74.Jeffrey J. Lange, Maryanne M. Collinson, Christopher T. Culbertson and Daniel A. Higgins "Single Molecule Studies of Oligomer Extraction and Uptake of Dyes in Poly(dimethylsiloxane) Films", Anal. Chem., submitted.

73.Thomas A. Everett and Daniel A. Higgins "Electrostatic Self-Assembly of Ordered Perylene-Diimide/Polyelectrolyte Nanofibers in Fluidic Devices: from Nematic Domains to Macroscopic Alignment", Langmuir, submitted.

72.Kurt W. Hoeman, Jeffrey J. Lange, Gregory T. Roman, Daniel A. Higgins and Christopher T. Culbertson "Electrokinetic Trapping Using Titania Nanoporous Membranes Fabricated Using Sol-Gel Chemistry on Microfluidic Devices", Electrophoresis, in press.

71.Corey R. Weitzel, Thomas A. Everett and Daniel A. Higgins "Aggregation and its Influence on Macroscopic In-Plane Organization in Thin Films of Electrostatically Self-Assembled Perylene-Diimide/Polyelectrolyte Nanofibers", Langmuir, 2009, 25, 1188-1195.

70.Jeffrey J. Lange, Christopher T. Culbertson and Daniel A. Higgins "Single Molecule Studies of Solvent-Dependent Diffusion and Entrapment in Poly(dimethylsiloxane) Thin Films", Anal. Chem., 2008, 80, 9726-9734.

69.Fangmao Ye, Maryanne M. Collinson and Daniel A. Higgins "What Can Be Learned from Single Molecule Spectroscopy? Applications to Sol-Gel-Derived Silica Materials", PCCP, 2009, 11, 66-82.

68.Xiao Yao, Takashi Ito and Daniel A. Higgins "Grayscale Patterning of Polymer Thin Films with Nanometer Precision by Direct-Write Multiphoton Photolithography", Langmuir, 2008, 24, 8939-8943.

67.Hanjiang Dong, Fangmao Ye, Daniel A. Higgins and Maryanne M. Collinson "Following the Growth Process in Macroporous Methylsilsesquioxane Films at the Single Pore Level by Confocal Correlation Spectroscopy", Chem. Mater., 2007, 19, 6528.

66.Maryanne M. Collinson, Daniel A. Higgins, Roshna Kommidi and Debbie Campbell-Rance "Electrodeposited Silicate Films: Importance of Supporting Electrolyte", Anal. Chem., 2008, 80, 651.

65.Shaida Ibrahim, Daniel A. Higgins and Takashi Ito "Direct-Write Multiphoton Photolithography: A Systematic Study of the Etching Behaviors in Various Commercial Polymers", Langmuir, 2007, 23, 12406.

64.Fangmao Ye, Maryanne M. Collinson and Daniel A. Higgins "Molecular Orientation and its Influence on Autocorrelation Amplitudes in Single Molecule Imaging Experiments", Anal. Chem., 2007, 79, 6465.

63.Fangmao Ye, Daniel A. Higgins and Maryanne M. Collinson "Probing Chemical Interactions at the Single Molecule Level in Mesoporous Silica Thin Films ", J. Phys. Chem. C, 2007, 111, 6772.

62.Thomas A. Everett, Amy A. Twite, Aifang Xie, Srinivas K. Battina, Duy H. Hua and Daniel A. Higgins "Preparation and Characterization of Nanofibrous Perylene-Diimide-Polyelectrolyte Composite Thin Films ", Chem. Mater., 2006, 18, 5937.

61.Aifang Xie, Takashi Ito and Daniel A. Higgins "Fabrication and Characterization of Polymer/Liquid-Crystal Composite Diffractive Optics by Multiphoton Methods", Adv. Funct. Mater., 2007, 17, 1515.

60.Daniel A. Higgins, Thomas A. Everett, Aifang Xie, Sarah M. Forman and Takashi Ito "High-Resolution Direct-Write Multiphoton Photolithography in Poly(methylmethacrylate) Films", Appl. Phys. Lett., 2006, 88, 184101.

59.A. Meredith Smythe and Daniel A. Higgins "(Role) Playing Politics in an Environmental Chemistry Lecture Course", J. Chem. Educ., 2007, 84, 241.

58.Yi Fu, Fangmao Ye, William G. Sanders, Maryanne M. Collinson and Daniel A. Higgins "Single Molecule Spectroscopy Studies of Diffusion in Mesoporous Silica Thin Films", J. Phys. Chem. B,2006, 110, 9164.

57.Aifang Xie, Gregory T. Roman, Christopher T. Culbertson and Daniel A. Higgins "Optical Microscopy Studies of Polymer/Liquid-Crystal Diffractive Optics", Proc. SPIE., 2006, 6135, 24.

56.Jana Striova, Daniel A. Higgins and Maryanne M. Collinson "Phase Separation in Organically Modified Silicate Films as Probed by Phase-Imaging Atomic Force Microscopy", Langmuir, 2005, 21, 6137.

55.Daniel A. Higgins and Maryanne M. Collinson "Gaining Insight into the Nanoscale Properties of Sol-Gel-Derived Silicate Thin Films by Single Molecule Spectroscopy", Langmuir Invited Feature Article, 2005, 21, 9023.

54.Aifang Xie, Bei Liu, Jeffrey E. Hall, Sarah L. Barron and Daniel A. Higgins "Self-Assembled Photoactive Polyelectrolyte/Perylene-Diimide Composites", Langmuir, 2005, 21, 4149.

53.Daniel A. Higgins, Jeffrey E. Hall and Aifang Xie "Optical Microscopy Studies of Dynamics within Individual Polymer-Dispersed Liquid Crystal Droplets", Acc. Chem. Res., 2005, 38, 137.

52.Skylar A. Martin-Brown, Yi Fu, Ginagunta Saroja, Maryanne M. Collinson and Daniel A. Higgins "Single Molecule Studies of Diffusion by Oligomer-Bound Dyes in Organically-Modified Sol-Gel-Derived Silicate Films", Anal. Chem., 2005, 77, 486.

51.Jeffrey E. Hall and Daniel A. Higgins "Enhanced Photorefractivity from Ion-Doped Polymer-Dispersed Liquid Crystals", J. Phys. Chem. B, 2004, 108, 16050.

50.Yi Fu, Maryanne M. Collinson and Daniel A. Higgins "Single Molecule Spectroscopy Studies of Microenvironmental Acidity in Silicate Thin Films", J. Am. Chem. Soc., 2004, 126, 13838.

49.Jeffrey E. Hall and Daniel A. Higgins "Exploring Dynamics in Photorefractive Polymer-Dispersed Liquid Crystals Using Near-Field Scanning Optical Microscopy", Applications of Scanned Probe Microscopy to Polymers ACS Symposium Series, J. D. Batteas, C. A. Michaels, G. C. Walker, eds., 2005, 897, 25.

48. Aifang Xie and Daniel A. Higgins "Electric-Field-Induced Dynamics in Radial Liquid Crystal Droplets Studied by Multiphoton-Excited Fluorescence Microscopy: Interfacial Effects and Metastable Configurations", Appl. Phys. Lett., 2004, 84, 4014.

47. David L. Wetzel, Jana Striova, Daniel A. Higgins and Maryanne M. Collinson "Synchrotron Infrared Microspectroscopy Reveals Localized Heterogeneities in an Organically Modified Silicate Film", Vibrational Spectroscopy, 2004, 35, 153.

46. Jeffrey E. Hall and Daniel A. Higgins "Exploring the Photorefractive Effect in Polymer-Dispersed Liquid Crystals using Near-Field Scanning Optical Microscopy", J. Phys. Chem. B, 2003, 107, 14211.

45. Daniel A. Higgins and Brenda J. Luther, "Watching Molecules Reorient in Liquid Crystal Droplets with Multiphoton-Excited Fluorescence Microscopy", J. Chem. Phys., 2003, 119, 3935.

44. Jeffrey E. Hall and Daniel A. Higgins, "Photorefractive Polymer-Dispersed Liquid Crystals Studied by Near-Field Scanning Optical Microscopy", Polymeric Materials Science and Engineering, 2003, 88, 186.

43. Daniel A. Higgins, "Optics Up Close and Personal", Nature Materials, 2002, 1, 83.

42. Daniel A. Higgins and Yanwen Hou, "Single Molecule Spectroscopy Used to Characterize Nanoscale Materials", Encyclopedia of Nanoscience and Nanotechnology, Marcel Dekker, 2004, p. 3575.

41. Yanwen Hou and Daniel A. Higgins, "Single Molecule Studies of Dynamics in Polymer Films and at Surfaces: Effect of Ambient Relative Humidity", J. Phys. Chem. B, 2002, 106, 10306.

40. Daniel A. Higgins, Maryanne M. Collinson, Gingunta Saroja and Angela M. Bardo "Single Molecule Spectroscopic Studies of Nanoscale Heterogeneity in Organically-Modified Silicate Thin Films", Chem. Mater., 2002, 14, 3734.

39. Xiangmin Liao and Daniel A. Higgins, "Scanning Probe Microscopy Studies of Mesostructured Nonstoichiometric Polyelectrolyte-Surfactant Complexes", Langmuir, 2002, 18, 6259.

38. Jeffrey E. Hall and Daniel A. Higgins, "A Direct Method for Monitoring Two Beam Coupling in Photorefractive Materials", Rev. Sci. Instrum., 2002, 73, 2103.

37. Xiangmin Liao and Daniel A. Higgins, "Near-Field Scanning Optical Microscopy Studies of a Fluorescent Polyelectrolyte-Surfactant Complex", Langmuir, 2001, 17, 6051.

36. Angela M. Bardo, Maryanne M. Collinson, and Daniel A. Higgins, "Nanoscale Properties and Matrix-Dopant Interactions in Dye-Doped Organically-Modified Silicate Thin Films", Chem. Mater.,2001, 13, 2713. "Erratum", Chem. Mater.,2001, 13, 3058.

35. Brenda J. Luther, Gerald H. Springer, and Daniel A. Higgins, "Templated Droplets and Ordered Arrays in Polymer Dispersed Liquid Crystal Films", Chem. Mater., 2001, 13, 2281. Artwork on the Cover of this Issue of Chem. Mater.

34. Daniel A. Higgins, Xiangmin Liao, Jeffrey Hall, and Erwen Mei, "Simultaneous Near-Field Optical Birefringence and Fluorescence Contrast Applied to the Study of Dye-Doped Polymer-Dispersed Liquid Crystals", J. Phys. Chem. B, 2001, 105, 5874.

33. Gerald H. Springer and Daniel A. Higgins, "Toroidal Droplet Formation in Polymer-Dispersed Liquid Crystal Films", J. Am. Chem. Soc., 2000, 122, 6801.

32. Erwen Mei, Angela M. Bardo, Maryanne M. Collinson, and Daniel A. Higgins, "Single Molecule Studies of Sol-Gel-Derived Silicate Films. Microenvironments and Film Drying Conditions", J. Phys. Chem. B, 2000, 104, 9973. View Abstract.

31. Daniel A. Higgins, "Probing the Mesoscopic Chemical and Physical Properties of Polymer-Dispersed Liquid Crystals", Adv. Mater., 2000, 12, 251.

30. Gerald H. Springer and Daniel A. Higgins, "Multiphoton-Excited Fluorescence Imaging and Photochemical Modification of Dye-Doped Polystyrene Microsphere Arrays", Chem. Mater., 2000, 12, 1372. View Abstract.

29. Erwen Mei and Daniel A. Higgins, " Nanometer-Scale Resolution and Depth Discrimination in Near-Field Optical Microscopy Studies of Electric-Field-Induced Molecular Reorientation Dynamics", J. Chem. Phys., 2000, 112, 7839. View Abstract.

28. Yanwen Hou, Angela M. Bardo, Cruz Martinez, and Daniel A. Higgins, "Characterization of Molecular Scale Environments in Polymer Films by Single Molecule Spectroscopy", J. Phys. Chem. B, 2000, 104, 212. View Abstract.

27. Erwen Mei and Daniel A. Higgins, "Electric-Field-Induced Ion Migration in Polymer-Dispersed Liquid Crystal Films Observed by Near-Field Scanning Optical Microscopy", Appl. Phys. Lett., 1999, 75, 430. View Abstract

26. Daniel A. Higgins, Erwen Mei, and Xiangmin Liao, "Electric-Field-Induced Molecular Reorientation Dynamics by Near-Field Scanning Optical Microscopy", Proc. SPIE , 1999, 3607, 26.

25. Daniel A. Higgins and Erwen Mei, "Near-Field Scanning Optical Microscopy", In: Scanning Tunneling Microscopy and Spectroscopy, D. Bonnell, ed., Wiley. 2001 pp. 371-420.

24. Erwen Mei and Daniel A. Higgins, "Local Dynamics in Polymer-Dispersed Liquid Crystals Studied by Near-Field Scanning Optical Microscopy", Appl. Phys. Lett.,1998, 73, 3515. View Abstract

23. Hanming Wang, Angela M. Bardo, Maryanne M. Collinson, and Daniel A. Higgins, "Microheterogeneity in Dye Doped Silicate and Polymer Films", J. Phys. Chem. B, 1998, 102, 7231. View Abstract.

22. Erwen Mei and Daniel A. Higgins, "Near-Field Scanning Optical Microscopy Studies of Electric Field Induced Molecular Reorientation Dynamics", J. Phys. Chem. A, 1998, 102, 7558. View Abstract

21. Erwen Mei and Daniel A. Higgins, "Polymer-Dispersed Liquid Crystal Films Studied by Near-Field Scanning Optical Micrscopy", Langmuir, 1998, 14, 1945. View Abstract

20. David A. Vanden Bout, Josef Kerimo, Daniel A. Higgins, and Paul F. Barbara, "Near-Field Optical Studies of Thin-Film Mesostructured Organic Materials", Acc. Chem. Res., 1997, 30, 204.

19. Josef Kerimo, David M. Adams, David A. Vanden Bout, Daniel A. Higgins, and Paul F. Barbara, "Near Field Scanning Optical Microscopy/Spectroscopy (NSOM) of Advanced Organic Thin Film Materials", Inter-American Photochem. Soc. Newsletter, 1996, 19, 57.

18. J. W. Blatchford, T. L. Gustafson, A. J. Epstein, D. A. Vanden Bout, J. Kerimo, D. A. Higgins, P. F. Barbara, D. -K. Fu, T. M. Swager, A. G. MacDiarmid, "Spatially and Temporally Resolved Emission from Aggregates in Conjugated Polymers", Phys. Rev. B, 1996, 54, 3683.

17. Daniel A. Higgins, David A. Vanden Bout, Josef Kerimo, and Paul F. Barbara, "Polarization-Modulation Near Field Scanning Optical Microscopy of Mesostructured Materials", J. Phys. Chem., 1996, 100, 13794.

16. David A. Vanden Bout, Josef Kerimo, Daniel A. Higgins, and Paul F. Barbara, "Spatially Resolved Spectral Inhomogeneities in Small Molecular Crystals Studied by Near Field Scanning Optical Microscopy", J. Phys. Chem., 1996, 100, 11843.

15. Daniel A. Higgins, Josef Kerimo, David A. Vanden Bout, and Paul F. Barbara, "A Molecular Yarn: The Self Assembly of Flexible, Fluorescent Fibers Studied by Near Field Scanning Optical Microscopy", J. Am. Chem. Soc., 1996, 118, 4049.

14. Philip J. Reid, Daniel A. Higgins, and Paul F. Barbara, "Environment-Dependent Photophysics of Polymer Bound J-Aggregates Determined by Time-Resolved Fluorescence Spectroscopy and Time-Resolved Near-Field Scanning Optical Microscopy", J. Phys. Chem., 1996, 100, 3892.

13. Daniel A. Higgins, Philip J. Reid, and Paul F. Barbara, "Structure and Exciton Dynamics in J-Aggregates Studied by Polarization-Dependent Near Field Scanning Optical Microscopy", J. Phys. Chem., 1996, 100, 1174.

12. Daniel A. Higgins, and Paul F. Barbara, "Excitonic Transitions in J-Aggregates Probed by Near-Field Scanning Optical Microscopy", J. Phys. Chem., 1995, 99, 3.

11. Roberta R. Naujok, Daniel A. Higgins, Dennis G. Hanken, and Robert M. Corn, "Optical Second Harmonic Generation Measurements at the Liquid-Liquid Electrochemical Interface", J. Chem. Soc. Faraday Trans., 1995, 91, 1411.

10. Robert M. Corn and Daniel A. Higgins, "Monitoring Surface Chemistry with Optical Second Harmonic Generation", in CRC Handbook of Surface Imaging and Visualization, Hubbard, A. T. ed., CRC Press, Boca Raton, 1995, p.479.

9. Robert M. Corn and Daniel A. Higgins, "Molecular Orientation in Thin Films as Probed by Optical Second Harmonic Generation", in Practical Guide for the Surfaces, Interfacial and Micro Analysis of Materials: Characterization of Organic Thin Films, Vol. 6, Ulman, A. ed., Butterworth-Heineman, 1995, p.227.

8. Robert M. Corn and Daniel A. Higgins, "Optical Second Harmonic Generation as a Probe of Surface Phenomena", Chem. Rev., 1994, 94, 107.

7. Daniel A. Higgins, Roberta R. Naujok, and Robert M. Corn, "Second Harmonic Generation Measurements of Molecular Orientation and Coadsorption at the Interface Between Two Immiscible Electrolyte Solutions", Chem. Phys. Lett., 1993, 213, 485.

6. Kevin L. Kott, Daniel A. Higgins, Robert J. McMahon, and Robert M. Corn, "Observation of Photo-Initiated Electron Transfer at a Liquid-Liquid Interface by Optical Second Harmonic Generation", J. Am. Chem. Soc., 1993, 115, 5342.

5. Daniel A. Higgins and Robert M. Corn, "Second Harmonic Generation Studies of Adsorption at a Liquid-Liquid Electrochemical Interface", J. Phys. Chem., 1993, 97, 489.

4. Daniel A. Higgins and Robert M. Corn, "Second Harmonic Generation at Liquid-Liquid Interfaces", Proc. SPIE, 1993, 1857, 2.

3. Daniel A. Higgins, Michael B. Abrams, Shannon K. Byerly, and Robert M. Corn, "Resonant Second Harmonic Generation Studies of p-Nitrophenol Adsorption at Condensed Phase Interfaces", Langmuir, 1992, 8, 1994.

2. Daniel A. Higgins, Shannon K. Byerly, Michael B. Abrams, and Robert M. Corn, "Second Harmonic Generation Studies of Methylene Blue Orientation at Silica Surfaces", J. Phys. Chem., 1991, 95, 6984.

1. Deborah J. Campbell, Daniel A. Higgins, and Robert M. Corn, "Molecular Second Harmonic Generation Studies of Methylene Blue Chemisorbed onto a Sulfur-Modified Polycrystalline Platinum Electrode", J. Phys. Chem., 1990, 94, 3681.