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Xiaobai Li et al.
International journal of molecular sciences, 15(11), 19877-19897 (2014-11-05)
The labellum in orchids shares homology with the inner lateral petals of the flower. The labellum is a modified petal and often distinguished from other petals and sepals due to its large size and irregular shape. Herein, we combined two-dimensional
Amy Wong et al.
Journal of lipid research, 55(9), 1902-1913 (2014-07-27)
We describe a novel LC method for the simultaneous and quantitative profiling of 43 oxylipins including eicosanoids, endocannabinoids, and structurally related bioactive lipids with modified acyl groups. The LC-MS/MS method uses switching at a defined time between negative and positive
M Sałaga et al.
Naunyn-Schmiedeberg's archives of pharmacology, 387(11), 1069-1078 (2014-08-01)
Oenothera paradoxa (EP) preparations are commonly used in folk medicine to treat skin diseases, neuralgia, and gastrointestinal (GI) disorders. Several reports suggested that EP preparations exhibit potent anti-inflammatory and antioxidant activities both in vitro and in vivo. Here, we aimed
QingMing Kong et al.
Molecular bioSystems, 11(5), 1400-1409 (2015-03-31)
Artesunate (ART) has high prophylactic efficacy against Schistosoma japonicum infections and has been used to treat and prevent schistosomiasis in China since 1995. However, the molecular mechanism of ART's effects on S. japonicum remains unclear. Herein, we applied isobaric tagging
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
Simone R Carvalho et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 88(1), 136-147 (2014-05-27)
The pharmacokinetics of inhaled rapamycin (RAPA) is compared for amorphous versus crystalline dry powder formulations. The amorphous formulation of RAPA and lactose (RapaLac) was prepared by thin film freezing (TFF) using lactose as the stabilizing agent in the weight ratio
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
Chun-Xia Zhao et al.
Biotechnology and bioengineering, 112(5), 957-964 (2014-11-27)
Antimicrobial peptides, as a new class of antibiotics, have generated tremendous interest as potential alternatives to classical antibiotics. However, the large-scale production of antimicrobial peptides remains a significant challenge. This paper reports a simple and low-cost chromatography-free platform technology for
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
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
Qiangwei Wang et al.
Aquatic toxicology (Amsterdam, Netherlands), 160, 163-171 (2015-02-01)
Tris(1,3-dichloro-2-propyl) phosphate (TDCPP) is an organophosphate flame retardant that is detectable in the environment and biota, prompting concern over its risk to wildlife and human health. Our objective was to investigate whether long-term exposure to low concentrations of TDCPP can
Javier E Ramirez et al.
Food chemistry, 176, 106-114 (2015-01-28)
The HPLC profiles of six fruits endemic of the VIII region of Chile were investigated using high resolution mass analysis (HR-ToF-ESI-MS). The anthocyanin fingerprints generated for the fruits were compared and the antioxidant capacities measured by the scavenging of the
Cuyue Tang et al.
Biochemical pharmacology, 91(4), 543-551 (2014-08-06)
Two investigational compounds (FRM-1, (R)-7-fluoro-N-(quinuclidin-3-yl)benzo[b]thiophene-2-carboxamide and FRM-2, (R)-7-cyano-N-(quinuclidin-3-yl)benzo[b]thiophene-2-carboxamide) resided in rat brain longer than in systemic circulation. In Caco-2 directional transport studies, they both showed good intrinsic passive permeability but differed significantly in efflux susceptibility (efflux ratio of <2 and
Xianqin Wang et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 983-984, 125-131 (2015-02-02)
Cabozantinib (XL184) is a novel small molecule inhibitor of receptor tyrosine kinases (RTKs) targeted at mesenchymal-epithelial transition factor (MET). In order to study the pharmacokinetics and tissue distribution in rat, a specific ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method was
Xin Xiong et al.
Biomedical chromatography : BMC, 29(2), 268-274 (2014-06-24)
A high-throughout bioanalytical method based on salting-out-assisted liquid/liquid extraction (SALLE) method with acetonitrile and mass spectrometry-compatible salts followed by LC-MS/MS analysis of trimetazidine in rat plasma is presented. It required only 50 μL of plasma and allows the use of minimal
Margaret O Sofidiya et al.
Journal of ethnopharmacology, 157, 1-6 (2014-09-23)
The leaves of Markhamia tomentosa (Benth.) K. Schum. Ex Engl. (Bignoniaceae) are used traditionally in the treatment of skin afflictions, sores, ulcers and inflammation. The aim of the study was to investigate the antiulcer activity of the crude ethanolic extract
Mahavir B Chougule et al.
Journal of drug targeting, 22(6), 498-508 (2014-04-16)
The purpose of this study was to investigate the permeation of Noscapine (Nos) across the Caco-2 and Madin-Darby canine kidney (MDCK) cell monolayers and to evaluate the influence of absorption enhancers on in vitro and in vivo absorption of Nos.
Erica L Unger et al.
Experimental neurology, 261, 462-468 (2014-07-08)
Iron deficiency (ID) in rodents leads to decreased ventral midbrain (VMB) iron concentrations and to changes in the dopamine (DA) system that mimic many of the dopaminergic changes seen in RLS patient where low substantia nigra iron is a known
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
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
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)
Wenjing Guo et al.
Antonie van Leeuwenhoek, 107(4), 1017-1027 (2015-01-30)
Carotenoids are a naturally occurring and widely distributed group of pigments that provide protection against photooxidation and inactivate free radicals due to their highly conjugated double-bond systems. Phytoene dehydrogenation is the first rate-limiting step in the carotenoid biosynthetic pathway. Phytoene
Wanyuan Gui et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 16(3), 607-613 (2014-12-11)
A pH-controlled delivery system based on mesoporous silica nanoparticles (MSNs) was constructed for dual-cargo selective release. To achieve a better controlled-release effect, a modified sol-gel method was employed to obtain MSNs with tunable particle and pore sizes. The systems selectively
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
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
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
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
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