117. Li L, Liu Y, Wan Y, Li Y, Chen X, Zhao W, Wang PG. Efficient enzymatic synthesis of guanosine 5′-diphosphate-sugars and derivatives. Org. Lett. In press. Manuscript ID ol-2013-02585c.

116. Chen Y, Li Y, Yu H, Sugiarto G, Thon V, Hwang J, Ding L, Hie L, *Chen X. Tailored design and synthesis of heparan sulfate oligosaccharide analogues using sequential one-pot multienzyme (OPME) systems. Angew. Chem. Int. Ed. In press. PMID: 24038939.  doi: 10.1002/anie.201305667.

115. Scobie L, Padler-Karavani V, Le Bas-Bernardet S, Crossan C, Blaha J, Matouskova M, Hector RD, Cozzi E, Vanhove B, Charreau B, Blancho G, Bourdais L, Tallachini M, Ribes JM, Yu H, Chen X, Kracikova J, Broz L, Hejnar J, Vesely P, Takeuchi Y, Varki A, Soulillou J-P. Long-term IgG response to porcine Neu5Gc-antigens without transmission of PERV in burn patients treated with porcine skin xenografts. J. Immunol. 2013, 191, 2907-2915. PMID: 23945141. PMCID: PMC3782708.

114. Li Y, Yu H, Thon V, Chen Y, Muthana MM, Qu J, Hie L, *Chen X. Donor substrate promiscuity of the N-acetylglucosaminyltransferase activities of Pasteurella multocida heparosan synthase 2 (PmHS2) and Escherichia coli K5 KfiA. Appl. Microbiol. Biotechnol. 2013, In press. PMID: 23661084. DOI 10.1007/s00253-013-4947-1

113. Deng L, Chen X, *Varki A. Exploration of sialic acid diversity and biology using sialoglycan microarrays. Biopolymers: 50th anniversary issue: glycoscience. Biopolymers 2013, 99, 650-665. DOI: 10.1002/bip.22314. PMID: 23765393.

112. Ma X, Liu P, Yan H, Sun H, Liu X, Zhou F, Li L, Chen Y, Muthana MM, Chen X, Wang PG, *Zhang L. Substrate specificity provides insights into the sugar donor recognition mechanism of O-GlcNAc transferase (OGT). PLoS One. 2013, 8, e63452. PMID: 23700425. PMCID: PMC3660302. doi: 10.1371/journal.pone.0063452

111. Kikkeri R, Padler-Karavani V, Diaz S, Verhagen A, Yu H, Cao H, Langereis MA, De Groot RJ, Chen X, *Varki A. Quantum dot nanometal surface energy transfer biosensing of sialic acid compositions and linkages in biological samples. Ana. Chem. 2013, 85, 3864-3870. PMID: 23489180. http://dx.doi.org/10.1021/ac400320n

110. Malekan H, Fung G, Thon V, Khedri Z, Yu H, Qu J, Li Y, Ding L, Lam KS, *Chen X. One-pot multi-enzyme (OPME) chemoenzymatic synthesis of sialyl-Tn-MUC1 and sialyl-T-MUC1 glycopeptides containing natural or non-natural sialic acid. Bioorg. Med. Chem. 2013, 21, 4778-4785. PMID: 23535562. PMCID: PMC3722252. DOI:10.1016/j.bmc.2013.02.040.

109. Padler-Karavani V, Tremoulet A, Yu H, Chen X, Burns JC, *Varki A. A simple method for assessment of human anti-Neu5Gc antibodies applied to Kawasaki Disease. PLoS One 2013, 8, e58443. PMID: 23520510. PMCID: PMC3592828. DOI: 10.1371/journal.pone.0058443.

108. Yan J, Chen X, Wang F, *Cao H. Chemoenzymatic synthesis of mono- and di-fluorinated Thomsen-Friedenreich (T) antigens and their sialylated derivatives. Org. Biomol. Chem. 2013, 11, 842-848. PMID: 23241945. PMCID: PMC3616747. DOI: 10.1039/C2OB26989A

107. Shao D, Atungulu GG, Pan Z, Yue T, Zhang A, Chen X. Separation methods and chemical nutritional characteristics of tomato pomace. Transactions of the ASABE (Am. Soc. Agricultural Biological Engineers) 2013, 56, 261-268.