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Near-Infrared Spectroscopy

NIR spectroscopy is an analytical technique that quantitates chemical and physical constituents in whole tissues and extracts. It is an indirect method, as it uses regression models to correlate NIR spectral regions with reference values. Its accuracy is monitored by blind validation. NIR technology is now commonplace among researchers and technicians who work in agriculture, food science, medicine, and pharmaceuticals.

Near-Infrared Spectroscopy

Our scientists have more than 50 years of collective experience in near-infrared (NIR) spectroscopy, and our company has been using NIR technology since 2003. Our specialty is collaboration with other scientists and organizations for large scale analysis of both routine and non-routine samples and analytes. Parties interested in collaborating with AgBotanica should contact us at info@agbotanica.com or 573-999-4170.

Below is a list of our published works in the field of NIR spectroscopy:
  • Roberts, C.A., J.H. Houx III, and F.B. Fritschi. 2011. Near-infrared analysis of sweet sorghum bagasse. Crop Sci. 51:2284-2288.
  • Roberts, C.A., C. Ren, P.R. Beuselinck, H.R. Benedict, and K. Bilyeu. 2006. Fatty acid profiling of soybean cotyledons by near-infrared spectroscopy. Appl. Spectrosc. 60:1328-1333.
  • Roberts, C.A., H.R. Benedict, N.S Hill, R.L. Kallenbach, and G.E. Rottinghaus. 2005. Determination of ergot alkaloid content in tall fescue by near-infrared spectroscopy. Crop Sci. 45:778-783.
  • Roberts, C.A., J.W. Workman, and J.B. Reeves (eds.) 2004. Near-Infrared Spectroscopy in Agriculture. 822 p. ASA Monogr. 44, ASA, Madison, WI.
  • Roberts, C.A., J.S. Stuth, and P.C. Flinn. 2004. Near-infrared applications in forages and feedstuffs. p. 231-267. In C.A. Roberts et al. (eds.) Near-Infrared Spectroscopy in Agriculture. ASA Monogr. 44, ASA, Madison, WI.
  • Gray, D.E., C.A. Roberts, G.E. Rottinghaus, H.E. Garrett, and S.G. Pallardy. 2001. Quantification of chicoric acid in purple coneflower by near infrared reflectance spectroscopy. Crop Sci. 41:1159-1161.
  • Kallenbach, R.L., C.A. Roberts, L.R. Teuber, G.J. Bishop-Hurley, and H.R. Benedict. 2001. Estimation of fall dormancy in alfalfa by near infrared reflectance spectroscopy. Crop Sci. 41:774-777.
  • Roberts, C.A., R.E. Joost, and G.E. Rottinghaus. 1997. Quantification of ergovaline in tall fescue by near infrared reflectance spectroscopy. Crop Sci. 37:281-284.
  • Bewig, K.M., A.D. Clarke, C.A. Roberts, and N. Unklesbay. 1994. Discriminant analysis of vegetable oils using near infrared reflectance spectroscopy. J. Am. Oil Chem. 71:195-200.
  • Bughara, S.S., D.A. Sleper, and C.A. Roberts. 1992. Effect of prepared cellulase solution concentrations on development of NIRS equations for predicting digestibility in tall fescue. Agron. J. 84:636-638.
  • Roberts, C.A., R.R. Marquardt, A.A. Frohlich, R.L. McGraw, R.G. Rotter, and J.C. Henning. 1991. Chemical and spectral quantification of mold in barley. Cereal Chem. 68:272-275.
  • Moore, K.J., C.A. Roberts, and J.O. Fritz. 1990. Indirect estimation of the botanical composition of alfalfa-smooth bromegrass mixtures at three stages of maturity. Agron. J. 82:287-290.
  • Roberts, C.A., P.L. Houghton, K.J. Moore, K.A. MacMillan, and R.P. Lemenager. 1987. Analysis of bovine udder, plate, and viscera using near infrared reflectance spectroscopy. J. Anim. Sci. 65:278-281.
  • Roberts, C.A., K.J. Moore, D.W. Graffis, H.W. Kirby, and R.P. Walgenbach. 1987. Quantification of mold in hay using near infrared reflectance spectroscopy. J. Dairy Sci. 70:2560-2564.
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