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Fibers 2016, 4(4), 27; doi:10.3390/fib4040027

Infrared Imaging of Cotton Fiber Bundles Using a Focal Plane Array Detector and a Single Reflectance Accessory

1
Cotton Structure & Quality Research Unit, Southern Regional Research Center (SRRC), Agricultural Research Service (ARS), United States Department of Agriculture (USDA), New Orleans, LA 70124, USA
2
Cotton Chemistry & Utilization Research Unit, Southern Regional Research Center (SRRC), ARS, USDA, New Orleans, LA 70124, USA
3
Crop Genetics Research Unit, Jamie Whitten Delta States Research Center, ARS, USDA, Stoneville, MS 38776, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Ton Peijs
Received: 29 September 2016 / Revised: 18 October 2016 / Accepted: 18 October 2016 / Published: 10 November 2016
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Abstract

Infrared imaging is gaining attention as a technique used in the examination of cotton fibers. This type of imaging combines spectral analysis with spatial resolution to create visual images that examine sample composition and distribution. Herein, we report on the use of an infrared instrument equipped with a reflection accessory and an array detector system for the examination of cotton fiber bundles. Cotton vibrational spectra and chemical images were acquired by grouping pixels in the detector array. This technique reduced spectral noise and was employed to visualize cell wall development in cotton fibers bundles. Fourier transform infrared spectra reveal band changes in the C–O bending region that matched previous studies. Imaging studies were quick, relied on small amounts of sample and provided a distribution of the cotton fiber cell wall composition. Thus, imaging of cotton bundles with an infrared detector array has potential for use in cotton fiber examinations. View Full-Text
Keywords: cotton; imaging; Fourier transform infrared spectroscopy (FTIR); attenuated total reflection (ATR); maturity; cell wall cotton; imaging; Fourier transform infrared spectroscopy (FTIR); attenuated total reflection (ATR); maturity; cell wall
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Santiago Cintrón, M.; Montalvo, J.G.; Von Hoven, T.; Rodgers, J.E.; Hinchliffe, D.J.; Madison, C.; Thyssen, G.N.; Zeng, L. Infrared Imaging of Cotton Fiber Bundles Using a Focal Plane Array Detector and a Single Reflectance Accessory. Fibers 2016, 4, 27.

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