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271004
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Katherine A Rempe et al.
mBio, 6(4) (2015-08-27)
Glycosylation is a widespread mechanism employed by both eukaryotes and bacteria to increase the functional diversity of their proteomes. The nontypeable Haemophilus influenzae glycosyltransferase HMW1C mediates unconventional N-linked glycosylation of the adhesive protein HMW1, which is encoded in a two-partner
Chenrong Huang et al.
Journal of chromatographic science, 52(7), 636-640 (2013-07-11)
A novel method has been developed for the determination of cefaclor in human plasma by ultra-performance liquid chromatography combined with tandem mass spectrometry (UPLC-MS-MS). The plasma was treated by a single step of protein precipitation with acetonitrile. The chromatographic separation
Jing Li et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 970, 77-85 (2014-09-23)
A highly selective and sensitive method for simultaneous quantitation of osthole, bergapten and isopimpinellin in rat plasma and tissues was developed by liquid chromatography-tandem quadrupole mass spectrometry (LC-MS/MS). After liquid-liquid extraction of samples with methyl tert-butyl ether, the analytes and
Raúl Pérez-Ortuño et al.
Analytical and bioanalytical chemistry, 407(28), 8463-8473 (2015-09-08)
A straightforward, high-throughput method was developed and fully validated for the simultaneous determination of the specific tobacco biomarkers nicotine and its main metabolite cotinine in a wide dynamic range and supporting the most common human biological matrices (urine, oral fluid
Mitsuru Tanaka et al.
Molecular nutrition & food research, 59(8), 1541-1549 (2015-03-27)
The basic dipeptide, Trp-His, was found to show an in vivo anti-atherosclerotic effect when orally administered to apo E-deficient mice. In addition, this dipeptide causes vasorelaxation in contracted rat aorta via suppression of intracellular Ca(2+) signaling cascades. In this study
M Serrano et al.
Talanta, 143, 71-76 (2015-06-17)
In the last decades, the assessment of polycyclic aromatic hydrocarbons' exposure has generated great interest and 1-hydroxypyrene (1-OHP) has been commonly used as a biological indicator of exposure to PAHs in many studies in environmental and occupational health. In this
Michael D Williams et al.
Analytical and bioanalytical chemistry, 407(16), 4581-4595 (2015-05-07)
Colorectal cancer (CRC) remains a leading cause of cancer death worldwide, despite the fact that it is a curable disease when diagnosed early. The development of new screening methods to aid in early diagnosis or identify precursor lesions at risk
Zhouen Zhang et al.
Journal of labelled compounds & radiopharmaceuticals, 57(8), 540-549 (2014-07-06)
The nucleosides zidovudine (AZT), stavudine (d4T), and telbivudine (LdT) are approved for use in the treatment of human immunodeficiency virus (HIV) and hepatitis B virus (HBV) infections. To promote positron emission tomography (PET) imaging studies on their pharmacokinetics, pharmacodynamics, and
Youn Gee Seo et al.
Archives of pharmacal research, 38(2), 223-228 (2014-08-20)
The purpose of this study was to develop a novel tacrolimus-loaded solid self-emulsifying drug delivery system (SEDDS) using Labrafac as an oil phase. The ternary phase diagram was plotted with Labrafac, Labrasol and Lauroglycol used as an oil, surfactant and
Qiu Zhong et al.
BMC cancer, 15, 625-625 (2015-09-12)
Poor initial response to tamoxifen due to CYP2D6 polymorphism and adverse side effects are two clinical challenges in tamoxifen therapy. We report the development and preclinical testing of a boronic prodrug to orally deliver 4-OHT at therapeutically effective concentrations but
Rachel Morrison et al.
Pharmaceutical research, 31(10), 2904-2917 (2014-05-06)
To design and synthesize chemoembolization particles for the delivery of Ophiobolin A (OphA), a promising fungal-derived chemotherapeutic, directly at the tumour location. To investigate cell death mechanism of OphA on a Rhabdomyosarcoma cancer (RD) cell line. Rhabdomyosarcoma is the most
Jef Stappaerts et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 90, 1-7 (2015-01-17)
The aim of this study was to evaluate the intestinal disposition of abiraterone acetate, an ester prodrug of the anticancer agent abiraterone. Stability of the prodrug and solubility and dissolution characteristics of both abiraterone and abiraterone acetate were monitored in
Joanne D Du et al.
International journal of pharmaceutics, 471(1-2), 358-365 (2014-06-01)
Targeted drug delivery to the buccal mucosa offers distinct advantages over oral delivery to the gastrointestinal tract including by-passing hepatic first-pass metabolism. However, the buccal route is often limited by low bioavailability, low drug loading and reduced residence time due
Christian Borgo et al.
Biochimica et biophysica acta, 1853(7), 1693-1701 (2015-04-19)
In eukaryotic protein synthesis the translation initiation factor 3 (eIF3) is a key player in the recruitment and assembly of the translation initiation machinery. Mammalian eIF3 consists of 13 subunits, including the loosely associated eIF3j subunit that plays a stabilizing
P G J Ter Horst et al.
European journal of clinical pharmacology, 71(12), 1493-1500 (2015-09-30)
Clomipramine is one of the drugs for depression during pregnancy; however, pharmacokinetic data of clomipramine and its active metabolite desmethylclomipramine in this vulnerable period are lacking. In this study, we describe clomipramine and desmethylclomipramine concentrations including their ratios during pregnancy.
Andreas von Bohl et al.
Malaria journal, 14, 435-435 (2015-11-06)
During development in human erythrocytes, Plasmodium falciparum parasites display a remarkable number of adhesive proteins on their plasma membrane. In the invasive merozoites, these include members of the PfMSP1 and PfAMA1/RON complexes, which facilitate contact between merozoites and red blood
Yanping Luo et al.
Journal of medical microbiology, 64(Pt 1), 18-24 (2014-11-25)
Matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) MS systems was not officially launched for diagnostic use in clinical microbiology laboratories in China until 2012. Here, we report the findings from the first large-scale evaluation study of VITEK MS for routine
Zhuo Guo et al.
Neural regeneration research, 10(8), 1298-1304 (2015-10-22)
The clinical effect of electroacupuncture on depression is widely recognized. However, the signal transduction pathways and target proteins involved remain unclear. In the present study, rat models of chronic restraint stress were used to explore the mechanism by which electroacupuncture
Feng Zhang et al.
Fungal biology, 119(2-3), 114-124 (2015-03-10)
Aspergillus flavus, a common contaminant of crops and stored grains, can produce aflatoxins that are harmful to humans and other animals. Water activity (aw) is one of the key factors influencing both fungal growth and mycotoxin production. In this study
Elena V Piletska et al.
The Analyst, 140(9), 3113-3120 (2015-03-10)
Curcumin is a versatile anti-inflammatory and anti-cancer agent known for its low bioavailability, which could be improved by developing materials capable of binding and releasing drug in a controlled fashion. The present study describes the preparation of magnetic nano-sized Molecularly
Dan Zhu et al.
Molecular nutrition & food research, 59(6), 1182-1189 (2015-03-20)
Steryl ferulates (SFs) belong to the bioactive lipids contributing to the health promoting effects of whole grains. However, their intestinal absorption remains unclear. We investigated the permeation of individual SFs using an in vitro intestinal barrier model. An in vitro
Smruti Das et al.
Molecular biology reports, 42(11), 1545-1558 (2015-09-02)
The interactive effect of temperature with other climatic and soil factors has profound influences on the growth and development of rice. The responses of rice to high temperatures under field conditions are more important than those under the controlled conditions.
Gehad Genidy Mohamed et al.
Iranian journal of pharmaceutical research : IJPR, 14(3), 701-714 (2015-09-04)
The purpose of this investigation was directed to propose sensitive, accurate and reproducible methods of analysis that can be applied to determine distigmine bromide (DTB), cyclopentolate hydrochloride (CPHC), diaveridine hydrochloride (DVHC) and tetrahydrozoline hydrochloride (THHC) drugs in pure form and
Rumi Tanoue et al.
Journal of chromatography. A, 1355, 193-205 (2014-06-25)
In the present study, a sensitive and accurate isotope dilution method was developed for the simultaneous determination of 17 polar pharmaceutical and personal care product (PPCP) residues (logKow=1.40-5.74), including 14 pharmaceuticals and 3 personal care products, in biological organs and
Hsiang-Yu Chang et al.
Colloids and surfaces. B, Biointerfaces, 130, 157-163 (2015-04-22)
In this study, we employed HgTe nanostructure-based matrices (nanomartrices; NMs) for surface-assisted laser desorption/ionization mass spectrometry (SALDI-MS) for the analyses of polyethylene glycol (PEG) derivatives as well as thiol-PEG-modified gold nanoparticles (PEG-Au NPs). Relative to common organic matrices, the use
Radhika Buddidathi et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 51(1), 44-51 (2015-11-10)
This investigation was undertaken to compare the dissipation pattern of flubendiamide in capsicum fruits under poly-house and open field after giving spray applications at the recommended and double doses of 48 g a.i. ha(-1) and 96 g a.i. ha(-1). Extraction
Zahra Helalat-Nezhad et al.
Journal of chromatography. A, 1394, 46-53 (2015-04-11)
A novel sample preparation method based on the complete dissolution of marine biological samples in choline chloride-oxalic acid (ChCl-Ox) deep eutectic solvent was developed for fast and efficient extraction of eight polycyclic aromatic hydrocarbons (PAHs) using minimum volumes of cyclohexane.
Srinivasarao Koppala et al.
Journal of chromatographic science, 53(5), 662-675 (2014-09-05)
A simple, sensitive, selective and reproducible stability-indicating ultra-performance liquid chromatographic method was developed for the quantitative determination of degradation products and process-related impurities of Ritonavir in a pharmaceutical dosage form. Chromatographic separation was achieved on a polar embedded Waters Acquity
Eun Ji Chung et al.
Nanomedicine : nanotechnology, biology, and medicine, 11(2), 479-487 (2014-09-10)
Peptide amphiphiles (PAs) are promising biomaterials for medical applications. To translate the use of PAs successfully from laboratories to clinics, in vivo studies regarding the safety of these nanomaterials are required. To examine the toxicity and clearance of PA biomaterials
Vivek Bansal et al.
International journal of pharmaceutics, 471(1-2), 377-384 (2014-06-19)
Aluminum based adjuvants have been used widely to induce long lasting protective immunity through vaccination. But reported incidences of toxicity and side effects of aluminum have raised concerns regarding their safety in childhood vaccines. The present study demonstrates the synergistic
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