MEDIATION OF ACOUSTIC ENERGY TRANSMISSION FROM ACOUSTIC-WAVE SENSORS TO THE LIQUID-PHASE BY INTERFACIAL VISCOSITY

被引:57
作者
RAJAKOVIC, LV [1 ]
CAVICVLASAK, BA [1 ]
GHAEMMAGHAMI, V [1 ]
KALLURY, KMR [1 ]
KIPLING, AL [1 ]
THOMPSON, M [1 ]
机构
[1] UNIV TORONTO,DEPT CHEM,80 ST GEORGE ST,TORONTO M5S 1A1,ONTARIO,CANADA
关键词
D O I
10.1021/ac00006a012
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Frequency measurements in water for bulk acoustic wave (thickness shear mode) sensors with gold, aluminium, and silanized aluminum electrodes have been obtained by the oscillator method. Static and time-course responses for particular electrode-to-water interface conditions correlate with changes in hydrophobicity. The water-instigated alteration of the structure of silane films on aluminum electrodes has been studied by X-ray photoelectron spectroscopy, secondary ion mass spectroscopy, gas adsorption experiments, and determination of advancing contact angle with respect to water. The sensor responses are discussed in terms of perturbation of interfacial viscosity and the significance of this parameter in mediation of transfer of acoustic energy into a liquid.
引用
收藏
页码:615 / 621
页数:7
相关论文
共 58 条
[1]  
AHLSTROM P, 1989, CHEM SCRIPTA, V29A, P97
[2]   FORMATION OF MONOLAYER FILMS BY THE SPONTANEOUS ASSEMBLY OF ORGANIC THIOLS FROM SOLUTION ONTO GOLD [J].
BAIN, CD ;
TROUGHTON, EB ;
TAO, YT ;
EVALL, J ;
WHITESIDES, GM ;
NUZZO, RG .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1989, 111 (01) :321-335
[3]   SLIP BETWEEN A LIQUID AND A SOLID - TOLSTOI,D.M. (1952) THEORY RECONSIDERED [J].
BLAKE, TD .
COLLOIDS AND SURFACES, 1990, 47 :135-145
[4]   EXPERIMENTAL ASPECTS OF USE OF THE QUARTZ CRYSTAL MICROBALANCE IN SOLUTION [J].
BRUCKENSTEIN, S ;
SHAY, M .
ELECTROCHIMICA ACTA, 1985, 30 (10) :1295-1300
[5]  
CALABRESE GS, 1987, ANAL CHEM, V59, P837
[6]   STRUCTURAL CHARACTERIZATION OF (3-AMINOPROPYL)TRIETHOXYSILANE-MODIFIED SILICAS BY SI-29 AND C-13 NUCLEAR MAGNETIC-RESONANCE [J].
CARAVAJAL, GS ;
LEYDEN, DE ;
QUINTING, GR ;
MACIEL, GE .
ANALYTICAL CHEMISTRY, 1988, 60 (17) :1776-1786
[7]  
CUKMAN D, 1987, J COLLOID INTERF SCI, V115, P357
[8]   CONTINUOUS LIQUID-PHASE PIEZOELECTRIC BIOSENSOR FOR KINETIC IMMUNOASSAYS [J].
DAVIS, KA ;
LEARY, TR .
ANALYTICAL CHEMISTRY, 1989, 61 (11) :1227-1230
[9]   TWO-DIMENSIONAL RANDOM-WALK DESCRIPTION OF FLUID-FLOW IN THE PRESENCE OF A WALL - THE ORIGIN OF STICK VERSUS SLIP BOUNDARY-CONDITIONS IN THE CONTINUUM-LIMIT [J].
DEKKER, H ;
OPPENHEIM, I .
PHYSICA A, 1983, 117 (01) :1-16
[10]   THE DEVELOPMENT AND USE OF QUANTUM-MECHANICAL MOLECULAR-MODELS .76. AM1 - A NEW GENERAL-PURPOSE QUANTUM-MECHANICAL MOLECULAR-MODEL [J].
DEWAR, MJS ;
ZOEBISCH, EG ;
HEALY, EF ;
STEWART, JJP .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1985, 107 (13) :3902-3909