Kevin D Belfield

Summary

Affiliation: University of Central Florida
Country: USA

Publications

  1. ncbi request reprint Excited-state absorption and anisotropy properties of two-photon absorbing fluorene derivatives
    Kevin D Belfield
    Department of Chemistry and College of Optics and Photonics, Center for Research and Education in Optics and Lasers and Florida Photonics Center of Excellence, University of Central Florida, Orlando, Florida 32816 2366, USA
    Appl Opt 44:7232-8. 2005
  2. doi request reprint Efficient photochromic transformation of a new fluorenyl diarylethene: one- and two-photon absorption spectroscopy
    Gheorghe Luchita
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, Florida 32816, United States
    ACS Appl Mater Interfaces 3:3559-67. 2011
  3. pmc A series of fluorene-based two-photon absorbing molecules: synthesis, linear and nonlinear characterization, and bioimaging
    Carolina D Andrade
    Department of Chemistry, University of Central Florida, Orlando, Florida 32816, USA
    J Org Chem 75:3975-82. 2010
  4. pmc New two-photon-absorbing probe with efficient superfluorescent properties
    Kevin D Belfield
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, USA
    J Phys Chem B 114:14087-95. 2010
  5. doi request reprint Superfluorescent squaraine with efficient two-photon absorption and high photostability
    Kevin D Belfield
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, FL 32816 2366 USA CREOL, The College of Optics and Photonics, University of Central Florida, P O Box 162366, Orlando, Fl 32816 2366 USA
    Chemphyschem 14:3532-42. 2013
  6. pmc Two-photon absorption and time-resolved stimulated emission depletion spectroscopy of a new fluorenyl derivative
    Kevin D Belfield
    Department of Chemistry, University of Central Florida, Orlando, FL 32816 2366, USA
    Chemphyschem 13:3481-91. 2012
  7. pmc Two-photon STED spectral determination for a new V-shaped organic fluorescent probe with efficient two-photon absorption
    Kevin D Belfield
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, FL 32816 2366, USA
    Chemphyschem 12:2755-62. 2011
  8. doi request reprint A superfluorescent fluorenyl probe with efficient two-photon absorption
    Kevin D Belfield
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, FL 32816 2366, USA
    Phys Chem Chem Phys 13:4303-10. 2011
  9. doi request reprint Linear and nonlinear photophysics and bioimaging of an integrin-targeting water-soluble fluorenyl probe
    Alma R Morales
    Department of Chemistry, University of Central Florida, Orlando, FL 32816 2366, USA
    Org Biomol Chem 8:2600-8. 2010
  10. pmc High-fidelity hydrophilic probe for two-photon fluorescence lysosomal imaging
    Xuhua Wang
    Department of ChemistryUniversity of Central Florida, Orlando, Florida 32816, USA
    J Am Chem Soc 132:12237-9. 2010

Collaborators

  • Luis Rodriguez
  • Jin Yu
  • Maher A Qaddoura
  • S Yao
  • Joel M Hales
  • Rémy Passier
  • Alma R Morales
  • Mykhailo V Bondar
  • Xiling Yue
  • Ciceron O Yanez
  • Hyo Yang Ahn
  • Yuanwei Zhang
  • Xuhua Wang
  • Bosung Kim
  • Adam W Woodward
  • Binglin Sui
  • Carolina D Andrade
  • Florencio E Hernandez
  • Andrew Frazer
  • Masanobu Komatsu
  • Sanchita Biswas
  • Olga V Przhonska
  • Takeo Urakami
  • Katherine J Schafer-Hales
  • Gheorghe Luchita
  • Dao M Nguyen
  • Adam I Marcus
  • Ebrahim H Ghazvini Zadeh
  • Alaa A Fadhel
  • Mengyuan Wang
  • Simon Tang
  • Ivan A Mikhailov
  • Carlos Diaz
  • Ion Cohanoschi
  • Ryuichi Tsuchikawa
  • Carlo Toro
  • Leonardo De Boni
  • Carlos Toro
  • Stephen J Andrasik
  • Grace W Githaiga
  • Junko Sawada
  • Zach Armijo
  • Xuan Liu
  • Kevan King
  • Andres D Campiglia
  • Evgheni V Jucov
  • Anthony F Moore
  • Tatiana V Timofeeva
  • Taihong Liu
  • Tero A H Järvinen
  • Hyo Yang Ahn-White
  • Alexandr Fonari
  • Tatiana Timofeeva
  • Paul Tongwa
  • Benjamin J Morrow
  • Vanessa Lussini
  • Alma Morales
  • Steven E Bottle
  • Supriyo Ray
  • Kathryn E Fairfull-Smith
  • Sabrina A Coombs
  • ARTEM E MASUNOV
  • Masa Ishigami
  • Curtesa L Arnett
  • Lifu Zhang
  • Rania Bassiouni
  • Mikhailo V Bondar
  • James P Ritchie
  • Amel Barbot
  • Pappachan E Kolattukudy
  • Peter K Frederiksen
  • Katherine J Schafer
  • Mihaela Balu

Detail Information

Publications58

  1. ncbi request reprint Excited-state absorption and anisotropy properties of two-photon absorbing fluorene derivatives
    Kevin D Belfield
    Department of Chemistry and College of Optics and Photonics, Center for Research and Education in Optics and Lasers and Florida Photonics Center of Excellence, University of Central Florida, Orlando, Florida 32816 2366, USA
    Appl Opt 44:7232-8. 2005
    ..The spectral positions and alignment of various electronic transitions of derivatives 1-4 were estimated from their excited-state absorption and anisotropy spectra...
  2. doi request reprint Efficient photochromic transformation of a new fluorenyl diarylethene: one- and two-photon absorption spectroscopy
    Gheorghe Luchita
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, Florida 32816, United States
    ACS Appl Mater Interfaces 3:3559-67. 2011
    ..The potential of 1 for application in optical data storage was shown using poly(methyl methacrylate)-doped films and two-photon fluorescence microscopy readout...
  3. pmc A series of fluorene-based two-photon absorbing molecules: synthesis, linear and nonlinear characterization, and bioimaging
    Carolina D Andrade
    Department of Chemistry, University of Central Florida, Orlando, Florida 32816, USA
    J Org Chem 75:3975-82. 2010
    ....
  4. pmc New two-photon-absorbing probe with efficient superfluorescent properties
    Kevin D Belfield
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, USA
    J Phys Chem B 114:14087-95. 2010
    ..An amplification of the stimulated emission of 1 was demonstrated in organic solvents and thin polystyrene films, which potentially can be used for the development of new fluorescent labels with increased spectral brightness...
  5. doi request reprint Superfluorescent squaraine with efficient two-photon absorption and high photostability
    Kevin D Belfield
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, FL 32816 2366 USA CREOL, The College of Optics and Photonics, University of Central Florida, P O Box 162366, Orlando, Fl 32816 2366 USA
    Chemphyschem 14:3532-42. 2013
    ..The quantum chemical study of 1 revealed the simulated vibronic nature of the 1PA and 2PA spectra were in good agreement with experimental data; this may provide the ability to predict potential advanced photonic materials...
  6. pmc Two-photon absorption and time-resolved stimulated emission depletion spectroscopy of a new fluorenyl derivative
    Kevin D Belfield
    Department of Chemistry, University of Central Florida, Orlando, FL 32816 2366, USA
    Chemphyschem 13:3481-91. 2012
    ..An effective application of 1 in fluorescence bioimaging was demonstrated by means of one- and two-photon fluorescence microscopy images of HCT 116 cells containing dye encapsulated micelles...
  7. pmc Two-photon STED spectral determination for a new V-shaped organic fluorescent probe with efficient two-photon absorption
    Kevin D Belfield
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, FL 32816 2366, USA
    Chemphyschem 12:2755-62. 2011
    ..A potential application of 1 in bioimaging was demonstrated through one- and two-photon fluorescence microscopy images of HCT 116 cells incubated with micelle-encapsulated dye...
  8. doi request reprint A superfluorescent fluorenyl probe with efficient two-photon absorption
    Kevin D Belfield
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, FL 32816 2366, USA
    Phys Chem Chem Phys 13:4303-10. 2011
    ..The potential use of 1 in bioimaging was demonstrated via one- and two-photon in vitro fluorescence imaging of HCT 116 cells...
  9. doi request reprint Linear and nonlinear photophysics and bioimaging of an integrin-targeting water-soluble fluorenyl probe
    Alma R Morales
    Department of Chemistry, University of Central Florida, Orlando, FL 32816 2366, USA
    Org Biomol Chem 8:2600-8. 2010
    ....
  10. pmc High-fidelity hydrophilic probe for two-photon fluorescence lysosomal imaging
    Xuhua Wang
    Department of ChemistryUniversity of Central Florida, Orlando, Florida 32816, USA
    J Am Chem Soc 132:12237-9. 2010
    ..2PFM was used to demonstrate lysosomal tracking with LT1...
  11. ncbi request reprint Singlet oxygen quantum yield determination for a fluorene-based two-photon photosensitizer
    Kevin D Belfield
    Department of Chemistry and College of Optics and Photonics, CREOL and FPCE, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, USA
    J Fluoresc 16:111-7. 2006
    ..4 +/- 0.1, and had a two-photon absorption cross-section of 28 +/- 5 GM. Thus, 1 may have potential for use as a two-photon PS in the near-IR spectral region for biomedical applications...
  12. ncbi request reprint One- and two-photon singlet oxygen generation with new fluorene-based photosensitizers
    Stephen J Andrasik
    Department of Chemistry and CREOL, College of Optics and Photonics, University of Central Florida, P O Box 162366, Orlando, FL 32816 2366, USA
    Chemphyschem 8:399-404. 2007
    ....
  13. ncbi request reprint Two-photon photochromism of a diarylethene enhanced by Förster resonance energy transfer from two-photon absorbing fluorenes
    Kevin D Belfield
    Department of Chemistry, ollege of Optics and Photonics, CREOL and FPCE, University of Central Florida, 4000 Central Florida Blvd, Orlando, FL 32816, USA
    Chemphyschem 7:2514-9. 2006
    ..Quite significantly, up to a two-fold enhancement in the velocity of the photochromic transformation of 1, in the presence of two-photon absorbing fluorene derivatives, is demonstrated...
  14. pmc Bovine serum albumin nanoparticles with fluorogenic near-IR-emitting squaraine dyes
    Yuanwei Zhang
    Department of Chemistry and CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816 2366, United States
    ACS Appl Mater Interfaces 5:8710-7. 2013
    ..This strategy ovecomes the generally low fluorescence emission of SQ dyes in water and aggregation-reduced fluorescence, providing a versatile strategy for sensing and imaging in biological environments. ..
  15. ncbi request reprint Two-photon absorption cross section determination for fluorene derivatives: analysis of the methodology and elucidation of the origin of the absorption processes
    Kevin D Belfield
    Department of Chemistry and CREOL, College of Optics and Photonics, University of Central Florida, PO Box 162366, Orlando, Florida 32816 2366, USA
    J Phys Chem B 111:12723-9. 2007
    ..Excitation anisotropy spectra, measured to investigate the nature of the observed linear and nonlinear absorption bands, are presented and provide insight into the 2PA process...
  16. pmc Fluorene-based metal-ion sensing probe with high sensitivity to Zn2+ and efficient two-photon absorption
    Kevin D Belfield
    Department of Chemistry, University of Central Florida, Orlando, Florida 32816, USA
    J Phys Chem B 114:9313-21. 2010
    ....
  17. doi request reprint Two-photon fluorescence lysosomal bioimaging with a micelle-encapsulated fluorescent probe
    Carolina D Andrade
    Department of Chemistry, University of Central Florida, 4000 Central Florida Boulevard, Orlando, FL 32816, USA
    J Fluoresc 21:1223-30. 2011
    ..Preparation of dye I was accomplished via microwave-assisted synthesis, resulting in improved yields and reduced reaction times. Photophysical characterization revealed notable 2PA efficiency of this probe...
  18. pmc Biomolecule labeling and imaging with a new fluorenyl two-photon fluorescent probe
    Alma R Morales
    Department of Chemistry, CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, FL 32816 2366, USA
    Bioconjug Chem 20:1992-2000. 2009
    ..The fluorene-IgG conjugate was used to image cell spindles at early mitotic developmental stages...
  19. pmc Small molecule fluorophore and copolymer RGD peptide conjugates for ex vivo two-photon fluorescence tumor vasculature imaging
    Alma R Morales
    University of Central Florida, Department of Chemistry, P O Box 162366, Orlando, FL 32816 2366, USA
    Biomaterials 33:8477-85. 2012
    ..Both the small molecule and polymer-based two-photon absorbing probe conjugate are valuable for deep tissue tumor microvasculature imaging...
  20. pmc Excited state intramolecular proton transfer and photophysics of a new fluorenyl two-photon fluorescent probe
    Alma R Morales
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, FL 32816 2366, USA
    Chemphyschem 10:2073-81. 2009
    ..The potential use of this fluorenyl probe in bioimaging is demonstrated via one- and two-photon fluorescence imaging of COS-7 cells...
  21. pmc Deep vascular imaging in wounds by two-photon fluorescence microscopy
    Ciceron O Yanez
    Department of Chemistry, University of Central Florida, Orlando, Florida, USA
    PLoS ONE 8:e67559. 2013
    ..Biologically crucial events, such as angiogenesis for wound healing, may be illustrated and analyzed in 3D on the whole organ level, providing novel tools for biomedical applications. ..
  22. pmc Two-photon fluorescence vascular bioimaging with new bioconjugate probes selective toward the vascular endothelial growth factor receptor 2
    Carolina D Andrade
    Department of Chemistry, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, United States
    Bioconjug Chem 22:2060-71. 2011
    ....
  23. pmc Donor-acceptor-donor fluorene derivatives for two-photon fluorescence lysosomal imaging
    Sheng Yao
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, USA
    J Org Chem 75:3965-74. 2010
    ..98 colocalization coefficient) relative to commercial Lysotracker Red, making the micelle-encapsulated dyes particularly attractive as fluorescent probes for two-photon fluorescence microscopy lysosomal imaging...
  24. pmc Amine-reactive fluorene probes: synthesis, optical characterization, bioconjugation, and two-photon fluorescence imaging
    Alma R Morales
    Department of Chemistry, The College of Optics and Photonics, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, USA
    Bioconjug Chem 19:2559-67. 2008
    ..Conventional and 2PFM imaging and fluorescence lifetime imaging (FLIM) of HeLa, NT2, and H1299 cells, incubated with two-photon absorbing amine-reactive probe (1), RGDfK-dye conjugate (7), and Reelin-dye conjugate (6), was demonstrated...
  25. ncbi request reprint Mega three-photon absorption cross-section enhancement in pseudoisocyanine J-aggregates
    Ion Cohanoschi
    Department of Chemistry and College of Optics and Photonics, CREOL and FPCE, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, USA
    J Chem Phys 123:231104. 2005
    ..This novel result opens new expectations for applications of supramolecular systems in bioimaging and medicine...
  26. doi request reprint Steady-state and femtosecond transient absorption spectroscopy of new two-photon absorbing fluorene-containing quinolizinium cation membrane probes
    Xiling Yue
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, Florida 32816, United States
    ACS Appl Mater Interfaces 7:2833-46. 2015
    ....
  27. pmc Design, synthesis, and structural and spectroscopic studies of push-pull two-photon absorbing chromophores with acceptor groups of varying strength
    Alma R Morales
    Department of Chemistry, University of Central Florida, Orlando, Florida 32816 2366, USA
    J Org Chem 78:1014-25. 2013
    ..An analogue with the 2-pyran-4-ylidene malononitrile acceptor group exhibited a nearly 3-fold enhancement of the 2PA cross section (1650 GM at 840 nm), relative to other members of the series...
  28. pmc Selective cell death by photochemically induced pH imbalance in cancer cells
    Xiling Yue
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, Florida 32816, USA
    J Am Chem Soc 135:2112-5. 2013
    ..The data suggest that PAGs may be an attractive alternative PDT modality to selectively induce cell death in oxygen-deprived tissue such as tumors...
  29. doi request reprint Structural identification of a novel axially chiral binaphthyl fluorene based salen ligand in solution using electronic circular dichroism: a theoretical-experimental analysis
    Carlos Diaz
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, USA
    J Phys Chem A 116:2453-65. 2012
    ..The first 100 electronic excited states were calculated using the same level of theory and basis set...
  30. pmc Integrin-targeting block copolymer probes for two-photon fluorescence bioimaging
    Sanchita Biswas
    Department of Chemistry, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, USA
    Biomacromolecules 12:441-9. 2011
    ....
  31. ncbi request reprint Nonlinear transmission and excited-state absorption in fluorene derivatives
    Kevin D Belfield
    Department of Chemistry and College of Optics and Photonics, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, USA
    Appl Opt 43:6339-43. 2004
    ..In contrast, a symmetrical fluorene derivative with vinylphenylbenzothiazole substituents in positions 2 and 7 underwent lasing under one-photon excitation by use of picosecond pulsed irradiation...
  32. pmc RGD-conjugated two-photon absorbing near-IR emitting fluorescent probes for tumor vasculature imaging
    Xiling Yue
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, FL 32816, USA
    Org Biomol Chem 13:10716-25. 2015
    ..Cell and tissue images were then acquired and examined, revealing deep penetration and high contrast with the new pyranyl RGD-conjugates up to 350 μm in tumor tissue...
  33. pmc Two-photon absorption enhancement of polymer-templated porphyrin-based J-aggregates
    Sanchita Biswas
    Department of Chemistry, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, USA
    Langmuir 28:1515-22. 2012
    ..10,000 GM, suggesting a prominent role of polymer-templating to facilitate porphyrin aggregation and greatly enhance nonlinear absorption...
  34. pmc Folate receptor-targeted aggregation-enhanced near-IR emitting silica nanoprobe for one-photon in vivo and two-photon ex vivo fluorescence bioimaging
    Xuhua Wang
    Department of Chemistry, University of Central Florida, Orlando, Florida 32816, United States
    Bioconjug Chem 22:1438-50. 2011
    ..Two-photon fluorescence microscopy bioimaging provided three-dimensional (3D) cellular-level resolution imaging up to 350 μm deep in the HeLa tumor...
  35. doi request reprint A Deoxyuridine-Based Far-Red Emitting Viscosity Sensor
    Mengyuan Wang
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, FL 32816, USA
    Molecules 21:. 2016
    ..This suggests that the newly-designed compound, dU-BZ, is capable of functioning as a probe of local microviscosity, an aspect examined by in vitro bioimaging experiments. ..
  36. doi request reprint Two-photon sensitized visible and near-IR luminescence of lanthanide complexes using a fluorene-based donor-π-acceptor diketonate
    Adam W Woodward
    Department of Chemistry, University of Central Florida, Orlando, FL 32816 2366, USA
    Dalton Trans 43:16626-39. 2014
    ..A quadratic relationship was found by varying laser excitation power vs. luminescence intensity of the europium complex, confirming sensitization via two-photon excitation...
  37. doi request reprint Deoxyribonucleoside-modified squaraines as near-IR viscosity sensors
    Yuanwei Zhang
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366 USA
    Chemistry 20:7249-53. 2014
    ..Fluorescence microscopy allowed visualization of highly viscous regions during various stages of cellular mitosis. ..
  38. doi request reprint Controlled aggregation and enhanced two-photon absorption of a water-soluble squaraine dye with a poly(acrylic acid) template
    Yuanwei Zhang
    Department of Chemistry, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, USA
    Langmuir 29:11005-12. 2013
    ..These results suggest a prominent role of polyelectrolyte templated SQ J-aggregation in the enhancement of 2PA efficiency and provide a means of modulating supramolecular assembly. ..
  39. pmc Novel Hydrophilic Bis(1,2,3-triazolyl)fluorenyl Probe for In vitro Zinc Ion Sensing
    Dao M Nguyen
    Department of Chemistry and CREOL, The College of Optics and Photonics, University of Central Florida, 4000 Central Florida Parkway, Orlando, Florida 32816, United States, and Institute of Physics, Prospect Nauki, 46, Kiev 28 03094, Ukraine
    ACS Appl Mater Interfaces 2:2978-81. 2010
    ..In vitro two-photon fluorescence microscopy imaging revealed a significant fluorescence increase upon introduction of Zn(2+) into HeLa cells and reversible Zn(2+) binding, demonstrating the potential of this probe for zinc ion sensing...
  40. ncbi request reprint Thermally controlled preferential molecular aggregation state in a thiacarbocyanine dye
    Rémy Passier
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, USA
    J Chem Phys 133:134508. 2010
    ..The results presented in this work lead to a better understanding of thiacarbocyanine dye's behavior...
  41. ncbi request reprint Photosensitive polymeric materials for two-photon 3D WORM optical data storage systems
    Ciceron O Yanez
    Department of Chemistry, University of Central Florida, Orlando, Florida 32816, USA
    ACS Appl Mater Interfaces 1:2219-29. 2009
    ..Two-photon recording and readout of voxels were demonstrated in five and eight consecutive, crosstalk-free layers within a polymer matrix, generating a data storage capacity of up to 1.8 x 10(13) bits/cm(3)...
  42. pmc One- and two-photon stimulated emission depletion of a sulfonyl-containing fluorene derivative
    Kevin D Belfield
    Department of Chemistry and CREOL, The College of Optics and Photonics, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, USA
    J Phys Chem B 113:7101-6. 2009
    ..The two-photon stimulated emission cross section, delta2PE(lambdaq), of fluorene 1 was estimated to be approximately 240-280 GM, suggesting that this compound may be a good candidate for use in two-photon STED microscopy...
  43. pmc Synthesis, characterization and texture observations of calamitic liquid crystalline compounds
    Maher A Qaddoura
    Department of Chemistry, University of Central Florida, Orlando, 32816 2366, USA
    Int J Mol Sci 10:4772-88. 2009
    ..Structural confirmation of all new derivatives was accomplished by (1)H- and (13)C-NMR spectroscopic analysis, along with CH elemental analysis...
  44. pmc Computer aided chemical design: using quantum chemical calculations to predict properties of a series of halochromic guaiazulene derivatives
    Adam W Woodward
    Department of Chemistry, University of Central Florida, Orlando, FL 32816 2366, USA
    R Soc Open Sci 3:160373. 2016
    ..The protonated forms were readily excitable via two-photon absorption...
  45. doi request reprint Near-IR Two-Photon Fluorescent Sensor for K(+) Imaging in Live Cells
    Binglin Sui
    Department of Chemistry, University of Central Florida, Orlando, Florida 32816, United States
    ACS Appl Mater Interfaces 7:17565-8. 2015
    ..Time-dependent cell imaging studies via both one- and two-photon fluorescence microscopy demonstrate that the sensor is suitable for dynamic K(+) sensing in living cells. ..
  46. pmc Near-infrared-emitting squaraine dyes with high 2PA cross-sections for multiphoton fluorescence imaging
    Hyo Yang Ahn
    Department of Chemistry and CREOL, The College of Optics and Photonics, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, United States
    ACS Appl Mater Interfaces 4:2847-54. 2012
    ....
  47. doi request reprint Highly selective fluorescence turn-on sensor for fluoride detection
    Binglin Sui
    Department of Chemistry, University of Central Florida, Orlando, Florida 32816, USA
    ACS Appl Mater Interfaces 5:2920-3. 2013
    ..Test papers were prepared to detect fluoride in aqueous media at concentrations down to 1.9 ppm, important for estimating whether the fluoride concentration in drinking water is at a safe level...
  48. pmc Two-photon fluorescence microscopy imaging of cellular oxidative stress using profluorescent nitroxides
    Hyo Yang Ahn
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, United States
    J Am Chem Soc 134:4721-30. 2012
    ....
  49. ncbi request reprint A new water-soluble near-neutral ratiometric fluorescent pH indicator
    Sheng Yao
    Department of Chemistry and CREOL, College of Optics and Photonics, University of Central Florida, PO Box 162366, Orlando, Florida 32816 2366, USA
    Org Lett 9:5645-8. 2007
    ..Furthermore, its 2PA cross section of 100 GM in its neutral form suggests its potential in two-photon fluorescence imaging applications...
  50. doi request reprint Photophysical characterization of a highly conjugated bipyridyl-based dye synthesized by a unique two-step approach
    Carlos Toro
    Department of Chemistry, University of Central Florida, Orlando, FL 32816, USA
    J Phys Chem B 112:12185-90. 2008
    ..The optical measurements demonstrate that this dye is a promising candidate for multiphoton fluorescence imaging, optical limiting, and dye lasers...
  51. ncbi request reprint Fluorene-based fluorescent probes with high two-photon action cross-sections for biological multiphoton imaging applications
    Katherine J Schafer-Hales
    University of Central Florida, Department of Chemistry and Burnett College of Biomedical Sciences, 4000 Central Florida Boulevard, Orlando, Florida 32816, USA
    J Biomed Opt 10:051402. 2005
    ....
  52. ncbi request reprint Linear and nonlinear optical characterizations of a monomeric symmetric squaraine-based dye in solution
    Carlo Toro
    Department of Chemistry, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, USA
    J Chem Phys 130:214504. 2009
    ..A detailed analysis of the symmetry and energy of the orbitals involved in the lowest five electronic transitions is presented and discussed in relation to the behavior observed experimentally...
  53. pmc Pegylated and nanoparticle-conjugated sulfonium salt photo triggers necrotic cell death
    Alaa A Fadhel
    Department of Chemistry, University of Central Florida, Orlando, FL, USA
    Int J Nanomedicine 11:6161-6168. 2016
    ....
  54. doi request reprint Novel BODIPY-based fluorescence turn-on sensor for Fe3+ and its bioimaging application in living cells
    Binglin Sui
    Department of Chemistry and CREOL, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, United States
    ACS Appl Mater Interfaces 6:18408-12. 2014
    ..Cell imaging studies demonstrate that this sensor is capable of sensing Fe(3+) in living cells. ..
  55. ncbi request reprint Synthesis and characterization of new fluorene-based singlet oxygen sensitizers
    Kevin D Belfield
    Department of Chemistry and College of Optics and Photonics CREOL and FPCE, University of Central Florida, P O Box 162366, Orlando, Florida 32816 2366, USA
    J Fluoresc 16:105-10. 2006
    ..Phi(Delta) values ranged from 0.35 to 0.75. These derivatives may have potential application as two-photon photosensitizers when pumped via two-photon excitation in the near-IR spectral region...
  56. doi request reprint Femtosecond two-photon absorption measurements based on the accumulative photo-thermal effect and the Rayleigh interferometer
    Luis Rodriguez
    Department of Chemistry, The College of Optics and Photonics, University of Central Florida, PO Box 162366, Orlando, Florida 32816 2366, USA
    Opt Express 17:19617-28. 2009
    ..Significantly, the experimental results demonstrate that this new method can be used with both fluorescent and non-fluorescent samples...
  57. ncbi request reprint Three- and four-photon absorption of a multiphoton absorbing fluorescent probe
    Florencio E Hernandez
    Department of Chemistry and School of Optics Center for Research and Education in Optics and Lasers Florida Photonics Center of Excellence, University of Central Florida, Orlando, Florida 32816 2366, USA
    Appl Opt 43:5394-8. 2004
    ..When pumped at 1200 nm, three-photon absorption was observed, corresponding to the same transition...
  58. ncbi request reprint Photosensitization of carbon nanotubes using dye aggregates
    Ryuichi Tsuchikawa
    Department of Physics and Nanoscience Technology Center, University of Central Florida, Orlando, FL 32816, USA
    J Phys Condens Matter 23:202204. 2011
    ..The sensitivity achieved by aggregate-functionalized nanotube network devices is approximately an order of magnitude better than those of similar nanotube devices functionalized with dye monomers and photoactive polymers...