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146篇 您的检索式:作者名="Westerink"
    题名 作者 年代 出处 被引量
1Development and characterization of a microfluidic glucose sensing system based on an enzymatic microreactor and chemiluminescence detection显示文摘Chemiluminescence detection was developed as an alternative to amperometric detection for glucose analysis in a portable, microfluidics-based continuous glucose monitoring system. Amperometric detection allows easy determination of hydrogen peroxide, a product of the glucose oxidase-catalyzed reaction of glucose with oxygen, by oxidation at a microelectrode. However, (micro)electrodes in direct contact with physiological sample are subject to electrode fouling, which leads to signal drift, decreased reproducibility and shortened detector lifetimes. Moreover, there are a few species present in the body (e.g. ascorbic acid, uric acid) which can undergo oxidation at the same applied potential as hydrogen peroxide. These species can thus interfere with the glucose measurement, reducing detection specificity. The rationale for exploring chemiluminescence as opposed to amperometric detection is thus to attempt to improve the lifetime and reproducibility of glucose analysis for monitoring purposes, while reducing interference caused by other chemicals in the body. The study reported here represents a first step in this direction, namely the realization of a microfluidic device with integrated silicon photodiode for chemiluminescence detection of glucose. This microflow device uses a chaotic mixing approach to perform enzymatic conversion of glucose, followed by reaction of the hydrogen peroxide produced with luminol to produce light at 425 nm. The chemiluminescence reaction is catalyzed by horseradish peroxidase in the presence of iodophenol. The performance of the fabricated chip was characterized to establish optimal reaction conditions with respect to sample and reagent flow rates, pH, and concentrations. A linear calibration curve was obtained for current response as a function of glucose concentration in the clinically relevant range between 2 and 10 mM, with a sensitivity of 39 pA/mM (R = 0.9963, one device, n = 3) and a limit of detection of 230 μM (S/N = 3).MOON B.-U. de VRIES M.G. WESTERINK B.H.C. VERPOORTE E. 2012Science China Chemistry2012,55,4:2
2Immune responses to pneumococcal vaccines in children and adults: rationale for age- specific vaccination 显示文摘Westerink MA Schroeder HW Jr Nahm MH 2012Aging Dis2012,3,1:1
3Cytichrome P450 enzyme levels in HepG2 cells and cryopreserved primary human hepatocytes and their induction in HepG2 cells 显示文摘Westerink W M Schoonen W G 2007Toxicol In Vitro2007,21,8:1
4The significance of extracellular calcium for the release of dopamine,acetylcholine and amino acids in conscious rats,evaluated by brain microdialysis显示文摘WESTERINK B H HOFSTEEDE H M DAMSMA G 1988Naunyn Schmiedebergs Arch Pharmacol1988,337,4:1
5Novel vaccine strategies to T-independent antigens 显示文摘Lesinski GB Westerink MA 2001J Microbiol Methods2001,47,2:1
6Adaptive Channel Error Protection of Subband Encoded Images显示文摘Westerink P H Wever J H 1993IEEE Trans Communications1993,41,:1
7Continuous,discontinuous and coupled discontinuous-continuous Galerkin finite element methods for the shallow water equations显示文摘DAWSONL C WESTERINK J J FEYEN J C 2006Int J Numer Methods in Fluids2006,52,:1
8Modulation of human ct 4显示文摘Hendriks HS van Kleef RG Westerink RH 2012Toxicol Lett2012,213,2:1
9Cytochrome P450 enzyme levels in HepG2 cells and cryopreserved pri- mary human hepatocytes and their induction in HepGz cells显示文摘Westerink WM Schoonen WG 2007Toxicol in Vitro2007,21,8:1
10Phase II enzyme levels in HepG2 cells and cryopreserved primary hu man hepatocytes and their induction in HepG2 cells 显示文摘Westerink WM Schoonen WG 2007Toxicology in Vitro2007,21,8:1
11Brain microdialysis and its application for the study of animal behavior显示文摘Westerink BHC 1995Behavioural brain research1995,70,2:1
12Liquid crystalline solutions of cellulose in phosphoric acid 显示文摘B Boerstoel H Maatman H Westerink J B 2001Polymer2001,42,17:1
13High-throughput screening for analysis of in vitro toxicity 显示文摘Schoonen WG Westerink WM Horbach GJ 2009EXS2009,99,:1
14Effect of statin therapy on incident type 2 diabetes mellitus in patients with clinically manifest vascular disease显示文摘van de Woestijne AP van der Graaf Y Westerink J 2015Am J Cardiol2015,115,4:1
15Translating neu- robehavioural endpoints of developmental neurotoxicity tests into in vitro assays and readouts 显示文摘van Thriel C Westerink R Beste C 2012Neurotoxicolo- gy2012,33,4:1
16Neurotoxicity of brominated flame retardants : (in) direct effects of parent and hydroxylated polybrominated diphenyl ethers on the (developing) nervous system 显示文摘Dingemans M M L van den Berg M Westerink R H S 2011Environmental Health Perspectives2011,119,7:1
17Aspects of nonlinear simulations using shallow water models based on the wave continuity equation显示文摘Kolar R L Westerink J J CanteEn M E 1994Computers and Fluids1994,23,3:1
18A multidimensional evaluation of the perceptual quality of television sets显示文摘Teunissen K Westerink J 1996Journal of SMPTE1996,105,31:1
19Hydroxylation Increases the Neurotoxic Potential of BDE-47 to Affect Exocytosis and Calcium Homeostasis in PC12 Cells显示文摘Dingemans Milou M L Groot Aart de Kleef Regina G D M van Bergman ?ke Berg Martin van den Vijverberg Henk P M Westerink Remco H S 2008Environmental Health Perspectives2008,,5:1
20High- throughput screening for analysis of in vitro toxicity 显示文摘Schoonen WG Westerink WM Horbach GJ 2009EXS2009,1,99:1
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