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Showing 1-30 of 389 results for "338818" within Papers
Hongxu Lu et al.
Journal of biomedical materials research. Part A, 100(9), 2507-2516 (2012-05-25)
Extracellular matrix (ECM) scaffolds derived from cultured cells have drawn increasing attention for use in tissue engineering. We have developed a method to prepare cultured cell-derived ECM scaffolds by combining three-dimensional cell culture, decellularization, and selective template removal. Cell-ECM-template complexes
Ahilanandan Dushianthan et al.
Respiratory research, 15, 128-128 (2014-11-08)
Acute respiratory distress syndrome (ARDS) is a life-threatening critical illness, characterised by qualitative and quantitative surfactant compositional changes associated with premature airway collapse, gas-exchange abnormalities and acute hypoxic respiratory failure. The underlying mechanisms for this dysregulation in surfactant metabolisms are
Zheng Ser et al.
Analytical biochemistry, 475, 22-28 (2015-01-24)
The successful extraction of metabolites is a critical step in metabolite profiling. By optimizing metabolite extraction, the range and quantitative capacity of metabolomics studies can be improved. We considered eight separate extraction protocols for the preparation of a metabolite extract
Pawel Olszowy et al.
Proteome science, 13, 24-24 (2015-09-29)
Histones and their post-translational modifications impact cellular function by acting as key regulators in the maintenance and remodeling of chromatin, thus affecting transcription regulation either positively (activation) or negatively (repression). In this study we describe a comprehensive, bottom-up proteomics approach
Noel Kong et al.
Journal of separation science, 37(21), 3015-3023 (2014-08-22)
A sensitive hydrophilic interaction liquid chromatography coupled with tandem mass spectrometry method was developed and validated for the simultaneous detection and quantification of etilefrine and oxilofrine in equine blood plasma and urine. The method is highly sensitive and specific with
Alan K Jarmusch et al.
Journal of pharmaceutical and biomedical analysis, 117, 11-17 (2015-09-05)
Ergot alkaloids are mycotoxins with an array of biological effects. With this study, we investigated for the first time the application of atmospheric pressure photoionization (APPI) as an ionization method for LC-MS analysis of ergot alkaloids, and compared its performance
Gilles Provencher et al.
Journal of chromatography. A, 1348, 97-104 (2014-05-20)
Bisphenol A (BPA) and triclosan (TCS) are ubiquitous environmental phenols exhibiting endocrine disrupting activities that may be involved in various health disorders in humans. There is a need to measure separately free forms and conjugated metabolites because only the former
Neva B Watson et al.
Journal of immunology (Baltimore, Md. : 1950), 194(6), 2796-2809 (2015-02-15)
Virus-induced myositis is an emerging global affliction that remains poorly characterized with few treatment options. Moreover, muscle-tropic viruses often spread to the CNS, causing dramatically increased morbidity. Therefore, there is an urgent need to explore genetic factors involved in this
Manish M Khandagale et al.
Journal of chromatography. A, 1356, 180-187 (2014-07-09)
The solvent dependency of the detection response is a major limitation of corona-charged aerosol detection (C-CAD). The present study empirically investigates the utility of temperature and flow-rate gradients to overcome solvent gradient limitations of C-CAD. In preliminary flow-injection investigations, it
Karin H Müller et al.
Cell reports, 27(11), 3124-3138 (2019-06-13)
Biomineralization of the extracellular matrix is an essential, regulated process. Inappropriate mineralization of bone and the vasculature has devastating effects on patient health, yet an integrated understanding of the chemical and cell biological processes that lead to mineral nucleation remains
Shahid Ullah et al.
Analytical chemistry, 87(22), 11553-11560 (2015-10-28)
An analytical method based on high-performance liquid chromatography coupled to quadrupole tandem mass spectrometry was developed for the quantitative determination of four phosphatidylcholines (PCs) in human exhaled breath particles. Analytes were conveniently collected on an electrostatic polymer filter and extracted
Sandra Varum et al.
Cell stem cell, 24(4), 637-653 (2019-04-06)
Increasing evidence suggests that cancer cells highjack developmental programs for disease initiation and progression. Melanoma arises from melanocytes that originate during development from neural crest stem cells (NCSCs). Here, we identified the transcription factor Yin Yang 1 (Yy1) as an
Rui Liang et al.
Scientific reports, 5, 8078-8078 (2015-01-30)
Oxidative stress and apoptosis are involved in Ochratoxin A (OTA)-induced renal cytotoxicity. Apoptosis signal-regulating kinase 1 (ASK1) is a Mitogen-Activated Protein Kinase Kinase Kinase (MAPKKK, MAP3K) family member that plays an important role in oxidative stress-induced cell apoptosis. In this
Cheisy D F Moreira et al.
Materials science & engineering. C, Materials for biological applications, 58, 1207-1216 (2015-10-20)
Recently, stimuli-responsive nanocomposite-derived hydrogels have gained prominence in tissue engineering because they can be applied as injectable scaffolds in bone and cartilage repair. Due to the great potential of these systems, this study aimed to synthesize and characterize novel thermosensitive
Victoria Osorio et al.
Journal of chromatography. A, 1347, 63-71 (2014-05-20)
An analytical method was developed and validated for the first determination of five major human metabolites of the non-steroidal anti-inflammatory drug diclofenac as well as two microbial transformation products in wastewater. The method was based on the extraction of diclofenac
Zhisheng Zhu et al.
Bioresource technology, 119, 199-207 (2012-06-26)
An efficient pretreatment method using NH(4)OH-H(2)O(2) and ionic liquid (IL) was developed for the recovery of cellulose from sugarcane bagasse (SCB). The regenerated SCB from the combined pretreatment exhibited significantly enhanced enzymatic digestibility with an efficiency of 91.4% after 12h
Junlong Tian et al.
Scientific reports, 5, 8025-8025 (2015-01-27)
A carbon-matrix nickel composite magnetoplasmonic film with a 3D sub-micron periodic triangular roof-type antireflection structure (SPTAS) was fabricated via a simple and promising method that combines chemosynthesis with biomimetic techniques. The Troides helena (Linnaeus) forewing (T_FW) was chosen as the
Siddhartha Sankar Boxi et al.
Dalton transactions (Cambridge, England : 2003), 44(47), 20464-20474 (2015-11-07)
Arsenic poisoning from drinking water has been an important global issue in recent years. Because of the high level toxicity of arsenic to human health, an easy, inexpensive, low level and highly selective detection technique is of great importance to
Przemyslaw Mielczarek et al.
Journal of chromatography. A, 1389, 96-103 (2015-03-10)
The metabolic pathways of selegiline (a drug used for the treatment of early-stage Parkinson's disease) were analyzed by electrochemical oxidation with application of the flow electrochemical cell consisting of three electrodes (ROXY™, Antec, the Netherlands). Two types of working electrodes
Yi Min et al.
Journal of chromatography. A, 1356, 148-156 (2014-07-08)
In this work, 1.9 μm reversed-phase packing materials with superficially porous structure were prepared to achieve the rapid and high efficient separation of peptides and proteins. The silica particles were synthesized via three steps, nonporous silica particle preparation by a
Rachel Y Barnett et al.
Journal of analytical toxicology, 38(8), 589-591 (2014-09-14)
Designer drugs appear to be increasing in popularity because of the ease of obtaining these constituents, the lack of ability to identify the substance(s) in routine drug screening, the appeal of the drug(s) being 'safe' due to them being marketed
Yang Yang et al.
Environmental science & technology, 48(20), 12362-12369 (2014-09-16)
Disinfectants inactivate pathogens in source water; however, they also react with organic matter and bromide/iodide to form disinfection byproducts (DBPs). Although only a few DBP classes have been systematically analyzed for toxicity, iodinated and brominated DBPs tend to be the
Cheng-Kang Chiang et al.
PLoS genetics, 10(10), e1004695-e1004695 (2014-10-21)
The suprachiasmatic nucleus (SCN) acts as the central clock to coordinate circadian oscillations in mammalian behavior, physiology and gene expression. Despite our knowledge of the circadian transcriptome of the SCN, how it impacts genome-wide protein expression is not well understood.
Brigitte Buscher et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1005, 30-38 (2015-10-16)
The aim of the presented investigation was to document challenges encountered during implementation and qualification of a method for bisphenol A (BPA) analysis and to develop and discuss precautions taken to avoid and to monitor contamination with BPA during sample
Federica Ianni et al.
Journal of pharmaceutical and biomedical analysis, 116, 40-46 (2015-01-27)
In two-dimensional HPLC (2D-HPLC) "heart-cut" applications, two columns are connected in series via a switching valve and volume fractions from the "primary" column are re-injected on the "secondary" column. The heart-cut 2D-HPLC system here described was implemented by connecting a
Alexandre Janel et al.
Stem cells and development, 23(24), 2972-2982 (2014-07-24)
The systematic localization of chronic lymphocytic leukemia (CLL) B-cells in the bone marrow (BM), together with the ex vivo protective effect of stromal cells on their spontaneous apoptosis, both indicate a specific role of the BM microenvironment. In vivo, the
Hasmik Keshishian et al.
Nature protocols, 12(8), 1683-1701 (2017-07-28)
Proteomic characterization of blood plasma is of central importance to clinical proteomics and particularly to biomarker discovery studies. The vast dynamic range and high complexity of the plasma proteome have, however, proven to be serious challenges and have often led
Matt Hrapchak et al.
Journal of labelled compounds & radiopharmaceuticals, 57(12), 687-694 (2014-10-22)
Empagliflozin, (2S,3R,4R,5S,6R)-2-[4-chloro-3-[[4-[(3S)-oxolan-3-yl]oxyphenyl]methyl]phenyl]-6-(hydroxymethyl)oxane-3,4,5-triol was recently approved by the FDA for the treatment of chronic type 2 diabetes mellitus. Herein, we report the synthesis of carbon-13 and carbon-14 labeled empagliflozin. Carbon-13 labeled empagliflozin was prepared in five steps and in 34% overall
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
Ciceron Ayala-Orozco et al.
ACS nano, 8(6), 6372-6381 (2014-06-04)
Au nanoparticles with plasmon resonances in the near-infrared (NIR) region of the spectrum efficiently convert light into heat, a property useful for the photothermal ablation of cancerous tumors subsequent to nanoparticle uptake at the tumor site. A critical aspect of
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