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Gupta S, Zhao Y, Varadharajan R, Ramamurthy V. Competitive Binding of Organic Dyes between Cucurbiturils and Octa Acid. ACS OMEGA 2018; 3:5083-5091. [PMID: 31458723 PMCID: PMC6641715 DOI: 10.1021/acsomega.8b00433] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 04/26/2018] [Indexed: 06/10/2023]
Abstract
Employing six cationic water-soluble organic dye molecules as probes, we have attempted to qualitatively understand the factors that govern the attraction between such molecules and the anionic water-soluble host, octa acid (OA). Examination of the competitive host-guest complexation between cucurbit[8]uril (CB[8]) and OA using absorption and emission spectroscopy revealed that the dye molecules included within CB[8] could be "pulled out" by OA. However, an order of magnitude higher concentration of OA was required to shift the equilibrium toward OA, suggesting that attraction between the anionic host OA and the cationic dye molecules such as cresyl violet perchlorate and methylene blue is weaker than the hydrophobic and cation-dipolar interaction between these dye molecules and CB[8]. The importance of Coulombic attraction between OA and dye molecules is also revealed by monomer-to-dimer conversion upon addition of OA to an aqueous solution of monomeric dye molecules. Under conditions where the dye-to-OA ratio is high, freely dissolved monomeric dye molecules are attracted to the exterior of OA and aggregate as dimers on the exterior wall of OA. On the other hand, at high ratios of OA to dye molecules, the dye molecules adsorb as monomers on the exterior of OA. Thus, the monomer-to-dimer ratio in aqueous solution can be controlled by adjusting the ratio of dye to OA molecules. The results presented are of value in qualitatively understanding the relative binding properties of ionic guests with ionic hosts. Studies are qualitative in nature, and further detailed quantitative studies planned for the future are likely to provide deeper understanding of the interaction between water-soluble dye molecules, OA, and CB.
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Maragani R, Thomas MB, Misra R, D’Souza F. C3-Symmetric Positional Isomers of BODIPY Substituted Triazines: Synthesis and Excited State Properties. J Phys Chem A 2018; 122:4829-4837. [DOI: 10.1021/acs.jpca.8b02967] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ramesh Maragani
- Department of Chemistry, Indian Institute of Technology, Indore 453552, India
| | - Michael B. Thomas
- Department of Chemistry, University of North Texas, 1155 Union Circle, #305070, Denton, Texas 76203-5017, United States
| | - Rajneesh Misra
- Department of Chemistry, Indian Institute of Technology, Indore 453552, India
| | - Francis D’Souza
- Department of Chemistry, University of North Texas, 1155 Union Circle, #305070, Denton, Texas 76203-5017, United States
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In Situ Atomic Force Microscopy Studies on Nucleation and Self-Assembly of Biogenic and Bio-Inspired Materials. MINERALS 2017. [DOI: 10.3390/min7090158] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Hovhannisyan V, Dong CY, Chen SJ. Photodynamic dye adsorption and release performance of natural zeolite. Sci Rep 2017; 7:45503. [PMID: 28361968 PMCID: PMC5374542 DOI: 10.1038/srep45503] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 03/01/2017] [Indexed: 12/25/2022] Open
Abstract
Clinoptilolite type of zeolite (CZ) is a promising material for biomedicine and pharmaceutics due to its non-toxicity, thermal stability, expanded surface area, and exceptional ability to adsorb various atoms and organic molecules into micropores. Using multiphoton microscopy, we demonstrated that individual CZ particles produce two-photon excited luminescence and second harmonic generation signal at femtosecond laser excitation, and adsorb photo-dynamically active dyes such as hypericin and methylene blue. Furthermore, the release of hypericin from CZ pores in the presence of biomolecules is shown, and CZ can be considered as an effective material for drug delivery and controlled release in biological systems. The results may open new perspectives in application of CZ in biomedical imaging, and introducing of the optical approaches into the clinical environment.
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Affiliation(s)
- Vladimir Hovhannisyan
- College of Photonics, National Chiao Tung University, Tainan 711, Taiwan.,Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - Chen-Yuan Dong
- Department of Physics, National Taiwan University, Taipei 10617, Taiwan
| | - Shean-Jen Chen
- College of Photonics, National Chiao Tung University, Tainan 711, Taiwan.,Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan 701, Taiwan
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Affiliation(s)
- Chetan K. Modi
- Department of Applied Chemistry, Faculty of Technology & Engineering, The Maharaja Sayajirao University of Baroda, Vadodara, India
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Ziessel R, Harriman A. Artificial light-harvesting antennae: electronic energy transfer by way of molecular funnels. Chem Commun (Camb) 2011; 47:611-31. [DOI: 10.1039/c0cc02687e] [Citation(s) in RCA: 342] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Puntoriero F, Nastasi F, Campagna S, Bura T, Ziessel R. Vectorial Photoinduced Energy Transfer Between Boron-Dipyrromethene (Bodipy) Chromophores Across a Fluorene Bridge. Chemistry 2010; 16:8832-45. [DOI: 10.1002/chem.201000466] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Effect of Method on Monolayer Assembly of Zeolite Microcrystals on Glass with Molecular Linkages. Top Catal 2009. [DOI: 10.1007/s11244-008-9148-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Harriman A, Mallon L, Ziessel R. Energy Flow in a Purpose-Built Cascade Molecule Bearing Three Distinct Chromophores Attached to the Terminal Acceptor. Chemistry 2008; 14:11461-73. [DOI: 10.1002/chem.200801384] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Calzaferri G, Lutkouskaya K. Mimicking the antenna system of green plants. Photochem Photobiol Sci 2008; 7:879-910. [DOI: 10.1039/b804682b] [Citation(s) in RCA: 135] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Vásquez SO. A theoretical study of conformational aspects and energy transfer between terthiophene and quinquethiophene in perhydrotriphenylene inclusion compounds. Phys Chem Chem Phys 2008; 10:5459-68. [DOI: 10.1039/b805084h] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Lee JS, Kim JH, Lee YJ, Jeong NC, Yoon KB. Manual assembly of microcrystal monolayers on substrates. Angew Chem Int Ed Engl 2007; 46:3087-90. [PMID: 17330910 DOI: 10.1002/anie.200604367] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jin Seok Lee
- Center for Microcrystal Assembly, Department of Chemistry and Program of Integrated Biotechnology, Sogang University, Seoul 121-742, Korea
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Lee J, Kim J, Lee Y, Jeong N, Yoon K. Manual Assembly of Microcrystal Monolayers on Substrates. Angew Chem Int Ed Engl 2007. [DOI: 10.1002/ange.200604367] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Abstract
This Account summarizes various methods of organizing zeolite microcrystals into two-dimensional functional entities such as monolayers, multilayers, and patterned monolayers on various substrates and three-dimensional functional entities such as microballs and protein-zeolite composite fibrils. In the case of monolayer assembly, various types of linkages and substrates, factors that govern the rate, degree of coverage, degree of close packing, degree of uniform orientation, and average binding strength between each crystal and the substrate are described. The current and future applications of the organized products are also discussed.
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Affiliation(s)
- Kyung Byung Yoon
- Center for Microcrystal Assembly, Department of Chemistry, and Program of Integrated Biotechnology, Sogang University, Seoul 121-742, Korea
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Lee JS, Lim H, Ha K, Cheong H, Yoon KB. Facile Monolayer Assembly of Fluorophore-Containing Zeolite Rods in Uniform Orientations for Anisotropic Photoluminescence. Angew Chem Int Ed Engl 2006. [DOI: 10.1002/ange.200600075] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Lee JS, Lim H, Ha K, Cheong H, Yoon KB. Facile Monolayer Assembly of Fluorophore-Containing Zeolite Rods in Uniform Orientations for Anisotropic Photoluminescence. Angew Chem Int Ed Engl 2006; 45:5288-92. [PMID: 16835856 DOI: 10.1002/anie.200600075] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jin Seok Lee
- Center for Microcrystal Assembly, Department of Chemistry and Program of Integrated Biotechnology, Sogang University, Seoul 121-742, Korea
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Lutkouskaya K, Calzaferri G. Transfer of Electronic Excitation Energy between Randomly Mixed Dye Molecules in the Channels of Zeolite L. J Phys Chem B 2006; 110:5633-8. [PMID: 16539507 DOI: 10.1021/jp056296i] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Host-guest materials containing strongly fluorescent donor and acceptor molecules have been prepared. Fine-tuning of the donor to acceptor distance in this material allows beautiful visible and quantitative observation of electronic excitation energy transfer phenomena. Oxonine and pyronine have been used as guest molecules and zeolite L as host. The dyes have been inserted by ion exchange. Stationary state and time-resolved experiments have been carried out with zeolite crystals of 300 and 700 nm size in the dye concentration range of 10(-4) mol/L up to 0.042 mol/L. The fluorescence decay of the donor and the pumping of the acceptor via energy transfer, which can be well observed, became faster with increasing loading. The behavior of the system follows requirements expected for Förster energy transfer material.
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Affiliation(s)
- Katsiaryna Lutkouskaya
- Department of Chemistry and Biochemistry, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland
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