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Yoshimasa Taniguchi et al.
Bioscience, biotechnology, and biochemistry, 79(10), 1684-1694 (2015-05-23)
The bitter acids in hops (Humulus lupulus L.) and beer, such as α-, β-, and iso-α-acids, are known to affect beer quality and display various physiological effects. However, these compounds readily oxidize, and the effect of the oxides on the
Monika Gibis et al.
Journal of food science, 80(11), C2430-C2439 (2015-10-08)
The impact of precursors such as creatine, creatinine, and glucose on the formation of mutagenic/carcinogenic heterocyclic amines (HAs) were studied in patties of 9 different animal species equally heat treated with a double-plate contact grill. All grilled patties of the
Paresh A Parmar et al.
Biomaterials, 54, 213-225 (2015-04-25)
Regenerative medicine strategies for restoring articular cartilage face significant challenges to recreate the complex and dynamic biochemical and biomechanical functions of native tissues. As an approach to recapitulate the complexity of the extracellular matrix, collagen-mimetic proteins offer a modular template
Amadeu Gavaldà et al.
Pulmonary pharmacology & therapeutics, 28(2), 114-121 (2014-06-15)
This study characterised the in vitro and in vivo profiles of two novel long-acting muscarinic antagonists, aclidinium bromide and glycopyrronium bromide, using tiotropium bromide and ipratropium bromide as comparators. All four antagonists had high affinity for the five muscarinic receptor sub-types (M1-M5);
Christine Cahyadi et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 90, 30-37 (2014-12-03)
The Supercell coater was developed as an in-line small batch tablet coater which uses air-fluidization for tablet coating. Coating time is very much reduced, with improved heat and mass transfer. It was hypothesized that the quasi-continuous Supercell coating process was
Xiuhong Wu et al.
Biomedical chromatography : BMC, 29(8), 1184-1189 (2015-01-23)
The metabolism of swertiamarin in vivo was studied by LC-MS following 2,4-dinitrophenylhydrazine derivatization. The ionization efficiency of the main metabolite erythrocentaurin was greatly enhanced by the new analytical method developed, and erythrocentaurin was successfully detected for the first time in
Gamma Chi et al.
European biophysics journal : EBJ, 44(7), 589-598 (2015-08-04)
The mechanosensitive channel of large conductance MscL is a well-characterized mechanically gated non-selective ion channel, which often serves as a prototype mechanosensitive channel for mechanotransduction studies. However, there are some discrepancies between MscL constructs used in these studies, most notably
Y Mei et al.
Oncogene, 33(29), 3839-3850 (2013-08-27)
Podoplanin is highly expressed in human cancers. However, mechanisms regulating podoplanin expression remain elusive. Here we show that podoplanin promotes tumorigenesis of oral squamous cell carcinoma (OSCC) and precancerous cells both in vitro and in vivo, and the ErbB3-binding protein-1
Basavaraj Siddalingappa et al.
PloS one, 10(3), e0118824-e0118824 (2015-03-24)
Resveratrol is naturally occurring phytochemical with diverse biological activities such as chemoprevention, anti-inflammatory, anti-cancer, anti-oxidant. But undergoes rapid metabolism in the body (half life 0.13h). Hence Polymer conjugation utilizing different chemical linkers and polymer compositions was investigated for enhanced pharmacokinetic
Xuekui Dong et al.
Journal of integrative plant biology, 56(9), 876-886 (2014-04-16)
Flavonoids constitute a major group of plant phenolic compounds. While extensively studied in Arabidopsis, profiling and naturally occurring variation of these compounds in rice (Oryza sativa), the monocot model plant, are less reported. Using a collection of rice germplasm, comprehensive
Neale Harrison et al.
PloS one, 9(11), e113007-e113007 (2014-11-26)
N-acylethanolamines are an important class of lipid signaling molecules found in many species, including the nematode Caenorhabditis elegans (C. elegans) where they are involved in development and adult lifespan. In mammals, the relative activity of the biosynthetic enzyme N-acyl phosphatidylethanolamine-specific
L Fontana et al.
Cancer letters, 359(1), 87-96 (2015-01-13)
MAP/microtubule affinity-regulating kinase 4 (MARK4) is a serine-threonine kinase that phosphorylates microtubule-associated proteins taking part in the regulation of microtubule dynamics. MARK4 is expressed in two spliced isoforms characterized by inclusion (MARK4S) or exclusion (MARK4L) of exon 16. The distinct
Anna W Sromek et al.
Journal of labelled compounds & radiopharmaceuticals, 57(14), 725-729 (2014-11-18)
Aporphines are attractive candidates for imaging D2 receptor function because, as agonists rather than antagonists, they are selective for the receptor in the high affinity state. In contrast, D2 antagonists do not distinguish between the high and low affinity states
Jose Luis Ramirez et al.
Nature communications, 6, 7403-7403 (2015-06-24)
Exposure of Anopheles gambiae mosquitoes to Plasmodium infection enhances the ability of their immune system to respond to subsequent infections. However, the molecular mechanism that allows the insect innate immune system to 'remember' a previous encounter with a pathogen has
Mikhail A Kabeshov et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(34), 12026-12033 (2015-07-07)
Comprehensive mechanistic studies on the enantioselective aldol reaction between isatin (1 a) and acetone, catalyzed by L-leucinol (3 a), unraveled that isatin, apart from being a substrate, also plays an active catalytic role. Conversion of the intermediate oxazolidine 4 into the reactive
Aiming Liu et al.
Pharmacological reports : PR, 67(2), 299-304 (2015-02-26)
The antiepileptic drug carbamazepine (CBZ) is a typical inducer of cytochrome P450 (CYP) 3A and 2C in the clinic. It is considered a strong constitutive androstane receptor activator, however both CBZ and its main metabolite CBZ 10, 11-epoxide have been
Tadeu Chaves de Figueiredo et al.
Talanta, 142, 240-245 (2015-05-25)
A quantitative and confirmatory high-performance liquid chromatography with ultraviolet detection (HPLC-UV) method for the determination of bioactive amines in the albumen and yolk of commercial eggs was developed, optimized and validated by analyte extraction with trichloroacetic acid and pre-column derivatization
Andreas Reisch et al.
ACS nano, 9(5), 5104-5116 (2015-04-22)
Ultrasmall polymer nanoparticles are rapidly gaining importance as nanocarriers for drugs and contrast agents. Here, a straightforward modular approach to efficiently loaded and stable sub-20-nm polymer particles is developed. In order to obtain ultrasmall polymer nanoparticles, we investigated the influence
Pierre-André Billat et al.
Analytical and bioanalytical chemistry, 407(12), 3449-3456 (2015-02-24)
Ganciclovir (GCV) is prescribed for cytomegalovirus infection which is a major issue in immunodepressed patients. It is however characterized by hematological toxicity. A better understanding of GCV concentration-effects relationships implies the measurement of intracellular forms. The objective of this study
Judith Taibon et al.
Journal of agricultural and food chemistry, 63(23), 5707-5713 (2015-05-26)
The entomopathogenic fungus Metarhizium brunneum is widely applied as a biological pest control agent. Consequently, its use has to be accompanied by a risk management approach, which includes the need to monitor the fate of its bioactive metabolites in the
Rodica Mărgăoan et al.
Journal of agricultural and food chemistry, 62(27), 6306-6316 (2014-06-19)
Total and individual carotenoids, fatty acid composition of total lipids, and main lipid classes of 16 fresh bee-collected pollen samples from Romania were determined by high-performance liquid chromatography with photodiode array detection and capillary gas chromatography with mass detection. Analyzed
Dan T Vogl et al.
Autophagy, 10(8), 1380-1390 (2014-07-06)
The efficacy of proteasome inhibition for myeloma is limited by therapeutic resistance, which may be mediated by activation of the autophagy pathway as an alternative mechanism of protein degradation. Preclinical studies demonstrate that autophagy inhibition with hydroxychloroquine augments the antimyeloma
Ravi Bhushan et al.
Journal of chromatography. A, 1379, 43-50 (2015-01-13)
Five d-amino acids have been used for the first time to synthesize chiral derivatizing reagents (as variants of Marfey's reagent) by nucleophilic displacement of one of the fluorine atoms in 1,5-difluoro-2,4-dinitrobenzene as against the literature reports on application of only
Darshan V Chaudhary et al.
Biomedical chromatography : BMC, 29(10), 1527-1534 (2015-03-13)
A simple, rapid and sensitive ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method has been developed and validated for the determination of alosetron (ALO) in human plasma. The assay method involved solid-phase extraction of ALO and ALO 13C-d3 as internal standard
Yan Ma et al.
Drug development and industrial pharmacy, 41(2), 177-182 (2014-08-13)
Aim to design an effective breviscapine nanoscale drug delivery system to realize the improvement of its oral bioavailability. Based on the investigations of the stabilities in the gastrointestinal tract (GIT), permeation and efflux across the cell membrane, the breviscapine nanoemulsion
Agnieszka Karbownik et al.
European journal of drug metabolism and pharmacokinetics, 40(2), 163-170 (2014-03-29)
The study aimed to examine the effect of sunitinib on the plasma exposure of intravenous paracetamol and its major metabolite, paracetamol glucuronide. Both drugs share metabolic pathways in the liver, and the drug interactions between sunitinib and paracetamol administered in
Ashish V Kalra et al.
Cancer research, 74(23), 7003-7013 (2014-10-03)
A major challenge in the clinical use of cytotoxic chemotherapeutics is maximizing efficacy in tumors while sparing normal tissue. Irinotecan is used for colorectal cancer treatment but the extent of its use is limited by toxic side effects. Liposomal delivery
Katya Govender et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 985, 6-13 (2015-02-04)
A liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed and validated for the quantitation of the antimalarial drug, lumefantrine (LF), in mouse whole blood and plasma. The analyte was extracted using a protein precipitation method followed by chromatographic separation on
Fabrice Gritti et al.
Journal of chromatography. A, 1376, 112-125 (2014-12-30)
We propose an original model of effective diffusion along packed beds of mesoporous particles for HILIC developed by combining Torquatos model for heterogeneous beds (external eluent+particles), Landauers model for porous particles (solid skeleton+internal eluent), and the time-averaged model for the
Jiali Liu et al.
Journal of pharmaceutical and biomedical analysis, 111, 257-265 (2015-04-29)
This study was carried out to identify some new antidepressant compounds present in Radix Bupleuri (RB) and to develop a method for their quantitative analysis in rat serum for the first time. Four polyacetylenes, including two new compounds, were isolated
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