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Joanna Godzien et al.
Journal of proteome research, 14(8), 3204-3216 (2015-06-18)
Lipids are important components of biological systems, and their role can be currently investigated by the application of untargeted, holistic approaches such as metabolomics and lipidomics. Acquired data are analyzed to find significant signals responsible for the differentiation between the...
Claire Lewis et al.
Rapid communications in mass spectrometry : RCM, 29(12), 1107-1114 (2015-05-20)
A current challenge for analytical chemists is the development of the measurement systems and approaches required to understand dynamic processes such as tablet dissolution. The design and development of oral tablets could be improved by the availability of detailed information...
M Corzo-Martínez et al.
Pharmaceutical research, 32(3), 1055-1071 (2014-10-02)
The aim of this work was to develop a milk-based powder formulation appropriate for pediatric delivery of ritonavir (RIT). Ultra-high pressure homogenization (UHPH) at 0.1, 300 and 500 MPa was used to process a dispersion of pasteurized skim milk (SM)...
Knut Fredrik Seip et al.
Journal of chromatography. A, 1347, 1-7 (2014-05-06)
Electromembrane extraction (EME) was performed on samples containing substantial amounts of NaCl to investigate how the presence of salts affected the recovery, repeatability, and membrane current in the extraction system. A group of 17 non-polar basic drugs with various physical...
Andrea Speltini et al.
Journal of chromatography. A, 1379, 9-15 (2015-01-07)
This work presents a novel analytical method based on graphene for the determination of five widely used fluoroquinolones (FQs) in aqueous matrices. The procedure entails solid-phase extraction (SPE) on graphene-derivatized silica (200mg), followed by liquid chromatography with fluorescence detection. Monolayer...
Peilin Yang et al.
Journal of separation science, 38(13), 2253-2259 (2015-04-25)
Organic acids with very low pKa require extremely low pH conditions to achieve adequate retention in reversed-phase liquid chromatography, but an extremely low pH mobile phase can cause instrument reliability problems and limit the choice of columns. Hydrophilic interaction chromatography...
Kwang Jin Lee et al.
Journal of analytical methods in chemistry, 2014, 150509-150509 (2014-11-12)
The Acer tegmentosum (3 kg) was extracted using hot water, and the freeze-dried extract powder was partitioned successively using dichloromethane (DCM), ethyl acetate (EA), butyl alcohol (n-BuOH), and water. From the EA extract fraction (1.24 g), five phenolic compounds were isolated by...
Carina S D Wink et al.
Analytical and bioanalytical chemistry, 407(6), 1545-1557 (2015-01-13)
Lefetamine (N,N-dimethyl-1,2-diphenylethylamine, L-SPA) was marketed as an opioid analgesic in Japan and Italy. After being widely abused, it became a controlled substance. It seems to be a pharmaceutical lead for designer drugs because N-ethyl-1,2-diphenylethylamine (NEDPA) and N-iso-propyl-1,2-diphenylethylamine (NPDPA) were confiscated...
Oskar Karlsson et al.
Archives of toxicology, 89(3), 423-436 (2014-05-07)
The environmental neurotoxin β-N-methylamino-L-alanine (BMAA) has been implicated in the etiology of neurodegenerative disease, and recent studies indicate that BMAA can be misincorporated into proteins. BMAA is a developmental neurotoxicant that can induce long-term learning and memory deficits, as well...
Md Mujahid et al.
Journal of proteome research, 14(2), 711-727 (2014-11-13)
Aromatic amines are widely distributed in the environment and are major environmental pollutants. Although degradation of aromatic amines is well studied in bacteria, physiological adaptations and stress response to these toxic compounds is not yet fully understood. In the present...
Andreas Bimpilas et al.
Food chemistry, 178, 164-171 (2015-02-24)
Changes in the principal phenolic compounds and metal content during the vinification process and storage under modified atmosphere (50% N2, 50% CO2) of Merlot and Syrah wines, from grapes cultivated in Greece, have been investigated. Comparing the variation of metals...
S U Wetzels et al.
Journal of dairy science, 98(8), 5572-5587 (2015-06-09)
Ecological balance in the rumen is highly sensitive to concentrate-rich diets. Yet the effects of these feeding practices on the caprine bacterial epimural microbiome (CBEM), a microbial community with putative important physiological functions in the rumen, are largely unexplored. This...
Hiroaki Tamaki et al.
PloS one, 10(6), e0131213-e0131213 (2015-06-23)
Sink/source relationships, regulating the mobilization of stored carbohydrates from the vegetative tissues to the grains, are of key importance for grain filling and grain yield. We used different inhibitors of plant hormone action to assess their effects on grain yield...
Xanel Vecino et al.
Journal of agricultural and food chemistry, 63(32), 7143-7150 (2015-07-25)
A decontamination technique based on the utilization of a lipopeptide biosurfactant extracted from corn steep liquor has been developed to eliminate polycyclic aromatic hydrocarbons (PAHs) from sewage sludge. High concentrations of PAHs were used during experiments observing that 408.3 mg/kg...
Arndt Asperger et al.
Journal of proteome research, 14(6), 2633-2641 (2015-05-13)
Although wild-type hen egg white lysozyme (HEL) is lacking the consensus sequence motif NX(S/T), in 1995 Trudel et al. (Biochem. Cell Biol. 1995, 73, 307-309) proposed the existence of a low abundant N-glycosylated form of HEL; however, the identity of...
Xi-Wen Tong et al.
Scientific reports, 5, 12542-12542 (2015-07-28)
The migratory locust displays a reversible, density-dependent transition between the two phases of gregaria and solitaria. This phenomenon is a typical kind of behavior plasticity. Here, we report that COP9 signalosome complex subunit 7A (CSN7A) is involved in the regulation...
Tõiv Haljasorg et al.
Journal of agricultural and food chemistry, 62(23), 5259-5268 (2014-05-23)
A wide range of anthropogenic pollutants that possess serious environmental and health risks are known. One type of these harmful substances that have become a focus of interest during the past decade are perfluoroalkyl acids (PFAAs), which are extensively used...
Valentina Trotta et al.
Drug development and industrial pharmacy, 40(9), 1233-1239 (2013-07-11)
Essential requirements for the efficacy of sunscreen agents are optimal UV absorption, high photostability and resistance against water removal. Aim of this study was to investigate the effect of encapsulation in lipid microparticles (LMs) on the overall performance of the...
Alice Pedrali et al.
Journal of pharmaceutical and biomedical analysis, 107, 125-130 (2015-01-16)
N-Acetylglucosamine is an ingredient in pharmaceuticals, nutritional supplements and in cosmetics. N-Acetylglucosamine in cosmetics is expected to improve skin hydration, reparation, and to contribute as anti-wrinkle agent. This study reports on the validation and application of an HPLC method based...
Elsa Zacco et al.
Biomacromolecules, 16(7), 2188-2197 (2015-05-29)
Self-assembling peptides can be used to create tunable higher-order structures for the multivalent presentation of a variety of ligands. We describe a novel, fiber-forming coiled-coil-based peptide that assembles to display, simultaneously, carbohydrate and peptide ligands recognized by biomacromolecules. Preassembly decoration...
H Abdallah et al.
Journal of chromatography. A, 1355, 61-72 (2014-06-25)
A new high performance liquid chromatography-high resolution mass spectrometry (HPLC-HRMS) method was developed for a simultaneous multi-residue analysis of 22 sulfonamides (SAs) and their metabolites in edible animal (pig, beef, sheep and chicken) tissues. Sample preparation was optimized on the...
Inês Santos Ferreira et al.
International journal of pharmaceutics, 485(1-2), 171-182 (2015-03-17)
The aim of the present study was to develop novel daptomycin-loaded acrylic microparticles with improved release profiles and antibacterial activity against two clinically relevant methicillin-susceptible and methicillin-resistant Staphylococcus aureus strains (MSSA and MRSA, respectively). Daptomycin was encapsulated into poly(methyl methacrylate)...
Seyedsina Moeinzadeh et al.
Tissue engineering. Part A, 21(1-2), 134-146 (2014-07-23)
An attractive approach to reduce the undesired side effects of bone morphogenetic proteins (BMPs) in regenerative medicine is to use osteoinductive peptide sequences derived from BMPs. Although the structure and function of BMPs have been studied extensively, there is limited...
Duc-Viet Nguyen et al.
Molecular pharmaceutics, 12(2), 444-452 (2014-12-17)
Controlled release plays an essential role in formulating topical and transdermal drug delivery systems. In this study, we correlated the skin permeation of Sesamin, a lipophilic drug, with the rheological properties of two different organogel carriers, i.e., low molecular weight...
Tomáš Řezanka et al.
Phytochemistry, 110, 37-45 (2015-01-08)
This study describes the identification of regioisomers and enantiomers of triacylglycerols of C20 polyunsaturated fatty acids (PUFAs) in the alga Trachydiscus minutus cultivated at different temperatures using reversed- and chiral-phase liquid chromatography-mass spectrometry. The use of the two different phases...
Tina Kamčeva et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1001, 212-220 (2015-08-19)
Quantification of endogenous nucleotides is of interest for investigation of numerous cellular biochemical processes, such as energy metabolism and signal transduction, and may also be applied in cancer and antiretroviral therapies in which nucleoside analogues are used. For these purposes...
Alvine C Mehinto et al.
Water research, 83, 303-309 (2015-07-16)
In vitro bioassays have shown promise as water quality monitoring tools. In this study, four commercially available in vitro bioassays (GeneBLAzer(®) androgen receptor (AR), estrogen receptor-alpha (ER), glucocorticoid receptor (GR) and progesterone receptor (PR) assays) were adapted to screen for...
Xiaoqiang Chen et al.
Environmental science and pollution research international, 22(4), 2788-2799 (2014-09-12)
Although bisphenol A (BPA), a representative endocrine-disrupting compound, has been detected frequently in landfill leachate, effective technologies for BPA removal from landfill leachates are limited. We used high silica Y-type zeolite (HSZ-385) for the selective adsorption of BPA from landfill...
John E Schiel et al.
Journal of pharmaceutical sciences, 104(8), 2464-2472 (2015-06-09)
Monoclonal antibody therapeutics are a heterogeneous mixture of glycoforms. Multiple methods exist for defining the glycan composition and relative abundance of species present. In the current report, two MS-based methods were compared for their ability to both identify glycans and...
Jiafei Wang et al.
Journal of separation science, 38(12), 2101-2108 (2015-04-14)
An ionic liquid was incorporated into the porous polymer monoliths to afford stationary phases with enhanced chromatographic performance for small molecules in reversed-phase high-performance liquid chromatography. The effect of the ionic liquid in the polymerization mixture on the performance of...
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