A coworker had one that you put a piece of paper under your tongue for a minute. It seemed to work well. I'm not sure why they haven't caught on.
On Wed, Aug 11, 2010 at 3:54 PM, Keith Johnson <keithbjohn...@comcast.net>wrote: > > > I heard about this tech a good five years ago. I'd have thought it'd be > ready for primetime by now. In fact, my wife was even asking at the drug > store if they had the "painless" glucose meters, thinking they already had > the light-passed devices. > > > ----- Original Message ----- > From: "Mr. Worf" <hellomahog...@gmail.com> > To: scifinoir2@yahoogroups.com > Sent: Wednesday, August 11, 2010 5:02:28 PM > Subject: [scifinoir2] Non-invasive way to monitor blood glucose levels > using light > > > > Non-invasive way to monitor blood glucose levels using light > > By Darren Quick <http://www.gizmag.com/author/darren-quick/> > > *21:06 August 10, 2010* > > 3 > Pictures<http://www.gizmag.com/non-invasive-blood-glucose-test/16001/picture/119078/> > [image: MIT researchers have devised a way to measure blood glucose > levels by shining > near-infrare...]<http://www.gizmag.com/non-invasive-blood-glucose-test/16001/picture/119078/> > > MIT researchers have devised a way to measure blood glucose levels by > shining near-infrared light on the skin (Image: Patrick Gillooly) > *Image > Gallery<http://www.gizmag.com/non-invasive-blood-glucose-test/16001/picture/119078/>(3 > images) > * > High-Tech Diabetes > Meter<http://googleads.g.doubleclick.net/aclk?sa=l&ai=BXqYbCg9jTLKFCpTY-AaDoeTrCff3ztgBz6fW0BTAjbcBsJhGEAEYASCz3PoBKAQ4AFCItsHx-f____8BYMmO8IbIo6AZsgEOd3d3Lmdpem1hZy5jb226AQozMDB4MjUwX2pzyAEB2gGQAWh0dHA6Ly93d3cuZ2l6bWFnLmNvbS9ub24taW52YXNpdmUtYmxvb2QtZ2x1Y29zZS10ZXN0LzE2MDAxLz91dG1fc291cmNlPUdpem1hZytTdWJzY3JpYmVycyZ1dG1fY2FtcGFpZ249MjE3ZWRmZjNlZC1VQS0yMjM1MzYwLTQmdXRtX21lZGl1bT1lbWFpbIACAcgCj4aBE6gDAegD9gToA68H6AOjA_UDAAAARA&num=1&sig=AGiWqtwO5x0Kp8ibOV7ldp29u5bjTINgTg&client=ca-pub-1607124478120364&adurl=http://clickserve.dartsearch.net/link/click%3Flid%3D43000000232828109%26ds_s_kwgid%3D58000000004998303%26ds_e_adid%3D5427730815%26ds_e_matchtype%3Dcontent%26ds_url_v%3D2>- > www.SimpleWins.com/Contour_USB<http://googleads.g.doubleclick.net/aclk?sa=l&ai=BXqYbCg9jTLKFCpTY-AaDoeTrCff3ztgBz6fW0BTAjbcBsJhGEAEYASCz3PoBKAQ4AFCItsHx-f____8BYMmO8IbIo6AZsgEOd3d3Lmdpem1hZy5jb226AQozMDB4MjUwX2pzyAEB2gGQAWh0dHA6Ly93d3cuZ2l6bWFnLmNvbS9ub24taW52YXNpdmUtYmxvb2QtZ2x1Y29zZS10ZXN0LzE2MDAxLz91dG1fc291cmNlPUdpem1hZytTdWJzY3JpYmVycyZ1dG1fY2FtcGFpZ249MjE3ZWRmZjNlZC1VQS0yMjM1MzYwLTQmdXRtX21lZGl1bT1lbWFpbIACAcgCj4aBE6gDAegD9gToA68H6AOjA_UDAAAARA&num=1&sig=AGiWqtwO5x0Kp8ibOV7ldp29u5bjTINgTg&client=ca-pub-1607124478120364&adurl=http://clickserve.dartsearch.net/link/click%3Flid%3D43000000232828109%26ds_s_kwgid%3D58000000004998303%26ds_e_adid%3D5427730815%26ds_e_matchtype%3Dcontent%26ds_url_v%3D2> > The First Glucose Meter With Plug And Play technology. 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It is essential to keep an eye on blood glucose > levels because too much sugar can damage organs, while too little deprives > the body of necessary fuel. To minimize that pain and inconvenience, > researchers at MIT’s Spectroscopy Laboratory are working on a noninvasive > way to measure blood glucose levels using light. > > First envisioned by Michael Feld, the late MIT professor of physics and > former director of the Spectroscopy Laboratory, the technique uses Raman > spectroscopy, a method that identifies chemical compounds based on the > frequency of vibrations of the bonds holding the molecule together. The > technique can reveal glucose levels by simply scanning a patient’s arm or > finger with near-infrared light, eliminating the need to draw blood. > > Spectroscopy Lab graduate students Ishan Barman and Chae-Ryon Kong are > developing a small Raman spectroscopy machine, about the size of a laptop > computer, that could be used in a doctor’s office or a patient’s home. Such > a device could one day help some of the nearly 1 million people in the > United States, and millions more around the world, who suffer from type 1 > diabetes. > <http://www.gizmag.com/non-invasive-blood-glucose-test/16001/picture/119077/> > > Researchers in the Spectroscopy Lab <http://web.mit.edu/spectroscopy/>have > been developing this technology for about 15 years. One of the major > obstacles they have faced is that near-infrared light penetrates only about > half a millimeter below the skin, so it measures the amount of glucose in > the fluid that bathes skin cells (known as interstitial fluid), not the > amount in the blood. To overcome this, the team came up with an algorithm > that relates the two concentrations, allowing them to predict blood glucose > levels from the glucose concentration in interstitial fluid. > > However, this calibration becomes more difficult immediately after the > patient eats or drinks something sugary, because blood glucose soars > rapidly, while it takes five to 10 minutes to see a corresponding surge in > the interstitial fluid glucose levels. Therefore, interstitial fluid > measurements do not give an accurate picture of what’s happening in the > bloodstream. > > To address that lag time, Barman and Kong developed a new calibration > method, called Dynamic Concentration Correction (DCC), which incorporates > the rate at which glucose diffuses from the blood into the interstitial > fluid. In a study of 10 healthy volunteers, the researchers used > DCC-calibrated Raman spectroscopy to significantly boost the accuracy of > blood glucose measurements — an average improvement of 15 percent, and up to > 30 percent in some subjects. > > Barman and Kong plan to launch a clinical study to test the DCC algorithm > in healthy volunteers this fall. > > The researchers described the new calibration method and results in the > July 15 issue of the journal *Analytical > Chemistry<http://pubs.acs.org/journal/ancham> > *. > > > -- > Celebrating 10 years of bringing diversity to perversity! > Mahogany at: http://groups.yahoo.com/group/mahogany_pleasures_of_darkness/ > > > > > -- Celebrating 10 years of bringing diversity to perversity! Mahogany at: http://groups.yahoo.com/group/mahogany_pleasures_of_darkness/
