Güncel Gönderiler: Kimya-Makale Koleksiyonu
Toplam kayıt 676, listelenen: 61-80
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Biological activities of some Salvia species
(Walter De Gruyter GMBH, 2021)In this study, total phenolic, flavonoid and protein contents, antiradical capacities, antibacterial and cytotoxic properties of five different Salvia species (Salvia macrochlamys Boiss., Salvia kronenburgii Rech.f., Salvia ... -
Adsorption of methylene blue on imine modified sepiolite from aqueous solutions
(Parlar Scientific Publications (P S P), 2021)In this study, a modified sepiolite for methylene blue (MB) adsorption was designed. Modification of sepiolite was performed using N,N-dimethy1-4-(((3-(triethoxysilyl)propyl)imino)methyl)aniline (MESPIA) in the presence ... -
Characterization of activated carbons prepared from almond shells and their hydrogen storage properties
(Amer Chemical Soc, 2021)In this study, activated carbons with a well-developed porous structure and high surface area were prepared from almond shells by chemical activation using zinc chloride and microwave irradiation methods under a nitrogen ... -
Synthesis and characterization of poly(acrylic acid)/nanohydroxyapatite nanocomposite hydrogels and evaluation of its antibacterial, bio- and hemo-compatibility characteristics
(Taylor & Francis, 2021)PAA/nHAp was synthesized by solvent casting method and characterized by different techniques. nHAp was homogeneously dispersed in nano-sized in PAA matrix. The thermal properties and glass transition temperatures of ... -
Effect of lead metaborate as novel nanofiller on the ballistic impact behavior of Twaron (R) /epoxy composites
(Elsevier, 2021)In the present work, lead metaborate nanoparticles (55 +/- 10 nm) as a novel type of nano-fillers was used in order to increase the ballistic performance of aramid fabrics. The nanoparticles were synthesized by co-precipitation ... -
Mesoporous carbon spheres produced by hydrothermal carbonization from rice husk: Optimization, characterization and hydrogen storage
(Elsevier, 2021)n this study, carbon spheres were synthesized from rice husk with hydrothermal carbonization method at different temperatures and different reaction times. Surface areas and pore size distributions of carbon spheres were ... -
Geochemical phases of soil and the bioaccessibility of some elements in soils and vegetables from boron mines
(Springer, 2021)The bioaccessibility of some elements (As, B, Cd, Cu, Fe, Mn, Ni and Zn) in soils and vegetables was determined using the physiologically based extraction test. An investigation of the geochemical phases of soils through ... -
Effect of sodium dodecyl sulfate on thermal properties of polyvinyl alcohol (PVA)/modified single-walled carbon nanotube (SWCNT) nanocomposites
(Elsevier, 2021)This work was first started by modifying the single-walled carbon nanotube (SWCNT) with hydroxylation and silane reactions. Then, poly(vinyl alcohol) (PVA)/p-SWCNT, PVA/modified p-SWCNT, PVA/SDS/p-SWCNT and PVA/SDS/modified ... -
Characterization and thermal properties of chitosan/perlite nanocomposites
(Walter De Gruyter GMBH, 2021)In this study, chitosan/perlite nanocomposites were synthesized using the solvent casting method and then characterized using Fourier transform infrared spectroscopy, X-ray diffraction, optical contact angle, differential ... -
Synthesis, characterization and enviromental application of grafted silica gel
(Parlar Scientific Publications (P S P), 2020)The aims of this study are i.to modify the silica gel (SG) surface with N-(2-methoxybenzylidene)-3-(triethoxysily)propan-1-amine (MBTPA) to improve the adsorption properties of SG, ii. to characterize the modified sample ... -
The effects of cardiac drugs on human erythrocyte carbonic anhydrase I and II isozymes
(Taylor and Francis Ltd, 2020)Cardiovascular diseases are the leading cause of mortality worldwide. In recent years, the relationship between carbonic anhydrase inhibitors and atherosclerosis has attracted attention. In this study, we aimed to determine ... -
The effect of halogen substitution on the bowl-to-bowl inversion, molecular structure and electronic properties of sumanene
(Univ Babes-Bolyai, 2020)Halogen (X: F, Cl, and Br) substituted sumanene derivatives were subjected to a detailed computational study, exploring the molecular structure, bowl-depths, bowl-to-bowl inversion dynamics, and electronic properties. ... -
Inhibitory effects of anticancer drugs on cytosolic carbonic anhydrase isozymes
(Parlar Scientific Publications (P S P), 2020)Anticancer drugs are widely used cancer treatment. Human carbonic anhydrase I and II were shown widely distribution with erythrocytes so it is important to understand how effect is anticancer drugs these isozymes. In this ... -
Grafted silica gel for removal of heavy metal ions
(Parlar Scientific Publications (P S P), 2020)In this study, the silica gel (SG) surface was activated and then, immobilized with N-(2-chlorobenzylidenc)-3-(triethoxysil)propan-1 -amine (CBTPA) to improve its adsorption properties against heavy metal ions. The prepared ... -
Novel β-lactam compounds as activators for polyphenoloxidase
(Wiley V C H Verlag GMBH, 2020)A copper-containing enzyme polyphenol oxidase (other name is tyrosinase) plays crucial role in melanin biosynthesis, as a compound responsible for human pigmentation. Non controlled loss of melanin can cause hypopigmentation ... -
Synthesis and optical characterization of bipod carbazole derivatives
(Walter De Gruyter GMBH, 2020)In this study, some new biscarbazole derivatives were synthesized for the purpose of being used in OLED technologies and related areas. The following compounds: {1,2-bis(2-(3,6-diphenyl-9H-carbazole-9-yl) ethoxy)ethane ... -
Evaluation of carbonic anhydrase and paraoxonase inhibition activities and molecular docking studies of highly water-soluble sulfonated phthalocyanines
(Scientific Technical Research Council Turkey-Tubitak, 2020)The investigation of carbonic anhydrase and paraoxonase enzyme inhibition properties of water-soluble zinc and gallium phthalocyanine complexes (1 and 2) are reported for the first time. The binding of p-sulfonylphenoxy ... -
Inhibition effect of some chemical on lactoperoxidase and covalently immobilized on a biocomposite for biosensor
(Parlar Scientific Publications (P S P), 2020)Lactoperoxidase was purified from bovine milk using ammonium sulfate precipitation and affinity chromatography. The greatest purification fold for lactoperoxidase has been obtained as 1302.65 folds with 24.95 % yields. The ... -
Synthesis and characterization of well-dispersed amorphous LnBO(3)center dot 3H(2)O (Ln: Dy, Tb) nanoparticles
(Springer International Publishing Ag, 2020)Lanthanide nanoborates (LnBO(3)center dot 3H(2)O (Ln: Dy, Tb)) were prepared in the presence of polyethylene glycol (PEG) using a buffered-precipitation method. The same procedure was performed without adding PEG to expose ... -
Synthesis, structural characterization and biological evaluation of novel mixed-ligand Co(II) complexes as quorum sensing inhibitory agent
(Elsevier, 2020)Antibiotic resistance is one of the biggest health problems of the twenty-first century. In order to cope with this global problem, alternative preventive strategies such as quorum sensing interruption are needed. Therefore, ...
