Hydrolysis Methods Impacts Recovery and Detection of Urine Opiates Clinical Chemistry | June 1, 2006| | Copyright American Association for Clinical Chemistry Jun 2006. Provided by ProQuest LLC. (Hide copyright information) Copyright

B-122

P. Wang. J. Ston4, K. Chen, A. Wu. UCSF/San Francisco General Hospital, Sun Francisco, CA.

Background: Confirmation of opiates in clinical urine samples is usually done by gas chromalography coupled with mass speclromelry (GCMS). There are several different sample preparation procedures in use. In these procedures, opiates are extracted from urine with hydrolysis to liberate drugs from their glueuronide conjugates. Both acid hydrolysis and enzyme hydrolysis using β-glucuronidase have been reported, with the latter prevailing in most clinical laboratories. Studies have shown these ...

Related newspaper, magazine, and trade journal articles from HighBeam Research

(Including press releases, facts, information, and biographies)

	Vista Medical Receives FDA Clearance to Market Stereoscope Camera and Endoscope; Next Generation 3D Endoscopic Visualization Products For Minimally Invasive Microsurgery. Business Wire ; ...that 510(k) clearance to market its StereoScope camera head and companion StereoEndoscope...Food and Drug Administration. The StereoScope products add new capability to Vista...Executive Officer John R. Lyon said: "The StereoScope products are the first to be introduced...
	Camera adapters attach to any microscope/stereoscope.(New Products) Magazine article from: Laboratory Equipment ; ...camera adapters that capture images through a microscope or stereoscope using a personal digital or 35-mm camera, Most adapters...with thumbscrews, attaching to nearly any microscope or stereoscope, LW Scientific, Inc. Use InfoLINK 4H1223 or Call 800...
	Prints for the Stereoscope from Your Computer. Magazine article from: PSA Journal ; The stereoscope and stack of stereo cards was standard equipment in the Victorian parlor ... A thing of the past? Not for modern stereo photographers...
	Paris in 3D: From the Stereoscope to Virtual Reality 1850-2000.(Review) Magazine article from: PSA Journal ; Paris in 3D: From the Stereoscope to Virtual Reality 1850-2000 By Francoise Reynaud Paris in 3D is the official publication marking the exhibition of the same...
	A lynching in stereoscope.(Short Story) Magazine article from: African American Review ; Jelly I turn Elizabeth Street. On the sidewalk there's up a penny. Lincoln, great emancipator. I decide to kick him rather than pick him up. There's enough Honest Abes in my pocket. I drain my Pepsi, letting the caffeine hit, while the sugar seeps into my teeth and zigzags up my nose. I shiver.
	Did you know ...(Bits & Pieces)(convergence in Stereoscopes)(Brief article) Magazine article from: Post ; Convergence (Stereoscopic): In human eyesight, convergence is the ability of our eyes to divert eye optical axis horizontally in an inward direction. The convergence "near point" is the closest point at which it is still possible to perceive one image. Eyes can easily converge inward but have less
	Museum provides a peek at early 3-D; Stereoscopic: Collection includes thousands of stereoviews, lantern slides and documents Newspaper article from: Telegraph - Herald (Dubuque) ; ...and last maker of stereoscopes in the world before...1978, well after the stereoscope's heyday. The museum...world. Keystone kept stereoscopes alive until 1939 by...Keystone sold its stereoscope business to the Mast...all of Keystone's stereoscopes collection went to...
	Pa. Museum Looks at 3-D Technology News Wire article from: AP Online ; ...and last maker of stereoscopes in the world before...1978, well after the stereoscope's heyday. The museum...world. Keystone kept stereoscopes alive until 1939 by...Keystone sold its stereoscope business to the Mast...all of Keystone's stereoscopes collection went to...
	Put the 'I' in identification.(Tech Watch: TECHNOLOGY COMMENTARY WITH DEAN STANBRIDGE) Magazine article from: Pest Control ; ...to see the lack of stereoscopes in field offices...years ago, a quality stereoscope would cost more than...make is between a stereoscope and microscope. The...name suggests, a stereoscope has two eyepieces...microscopes and stereoscopes are now either top...
	FOOTBALL DOORSTOP SCORES BIG AT AUCTION BY RALPH AND TERRY KOVEL KING FEATURES SYNDICATE.(HOUSE-HOME) Newspaper article from: Albany Times Union (Albany, NY) ; ...dual photos are viewed through a stereoscope, a very realistic 3-D scene appears. Many stereoscopes were sold with photos that gave...Bates had introduced the Holmes stereoscope in the United States. Yours is...

For more facts and information, see all results

Find more facts and information related to the article "Hydrolysis Methods Impacts Recovery and Detection ..."