePcTSs) were investigated for an electrochemical determination of bisphenol A (BPA). The electrochemical ... -
Evaluation of the antimicrobial activity of the acetone extract of the lichen Ramalina farinacea and its (+)-usnic acid, norstictic acid, and protocetraric acid constituents
Tay, Turgay; Türk, Ayşen Özdemir; Yılmaz, Meral; Türk, Hayrettin; Kıvanç, Merih (Walter De Gruyter GMBH, 2004)The acetone extract of the lichen Ramalina farinacea and its (+)-usnic acid constituent showed antimicrobial activity against Bacillus subtilis, Listeria monocytogenes, Proteus vulgaris, Staphylococcus aureus, Streptococcus ... -
Non-enzymatic glucose biosensor based on overoxidized polypyrrole nanofiber electrode modified with cobalt(II) phthalocyanine tetrasulfonate
Özcan, Levent; Şahin, Yücel; Türk, Hayrettin (Elsevier Advanced Technology, 2008)An enzymeless biosensor, based on electrode position of overoxidized polypyrrole nanofiber onto pencil graphite electrode and modified with cobalt(II) phthalocyanine tetrasulfonate (CoPcTS), was investigated in this study. ... -
Oxidation of 2,6-di-tert-butylphenol with tert-butyl hydroperoxide catalyzed by iron porphyrin tetrasulfonate, iron porphyrin tetracarboxylate and their supported analogues in a water-methanol mixture
Mutlu, Yasemin Çimen; Semerci, Tugce Günay; Türk, Hayrettin (Elsevier Science BV, 2019)In this study, two water-soluble iron porphyrins bearing sulfonate and carboxylate functionalities (FePTS and FePTC, respectively) and their supported analogues were used as catalysts for the oxidation of 2,6-di-tert-butylphenol ... -
Synthesis of novel methacrylate based adsorbents and their sorptive properties towards p-nitrophenol from aqueous solutions
Erdem, Murat; Yüksel, Erdinc; Tay, Turgay; Çimen, Yasemin; Türk, Hayrettin (Academic Press Inc Elsevier Science, 2009)The polymeric adsorbents were synthesized from 2-dimethylaminoethyl methacrylate (DMA) and [2(methacryloyloxy)ethyl]dimethylhexadecylammonium bromide (DMAC(16)) monomers in the presence of ethylene glycol dimethacrylate ...