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Showing 1-30 of 482 results for "09689" within Papers
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
Dominic J Hare et al.
ACS chemical neuroscience, 6(3), 398-402 (2015-01-15)
Plasma iron levels are decreased in Alzheimer's disease (AD) and associated with an idiopathic anemia. We examined iron-binding plasma proteins from AD patients and healthy controls from the Australian Imaging, Biomarkers and Lifestyle (AIBL) Flagship Study of Ageing using size
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
Miina Ruokolainen et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 65, 45-55 (2014-09-16)
The aim of this study was to investigate the feasibility of titanium dioxide (TiO2) photocatalysis for oxidation of anabolic steroids and for imitation of their phase I metabolism. The photocatalytic reaction products of five anabolic steroids were compared to their
Jessica Oenarto et al.
Archives of biochemistry and biophysics, 560, 59-72 (2014-07-09)
This study characterizes the expression of the osmolyte transporters betaine/γ-amino-n-butyric acid (GABA) transporter (BGT-1), the taurine transporter (TauT) and the sodium-dependent myo-inositol transporter (SMIT) in various rat brain cells in culture and in rat and human cerebral cortex in situ.
Julie Maria Dersch et al.
Analytical and bioanalytical chemistry, 407(10), 2829-2836 (2015-02-05)
Human serum albumin (HSA) is the most abundant protein in the human plasma. HSA has several physiological roles in the human body, including storage and transport. Owing to the predominance of albumin in plasma, HSA is often involved in the
Shuaijun Yang et al.
Journal of the American Chemical Society, 134(29), 11868-11871 (2012-07-04)
We have discovered that squaraine NCSQ easily react with ketones in the presence of ammonium acetate to form a novel type of squaraine CCSQ. It is interesting to find that NCSQs exhibit unusual solid-state fluorescence, whereas CCSQs only exhibit fluorescence
Giuseppe Cirillo et al.
Materials science & engineering. C, Materials for biological applications, 48, 499-510 (2015-01-13)
Thermo-responsive hydrogel films, synthesized by UV-initiated radical polymerization, are proposed as delivery devices for non-steroidal anti-inflammatory drugs (Diclofenac sodium and Naproxen). N-isopropylacrylamide and N,N'-ethylenebisacrylamide were chosen as thermo-sensitive monomer and crosslinker, respectively. Infrared spectroscopy was used to assess the incorporation
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
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
J Y Liew et al.
Nutrition, metabolism, and cardiovascular diseases : NMCD, 25(3), 274-279 (2015-02-03)
To investigate the association between vitamin D levels, angiographic severity of coronary artery disease, arterial stiffness and degree of peripheral arterial disease (PAD) as assessed by ankle brachial index (ABI). 375 patients undergoing coronary angiography from November 2012 to September
R Kanďár et al.
Andrologia, 46(10), 1079-1088 (2013-10-16)
A method is described here for the determination of total glutathione (TGSH) and glutathione disulphide (GSSG) in the seminal plasma of the male partners of couples requesting a fertility evaluation. A suitable sample preparation procedure prior to high-performance liquid chromatography
Tao Li et al.
Rapid communications in mass spectrometry : RCM, 28(17), 1929-1936 (2014-08-05)
Clinical adverse reactions to ampicillin sodium are closely related to its impurities and degradation products. Several unknown degradation products have been detected in the degradation samples of ampicillin sodium. Therefore, a sensitive and accurate method is required to rapidly identify
S J Lupton et al.
Journal of agricultural and food chemistry, 62(30), 7577-7585 (2014-07-16)
Heavy sows (n = 126) were treated with penicillin G procaine at a 5× label dose (33 000 IU/kg) for 3 consecutive days by intramuscular (IM) injection using three patterns of drug administration. Treatments differed by injection pattern and injection volume.
Lucas Willmann et al.
Analytical and bioanalytical chemistry, 407(13), 3555-3566 (2015-03-05)
Modified nucleosides derived from the RNA metabolism constitute an important chemical class, which are discussed as potential biomarkers in the detection of mammalian breast cancer. Not only the variability of modifications, but also the complexity of biological matrices such as
Ghada M Hadad et al.
Journal of chromatographic science, 50(6), 509-515 (2012-04-25)
A high-performance liquid chromatographic method was optimized and validated for the determination of desacetyl nitazoxanide (tizoxanide), the main active metabolite of nitazoxanide in human plasma, urine and breast milk. The proposed method used a CN column with mobile phase consisting
Tatsuya Nishiyama et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(48), 17152-17157 (2014-11-21)
Organocatalysts, low-molecular mass organic compounds composed of nonmetallic elements, are often used in organic synthesis, but there have been no reports of organocatalysts of biological origin that function in vivo. Here, we report that actinorhodin (ACT), a natural product derived
Pilar Viñas et al.
Journal of chromatography. A, 1376, 18-25 (2014-12-30)
Phthalic acid esters (PEs) were preconcentrated from cleaning products, detergents and cosmetics using ultrasound assisted extraction (UAE) in the presence of acetonitrile, and then submitted to dispersive liquid-liquid microextraction (DLLME). For DLLME, 3mL of acetonitrile extract, 150μL carbon tetrachloride and
Yuki Maeda et al.
Journal of chromatography. A, 1355, 206-210 (2014-07-09)
A novel pre-column fluorescence derivatization method for chromatographic analysis of azide compounds was developed based on the Huisgen reaction, which is a specific cycloaddition reaction between an alkyne and an azide. We designed and synthesized a fluorescent alkyne, 2-(4-ethynylphenyl)-4,5-diphenyl-1H-imidazole (DIB-ET)
Sifei Han et al.
Pharmaceutical research, 32(5), 1830-1844 (2014-12-03)
Recent studies have demonstrated the potential for a triglyceride (TG) mimetic prodrug to promote the delivery of mycophenolic acid (MPA) to the lymphatic system. Here, the metabolic pathways that facilitate the lymphatic transport of the TG prodrug (1,3-dipalmitoyl-2-mycophenoloyl glycerol, 2-MPA-TG)
Fang Yan et al.
Malaria journal, 13, 401-401 (2014-10-15)
Piperaquine, 1,3-bis-[4-(7-chloroquinolyl-4)-piperazinyl-1]-propane, is an anti-malarial compound belonging to the 4-aminoquinolines, which has received renewed interest in treatment of drug resistant falciparum malaria in artemisinin-based combination therapy with dihydroartemisinin. The impurity profile of this drug product is paid an ever-increasing attention.
Damayanthi Devineni et al.
International journal of clinical pharmacology and therapeutics, 53(2), 115-128 (2014-11-20)
Canagliflozin, a sodium-glucose co-transporter 2 inhibitor, approved for the treatment of type-2 diabetes mellitus (T2DM), is metabolized by uridine diphosphate-glucuronosyltransferases (UGT) 1A9 and UGT2B4, and is a substrate of P-glycoprotein (P-gp). Canagliflozin exposures may be affected by coadministration of drugs
Sebastiaan Bijttebier et al.
Food chemistry, 165, 371-378 (2014-07-21)
Food processing enterprises produce enormous amounts of organic waste that contains valuable phytochemicals (e.g. C17-polyacetylenes). Knowledge on the phytochemicals content is a first step towards valorisation. Quantification of C17-polyacetylenes is however often hampered by the lack of commercially available standards
Haidy Metwally et al.
Analytical chemistry, 87(4), 2434-2442 (2015-01-17)
Protein analyses by electrospray ionization (ESI) mass spectrometry can suffer from interferences caused by nonvolatile salts. The mechanistic basis of this effect remains to be fully investigated. In the current work we explore the behavior of proteins under native and
Hua Zhang et al.
Analytical chemistry, 87(5), 2878-2883 (2015-02-14)
Characterization of enzymatic reactions occurring in untreated biological samples is of increasing interest. Herein, the chemical conversion of alliin to allicin, catalyzed by allinase, in raw garlic cloves has been followed in vivo by internal extractive electrospray ionization mass spectrometry
Yu Zhang et al.
Environmental science and pollution research international, 21(16), 9468-9476 (2013-08-15)
Nonylphenol ethoxylates (NPEOs) with low ethoxylation degree (NPav₂EO; containing two ethoxy units on average) and estrogenic properties are the intermediate products of nonionic surfactant NPEOs. To better understand the environmental fate of low-ethoxylated NPEOs, phylogenetically diverse low-ethoxylated NPEO-degrading bacteria were
Morten Persson et al.
Molecular pharmaceutics, 11(8), 2796-2806 (2014-06-24)
The urokinase-type plasminogen activator receptor (uPAR) is implicated in cancer invasion and metastatic development in prostate cancer and provides therefore an attractive molecular target for both imaging and therapy. In this study, we provide the first in vivo data on
Maciej Jarosz et al.
Analytica chimica acta, 851, 72-77 (2014-12-03)
Electrospray ionization mass spectrometry (ESI-MS) techniques have been used to characterize the speciation of a Ru(III) anticancer drug, indazolium trans-[tetrachloridobis(1H-indazole) ruthenate(III)], upon its binding to transferrin and the impact of cellular reducing components on drug-transferrin adducts. Using time-of-flight ESI-MS, the
Angelica Guerrero-Castilla et al.
Environmental toxicology and pharmacology, 38(3), 742-750 (2014-10-13)
Exposure to coal dust has been associated with different chronic diseases and mortality risk. This airborne pollutant is produced during coal mining and transport activities, generating environmental and human toxicity. The aim of this study was to determine the effects
Igor Otavio Minatel et al.
Journal of medicinal food, 17(10), 1134-1141 (2014-08-28)
Bioactive components in rice vary depending on the variety and growing condition. Fat-soluble components such as γ-oryzanol, tocopherols, tocotrienols, carotenoids, and fatty acids were analyzed in brown, sugary brown, red, and black rice varieties using established high-performance liquid chromatography (HPLC)
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