Showing 1-24 of 24 results for "440183"
Farzad Latifeh et al.
Environmental science and pollution research international, 23(5), 4411-4421 (2015-10-28)
In the present study, ionic liquid-modified silica-coated magnetic nanoparticles (Fe3O4@SiO2@IL) were synthesized and applied as adsorbents for extraction and determination of paraquat (PQ) followed by high-performance liquid chromatography. For assurance of the extraction efficiency, the obtained results were compared with...
Grafting of molecularly imprinted polymers on iniferter-modified carbon nanotube.
Lee HY and Kim BS
Biosensors And Bioelectronics, 25(3), 587-591 (2009)
Dawid Lewandowski et al.
PloS one, 10(7), e0132541-e0132541 (2015-07-08)
Gallic acid has been covalently conjugated to SBA-15 mesoporous silica surface through different linkers. Cytotoxic activity of the hybrid organic-inorganic systems against HeLa and KB cell lines has been analyzed. Up to 67% of HeLa or KB tumor cells growth...
Hamed Farzi-Khajeh et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1061-1062, 26-33 (2017-07-14)
Recent studies of magnetic carrier technology have focused on its applications in separation and purification technologies, due to easy separation of the target from the reaction medium by applying an external magnetic field. In the present study, Fe
Guifang Wang et al.
Nanomaterials (Basel, Switzerland), 9(2) (2019-01-30)
In the present work, we describe a facile and general method of fabricating fluorescent inorganic nanoparticles with diverse shapes for cell imaging application. The hematite (α-Fe₂O₃) nanoparticles (HNPs) with three different shapes (i.e., spindle shape, ellipsoidal shape and quasi-spherical shape)...
Quan Bai et al.
Talanta, 185, 89-97 (2018-05-16)
Ionic liquids (ILs) immobilized on silica as a novel high-performance liquid chromatography (HPLC) stationary phase have attracted considerable attentions. However, it has not been applied to protein separation. In this paper, N-methylimidazolium IL-modified silica-based stationary phase (SilprMim) was prepared and...
Renewable column on-line magnetic preconcentration of Cd(II) using Fe3O4 nanoparticles functionalized with l-glutamine for determination by flame atomic absorption spectrometry.
Rocha, et al.
Talanta, 222, 121519-121519 (2020)
Marie-Alexandra Neouze et al.
Monatshefte fur chemie, 143(4), 519-525 (2012-01-01)
A newly arising challenge in the field of nanoparticle research concerns the control and the understanding of the interparticle interactions and interparticle properties. This should allow the development of materials based on nanoparticle assemblies which represents a great opportunity to...
New, effective method of synthesis and structural characterization of octakis (3-chloropropyl) octasilsesquioxane
Marciniec B, et al.
Organometallics, 27(4), 793-794 (2008)
Mahshid Defaei et al.
International journal of biological macromolecules, 113, 354-360 (2018-02-28)
Enzyme immobilized on magnetic nanoparticles (MNPs) can be used as efficient recoverable biocatalysts under strong magnetic responses. In the present work, α-amylase was immobilized onto naringin functionalized MNPs via ionic interactions. For this purpose, the MNPs were functionalized with naringin...
Salwa A Ahmed et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 31(10), 1047-1054 (2015-10-16)
The use of a microwave assisted solvent-free technique for silica coating of iron magnetic nanoparticles (Fe3O4-MNPs) and their functionalization with three aliphatic diamines: 1,2-ethylenediamine (1,2EDA), 1,5-pentanediamine (1,5PDA) and 1.8-octanediamine (1,8-ODA), were successfully achieved in a very short time. Only 60...
Ke-Feng Wang et al.
Chembiochem : a European journal of chemical biology, 19(7), 654-659 (2018-01-16)
2,5-Furandicarboxylic acid (FDCA) is a bio-based platform chemical for the production of polyethylene furanoate (PEF) and other valuable furanic chemicals. A magnetic laccase catalyst with (2,2,6,6-tetramethyl-piperidin-1-yl)oxyl (TEMPO) as the mediator has the remarkable capability of oxidizing 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic...
DABCO-modified super-paramagnetic nanoparticles as an efficient and water-compatible catalyst for the synthesis of pyrano (3, 2-c: 5, 6-c') dichromene-6, 8-dione derivatives under mild reaction conditions.
Heydari Z, et al.
Applied Organometallic Chemistry, 205(4), e4561-e4561 (2018)
Gabriela Corazza et al.
Journal of chromatography. A, 1513, 42-50 (2017-07-25)
In this study, the hybrid material 3-n-propyl(3-methylpyridinium) silsesquioxane chloride (Si3Py
Relation between the wetting effect and the adsorbed amount of water-soluble polymers or proteins at various interfaces.
Pandey LM and Pattanayek SK
Journal of Chemical and Engineering Data, 58(12), 3440-3446 (2013)
C R Ehgartner et al.
Dalton transactions (Cambridge, England : 2003), 46(27), 8809-8817 (2017-03-30)
Flexible inorganic-organic silica aerogels based on methyltrimethoxysilane (MTMS, CH
Elham Sadat Hosseini et al.
Talanta, 221, 121445-121445 (2020-10-21)
In this research, 9-methylacridine and 9-undecylacridine were synthesized through Bernthsen's reaction and well characterized using gas chromatography-mass spectrometry (GC-MS) and nuclear magnetic resonance (NMR). Two mixed-mode stationary phases were developed by functionalizing silica with 9-methylacridine and 9-undecylacridine. Then, two modified...
One-pot synthesis and modification of silica nanoparticles with 3-chloropropyl-trimethoxysilane assisted by microwave irradiation.
De Conto JF, et al.
Chemical Engineering Communications , 205(4), 533-537 (2018)
Mohammad Darvishnejad et al.
Talanta, 199, 547-555 (2019-04-07)
In the present study, a low-cost, convenient and reliable thin film coating was developed as the extraction phase. The new sorbent was obtained by chemical bond formation between the hybrid sol-gel precursors and aluminum strip substrate in the first step...
Nardine S Abadeer et al.
ACS nano, 8(8), 8392-8406 (2014-07-26)
Plasmonic nanoparticles can strongly interact with adjacent fluorophores, resulting in plasmon-enhanced fluorescence or fluorescence quenching. This dipolar coupling is dependent upon nanoparticle composition, distance between the fluorophore and the plasmonic surface, the transition dipole orientation, and the degree of spectral...
Susan Sadeghi et al.
Environmental monitoring and assessment, 187(12), 725-725 (2015-11-04)
In this work, N-methylimidazolium-chloride ionic liquid functionalized silica was prepared and used as an anion-exchange stationary phase for separation of chromium species by high-performance liquid chromatography (HPLC) with UV detection at 200 nm. The Cr(VI) as HCr2O7(-) and chelated Cr(III)...
Investigation on the dielectric properties of titanium-loaded ionic liquid-based nano-organosilica as a novel material.
Vaziri B, et al.
Advanced Powder Technology, 29(3), 813-817 (2018)
Hengye Li et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 34(4), 433-438 (2018-04-13)
Surface-initiated anionic-ring-opening multibranching polymerization was employed to prepare a hyperbranched polyglycerol (HPG) functionalized silica stationary phase for hydrophilic interaction liquid chromatography (HILIC). The obtained stationary phase was characterized by Fourier-transform infrared spectrometry (FT-IR) and thermogravimetric analysis (TGA). The chromatographic properties...
Durali Mendil et al.
Food chemistry, 221, 1394-1399 (2016-12-17)
A novel and simple solid phase extraction method was improved and recommended for selenium. Silica gel was modified with 2,6-diamino-4-phenil-1,3,5-triazine and characterized by FTIR, SEM and elemental analysis and used adsorbent for column solid phase extraction of selenium ions. The...

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