CN
Search Within
333859
Applied Filters:
Keyword:'333859'
Showing 1-30 of 140 results for "333859" within Papers
Hye Jung Park et al.
Experimental & molecular medicine, 47, e173-e173 (2015-07-18)
Silica nanoparticles (SNPs) are widely used in many scientific and industrial fields despite the lack of proper evaluation of their potential toxicity. This study examined the effects of acute exposure to SNPs, either alone or in conjunction with ovalbumin (OVA)
A Soltan Monem et al.
International journal of pharmaceutics, 470(1-2), 1-7 (2014-05-06)
The efficacy of the combined chemo-photothermal therapy, using a mesoporous silica-coated gold nanorods loaded DOX (pGNRs@mSiO2-DOX), was consistently tested both in vitro and in vivo. The prepared nanoparticles that were characterized using transmission electron microscopy (TEM), UV-vis absorption spectroscopy and
Angela Ivask et al.
Current topics in medicinal chemistry, 15(18), 1914-1929 (2015-05-12)
The knowledge on potential harmful effects of metallic nanomaterials lags behind their increased use in consumer products and therefore, the safety data on various nanomaterials applicable for risk assessment are urgently needed. In this study, 11 metal oxide nanoparticles (MeOx
Nils R Blumenthal et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(45), 16124-16129 (2014-10-29)
Extracellular soluble signals are known to play a critical role in maintaining neuronal function and homeostasis in the CNS. However, the CNS is also composed of extracellular matrix macromolecules and glia support cells, and the contribution of the physical attributes
David J Dickson et al.
Colloids and surfaces. B, Biointerfaces, 102, 611-619 (2012-10-30)
Divalent nickel (Ni(2+)), Cu(II)EDTA, methyl orange, and dichromate were used to investigate diffusion from hydrated silica sol-gel monoliths. The objective was to examine diffusion of compounds on a size regime relevant to supporting biological components encapsulated within silica gel prepared
Daniela Pinna et al.
The Science of the total environment, 423, 132-141 (2012-03-10)
In this study, some mixtures of consolidants or water-repellent products and biocides developed to prevent biological growth, were tested over time on three stone substrates with different bioreceptivity. The performance of both traditional (tetraethylorthosilicate, methylethoxy polysiloxane, Paraloid B72, tributyltin oxide
Daniela Paunescu et al.
ACS nano, 9(10), 9564-9572 (2015-08-11)
The concentrations of nanoparticles present in colloidal dispersions are usually measured and given in mass concentration (e.g. mg/mL), and number concentrations can only be obtained by making assumptions about nanoparticle size and morphology. Additionally traditional nanoparticle concentration measures are not
Mohankandhasamy Ramasamy et al.
International journal of nanomedicine, 9, 3707-3718 (2014-08-22)
The wide-scale applications of zinc oxide (ZnO) nanoparticles (NPs) in photocatalysts, gas sensors, and cosmetics may cause toxicity to humans and environments. Therefore, the aim of the present study was to reduce the toxicity of ZnO NPs by coating them
Yang Si et al.
Nature communications, 5, 5802-5802 (2014-12-17)
Three-dimensional nanofibrous aerogels (NFAs) that are both highly compressible and resilient would have broad technological implications for areas ranging from electrical devices and bioengineering to damping materials; however, creating such NFAs has proven extremely challenging. Here we report a novel
Rachel Morrison et al.
Pharmaceutical research, 31(10), 2904-2917 (2014-05-06)
To design and synthesize chemoembolization particles for the delivery of Ophiobolin A (OphA), a promising fungal-derived chemotherapeutic, directly at the tumour location. To investigate cell death mechanism of OphA on a Rhabdomyosarcoma cancer (RD) cell line. Rhabdomyosarcoma is the most
Yonghai Song et al.
The Analyst, 140(2), 623-629 (2014-11-27)
A simple strategy to fabricate a fluorescent SiO2@zeolitic imidazolate framework-8 (ZIF-8) core-shell nanosensor for Cu(2+) detection was demonstrated in this work. The nanosensor was synthesized using carboxyl-functionalized SiO2 nanoparticles (SiO2 NPs) as a template to induce the growth of ZIF-8
Vesna Petrovska-Jovanovska et al.
International journal of pharmaceutics, 484(1-2), 75-84 (2015-02-25)
In this study, hybrid silica xerogel particles were developed as carriers of budesonide (BDS) for efficient local treatment of inflammatory bowel diseases (IBD). Organically modified silica particles (ORMOSILs) were prepared by co-condensation of 3-aminopropyltriethoxysilane (APTES) and tetraethyl orthosilicate (TEOS) by
Qian Yee Ang et al.
Analytical and bioanalytical chemistry, 407(22), 6747-6758 (2015-07-15)
Molecular imprinting is an emerging technique to create imprinted polymers that can be applied in affinity-based separation, in particular, biomimetic sensors. In this study, the matrix of siloxane bonds prepared from the polycondensation of hydrolyzed tetraethoxysilane (TEOS) was employed as
Céline Hubert et al.
Faraday discussions, 181, 139-146 (2015-04-30)
Silica particles with a controlled number of entropic patches, i.e. dimples, are synthesized through the growth of the silica core of binary multipods that have been produced by a seeded-growth emulsion polymerization reaction. Transmission electron microscopy studies indicate that the
Pinghua Ling et al.
Biosensors & bioelectronics, 71, 373-379 (2015-05-08)
An electrochemical DNA sensor was developed based on the electrocatalysis of porphyrinic metal-organic framework (MOF) and triple-helix molecular switch for signal transduction. The streptavidin functionalized zirconium-porphyrin MOF (PCN-222@SA) was prepared as signal nanoprobe via covalent method and demonstrated high electrocatalysis
Sarika Goel et al.
Journal of the American Chemical Society, 136(43), 15280-15290 (2014-10-15)
The encapsulation of metal clusters (Pt, Ru, Rh) within MFI was achieved by exchanging cationic metal precursors into a parent zeolite (BEA, FAU), reducing them with H2 to form metal clusters, and transforming these zeolites into daughter structures of higher
Subhraseema Das et al.
International journal of biological macromolecules, 79, 856-863 (2015-06-10)
pH-Responsive hydrogel systems based on guar gum (GG), poly(acrylic acid) (PAA) and β-cyclodextrin (CD) using a non-toxic crosslinker, tetraethyl orthosilicate for intestinal delivery of dexamethasone (DX) has been reported. Hydrogels of different compositions were synthesized and evaluated for the controlled
Julietta V Rau et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 103(8), 1621-1631 (2015-01-06)
The aim of this work was to deposit silicon-substituted hydroxyapatite (Si-HAp) coatings on titanium for biomedical applications, since it is known that Si-HAp is able to promote osteoblastic cells activity, resulting in the enhanced bone ingrowth. Pulsed laser deposition (PLD)
Ciceron Ayala-Orozco et al.
Journal of controlled release : official journal of the Controlled Release Society, 191, 90-97 (2014-07-23)
There is an unmet need for efficient near-infrared photothermal transducers for the treatment of highly aggressive cancers and large tumors where the penetration of light can be substantially reduced, and the intra-tumoral nanoparticle transport is restricted due to the presence
Hongliang He et al.
Analytical and bioanalytical chemistry, 407(2), 509-519 (2014-11-15)
Highly selective molecularly imprinted mesoporous silica polymer (SBA-15@MIP) for baicalein (BAI) extraction was synthesized using a surface molecular imprinting technique on the SBA-15 supporter. Computational simulation was used to predict the optimal functional monomer for the rational design of SBA-15@MIP.
Behzad Haghighi et al.
Materials science & engineering. C, Materials for biological applications, 52, 219-224 (2015-05-09)
A novel nonenzymatic sensor was developed for glucose detection by the use of ionic liquid derived fibrillated mesoporous carbon (IFMC) decorated with palladium nanoparticles (PdNPs). PdNPs were uniformly decorated on IFMC and then the prepared nano-hybrid material (Pd@IFMC) was drop
K C Barick et al.
Dalton transactions (Cambridge, England : 2003), 44(33), 14686-14696 (2015-07-29)
Magnetic luminescent hybrid nanostructures (MLHN) have received a great deal of attention due to their potential biomedical applications such as thermal therapy, magnetic resonance imaging, drug delivery and intracellular imaging. We report the development of bifunctional Fe3O4 decorated YPO4:Eu hybrid
Elena V Parfenyuk et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 88(3), 1038-1045 (2014-10-02)
Biodegradable, controlled-release carrier materials with non-toxic degradation products are very valuable for delivery of cardiovascular drugs. This study is a part of development of novel form of vasodilator molsidomine to improve pharmacokinetic and consumer properties of the drug. It focuses
Lei Tan et al.
Journal of chromatography. A, 1411, 69-76 (2015-08-11)
The major challenges in measuring plasma renin activity (PRA) stem from the complexity of biological matrix, as well as from the instability and low circulating concentration of angiotensin. In this study, an ultra-high performance liquid chromatography/tandem mass spectrometry (UPLC-MS/MS) based
Deposition of thick TEOS PECVD silicon oxide layers for integrated optical waveguide applications
Bulla DAP and Morimoto NI
Thin Solid Films, 334, 60-64 (1998)
Mamdoh R Mahmoud et al.
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 91, 141-154 (2014-06-18)
A novel mesoporous silica-coated ferrocyanide (MSCFC) composite was successfully synthesized and evaluated as a dual-function material for simultaneous removal of (137)Cs(+) cations and (99)TcO4(-) anions from aqueous solutions. Sorption behavior of both radionuclides on MSCFC under different experimental conditions has
Maofang He et al.
Talanta, 147, 437-444 (2015-11-26)
In this paper, iminodiacetic acid-Cu(II) functionalized Fe3O4@SiO2 magnetic nanoparticles were prepared and used as new adsorbents for magnetic solid phase extraction (MSPE) of six monoamine neurotransmitters (MNTs) from rabbit plasma. The selective enrichment of MNTs at pH 5.0 was motivated
Lorenzo Fernandez et al.
Journal of molecular modeling, 18(7), 3301-3310 (2012-01-19)
Quantum chemical calculations using density functional theory have been carried out to investigate two chemical pathways for the last step of the hydrolysis of tetraethylorthosilicate (TEOS) in basic catalyzed environment. The two models that are introduced in this study depend
Xuebin Ke et al.
Nanoscale research letters, 9(1), 2492-2492 (2015-06-20)
Metal-enhanced fluorescence (MEF) as a newly recognized technology has been attracting considerable attention and is widely used in fluorescence-based technology. In this paper, we reported a novel distance-dependent MEF and metal-enhanced singlet oxygen generation phenomenon based on silica-coated gold nanorods
Lu Yangfang et al.
Electrophoresis, 36(17), 2120-2127 (2015-05-21)
Submicron, non-porous, chiral silica stationary phase has been prepared by the immobilization of functionalized β-CD derivatives to isocyanate-modified silica via chemical reaction and applied to the pressurized capillary electrochromatography (pCEC) enantio-separation of various chiral compounds. The submicron, non-porous, cyclodextrin-based chiral
Page 1 of 5