Search Within
Applied Filters:
Showing 1-30 of 362 results for "


" within Papers
Sort by Relevance
Yulia S Chistyachenko et al.
Drug delivery, 22(3), 400-407 (2014-02-13)
Inclusion complexes of salicylic acid (SA) and acetylsalicylic acid (aspirin, ASA) with polysaccharide arabinogalactan (AG) from larch wood Larix sibirica and Larix gmelinii were synthesized using mechanochemical technology. In the present study, we have investigated physicochemical properties of the synthesized
Ripen Misri et al.
Nanomedicine : nanotechnology, biology, and medicine, 11(7), 1785-1795 (2015-05-20)
We report the synthesis and characterization of a polymeric nanoparticle (NP) based on hyperbranched polyglycerol (HPG) containing a hydrophobic core and a hydrophilic shell, and assessed its suitability to be developed as a systemic anticancer drug carrier. HPG NP displayed
Chao Wu et al.
Carbohydrate research, 401, 122-126 (2014-12-17)
Lactosylfructoside is a functional oligosaccharide consisting of D-glucose, D-galactose, and D-fructose. In this work, lactosylfructoside was biosynthesized from sucrose as a fructosyl donor and lactose as an acceptor by an intracellular levansucrase derived from strain Bacillus methylotrophicus (B. methylotrophicus) SK21.002.
Edward G Nagato et al.
Magnetic resonance in chemistry : MRC, 53(9), 745-753 (2015-04-22)
Nuclear magnetic resonance (NMR) is the primary platform used in high-throughput environmental metabolomics studies because its non-selectivity is well suited for non-targeted approaches. However, standard NMR probes may limit the use of NMR-based metabolomics for tiny organisms because of the
Paul D R Dyer et al.
Journal of controlled release : official journal of the Controlled Release Society, 220(Pt A), 316-328 (2015-11-08)
Inefficient cytosolic delivery and vector toxicity contribute to the limited use of antisense oligonucleotides (ASOs) and siRNA as therapeutics. As anthrax toxin (Atx) accesses the cytosol, the purpose of this study was to evaluate the potential of disarmed Atx to
Herschel M Watkins et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(21), 6631-6636 (2015-05-13)
Small-angle scattering studies generally indicate that the dimensions of unfolded single-domain proteins are independent (to within experimental uncertainty of a few percent) of denaturant concentration. In contrast, single-molecule FRET (smFRET) studies invariably suggest that protein unfolded states contract significantly as
Thomas Brinzer et al.
The Journal of chemical physics, 142(21), 212425-212425 (2015-06-08)
The CO2ν3 asymmetric stretching mode is established as a vibrational chromophore for ultrafast two-dimensional infrared (2D-IR) spectroscopic studies of local structure and dynamics in ionic liquids, which are of interest for carbon capture applications. CO2 is dissolved in a series
Anindya Sarkar et al.
The Journal of biological chemistry, 290(35), 21615-21628 (2015-07-03)
Heat shock protein 90 (hsp90) drives heme insertion into the β1 subunit of soluble guanylate cyclase (sGC) β1, which enables it to associate with a partner sGCα1 subunit and mature into a nitric oxide (NO)-responsive active form. We utilized fluorescence
Di Gao et al.
ACS applied materials & interfaces, 7(24), 13524-13537 (2015-05-29)
Ultrasound as an external stimulus for enhanced gene transfection represents a safe, noninvasive, cost-effective delivery strategy for gene therapy. Herein, we have developed an ultrasound-triggered phase-transition cationic nanodroplet based on a novel perfluorinated amphiphilic poly(amino acid), which could simultaneously load
Andreina Ricci et al.
Journal of mass spectrometry : JMS, 50(1), 228-234 (2015-01-21)
Understanding on a molecular level the acid-catalysed decomposition of the sugar monomers from hemicellulose and cellulose (e.g. glucose, xylose), the main constituent of lignocellulosic biomass is very important to increase selectivity and reaction yields in solution, key steps for the development
Lei Hou et al.
Soft matter, 11(35), 7059-7065 (2015-08-08)
The UCST-type transition of poly(acrylamide-co-acrylonitrile) (P(AAm-co-AN)) (molar fraction of AN: 13.3%; PDI = 3.2) in H2O and D2O is explored and compared by applying turbidity, DLS as well as FTIR measurements. The transition temperature of P(AAm-co-AN) in D2O is observed
Minna Groenning et al.
Scientific reports, 5, 11443-11443 (2015-06-26)
Despite numerous studies, a detailed description of the transthyretin (TTR) self-assembly mechanism and fibril structure in TTR amyloidoses remains unresolved. Here, using a combination of primarily small -angle X-ray scattering (SAXS) and hydrogen exchange mass spectrometry (HXMS) analysis, we describe
Еlena А Santalova et al.
Lipids, 50(1), 57-69 (2014-12-17)
Nine new cerebrosides 1a-d, 2a, 2b, 3a-c were found in the extract of a Far-Eastern glass sponge Aulosaccus sp. (class Hexactinellida). These β-D-glucopyranosyl-(1 → 1)-ceramides contain sphingoid bases (2S,3S,4R,11Z)-2-aminoeicos-11-ene-1,3,4-triol (in 1a-d), (2S,3S,4R,13Z)-2-aminoeicos-13-ene-1,3,4-triol (in 2a, b) and (2S,3S,4R,13S*,14R*)-2-amino-13,14-methylene-eicosane-1,3,4-triol (in 3a-c), which
Liset Westera et al.
Methods in molecular biology (Clifton, N.J.), 979, 107-131 (2013-02-12)
Humans have a remarkable ability to maintain relatively constant lymphocyte numbers across many decades, from puberty to old-age, despite a multitude of infectious and other challenges and a dramatic decline in thymic output. This phenomenon, lymphocyte homeostasis, is achieved by
Yumiko Mizukoshi et al.
ChemMedChem, 10(4), 736-741 (2015-03-12)
Numerous small organic compounds exist in equilibrium among monomers, soluble oligomers, and insoluble aggregates in aqueous solution. Compound aggregation is a major reason for false positives in drug screening, and even soluble oligomers can interfere with structural and biochemical analyses.
Suvimol Surassmo et al.
Colloids and surfaces. B, Biointerfaces, 130, 229-236 (2015-05-06)
Mucoadhesive poly (lactic-co-glycolic acid) (PLGA) nanoparticles having a modified shell-matrix derived from polyvinyl alcohol (PVA) and Carbopol (CP), a biodegradable polymer coating, to improve the adhesion and cell transfection properties were developed. The optimum formulations utilized a CP concentration in
Nella Barshteyn et al.
Chemical research in toxicology, 22(5), 918-925 (2009-03-26)
Previously, our laboratory has shown that hydroxymethylvinyl ketone (HMVK), a Michael acceptor oxidation product of the 1,3-butadiene metabolite, 3-butene-1,2-diol, readily reacts with hemoglobin at physiological conditions and that mass spectrometry of trypsin-digested peptides suggested adduct formation with various nucleophilic amino
Christina O'Rourke et al.
Annals of botany, 116(2), 225-236 (2015-06-27)
During evolution, plants have acquired and/or lost diverse sugar residues as cell-wall constituents. Of particular interest are primordial cell-wall features that existed, and in some cases abruptly changed, during the momentous step whereby land-plants arose from charophytic algal ancestors. Polysaccharides
Jae-Min Ha et al.
Soft matter, 11(29), 5821-5827 (2015-06-11)
We have investigated the distributions of individually isolated and hydrophilically functionalized single-walled carbon nanotubes (p-SWNTs) in the Pluronic L121-water system at the reverse hexagonal phase using small-angle X-ray scattering (SAXS) and contrast-matched small-angle neutron scattering (SANS) measurements. As the p-SWNT-L121-water
Yanfen Fu et al.
Applied microbiology and biotechnology, 99(10), 4397-4408 (2015-01-27)
Systems metabolic engineering has made the renewable production of industrial chemicals a feasible alternative to modern operations. One major example of a renewable process is the production of carboxylic acids, such as octanoic acid (C8), from Escherichia coli, engineered to
Guanhua Yang et al.
Biopolymers, 104(1), 11-20 (2014-12-05)
Caveolin-1 is a main structural component of caveolae and essential for the invagination of caveolae by forming a hairpin-shaped structure in the membrane-inserting domain (residues, 102-122). In this article, we determined the tertiary structures of the peptides comprising residues 93-126
Masahiko Terauchi et al.
Macromolecular bioscience, 15(7), 953-964 (2015-03-27)
Although bone morphogenetic protein-2 (BMP-2) has received considerable attention because of its strong osteoinductivity, the clinical application of BMP-2 is limited due to its degradation and deactivation under physiological conditions. Negatively charged heparin is known to form polyelectrolyte complexes with
Lucy Yan Pan et al.
Analytical chemistry, 87(11), 5669-5676 (2015-05-06)
We present the results of a hydrogen/deuterium exchange mass spectrometric (HDX-MS) investigation of an antibody-drug conjugate (ADC) comprised of drug-linkers conjugated to cysteine residues that have been engineered into heavy chain (HC) fragment crystallizable (Fc) domain at position 239. A
Khaled R A Abdellatif et al.
Archives of pharmacal research, 38(11), 1932-1942 (2015-04-24)
A novel series of 2-pyrazoline derivatives 13a-l was synthesized via aldol condensation of 4-substituted acetophenones with appropriately substituted aldehydes followed by cyclization of the formed chalcones with 4-hydrazinobenzenesulfonamide hydrochloride. The chemical structures of the target pyrazoline derivatives were proved by
Guo-wen Hu et al.
Stem cell research & therapy, 6, 10-10 (2015-08-14)
'Patient-specific' induced pluripotent stem cells (iPSCs) are attractive because they can generate abundant cells without the risk of immune rejection for cell therapy. Studies have shown that iPSC-derived mesenchymal stem cells (iMSCs) possess powerful proliferation, differentiation, and therapeutic effects. Recently
Carolyn Vargas et al.
Nanoscale, 7(48), 20685-20696 (2015-11-26)
Self-assembling nanostructures in aqueous mixtures of bilayer-forming lipids and micelle-forming surfactants are relevant to in vitro studies on biological and synthetic membranes and membrane proteins. Considerable efforts are currently underway to replace conventional detergents by milder alternatives such as styrene/maleic
U Malik et al.
Antimicrobial agents and chemotherapy, 59(4), 2113-2121 (2015-01-28)
Staphylococcus aureus is a virulent pathogen that is responsible for a wide range of superficial and invasive infections. Its resistance to existing antimicrobial drugs is a global problem, and the development of novel antimicrobial agents is crucial. Antimicrobial peptides from
Lars Holm et al.
American journal of physiology. Endocrinology and metabolism, 304(8), E895-E907 (2013-02-21)
A method to determine the rate of protein breakdown in individual proteins was developed and tested in rats and confirmed in humans, using administration of deuterium oxide and incorporation of the deuterium into alanine that was subsequently incorporated into body
Aneta Panuszko et al.
Physical chemistry chemical physics : PCCP, 14(45), 15765-15773 (2012-10-25)
In this paper, the hydration of a model protein--hen egg white lysozyme in aqueous solution has been presented. The leading method used was FTIR spectroscopy with an application of a technique of semi-heavy water (HDO) isotope dilution. Analysis of spectra
Valeria Cagno et al.
Antimicrobial agents and chemotherapy, 59(9), 5250-5259 (2015-06-17)
The agmatine-containing poly(amidoamine) polymer AGMA1 was recently shown to inhibit the infectivity of several viruses, including human papillomavirus 16 (HPV-16), that exploit cell surface heparan sulfate proteoglycans (HSPGs) as attachment receptors. The aim of this work was to assess the
Page 1 of 13
Page 1 of 13