Recognition properties of cucurbit[7]uril self-assembled monolayers studied with force spectroscopy.
作者： Alberto Gomez-Casado , Pascal Jonkheijm , Jurriaan Huskens
DOI: 10.1021/LA202346R
关键词:
摘要: Specific (host–guest) and unspecific (substrate–guest) interactions between self-assembled monolayers of cucurbit[7]uril (CB[7]) on gold (Au) substrates neutral adamantyl (Ad) guests were resolved by studying these at the single molecule level using dynamic force spectroscopy. The dissociation rate constants Ad–Au Ad–CB[7] 0.3 s–1 0.03 s–1, respectively, indicating that specific binding is more stable. probability observing a interaction (40 ± 9%) similar to reported surface coverages CB[7] Au substrates. higher strength stability explains why, although presenting an imperfect coverage, CB[n] can be used successfully as platform for immobilization.
acs.org
utwente.nl
narcis.nl参考文章(37)
Chao Gu, Andrea Kirkpatrick, Chad Ray, Senli Guo, Boris B. Akhremitchev, Effects of Multiple-Bond Ruptures in Force Spectroscopy Measurements of Interactions between Fullerene C60 Molecules in Water Journal of Physical Chemistry C. ,vol. 112, pp. 5085- 5092 ,(2008) , 10.1021/JP709593C
Jacqui F Young, Hoang D Nguyen, Lanti Yang, Jurriaan Huskens, Pascal Jonkheijm, Luc Brunsveld, None, Strong and Reversible Monovalent Supramolecular Protein Immobilization ChemBioChem. ,vol. 11, pp. 180- 183 ,(2010) , 10.1002/CBIC.200900599
Tung-Chun Lee, Oren A. Scherman, Formation of dynamic aggregates in water by cucurbit[5]uril capped with gold nanoparticles. Chemical Communications. ,vol. 46, pp. 2438- 2440 ,(2010) , 10.1039/B925051D
Qi An, Guangtao Li, Chengan Tao, Yan Li, Yiguang Wu, Weixia Zhang, A general and efficient method to form self-assembled cucurbit[n]uril monolayers on gold surfaces Chemical Communications. pp. 1989- 1991 ,(2008) , 10.1039/B719927A
M. Raible, M. Evstigneev, F.W. Bartels, R. Eckel, M. Nguyen-Duong, R. Merkel, R. Ros, D. Anselmetti, P. Reimann, Theoretical Analysis of Single-Molecule Force Spectroscopy Experiments: Heterogeneity of Chemical Bonds Biophysical Journal. ,vol. 90, pp. 3851- 3864 ,(2006) , 10.1529/BIOPHYSJ.105.077099
Jeffrey L. Hutter, John Bechhoefer, Calibration of atomic‐force microscope tips Review of Scientific Instruments. ,vol. 64, pp. 1868- 1873 ,(1993) , 10.1063/1.1143970
Michael K. Gilson, Stress Analysis at the Molecular Level: A Forced Cucurbituril-Guest Dissociation Pathway Journal of Chemical Theory and Computation. ,vol. 6, pp. 637- 646 ,(2010) , 10.1021/CT900668K
Minna Cao, Jingxiang Lin, Hongxun Yang, Rong Cao, Facile synthesis of palladium nanoparticles with high chemical activity using cucurbit[6]uril as protecting agent Chemical Communications. ,vol. 46, pp. 5088- 5090 ,(2010) , 10.1039/C0CC00541J
E. Evans, K. Ritchie, Dynamic strength of molecular adhesion bonds. Biophysical Journal. ,vol. 72, pp. 1541- 1555 ,(1997) , 10.1016/S0006-3495(97)78802-7
Chad Ray, Jason R. Brown, Boris B. Akhremitchev, Correction of systematic errors in single-molecule force spectroscopy with polymeric tethers by atomic force microscopy. Journal of Physical Chemistry B. ,vol. 111, pp. 1963- 1974 ,(2007) , 10.1021/JP065530H