Erişim şekli için "info:eu-repo/semantics/openAccess" Kimya Bölümü listeleme
Toplam kayıt 53, listelenen: 21-40
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HPLC fluorescence determination of ochratoxin A utilizing a double internal standard and its application to poultry feed
(2015)Abstract: A validated liquid chromatography method employing a fluorescence detector for the determination of ochratoxin A (OTA) was developed with double internal standard and it was applied to ten different poultry feeds. ... -
Ion-imprinted thermosensitive polymers for $Fe^ {3+}$ removal from human plasma
(2008)Thermosensitive gels have attracted a great deal of attention for the applications of drug delivery systems, actuators, separation and removal of biological compounds and metals. Poly(N-isopropylacrylamide) (poly(NIPA)), ... -
Kitosan'ın İn vitro Koşullarda Listeria monocytogenes Üzerine Etkisi
(2016)Bu çalışmanın amacı, farklı moleküler ağırlıktaki kitosan solusyonlarının mayonez bazlı salatalardan elde edilen üç Listeria monocytogenes saha izolatı ile L. monocytogenes (ATCC 7644) referans suşu üzerindeki etkilerini ... -
Klorofil A ve B'nin ışığa bağımlılığının petrol eteri,metanol ve su çözücülerinde yapı kararlılığının incelenmesi
(2004)Bu çalışmada klorofil a ve b'nin ışığa bağımlılığının petrol eteri, metanol, su çözücülerinde yapı kararlılıkları UV-görünür bölge spektrofotometre yardımıyla incelenmistir. Yaptığımız çalışmalarda klorofil a ve b'nin ... -
Klorofil A'nın pH'ya bağımlı $H_2O_2$, $(CH_3)_3COOH$ ve NaOCI oksidantlarına karşı yapı kararlılığının incelenmesi
(2004)Bu çalışmada klorofil a'nın pH 1-14 arlığında oksidantsız ve hidrojen peroksit, tert-bütil hidroperoksit ve sodyum hipoklorite karşı yapı kararlılıkları 30 °C'de incelenmistir. Klorofil a'nın farklı oksidantlardaki parçalanma ... -
Klorofil B'nin pH'ya bağımlı $H_2O_2$,$(CH_3)_3COOH$ ve NaOCI oksidanlarına karşı yapı kararlılığının incelenmesi
(2004)Bu çalışmada klorofil b'nin pH 1-14 aralığında oksidantsız ortamda ve $H_2O_2$,$(CH_3)_3COOH$ ve NaOCl oksidantlarına yapı kararlılıkları UV-görünür bölge spektrofotometre yardımıyla incelenmistir. Farklı pH'larda inceledigimiz ... -
Lead Biosorption By a Moderately Halophile Penicillium Sp. Isolated From Çamalti Saltern in Turkey
(2016)Ağır metallerin farklı organizmalarla biyosorbsiyonunun önemi sebebiyle Çamaltı tuzlasından izole edilen tuza toleranslı (halotolerant) fungusun biyosorbsiyon potansiyeli bu çalışma ile ilk kez araştırılmıştır. Penicillium ... -
New Thiophene Bearing Dimethyl-5-Hydroxy Isophtalate Esters and Their Antimicrobial Activities
(2018)Thiophene belongs to a class of heterocyclic compounds. In this study, three new dimethyl-5-hydroxy isophtalate derived thiophene esters were successfully synthesized and characterized by FT-IR, Elementel Analysis, 1H-NMR, ... -
(NHC)-Pd(II) complexes with hydrophilic nitrogen ligands: catalytic properties in neat water
(2013)The cleavage reactions of the dimers [(NHC)PdX2 ] 2 with hydrophilic N-donors, L, a?orded the mixedligand complexes of the type trans-[(NHC)LPdX2 ] (X = Cl or Br; NHC = 1,3-dialkylbenzimidazol-2-ylidene (BIm) or ... -
Novel N-vinylimidazole based copolymeric hydrogels: Synthesis, characterization and swelling properties
(Gazi University, Fac Engineering Architecture, 2019)In this study, novel N-vinylimidazole based copolymeric hydrogels were synthesized by free radical solution polymerization. In the presence of N, N'-methylenebisacrylamide and 2,2'-azo-bis-isobutyronitrile as crosslinking ... -
Performance of dye-affinity beads for aluminium removal in magnetically stabilized fluidized bed
(2004)Background: Aluminum has recently been recognized as a causative agent in dialysis encephalopathy, osteodystrophy, and microcytic anemia occurring in patients with chronic renal failure who undergo long-term hemodialysis. ... -
Potentiometric titration of some imidazole derivatives in nonaqueous solvent
(1996)The acidity constants of 4,5-diphenyl imidazole, 2,4,5-triphenyl imidazole, and 2,4,5-triphenyl imidazole derivatives in nitrobenzene, acetonitrile and glacial acetic acid were determined. Perchloric acid, prepared in ... -
Preconcentration of Fe(III) using Fe(III)-Ion imprinted polymeric traps and its analytical performance for FAAS
(2007)Novel Fe(III)-imprinted beads were prepared by molecular imprinting technique for selective solid-phase extraction (SPE) of Fe(III) ions prior to its determination by flame atomic absorption spectrometry (FAAS). The ... -
PROMOTED HYDROLYSIS OF SOME ORGANOPHOSPHATE ESTERS USING SUPPORTED [Cu(tmen)OH(OH)]+
(2017)In this study, tetramethylethylenediamine copper(II) complex (Cu(tmen)Cl2) was synthesized and natural clay smectite and synthetic Dowex-50WX8resin containing Cu(tmen)(OH)(OH2)+ were prepared via ion exchange process in ... -
Reaktif organobentonit katkıların sert poliüretan köpüğün bazı performans özellikleri üzerine etkisi
(2017)Bu çalışmada; bentonit, amin ve hidroksil fonksiyonelliğine sahip bileşikler ile modifiye edilmiş ve eldeedilen organobentonitler sert poliüretan köpük nanokompozit (SPKN) sentezinde katkı olarakkullanılmışlardır. Poliüretan ... -
Removal of Acid Blue 294 (AB294) dye from aqueous solutions by using lichen Umbilicaria decussata biomass
(2016)Bu çalışmada liken Umbilicaria decussata biyokütlesinin sulu çözeltilerde AB294'e karşı bağlanma davranışı araştırılmıştır. AB294 bağlanmasına pH, başlangıç AB294 konsantrasyonu, zaman ve sıcaklığın etkisi incelenmiştir. ... -
Selective and Sensitive Electrochemical Sensing of Serotonin in Human Blood Serum By Means of Electrochemically Treated Pencil Graphite Electrode
(2016)Serotonin (SER) is an important monoamino-neurotransmitter found in body fluids. The determination of SER is a very important issue because its concentration behaves as an indicator in the diagnosis of many illnesses. ... -
Selective preconcentration of Fe3+ using ion-imprinted thermosensitive particles
(2010)Molecular imprinting is a form of template polymerization which has been used to produce artificial binding sites in porous polymer particles that exhibit selective rebinding of the imprint or template molecules used in ... -
Selective separation of thiocyanate ion by ion-imprinted polymer
(2009)Molecular imprinting is a emerging technology to create recognition sites in a polymeric matrix using a molecular template. The molecularly imprinted polymers (MIPs) are easy to prepare, stable, inexpensive and capable of ...