Correlation of surface acoustic wave device coating responses with solubility properties and chemical structure using pattern recognition

Ballantine, David S.; Rose, Susan L.; Grate, Jay W.; Wohltjen, H.

doi:10.1021/ac00127a035

Cited by 211 publications

(147 citation statements)

References 33 publications

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“…This consideration demands that selectivity be achieved, a topic not considered in this paper. Selectivity with SAW resonators will be achieved by the same methods used with SAW delay lines and quartz crystal microbalances, namely: the development of selective sorbent materials, the use of sensor arrays with pattern recognition, and pre-separation or pre-concentration methods (2)(3)(4)(5)(6)(7)(8)17,18,(32)(33)(34)(35). Thus the requirements of real world applications will be met by integrating individual SAW vapor sensors into complete detection systems.…”

Section: Lb Films On Resonatorsmentioning

confidence: 99%

Surface acoustic wave vapor sensors based on resonator devices

Grate¹,

Klusty²

1991

Anal. Chem.

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116

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Section: Lb Films On Resonatorsmentioning

confidence: 99%

Surface acoustic wave vapor sensors based on resonator devices

Grate¹,

Klusty²

1991

Anal. Chem.

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116

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“…The initial investigations of SAW sensor arrays with pattern recognition analysis were publised 58,59 in 1986 and 1988 with an additional investigation in 1993 describing a self-contained SAW array systems with automated sampling and preconcentration 60 . In one of the studies, 12 polymers coating on 112 MHz SAW delay lines were tested against 11 vapours 58 .…”

Section: Electronic Nosementioning

confidence: 99%

Landmine Detection Technologies to Trace Explosive Vapour Detection Techniques

Kapoor

Kannan

2007

DSJ

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Large quantity of explosive is manufactured worldwide for use in various types of ammunition, arms, and mines, and used in armed conflicts. During manufacturing and usage of the explosive equipment, some of the explosive residues are released into the environment in the form of contaminated effluents, unburnt explosives fumes and vapours. Limited but uncontrolled continuous release of trace vapours also takes place when explosive-laden landmines are deployed in the field. One of the major technological challenges in post-war scenario worldwide is the detection of landmines using these trace vapour signatures and neutralising them safely. Different types of explosives are utilised as the main charge in antipersonnel and antitank landmines. In this paper, an effort has been made to review the techniques so far available based on explosive vapour detection especially to detect the landmines. A comprehensive compilation of relevant information on the techniques is presented, and their maturity levels, shortcomings, and difficulties faced are highlighted.

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“…Other basic polymers, such as polyvinylpyrrolidone and polyethyleneimine, have basic properties and have been applied to SAW devices as sensor coatings. 26,27 However, polyvinylpyrrolidone does not have the low glass-to-rubber transition temperature that is desirable, and poly(ethyleneimine) has yielded sensors with poor reproducibility. Again, shortcomings of commercial materials for our application prompted us to synthesize our own low glass-to-rubber transition-temperature basic polymer.…”

Section: Diverse Sorbent Polymersmentioning

confidence: 99%

“…28,29,41 Figure 5 shows the calibration curves for SAW sensors coated with BSP3, fluoropolyol (FPOL), and polydimethylsiloxane (PDMS) when tested against dimethyl methylphosphonate, a nerve-agent simulant. FPOL is a sensor coating for nerve agents described in the past, 26,27,33,42 and PDMS serves as an example of a sorbent polymer lacking functionalities designed for sorption of basic vapors. Signals of greater than 20,000 Hz are observed at a concentration of only 8 mg/m 3 using BSP3.…”

Section: Figure 3 Examples Of Monomers Used In Hydrosilylation Polymmentioning

confidence: 99%

Polymers for Chemical Sensors Using Hydrosilylation Chemistry

Grate¹,

Kaganove²,

Nelson³

2001

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SummarySorbent and functionalized polymers play a key role in a diverse set of fields, including chemical sensors, separation membranes, solid-phase extraction techniques, and chromatography. Sorbent polymers are critical to a number of sensor array or "electronic nose" systems. The responses of the sensors in the array give rise to patterns that can be used to distinguish one compound from another, provided that a sufficiently diverse set of sensing materials is present in the array. Figure S1 illustrates the concept of several sensors, each with a different sensor coating, giving rise to variable responses to an analyte that appear as a pattern in bar-graph format. Using hydrosilylation as the bond-forming reaction, we have developed a versatile and efficient approach to developing sorbent polymers with diverse interactive properties for sensor applications. Both the chemical and physical properties of these polymers are predictable and tunable by design.

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Correlation of surface acoustic wave device coating responses with solubility properties and chemical structure using pattern recognition

Cited by 211 publications

References 33 publications

Surface acoustic wave vapor sensors based on resonator devices

Surface acoustic wave vapor sensors based on resonator devices

Landmine Detection Technologies to Trace Explosive Vapour Detection Techniques

Polymers for Chemical Sensors Using Hydrosilylation Chemistry

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