Greg Collins - Waldorf MD, US Robert Morris - Silver Spring MD, US
International Classification:
G01N031/22
US Classification:
436/080000
Abstract:
A method of measuring the concentration of metal ions in a sample comprising the steps of: providing a sample comprising a nonpolar, liquid hydrocarbon, suspected of containing a metal ion; adding a dye such as a spirobenzopyran dye or bathocuproine and a reducing agent to the sample; wherein the dye forms a complex with the metal ion; wherein the complex has a spectral shift in light absorbance relative to the dye; observing the spectral shift; and calculating the concentration of the metal ion in the sample.
Conductive Polymer Coated Fabrics For Chemical Sensing
Leonard J. Buckley - Springfield VA Greg Collins - Waldorf MD
Assignee:
The United States of America as represented by the Secretary of the Navy - Washington DC
International Classification:
G01N 2712
US Classification:
436151
Abstract:
A fabric chemical sensor, a process and an apparatus is disclosed. The sensor, process and apparatus are for the detection, classification, identification and/or quantitation of one or more component chemicals of a chemical vapor via a resistance measurment made across sensor in response to exposure of the sensor to the chemical vapor.
The United States of America as represented by the Secretary of the Navy - Washington DC
International Classification:
G01N 3320
US Classification:
436 73
Abstract:
A polyfunctional amine, such as cyclam, substituted with 4-(N,N-dimethylao) benzonitrile, exhibits triple fluorescence and complexes with metal ions. The complexation of metal ions with the fluorophore changes the triple fluorescence characteristics of the fluorophore. Thus, this substituted polyfunctional amine provides an effective indicator for the qualitative and quantitative detection of metals.
"We usually have a few calls from retailers to help with unruly customers or shoplifters and a few accidents but (Friday) was quiet," said Sgt. Greg Collins with the Parkersburg Police Department. "We have been very pleased with the day."
Investigators were trying to determine why the intern was inside the enclosure and what might have provoked the attack, sheriff's Sgt. Greg Collins said. The facility is normally closed on Wednesdays, and only one other worker was there when the mauling happened, he said.
The worker was attacked and fatally injured after getting into an enclosure with the lion at Cat Haven in Dunlap, Calif., Fresno County sheriff's Sgt. Greg Collins said. The founder of the park, Dale Anderson, said the worker killed was a female intern-volunteer. The sheriff's office originally said
especially LTE, have heightened the need for intelligent traffic-handling on mobile networks. For example, new systems to prioritize different types of traffic and keep track of subscribers' data use require chips that can perform DPI (deep packet inspection), said analyst Greg Collins of Exact Ventures.