Development Of Novel Simple Multianalyte Sensors For Remote Environmental Analysis PDF Download
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Author | : Professor Sanford A. Asher |
Publisher | : |
Total Pages | : 7 |
Release | : 2003 |
Genre | : |
ISBN | : |
Download Development of Novel, Simple Multianalyte Sensors for Remote Environmental Analysis Book in PDF, ePub and Kindle
Advancement of our polymerized crystalline colloidal array chemical sensing technology. They have dramatically advanced their polymerized crystalline colloidal array chemical sensing technology. They fabricated nonselective sensors for determining pH and ionic strength. They also developed selective sensors for glucose and organophosphorus mimics of nerve gas agents. They developed a trace sensor for cations in water which utilized a novel crosslinking sensing motif. In all of these cases they have been able to theoretically model their sensor response by extending hydrogel volume phase transition theory. They also developed transient sampling methods to allow their ion sensing methods to operate at high ionic strengths. They also developed a novel optrode to provide for simple sampling.
Author | : |
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Total Pages | : 5 |
Release | : 1999 |
Genre | : |
ISBN | : |
Download Development of Novel, Simple, Multianalyte Sensors For Remote Environmental Analysis Book in PDF, ePub and Kindle
We will develop simple, inexpensive new chemical sensing materials which can be used as visual color test strips to sensitively and selectively report on the concentration and identity of environmental pollutants such as cations of Pb, U, Pu, Sr, Hg, Cs, Co as well as other species. We will develop inexpensive chemical test strips which can be immersed in water to determine these analytes in the field. We will also develop arrays of these chemical sensing materials which will be attached to fiber optic bundles to be used as rugged multichannel optrodes to simultaneously monitor numerous analytes remotely in hostile environments. These sensing materials are based on the intelligent polymerized crystalline colloidal array (PCCA) technology we recently developed. This sensing motif utilizes a mesoscopically periodic array of colloidal particles polymerized into an acrylamide hydrogel. This array Bragg diffracts light in the visible spectral region due to the periodic array of colloidal particles. This material also contains chelating agents for the analytes of interest. When an analyte binds, its charge is immobilized within the acrylamide hydrogel. The resulting Donnan potential causes an osmotic pressure which swells the array proportional to the concentration of analyte bound. The diffracted wavelength shifts and the color changes. The change in the wavelength diffracted reports on the identity and concentration of the target analyte.
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 148 |
Release | : 2001-08-31 |
Genre | : Technology & Engineering |
ISBN | : 0309183146 |
Download Research Opportunities for Deactivating and Decommissioning Department of Energy Facilities Book in PDF, ePub and Kindle
When the Cold War abruptly ended, DOE halted most nuclear materials production. In 1995, Congress chartered DOE's Environmental Management Science Program (EMSP) to bring the nation's scientific infrastructure to bear on EM's most difficult, long-term cleanup challenges. The EMSP provides grants to investigators in industry, national laboratories, and universities to undertake research that may help address these cleanup challenges. On several occasions the EMSP has asked the National Academies for advice on developing its research agenda. This report resulted from a 15-month study by an Academies committee on long-term research needs for deactivation and decommissioning (D&D) at DOE sites.
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 146 |
Release | : 2001-10-05 |
Genre | : Science |
ISBN | : 0309075653 |
Download Research Needs for High-Level Waste Stored in Tanks and Bins at U.S. Department of Energy Sites Book in PDF, ePub and Kindle
The United States Department of Energy (DOE) has approximately 400 million liters (100 million gallons) of liquid high-level waste (HLW) stored in underground tanks and approximately 4,000 cubic meters of solid HLW stored in bins. The current DOE estimate of the cost of converting these liquid and solid wastes into stable forms for shipment to a geological repository exceeds $50 billion to be spent over several decades (DOE, 2000). The Committee on Long-Term Research Needs for Radioactive High-Level Waste at Department of Energy Sites was appointed by the National Research Council (NRC) to advise the Environmental Management Science Program (EMSP) on a long-term research agenda addressing the above problems related to HLW stored in tanks and bins at DOE sites.
Author | : Ligia Maria Moretto |
Publisher | : Springer |
Total Pages | : 0 |
Release | : 2016-08-23 |
Genre | : Science |
ISBN | : 9781493956029 |
Download Environmental Analysis by Electrochemical Sensors and Biosensors Book in PDF, ePub and Kindle
This book discusses in detail the analysis and monitoring of the most important analytes in the environmental field. It also reviews the implementation, realization and application of sensor designs mentioned in the first volume of this set, dividing the coverage into global parameters, sensors of organics and sensors of inorganics.
Author | : |
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Total Pages | : |
Release | : 2001 |
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Download Development of Multianalyte Sensor Arrays for Continuous Monitoring of Pollutants Book in PDF, ePub and Kindle
Industrial development has led to the release of numerous hazardous materials into the environment posing a potential threat to surrounding waters. Environmental analysis of sites contaminated by several chemicals calls for continuous monitoring of multiple analytes. Monitoring can be achieved by using imaging bundles (300--400[micro]m in diameter), containing several thousand individual optical fibers for the fabrication of sensors. Multiple sensor sites are created at the distal end of the fiber by immobilizing different analyte-specific fluorescent dyes. By coupling these imaging fibers to a charge coupled device (CCD), one has the ability to spatially and spectrally discriminate the multiple sensing sites simultaneously and hence monitor analyte concentrations.
Author | : Thierry Le Goff |
Publisher | : |
Total Pages | : |
Release | : 2000 |
Genre | : |
ISBN | : |
Download Development of Novel Sensors for Anions of Environmental Interest Book in PDF, ePub and Kindle
Author | : Dwight Bordelon |
Publisher | : |
Total Pages | : 350 |
Release | : 2008 |
Genre | : |
ISBN | : |
Download Development of Multianalyte Optical Sensor Arrays for Ionic Analysis of Small Volumes of Tear Fluid Book in PDF, ePub and Kindle
Author | : Tanin Tangkuaram |
Publisher | : |
Total Pages | : 348 |
Release | : 2007 |
Genre | : Thesis |
ISBN | : |
Download Development of Electrochemical Sensors for Analysis of Medical and Environmental Analytes Book in PDF, ePub and Kindle
Author | : Ligia Maria Moretto |
Publisher | : Springer |
Total Pages | : 713 |
Release | : 2014-10-31 |
Genre | : Science |
ISBN | : 9781493906765 |
Download Environmental Analysis by Electrochemical Sensors and Biosensors Book in PDF, ePub and Kindle
This book presents an exhaustive overview of electrochemical sensors and biosensors for the analysis and monitoring of the most important analytes in the environmental field, in industry, in treatment plants and in environmental research. The chapters give the reader a comprehensive, state-of-the-art picture of the field of electrochemical sensors suitable to environmental analytes, from the theoretical principles of their design to their implementation, realization and application. The first three chapters discuss fundamentals, and the last three chapters cover the main groups of analytes of environmental interest.