Search Within
Applied Filters:
Showing 1-30 of 394 results for "


" within Papers
Xiu-Ying Chen et al.
International journal of nanomedicine, 10, 2765-2774 (2015-04-22)
The use of triptolide (TP) is limited by its poor water solubility and severe toxicity. In this study, we developed an active drug delivery system (TP-loaded nanoparticles) that could help improve the water solubility of TP and decrease its toxicity.
Yacine Kerchich et al.
Journal of the Air & Waste Management Association (1995), 62(12), 1370-1379 (2013-02-01)
The study presents the levels of air pollution by aromatic organic compounds BTEX (benzene, toluene, ethylbenzene, o-, m-, and p-xylenes) in the city of Algiers. The sampling was carried out using Radiello passive sampler. Three sampling campaigns were carried out
Emma Oakton et al.
Dalton transactions (Cambridge, England : 2003), 43(40), 15138-15142 (2014-09-03)
Herein, we report the preparation of small and narrowly distributed (2.1 ± 0.5 nm) Ag nanoparticles supported on passivated silica, where the surface OH groups are replaced by OSiMe3 functionalities. This synthetic method involves the grafting of silver(I) bis(trimethylsilyl)amide ([AgN(SiMe3)2]4)
Ali Mehdinia et al.
Journal of chromatography. A, 1364, 12-19 (2014-09-07)
In order to resolve the low adsorption capacity of the surface molecularly imprinting methods, an approach was developed for the preparation of magnetic imprinted polymers by pre-grafting the amino functional material, 3-aminopropyltriethoxysilane (APTES), on the surface of the silica coated
Piotr Luliński et al.
Talanta, 129, 155-164 (2014-08-17)
A 2-(4-methoxyphenyl)ethylamine imprinted polymer (MIP) was successfully applied for the selective separation of tyramine. A computational analysis was used to predict the affinity of the polymer matrix towards tyramine and a preliminary experimental evaluation was made for the target analyte.
Marie C Hogan et al.
BMC nephrology, 16, 190-190 (2015-11-19)
Glomerular diseases are potentially fatal, requiring aggressive interventions and close monitoring. Urine is a readily-accessible body fluid enriched in molecular signatures from the kidney and therefore particularly suited for routine clinical analysis as well as development of non-invasive biomarkers for
Takashi Toyao et al.
ChemSusChem, 8(22), 3905-3912 (2015-09-24)
Various N-doped nanoporous carbons containing metal species were prepared by direct thermal conversion of zeolitic imidazolate frameworks (ZIFs; ZIF-7, -8, -9, and -67) at different temperatures (600, 800, and 1000 °C). These materials were utilized as bifunctional acid-base catalysts to promote
Lan-Zhen Meng et al.
Nutrition and cancer, 66(7), 1124-1131 (2014-09-11)
Two Ganoderma species, G. lucidum and G. sinense, are listed as Lingzhi in Chinese Pharmacopoeia and they are considered to have the same therapeutic effects. Polysaccharides were the main immunomodulatory and anticancer components in Ganoderma. In this study, the chemical
Minoru Hirano et al.
Environmental toxicology, 28(11), 652-659 (2011-09-03)
Polycyclic aromatic hydrocarbons (PAHs) are widespread environmental pollutants produced in the combustion of organic matter. Exposure to PAHs raises the risk of lung cancer and inflammatory and allergic disorders such as asthma. DNA microarray technologies have been applied to research
Arfat Idrees et al.
Acta poloniae pharmaceutica, 71(2), 287-295 (2014-10-03)
This study was aimed to determine effects of penetration enhancers and plasticizers on drug release from rationally designed formulations of flurbiprofen based transdermal drug delivery system. Matrix type transdermal patches were formulated with ethyl cellulose (EC) as a polymer by
T Akdas et al.
Nanoscale, 7(43), 18105-18118 (2015-10-16)
In this work we investigated fundamental properties of CuInS2 quantum dots in dependence of the particle size distribution (PSD). Size-selective precipitation (SSP) with acetone as poor solvent was performed as an adequate post-processing step. Our results provide deep insight into
Bishnu Tiwari et al.
ACS applied materials & interfaces, 7(47), 26108-26116 (2015-11-10)
We demonstrate a universal approach to extract one- and two-dimensional nanomaterials from contaminated water, which is based on a microscopic oil-water interface trapping mechanism. Results indicate that carbon nanotubes, graphene, boron nitride nanotubes, boron nitride nanosheets, and zinc oxide nanowires
Thomas M Schmidt et al.
Beilstein journal of nanotechnology, 6, 1-10 (2015-02-12)
The plasmonic coupling between gold caps and holes in thin films was investigated experimentally and through finite-difference time-domain (FDTD) calculations. Sparse colloidal lithography combined with a novel thermal treatment was used to control the vertical spacing between caps and hole
Roza Dianita et al.
Molecules (Basel, Switzerland), 20(3), 4746-4763 (2015-03-19)
The study was designed to evaluate the cardioprotective effects of the standardized aqueous and 80% ethanol extracts of Labisia pumila var. alata (LPva) in isoproterenol (ISO)-induced myocardial infarction (MI) in rats. The extracts were administered to Wistar rats orally for
Chao-Yan Zhang et al.
Journal of chromatography. A, 1383, 18-24 (2015-01-27)
Three Ag(I)-organic frameworks, [Ag5(pydc)2(CN)]n, {[Ag4(pydc)2]CH3CN}n, and [Ag(4,4'-bpy)NO3]n, were synthesized and embedded into silica gels to form metal-organic-framework (MOF)-embedded gels for the microextraction of polybrominated diphenyl ethers (PBDEs) in soils. Despite the great differences in the structures of the organic ligands
Yajie Qian et al.
Chemosphere, 91(5), 717-723 (2013-03-08)
Due to the large diameter and small surface, the contaminant degradation by conventional calcium peroxide (CaO2) is slow with high dosage required. The aggregation of conventional CaO2 also makes it difficult to operate. Nanoscale CaO2 was therefore synthesized and applied
Adan Schafer Medina et al.
Journal of radioanalytical and nuclear chemistry, 324(3), 1021-1030 (2020-07-01)
Microliter volumes are used in electrochemical detection and preconcentration of radionuclides to reduce the dose received by researchers and equipment. Unfortunately, there is a lack of analysis of radionuclides with coupled electrochemical techniques and microliter volume reactors. The goals of
Andrea M Binnebose et al.
PLoS neglected tropical diseases, 9(10), e0004173-e0004173 (2015-10-27)
Filarial diseases represent a significant social and economic burden to over 120 million people worldwide and are caused by endoparasites that require the presence of symbiotic bacteria of the genus Wolbachia for fertility and viability of the host parasite. Targeting
Kari L Organtini et al.
Journal of chromatography. A, 1369, 138-146 (2014-12-03)
A comprehensive approach was taken to characterize the polyhalogenated dibenzo-p-dioxin and dibenzofuran contents of fire debris. Household and electronics fire simulations were performed to create samples representative of those firefighters most typically come in contact with. Sample analysis was performed
Elizabeth N Ndunda et al.
Environmental science. Processes & impacts, 17(12), 2101-2109 (2015-11-13)
The need for continuous monitoring of polychlorinated biphenyls (PCBs) has necessitated the development of analytical techniques that are sensitive and selective with minimal reagent requirement. In light of this, we developed a column for clean-up of soil and sediment extracts
Evgeni Eltzov et al.
Analytical chemistry, 87(7), 3655-3661 (2015-03-17)
Indoor air pollution became a recent concern found to be oftentimes worse than outdoor air quality. We developed a tool that is cheap and simple and enables continuous monitoring of air toxicity. It is a biosensor with both a nondisposable
Maria Avramov et al.
Aquatic toxicology (Amsterdam, Netherlands), 130-131, 1-8 (2013-01-24)
A protocol was developed for testing the ecotoxicological effects of volatile organic compounds (VOCs) on groundwater invertebrates. Test substance volatility was addressed in a "closed from start to analysis"-design. Since manifestation of toxic effects may be delayed in 'slower metabolizing'
Cyril Page et al.
Journal of medical virology, 87(6), 1054-1059 (2015-03-11)
It is generally accepted that thyroid follicle cells are at least semi-permissive for erythrovirus B19 (EVB19). Thus, various laboratory techniques have been successfully used to detect EVB19 in the thyroid gland, including polymerase chain reaction (PCR), immunohistochemistry, and in situ
Scott E Bowen et al.
The AAPS journal, 8(2), E419-E424 (2006-07-01)
Organic solvents have become ubiquitous in our environment and are essential for industry. Many women of reproductive age are increasingly exposed to solvents such as toluene in occupational settings (ie, long-term, low-concentration exposures) or through inhalant abuse (eg, episodic, binge
R Lebrero et al.
Water research, 47(7), 2199-2212 (2013-03-19)
The performance of a flat-membrane biofilm reactor (MBR) for the removal of acetone, toluene, limonene and hexane at concentrations ranging from 1.3 to 3.2 mg m(-3) was investigated at different gas residence times (GRT): 60, 30, 15 and 7 s. A preliminary abiotic
A Boni et al.
Nanoscale, 7(16), 7307-7317 (2015-03-31)
Superparamagnetic iron oxide nanoparticles with a wide size range (2.6-14.1 nm) were synthesized and coated with the amphiphilic poly(amidoamine) PAMAM-C12 dendrimer. The resulting well dispersed and stable water suspensions were fully characterized in order to explore their possible use in
Tuomas Mehtiö et al.
Carbohydrate research, 402, 102-110 (2014-12-17)
A series of copolyanhydrides, consisting of 2,3,4,5-tetra-O-acetylgalactaric acid (AGA) and adipic acid (AA) as monomer units, was polymerized. Synthesis of AGA monomer consisted of two steps. First, O-acetylation of galactaric acid secondary hydroxyl groups was performed using acetic anhydride as
Lu Zhang et al.
Colloids and surfaces. B, Biointerfaces, 122, 260-269 (2014-07-25)
In order to enhance the antitumor effects of doxorubicin (DOX), a novel micellar vector with high DOX loading and tumor targeting function based on folate-conjugated amphiphilic copolymer folate-poly(ethylene glycol)-poly(d,l-lactide)-β-cyclodextrin (FA-PEL-CD) was constructed. Cytotoxicity and cellular uptake experiments were performed in
Zhongfei Zhang et al.
Journal of agricultural and food chemistry, 63(6), 1839-1848 (2015-01-31)
This study investigated whether and how triacylglycerol (TAG) may serve as a precursor for 3-monochloro-1,2-propanediol (3-MCPD) fatty acid ester formation using tristearoylglycerol (TSG). TSG was reacted with inorganic chloride compounds including NaCl, KCl, FeCl2, CuCl2, ZnCl2, FeCl3 and dry HCl
Xiao Wei et al.
Analytica chimica acta, 870, 83-91 (2015-03-31)
This paper reports a facile and general method for preparing an imprinted polymer thin shell with Mn-doped ZnS quantum dots (QDs) at the surface of silica nanoparticles by stepwise precipitation polymerization to form the highly-controllable core-shell nanoparticles (MIPs@SiO2-ZnS:Mn QDs) and
Page 1 of 14
Page 1 of 14