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Silver electrocrystallization on vitreous carbon from ammonium hydroxide solutions.
Palomar-Pardave M, et al.
Journal of the Electrochemical Society, 143(5), 1551-1558 (1996)
A Kaufmann et al.
Analytica chimica acta, 862, 41-52 (2015-02-16)
An ultra-high performance liquid chromatography based method, coupled to high resolution mass spectrometry (UHPLC-HRMS), was developed to permit the detection and quantification of various nitrofuran and chloramphenicol residues in a number of animal based food products. This method is based
Mina Mirzaian et al.
Journal of lipid research, 56(4), 936-943 (2015-01-30)
Sulfatides are found in brain as components of myelin, oligodendrocytes, and neurons but are also present in various visceral tissues. Metachromatic leukodystrophy (MLD) is an inherited lysosomal storage disorder caused by a deficiency of arylsulfatase A, leading to severe white
Ramsey I Zeitoun et al.
Lab on a chip, 11(23), 4022-4028 (2011-10-15)
Nanolitre droplets in microfluidic devices can be used to perform thousands of independent chemical and biological experiments while minimizing reagents, cost and time. However, the absence of simple and versatile methods capable of controlling the contents of these nanolitre chemical
S A Hassanzadeh-Tabrizi et al.
Materials science & engineering. C, Materials for biological applications, 58, 737-741 (2015-10-20)
In the present study, forsterite nanoparticles were synthesized via surfactant-assisted sol-gel method using cetyltrimethyl ammonium bromide (CTAB) as a surfactant. The effects of CTAB contents and heat treatment on the textural properties and drug release from nanoparticles were investigated. The
Qi Ge et al.
American journal of physiology. Lung cellular and molecular physiology, 309(10), L1093-L1102 (2015-09-06)
Altered ECM protein deposition is a feature in asthmatic airways. Fibronectin (Fn), an ECM protein produced by human bronchial epithelial cells (HBECs), is increased in asthmatic airways. This study investigated the regulation of Fn production in asthmatic or nonasthmatic HBECs
Mir Mahdi Abolghasemi et al.
Journal of chromatography. A, 1381, 48-53 (2015-01-27)
In the present study, 12-tungstophosphoric (PW) acid as heteropoly acid, supported on silica-coated γ-Fe2O3 nanoparticles (NPs), was used as a new fiber coating for solid-phase microextraction (SPME). The γ-Fe2O3@SiO2-PW nanocomposite with high surface area was synthesized and characterized by SEM
Fida El-Ayoubi et al.
Thrombosis and haemostasis, 113(1), 143-153 (2014-09-26)
Antiserum from rabbits immunised with pure human fibrinogen was affinity purified on immobilised fibrin fragment E (FFE). This FFE antibody (Ab) induced significant growth inhibition of a human cancer xenograft in mice and suppression of tumour angiogenesis, leaving no formed
Csilla Páger et al.
Electrophoresis, 33(22), 3269-3275 (2012-10-23)
CIEF of components following sequential injection of ampholytes and the sample zone offers unique advantages for analysis. The most important one of these is the efficient separation of amphoteric compounds having pIs outside the pH range of the ampholytes applied
Erin Gemperline et al.
Analytical methods : advancing methods and applications, 6(16), 6389-6396 (2015-02-11)
(RS)-3-(2-carboxypiperazin-4-yl)-propyl-1-phosphonic acid (CPP) is a competitive antagonist of the N-methyl-D-aspartate (NMDA) receptor and is routinely used with rodent models to investigate the role of NMDA receptors in brain function. This highly polar compound is difficult to separate from biological matrices.
Allison Faig et al.
Langmuir : the ACS journal of surfaces and colloids, 31(43), 11875-11885 (2015-10-22)
Cationic amphiphiles have received increasing attention as antimicrobials given their unique ability to disrupt bacteria cell membranes. While extensive research has demonstrated that amphiphiles' hydrophobic-to-charge ratio significantly modulates antibacterial activity, less work has focused on elucidating the specific impact of
Nicholas A Burd et al.
Journal of applied physiology (Bethesda, Md. : 1985), 117(11), 1363-1370 (2014-10-04)
We aimed to determine the impact of precursor pool dilution on the assessment of postprandial myofibrillar protein synthesis rates (MPS). A Holstein dairy cow was infused with large amounts of L-[1-(13)C]phenylalanine and L-[1-(13)C]leucine, and the milk was collected and fractionated.
Chang-Ching Chan et al.
Rapid communications in mass spectrometry : RCM, 26(12), 1507-1514 (2012-05-18)
A method has been developed to reduce the mass spectrometric ion signal suppression associated with the use of TFA as an additive in LC mobile phases. Through post-column infusion of diluted NH(4)OH solution to LC eluents, the ammonium ion introduced
Christoph Hutzler et al.
Archives of toxicology, 88(7), 1295-1308 (2014-06-25)
Electronic (e-)cigarettes have emerged in recent years as putative alternative to conventional tobacco cigarettes. These products do not contain typical carcinogens that are present in tobacco smoke, due to the lack of combustion. However, besides nicotine, hazards can also arise
Shuang Yang et al.
Journal of pharmaceutical and biomedical analysis, 109, 177-183 (2015-03-18)
Fagomine, 1-deoxynojirimycin (DNJ) and 1,4-dideoxy-1,4-imino-d-arabinitol (DAB) are the major bioactive constituents in the active fraction of alkaloids from the traditional Chinese medicine mulberry twig (Ramulus Mori, Chinese name Sang Zhi), which has a strong activity on α-glucosidase in vitro and
Shiau Hui Diong et al.
Journal of analytical toxicology, 38(9), 660-666 (2014-08-12)
Gas chromatography-mass spectrometry quantitative method was developed to monitor concentrations of methadone and its metabolite 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine (EDDP) in plasma and urine of patients. The developed method was simple, accurate and reproducible to quantify methadone and EDDP in plasma and urine
Alexandr N Simonov et al.
PloS one, 10(11), e0141252-e0141252 (2015-11-21)
Cytochrome P450c17 (P450 17A1, CYP17A1) is a critical enzyme in the synthesis of androgens and is now a target enzyme for the treatment of prostate cancer. Cytochrome P450c17 can exhibit either one or two physiological enzymatic activities differentially regulated by
Angela Rodayan et al.
The Science of the total environment, 487, 731-739 (2014-04-15)
In this study the levels of 19 drugs of abuse were estimated throughout a wastewater treatment plant using polar organic chemical integrative samplers (POCIS), 24h composite samples and grab samples. Overall removal efficiencies and removals in between each treatment unit
Weihong Xu et al.
Applied and environmental microbiology, 80(14), 4153-4161 (2014-05-06)
The vast majority of microscopic life on earth consists of microbes that do not grow in laboratory culture. To profile the microbial diversity in environmental and clinical samples, we have devised and employed molecular probe technology, which detects and identifies
Miranda G M Kok et al.
Talanta, 132, 1-7 (2014-12-06)
In order to assess the utility of a recently developed capillary electrophoresis-mass spectrometry (CE-MS) method for the study of anionic metabolites in urine, a comparison was made with hydrophilic interaction chromatography-MS (HILIC-MS) using negative electrospray ionization. After optimization of the
Volodymyr Pauk et al.
Journal of chromatography. A, 1423, 169-176 (2015-11-21)
The chromatographic behaviour of eleven synthetic cathinones and four phenylethylamines under supercritical/subcritical fluid conditions was investigated. Four stationary phases with sub-2μm particles (Waters Acquity UPC(2) BEH silica, BEH 2-ethylpyridine, CSH Fluoro-Phenyl, and HSS C18SB) were evaluated in terms of isomer
Zheng Wang et al.
Analytica chimica acta, 725, 81-86 (2012-04-17)
A modified SBA-15 mesoporous silica material NH(2)-SBA-15 was synthesized successfully by grafting γ-aminopropyl-triethoxysilane. The material was characterized using transmission electron microscopy (TEM) and Fourier transform infrared/Raman (FT-IR/Raman) spectroscopy, and used for the first time in a flow injection on-line solid
Rong Zhang et al.
Journal of chromatography. A, 1362, 168-179 (2014-08-28)
It has been reported that HILIC column chemistry has a great effect on the number of detected metabolites in LC-HRMS-based untargeted metabolite profiling studies. However, no systematic investigation has been carried out with regard to the optimisation of mobile phase
Blanca Estela Jaramillo-Loranca et al.
Synapse (New York, N.Y.), 69(4), 213-225 (2015-02-17)
Sigma (σ) receptors have generated a great deal of interest due to their possible role in psychosis, neuroprotection, and various other behaviors including addictive processes. Sigma receptors have been located in brain areas involved in motor functions, including the dopaminergic
Meagan J Bemer et al.
Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation, 20(10), 1544-1552 (2014-06-14)
Mycophenolic acid, the active metabolite of mycophenolate mofetil (MMF), inhibits inosine monophosphate dehydrogenase (IMPDH) activity. IMPDH is the rate-limiting enzyme involved in de novo synthesis of guanosine nucleotides and catalyzes the oxidation of inosine 5'-monophosphate to xanthosine 5'-monophosphate (XMP). We
A Farag et al.
Journal of dental research, 93(12), 1313-1319 (2014-10-02)
The periodontal ligament is the key tissue facilitating periodontal regeneration. This study aimed to fabricate decellularized human periodontal ligament cell sheets for subsequent periodontal tissue engineering applications. The decellularization protocol involved the transfer of intact human periodontal ligament cell sheets
Mahdi Shahmiri et al.
Scientific reports, 5, 16378-16378 (2015-11-18)
Aurein 1.2 is a 13 residue antimicrobial peptide secreted by the Australian tree frog Litoria Aurea. It is a surface-acting membrane disrupting peptide that permeabilizes bacterial membranes via the carpet mechanism; the molecular details of this process are mostly unknown.
Chiang-Jui Chu et al.
Macromolecular rapid communications, 35(18), 1598-1605 (2014-08-08)
Block copolymers have been extensively studied over the last few decades because they can self-assemble into well-ordered nanoscale structures. The morphologies of block copolymers in confined geometries, however, are still not fully understood. In this work, the fabrication and morphologies
Bradley Duncan et al.
Small (Weinheim an der Bergstrasse, Germany), 11(11), 1302-1309 (2014-11-11)
An effective method for the generation of hybrid organic-inorganic nanocomposite microparticles featuring controlled size and high structural stability is presented. In this process, an oil-in-water Pickering emulsion is formed using hydrophilic amine-functionalized silica nanoparticles. Covalent modification using a hydrophobic maleic
Shinji Yamashita et al.
Lipids, 49(12), 1261-1273 (2014-11-12)
We have developed a new method for determining ethanolamine plasmalogen contents in marine invertebrates. This quantification method involves derivatization of ethanolamine glycerophospholipid (EtnGpl) subclasses, alkenylacyl (plasmalogen), diacyl, and alkylacyl subclasses, by enzyme treatment and acetylation, followed by separation and detection
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