Title :
A mass/heat flow sensor combining shear mode resonators with thermoelectrics: principles and applications
Author :
Smith, Allan L. ; Mulligan, S. Rose ; Tian, Jun ; Shirazi, Hamid M. ; Riggs, Jason
Author_Institution :
Dept. of Chem., Drexel Univ., Philadelphia, PA, USA
Abstract :
We describe a new way to monitor chemical and biological processes occurring in thin films interacting with gases and liquids, using a mass/heat flow sensor. The thin films may be metals, polymers, paints or coatings, chemical samples, proteins, catalysts, or monolayers. Changes in mass and in coating stiffness as well as heat generated by chemical or biological process on or in the film are measured with high sensitivity. We call the technique "quartz/crystal microbalance/heat conduction calorimetry" (QCM/HCC).
Keywords :
calorimetry; catalysts; crystal resonators; flow measurement; gas sensors; heat transfer; metallic thin films; microbalances; monolayers; polymer films; proteins; biological processes; chemical processes; coating stiffness; heat conduction calorimetry; heat flow sensor; mass flow sensor; monolayer; polymer; protein; quartz crystal microbalance; shear mode resonator; thermoelectrics; thin films; Biological processes; Biosensors; Chemical and biological sensors; Chemical processes; Coatings; Monitoring; Polymer films; Thermal sensors; Thermoelectricity; Thin film sensors;
Conference_Titel :
Frequency Control Symposium and PDA Exhibition Jointly with the 17th European Frequency and Time Forum, 2003. Proceedings of the 2003 IEEE International
Print_ISBN :
0-7803-7688-9
DOI :
10.1109/FREQ.2003.1275237
