Results 201 to 210 of about 39,102 (256)
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Magnetic Quartz Crystal Microbalance
ECS Meeting Abstracts, 2007Abstract not Available.
George Yu, Jiri Janata
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Dual Quartz Crystal Microbalance
Analytical Chemistry, 1995Construction and performance of a dual quartz crystal microbalance is described. The final probe has a dipstick configuration that is particularly suitable for sensing and monitoring applications in viscous and/or conducting liquids. The differential (heterodyned) frequency measurement substantially eliminates the deleterious effects of viscosity ...
Glen C. Dunham +3 more
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Proximity Effect in Quartz Crystal Microbalance
Analytical Chemistry, 2008When an object approaches a vibrating quartz crystal microbalance (QCM) the resonant frequency changes. This "proximity effect" was seen at the distance of 10 mm in air and became more pronounced as the distance decreased. This effect depends on the quality factor (Q-factor) value of a QCM, conductivity of the object, and electrical connection of the ...
George Y, Yu, Jirí, Janata
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Fluorous-based carbohydrate Quartz Crystal Microbalance
Carbohydrate Research, 2015Fluorous chemistry has brought many applications from catalysis to separation science, from supramolecular materials to analytical chemistry. However, fluorous-based quartz crystal microbalance (QCM) has not been reported so far. In the current paper, fluorous interaction has been firstly utilized in QCM, and carbohydrate-protein interaction and ...
Lei, Chen, Pengfei, Sun, Guosong, Chen
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Review of Scientific Instruments, 2009
A novel device for nanometer-confinement of soft matter in one dimension (1D) is presented. This nanocell, with very large (up to 106:1) cell-radius to cell-height ratio, is tailored as an accessory for quartz crystal microbalance (QCM) and QCM with dissipation-monitoring (QCM-D) sensing to study internal and interfacial energy dissipation phenomena in
Gabriel, Ohlsson +3 more
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A novel device for nanometer-confinement of soft matter in one dimension (1D) is presented. This nanocell, with very large (up to 106:1) cell-radius to cell-height ratio, is tailored as an accessory for quartz crystal microbalance (QCM) and QCM with dissipation-monitoring (QCM-D) sensing to study internal and interfacial energy dissipation phenomena in
Gabriel, Ohlsson +3 more
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Noise in quartz crystal microbalance
2011 21st International Conference on Noise and Fluctuations, 2011There are several mechanisms that are related to fluctuation phenomena in QCM. The aim of our research is oriented to study the sensitivity and influence of different kind of noises on sensor resolution. Our experiments are provided on sensor with sorption layer of polypyrrole which is suitable for detection of water vapor.
Petr Sedlak +7 more
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Quartz crystal microbalance for immunosensing
Fresenius' Journal of Analytical Chemistry, 1994An immunosensing system is described for the detection of specific antibodies in human sera using a piezoelectric immunosensor and a flow through system. A quartz crystal microbalance theory, regarding mass and viscoelastic effects in multilayer systems, which is derived from the Mason circuit, gives the theoretical background for the interpretation of
C. K��linger +3 more
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Immunodetection by Quartz Crystal Microbalance
Applied Biochemistry and Biotechnology, 2000Biodetection is one of the most important challenges for the twenty-first century: many fields are concerned, mainly environmental and medical. The quartz crystal microbalance (QCM) may offer great possibilities for this purpose: a direct response signal, which characterizes the binding event between a sensitive layer, immobilized onto the surface ...
K. Bizet, C. Gabrielli, H. Perrot
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Quartz Crystal Microbalance with Dissipation Monitoring
2021The quartz crystal microbalance with dissipation monitoring (QCM-D) is an ultrasensitive mechanical sensing device that is capable of providing real-time, non-invasive measurements of changes in resonance frequency and energy dissipation responses of cells immobilized onto the sensor surface.
Jennifer Ying Chen +2 more
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Quartz crystal microbalance immunosensors for environmental monitoring
Biosensors and Bioelectronics, 2006This paper presents discussion of quartz crystal microbalance (QCM) immunosensors for environmental monitoring. Factors limiting the practical application of antibodies to analytical problems are also presented. Among several candidates for the QCM immunosensor device, selected QCM devices and oscillating circuits were tested thoroughly and developed ...
Shigeru, Kurosawa +5 more
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