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Showing 1-30 of 39 results for "244023" within Papers
Ezgi Bayram et al.
Artificial cells, nanomedicine, and biotechnology, 42(6), 418-422 (2013-07-25)
In the biosensor construction, 3-mercaptopropionic acid (3-MPA) and 6-aminocaproic acid (6-ACA) were used for forming self-assembled monolayer (SAM) on a gold disc electrode and pyruvate oxidase was immobilized on the modified electrode surface by using glutaraldehyde. Biosensor response is linearly
Hideo Takakusa et al.
Drug metabolism and disposition: the biological fate of chemicals, 39(6), 1022-1030 (2011-03-03)
Lapatinib, an oral breast cancer drug, has recently been reported to be a mechanism-based inactivator of cytochrome P450 (P450) 3A4 and also an idiosyncratic hepatotoxicant. It was suggested that formation of a reactive quinoneimine metabolite was involved in mechanism-based inactivation
M V Pokrovskaia et al.
Prikladnaia biokhimiia i mikrobiologiia, 47(2), 183-186 (2011-03-01)
A specific, fast, and easy method for revelation of active plate producers of L-asparaginase using differential medium on the basis of LB or M9 with 1.5% agar was developed. Each 100 ml of LB or M9 medium additionally contained 6-7
Evan R Abt et al.
Cell chemical biology, 27(2), 197-205 (2019-11-18)
Biosynthesis of the pyrimidine nucleotide uridine monophosphate (UMP) is essential for cell proliferation and is achieved by the activity of convergent de novo and salvage metabolic pathways. Here we report the development and application of a cell-based metabolic modifier screening
Electrochemical precipitation of neptunium with a micro electrochemical quartz crystal microbalance.
Adan Schafer Medina et al.
Journal of radioanalytical and nuclear chemistry, 324(3), 1021-1030 (2020-07-01)
Microliter volumes are used in electrochemical detection and preconcentration of radionuclides to reduce the dose received by researchers and equipment. Unfortunately, there is a lack of analysis of radionuclides with coupled electrochemical techniques and microliter volume reactors. The goals of
Jacek Zielonka et al.
Free radical biology & medicine, 46(3), 329-338 (2008-11-26)
Methods for the detection and quantitation of hydroethidine (HE) and its oxidation products by HPLC analysis are described. Synthetic methods for preparation of authentic standards (2-hydroxyethidium and diethidium) are provided. Potential applications of the HPLC methods to chemical and biological
M Yokono et al.
Nature communications, 6, 6675-6675 (2015-03-27)
Throughout the history of oxygen evolution, two types of photosystem reaction centres (PSI and PSII) have worked in a coordinated manner. The oxygen evolving centre is an integral part of PSII, and extracts an electron from water. PSI accepts the
Lu Han et al.
Journal of pharmaceutical and biomedical analysis, 58, 141-145 (2011-10-15)
In this paper, a novel chemiluminescence (CL) system, 2-phenyl-4, 5-di (2-furyl) imidazole (PDFI)-potassium ferricyanide, for the determination of terbutaline sulfate was described. The method was based on enhancement of CL emission of PDFI-potassium ferricyanide system in the presence of terbutaline
M R Abdollahi et al.
Gene, 487(1), 96-102 (2011-08-13)
The gus gene is one of the most frequently used reporter genes in transgenic plants. However, this gene can only be used if the selected plant species does not show endogenous GUS activity. Rapeseed (Brassica napus) microspores and microspore-derived embryos
Suqin Han et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 878(28), 2901-2904 (2010-09-08)
A novel capillary electrophoresis (CE) with chemiluminescence (CL) detection method for the determination of mitoxantrone (MTX) has been developed, which based on the CL reaction of potassium ferricyanide with luminol in sodium hydroxide medium sensitized by MTX. Under optimum analytical
Mónica Catalá-Icardo et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 27(3), 291-296 (2011-03-19)
A new method for the determination of the herbicide diuron, using a flow injection manifold and photoinduced chemiluminescence detection, is presented. The pesticide, in basic medium, was irradiated on-line with UV light (254 nm) for 53 s. A short discussion
Liju Yang et al.
Biomedical microdevices, 13(2), 279-289 (2010-11-26)
Microlithographically fabricated interdigitated microsensor electrodes (IMEs) were cleaned, surface activated, chemically functionalized (amine) and derivatized with an Acrloyl-PEG-NHS to receive a spun-applied monomer cocktail of UV polymerizable monomer. IMEs were 2050.5, 1550.5, 1050.5 and 0550.5 possessing lines and spaces that
Daehee Kim et al.
ChemSusChem, 5(6), 1086-1091 (2012-05-10)
To scale-up microbial fuel cells (MFCs), installing multiple unit cells in a common reactor has been proposed; however, there has been a serious potential drop when connecting unit cells in series. To determine the source of the loss, a basic
Jinkun Zhu et al.
Talanta, 93, 428-432 (2012-04-10)
As a kinetic process, chemiluminescence (CL) met great challenges while it was used in the detection methods coupled with capillary electrophoresis (CE). In this investigation, a newly recorded ultra-fast CL reaction of luminol-KIO(4)-K(3)Fe(CN)(6) was observed to be completed in 0.65
Anna S Tarasova et al.
Environmental toxicology and chemistry, 30(5), 1013-1017 (2011-02-11)
The current study deals with the effect of humic substances (HS) on toxicity of solutions of a model inorganic oxidizer, potassium ferricyanide. Chemical reactions responsible for toxicity changes are under consideration. The bioluminescent system of coupled enzymatic reactions catalyzed by
Zhong-Duo Yang et al.
Phytochemical analysis : PCA, 22(6), 509-515 (2011-03-25)
Thin-layer chromatography (TLC) bioautographic method is a simple and rapid method to screen acetylcholinesterase inhibitors from plant extracts. However, the high consumption of enzyme (6 U/mL) in current methods makes the procedure expensive, which is an obstacle to scientific research centers
Rashmi P Rao et al.
Journal of biosciences, 35(4), 519-524 (2011-02-04)
Frog aortic tissue exhibits plasma membrane electron transport (PMET) owing to its ability to reduce ferricyanide even in the presence of mitochondrial poisons, such as cyanide and azide. Exposure to hypotonic solution (108 mOsmol/kg H2O) enhanced the reduction of ferricyanide
Glucose conductometric biosensor with potassium hexacyanoferrate (III) as an oxidizing agent.
Dzyadevich SV, et al.
Analytica Chimica Acta, 374(1), 11-18 (1998)
Jing Kang et al.
Food chemistry, 134(4), 2383-2388 (2013-02-28)
In this paper, 3-mercaptocarboxylic acid (MPA) modified CdTe quantum dots (QDs) were used as sensitizers, to enhance the chemiluminescence (CL) of the calcein/K(3)Fe(CN)(6) system. A new CL system of CdTe/calcein/K(3)Fe(CN)(6) was developed. The effects of reactant concentrations and the particle
Yi Qin et al.
Biotechnology progress, 26(6), 1551-1557 (2010-10-05)
This study aimed to increase the glycolytic flux of the multivitamin auxotrophic yeast Torulopsis glabrata by redirecting NADH oxidation from oxidative phosphorylation to membrane-bound ferric reductase. We added potassium ferricyanide as electron acceptor to T. glabrata culture broth at 20%
Macro-micro relationship in nanostructured functional
Composites
Composites
Zanotto A, et al.
Express Polymer Letters, 6(5), 410-416 (2012)
Eagleson M.
Concise Encyclopedia Chemistry, 291-291 (1994)
Thorsten Litzenburger et al.
Clinical science (London, England : 1979), 134(7), 921-939 (2020-04-03)
Maternal obesity determines obesity and metabolic diseases in the offspring. The white adipose tissue (WAT) orchestrates metabolic pathways, and its dysfunction contributes to metabolic disorders in a sex-dependent manner. Here, we tested if sex differences influence the molecular mechanisms of
Yoshiharu Matsumae et al.
Analytica chimica acta, 842, 20-26 (2014-08-17)
We evaluated the intracellular quinone oxidoreductase (NQO) activity of single HeLa cells by using the menadione-ferrocyanide double-mediator system combined with scanning electrochemical microscopy (SECM). The double-mediator system was used to amplify the current response from the intracellular NQO activity and
Pinar Frank et al.
Optics letters, 37(17), 3603-3605 (2012-09-04)
Here we present a surface based on double-layered nanoparticle stacks suitable for spectro-electrochemical applications. The structure is formed on a continuous gold layer by a two-dimensional periodic array of stacks of gold and tantalum pentoxide nanodisks. Reflection spectra in the
Mark A Jordan et al.
Water research, 47(2), 841-849 (2012-12-04)
Representative and fast monitoring of wastewater influent and effluent biochemical oxygen demand (BOD) is an elusive goal for the wastewater industry and regulatory bodies alike. The present study describes a suitable assay, which incorporates activated sludge as the biocatalyst and
Andreea Bosînceanu et al.
Revista medico-chirurgicala a Societatii de Medici si Naturalisti din Iasi, 116(1), 330-335 (2012-10-20)
Amiodarone is an antiarrhythmic agent used for various types of tachyarrhythmia, both ventricular and supraventricular (atrial) arrhythmia. A spectrophotometric method for the assay of amiodarone was established. Based on the reduction of potassium ferricyanide in hydrochloric acid medium to potassium
Tereza Skálová et al.
Acta crystallographica. Section F, Structural biology and crystallization communications, 67(Pt 1), 27-32 (2011-01-06)
The paper reports the structure of the small laccase from Streptomyces coelicolor determined from a crystal soaked with potassium hexacyanoferrate [K4Fe(CN)6]. The decolorization of the natively blue crystal observed upon soaking indicates the reduction of the enzyme in the crystal.
Shao Su et al.
Nanoscale, 7(45), 19129-19135 (2015-11-03)
Herein, a facile approach for shape-controlled gold nanoparticle (AuNP) decorated thionine-MoS2 nanocomposites (AuNP-Thi-MoS2) had been reported by using the synergistic effect of MoS2 and Thi. Thi was not only used as an electrochemical indicator, but also as a reducing agent
Akhtar Hayat et al.
Analytica chimica acta, 724, 92-97 (2012-04-10)
Okadaic acid (OA), a lipophilic phycotoxin is mainly produced by toxigenic dinoflagellates. The need to develop high performing methods for OA analysis able to improve the traditional ones is evident. In this work, a novel experimental methodology for label-free detection
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