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Showing 1-30 of 52 results for "325163" within Papers
Darya V Radziuk et al.
Small (Weinheim an der Bergstrasse, Germany), 6(4), 545-553 (2010-01-29)
Alloyed gold/silver nanoparticles with a core/shell structure are produced from preformed gold and silver nanoparticles during ultrasonic treatment at different intensities in water and in the presence of surface-active species. Preformed gold nanoparticles with an average diameter of 15 +
Jozef Adamcik et al.
Langmuir : the ACS journal of surfaces and colloids, 25(5), 3159-3162 (2009-05-14)
It is shown that temperature-controlled ordered layers of dodecylamine, self-assembled on highly oriented pyrolytic graphite (HOPG), are an appropriate substrate for aligning individual DNA molecules. High resolution atomic force microscopy (AFM) permits visualization of the lamellar structure of dodecylamine on
Tomáš Taubner et al.
International journal of biological macromolecules, 72, 11-18 (2014-08-12)
Carboxymethylcellulose (CMC) was selected as substrate for amidation based on previous results described for monocarboxy cellulose (MCC) with the aim to prepare highly substituted products. In comparison with MCC containing uronic carboxyl groups at C-6 position, O-carboxymethyl groups in CMC
Ahmed A Eltoukhy et al.
ACS nano, 8(8), 7905-7913 (2014-07-11)
Despite intensive research effort, the rational design of improved nanoparticulate drug carriers remains challenging, in part due to a limited understanding of the determinants of nanoparticle entry and transport in target cells. Recent studies have shown that Niemann-Pick C1 (NPC1)
N Othman et al.
Journal of hazardous materials, 198, 103-112 (2011-10-26)
The extraction of Red 3BS reactive dye from aqueous solution was studied using emulsion liquid membrane (ELM). ELM is one of the processes that have very high potential in treating industrial wastewater consisting of dyes. In this research, Red 3BS
S A Gârea et al.
International journal of pharmaceutics, 491(1-2), 299-309 (2015-05-30)
This study proposed a new inorganic host for drug encapsulation. Porous clay heterostructure (PCH), synthesized using modified montmorillonite with hexadecyltrimethylammonium bromide, was used as host material and 5-fluorouracil (5-FU) as guest drug. Drug encapsulation within PCH in different conditions (soaking
Shangyang Li et al.
Soft matter, 14(11), 2112-2117 (2018-03-01)
In order to fabricate a novel supra-amphiphile with multiple stimulus properties, we developed the strategy of introducing a bi-functional linker to bridge the hydrophilic and hydrophobic building blocks together, by utilizing more than one kind of interaction. We characterized the
Tukayi Kudanga et al.
Journal of biotechnology, 149(1-2), 81-87 (2010-07-06)
Enzymatic processes provide new perspectives for modification of lignocellulose materials. In the current study, laccase catalyzed coupling of long chain alkylamines to lignin model molecules and lignocellulose was investigated. Up to two molecules of dodecylamine (DA) and dihexylamine (DHA) were
Tomohiro Bito et al.
FEBS open bio, 4, 722-729 (2014-08-28)
In this study, we showed that cyanocobalamin dodecylamine, a ribose 5'-carbamate derivative of cyanocobalamin, was absorbed and accumulated to significant levels by Caenorhabditis elegans and was not further metabolized. The levels of methylmalonic acid and homocysteine, which serve as indicators
Dan Heo et al.
Nanotechnology, 25(27), 275102-275102 (2014-06-25)
In this study, we developed the maleimidyl magnetic nanoplatform, which enables functional targeting of a biomarker-specific moiety for molecular imaging via MRI. The maleimide group of the maleimidyl magnetic nanoplatform is conjugated with a thiol group without additional crosslinkers and
Ana B Serrano-Montes et al.
Langmuir : the ACS journal of surfaces and colloids, 31(33), 9205-9213 (2015-08-11)
We present a general route for the transfer of Au and Ag nanoparticles of different shapes and sizes, from water into various organic solvents. The experimental conditions for each type of nanoparticles were optimized by using a combination of thiolated
Bin Zhou et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(31), 11143-11151 (2015-06-23)
We report an efficient approach to the synthesis of AgSbS2 nanocrystals (NCs) by colloidal chemistry. The size of the AgSbS2 NCs can be tuned from 5.3 to 58.3 nm with narrow size distributions by selection of appropriate precursors and fine control
Shriya S Srinivasan et al.
International journal of molecular sciences, 20(3) (2019-01-27)
Chemotherapeutic dosing, is largely based on the tolerance levels of toxicity today. Molecular imaging strategies can be leveraged to quantify DNA cytotoxicity and thereby serve as a theranostic tool to improve the efficacy of treatments. Methoxyamine-modified cyanine-7 (Cy7MX) is a
Lin Han et al.
Dalton transactions (Cambridge, England : 2003), 43(31), 11981-11987 (2014-06-28)
Phase transfer techniques possess remarkable advantages for the synthesis of inorganic nanomaterials. In contrast to the abundant reports on the preparation of noble metal nanoparticles using phase transfer, the number of semiconductor nanocrystals syntheses based on phase transfer techniques is
Jonas Carneiro Cruz et al.
Journal of separation science, 44(8), 1621-1632 (2021-01-03)
This manuscript describes the development of an innovative method to determine cannabinoids (cannabidiol and tetrahydrocannabinol) in human plasma samples by pipette tip micro-solid phase extraction and liquid chromatography-mass spectrometry/mass spectromtery. An octyl-functionalized hybrid silica monolith, which had been synthesized and
Karuppiah Nagaraj et al.
Colloids and surfaces. B, Biointerfaces, 122, 151-157 (2014-07-18)
The novel surfactant copper(II) complexes, [Cu(ip)2DA](ClO4)21, [Cu(dpqc)2DA](ClO4)22, [Cu(dppn)2DA](ClO4)23, where ip=imidazo[4,5-f][1,10]phenanthroline, dpqc=dipyrido[3,2-a:2',4'-c](6,7,8,9-tetrahydro)phenazine, dppn=benzo[1]dipyrido[3,2-a':2',3'-c]phenazine and DA-dodecylamine, were synthesized and characterized by physico-chemical and spectroscopic methods. In these complexes 1-3, the geometry of copper metal ions was described as square pyramidal. The critical
Guang Chen et al.
Journal of chromatography. A, 1352, 8-19 (2014-06-14)
A new fluorescent reagent, 1-(1H-imidazol-1-yl)-2-(2-phenyl-1H-phenanthro[9,10-d]imidazol-1-yl)ethanone (IPPIE), is synthesized, and a simple pretreatment based on ultrasonic-assisted derivatization microextraction (UDME) with IPPIE is proposed for the selective derivatization of 12 aliphatic amines (C1: methylamine-C12: dodecylamine) in complex matrix samples (irrigation water, river
S Ghosh et al.
Journal of applied microbiology, 108(2), 582-590 (2009-08-14)
To determine yields, germination and stability of superdormant Bacillus cereus spores. Superdormant B. cereus spores were isolated by germination with high concentrations of inosine or L-alanine in 2-5% yield and did not germinate with high concentrations of either of these
Elina Pohjalainen et al.
Langmuir : the ACS journal of surfaces and colloids, 26(17), 13937-13943 (2010-08-07)
The Langmuir-Schaefer (LS) technique was applied to prepare two-dimensional films of tridodecylamine (TDA)-stabilized Co nanoparticles. Ethylene glycol was used as the subphase because the Co nanoparticles spread better on it than on water. Surface pressure-area isotherms provided very little information
Yan Feng et al.
Scientific reports, 4, 6204-6204 (2014-08-28)
The integration of different components into a hybrid nanosystem for the utilization of the synergistic effects is an effective way to design the electrocatalysts. Herein, we demonstrate a hybrid strategy to enhance the electrocatalytic property of hollow structured Pt nanoparticles
R Geerts et al.
SAR and QSAR in environmental research, 28(4), 311-323 (2017-05-10)
The biodegradation of N-alkyl polypropylene polyamines (NAPPs) was studied using pure and mixed cultures to enable read-across of ready biodegradability test results. Two Pseudomonas spp. were isolated from activated sludge with N-oleyl alkyl propylene diamine and N-coco alkyl dipropylene triamine
Laura S Rhoads et al.
Toxicology in vitro : an international journal published in association with BIBRA, 24(1), 292-296 (2009-09-01)
Vanadium oxide nanostructures have potential uses for electrochemistry and catalysis, yet little is known about their toxicology. In this study, cultured human colon carcinoma cells (Caco-2) were exposed to vanadium oxide and their viability assessed with the neutral red assay.
Cong Yao et al.
Journal of chromatography. A, 1218(12), 1556-1566 (2011-02-18)
Functionalized ionic liquids containing the tris(pentafluoroethyl)trifluorophosphate (FAP) anion were used as extraction solvents in dispersive liquid-liquid microextraction (DLLME) for the extraction of 14 emerging contaminants from water samples. The extraction efficiencies and selectivities were compared to those of an in
Li Li et al.
Nanoscale research letters, 10(1), 445-445 (2015-11-19)
Moisture control is an important part of effective maintenance program for gas-insulated switchgear (GIS). Herein, hexagonal mesoporous silica (HMS) materials were synthesized by adopting dodecylamine as a structure directing agent, which was then employed as a host for supporting polyethylenimine
Huang-Ping Wang et al.
Chemical communications (Cambridge, England), 46(37), 6900-6902 (2010-06-18)
Strong alkaline microcavities were constructed through the water-induced protonation of dodecylamine for the synthesis of fluorescence-tunable ZnO QDs in neutral bulk reaction solution.
Pingjing Li et al.
Journal of chromatography. A, 1218(52), 9414-9421 (2011-11-22)
In this paper, a novel sample pretreatment technique termed phase transfer based liquid-liquid-liquid microextraction (PT-LLLME) was proposed for the simultaneous extraction of inorganic and organic mercury species. In PT-LLLME, an intermediate solvent (acetonitrile) was added into the donor phase to
Tohru Saitoh et al.
Chemosphere, 89(6), 759-763 (2012-07-31)
Polyacrylic acid was hydrophobically modified with dodecylamine and used as a coagulant for coprecipitation of hydrophobic organic pollutants from water. The polymer coagulant induced effective aggregation of aluminum hydroxide having hydrophobic regions which are essential for the incorporation of hydrophobic
Chengyin Li et al.
Nanoscale research letters, 10, 144-144 (2015-04-09)
Nanosized rare earth (RE) hydroxides including La(OH)3, Nd(OH)3, Pr(OH)3, Sm(OH)3, Gd(OH)3, and Er(OH)3 with rod-like morphology are fabricated via a convenient hydrothermal approach. This strategy calls for the first preparation of metal complexes between RE precursors and dodecylamine (DDA) in
Yongping Zhang et al.
Talanta, 81(3), 824-830 (2010-03-20)
Monodisperse phenylene-bridged organosilica spheres show great potential as chromatographic stationary phase. In this paper, the tunable particle size of monodisperse phenylene-bridged organosilica spheres were prepared by co-condensing different proportion of 1,4-bis(triethoxysilyl)benzene (1,4-BTEB) and tetraethylorthosilicate (TEOS), and then pore size was
Arturo Ramirez-Peralta et al.
Journal of bacteriology, 194(13), 3417-3425 (2012-04-24)
Bacillus subtilis isolates lacking the SpoVT protein, which regulates gene expression in developing forespores, gave spores that released their dipicolinic acid (DPA) via germinant receptor (GR)-dependent germination more rapidly than wild-type spores. Non-GR-dependent germination via dodecylamine was more rapid with
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