Güncel Gönderiler: Kimya Bölümü
Toplam kayıt 724, listelenen: 561-580
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Comparison of serum paraoxonase 1 (pon1) activities among different sheep breeds in Turkey
(Medwell Online, 2011)Paraoxonase 1 (PON1, EC 3.1.8.1) is a calcium dependent mammalian enzyme that is synthesized primarily in the liver and is secreted into the serum where it is associated with High Density Lipoproteins (HDLs) and has a ... -
In vitro effects of some antibiotics on enzyme activity of carbonic anhydrase from bovine erythrocytes
(Parlar Scientific Publications (P S P),, 2011)The purpose of this study was to investigate the in vitro effects of six commonly used veterinary medical drugs (Killoxacin (TM), Gentavet (TM), Geosol (TM), Primoxal (TM), Lypectin (TM) and Penoksal-la (TM)) on erythrocyte ... -
In vitro effects of some pesticides on pon1q192 and pon1r192 isoenzymes from human serum
(Parlar Scientific Publications (P S P),, 2011)Human serum paraoxonase 1 (PON1) contains two polymorphic forms, Q (glutamine) or R (arginine) located at codon 192. The Q isoform has a higher activity for hydrolysis of diazoxon, sarin, and soman; whereas the R isoform ... -
Hydrothermal synthesis and characterization of non-linear optic potassium pentaborate(KB5)
(Amer Inst Physics, 2011)Alkali metal borates having outstanding pyhsical properties have drawn much concern, both theoretically and experimentally. Potassium pentaborate stands out of such borates owing to usage of non-linear optics(NLO) [1]. The ... -
Determination of rare earth elements in seawater by inductively coupled plasma mass spectrometry with off-line column preconcentration using 2,6-diacetylpyridine functionalized Amber lite XAD-4
(Elsevier Science Bv, 2011)An off-line column preconcentration technique using a micro-column of 2,6 diacetylpyridine functionalized Amberlite XAD-4 with inductively coupled plasma mass spectrometry (ICP-MS) as a means of detection has been developed. ... -
Influence of constituents on thermal properties of polymethacrylate derivatives-clay materials
(Wiley-Blackwell, 2011)In this study, the solution-mixing method was used to prepare polymethacrylate derivatives' (PaMAs) nano-composites with kaolinite. It was observed that the resultant materials could include exfoliated, intercalated, and ... -
In vitro gastro-intestinal method for the assessment of heavy metal bioavailability in contaminated soils
(Springer Heidelberg, 2011)Introduction Balya and its associated villages which is a town of the Balikesir region of Turkey have very rich zinc, lead, and manganese mines. These mines have been operating since the thirteenth century and now there ... -
Novel purification strategy for paraoxonase enzyme
(Wiley-Blackwell, 2011)Human serum paraoxonase (PON1, EC 3.1.8.1.) is a high-den-sity lipid (HDL)-associated, calcium-dependent enzyme; its physi-ological substrates are not known. Paraoxonase bound to HDLis an important liver enzyme responsible ... -
Zinc(II) and mercury(II) complexes of pyrazole-based NNN-type ligands: Syntheses, X-ray structures, thermal analyses and DFT studies
(Wiley,, 2011)Monomeric zinc(II) and mercury(II) complexes containing tripodal nitrogen donor ligand 2,6-bis(3,4,5-trimethyl-N-pyrazolyl)pyridine (btmpp) were synthesized, and characterized by elemental and spectroscopic (IR, UV/Vis) ... -
In situ IR monitoring of complexation reaction between 2,6-bis(3,5-dimethylpyrazoyl)pyridine and some metal ions
(Elsevier Science Bv, 2011)In situ complexation reactions between 2,6-bis(3,5-dimethylpyrazoyl)pyridine (bdmpp) and some transition metals (Cu(2+), Co(2+) and Ni(2+)) were studied with a new method in liquid cell using FT-IR. In this method, the ... -
Characterization and inhibition of Rosmarinus officinalis L. polyphenoloxidase
(Springer, 2011)Polyphenoloxidase (PPO) from Rosmarinus officinalis L. was fractionated by ammonium sulfate ((NH4)(2)SO4) precipitation and dialysis, and then some of its kinetic properties such as optimum pH and temperature, substrate ... -
Effect of ammonium sulphate on the activities of paraoxonase isoenzymes Q and R
(Asian Journal of Chemistry, 2011)Paraoxonase isoenzymes exists in 2 polymorphic forms, Q (glutamine) or R (arginine) at codon 192. The Q isoform has a higher activity for hydrolyze of diazoxon, sarin and soman; whereas the R isoform has a higher activity ... -
Superparamagnetic latex synthesized by a new route of emulsifier-free emulsion polymerization
(Wiley-Blackwell, 2011)The aim of this study was to design polymeric nanospheres containing magnetic nanoparticle which could display superparamagnetic behavior and thus find application in allied fields. First magnetite nanoparticles were ... -
Carbonic anhydrase inhibitors: purification and inhibition studies of pigeon (Columba livia var. domestica) red blood cell carbonic anhydrase with sulfonamides
(Informa Healthcare, 2011)A carbonic anhydrase (CA, EC 4.2.1.1) from red blood cells of pigeons (Columba livia var. domestica), clCA, was purified to homogeneity. Its kinetic parameters for the CO(2) hydration reaction were measured. With a k(cat)/K(m) ... -
Synthesis, metal ion complexation and computational studies of thio oxocrown ethers
(MDPI AG, 2011)The synthesis of some thio-oxocrown ether ligands, B1 (1,4-dithio-12-crown-4), B2 (1,7-dithio-12-crown-4), B3 (1,7-dithio-15-Crown-5), B4 (1,7-dithio-18-crown-6), B5 (1,10-dithio-18-crown-6), B6 (1,10-dithio-21-crown-7), ... -
The azoarcus group i intron ribozyme misfolds and is accelerated for refolding by atp-dependent rna chaperone proteins
(Amer Soc Biochemistry Molecular Biology Inc, 2011)Structured RNAs traverse complex energy landscapes that include valleys representing misfolded intermediates. In Neurospora crassa and Saccharomyces cerevisiae, efficient splicing of mitochondrial group I and II introns ... -
Optical characterization and organic vapor sensing application of perylendiimide Langmuir-Blodgett thin films
(NATL INST Optoelectronics, 2016)The Langmuir-Blodgett (LB) technique was employed to produce thin LB films using N,N'-(glycine tert-butylester)-3,4,9,10-perylenediimide (FY1) material on gold coated glass. The characteristics of the perylenediimide FY1 ... -
Detection of relative dimer and rotamer concentrations of diacetamide in different solvents by FT-IR spectroscopy and DFT calculations
(Elsevier Science Bv, 2011)The relative rotamer, dimer and tautomer concentrations of diacetamide have been studied by means of infrared spectroscopy, with the recorded spectra being analyzed employing results from density functional theory calculations. ... -
Solid state synthesis of calcium borohydroxyapatite
(Elsevier Science Bv, 2011)Calcium borohydroxyapatite was synthesized by the solid-state reaction of colemanite (Ca2B6O11 center dot 5H(2)O) and diamonium hydrogenphosphate ((NH4)(2)HPO4) at 1200 degrees C for 12 h. X-ray diffraction pattern showed ... -
Essential oil composition of twenty-two Stachys species (Mountain tea) and their biological activities
(Elsevier Science Bv, 2011)The essential oils from twenty-two different Stachys species were obtained by hydrodistillation and analyzed by gas chromatography-mass spectrometry (GC-MS). Thirty-nine compounds, which accounted for 70.5-97.8% of the ...
