Chemist, Ph.D.

USDA-ARS Instrumentation & Sensing Laboratory
10300 Baltimore Avenue
Building 303, BARC-East
Beltsville, MD 20705-2350 USA

Phone: 301-504-8450 ext 231
Fax: 301-504-9466

Publications (2000-2007)
For selected publications, click on the icon to view the full article in PDF format.

1. Liu, Y., and Y.R. Chen. 2000. Two-dimensional correlation spectroscopy study of visible and near-infrared spectral variations of chicken meats in cold storage. Applied Spectroscopy. 54(10): 1458-1470.
2. Liu, Y., Y.R. Chen, and Y. Ozaki. 2000. Two-dimensional visible/near-infrared correlation spectroscopy study of thermal treatment of chicken meats. Journal of Agricultural and Food Chemistry. 48(3): 901-908.
3. Liu, Y., Y.R. Chen, and Y. Ozaki. 2000. Characterization of visible spectral intensity variations of wholesome and unwholesome chicken meats with two-dimensional correlation spectroscopy. Applied Spectroscopy. 54(4): 587-594.
4. Liu, Y., Y.R. Chen, and Y. Ozaki. 2000. 2D Vis/NIR Correlation Spectroscopy of Cooked Chicken Meats. Pp. 312-315 in: Two Dimensional Correlation Spectroscopy, Y. Ozaki and I. Noda, eds. American Institute of Physics.
5. Chen, Y.R., K. Chao, W.R. Hruschka, and Y. Liu. 2001. Advances in sensing technologies for poultry inspection. SPIE Critical Review. 80: 140-181. In: Optics in Agriculture 1990-2000, J.A. DeShazer and G.E.Meyer, eds.
6. Liu, Y. and Y.R. Chen. 2001. Two-dimensional visible/near-infrared correlation spectroscopy study of thawing behavior of frozen chicken meats without exposure to air. Meat Science. 57(3): 299-310.
7. Liu, Y. and Y.R. Chen. 2001. Analysis of visible reflectance spectra of stored, cooked and diseased chicken meats. Meat Science. 58(4): 395-401.
8. Chao, K., Y. Liu, Y.R. Chen, D.W. Thayer, and W.R. Hruschka. 2002. Characterization of spectral variations of irradiated chicken breasts with 2D correlation spectroscopy. Applied Engineering in Agriculture. 18(6): 745-750.
9. Liu, Y., F.E. Barton II, B.G. Lyon, and Y.R. Chen. 2003. Variations of large spectral sets; two-dimensional correlation analysis of loadings spectra of principal component analysis. Journal of Near-Infrared Spectroscopy. 11:457-466.
10. Liu, Y., X. Fan, Y.R. Chen, and D.W. Thayer. 2003. Changes in structure and color characteristics of irradiated chicken breasts as a function of dosage and storage time. Meat Science 63: 301-307.
11. Liu, Y., F.E. Barton, B.G. Lyon, W.R. Windham, and C.E. Lyon. 2004. Two-Dimensional Correlation Analysis of Visible/Near-Infrared Spectral Intensity Variations of Chicken Breasts with Various Chilled and Frozen Storages. Journal of Agricultural and Food Chemistry. 52(3): 505-510.
12. Liu, Y., Y.R. Chen, C.-Y. Wang, D.E. Chan, and M.S. Kim. 2005. Development of simple algorithm for the detection of chilling injury in cucumbers from visible/near-infrared hyperspectral imaging. Applied Spectroscopy 59 (1): 78-85.
13. Liu, Y., K. Chao, Y.R. Chen, M.S. Kim, X. Nou, D.E. Chan, C.C. Yang. 2006. Detection of fecal/ingesta contaminants at slaughter plants from a number of characteristic visible and near-infrared bands. SPIE Proceedings, Volume 6381 – Optics for Natural Resources, Agriculture, and Foods (Y.R. Chen, G.E. Meyer, and S.I. Tu, eds.) (in press)
14. Liu, Y., Y.R. Chen, C.-Y. Wang, D.E. Chan, and M.S. Kim. 2006. Development of hyperspectral imaging technique for the detection of chilling injury in cucumbers; spectral and image analysis. Applied Engineering in Agriculture 22(1): 101-111.
15. Chen, Y.R., Y. Liu, X. Nou, and K. Chao. 2007. Development of SERS spectroscopy for routine and rapid identification of Escherichia Coli and Listeria Monocytogenes on silver colloidal nanoparticles. In NSTI-Nanotech 2007 Technical Proceedings, volume 2, pp. 549-552.
16. Liu, Y., Y.R. Chen, M.S. Kim, D.E. Chan, and A.M. Lefcourt. 2007. Development of simple algorithms for the detection of fecal contaminants on apples from visible/near infrared hyperspectral reflectance imaging. Journal of Food Engineering. 81(2007): 412-418.
17. Liu, Y., Y.R. Chen, X. Nou, and K. Chao. 2007. Potential of surface-enhanced Raman spectroscopy for the rapid identification of Escherichia Coli and Listeria monocytogenes cultures on silver colloidal nanoparticles. Applied Spectroscopy. (in press for August 2007 issue)

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