IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0668308
(2007-01-29)
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등록번호 |
US-7605920
(2009-11-10)
|
발명자
/ 주소 |
- LeBoeuf, Steven Francis
- Vertiatchikh, Alexei Vasilievich
- Chen, Rui
- Potyrailo, Radislav Alexandrovich
|
출원인 / 주소 |
- GE Homeland Protection, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
7 |
초록
▼
Disclosed herein is a method of identifying a unidentified substance, comprising directing light from a light emitting source directly upon a stationary unidentified substance; collecting fluorescence from the unidentified substance in a detector; wherein the detector comprises a lock-in detection s
Disclosed herein is a method of identifying a unidentified substance, comprising directing light from a light emitting source directly upon a stationary unidentified substance; collecting fluorescence from the unidentified substance in a detector; wherein the detector comprises a lock-in detection system; analyzing the fluorescence; and identifying the unidentified substance. Disclosed herein is a detection system comprising a light emitting source; a circuit board; wherein the trigger is operative to trigger a pulse of electrons from the circuit board to the light emitting source; a detector; and a central processing unit, wherein fluorescence generated from an unknown unidentified substance that is illuminated by light from the light emitting source is collected in the detector and analyzed in the central processing unit.
대표청구항
▼
What is claimed is: 1. A method of identifying a unidentified substance, comprising: directing light from a light emitting source directly upon a stationary unidentified substance; collecting fluorescence from the unidentified substance in a detector; wherein the detector comprises a lock-in detect
What is claimed is: 1. A method of identifying a unidentified substance, comprising: directing light from a light emitting source directly upon a stationary unidentified substance; collecting fluorescence from the unidentified substance in a detector; wherein the detector comprises a lock-in detection system, wherein the light emitting source heats the unidentified substance prior to collecting the fluorescence; analyzing the fluorescence; and identifying the unidentified substance. 2. The method of claim 1, wherein the light emitting source is a light emitting diode. 3. The method of claim 2, wherein the light emitting diode is a surface-emitting light emitting diode, broad band light emitting diodes, ultraviolet light emitting diode, edge-emitting light emitting diode, resonant cavity light emitting diode, flip-chipped light emitting diode, organic light emitting diode, vertical light emitting diode, wavelength-specific light emitting diode, laser light emitting diode, or a combination comprising at least one of the foregoing light emitting diodes. 4. The method of claim 1, wherein the unidentified substance is not in the form of a stream of particles. 5. The method of claim 1, wherein the light from the light emitting source has a wavelength of about 200 to about 450 nanometers. 6. The method of claim 1, wherein the light is emitted from a plurality of light emitting sources and wherein the light emitting sources emit light simultaneously or sequentially. 7. The method of claim 1, wherein the fluorescence is collected by a plurality of detectors either simultaneously or sequentially. 8. The method of claim 1, wherein the light is emitted from a plurality of light emitting sources and wherein the light emitting sources emit light simultaneously or sequentially and wherein the fluorescence is collected by a single detector. 9. The method of claim 1, wherein the light is emitted from a single light emitting source and wherein the fluorescence is collected by a plurality of detectors either simultaneously or sequentially. 10. The method of claim 1, wherein the light is emitted from a plurality of light emitting sources and wherein the light emitting sources emit light simultaneously or sequentially and wherein the fluorescence is collected by a plurality of detectors either simultaneously or sequentially. 11. The method of claim 1, wherein the detector is a photodetector. 12. The method of claim 1, wherein the detector is a photoconductor, a photodiode, a photomultiplier tube, an avalanche photodiode, or a combination comprising at least one of the foregoing photodetectors. 13. The method of claim 1, further comprising transmitting an electrical signal to the light emitting source prior to the focusing of the light. 14. The method of claim 1, further comprising pulsing the light from the light emitting source. 15. The method of claim 1, further comprising gating the detector to receive the fluorescence in pulsed form. 16. The method of claim 1, wherein the light from the light emitting source further impinges on a reflector. 17. The method of claim 16, wherein the light impinges on a reflector prior to being focused on the unidentified substance. 18. The method of claim 1, wherein the fluorescence from the unidentified substance further impinges on a reflector. 19. The method of claim 18, wherein the fluorescence from the unidentified substance impinges on a reflector prior to being focused on the detector. 20. The method of claim 19, further comprising transmitting an electrical signal from the detector to a central processing unit. 21. The method of claim 1, wherein heating is performed to heat an unidentified substance to a temperature above an ambient temperature of the sample. 22. The method of claim 21, wherein heating is performed to heat an unidentified substance to a temperature of at least 50°C. above a temperature of the sample. 23. A method of identifying a unidentified substance, comprising: directing light from a light emitting source directly upon a stationary unidentified substance, wherein the light is emitted from a plurality of light emitting sources and wherein the light emitting sources emit light simultaneously or sequentially; collecting fluorescence from the unidentified substance in a detector; wherein the detector comprises a lock-in detection system; analyzing the fluorescence; and identifying the unidentified substance. 24. A method of identifying a unidentified substance, comprising: directing light from a light emitting source directly upon a stationary unidentified substance; collecting fluorescence from the unidentified substance in a detector; wherein the detector comprises a lock-in detection system, wherein the fluorescence is collected by a plurality of detectors either simultaneously or sequentially; analyzing the fluorescence; and identifying the unidentified substance. 25. A method of identifying a unidentified substance, comprising: directing light from a light emitting source directly upon a stationary unidentified substance; collecting fluorescence from the unidentified substance in a detector; wherein the detector comprises a lock-in detection system, wherein the light is emitted from a plurality of light emitting sources and wherein the light emitting sources emit light simultaneously or sequentially and wherein the fluorescence is collected by a single detector; analyzing the fluorescence; and identifying the unidentified substance. 26. A method of identifying a unidentified substance, comprising: directing light from a light emitting source directly upon a stationary unidentified substance; collecting fluorescence from the unidentified substance in a detector; wherein the detector comprises a lock-in detection system, wherein the light is emitted from a single light emitting source and wherein the fluorescence is collected by a plurality of detectors either simultaneously or sequentially; analyzing the fluorescence; and identifying the unidentified substance.
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