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Re: [IP] Yet another widget....

3-4 days!!  No WAY!!! 
--- email @ redacted wrote:
> Thursday February 1 3:18 PM ET
> Researchers Develop Dual Glucose-Insulin Sensor 
> By Kirell Lakhman
> NEW YORK (Reuters Health) - Researchers in New
> Mexico have developed an 
> implantable sensor that can simultaneously monitor
> glucose and insulin levels 
> in the blood to help patients with diabetes better
> manage their disease.
> Diabetics already use chemical strips that rely on
> drops of blood or urine to 
> monitor glucose levels, and even sophisticated
> implants that track the amount 
> of insulin in the blood to help anticipate changes
> in glucose levels. But 
> until now, there has not been a device that could
> perform both functions.
> Dr. Joseph Wang and a team of scientists at the
> University of New Mexico in 
> Las Cruces used electrochemistry and computer
> technology to integrate these 
> two concepts into a device that can gather both
> kinds of data through one 
> small, implantable needle that operates as a sensor.
> To develop the sensor, Wang filled a needle about
> the size of a hypodermic 
> needle with two tiny lengths of tubing that collect
> electrochemical data on 
> glucose and insulin levels and transfer it to a
> computer. All of this happens 
> in real time, while the device is implanted, the
> researchers report in the 
> February 15th issue of Analytical Chemistry.
> Although the sensor is still in very early
> stages--the needle was tested 
> while hooked up to a machine that simulates
> fluctuating levels of glucose and 
> insulin production--Wang believes it may become the
> standard of care for 
> patients with diabetes.
> ``The trend is to replace the widely used
> glucose-monitoring strip with 
> implantable devices,'' Wang said in an interview
> with Reuters Health. ``It is 
> very important for patients to be able to measure
> the ratio between the 
> insulin and blood, and help them manage their
> diabetes better.''
> Insulin is the hormone that regulates blood sugar
> (glucose) levels. Without 
> the hormone, blood sugar can rise to levels high
> enough to put patients into 
> a coma.
> To combat these imbalances, patients are prescribed
> insulin either as a pill 
> or via an implantable sensor and pump that monitors
> the level of glucose in 
> the blood and, when that level climbs too high,
> injects a prescribed amount 
> of insulin directly in the skin.
> There are more than 15 million people in the US who
> have diabetes, and 
> another 800,000 are diagnosed with the disease each
> year, according to the 
> American Diabetes Association. Roughly 95% have type
> 2 diabetes, which means 
> that they produce inadequate or inconsistent amounts
> of insulin. People with 
> type 1 diabetes, by comparison, do not generate
> insulin at all.
> Wang said that although he hopes to launch clinical
> trials of the device next 
> summer, he stressed that he and his team have a long
> way to go. ``We must 
> first make the device biocompatible, scale it down
> and make the needle 
> smaller, and improve the electronics,'' he said in
> the interview.
> Ultimately, Wang foresees a device that costs
> between $25 and $30 and is 
> implanted for 3 to 4 days and then replaced.
> Although he said that he has not 
> yet been approached by pharmaceutical companies
> interested in sponsoring his 
> device, potential investors might include Abbott,
> Biovail, Roche and Johnson 
> & Johnson. The study was funded by the National
> Institutes of Health (news - 
> web sites).
> SOURCE: Analytical Chemistry February 2001. 
>  ---------------------------------------------
> Did I read 'implantable for 3 or 4 days'? And then
> must I return to 
> Outpatient Surgery for a new implant? I don't think
> soooooooo...
> Regards,
>  Gil Linkswiler
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