Fabricating Optical Fiber Imaging Sensors Using Inkjet Printing Technology: a pH Sensor Proof-of-Concept

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We demonstrate the feasibility of using Drop-on-Demand microjet printing technology for fabricating imaging sensors by reproducibly printing an array of photopolymerizable sensing elements, containing a pH sensitive indicator, on the surface of an optical fiber image guide. The reproducibility of the microjet printing process is excellent for microdot (i.e. micron-sized polymer) sensor diameter (92.2 {+-} 2.2 microns), height (35.0 {+-} 1.0 microns), and roundness (0.00072 {+-} 0.00023). pH sensors were evaluated in terms of pH sensing ability ({le}2% sensor variation), response time, and hysteresis using a custom fluorescence imaging system. In addition, the microjet technique has distinct advantages over other ... continued below

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PDF-file: 16 pages; size: 0.3 Mbytes

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Carter, J C; Alvis, R M; Brown, S B; Langry, K C; Wilson, T S; McBride, M T et al. March 1, 2005.

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We demonstrate the feasibility of using Drop-on-Demand microjet printing technology for fabricating imaging sensors by reproducibly printing an array of photopolymerizable sensing elements, containing a pH sensitive indicator, on the surface of an optical fiber image guide. The reproducibility of the microjet printing process is excellent for microdot (i.e. micron-sized polymer) sensor diameter (92.2 {+-} 2.2 microns), height (35.0 {+-} 1.0 microns), and roundness (0.00072 {+-} 0.00023). pH sensors were evaluated in terms of pH sensing ability ({le}2% sensor variation), response time, and hysteresis using a custom fluorescence imaging system. In addition, the microjet technique has distinct advantages over other fabrication methods, which are discussed in detail.

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PDF-file: 16 pages; size: 0.3 Mbytes

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  • Journal Name: Biosensors and Bioelectronics; Journal Volume: 21; Journal Issue: 7

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  • Report No.: UCRL-JRNL-210157
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 877797
  • Archival Resource Key: ark:/67531/metadc875981

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  • March 1, 2005

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  • Sept. 21, 2016, 2:29 a.m.

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  • Nov. 28, 2016, 2:36 p.m.

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Carter, J C; Alvis, R M; Brown, S B; Langry, K C; Wilson, T S; McBride, M T et al. Fabricating Optical Fiber Imaging Sensors Using Inkjet Printing Technology: a pH Sensor Proof-of-Concept, article, March 1, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc875981/: accessed September 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.