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721964

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Weiwei Ye et al.
Journal of chromatographic science, 53(5), 716-724 (2014-09-23)
DB-6, with an IUPAC name of (Z)-5-(2,4-di-tert-butyl-6-((2,4-dioxothiazolidin-5-ylidene)methyl)phenyl)-5'-methyl-7,7'-dimethoxy-[4,4'-bibenzo[d][1,3]dioxole]-5,5'-dicarboxylate, is an investigational agent for acute liver failure. The focus of this study is the identification and characterization of major unknown impurities in DB-6 bulk drug samples. Four major impurities of DB-6 were
DeQing Cao et al.
Drug and chemical toxicology, 38(1), 44-49 (2014-03-22)
A Type II pyrethroid pesticide β-cypermethrin is widely used in agriculture and domestic applications for pest control. However, the effect of β-cypermethrin on the glutamate neurotransmitter has not been well-documented. In the current study, mice were treated with 20, 40
Hyunji Lee et al.
Applied microbiology and biotechnology, 99(22), 9473-9481 (2015-06-11)
The enzyme ferulic acid decarboxylase (FADase) from Enterobacter sp. Px6-4 catalyzes the decarboxylation reaction of lignin monomers and phenolic compounds such as p-coumaric acid, caffeic acid, and ferulic acid into their corresponding 4-vinyl derivatives, that is, 4-vinylphenol, 4-vinylcatechol, and 4-vinylguaiacol
Tarek A Ahmed et al.
AAPS PharmSciTech, 15(3), 772-780 (2014-03-22)
The objective of this study was to investigate the sustained release of a hydrophilic drug, montelukast (MK), from two biodegradable polymeric drug delivery systems, in situ implant (ISI) and in situ microparticles (ISM). N-Methyl pyrrolidone (NMP), dimethyl sulfoxide (DMSO), triacetin
Jae Kyoo Lee et al.
Quarterly reviews of biophysics, 48(4), 437-444 (2015-11-06)
Using high-resolution mass spectrometry, we have studied the synthesis of isoquinoline in a charged electrospray droplet and the complexation between cytochrome c and maltose in a fused droplet to investigate the feasibility of droplets to drive reactions (both covalent and
Nikolett Baranyi et al.
Acta biologica Hungarica, 66(3), 339-347 (2015-09-08)
The occurrence of potential aflatoxin producing fungi was examined in various agricultural products and indoor air in Central European countries including Hungary, Serbia and Croatia. For species identification, both morphological and sequence based methods were applied. Aspergillus flavus was detected
Timothy R Fennell et al.
Toxicological sciences : an official journal of the Society of Toxicology, 146(2), 386-394 (2015-07-05)
Acrylamide is an industrial chemical used to manufacture polymers, and is produced in foods during cooking at high heat. Hemoglobin adducts provide a long-lived dosimeter for acrylamide and glycidamide. This study determined acrylamide and glycidamide hemoglobin adducts (AAVal and GAVal)
Jian-Sheng Liu et al.
International journal of nanomedicine, 9, 3923-3935 (2014-08-26)
P-glycoprotein (P-gp) mediated drug efflux across the blood-brain barrier (BBB) is an important mechanism underlying poor brain penetration of certain antiepileptic drugs (AEDs). Nanomaterials, as drug carriers, can overcome P-gp activity and improve the targeted delivery of AEDs. However, their
Takeshi Fukushima et al.
Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine, 28(4), 669-677 (2015-04-09)
We previously developed a chelating ligand, 1-(2-hydroxy-3-methoxybenzaldehyde)-4-aminosalicylhydrazone (HMB-ASH), which can chelate Fe(III) to form a complex. The HMB-ASH-Fe(III) complex exhibits a dose-dependent anti-proliferative effect in HepG2 cells, whereas the ligand, HMB-ASH, and Fe(III) alone had no considerable effect. The HMB-ASH-Fe(III)
Gemma Moiset et al.
Journal of the American Chemical Society, 136(46), 16167-16175 (2014-10-16)
Disaccharides are well-known for their membrane protective ability. Interaction between sugars and multicomponent membranes, however, remains largely unexplored. Here, we combine molecular dynamics simulations and fluorescence microscopy to study the effect of mono- and disaccharides on membranes that phase separate
Thiloka C Ariyasena et al.
Journal of chromatography. A, 1361, 240-254 (2014-08-30)
Retention factors on several columns and at various temperatures using gas chromatography and from reversed-phase liquid chromatography on a SunFire C18 column with various mobile phase compositions containing acetonitrile, methanol and tetrahydrofuran as strength adjusting solvents are combined with liquid-liquid
Marcello Locatelli et al.
Journal of chromatography. A, 1388, 79-86 (2015-02-24)
This paper reports the validation of a quantitative high performance liquid chromatography-photodiode array (HPLC-PDA) method for the simultaneous analysis, in mouse plasma, of eperisone hydrochloride and paracetamol by protein precipitation using zinc sulphate-methanol-acetonitrile. The analytes were resolved on a Gemini
Esther See et al.
International journal of pharmaceutics, 473(1-2), 528-535 (2014-08-01)
To facilitate the development of a liposomal formulation for cancer therapy, the physicochemical properties of asulacrine (ASL), an anticancer drug candidate, were characterized. Nano-liposomes were prepared by thin-film hydration in conjugation with active drug loading using ammonium sulphate and post-insertion
Lennart Leßmeier et al.
Applied microbiology and biotechnology, 99(23), 10163-10176 (2015-08-16)
Methanol, a one-carbon compound, can be utilized by a variety of bacteria and other organisms as carbon and energy source and is regarded as a promising substrate for biotechnological production. In this study, a strain of non-methylotrophic Corynebacterium glutamicum, which
Ting-Wen Yang et al.
Journal of pharmaceutical and biomedical analysis, 114, 280-287 (2015-06-21)
Single standard to determine multi-components (SSDMC) is a practical pattern for quality evaluation of herbal medicines (HMs). However, it remains challenging because of potential inconsistency of relative response factors (RRF) on different instruments. In this work, the effects of two
Sung Pil Hyun et al.
Environmental science and pollution research international, 22(21), 16463-16474 (2015-08-19)
Cis-1,2,-dichloroethylene (cis-DCE) is a toxic, persistent contaminant occurring mainly as a daughter product of incomplete degradation of perchloroethylene (PCE) and trichloroethylene (TCE). This paper reports on abiotic reductive dechlorination of cis-DCE by mackinawite (FeS1-x), a ferrous monosulfide, under variable geochemical
Francesca Giuffrida et al.
Lipids, 49(10), 997-1004 (2014-09-05)
It has been reported that dietary gangliosides may have an important role in preventing infections and in brain development during early infancy. However, data related to the evolution of their concentration over the different stages of lactation are scarce. Liquid
Anna C C Aguiar et al.
Memorias do Instituto Oswaldo Cruz, 110(7), 906-913 (2015-11-13)
Several species of Aspidosperma plants are used to treat diseases in the tropics, including Aspidosperma ramiflorum, which acts against leishmaniasis, an activity that is experimentally confirmed. The species, known as guatambu-yellow, yellow peroba, coffee-peroba and matiambu, grows in the Atlantic
Sohail Mohammad et al.
Therapie, 70(4), 329-335 (2015-02-14)
A two way, randomized cross-over bioequivalence study was conducted to analyse the rate and extent of absorption of atorvastatin after a single dose of 80 mg atorvastatin as atorvastatin calcium tablets. The study was carried out using healthy male volunteers
Panfeng Yu et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 959, 55-61 (2014-04-29)
This paper described a novel application of PEGylated magnetic carbon nanotubes as solid-phase extraction nanosorbents for the determination of puerarin in rat plasma by high performance liquid chromatography (HPLC). A solvothermal method was employed for the synthesis of monodisperse magnetites
Zhuoyang Fan et al.
PloS one, 10(4), e0120129-e0120129 (2015-04-02)
Genexol-PM, produced by Samyang Company (Korea) is an excellent preparation of paclitaxel (PTX) for clinical cancer treatment. However, it cannot resolve the issue of multidrug resistance (MDR)-a significant problem in the administration of PTX to cancer patients. To increase the
Roman Generalov et al.
Colloids and surfaces. B, Biointerfaces, 129, 79-86 (2015-04-02)
Nanoparticulates responsive to X-rays offer increased efficacy of radiation therapy. However, successful demonstrations of such nanoparticle use are limited so far due to lack of significant radiosensitizing effects or poor nanoparticle stability in a biological system. Zinc oxide (ZnO) is
Wei Zhang-Sun et al.
FEBS letters, 589(1), 165-171 (2014-12-06)
The levels of sulfate-reducing bacteria (SRB), including Desulfovibrionaceae, in the gut increase following a fat-enriched diet. Endotoxins from gut microbiota contribute to the inflammation process, leading to metabolic diseases. Thus, we sought to characterize the lipid A structures of Desulfovibrionaceae
Amedeo Cappione et al.
Journal of immunological methods, 419, 48-56 (2015-03-31)
Protein immuno-detection encompasses a broad range of analytical methodologies, including western blotting, flow cytometry, and microscope-based applications. These assays which detect, quantify, and/or localize expression for one or more proteins in complex biological samples, are reliant upon fluorescent or enzyme-tagged
H Stöckmann et al.
Integrative biology : quantitative biosciences from nano to macro, 7(9), 1026-1032 (2015-07-21)
Complex carbohydrates are rapidly becoming excellent biomarker candidates because of their high sensitivity to pathological changes. However, the discovery of clinical glycobiomarkers has been slow, due to the scarcity of high-throughput glycoanalytical workflows that allow rapid glycoprofiling of large clinical
Yuanyuan Zhang et al.
Archives of animal nutrition, 68(4), 320-335 (2014-07-01)
The aim of the present study was to investigate the sorption properties in vitro and the application feasibility of modified halloysite nanotubes (HNT) in reducing the toxic effect of ZEN in rats in vivo. HNT were modified using the surfactant
Si-Rui Ma et al.
Oncotarget, 6(11), 8807-8821 (2015-04-15)
Anterior gradient protein 2 (AGR2) is a novel biomarker with potential oncogenic role. We sought to investigate the diagnostic and prognostic role of AGR2 on head and neck squamous cell carcinoma (HNSCC) with an emphasis on its correlation of cancer
Kazuhiko Kurosawa et al.
Bioresource technology, 193, 206-212 (2015-07-05)
Extracting lipids from oleaginous microbial cells in a cost effective and environmentally compatible manner remains a critical challenge in developing manufacturing paradigms for advanced liquid biofuels. In this study, a new approach using microbial growth inhibitors from lignocellulose-derived feedstocks was
Florian Noulin et al.
PloS one, 9(11), e112496-e112496 (2014-11-14)
The predilection of Plasmodium vivax (P. vivax) for reticulocytes is a major obstacle for its establishment in a long-term culture system, as this requires a continuous supply of large quantities of reticulocytes, representing only 1-2% of circulating red blood cells.
Hamid Hashemi-Moghaddam et al.
Journal of AOAC International, 97(5), 1434-1438 (2015-04-24)
A new molecularly imprinted polymer (MIP) was synthesized using methacrylic acid (functional monomer), ethylene glycol dimethacrylate (crosslinker), 2,2'-azobisisobutironitril (initiator), silver (Ag) dithizone complex (template), and chloroform (porogenic solvent). This process was a noncovalent, bulk, thermal radical-polymerization. To compare the performance
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