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Apparatus and method for measuring light absorption in small aqueous fluid samples

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G02B-006/20
출원번호 US-0169310 (1993-12-17)
발명자 / 주소
  • Liu Su Y. (Sarasota FL)
출원인 / 주소
  • World Precision Instruments, Inc. (Sarasota FL 02)
인용정보 피인용 횟수 : 52  인용 특허 : 0

초록 ▼

Water or some other aqueous fluid is employed as the light transmitting medium of a liquid-core fiber-optic wave guide employed as a spectrophotometer cell by employing, to define the core region, a polymer having a refractive index of less than 1.33. The light conducting channel defined by the aque

대표청구항 ▼

Apparatus for measuring light absorption in small aqueous fluid samples comprising: a spectrophotometer cell in the form of a fluid core optical wave guide, said wave guide being of tubular construction and having first and second ends, said wave guide acting as a receiver for samples of liquid to b

이 특허를 인용한 특허 (52)

  1. Ji,Zhenghua, Apparatus and methods for evaluating an optical property of a liquid sample.
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  2. Schmidt,Holger; Hawkins,Aaron Roe, Apparatus for optical measurements on low-index non-solid materials based on arrow waveguides.
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  3. Schmidt,Holger; Hawkins,Aaron Roe, Apparatus for optical measurements on low-index non-solid materials based on arrow waveguides.
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  4. Dhadwal, Harbans S.; Aller, Josephine Y.; Kemp, Paul F., Capillary waveguide fluorescence sensor.
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  5. Lockhart, Michael D., Coupled capillary fiber based waveguide biosensor.
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  6. Bahatt, Dar; Reel, Richard T., Detection cell for guiding excitation light therein and method for using same.
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  7. Igata, Eishi, Detection method and detection apparatus.
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  8. Garrett, Mark H., Fiber-coupled liquid sample analyzer with liquid flow cell.
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  9. Stellman Christopher M. ; Bucholtz Frank ; Ewing Kenneth J., Fiber-optic pipette (FOP) for rapid long pathlength capillary spectroscopy.
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  10. Munk Miner N. (Sonoma CA), Flow cell and method for making same.
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  11. Hanlon, Gregory; Neal, Timothy; Edwards, Richard; DiCesare, Joseph L.; Aikens, David M., Flow cell assembly for liquid sample analyzer.
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  12. Hanlon, Gregory; Neal, Timothy; Edwards, Richard; DiCesare, Joseph L.; Aikens, David M., Flow cell assembly for liquid sample analyzer.
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  13. Hanlon, Gregory; Neal, Timothy; Edwards, Richard; DiCesare, Joseph L.; Aikens, David M., Flow cell assembly for liquid sample analyzer.
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  14. Hanlon, Gregory; Neal, Timothy; Edwards, Richard, Flow cell modules and liquid sample analyzers and methods including same.
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  15. Hanlon, Gregory; Neal, Timothy; Edwards, Richard, Flow cell modules and liquid sample analyzers and methods including same.
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  16. Hanlon, Gregory; Neal, Timothy; Edwards, Richard, Flow cell modules and liquid sample analyzers and methods including same.
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  17. Gerner, Yuri; Sims, Carl W.; Thielen, Thomas, Flow cells utilizing photometric techniques.
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  18. Gerner, Yuri; Sims, Carl W.; Thielen, Thomas J., Flow cells utilizing photometric techniques.
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  19. Gerner,Yuri; Sims,Carl W.; Thompson,Jonathan, Fluid analysis apparatus.
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  20. Gerner,Yuri; Sims,Carl W.; Thompson,Jonathan, Fluid analysis apparatus.
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  21. Holmes, Elizabeth; Roy, Joy, Fluid handling apparatus and configurations.
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  22. Kaltenbacher, Eric; Langebrake, Lawrence C.; Byrne, Bob; Waterbury, Robert, Fluorescence based liquid core waveguide.
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  23. Tao, Shiquan; Winstead, Christopher B., Hexavalent chromium monitor.
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  24. Schmidt,Holger; Hawkins,Aaron Roe; Deamer,David W., Integrated electrical and optical sensor for biomolecule analysis with single molecule sensitivity.
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  25. Schmidt,Holger; Hawkins,Aaron Roe, Integrated sensor with electrical and optical single molecule sensitivity.
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  26. Hanlon, Gregory; Neal, Timothy, Lamp temperature management systems and methods for liquid chromatography analyzers.
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  27. Hanlon, Gregory; Neal, Timothy, Lamp temperature management systems and methods for liquid chromatography analyzers.
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  28. Bahatt, Dar; Faulstich, Konrad, Light collection system.
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  29. Dasgupta Purnendu K., Luminescence detector with liquid-core waveguide.
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  30. Wang Rong ; Fein Harry, Method and apparatus for optical measurement of very small fluid samples.
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  31. Munk Miner Nelson ; Perry Douglas Alan ; Said Brian Robert, Method of making a flow cell for light absorption measurement of small volume samples.
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  32. Schembri,Carol T.; Ji,Zhenghua; Yin,Hongfeng; McAllister,William H., Modular cuvettes and methods for use thereof.
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  33. Burd, Tammy; Gibbons, Ian; Holmes, Elizabeth A.; Frenzel, Gary; Nugent, Anthony Joseph, Modular point-of-care devices, systems, and uses thereof.
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  34. Amirkhanian,Varouj; Liu,Ming Sun; Mooney,Paul, Multi-channel bio-separation cartridge.
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  35. Amirkhanian, Varouj; Liu, Ming-Sun, Multi-color multiplexed analysis in a bio-separation system.
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  36. Amirkhanian,Varouj; Liu,Ming Sun; Mooney,Paul, Multi-segment cartridge for bio-separation with multiplexed fluorescence detection.
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  37. Amirkhanian, Varouj; Liu, Ming-Sun, Optical detection in a multi-channel bio-separation system.
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  38. Amirkhanian, Varouj, Optical detection in bio-separation device using axial radiation input.
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  39. Belz, Mathias; Liu, Su Yi; Miller, Richard L., Photometric detection system having multiple path length flow cell.
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  40. Takeshi Taguchi JP; Mitsuo Hiramatsu JP, Pipette adapter, absorbance measuring pipette, tip, absorbance measuring apparatus, and absorbance measuring.
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  41. Nishio, Hajime; Kontani, Tomohiro, SPR sensor cell and SPR sensor.
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  42. Byrne, Robert H.; Kaltenbacher, Eric; Liu, Xuewu, System and method for spectrophotometric measurement of total alkalinity using a liquid core waveguide.
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  43. Gerner, Yuri; Sims, Carl W.; Thompson, Jonathan, System for assembling a fluid analysis apparatus.
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  44. Wasson, James; Frankovich, John Kent; Holmes, Elizabeth A.; Smith, Timothy; Chen, Michael; Young, Daniel, Systems and methods for fluid and component handling.
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  45. Holmes, Elizabeth; Roy, Joy; Frankovich, John Kent, Systems and methods for fluid handling.
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  46. Holmes, Elizabeth A.; Balwani, Sunny; Chen, Michael; Frankovich, John K.; Frenzel, Gary; Anekal, Samartha; Lath, Adrit; Loo, Alexander; Pangarkar, Chinmay; Roy, Joy; Smith, Timothy; Young, Daniel, Systems and methods for multi-analysis.
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  47. Holmes, Elizabeth A.; Chen, Michael; Ko, Pey-Jiun, Systems and methods for multi-analysis.
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  48. Holmes, Elizabeth A.; Gibbons, Ian; Patel, Paul; Anekal, Samartha, Systems and methods for multi-analysis.
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  49. Holmes, Elizabeth A.; Pangarkar, Chinmay; Anekal, Samartha; Frankovich, John K.; Chen, Michael; Smith, Timothy, Systems and methods for multi-analysis.
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  50. Holmes, Elizabeth A.; Wasson, James; Ko, Pey-Jiun, Systems and methods for multi-analysis.
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  51. Holmes, Elizabeth; Balwani, Sunny, Systems and methods for multi-purpose analysis.
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  52. Nugent, Anthony; Young, Daniel; Holmes, Elizabeth A.; Siegel, Michael; Wistort, Ryan, Systems and methods for sample use maximization.
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