Results 191 to 200 of about 10,013 (252)
Spatially engineered optical-acoustic matching in quartz-enhanced photoacoustic spectroscopy. [PDF]
PhotoacousticsCui R +10 more
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Vibrational Fingerprinting of Gas Mixtures Using COCO-QEPAS. [PDF]
Sensors (Basel)Angstenberger S +4 more
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Biosensors and Bioelectronics, 2002
The use of quartz tuning forks for biosensor applications is investigated. The basis of the sensor is to coat the tuning fork surfaces with specific biomolecules and measure subsequent mass loading from the selective binding of complementary analytes. Two experimental set-ups are evaluated, direct mechanical excitation and self-excitation.
Xiaodi Su
exaly +3 more sources
The use of quartz tuning forks for biosensor applications is investigated. The basis of the sensor is to coat the tuning fork surfaces with specific biomolecules and measure subsequent mass loading from the selective binding of complementary analytes. Two experimental set-ups are evaluated, direct mechanical excitation and self-excitation.
Xiaodi Su
exaly +3 more sources
Journal of Low Temperature Physics, 2007
Use of a quartz tuning fork for precise measurements of density has been studied in normal 3He liquid and in 4He liquid and vapor, spanning a reasonably wide range of fluid densities. It is evident that the compressibility of the fluid must be accounted for in order to properly interpret the resonator response.
J T Tuoriniemi, A P Sebedash
exaly +2 more sources
Use of a quartz tuning fork for precise measurements of density has been studied in normal 3He liquid and in 4He liquid and vapor, spanning a reasonably wide range of fluid densities. It is evident that the compressibility of the fluid must be accounted for in order to properly interpret the resonator response.
J T Tuoriniemi, A P Sebedash
exaly +2 more sources
Quartz tuning fork based microwave impedance microscopy
Review of Scientific Instruments, 2016Microwave impedance microscopy (MIM), a near-field microwave scanning probe technique, has become a powerful tool to characterize local electrical responses in solid state samples. We present the design of a new type of MIM sensor based on quartz tuning fork and electrochemically etched thin metal wires. Due to a higher aspect ratio tip and integration
Yong-Tao Cui, Eric Yue Ma, Zhi-Xun Shen
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A high sensitivity quartz tuning fork temperature sensor
2009 4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems, 2009In this paper, a highly sensitive temperature sensor based on quartz tuning fork resonators is reported. The temperature sensor is configured by ZY (110°/10°) Cut quartz crystal wafer based bulk acoustic wave (BAW) tuning fork resonators whose operating frequency is at 31 KHz.
Jun Xu, Bo You, Xin Li, Jing Ma
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Mid-infrared swept cavity-enhanced photoacoustic spectroscopy using a quartz tuning fork
Applied Physics Letters, 2023We report the development of swept cavity-enhanced photoacoustic spectroscopy using a quartz tuning fork for ultra-sensitive and high-resolution molecular spectroscopy.
Qinxue Nie +4 more
semanticscholar +1 more source
Effective stiffness of qPlus sensor and quartz tuning fork
Ultramicroscopy, 2014Quartz tuning forks (QTFs) have been extensively employed in scanning probe microscopy. For quantitative measurement of the interaction in nanoscale using QTF as a force sensor, we first measured the effective stiffness of qPlus sensors as well as QTFs and then compared the results with the cantilever beam theory that has been widely used to estimate ...
Jongwoo Kim +4 more
openaire +2 more sources
IEEE Sensors Journal, 2023
The concentration of oxygen (O2) plays a crucial role in the metabolic respiration, maturation, and ripening processes of fruits. In this study, we propose a novel method for gas detection called light-induced thermoelastic spectroscopy (LITES), which ...
J. Dai +6 more
semanticscholar +1 more source
The concentration of oxygen (O2) plays a crucial role in the metabolic respiration, maturation, and ripening processes of fruits. In this study, we propose a novel method for gas detection called light-induced thermoelastic spectroscopy (LITES), which ...
J. Dai +6 more
semanticscholar +1 more source