Search Results - "Ozgur, Mahmure Ustun"

Biosynthesis of ZnO photocatalyst and its application in photo catalytic degradation of methylene blue dyestuff by Şendal, Kaan, Üstün Özgür, Mahmure, Gülen, Jale

“…In this research, biosynthesis of zinc oxide nanoparticles (ZnO-NPs) was performed using aqueous extract of the leaves of Cynara scolymus L (CsL, artichoke)…”
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Development and Validation of an Effective Spectrophotometric Method for Simultaneous Determination of Synthetic Colorants After Cloud Point Extraction and Comparision with New Green HPLC Method by Üstün Özgür, Mahmure, Delmidan, Merve

“…Synthetic colorants are largely used in the pharmaceutical products to increase the attractiveness of products and to help patients distinguish between…”
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Ultrasound-Assisted Extraction of Anthocyanins from Red Rose Petals and New Spectrophotometric Methods for the Determination of Total Monomeric Anthocyanins by Ozgur, Mahmure Ustun, Cimen, Emrah

“…In this study, four extraction technologies for the extraction of anthocyanins (Acyns) from red rose petals (RRPs) were investigated and compared, including…”
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Investigation of antibacterial and anticancer activities of biosynthesized metal-doped and undoped zinc oxide nanoparticles by Şendal, Kaan, Üstün Özgür, Mahmure, Ortadoğulu Sucu, Ebru, Findik, Melike Başak, Erdoğan, Ömer, Oryaşin, Erman, Çevik, Özge

“…Over the past 10 years, nanotechnology has emerged as a very promising technique for a wide range of biomedical applications. Green synthesized metal and metal…”
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Validated Spectrophotometric Methods for Simultaneous Determination of Food Colorants and Sweeteners by Turak, Fatma, Ozgur, Mahmure Ustun

“…Two simple spectrophotometric methods have been proposed for simultaneous determination of two colorants (Indigotin and Brilliant Blue) and two sweeteners…”
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Four Derivative Spectrophotometric Methods for the Simultaneous Determination of Carmoisine and Ponceau 4R in Drinks and Comparison with High Performance Liquid Chromatography by Turak, Fatma, Dinç, Mithat, Dülger, Oznur, Ozgür, Mahmure Ustun

“…Four simple, rapid, and accurate spectrophotometric methods were developed for the simultaneous determination of two food colorants, Carmoisine (E122) and…”
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Determination of Anthocyanins in some Vegetables and Fruits by Derivative Spectrophotometric Method by Şakar, D., Karaoğlan, G.K., Gümrükçü, G., Özgür, M.Ü.

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Simultaneous Determination of Allura Red and Ponceau 4R in Drinks with the Use of Four Derivative Spectrophotometric Methods and Comparison with High-Performance Liquid Chromatography by TURAK, Fatma, OZGUR, Mahmure Ustun

“…Four simple, rapid, sensitive, and accurate spectrophotometric methods were developed for the simultaneous determination of Allura Red (AR) and Ponceau 4R (P)…”
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Synthesis and electrochemical, electrical and gas sensing properties of novel mononuclear metal-free, Zn(II), Ni(II), Co(II), Cu(II), Lu(III) and double-decker Lu(III) phthalocyanines substituted with 2-(2H-1,2,3-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl) phenoxy by Gümrükçü, Gülşah, Özgür, Mahmure Üstün, Altındal, Ahmet, Özkaya, Ali Rıza, Salih, Bekir, Bekaroğlu, Özer

“…Novel metallophthalocyanines 4–8 (M=Zn, Ni, Co, Cu, Lu, respectively), metal free 9 and double decker Lu(III) phthalocyanine 10 with four peripheral…”
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Greener Approach to Synthesis of Steady Nano-sized Gold with the Aqueous Concentrate of Cotinus Coggygria Scop. Leaves by OZGUR, M. U., ORTADOĞULU, Ebru, ERDEMİR, Burak

“…There is a growing commercial attraction for nanoparticles because of their widespread feasibility in various fields for instance electronics, textiles,…”
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Validated Spectrophotometric Methods for Simultaneous Determination of Food Colorants and Sweeteners by Turak, Fatma, Ozgur, Mahmure Ustun

“…Two simple spectrophotometric methods have been proposed for simultaneous determination of two colorants (Indigotin and Brilliant Blue) and two sweeteners…”
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Investigation of antibacterial and photocatalytic efficiency of green ZnO nanoparticles that synthesized with Celosia Cristata flower extract by Üstün Özgür, Mahmure, Duygulu, Özgür, Altikatoğlu Yapaöz, Melda

“…Increasing interest in green chemistry has led scientists to an environmentally friendly nanoparticle synthesis approach that has many advantages, such as…”
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Biogenic Synthesis of Zinc Oxide Nanoparticles with Leaves and Cones Concentrate of Cupressus Arizonica and Assessment of Photocatalytic and Antibacterial Efficiency by Üstün Özgür, Mahmure, Ortadoğulu, Ebru, Erdemir, Burak, Aydın Kurç, Mine

“…Among the metal oxide nanoparticles, zinc oxide (ZnO) has recently been cited as the new material of the future due to its unique properties and wide…”
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A rapid spectrophotometric method to resolve a binary mixture of food colorants(riboflavine and sunset yellow) by ÖZGÜR, Mahmure, Üstün

“…A very simple and rapid Spectrophotometric method using measurements at zero-crossing wavelength is described for resolving binary mixtures of riboflavine…”
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The simultaneous determination of Quinoline Yellow (E-104) and Sunset Yellow (E-110) in syrups and tablets by second derivative spectrophotometry by KOYUNCU, İkbal, ÖZGÜR, Mahmure, Üstün

“…A very simple spectrophotometric method using measurements at zero-crossing wavelength is described for resolving binary mixtures of the food dyes, Sunset…”
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A spectrophotometric method for the determination of prazosin hydrochloride in tablets by ÖZGÜR, Mahmure,Üstün, SUNGUR, Sıdıka

“…A rapid and sensitive analytical method was developed for the spectrophotometric assay of prazosin hydrochloride. The method is based on the formation of a…”
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Determination of ascorbic acid in vegetables by derivative spectrophotometry by ÇETİN, Sevil Müge, ÖZGÜR, Mahmure, Üstün, AYDOĞMUŞ, Zeynep

“…Determination of ascorbic acid (AA) in garlic, green pepper and chestnut was performed by derivative spectrophotometry without using any pre-separation or…”
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Crystal Structure of (3)-3-[(4-Ethoxyphenyl)imino]-1,3-dihydro-2H-indol-2-one by HÖKELEK, Tuncer, ERÇAG, Ayse, ÇORUH, Ufuk, VAZQUEZ-LOPEZ, Ezequiel, ÖZGÜR, Mahmure Üstün

“…In the title compound, C16H14N2O2, the dihedral angles between pyrrole and benzene rings are 1.66(9) and 83.25(8)[Degree]. Intermolecular N-H...N and C-H...O…”
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A SPECTROPHOTOMETRIC METHOD FOR THE DETERMINATION OF PRAZOSIN HYDROCHLORIDE IN TABLETS by Özgür, Mahmure Üstün, Sungur, Sidika

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Determination of ternary mixtures of vitamins (B1, B6, B12) by zero-crossing derivative spectrophotometry by KOYUNCU, İkbal, ÖZGÜR, Mahmure Üstün

“…A new method for determining ternary mixtures of vitamin $B_1$, $B_6$ and $B_12$ using second derivative spectrophotometry is described. The procedure is…”
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