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Zhao YL, Li Z, Kabehie S, Botros YY, Stoddart JF, Zink JI. pH-Operated Nanopistons on the Surfaces of Mesoporous Silica Nanoparticles. J Am Chem Soc 2010; 132:13016-25. [DOI: 10.1021/ja105371u] [Citation(s) in RCA: 277] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Yan-Li Zhao
- California NanoSystems Institute and Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095, Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, Intel Labs, Building RNB-6-61, 2200 Mission College Boulevard, Santa Clara, California 95054, and National Center for Nano Technology Research, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Kingdom of
| | - Zongxi Li
- California NanoSystems Institute and Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095, Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, Intel Labs, Building RNB-6-61, 2200 Mission College Boulevard, Santa Clara, California 95054, and National Center for Nano Technology Research, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Kingdom of
| | - Sanaz Kabehie
- California NanoSystems Institute and Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095, Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, Intel Labs, Building RNB-6-61, 2200 Mission College Boulevard, Santa Clara, California 95054, and National Center for Nano Technology Research, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Kingdom of
| | - Youssry Y. Botros
- California NanoSystems Institute and Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095, Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, Intel Labs, Building RNB-6-61, 2200 Mission College Boulevard, Santa Clara, California 95054, and National Center for Nano Technology Research, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Kingdom of
| | - J. Fraser Stoddart
- California NanoSystems Institute and Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095, Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, Intel Labs, Building RNB-6-61, 2200 Mission College Boulevard, Santa Clara, California 95054, and National Center for Nano Technology Research, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Kingdom of
| | - Jeffrey I. Zink
- California NanoSystems Institute and Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095, Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, Intel Labs, Building RNB-6-61, 2200 Mission College Boulevard, Santa Clara, California 95054, and National Center for Nano Technology Research, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Kingdom of
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Alvarez-Parrilla E, Ramos Cabrer P, de la Rosa LA, Al-soufi W, Meijide F, Vázquez Tato J. “Three-in-one” Complexes Formed by Anionic Guests and Monosubstituted Cationic Alkyldiamino β-Cyclodextrin Derivatives. Supramol Chem 2010. [DOI: 10.1080/1061027031000078211] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Emilio Alvarez-Parrilla
- a Universidad Autónoma de Ciudad Juárez, Instituto de Ciencias Biomédicas, Depto. de Ciencias Básicas , Anillo envolvente del Pronaf y Estocolmo, s/n. Zona Pronaf Cd. C. P., 32300, Juárez, Mexico
| | - Pedro Ramos Cabrer
- b Universidad de Santiago de Compostela, Depto. de Química Física, Facultad de Ciencias de Lugo, Alfonso X O sabio s/n , 27002, Lugo, Spain
| | - Laura A. de la Rosa
- a Universidad Autónoma de Ciudad Juárez, Instituto de Ciencias Biomédicas, Depto. de Ciencias Básicas , Anillo envolvente del Pronaf y Estocolmo, s/n. Zona Pronaf Cd. C. P., 32300, Juárez, Mexico
| | - Wajih Al-soufi
- b Universidad de Santiago de Compostela, Depto. de Química Física, Facultad de Ciencias de Lugo, Alfonso X O sabio s/n , 27002, Lugo, Spain
| | - F. Meijide
- b Universidad de Santiago de Compostela, Depto. de Química Física, Facultad de Ciencias de Lugo, Alfonso X O sabio s/n , 27002, Lugo, Spain
| | - Jose Vázquez Tato
- b Universidad de Santiago de Compostela, Depto. de Química Física, Facultad de Ciencias de Lugo, Alfonso X O sabio s/n , 27002, Lugo, Spain
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El-Kemary MA, El-Gezawy HS, El-Baradie HY, Issa RM. Spectral and photophysical studies of inclusion complexes of 2-amino-4,6-dimethyl pyrimidine with beta-cyclodextrin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2002; 58:493-500. [PMID: 11905534 DOI: 10.1016/s1386-1425(01)00550-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The interaction of 2-amino-4,6-dimethyl pyrimidine (ADMP) with beta-cyclodextrin (beta-CD) has been studied by means of UV absorption, steady state and time resolved fluorescence techniques. Spectral characteristics, bandwidths and photophysical parameters indicating that ADMP experience two different environments in aqueous solutions: bulk water and 1:1 (ADMP:beta-CD) inclusion complexation. The size restriction of the upper rim of beta-CD partially include ADMP and prevent the possibility of formation of 1:2 complex. The effective polarity of the cyclodextrin cavity experienced by the induced ADMP is equivalent with the polarity of an 80:20 methanol-water mixture.
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Affiliation(s)
- M A El-Kemary
- Chemnistry Department, Faculty of Education, Tanta University, Kafr El-Sheikh, Egypt.
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