[ 1 ] Yu P. Application of advanced synchrotron radiation-based Fourier transform infrared (SR-FTIR) microspectroscopy to animal nutrition and feed science: A novel approach. Br J Nutr 2004;92(6):869–85 link1

[ 2 ] Budevska BO. Applications in life, pharmaceutical and natural sciences. In: Chalmers JM, Griffiths PR, editors Handbook of vibrational spectroscopy. New York: John Wiley & Sons; 2002. p. 3720–32.

[ 3 ] Marinkovic NS, Huang R, Bromberg P, Sullivan M, Toomey J, Miller LM, et al.Center for Synchrotron Biosciences’ U2B beamline: An international resource for biological infrared spectroscopy. J Synchrotron Radiat 2002;9(Pt 4):189–97 link1

[ 4 ] Wetzel DL, Eilert AJ, Pietrzak LN, Miller SS, Sweat JA. Ultraspatially-resolved synchrotron infrared microspectroscopy of plant tissue in situ. Cell Mol Biol 1998;44(1):145–68.

[ 5 ] Marinkovic NS, Chance MR. Synchrotron infrared microspectroscopy. In: Meyers R, editor Encyclopedia of molecular cell biology and molecular medicine. 2nd ed. New Jersey: Wiley-Blackwell; 2004. p. 671–708.

[ 6 ] Miller LM, Dumas P. Chemical imaging of biological tissue with synchrotron infrared light. Biochim Biophys Acta 2006;1758(7):846–57 link1

[ 7 ] Yu P. Synchrotron-based microspectroscopic analysis of molecular and biopolymer structures using multivariate techniques and advanced multi-component modeling. Can J Anal Sci Spect 2008;53(5):220–31.

[ 8 ] Wetzel DL, Srivarin P, Finney JR. Revealing protein infrared spectral detail in a heterogeneous matrix dominated by starch. Vib Spectrosc 2003;31(1):109–14 link1

[ 9 ] Doiron K, Yu P, McKinnon JJ, Christensen DA. Heat-induced protein structure and subfractions in relation to protein degradation kinetics and intestinal availability in dairy cattle. J Dairy Sci 2009;92(7):3319–30 link1

[10] Doiron KJ, Yu P, Christensen CR, Christensen DA, McKinnon JJ. Detecting molecular changes in Vimy flaxseed protein structure using synchrotron FTIRM and DRIFT spectroscopic techniques: Structural and biochemical characterization. Spectroscopy 2009;23(5–6):307–22 link1

[11] Yu P, Doiron K, Liu D. Shining light on the differences in molecular structural chemical makeup and the cause of distinct degradation behavior between malting- and feed-type barley using synchrotron FTIR microspectroscopy: A novel approach. J Agric Food Chem 2008;56(9):3417–26 link1

[12] Zhang X, Yu P. Molecular basis of protein structure in combined feeds (hulless barley with bioethanol coproduct of wheat dried distillers grains with solubles) in relation to protein rumen degradation kinetics and intestinal availability in dairy cattle. J Dairy Sci 2012;95(6):3363–79 link1

[13] Yu P. Microprobing the molecular spatial distribution and structural architecture of feed-type sorghum seed tissue (Sorghum Bicolor L.) using the synchrotron radiation infrared microspectroscopy technique. J Synchrotron Radiat 2011;18(Pt 5):790–801 link1

[14] Yu P, Theodoridou K, Xin H, Huang P, Lee YC, Wood BR. Synchrotron-based microspectroscopic study on the effects of heat treatments on cotyledon tissues in yellow-type canola (Brassica) seeds. J Agric Food Chem 2013;61(30):7234–41 link1

[15] Yu P. Plant-based food and feed protein structure changes induced by gene-transformation, heating and bio-ethanol processing: A synchrotron-based molecular structure and nutrition research program. Mol Nutr Food Res 2010;54(11):1535–45 link1

[16] Yu P, Nuez-Ortín WG. Relationship of protein molecular structure to metabolisable proteins in different types of dried distillers grains with solubles: A novel approach. Br J Nutr 2010;104(10):1429–37 link1

[17] Yu P. Short communication: Relationship of carbohydrate molecular spectroscopic features to carbohydrate nutrient profiles in co-products from bioethanol production. J Dairy Sci 2012;95(4):2091–6 link1

[18] Abeysekara S, Christensen DA, Niu Z, Theodoridou K, Yu P. Molecular structure, chemical and nutrient profiles and metabolic characteristics of the proteins and energy in new cool-season corn cultivars harvested as fresh forage for dairy cattle. J Dairy Sci 2013;96(10):6631–43 link1

[19] Yu P, Gamage IH, Zhang X. New approaches and recent advances on characterization of chemical functional groups and structures, physiochemical property and nutritional values in feedstocks and by-products: Advanced spectroanalytical and modeling investigations. Appl Spectrosc Rev 2014;49(7):585–602 link1

[20] Becker PM, Yu P. What makes protein indigestible from tissue, cellular, and molecular structure aspects? Mol Nutr Food Res 2013;57(10):1695–707.

[21] Yang L, Christensen DA, McKinnon JJ, Beattie AD, Xin H, Yu P. Investigating the molecular structural features of hulless barley (Hordeum vulgare L.) in relation to metabolic characteristics using synchrotron-based Fourier transform infrared microspectroscopy. J Agric Food Chem 2013;61(47):11250–60 link1

[22] Thedoridou K, Vail S, Yu P. Explore protein molecular structure in endosperm tissues in newly developed black and yellow type canola seeds by using synchrotron-based Fourier transform infrared microspectroscopy. Spectrochim Acta A Mol Biomol Spectrosc 2014;120:421–7 link1

[23] Dumas P. Synchrotron IR microspectroscopy: A multidisciplinary analytical technique. In: Proceedings of the 6th Annual Synchrotron CLS Users’ Meeting and Associated Synchrotron Workshops—WinXAS and Infrared; 2003 Nov 13–15; University of Saskatchewan, Canada; 2003.

[24] Yu P, Block H, Niu Z, Doiron K. Rapid characterization of molecular chemistry, nutrient make-up and microlocation of internal seed tissue. J Synchrotron Radiat 2007;14(Pt 4):382–90 link1

[25] Kemp W. Organic spectroscopy. 3rd ed. New York: W.H. Freeman and Company; 1991 link1

[26] Jackson M, Mantsch HH. The use and misuse of FTIR spectroscopy in the determination of protein structure. Crit Rev Biochem Mol Biol 1995;30(2):95–120 link1

[27] Jackson M, Mantsch HH. Biomedical infrared spectroscopy. In: Mantsch HH, Chapman D, editors Infrared spectroscopy of biomolecules. New York: Wiley-Liss; 1996. p. 311–40.

[28] Kneipp J, Miller LM, Joncic M, Kittel M, Lasch P, Beekes M, et al.In situ identification of protein structural changes in prion-infected tissue. Biochim Biophys Acta 2003;1639(3):152–8 link1

[29] Seguchi M, Takemoto M, Mizutani U, Ozawa M, Nakamura C, Matsumura Y. Effects of secondary structures of heated egg white protein on the binding between prime starch and tailings fractions in fresh wheat flour. Cereal Chem 2004;81(5):633–6 link1

[30] Yu P. Multicomponent peak modeling of protein secondary structures: Comparison of gaussian with lorentzian analytical methods for plant feed and seed molecular biology and chemistry research. Appl Spectrosc 2005;59(11):1372–80 link1

[31] Yu P. Molecular chemistry imaging to reveal structural features of various plant feed tissues. J Struct Biol 2005;150(1):81–9 link1

[32] Yu P. Protein secondary structures (α-helix and β-sheet) at a cellular level and protein fractions in relation to rumen degradation behaviours of protein: A new approach. Br J Nutr 2005;94(5):655–65 link1

[33] Yu P. Synchrotron IR microspectroscopy for protein structure analysis: Potential and questions. Spectroscopy 2006;20(5,6):229–51.

[34] Yu P, McKinnon JJ, Christensen CR, Christensen DA. Imaging molecular chemistry of Pioneer corn. J Agric Food Chem 2004;52(24):7345–52

[35] Yu P, Jonker A, Gruber M. Molecular basis of protein structure in proanthocyanidin and anthocyanin-enhanced Lc-transgenic alfalfa in relation to nutritive value using synchrotron-radiation FTIR microspectroscopy: A novel approach. Spectrochim Acta A Mol Biomol Spectrosc 2009;73(5):846–53 link1

[36] Jonker A, Gruber MY, McCaslin M, Wang Y, Coulman B, McKinnon JJ, et al.Nutrient composition and degradation profiles of anthocyanidin-accumulating Lc-alfalfa populations. Can J Anim Sci 2010;90(3):401–12 link1

[37] Jonker A, Gruber MY, Wang Y, Coulman B, McKinnon JJ, Christensen DA,et al.Foam stability of leaves from anthocyanidin-accumulating Lc-alfalfa and relation to molecular structures detected by Fourier-transformed infrared-vibration spectroscopy. Grass Forage Sci 2012;67(3):369–81 link1

[38] Jonker A, Gruber MY, Wang Y, Coulman B, Azarfar A, McKinnon JJ, et al.Modeling degradation ratios and nutrient availability of anthocyanidin-accumulating Lc-alfalfa populations in dairy cows. J Dairy Sci 2011;94(3):1430–44 link1

[39] Heendeniya RG, Gruber MY, Wang Y, Christensen DA, McKinnon JJ, Coulman B,et al.Effect of co-expression of Lc and C1 flavanoid regulatory genes in alfalfa on nutritive value and ruminal methane production. In: Proceedings of the 2014 ADSA-ASAS-CSAS Joint Annual Meeting; 2014 Jul 20–24; Kansas City, Mo, United States; 2014. link1

[40] Heendeniya RG, Gruber MY, Wang Y, Christensen DA, McKinnon JJ, Coulman B, et al.Nutrient composition and degradation characteristics of anthocyanidin containing alfalfa transformed with Lc, C1, and Lc × C1 regulatory genes. In: Proceedings of the 2014 ADSA-ASAS-CSAS Joint Annual Meeting; 2014 Jul 20–24; Kansas City, Mo, United States; 2014.

[41] Li X, Hannoufa A, Gruber MY, Zhang Y, Yu P. Effect of gene modification on protein and energy values in new alfalfa for dairy cattle. WCDS Adv Dairy Technol 2015;27:379.

[42] Yu P, Niu Z, Damiran D. Protein molecular structures and protein fraction profiles of new coproducts from Bioethanol production: A novel approach. J Agric Food Chem 2010;58(6):3460–4 link1

[43] Peng Q, Khan NA, Wang Z, Zhang X, Yu P. Effect of thermal processing on estimated metabolizable protein supply to dairy cattle from Camelina seeds: Relationship with protein molecular structural changes. J Agric Food Chem 2014;62(33):8263–73 link1

[44] Huang X, Christensen C, Yu P. Effects of conditioning temperature and time during the pelleting process on feed molecular structure, pellet durability index, and metabolic features of co-products from bio-oil processing in dairy cows. J Dairy Sci 2015;98(7):4869–81 link1

[45] Huang X, Khan NA, Zhang X, Yu P. Effects of canola meal pellet conditioning temperature and time on ruminal and intestinal digestion, hourly effective degradation ratio, and potential nitrogen to energy synchronization in dairy cows. J Dairy Sci 2015;98(12):8836–45 link1

[46] Ban Y, Christensen DA, McKinnon JJ, Yu P. Chemical profiles, energy values, protein and carbohydrate fractions of new co-products (carinata meal) from bio-fuel processing as a new alternative feed for dairy cattle in comparison with canola meal. WCDS Adv Dairy Technol 2015;27:359.

[47] Zhang X, Yu P. Using a non-invasive technique in nutrition: Synchrotron radiation infrared microspectroscopy spectroscopic characterization of oil seeds treated with different processing conditions on molecular spectral factors influencing nutrient delivery. J Agric Food Chem 2014;62(26):6199–205 link1