Search Within
Applied Filters:
Showing 1-30 of 582 results for "


" within Papers
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
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
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
Shuai Zhang et al.
Analytical and bioanalytical chemistry, 407(30), 8971-8977 (2015-10-03)
Reliably detecting nitrofurazone (NFZ) residues in farmed crab and shrimp was previously hindered by lack of appropriately specific analytical methodology. Parent NFZ rapidly breaks down in meat, and the commonly used side-chain metabolite, semicarbazide (SEM), is non-specific as it occurs
Bradley W Davis et al.
Biophysical journal, 109(10), 2182-2194 (2015-11-21)
Subcellular compartmentalization of biomolecules and their reactions is common in biology and provides a general strategy for improving and/or controlling kinetics in metabolic pathways that contain multiple sequential enzymes. Enzymes can be colocalized in multiprotein complexes, on scaffolds or inside
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
Selective inhibition of benzyl ether hydrogenolysis with Pd/C due to the presence of ammonia, pyridine or ammonium acetate.
Sajiki H.
Tetrahedron Letters, 36(20), 3465-3468 (1995)
Li Jiao et al.
Digestive diseases and sciences, 60(12), 3590-3602 (2015-07-18)
Inflammatory bowel disease results from a combination of dysfunction of intestinal epithelial barrier and dysregulation of mucosal immune system. iPLA2β has multiple homeostatic functions and shown to play a role in membrane remodeling, cell proliferation, monocyte chemotaxis, and apoptosis. The
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
Sridhar Veeraraghavan et al.
Journal of pharmaceutical and biomedical analysis, 94, 125-131 (2014-02-25)
Efficacy assessments using a combination of ruxolitinib and nilotinib necessitate the development of a high precision analytical method for determination of both drugs in plasma. A high performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed for the simultaneous determination
Walid M Ebeid et al.
Analytical and bioanalytical chemistry, 406(26), 6701-6712 (2014-09-06)
A RP-LC method was developed and validated for simultaneous determination of the active components, azilsartan medoxomil (AZL) and chlorthalidone (CLT), in their novel antihypertensive combined recipe. The chromatographic separation was achieved on an Eclipse XDB-C18 (4.6 × 150 mm, 5 μm) column using a mobile
Alberto Sánchez-Guijo et al.
Journal of lipid research, 56(2), 403-412 (2014-12-17)
Steroid sulfatase (STS) deficiency is the underlying cause of the skin condition known as recessive X-linked ichthyosis (RXLI). RXLI patients show scales on their skin caused by high concentrations of cholesterol sulfate (CS), as they are not capable of releasing
Nantana Nuchtavorn et al.
Journal of chromatography. A, 1286, 216-221 (2013-03-21)
Microfluidic chip electrophoresis (chip-CE) is a separation method that is compatible with portable and on-site analysis, however, only few commercial chip-CE systems with laser-induced fluorescence (LIF) and light emitting diode (LED) fluorescence detection are available. They are established for several
Morten S Opstrup et al.
Contact dermatitis, 72(1), 55-58 (2014-09-12)
Chlorhexidine may cause type I and type IV allergy. Some chlorhexidine-allergic individuals have been exposed in the healthcare setting as patients or healthcare workers, but for others the source of sensitization is unknown. Chlorhexidine may be used as a preservative
Suzanne L Parker et al.
Journal of pharmaceutical and biomedical analysis, 105, 39-45 (2014-12-22)
A high performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) method, using hydrophilic interaction liquid chromatography (HILIC) chromatography for the analysis of fosfomycin in human plasma and urine, has been developed and validated. The plasma method uses a simple protein precipitation using
Hong Yu et al.
Xenobiotica; the fate of foreign compounds in biological systems, 45(3), 270-277 (2014-10-23)
1. Paracetamol overdose remains the leading cause of acute liver failure in humans. This study was undertaken in cynomolgus monkeys to study the pharmacokinetics, metabolism and the potential for hepatotoxic insult from paracetamol administration as a possible model for human
Suzanne L Parker et al.
Bioanalysis, 7(19), 2585-2595 (2015-10-17)
Fosfomycin is an antibiotic of considerable interest for the treatment of infection by multidrug-resistant bacteria. Translating microsampling techniques into clinical PK studies may provide effective dosing information to improve patient outcomes and minimize the potential development of resistance. Accuracy and
Sara Munk Jensen et al.
Life (Basel, Switzerland), 5(3), 1539-1566 (2015-08-27)
The functionality of the plasma membrane is essential for all organisms. Adaption to high growth temperatures imposes challenges and Bacteria, Eukarya, and Archaea have developed several mechanisms to cope with these. Hyperthermophilic archaea have earlier been shown to synthesize tetraether
V T Gawande et al.
Indian journal of pharmaceutical sciences, 77(1), 75-82 (2015-03-15)
The present research work was carried out to determine stability of cefditoren pivoxil, an orally absorbed prodrug that is rapidly hydrolysed by intestinal esterases to the active cephalosporin cefditoren. Cefditoren was subjected to stress conditions recommended by the International Conference
Sebastiaan Bijttebier et al.
Food chemistry, 163, 147-153 (2014-06-11)
Alkaline saponification is often used to remove interfering chlorophylls and lipids during carotenoids analysis. However, saponification also hydrolyses esterified carotenoids and is known to induce artifacts. To avoid carotenoid artifact formation during saponification, Larsen and Christensen (2005) developed a gentler
Yoshiki Asakawa et al.
Journal of separation science, 37(19), 2641-2651 (2014-07-22)
A novel metal aquo-ion affinity chromatography has been developed for the analysis of basic compounds using heat-treated silica gel containing hydrated metal cations (metal aquo-ions) as the packing material. The packing materials of the metal aquo-ion affinity chromatography were prepared
Yong-Gang Zhao et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 28(10), 967-971 (2012-10-13)
A reversed-phase high-performance liquid chromatography (RP-HPLC) method was developed for the simultaneous determination of nine food additives, i.e., acesulfame, saccharin, caffeine, aspartame, benzoic acid, sorbic acid, stevioside, dehydroacetic acid and neotame in red wine. The effects of ion-suppressors, i.e.
Walid M Ebeid et al.
Journal of chromatographic science, 53(7), 1178-1184 (2015-01-13)
A sensitive UPLC-MS/MS method was developed and validated for simultaneous estimation of aliskiren hemifumarate (ALS), amlodipine besylate (AML) and hydrochlorothiazide (HCZ) in spiked human plasma using valsartan as an internal standard (IS). Liquid-liquid extraction was used for purification and pre-concentration
Juan Sánchez-González et al.
Analytica chimica acta, 898, 50-59 (2015-11-04)
Porous membrane-protected micro-solid phase extraction (μ-SPE) using a molecularly imprinted polymer (MIP) as an adsorbent has been proposed as an integrated extraction-cleanup procedure for isolating cocaine (COC) and its metabolites [benzoylecgonine (BZE), ecgonine methyl ester (EME), and cocaethylene (CE)] from
Stephen W C Chung et al.
Journal of agricultural and food chemistry, 62(25), 5805-5811 (2014-06-06)
This paper reports the development of a method for the quantitative analysis of perfluorinated compounds (PFCs), including C6-C14 perfluorinated carboxylic acids (PFCAs) and C4-C12 perfluorinated sulfonates (PFSAs), in fish and fatty foods by ultraperformance liquid chromatography-electrospray ionization-tandem mass spectrometry (UPLC-ESI-MS/MS)
Jing-Jing Xia et al.
Molecules (Basel, Switzerland), 17(5), 5339-5345 (2012-05-09)
Acridinediones were synthesized by the one-pot Hantzsch condensation of an aromatic aldehyde, 5,5-dimethyl-1,3-cyclohexanedione, and aniline/4-methylaniline in refluxing water. This method has then been extended to the four-component reaction of an aromatic aldehyde, 5,5-dimethyl-1,3-cyclohexanedione, ethyl acetoacetate and ammonium acetate for the
Thiago Caon et al.
Journal of pharmaceutical sciences, 103(6), 1643-1651 (2014-04-02)
The potential of the buccal mucosa as an alternative route for the systemic delivery of donepezil (DPZ) hydrochloride, and the impact of various skin penetration enhancers on DPZ buccal permeability, was assessed using an in vitro model. DPZ was applied
A Cortéjade et al.
Talanta, 146, 694-706 (2015-12-24)
The aim of this study was to develop an analytical method and contribute to the assessment of the Exposome. Thus, a targeted analysis of a wide range of contaminants in contact with humans on daily routines in urine was developed.
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
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
Page 1 of 20
Page 1 of 20