Reliability of correlation between mass change and resonant frequency change for a viscoelastic-film-coated quartz crystal

Muramatsu, Hiroshi; Egawa, Akira; Ataka, Tatsuaki

doi:10.1016/0022-0728(95)03881-g

Cited by 50 publications

(41 citation statements)

References 13 publications

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“…From results observed in other works [21,47], it is expected that the acoustic wave has more difficulties to cross the film as the POT grows because viscoelastic properties could change progressively after each cycle. To check such changes, For a bare 9 MHz quartz crystal resonator, in air and in 0.5 M H 2 SO 4 solution are ∼30 and ∼270 Ω, respectively with a decrease of about 2400 Hz.…”

Section: Electrosynthesismentioning

confidence: 78%

“…Most probably, the viscoelastic properties of POT will change when electrodeposition process exceeds more than 100 cycles. Then, we could expect that the slope of monotonical response comes closer to values of viscous materials [47].…”

Section: Electrosynthesismentioning

confidence: 99%

“…In 1995, Muramatsu et al analysed the Sauerbrey model through the relationship between ∆ and ∆ of viscoelastic films [47]. They proposed a region on the plotted ∆ and ∆ diagram where the relation between the real mass changes and resonant frequency is reliable.…”

Section: Introductionmentioning

confidence: 99%

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Viscoelastic potential-induced changes in acoustically thin films explored by quartz crystal microbalance with motional resistance monitoring

Agrisuelas

Gabrielli

Garcı́a-Jareño

et al. 2015

Electrochimica Acta

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for a net liquid-loading effect on resonator electrode. Therefore, as this value is larger the film deposited on resonator electrode is expected to be more rigid. The experimental results showed in this work points to this assumption. Viscoelastic state of acoustically thin films of poly(o-toluidine) were investigated through redox reactions, in different electrolytes and scan rates potential perturbations. Finally, viscoelastic changes of a relaxed POT and packed POT was compared. The viscoelastic aspects of poly(otoluidine) here investigated can help to understand and adjust the signal transduction of (bio)sensors or for composite supercapacitors where the mechanical properties of the different organic layers can limit the performances of the electrochemical system.

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Section: Electrosynthesismentioning

confidence: 78%

Section: Electrosynthesismentioning

confidence: 99%

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Viscoelastic potential-induced changes in acoustically thin films explored by quartz crystal microbalance with motional resistance monitoring

Agrisuelas

Gabrielli

Garcı́a-Jareño

et al. 2015

Electrochimica Acta

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“…The average measurement interval was about 30 sec at the continuous measurement. The reproducibility of this resonant frequency measurement was within 1 Hz for the quartz crystal in the air and 10 Hz for the quartz crystal immersed in the water at 30 o C. The quality factor (Q factor) of a quartz crystal is defined as the ratio of the energy stored to the energy lost during oscillation and is nearly equivalent to the inverse of energy dissipation during oscillation [82]. As well as the resonant resistance, the Q factor is useful for characterizing the resonant properties of the quartz crystal [83].…”

Section: April 2011mentioning

confidence: 99%

The principles and applications of nano-diagnosis system for a nano-biosensor

Kim

Chang

Muramatsu

et al. 2011

Korean J. Chem. Eng.

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In this review, the basic principles and research trends of biosensors are briefly described and a nano-sensing system applying QCM (quartz crystal micro-balance), nano-diagnosis methods by AFM (atomic force microscopy) and SNOAM (scanning near-field/atomic force microscopy) is discussed intensively. The principle, construction, and applications of piezoelectric crystal sensors as a universal sensor are reviewed. This review is focused mainly on liquid phase applications, such as immune-sensors, gelation detecting sensors, and cultured cell monitoring sensors. The principle of nano-diagnosis based on the AFM or SNOAM techniques is described in detail. Finally, the binding affinity of peptide probes to proteins using AFM and the visualizing of a hybridized PNA probe on a DNA molecule using SNOAM are evaluated and discussed.

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“…It has been shown that the interpretation of QCM data is enhanced by using steady-state techniques, i.e. by measuring the resistance in addition to the resonance frequency [13,14,15,16,17,18].…”

Section: Introductionmentioning

confidence: 99%

Simultaneous measurement of the maximum oscillation amplitude and the transient decay time constant of the QCM reveals stiffness changes of the adlayer

Marxer

Coen

Bissig

et al. 2003

Analytical and Bioanalytical Chemistry

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Interpretation of adsorption kinetics measured with a quartz crystal microbalance (QCM) can be difficult for adlayers undergoing modification of their mechanical properties. We have studied the behavior of the oscillation amplitude, A(0), and the decay time constant, tau, of quartz during adsorption of proteins and cells, by use of a home-made QCM. We are able to measure simultaneously the frequency, f, the dissipation factor, D, the maximum amplitude, A(0), and the transient decay time constant, tau, every 300 ms in liquid, gaseous, or vacuum environments. This analysis enables adsorption and modification of liquid/mass properties to be distinguished. Moreover the surface coverage and the stiffness of the adlayer can be estimated. These improvements promise to increase the appeal of QCM methodology for any applications measuring intimate contact of a dynamic material with a solid surface.

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Reliability of correlation between mass change and resonant frequency change for a viscoelastic-film-coated quartz crystal

Cited by 50 publications

References 13 publications

Viscoelastic potential-induced changes in acoustically thin films explored by quartz crystal microbalance with motional resistance monitoring

Viscoelastic potential-induced changes in acoustically thin films explored by quartz crystal microbalance with motional resistance monitoring

The principles and applications of nano-diagnosis system for a nano-biosensor

Simultaneous measurement of the maximum oscillation amplitude and the transient decay time constant of the QCM reveals stiffness changes of the adlayer

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