Basic QCM-D and Q-Sense Product range
QCM QCM-D Q-Sense • 1960s: QCM for monitoring of thin films in air and vacuum • 1972 QCM as biosensor • 1980s QCM is operated in liquid • 1990s QCM is further developed into QCM-D • 1995 QCM-D technology patented • 1996 Q-Sense founded • 1999 1st QCM-D generation launched • 2005 2nd QCM-D generation launched
QCM-D Monitoring of Binding-Induced Conformational Change of
the QCM-D sensor provides information on structural characteristics of biomolecular interactions Therefore, the QCM-D technique has been used to detect conformation change of polymer chains [19] and biological interactions [20] In this study, we utilized a QCM-D sensor to characterize
QUARTZ CRYSTAL MICROBALANCE STUDY OF DNA IMMOBILIZATION AND
here is also another special QCM called QCM-D The instrumentation for making pulse ssisted discrimination of f and D is called QCM-D and is made by Q-Sense AB The issipation factor gives information about the structure of the adhering/attached layer scillating with the sensor crystal In liquid, an adsorbed film may consist of a
Asphaltene Deposition in Different Depositing Environments
injecting into the QCM−D setup 2 2 Asphaltene Adsorption Experiments 2 2 1 QCM Setup The Q-Sense high-temperature chamber (QHTC) 101 (Q-Sense AB, Sweden) with a working temperature of 4−150 °C is used in this study The chamber includes a Flow Module 401 made of titanium The AT-cut sensor crystal (5 MHz) with a diameter of 14 mm is used
Study of Simultaneous Fluid and Mass Adsorption Model in the
In the QCM-D sensor, the circular QCM crystal is mounted in the liquid cell chamber (inner diameter 11 1mm, height 0 64 mm) One of the reactants is immobilized on the sensor surface while the mobile analyte(s) flow continuously over it A bound complex is formed on the surface of the crystal A schematic QCM-D sensor and
Q-Sense Modules & Sensors
The Q-Sense Vacuum holder is designed to enable QCM-D measurements in a vacuum chamber The holder is open on both sides of the sensor to prevent uneven pressure changes Cables are provided to connect the Vaccum holder to the vacuum chamber both inside the chamber and to connect the vacuum chamber to the QCM-D electronics unit
QCM100- Quartz Crystal Microbalance Theory and Calibration
fundamental property of the QCM crystal Thus, in theory, the QCM mass sensor does not require calibration However, it must be kept in mind, that the Sauerbrey equation is only strictly applicable to uniform, rigid, thin-film deposits 2 Vacuum and gas phase thin-film depositions which fail to fulfill any of these conditions
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