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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
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
Oliver Wahl et al.
Journal of pharmaceutical and biomedical analysis, 114, 254-264 (2015-06-21)
The modern bisphosphonate drug ibandronate sodium, a challenging candidate for impurity profiling, was analyzed using high performance liquid chromatography (HPLC) combined with corona charged aerosol detection (CAD). Separation was achieved on a mixed mode column combining hydrophobic C18 and strong
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
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
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
Xiaoqin Huang et al.
Food chemistry, 166, 62-67 (2014-07-24)
The conformational changes of the glycated ovalbumin were studied by hydrogen/deuterium exchange coupled with high resolution mass spectrometry technique (HDX-MS). After incubation with glucose at 50 °C for 6 h, 9 glycated peptides were detected and the corresponding glycation sites
Tina A Crook et al.
Journal of the Academy of Nutrition and Dietetics, 112(12), 1993-1998 (2012-11-24)
Anthropometrics and body mass index are only proxies in the evaluation of adiposity in the pediatric population. Air displacement plethysmography technology was not available for children aged 6 months to 9 years until recently. Our study was designed to test
Tadasu Urashima et al.
Glycoconjugate journal, 32(6), 361-370 (2015-06-07)
Structural characterizations of marsupial milk oligosaccharides have been performed in four species to date: the tammar wallaby (Macropus eugenii), the red kangaroo (Macropus rufus), the koala (Phascolarctos cinereus) and the common brushtail possum (Trichosurus vulpecula). To clarify the homology and
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
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
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
Golo M J Meyer et al.
Analytical and bioanalytical chemistry, 407(3), 761-778 (2014-09-23)
Mesembrine and mesembrenone are the main alkaloids of Sceletium tortuosum, a plant species that was used for sedation and analgesia by the KhoiSan, previously known as Hottentots, a tribe in South Africa. After fermentation, the obtained preparation called "Kanna" or
Alicia Lammerts van Bueren et al.
Applied and environmental microbiology, 81(12), 3973-3983 (2015-04-05)
Probiotic microorganisms are ingested as food or supplements and impart positive health benefits to consumers. Previous studies have indicated that probiotics transiently reside in the gastrointestinal tract and, in addition to modulating commensal species diversity, increase the expression of genes
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
Ruge Cao et al.
Pharmaceutical research, 32(7), 2301-2309 (2015-01-13)
The use of hesperidin in the pharmaceutical field is limited by its aqueous insolubility. The effects of natural compounds in tea on the solubility of hesperidin were evaluated and the underlying mechanism was investigated by nuclear-magnetic resonance (NMR) and quantum
Guolin Ma et al.
Nature communications, 6, 7826-7826 (2015-07-18)
Store-operated Ca(2+) entry mediated by STIM1 and ORAI1 constitutes one of the major Ca(2+) entry routes in mammalian cells. The molecular choreography of STIM1-ORAI1 coupling is initiated by endoplasmic reticulum (ER) Ca(2+) store depletion with subsequent oligomerization of the STIM1
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
Oliver Wahl et al.
Journal of pharmaceutical and biomedical analysis, 95, 1-10 (2014-03-19)
For the impurity profiling of the mucolytic and anti-inflammatory drug carbocisteine a high performance liquid chromatographic (HPLC) method using corona charged aerosol detection (CAD) was developed and fully validated following the ICH guideline Q2(R1). The response was linear (R²>0.995) over
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
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
Jens K Munk et al.
Journal of peptide science : an official publication of the European Peptide Society, 19(11), 669-675 (2013-09-11)
We present the antimicrobial and hemolytic activities of the decapeptide anoplin and 19 analogs thereof tested against methicillin-resistant Staphylococcus aureus ATCC 33591 (MRSA), Escherichia coli (ATCC 25922), Pseudomonas aeruginosa (ATCC 27853), vancomycin-resistant Enterococcus faecium (ATCC 700221) (VRE), and Candida albicans
Ieva Matulaitienė et al.
Physical chemistry chemical physics : PCCP, 17(25), 16483-16493 (2015-06-09)
Adsorption of 4-imidazolemethanol (ImMeOH) on a copper electrode has been investigated by in situ isotope-edited (H/D and (63)Cu/(65)Cu) surface enhanced Raman spectroscopy (SERS) in aqueous solutions at physiological pH (7.0) in a potential window from -0.500 to -1.100 V. Theoretical
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
Thomas D Bennett et al.
Nature communications, 6, 8079-8079 (2015-09-01)
Hybrid glasses connect the emerging field of metal-organic frameworks (MOFs) with the glass formation, amorphization and melting processes of these chemically versatile systems. Though inorganic zeolites collapse around the glass transition and melt at higher temperatures, the relationship between amorphization
S Lerch et al.
Journal of animal science, 93(9), 4463-4472 (2015-10-07)
Deuterium oxide dilution space (DOS) determination is one of the most accurate methods for in vivo estimation of ruminant body composition. However, the time-consuming vacuum sublimation of blood preceding infrared spectroscopy analysis, which is traditionally used to determine deuterium oxide
Takumi Saito et al.
Environmental science. Processes & impacts, 17(8), 1386-1395 (2015-07-15)
Humic substances (HSs) are ubiquitous in various aquatic systems and play important roles in many geochemical processes. There is increasing evidence of the presence of HSs in deep groundwater; nevertheless, their ion binding properties are largely unknown. In this study
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