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Micro chemical analysis employing flow through detectors

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G02B-006/20
출원번호 US-0242739 (1994-05-13)
발명자 / 주소
  • Liu Su Y. (Sarasota FL)
출원인 / 주소
  • World Precision Instruments, Inc. (Sarasota FL 02)
인용정보 피인용 횟수 : 57  인용 특허 : 0

초록

The chemical properties of a flowing liquid analyte, the analyte comprising a solvent having an index of refraction which is the same as or closely approaches that of water, are determined by liquid chromatography or capillary electrophoreses wherein the analyte is caused to flow through an optical

대표청구항

A method of detecting the presence of an analyte in a solvent stream, said method comprising the steps of: fabricating a waveguide capillary from a fluorocarbon polymer having a refractive index of less than 1.33, the capillary having spatially displaced inlet and discharge ports; delivering the sol

이 특허를 인용한 특허 (57)

  1. Bahatt,Dar; Kowallis,Reid, Apparatus and method for confining eluted samples in electrophoresis systems.
  2. Ji,Zhenghua, Apparatus and methods for evaluating an optical property of a liquid sample.
  3. Schmidt,Holger; Hawkins,Aaron Roe, Apparatus for optical measurements on low-index non-solid materials based on arrow waveguides.
  4. Schmidt,Holger; Hawkins,Aaron Roe, Apparatus for optical measurements on low-index non-solid materials based on arrow waveguides.
  5. Weisbuch,Claude; Benisty,Henri, Biochip type device.
  6. O'Keefe, Anthony; Gupta, Manish, Cavity-enhanced liquid absorption spectroscopy.
  7. Dasgupta Purnendu K. ; Liu Su Yi, Chemical sensing techniques employing liquid-core optical fibers.
  8. Fein Harry ; Liu Su-Yi, Chemical sensing techniques employing liquid-core optical fibers.
  9. Mueller, Jochen; Kraiczek, Karsten; Beigel, Bertram, Coupling for conduits sealed in a recess of a housing.
  10. Bahatt, Dar; Reel, Richard T., Detection cell for guiding excitation light therein and method for using same.
  11. Garrett, Mark H., Fiber-coupled liquid sample analyzer with liquid flow cell.
  12. Munk Miner N. (Sonoma CA), Flow cell and method for making same.
  13. Hanlon, Gregory; Neal, Timothy; Edwards, Richard; DiCesare, Joseph L.; Aikens, David M., Flow cell assembly for liquid sample analyzer.
  14. Hanlon, Gregory; Neal, Timothy; Edwards, Richard; DiCesare, Joseph L.; Aikens, David M., Flow cell assembly for liquid sample analyzer.
  15. Hanlon, Gregory; Neal, Timothy; Edwards, Richard; DiCesare, Joseph L.; Aikens, David M., Flow cell assembly for liquid sample analyzer.
  16. Hobbs, Steven E., Flow cell for optical analysis of a fluid.
  17. Hanlon, Gregory; Neal, Timothy; Edwards, Richard, Flow cell modules and liquid sample analyzers and methods including same.
  18. Hanlon, Gregory; Neal, Timothy; Edwards, Richard, Flow cell modules and liquid sample analyzers and methods including same.
  19. Hanlon, Gregory; Neal, Timothy; Edwards, Richard, Flow cell modules and liquid sample analyzers and methods including same.
  20. Dourdeville Theodore A. ; Gilby Anthony C. ; DellaRovere Dennis, Flow cell, analyte measurement apparatus and methods related thereto.
  21. Dourdeville, Theodore A.; Gilby, Anthony C.; DellaRovere, Dennis, Flow cell, analyte measurement apparatus and methods related thereto.
  22. Gerner, Yuri; Sims, Carl W.; Thielen, Thomas, Flow cells utilizing photometric techniques.
  23. Gerner, Yuri; Sims, Carl W.; Thielen, Thomas J., Flow cells utilizing photometric techniques.
  24. Gerner,Yuri; Sims,Carl W.; Thompson,Jonathan, Fluid analysis apparatus.
  25. Gerner,Yuri; Sims,Carl W.; Thompson,Jonathan, Fluid analysis apparatus.
  26. Gilby,Anthony C., Fluorescence detector geometry.
  27. Tao, Shiquan; Winstead, Christopher B., Hexavalent chromium monitor.
  28. Schmidt,Holger; Hawkins,Aaron Roe; Deamer,David W., Integrated electrical and optical sensor for biomolecule analysis with single molecule sensitivity.
  29. Schmidt,Holger; Hawkins,Aaron Roe, Integrated sensor with electrical and optical single molecule sensitivity.
  30. Hanlon, Gregory; Neal, Timothy, Lamp temperature management systems and methods for liquid chromatography analyzers.
  31. Hanlon, Gregory; Neal, Timothy, Lamp temperature management systems and methods for liquid chromatography analyzers.
  32. Gilby, Anthony C., Light-guiding flowcells with minimal stray light.
  33. Dasgupta Purnendu K., Luminescence detector with liquid-core waveguide.
  34. Walker, Dwight Sherod; Barger, Lee A, Method and apparatus for in-situ spectroscopic analysis.
  35. Wang Rong ; Fein Harry, Method and apparatus for optical measurement of very small fluid samples.
  36. Deng,Tao; Smentkowski,Amy Linsebigler, Method for forming nanoparticle films and application thereof.
  37. Mueller,Jochen; Mueller,Beno, Method for manufacturing a flow cell.
  38. Munk Miner Nelson ; Perry Douglas Alan ; Said Brian Robert, Method of making a flow cell for light absorption measurement of small volume samples.
  39. Bach,David; Booth,Bruce L.; Richards,James C., Micro-array evanescent wave fluorescence detection device.
  40. Floquet, Cedric Florian Aymeric; Morgan, Hywel; Sieben, Vincent Joseph; Ogilvie, Iain Rodney George; Mowlem, Matthew Charles, Microfluidic absorption cell.
  41. Cyr,Douglas R.; Farrow,Roger L.; Arnold,Don W., Microfluidic detection device having reduced dispersion and method for making same.
  42. Cyr,Douglas R.; Farrow,Roger L.; Arnold,Don W., Microfluidic detection device having reduced dispersion and method for making same.
  43. Dholakia, Kishan; Marchington, Robert; Arita, Yoshihiko; Gunn-Moore, Frank, Microfluidic photoporation.
  44. Hummel, Helmut; Lechner, Alfred, Miniaturized on-line trace analysis.
  45. Zhu Jianzhong ; D'Silva Arthur P., Modular component fiber optic fluorescence detector system, and method of use.
  46. Schembri,Carol T.; Ji,Zhenghua; Yin,Hongfeng; McAllister,William H., Modular cuvettes and methods for use thereof.
  47. Gilby,Anthony C., Opaque additive to block stray light in amorphous fluoropolymer light-guiding flowcells.
  48. Gilby, Anthony C., Opaque additive to block stray light in teflon AF light-guiding flowcells.
  49. Liu Su Yi, Optical analysis technique and sensors for use therein.
  50. Amirkhanian, Varouj, Optical detection in bio-separation device using axial radiation input.
  51. Amirkhanian, Varouj, Optical detection in bio-separation device using axial radiation output.
  52. Hobbs, Steven E.; Duong, Hau H., Parallel detection chromatography systems.
  53. Belz, Mathias; Liu, Su Yi; Miller, Richard L., Photometric detection system having multiple path length flow cell.
  54. Ashmead,James William; Tang,Sau Lan, Polymeric microfabricated fluidic device suitable for ultraviolet detection.
  55. Capuano Italo A. ; Lefebvre William T. ; Creasy Kenneth E., Process flow injection analyzer and method.
  56. Oakey,John; Marr,David W. M., Switchable microfluidic optical waveguides.
  57. Gerner, Yuri; Sims, Carl W.; Thompson, Jonathan, System for assembling a fluid analysis apparatus.
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