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Orhanmurat Kalfa

Prof. Dr. Orhanmurat Kalfa

Fen Edebiyat Fakültesi

Yayınlar

  Yıllara Göre Grafiklerim Türlere Göre Grafiklerim Kapsamına Göre Grafiklerim Endeksine Göre Grafiklerim

Kitaplar

Turan, K., Saygılı, C. R. & Kalfa, O. M. (2024). KIMYA ALANINDA ULUSLARARASI ARAŞTIRMALAR-I, : Eğitim Yayınevi

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Makaleler

Gül, S., Kara, Ş., Talhi, H., Bahar, A. A., Kalfa, O. M. & Akcan, M. (2024). Hybridization of Honeybee and Frog Peptides: Antimicrobial Peptides Composed of Apidaecins and Temporins With Enhanced Activity and Production of Their Electrospun Nanofibers. Peptide Science, 116(5), - . 10.1002/pep2.24350

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Biyokimya

Saygılı, C. R., , T. K. &, K. O. M. (2024). Investigation of chromium preconcentration conditions by solid phase extraction method using activated carbon based ion-imprinted sorbent. International Journal of Environmental Analytical Chemistry, 104(17),5316 - 5336. 10.1080/03067319.2022.2119141

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Baş, E. B., , K. C., , K. O. M. &, A. M. (2022). Cyclotide-rich fractions containing nanofibers by electrospinning: preparation, characterization and examination of antimicrobial activity. Turkish Journal of Chemistry, 46(5),1651 - 1660. 10.55730/1300-0527.3468

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Dağcı, M. &, K. O. M. (2022). Preconcentration of Some Heavy Metals with Novel Electrospun Nanofiber Including Quince Seed Mucilage. Water, Air, & Soil Pollution, 233(6),206 - . 10.1007/s11270-022-05680-z

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Turan, K. &, K. O. M. (2022). Removal of lead from aqueous solution using electrospun nanofibers: preparation, characterization, adsorption isotherm, and kinetic study. Analytical Methods, 14(),3382 - 3396. 10.1039/D2AY00691J

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Turan, K., , S. C. R. &, K. O. M. (2022). Preconcentration of trace amount Cu(II) by solid-phase extraction method using activated carbon-based ion-imprinted sorbent. Turkish Journal of Chemistry, 46(2),550 - 566. 10.3906/kim-2110-41

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Turan, K., , A. M. &, K. O. M. (2021). Preparation, Characterization and Antibacterial Activity of MalvaSylvestris L.Seed Extract Containing Novel Electrospun PVA Nanofibers. Gazi University Journal of Science, 34(4),987 - 998. 10.35378/gujs.794638

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Turan, K., Saygılı, C. R. & Kalfa, O. M. (2018). Selective Preconcentration of Trace Amounts of Cu(II) With Surface-Imprinted Multiwalled Carbon Nanotubes. CLEAN SOIL AIR WATER, 46(1),1 - 10. 10.1002/clen.201700580

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Saygılı, C. R., Kalfa, O. M., Üstündağ, Z. & Erdoğan, Y. (2017). Graphene Oxide Modified Expanded Perlite As a New Sorbent for Cu(II) and Pb(II) Prior to Determination By High-Resolution Continuum Sorce Flame Atomic Absorption Spectroscopy. Separation Science and Technology, 52(13),2069 - 2078. 10.1080/01496395.2017.1328443

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Saygılı, C. R., Kalfa, O. M., Üstündağ, Z. & Erdoğan, Y. (2017). Graphene oxide modified expanded perlite as a new sorbent for Cu(II) and Pb(II) prior to determination by high-resolution continuum source flame atomic absorption spectrometry. Separation Science and Technology, 52(13),2069 - 2078. 10.1080/01496395.2017.1328443

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Saygılı, C. R., Kalfa, O. M., Üstündağ, Z. & Erdoğan, Y. (2017). Graphene oxide modified expanded perlite as a new sorbent for Cu(II) and Pb(II) prior to determination by high-resolution continuum source flame atomic absorption spectrometry. Separation Science and Technology, 52(13),2069 - 2078. 10.1080/01496395.2017.1328443

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Turan, K., Saygılı, C. R. & Kalfa, O. M. (2017). Determination of trace amounts of Co(II) after preconcentration with surface ion imprinted sorbent based on activated carbon. Separation Science and Technology, 53(5),707 - 716. 10.1080/01496395.2017.1405989

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Erken, E., Pamuk, H., Karatepe, Ö., Başkaya, G., Sert, H., Kalfa, O. M. & Şen, F. (2016). New Pt 0 Nanoparticles as Highly Active and Reusable Catalysts in the C1 C3 Alcohol Oxidation and the Room Temperature Dehydrocoupling of Dimethylamine Borane DMAB. JOURNAL OF CLUSTER SCIENCE, 27(1),9 - 23. 10.1007/s10876-015-0892-8

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Saygılı, C. R., , U. R., , Y. İ., , İ. E. K., , K. M., , Z. B. &, K. O. M. (2015). Synthesis of some 1,8-dioxoacridine carboxylic acid derivatives and thedetermination of their ionization constants in ethanol–water mixtures. JOURNAL OF MOLECULAR STRUCTURE, 1083(),252 - 259. 10.1016/j.molstruc.2014.12.002

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Saygılı, R., Ulus, R., İbrahim, Y., İnal, E. K., Kaya, M., Kalfa, O. M. & Zeybek, B. (2015). Synthesis of some 1 8 dioxoacridine carboxylic acid derivatives and the determination of their ionization constants in ethanol water mixtures. JOURNAL OF MOLECULAR STRUCTURE, 1083(),252 - 259.

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Orhan, A., , O. M. K., , Ö. Y. &, A. R. T. (2013). Determination and evaluation of gross alpha and beta activity concentrations andmetal levels in thermal waters from Ankara Turkey. TURKISH JOURNAL OF CHEMISTRY, (37),805 - 811.

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Şentürk, Ş., , Ü. A. &, K. O. M. (2013). Density functional study of bromine doped lithium clusters. Computational and Theoretical Chemistry, 1023(),46 - 50. 10.1016/j.comptc.2013.09.010

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Acar, O., Kalfa, O. M., Yalçınkaya, Ö. & Türker, A. R. (2013). Assessment of arsenic chromium copper andmanganese determination in thermal spring waters byelectrothermal atomic absorption spectrometry usingvarious chemical modifiers. Analytical Methods, (5),748 - 754.

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Acar, O., , K. O. M., , Y. Ö. &, T. A. R. (2012). Evaluation of Activation Energies for Cadmium Atomization on Different Atomizer Surfaces and Modifier Solutions in Electrothermal Atomic Absorption Spectrometry. Spectroscopy Letters, 45(5),315 - 323. 10.1080/00387010.2012.666696

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Kalfa, O. M., Yalçınkaya, Ö. & Türker, A. R. (2012). MWCNT nano ZrO2 as a new solid phase extractor itssynthesis characterization and application to atomicabsorption spectrometric determination of lead. TURKISH JOURNAL OF CHEMISTRY, (36),885 - 898.

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Özcan, Y., , O. M. K. &, A. R. T. (2011). Preconcentration of trace copper cobalt and lead from various samples by hybrid nano sorbent and determination by FAAS. Current Analytical Chemistry, (7),225 - 234.

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Yalçınkaya, Ö., Kalfa, O. M. & Türker, A. R. (2011). Chelating agent free solid phase extraction CAF SPE of Co II Cu II and Cd II by new nano hybrid material ZrO2 B2O3. Journal of Hazardous Materials, 195(),332 - 339. 10.1016/j.jhazmat.2011.08.048

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Yalçınkaya, Ö., Kalfa, O. M. & Türker, A. R. (2010). Chelating agent free solid phase extraction CAF SPE method for separation and or preconcentration of iron III ions. TURKISH JOURNAL OF CHEMISTRY, (34),207 - .

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Kalfa, O. M., Yalçınkaya, Ö. & Türker, A. R. (2009). Synthesis and characterization of nano scale alumina on single walled carbon nanotube. Inorganic Materials, 45(9),988 - 992. 10.1134/S0020168509090088

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Kalfa, O. M., Yalçınkaya, Ö. & Türker, A. R. (2009). Synthesis of nano B2O3 TiO2 composite material as a new solid phase extractor and its application to preconcentration and separation of cadmium. JOURNAL OF HAZARDOUS MATERIALS, (166),455 - 461.

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Acar, O., , K. O. M., , Y. Ö. &, T. A. R. (2009). Calcium, Magnesium, Iron, Zinc, Cadmium, Lead, Copper and Chromium Determinations in Brown Meagre (Sciaena Umbra) Bone Stone by Flame and Electrothermal Atomic Absorption Speetrometry. Gazi University Journal of Science, 23(1),41 - 48.

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Kaya, M., , Y. C., , D. İ. &, K. O. M. (2008). Synthesis and characteristics of N glyoxyldioxime N 2 hydroxybenzylidene 1 4 diaminonaphthalene and its metal complexes. Russian Journal of General Chemistry, 78(5),939 - 945. 10.1134/S1070363208050186

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Üstündağ, İ., , Ü. Z., , K. O. M. &, K. Y. K. (2007). Geochemical compositions of trona samples by PEDXRF and their identification under confocal Raman spectroscopy Beypazarı Ankara Turkey. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 254(1),153 - 159. 10.1016/j.nimb.2006.09.018

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Üstündağ, Z., , K. O. M., , E. Y. &, K. Y. K. (2006). Elemental speciation of different stages of silver metal recovery process using PEDXRF. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 251(1),213 - 217. 10.1016/j.nimb.2006.05.017

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Turan, K., Saygılı, C. R. & Kalfa, O. M. (2019). Eser Element Zenginleştirilmesinde Kullanılmak Üzere Baskılama Tekniği ile Yeni Katı Fazların Hazırlanması. Bilecik Şeyh Edebali Üniversitesi Fen Bilimleri Dergisi, 6(2),192 - 209. 10.35193/bseufbd.632148

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Kalfa, O. M., , Ü. Z., , Ü. İ. &, K. Y. K. (2006). Analysis of tincal ore waste by energy dispersive X-ray fluorescence (EDXRF) Technique. JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 103(),424 - 427. 10.1016/j.jqrst.2006.02.059

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Bildiriler

Saygılı, C. R., Kalfa, O. M., Üstündağ, Z. & Erdoğan, Y. (2017). Preconcentration of Cadmium (II) Ions Using Graphene Oxide Modified Expanded Perlite As a Sorbent, International Congress On Chemistry and Materials Science (ANCON 2017), 05.10.2017

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Dağcı, M., Zeren, Ü. & Kalfa, O. M. (2017). Poly (Acrylonitrile) Nanofibers For The Solid Phase Extraction Of Cu (II) From Aqueous Solutions, International Congress On Chemistry and Materials Science (ANCON 2017), 05.10.2017

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Dağcı, M., Zeren, Ü. & Kalfa, O. M. (2017). Preparation and Characterization of Quince Seed Mucilage/Poly (vinyl alcohol) Blend Nanofiber Membranes by Electrospinning Method, International Congress On Chemistry and Materials Science (ANCON 2017), 05.10.2017

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Anahtar Kelimeler

Saygılı, C. R., Kalfa, O. M., Üstündağ, Z. & Erdoğan, Y. (2017). Preconcentration of Cadmium(II) Ions Using Graphene Oxide Modified Expanded Perlite As a Sorbent, International Congress On Chemistry And Materials Science, 05.10.2017

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