Search Within
Applied Filters:
Showing 1-30 of 505 results for "


" within Papers
Amy C Goodfriend et al.
Materials science & engineering. C, Materials for biological applications, 58, 595-600 (2015-10-20)
Dexamethasone-releasing poly(lactic-co-glycolic acid) (PLGA) microparticles were formulated using a solvent displacement technique with the addition of distillation aiming to increase drug delivery lifetime. Two PLGA copolymer ratios (50:50 and 75:25) were used to determine the influence of lactic acid and...
Fanny Ehret et al.
Neurobiology of disease, 75, 131-141 (2015-01-04)
Could impaired adult hippocampal neurogenesis be a relevant mechanism underlying CADASIL (cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy)? Memory symptoms in CADASIL, the most common hereditary form of vascular dementia, are usually thought to be primarily due to...
Christina Tang et al.
Colloids and surfaces. B, Biointerfaces, 133, 81-87 (2015-06-21)
We have developed responsive foam systems for nanoparticle delivery. The foams are easy to make, stable at room temperature, and can be engineered to break in response to temperature or moisture. Temperature-responsive foams are based on the phase transition of...
Filippo Rossi et al.
Nanotechnology, 26(1), 015602-015602 (2014-12-10)
The possibility to direct pharmacological treatments targeting specific cell lines using polymer nanoparticles is one of the main novelties and perspectives in nanomedicine. However, sometimes, the ability to maintain NPs localized at the site of the injection that work as...
Kaiwen Chang et al.
Small (Weinheim an der Bergstrasse, Germany), 10(21), 4270-4275 (2014-07-23)
Stable full-color fluorescence patterning are achieved by multicolor polymer-dot inks. The fluorescent patterns show extraordinary stability upon various treatments, offering a superior combination of bright fluorescence, excellent photostability, chemical resistance, and eco-friendship.
Temmei Ito et al.
Biomedical materials (Bristol, England), 10(1), 015025-015025 (2015-03-03)
In order to obtain a hydroxyapatite (HAp)-poly(ethylene glycol) (PEG) composite, tetra amine-terminated PEG was crosslinked using disuccinimidyl tartrate to obtain a PEG hydrogel. Using two kinds of chelators with different stability constants for Ca ion (N-(2-hydroxyethyl) ethylenediamine-N,N',N'-triacetic acid (EDTA-OH, 8.14)...
Hang Wang et al.
Analytica chimica acta, 882, 49-57 (2015-06-05)
Hydrophobic compounds with hydroxyl, aldehyde or ketone groups are generally difficult to detect using matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS), because these compounds have low proton affinity and are poorly ionized by MALDI. Herein, coumarins have been used as new...
Hwee Ling Poh et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(22), 8130-8136 (2015-04-17)
Covalently functionalized graphene materials with well-defined stoichiometric composition are of a very high importance in the research of 2D carbon material family due to their well-defined properties. Unfortunately, most of the contemporary graphene-functionalized materials do not have this kind of...
V Mistretta et al.
Acta clinica Belgica, 69(1), 53-61 (2014-03-19)
Azole antifungals are a group of fungistatic agents that can be administered orally or parenterally. The determination of the concentrations of these antifungals (miconazole, fluconazole, ketoconazole, posaconazole, voriconazole, itraconazole, and its major active metabolite, hydroxy-itraconazole) in serum can be useful...
Valentino Ruggieri et al.
BMC plant biology, 14, 337-337 (2014-12-04)
Genome Wide Association Studies (GWAS) have been recently used to dissect complex quantitative traits and identify candidate genes affecting phenotype variation of polygenic traits. In order to map loci controlling variation in tomato marketable and nutritional fruit traits, we used...
Emily V Eames et al.
Inorganic chemistry, 51(19), 10274-10278 (2012-09-20)
The symmetric, high-spin triiron complex ((Ph)L)Fe(3)(THF)(3) reacts with mild chemical oxidants (e.g., Ph(3)C-X, I(2)) to afford an asymmetric core, where one iron bears the halide ligand ((Ph)L)Fe(3)X(L) and the hexadentate ((Ph)L = MeC(CH(2)NPh-o-NPh)(3)) ligand has undergone significant rearrangement. In the...
Marek Janko et al.
Biomacromolecules, 16(7), 2179-2187 (2015-06-24)
The properties of paper sheets can be tuned by adjusting the surface or bulk chemistry using functional polymers that are applied during (online) or after (offline) papermaking processes. In particular, polymers are widely used to enhance the mechanical strength of...
Zach E Lampert et al.
The journal of physical chemistry. B, 116(42), 12835-12841 (2012-10-04)
We report the results of a detailed investigation that addresses the influence of polymer morphology and chain aggregation, as controlled by the chemical nature of the solvent, on the optical gain properties of the conjugated polymer poly[2-methoxy-5-(2'-ethylhexyloxy)-p-phenylene vinylene] (MEH-PPV). Using...
An efficient and economical process for lignin depolymerization in biomass-derived solvent tetrahydrofuran.
Long J, et al.
Bioresource Technology, 154, 10-17 (2014)
Jaewoo Kwak et al.
Dalton transactions (Cambridge, England : 2003), 44(10), 4765-4772 (2015-02-11)
A series of mono-, di-, and tri-phosphine oxide substituted triarylboranes, Mes2BAr (1), MesBAr2 (2), and BAr3 (3) (Ar = 4-(Ph2PO)-2,6-Me2-C6H2) were prepared to investigate the effect of a phosphine oxide group (Ph2PO) on Lewis acidity enhancement of triarylboranes. The X-ray...
Imran Ali et al.
Methods in molecular biology (Clifton, N.J.), 970, 127-135 (2013-01-04)
Immobilized polysaccharide chiral stationary phases (CSPs) are a new development in chiral chromatography with increasing importance for the resolution of racemic compounds. These CSPs can be used with solvents traditionally applied for the classical coated polysaccharide CSPs as well as...
Alexandra J Kermack et al.
Human reproduction (Oxford, England), 30(4), 917-924 (2015-02-24)
Do the amino acid levels of human uterine fluid vary with age, BMI, phase of menstrual cycle, benign pathology or diet? The levels of 18 amino acids in human uterine fluid were shown to be affected only by maternal diet....
Si Wang et al.
Toxicological sciences : an official journal of the Society of Toxicology, 141(1), 78-89 (2014-06-15)
In the present study, a previously established integrated testing strategy (ITS) for in vitro estrogenicity testing was extended with additional in vitro assays in order to broaden its sensitivity to different modes of action resulting in apparent estrogenicity, i.e., other...
Keith Hearon et al.
Advanced healthcare materials, 4(9), 1386-1398 (2015-05-01)
Polyurethane shape memory polymers (SMPs) with tunable thermomechanical properties and advanced processing capabilities are synthesized, characterized, and implemented in the design of a microactuator medical device prototype. The ability to manipulate glass transition temperature (Tg ) and crosslink density in...
Matthias P Quick et al.
Organic & biomolecular chemistry, 13(26), 7265-7281 (2015-06-10)
The enantiomerically and diastereomerically pure tricyclic oxazolidine cis-10 was prepared in a five step synthesis starting with 1-bromo-2-iodobenzene. Me3SiCN and allylSiMe3 reacted with cis-10 in the presence of TiCl4 to form the nitrile (3S)-11 and the allyl derivative (3S)-12 with...
Taeheon Lee et al.
Nanoscale, 7(15), 6745-6753 (2015-03-26)
We synthesized poly((furfuryl methacrylate)-co-(2-(dimethylamino)ethyl methacrylate)) (p(FMA-co-DMAEMA)) for the dispersion of single-walled carbon nanotubes (SWCNTs) while maintaining their high aspect ratios. The nanotubes' length and height were 2.0 μm and 2 nm, as determined by transmission electron microscopy and atomic force...
Jong-Min Lim et al.
ACS nano, 8(6), 6056-6065 (2014-05-16)
High-throughput production of nanoparticles (NPs) with controlled quality is critical for their clinical translation into effective nanomedicines for diagnostics and therapeutics. Here we report a simple and versatile coaxial turbulent jet mixer that can synthesize a variety of NPs at...
Rongning Liang et al.
Scientific reports, 5, 12462-12462 (2015-07-29)
Ion-selective electrode (ISE) based potentiometric gas sensors have shown to be promising analytical tools for detection of chemical vapors. However, such sensors are only capable of detecting those vapors which can be converted into ionic species in solution. This paper...
Alicia J Sawdon et al.
Colloids and surfaces. B, Biointerfaces, 122, 738-745 (2014-09-07)
Polymeric prodrug micelles for delivery of acyclovir (ACV) were synthesized. First, ACV was used directly to initiate ring-opening polymerization of ɛ-caprolactone to form ACV-polycaprolactone (ACV-PCL). Through conjugation of hydrophobic ACV-PCL with hydrophilic methoxy poly(ethylene glycol) (MPEG) or chitosan, polymeric micelles...
Heather Ordonez et al.
Nucleic acids research, 42(20), 12722-12734 (2014-10-30)
Mycobacterium smegmatis DinB2 is the founder of a clade of Y-family DNA polymerase that is naturally adept at utilizing rNTPs or dNTPs as substrates. Here we investigate the fidelity and lesion bypass capacity of DinB2. We report that DinB2 is...
Robert A Haupt et al.
Magnetic resonance in chemistry : MRC, 51(2), 95-101 (2013-01-03)
Alkali metal counter-cations alter the electron density of phenolates in solution by electrostatic interactions. This change in electron density affects their reactivity toward formaldehyde, hydroxymethylphenols, and isocyanates during polymerization. The electronic perturbation of phenolic model compounds in the presence of...
Isabelle Laverdière et al.
Haematologica, 100(2), 275-283 (2014-11-27)
Effective immunosuppression is mandatory to prevent graft-versus-host disease and to achieve a successful clinical outcome of hematopoietic stem cell transplantation. Here we tested whether germline single nucleotide polymorphisms in 20 candidate genes related to methotrexate and cyclosporine metabolism and activity...
Mathias Micheel et al.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 14(9), 1598-1606 (2015-07-15)
(6-4) Photolesions between adjacent pyrimidine DNA bases are prone to secondary photochemistry. It has been shown that singlet excited (6-4) moieties form Dewar valence isomers as well as triplet excitations. We here report on the triplet state of a minimal...
Haruka Shinohara et al.
Cancer letters, 360(1), 28-38 (2015-02-04)
The fusion gene bcr-abl develops chronic myeloid leukemia (CML), and stimulates PI3K/Akt/mTOR signaling, leading to impaired autophagy. PI3K/Akt/mTOR signaling also plays an important role in cell metabolism. The Warburg effect is a well-recognized hallmark of cancer energy metabolism, and is...
André M Striegel
Journal of chromatography. A, 1359, 147-155 (2014-08-03)
Flow-induced, on-column degradation is a major hindrance to the accurate characterization of ultra-high molar mass macromolecules and colloids. This degradation is a direct result of the large shear rates which are generated within the column, which cause chain scission to...
Page 1 of 17
Page 1 of 17