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InvisibleDiploidM
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Scientists Invent Real Life 'Tricorder'
    #6618784 - 02/28/07 01:28 AM (14 years, 2 months ago)



The new portable system is an ultrafast chemical-analysis tool that has numerous promising uses for detecting everything from cancer in the liver to explosives residues on luggage and "biomarkers" in urine that provide an early warning for diseases.

The instrument is a miniature mass spectrometer combined with a technique called desorption electrospray ionization, or DESI. The device and technique were developed by a team of researchers led by R. Graham Cooks, the Henry Bohn Hass Distinguished Professor of Analytical Chemistry in Purdue's College of Science.

"Conventional mass spectrometers analyze samples that are specially prepared and placed in a vacuum chamber," Cooks said. "The key DESI innovation is performing the ionization step in the air or directly on surfaces outside of the mass spectrometer's vacuum chamber."

Unlike conventional mass spectrometers, which are cumbersome laboratory instruments that weigh more than 300 pounds, the new handheld device weighs less than 20 pounds and can be used in the field.

"We like to compare it to the tricorder because it is truly a handheld instrument that yields information about the precise chemical composition of samples in a matter of minutes without harming the samples," Cooks said.

The researchers at Purdue look for compounds that indicate the possible presence of a particular substance, such as cocaine or explosives residues. If these indicators are found, the equipment performs a more in-depth analysis to determine the exact chemical structure.

The research team has used the device to analyze clothes, foods and tablets, and to identify cocaine on $50 bills in less than 1 second.

Two startup companies have been established on the basis of DESI and the portable mass spectrometer: Prosolia Inc. in Indianapolis, has commercialized the DESI source, and Griffin Analytical Technologies LLC, in West Lafayette, Ind., has commercialized miniature ion trap mass spectrometers.

physorg.com


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Republican Values:

1) You can't get married to your spouse who is the same sex as you.
2) You can't have an abortion no matter how much you don't want a child.
3) You can't have a certain plant in your possession or you'll get locked up with a rapist and a murderer.

4) We need a smaller, less-intrusive government.


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OfflineRuNE
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Re: Scientists Invent Real Life 'Tricorder' [Re: Diploid]
    #6620801 - 02/28/07 04:57 PM (14 years, 2 months ago)



--------------------
~Happy sailing~


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OfflineBaby_Hitler
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Re: Scientists Invent Real Life 'Tricorder' [Re: Diploid]
    #6625494 - 03/01/07 08:29 PM (14 years, 2 months ago)

Put a head on it and give it a "cheeky robot" personality, and it could just as easily be K-9 from Dr. Who.


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OfflineRoosterCogburn
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Re: Scientists Invent Real Life 'Tricorder' [Re: RuNE]
    #6628110 - 03/02/07 03:44 PM (14 years, 2 months ago)

You should have used Spock!

:rofl:


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InvisibleWhiskeyClone
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Re: Scientists Invent Real Life 'Tricorder' [Re: Diploid]
    #6628207 - 03/02/07 04:14 PM (14 years, 2 months ago)

Hahaha... dorks.


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Welcome evermore to gods and men is the self-helping man.  For him all doors are flung wide: him all tongues greet, all honors crown, all eyes follow with desire.  Our love goes out to him and embraces him, because he did not need it.

~ R.W. Emerson, "Self-Reliance"

:heartpump:


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Invisibleadrug

Registered: 02/04/03
Posts: 15,800
Re: Scientists Invent Real Life 'Tricorder' [Re: RuNE]
    #6630848 - 03/03/07 09:47 AM (14 years, 2 months ago)

:lol:

Truly awesome.


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OfflineKonnrade
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Re: Scientists Invent Real Life 'Tricorder' [Re: RuNE]
    #6632089 - 03/03/07 07:39 PM (14 years, 2 months ago)

Quote:

RuNE said:





You win the internet.


--------------------

I find your lack of faith disturbing


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InvisibleAndroctonus
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Re: Scientists Invent Real Life 'Tricorder' [Re: RuNE]
    #6632096 - 03/03/07 07:43 PM (14 years, 2 months ago)

Quote:

RuNE said:



:lolz0rz:  :rofl2:  :lolz0rz:


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The red grass, up to my knees
An aura comes towards me

Someone's changed the formula
Un-chaining another law

The structures, the colors
Uniform chaos is alternating

The nature of things


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