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43617

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Shogo Sasaki et al.
Journal of bioscience and bioengineering, 119(2), 200-205 (2014-07-26)
We demonstrated the synthesis of molecularly imprinted polymers (MIPs) with binding affinity toward a target protein, ribonuclease A (RNase) by atom transfer radical polymerization (ATRP) of acrylic acid, acrylamide, and N,N'-methylenebisacrylamide in the presence of RNase. The binding activity of
Kathirvel Gopalakrishnan et al.
Hypertension (Dallas, Tex. : 1979), 65(1), 200-210 (2014-11-12)
Long noncoding RNAs (lncRNAs) are an emerging class of genomic regulatory molecules reported in various species. In the rat, which is one of the major mammalian model organisms, discovery of lncRNAs on a genome-wide scale is lagging. Renal lncRNA sequencing
Chien-Liang Liu et al.
Small (Weinheim an der Bergstrasse, Germany), 10(19), 3962-3969 (2014-07-22)
The room-temperature, aqueous-phase synthesis of iron-oxide nanoparticles (IO NPs) with glutathione (GSH) is reported. The simple, one-step reduction involves GSH as a capping agent and tetrakis(hydroxymethyl)phosphonium chloride (THPC) as the reducing agent; GSH is an anti-oxidant that is abundant in
Mohammad Behbahani et al.
Journal of chromatography. A, 1308, 25-31 (2013-08-21)
A simple, rapid, and efficient method, based on surfactant assisted dispersive liquid-liquid microextraction (SA-DLLME), followed by high performance liquid chromatography (HPLC) has been developed for simultaneous preconcentration and trace detection of zonisamide and carbamazepine in biological samples. A conventional cationic
Sara Bersani et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 88(3), 670-682 (2014-08-27)
Novel, acid-sensitive liposomes that respond to physiopathological pH for tumour targeting applications were obtained by surface decoration with 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[methoxy(polyethylene glycol)] (mPEG-DSPE) and stearoyl-poly(ethylene glycol)-poly(methacryloyl sulfadimethoxine) copolymer (stearoyl-PEG-polySDM). The pH-sensitive stearoyl-PEG-polySDM copolymer contained an average of seven methacryloyl sulfadimethoxines per molecule
Nicholas J Lodge et al.
Nuclear medicine and biology, 41(6), 524-535 (2014-05-06)
A radioligand for measuring the density of corticotropin-releasing factor subtype-1 receptors (CRF1 receptors) in living animal and human brain with positron emission tomography (PET) would be a useful tool for neuropsychiatric investigations and the development of drugs intended to interact
Matthew Di Rago et al.
Forensic science international, 243, 35-43 (2014-05-06)
The aim of this study was to develop an LC-MS/MS based screening technique that covers a broad range of acidic and neutral drugs and poisons by combining a small sample volume and efficient extraction technique with simple automated data processing.
Yang Zhang et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 960, 52-58 (2014-05-03)
A novel TiO2/diatomite composite (TD) was prepared and then characterized by scanning electron microscope (SEM) and Fourier Transform Infrared (FTIR). The results of SEM showed that after modification, the porous surface of diatomite was covered with TiO2. Both diatomite and
Ludmila Müllerová et al.
Journal of chromatography. A, 1384, 147-154 (2015-02-11)
Interactions among analyte forms that undergo simultaneous dissociation/protonation and complexation with multiple selectors take the shape of a highly interconnected multi-equilibrium scheme. This makes it difficult to express the effective mobility of the analyte in these systems, which are often
Nrupa Borkar et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 89, 216-223 (2014-12-17)
Apomorphine, a subcutaneously administered drug for Parkinson's disease with short half-life requires frequent administration leading to patient non-compliance. This study aimed at synthesising and purifying lipophilic diesters of apomorphine, and investigating their in vitro degradation in biorelevant media before and
Ali Akbar Asgharinezhad et al.
Analytica chimica acta, 844, 80-89 (2014-08-31)
In this study, diverse types of Fe3O4 nanocomposites modified by polyaniline, polypyrrole, and aniline-pyrrole copolymer were synthesized through chemical oxidative polymerization process for dispersive-μ-solid phase extraction (D-μ-SPE) in the presence of various dopants. The results showed that the nanocomposite modified
Monique R Arts et al.
PloS one, 9(6), e100035-e100035 (2014-06-14)
It has been suggested that autoantibodies in systemic sclerosis (SSc) may induce the differentiation of cultured fibroblasts into myofibroblasts through platelet-derived growth factor receptor (PDGFR) activation. The present study aims to characterize the effects of SSc IgG on vascular smooth
Bhawani Chamlagain et al.
Food chemistry, 166, 630-638 (2014-07-24)
A sensitive and selective method is needed to analyse in situ produced vitamin B12 in plant-based materials, potential new dietary sources of vitamin B12. A UHPLC/UV method was developed and validated for the determination of human active vitamin B12 in
Lucy G Chastain et al.
Behavioural brain research, 280, 160-171 (2014-12-03)
Schizophrenia is thought to be caused, at least in part, by dysfunction in striatal dopamine neurotransmission. Both clinical studies and animal research have implicated the dopamine neuromodulator neurotensin (NT) in the pathophysiology of schizophrenia. Utilizing male mice lacking the NT
Davy Baudelet et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 986-987, 35-43 (2015-02-24)
The P2X receptors are seven-transmembrane domain G protein-coupled receptors and the 7 subtypes of P2X receptors identified in humans, and named P2X1 to P2X7, are channel receptors whose endogenous ligand is ATP. New antagonists of the P2X7 receptor were developed
Rui Cheng et al.
Investigative ophthalmology & visual science, 54(5), 3400-3409 (2013-04-25)
Without therapeutic intervention, corneal neovascularization rapidly compromises visual acuity, and is a leading cause of blindness. Artesunate was reported to inhibit angiogenesis in tumors, although, the effects of artesunate on nontumor angiogenesis have not been investigated. This study was designed
Hai-Bo He et al.
Journal of chromatography. A, 1361, 23-33 (2014-08-31)
This paper reports a nanomagnetic polyhedral oligomeric silsesquioxanes (POSS)-directing strategy toward construction of molecularly imprinted hybrid materials for antibiotic residues determination in milk samples. The imprinted polymeric layer was facilely obtained through the copolymerization of active vinyl groups present on
Daman Kumari et al.
Human mutation, 35(12), 1485-1494 (2014-09-17)
Fragile X syndrome (FXS) is the most frequent cause of inherited intellectual disability and autism. It is caused by the absence of the fragile X mental retardation 1 (FMR1) gene product, fragile X mental retardation protein (FMRP), an RNA-binding protein
Xin Wang et al.
ACS nano, 8(12), 12151-12166 (2014-12-02)
Chemoresistance is a primary cause of treatment failure in cancer and a common property of tumor-initiating cancer stem cells. Overcoming mechanisms of chemoresistance, particularly in cancer stem cells, can markedly enhance cancer therapy and prevent recurrence and metastasis. This study
Hong-Min Meng et al.
Analytical chemistry, 86(24), 12321-12326 (2014-11-18)
Glutathione (GSH) serves vital cellular biological functions, and its abnormal levels are associated with many diseases. To better understand its physiological and pathological functions, efficient methods for monitoring of GSH in living systems are desired. Although quite a few small
Axel Andrés et al.
Journal of chromatography. A, 1385, 42-48 (2015-02-11)
Retention of ionizable analytes under gradient elution depends on the pH of the mobile phase, the pKa of the analyte and their evolution along the programmed gradient. In previous work, a model depending on two fitting parameters was recommended because
Barbara Simonato et al.
Food chemistry, 174, 219-225 (2014-12-23)
The aim of this study was to assess the digestibility of the protein and starch in pasta made with different cereals, i.e. Triticum durum, Triticum polonicum and Triticum dicoccum, and to measure the glycemic index (GI) of the different types
Venkata V V R Marada et al.
Pharmacological research, 91, 78-87 (2014-12-08)
The ability of an antineoplastic drug to exert its cytostatic effect depends largely on the balance between its uptake into and extrusion from the cancer cells. ATP driven efflux transporter proteins drive the export of antineoplastic drugs and play a
Xin-Guang Liu et al.
Journal of chromatography. A, 1388, 251-258 (2015-03-03)
Hydrolysis plays an important role in the metabolic transformations of lactones. Analysis of lactones and their hydrolyzed metabolites in biological samples is challenging, because unexpected hydrolysis or reversed dehydration may occur depending on the test environments. In this work, a
Iara Maíra de Oliveira Viana et al.
Journal of pharmaceutical and biomedical analysis, 96, 241-248 (2014-05-02)
In this study, a simple method using microextraction by packed sorbent and high-performance liquid chromatography with ultraviolet detection for simultaneous determination of chlorpropamide, gliclazide and glimepiride in human plasma was developed and validated. A fractional factorial design and a complete
M Argun et al.
Eye (London, England), 28(6), 752-760 (2014-03-08)
Under conditions of oxidative stress, cell apoptosis is triggered through the mitochondrial intrinsic pathway. Increased levels of reactive oxygen species (ROS) are linked to excess cell loss and mediate the initiation of apoptosis in a diverse range of cell types.
Dietmar Reusch et al.
mAbs, 7(1), 167-179 (2014-12-20)
Immunoglobulin G (IgG) crystallizable fragment (Fc) glycosylation is crucial for antibody effector functions, such as antibody-dependent cell-mediated cytotoxicity, and for their pharmacokinetic and pharmacodynamics behavior. To monitor the Fc-glycosylation in bioprocess development, as well as product characterization and release analytics
Marcos Tascon et al.
Analytical and bioanalytical chemistry, 407(13), 3637-3645 (2015-03-10)
The use of algae as a foodstuff is rapidly expanding worldwide from the East Asian countries, where they are also used for medical care. Harmala alkaloids (HAlk) are a family of bioactive compounds found in the extracts of some plants
Rokhsana Yasmin et al.
Journal of pharmaceutical sciences, 103(9), 2950-2959 (2014-03-04)
Lyophilization was investigated to produce a powdery silica-lipid hybrid (SLH) carrier for oral delivery of poorly water-soluble drugs. The silica to lipid ratio, incorporation of cryoprotectant, and lipid loading level were investigated as performance indicators for lyophilized SLH carriers. Celecoxib
Di Xu et al.
Journal of environmental sciences (China), 25(4), 637-644 (2013-08-09)
Organic phosphorus (nonreactive P, NRP) is a major component of P in sediments, but information about its chemical forms and dynamic transformation is limited. The chemical forms and dynamic behaviors of NRP in a sediment profile from Lake Taihu, a
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