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Showing 1-30 of 82 results for "W338605" within Papers
Katarzyna Krukiewicz et al.
Materials science & engineering. C, Materials for biological applications, 54, 176-181 (2015-06-06)
The purpose of this study is to develop biocompatible and conducting coating being carrier of biologically active compounds with the potential use in neuroprosthetics. Conducting polypyrrole matrix has been used to immobilize and release model drugs, quercetin and ciprofloxacin. Two
M Edite Torres et al.
Environmental toxicology and pharmacology, 38(3), 807-813 (2014-10-13)
The interference of N-acetylcysteine (NAC) on 2,5-hexanedione (2,5-HD) neurotoxicity was evaluated through behavioral assays and the analysis of urinary 2,5-HD, dimethylpyrrole norleucine (DMPN), and cysteine-pyrrole conjugate (DMPN NAC), by ESI-LC-MS/MS, in rats exposed to 2,5-HD and co-exposed to 2,5-HD and
Albish K Paul et al.
Photochemistry and photobiology, 91(6), 1348-1355 (2015-10-24)
Synthesis, photophysical and metal ion recognition properties of a series of amino acid-linked free-base and Zn-porphyrin derivatives (5-9) are reported. These porphyrin derivatives showed favorable photophysical properties including high molar extinction coefficients (>1 × 10(5) m(-1) cm(-1) for the Soret
SeungHyun Jeon et al.
Theranostics, 4(11), 1123-1132 (2014-09-25)
We have developed a conductive nano-roughened microfluidic device and demonstrated its use as an electrically modulated capture and release system for studying rare circulating tumor cells (CTCs). The microchannel surfaces were covalently decorated with epithelial cancer-specific anti-EpCAM antibody by electrochemical
Jaehyun Hur et al.
ACS nano, 8(10), 10066-10076 (2014-09-27)
Conductive hydrogels are a class of composite materials that consist of hydrated and conducting polymers. Due to the mechanical similarity to biointerfaces such as human skin, conductive hydrogels have been primarily utilized as bioelectrodes, specifically neuroprosthetic electrodes, in an attempt
Vania Blasques Bueno et al.
Materials science & engineering. C, Materials for biological applications, 52, 121-128 (2015-05-09)
Polypyrrole (PPy) was electropolymerized in xanthan hydrogels (XCA), resulting in electroactive XCAPPy scaffolds with (15 ± 3) wt.% PPy and (40 ± 10) μm thick. The physicochemical characterization of hybrid XCAPPy scaffolds was performed by means of cyclic voltammetry, swelling
Bianca Schweiger et al.
Sensors (Basel, Switzerland), 15(3), 4870-4889 (2015-03-03)
Piezoelectric quartz crystals and analogous gold substrates were electrochemically coated with molecularly imprinted polypyrrole films for pulsed amperometric detection (PAD) of clofibric acid, a metabolite of clofibrate. Cyclic voltammetry data obtained during polymerization and deposited weight estimations revealed a decrease
Jae Y Lee et al.
Journal of biomedical materials research. Part A, 103(6), 2126-2132 (2014-10-09)
Electrically conducting polymers (CPs) have been recognized as novel biomaterials that can electrically communicate with biological systems. For their tissue engineering applications, CPs have been modified to promote cell adhesion for improved interactions between biomaterials and cells/tissues. Conventional approaches to
Manjie Zhang et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(45), 16162-16171 (2015-10-24)
We have rationally designed a new theranostic agent by coating near-infrared (NIR) light-absorbing polypyrrole (PPY) with poly(acrylic acid) (PAA), in which PAA acts as a nanoreactor and template, followed by growing small fluorescent silica nanoparticles (fSiO2 NPs) inside the PAA
Ji Eun Lee et al.
Scientific reports, 5, 8420-8420 (2015-02-13)
Polypyrrole (PPy)/cellulose (PPCL) composite papers were fabricated by vapor phase polymerization. Importantly, the vapor-phase deposition of PPy onto cellulose was assisted by employing different co-vapors namely methanol, ethanol, benzene, water, toluene and hexane, in addition to pyrrole. The resulting PPCL
Artak Tovmasyan et al.
Journal of inorganic biochemistry, 140, 94-103 (2014-08-03)
In the present study we have synthesized a novel amphiphilic porphyrin and its Ag(II) complex through modification of water-soluble porphyrinic structure in order to increase its lipophilicity and in turn pharmacological potency. New cationic non-symmetrical meso-substituted porphyrins were characterized by
Laura Alvarez-Mejia et al.
Journal of materials science. Materials in medicine, 26(7), 209-209 (2015-07-15)
Currently, there is no universally accepted treatment for traumatic spinal cord injury (TSCI), a pathology that can cause paraplegia or quadriplegia. Due to the complexity of TSCI, more than one therapeutic strategy may be necessary to regain lost functions. Therefore
Omer Frenkel et al.
Phytopathology, 105(3), 370-377 (2014-10-02)
We studied the mechanisms of azole resistance in Erysiphe necator by quantifying the sensitivity to myclobutanil (EC50) in 65 isolates from the eastern United States and 12 from Chile. From each isolate, we sequenced the gene for sterol 14α-demethylase (CYP51)
Sadia Ameen et al.
Analytica chimica acta, 886, 165-174 (2015-09-01)
Aligned p-type polypyrrole (PPy) nanofibers (NFs) thin film was grown on n-type silicon (100) substrate by an electrochemical technique to fabricate Schottky junction diode for the efficient detection of m-dihydroxybenzene chemical. The highly dense and well aligned PPy NFs with
Flavor compounds formed during the Maillard reaction.
Mottram DS.
ACS Symp. Ser., 543, 104?126-104?126 (1994)
Tongjie Yao et al.
Chemistry, an Asian journal, 10(9), 1940-1947 (2015-06-26)
The simple preparation of catalysts with superior catalytic activity and good reusability is highly desirable. Herein, we report a novel strategy to construct reduced graphene oxide (rGO)/Pd-Fe3 O4 @polypyrrole (PPy) catalysts with Pd and Fe3 O4 nanoparticles anchored on a
Madeshwaran Sekkarapatti Ramasamy et al.
Journal of colloid and interface science, 455, 63-70 (2015-06-10)
The synthesis of self-doped conducting polypyrrole-grafted graphene sheets (GS-PPy) for non-volatile memory applications is reported. First, the alkyne-modified graphene sheets (GS-alkyne) were covalently functionalized with a water-soluble polymer containing numerous anionic SO3(-) dopants by a copper-catalyzed click reaction. Then, polypyrrole
Lianbin Zhang et al.
Advanced materials (Deerfield Beach, Fla.), 27(33), 4889-4894 (2015-07-18)
Self-healing hydrophobic light-to-heat conversion membranes for interfacial solar heating are fabricated by deposition of light-to-heat conversion material of polypyrrole onto a porous stainless-steel mesh, followed by hydrophobic fluoroalkylsilane modification. The mesh-based membranes spontaneously stay at the water-air interface, collect and
Monica Mazzarino et al.
Journal of pharmaceutical and biomedical analysis, 117, 47-60 (2015-09-08)
This work presents an analytical method for the simultaneous analysis in human urine of 38 pharmacologically active compounds (19 benzodiazepine-like substances, 7 selective serotonin reuptake inhibitors, 4 azole antifungal drugs, 5 inhibitors of the phosphodiesterases type 4 and 3 inhibitors
Mohammad T Jafari et al.
Analytica chimica acta, 853, 460-468 (2014-12-04)
The capability of electrospray ionization-conventional ion mobility spectrometry (ESI-IMS) for direct analysis of the samples extracted by solid phase microextraction (SPME) was investigated and evaluated for the first time. To that end, an appropriate new desorption chamber was designed and
Chinaza Egbuta et al.
Endocrinology, 155(12), 4622-4628 (2014-09-23)
Biosynthesis of estrogens from androgens is catalyzed by cytochrome P450 aromatase. Aromatase inhibition by the triazole compounds letrozole (LTZ) and anastrozole is a prevalent therapy for estrogen-dependent postmenopausal breast cancer. Azoles are widely used as agricultural fungicides and antimycotic drugs
Jun Seop Lee et al.
Small (Weinheim an der Bergstrasse, Germany), 11(20), 2399-2406 (2015-01-22)
Dopamine (DA), as one of catecholamine family of neurotransmitters, is crucially important in humans owing to various critical effects on biometric system such as brine circuitry, neuronal plasticity, organization of stress responses, and control of cardiovascular and renal organizations. Abnormal
Zhaohui Wang et al.
ACS nano, 9(7), 7563-7571 (2015-06-18)
We demonstrate that surface modified nanocellulose fibers (NCFs) can be used as substrates to synthesize supercapacitor electrodes with the highest full electrode-normalized gravimetric (127 F g(-1)) and volumetric (122 F cm(-3)) capacitances at high current densities (300 mA cm(-2) ≈
ShuLing Wang et al.
Analytica chimica acta, 900, 67-75 (2015-11-18)
In this paper, polypyrrole/graphene (PPy/G) composite coating was prepared by a facile electrochemical polymerization strategy on the inner surface of a stainless steel (SS) tube. Based on the coating tube, a novel online in-tube solid-phase microextraction -high performance liquid chromatography
Mitsuyoshi Onoda
Applied biochemistry and biotechnology, 174(3), 897-910 (2014-06-12)
Conductive polymers are a strong contender for making electronic circuits. The growth pattern in conductive polymer synthesis by the electrolysis polymerization method was examined. The growth pattern is deeply related to the coupling reaction of the radical cation and the
Jiawen Dai et al.
Biochemical and biophysical research communications, 458(1), 104-109 (2015-02-01)
Cells in many organs exist in both proliferating and quiescent states. Proliferating cells are more radio-sensitive, DNA damage pathways including p53 pathway are activated to undergo either G1/S or G2/M arrest to avoid entering S and M phase with DNA
Behnam Ebrahimpour et al.
Analytica chimica acta, 885, 98-105 (2015-08-02)
The aim of the present work is combination of the advantages of magnetic solid phase extraction (MSPE) and dispersive liquid phase microextraction (DLLME) followed by filtration-based phase separation. A new pretreatment method was developed for trace determination of megestrol acetate
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
Miina Björninen et al.
Annals of biomedical engineering, 42(9), 1889-1900 (2014-05-16)
Polypyrrole (PPy) is a conductive polymer that has aroused interest due to its biocompatibility with several cell types and high tailorability as an electroconductive scaffold coating. This study compares the effect of hyaluronic acid (HA) and chondroitin sulfate (CS) doped
Melissa Malvaez et al.
Scientific reports, 5, 12511-12511 (2015-07-28)
Environmental stimuli have the ability to generate specific representations of the rewards they predict and in so doing alter the selection and performance of reward-seeking actions. The basolateral amygdala participates in this process, but precisely how is unknown. To rectify
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