Field-sensing devices

Polynkin, P. Polynkin, A. Peyghambarian, N. Mansuripur, M., Evanescent field based optical fiber sensing device for measuring the refractive index of liquids in microfluidic channels, Opt. Lett. 2005, 30, 1273 1275... 

Two of the primary applications for wireless data communications systems are to enable mobile or remote connections to a LAN, and to establish wireless communications links between SCADA remote telemetry units (RTUs) and sensors in the field. Wireless card connections are usually used for LAN access from mobile computers. Wireless cards can also be incorporated into RTUs to allow them to communicate with sensing devices that are located remotely. 

We recently published a chapter in the book Silicon Carbide Recent Major Advances by Choyke et al. [19] that describes SiC gas sensor applications in detail. In this book, we emphasize device properties applications are only briefly reviewed at the end. The device and gas sensing properties of various field-effect chemical gas sensing devices based on SiC are described, and other wide bandgap material devices are reviewed. The detection principle and gas response is explained, and the buried channel SiC-FET device is described in detail. Some special phenomena related to the high-temperature influence of hydrogen at high temperature are also reported. 

Measurement science is one of the most active fields of chemistry today. Advances in microelectronics, computers, and sensing devices have accelerated the development of measurement instruments and techniques. Many of these innovations could be used for ocean measurements, although some of the new methods are not well known to ocean scientists. The use of new techniques of analytical chemistry for ocean science applications is impeded by limited interactions between ocean scientists and analytical chemists. Significant technical innovations will be required to make many of the new... 

D. Filippini, I. Lundstrom and H. Uchida, Gap-gate field effect gas sensing device for chemical image generation, Appl. Phys. Lett., 84(15) (2004) 2946-2948. 

Frequently, the challenge for the analytical chemist is not only increasing sensitivity, lowering detection limits, or increasing the signal-to-noise of the sensing device, but to reproducibly deliver the analyte to the instrument. This is particularly prevalent in the field of environmental analyses. Two aspects of... 

The crucial missing part in this scenario is the gateway through which these worlds will communicate how can the digital world sense and respond to changes in the real world Unfortunately, it would appear from the lack of field deployable devices in commercial production that attempts to integrate molecular sensor science into portable devices have failed to bear the fruits promised this problem is what we call the chemo-/biosensing paradox.4... 

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