Glycan array on aluminum oxide-coated glass slides through phosphonate chemistry

Shih Huang Chang, Jeng Liang Han, Susan Y. Tseng, Hsin Yu Lee, Chin Wei Lin, Yu Chen Lin, Wen-Yih Jeng, Andrew H.J. Wang, Chung Yi Wu, Chi Huey Wong

Research output: Contribution to journalArticle

46 Citations (Scopus)

Abstract

A new type of glycan array covalently or noncovalently attached to aluminum oxide-coated glass (ACG) slides has been developed for studies of enzymatic reactions and protein binding. To prepare the noncovalent array, glycans with a polyfluorinated hydrocarbon (-C8F17) tail are spotted robotically onto the ACG slide surface containing a layer of polyfluorinated hydrocarbon terminated with phosphonate. After incubation and washing, the noncovalent array can be characterized by MS-TOF via ionization/desorption at a low laser energy without addition of matrix. A representive cellotetraose array was developed to study the activity and specificity of different cellulases and to differentiate the exo-and endoglucanase activities. To prepare the covalent array, glycans with a phosphonic acid tail were synthesized and spotted robotically onto the ACG slide surface. After incubation, the slides can be used directly for quantitative protein binding analysis. Compared to the preparation of glycan arrays on glass slides and other surfaces, this method of arraying using phosphonic acid reacting with ACG is more direct, convenient, and effective and represents a new platform for the high-throughput analysis of protein-glycan interactions.

Original languageEnglish
Pages (from-to)13371-13380
Number of pages10
JournalJournal of the American Chemical Society
Volume132
Issue number38
DOIs
Publication statusPublished - 2010 Sep 29

Fingerprint

Organophosphonates
Aluminum Oxide
Glass
Polysaccharides
Aluminum
Oxides
Hydrocarbons
Protein Binding
Cellulases
Acids
Cellulase
Washing
Ionization
Desorption
Lasers
Throughput
Proteins

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

Cite this

Chang, S. H., Han, J. L., Tseng, S. Y., Lee, H. Y., Lin, C. W., Lin, Y. C., ... Wong, C. H. (2010). Glycan array on aluminum oxide-coated glass slides through phosphonate chemistry. Journal of the American Chemical Society, 132(38), 13371-13380. https://doi.org/10.1021/ja1046523
Chang, Shih Huang ; Han, Jeng Liang ; Tseng, Susan Y. ; Lee, Hsin Yu ; Lin, Chin Wei ; Lin, Yu Chen ; Jeng, Wen-Yih ; Wang, Andrew H.J. ; Wu, Chung Yi ; Wong, Chi Huey. / Glycan array on aluminum oxide-coated glass slides through phosphonate chemistry. In: Journal of the American Chemical Society. 2010 ; Vol. 132, No. 38. pp. 13371-13380.
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Chang, SH, Han, JL, Tseng, SY, Lee, HY, Lin, CW, Lin, YC, Jeng, W-Y, Wang, AHJ, Wu, CY & Wong, CH 2010, 'Glycan array on aluminum oxide-coated glass slides through phosphonate chemistry', Journal of the American Chemical Society, vol. 132, no. 38, pp. 13371-13380. https://doi.org/10.1021/ja1046523

Glycan array on aluminum oxide-coated glass slides through phosphonate chemistry. / Chang, Shih Huang; Han, Jeng Liang; Tseng, Susan Y.; Lee, Hsin Yu; Lin, Chin Wei; Lin, Yu Chen; Jeng, Wen-Yih; Wang, Andrew H.J.; Wu, Chung Yi; Wong, Chi Huey.

In: Journal of the American Chemical Society, Vol. 132, No. 38, 29.09.2010, p. 13371-13380.

Research output: Contribution to journalArticle

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AU - Wong, Chi Huey

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