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Showing 1-30 of 266 results for "04276" within Papers
Haider A J Al Lawati et al.
Luminescence : the journal of biological and chemical luminescence, 29(8), 1148-1153 (2014-05-02)
A highly sensitive, rapid and economical method for the determination of amlodipine (AM) in biological fluids was developed using a peroxyoxalate chemiluminescence (CL) system in a lab-on-a-chip device. Peroxyoxalate-CL is an indirect type of CL that allows the detection of
Jakub Vysloužil et al.
Acta pharmaceutica (Zagreb, Croatia), 64(4), 403-417 (2014-12-23)
The main objective of this study was to evaluate the influence of the formulation and process parameters on PLGA microparticles containing a practically insoluble model drug (ibuprofen) prepared by the o/w solvent evaporation method. Multivariate data analysis was used. The
Ziqing Qian et al.
Biochemistry, 53(24), 4034-4046 (2014-06-05)
Cyclic heptapeptide cyclo(FĪ¦RRRRQ) (cFĪ¦R4, where Ī¦ is l-2-naphthylalanine) was recently found to be efficiently internalized by mammalian cells. In this study, its mechanism of internalization was investigated by perturbing various endocytic events through the introduction of pharmacologic agents and genetic
Radoslaw Kwapiszewski et al.
Analytical and bioanalytical chemistry, 406(18), 4551-4556 (2014-05-13)
Interest in the microfluidic environment, owing to its unique physical properties, is increasing in much innovative chemical, biological, or medicinal research. The possibility of exploiting and using new phenomena makes the microscale a powerful tool to improve currently used macroscopic
C Tony Liu et al.
Journal of the American Chemical Society, 136(29), 10349-10360 (2014-07-01)
Electrostatic interactions play an important role in enzyme catalysis by guiding ligand binding and facilitating chemical reactions. These electrostatic interactions are modulated by conformational changes occurring over the catalytic cycle. Herein, the changes in active site electrostatic microenvironments are examined
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
Chieh-Jui Tsou et al.
Nanoscale, 7(9), 4217-4225 (2015-02-13)
Continuous and simultaneous 3D single-particle movement and local pH detection in HeLa cells were demonstrated for the first time by combining fluorescent mesoporous silica nanoparticles (FMSNs) and a single-particle tracking (SPT) technique with a precision of ā¼10 nm. FMSNs, synthesized
Miaomiao Jiang et al.
BMC complementary and alternative medicine, 14, 350-350 (2014-09-25)
Metabonomics is a useful tool for studying mechanisms of drug treatment using systematic metabolite profiles. Ginsenosides Rg1 and Rb1, ophiopogonin D, and schizandrin are the main bioactive components of a traditional Chinese formula (Sheng-Mai San) widely used for the treatment
Sercan Yıldırım et al.
Biomedical chromatography : BMC, 34(10), e4925-e4925 (2020-06-20)
Concentrations of fluoroquinolones, which are used in the treatment of many bacterial infections, should be monitored in biological fluids as they exhibit concentration-dependent bactericidal activity. In this study, a liquid chromatography method for the determination of levofloxacin, ciprofloxacin, moxifloxacin and
Pei-Ru Wei et al.
International journal of molecular sciences, 16(9), 20943-20968 (2015-09-05)
We designed a study for photodynamic therapy (PDT) using chitosan coated Mg-Al layered double hydroxide (LDH) nanoparticles as the delivery system. A Food and Drug Administration (FDA) approved near-infrared (NIR) fluorescent dye, indocyanine green (ICG) with photoactive properties was intercalated
Eric L Kendall et al.
Biomicrofluidics, 8(4), 044109-044109 (2014-11-08)
A technique for microfluidic, pH modulated DNA capture and purification using chitosan functionalized glycidyl methacrylate monoliths is presented. Highly porous polymer monoliths are formed and subsequently functionalized off-chip in a batch process before insertion into thermoplastic microchannels prior to solvent
G Astrid GarzĆ³n et al.
Journal of agricultural and food chemistry, 63(6), 1803-1811 (2015-02-11)
The contents and profile of polyphenols were analyzed in edible petals of nasturtium flowers (Tropaeolum majus) of three colors, and their oxygen radical absorbance capacities (ORAC) were compared. Three primary anthocyanins (ACNs) and 15 non-ACN phenolic compounds including hydroxycinammic acids
Nargis Jamila et al.
Journal of enzyme inhibition and medicinal chemistry, 30(1), 133-139 (2014-03-29)
Context: Garcinia hombroniana Pierre, known as manggis hutan in Malaysia is a rich source of xanthones and benzophenones. This study was aimed to isolate and characterize potential cholinesterase inhibitors from the extracts of G. hombroniana bark and investigate their interactions
Mollah Md Hamiduzzaman et al.
Journal of invertebrate pathology, 126, 12-20 (2014-12-21)
For the first time, adults and brood of Africanized and European honey bees (Apis mellifera) were compared for relative virus levels over 48 h following Varroa destructor parasitism or injection of V. destructor homogenate. Rates of increase of deformed wing
Cameron P Brewer et al.
International journal of sport nutrition and exercise metabolism, 23(2), 187-194 (2012-11-02)
Research into supplementation with sodium phosphate has not investigated the effects of a repeated supplementation phase. Therefore, this study examined the potential additive effects of repeated sodium phosphate (SP) supplementation on cycling time-trial performance and peak oxygen uptake (VO2peak). Trained
Y El Bouabi et al.
Materials science & engineering. C, Materials for biological applications, 58, 70-77 (2015-10-20)
A novel analytical approach has been developed and evaluated for the quantitative analysis of paracetamol (PCT). The anodic peak currents of paracetamol on the CS-CPE were about 200 fold higher than that of the unmodified electrodes. The influence of various
Smita Joel et al.
ACS chemical biology, 9(7), 1595-1602 (2014-05-21)
Advancements in biotechnology have allowed for the preparation of designer proteins with a wide spectrum of unprecedented chemical and physical properties. A variety of chemical and genetic methods can be employed to tailor the protein's properties, including its stability and
Xiaonan Sui et al.
Food chemistry, 163, 163-170 (2014-06-11)
The stability of two cyanidin-based anthocyanins from black rice in an aqueous system containing them with a pH range of 2.2-6.0 was investigated at temperatures ranging from 100 to 165Ā°C. Within these pH and temperature ranges, the stability of the
Zita PƶstƩnyi et al.
Journal of pharmaceutical and biomedical analysis, 102, 529-534 (2014-12-03)
Validated HPLC analysis was developed in order to monitor the level of 4-fluorodeprenyl in rats. Male Wistar rats were intraperitoneally treated with 30 mg/kg of (-)-4-fluorodeprenyl. The rats were sacrificed after 5, 15, 30 and 60 min of treatment, and
Jeong Eun Song et al.
Journal of tissue engineering and regenerative medicine, 9(11), E98-107 (2013-03-06)
Demineralized bone particle (DBP), which is widely used as a biomaterial in the field of tissue engineering, contains various bioactive molecules, such as cytokines. For this reason, in this study we investigated the effects of injectable DBP gels on cell
Enrico Gerace et al.
Forensic science international, 243, 68-73 (2014-05-23)
The distribution of mephedrone in the body fluids and tissues of a subject found dead after the concomitant intake of cocaine and mephedrone is reported. Mephedrone (4-methylmethcathinone) is a designer drug of the phenethylamine family that is able to cause
R KanÄĆ”r 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
Biebele Abel et al.
Journal of immunological methods, 411, 43-49 (2014-06-21)
In this study, we report the use of an enzyme-based hybrid platform, which is comprised of silver island films, enzymes (HRP and AP) and high-throughput screening (HTS) microplates, to enhance the colorimetric response of enzymatic reactions. The hybrid platform was
Varongsiri Kemsawasd et al.
Applied microbiology and biotechnology, 99(23), 10191-10207 (2015-08-11)
In this study, the influence of twenty different single (i.e. 19 amino acids and ammonium sulphate) and two multiple nitrogen sources (N-sources) on growth and fermentation (i.e. glucose consumption and ethanol production) performance of Saccharomyces cerevisiae and of four wine-related
Filis Kazazi-Hyseni et al.
Pharmaceutical research, 31(10), 2844-2856 (2014-05-16)
The aim of this study was the development of poly(D,L-lactide-co-glycolide) (PLGA) microspheres with controlled porosity, to obtain microspheres that afford continuous release of a macromolecular model compound (blue dextran). PLGA microspheres with a size of around 40Ā Ī¼m and narrow size
Xu Wang et al.
The Analyst, 140(5), 1453-1458 (2015-01-21)
A simple, sensitive and cost-effective method for the analysis of the mycotoxin aflatoxin B1 (AFB1) has been established based on controlled growth of immunogold. AFB1-BSA conjugate modified magnetic beads were employed as capture probe and anti-AFB1 antibody-coated gold colloids were
D Draganescu et al.
International journal of biological macromolecules, 72, 614-623 (2014-09-23)
Flaxseed lignans are a natural source of useful biologically active components that show a diverse spectrum of health-promoting properties. The valuable effects of the phenolic molecules are mainly due to their antioxidant activity by preventing oxidative stress and stimulate collagen
Jake Chng et al.
mAbs, 7(2), 403-412 (2015-01-27)
Linking the heavy chain (HC) and light chain (LC) genes required for monoclonal antibodies (mAb) production on a single cassette using 2A peptides allows control of LC and HC ratio and reduces non-expressing cells. Four 2A peptides derived from the
Daisuke Horita et al.
Biochimica et biophysica acta, 1848(5), 1196-1202 (2015-02-24)
Ethanol (EtOH) is one of the bases in topically applied medicines that promote the skin permeation of drugs. Although the effects of EtOH have been attributed to structural modifications in the stratum corneum, the underlying mechanisms, especially the influence of
Flavia Bieczynski et al.
Aquatic toxicology (Amsterdam, Netherlands), 154, 97-106 (2014-05-29)
We studied Abcc mediated-transport in middle and posterior intestine of the rainbow trout, Oncorhynchus mykiss. Luminal and serosal transport were evaluated in everted and non-everted intestinal sacs, respectively, incubated with 1-chloro-2,4-dinitrobenzene (CDNB; 200 Ī¼M). CDNB enters the cells and is
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