Lee, T. Randall - University of Houston

个人简介

NIH Postdoctoral Fellow, Caltech, 1991-1993 Ph.D., Harvard University, 1991 B.A., Rice University, (Magna Cum Laude) 1985

研究领域

Organic and Materials Research Chemistry Research in the Lee group can be divided into six general areas: (1) selectively fluorinated organic thin films, (2) complex organic interfaces with controlled local composition, structure, and function, (3) biologically active interfaces, (4) nanoparticle growth and manipulation, (5) biopolymers and conducting polymers, and (6) polymerization catalyst development. The common thread that ties all of the research areas together is the use of synthesis be it organic, inorganic, organometallic, or solid-state to prepare new materials for technological applications. Progress in each of the areas requires the successful development and integration of a wide range of research skills, starting with the synthesis of new materials, followed by the collection and analysis of data, and ending with the oral and written communication of the results. As a natural consequence of this integrated approach, students departing from the Lee group are equipped with an unusually broad range of research capabilities. For example, analytical instrumentation commonly employed by the group includes IR, NMR, and UV-vis spectroscopies, GC, GC/MS, HPLC, gel permeation chromatography (GPC), dynamic light scattering (DLS), contact angle goniometry, ellipsometry, polarization modulation reflection absorption spectroscopy (PM-IRRAS), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and atomic force microscopy (AFM). Members of the Lee group also gain experience using other specialized analytical instrumentation in collaborative projects with other research groups. Current studies of fluorinated films utilize self-assembled monolayers (SAMs) to generate nanoscale fluorocarbon thin-film coatings (essentially nanoscale analogs of Teflon) for use in miniaturized electronic device applications and as coatings for biomaterials. Research on complex interfaces targets the development of new types of SAM adsorbates for the purpose of generating structurally defined surfaces that expose a mixture of functional groups designed to elicit specific molecular recognition (e.g., sensor devices) and/or catalysis (e.g., artificial enzymes). Studies of biologically active interfaces utilize SAMs to enhance the growth of protein crystals and to template cell adhesion and proliferation for applications in tissue engineering. Since much of the work in the Lee group is collaborative in nature, students often work side-by-side with chemical engineers, physicists, electrical engineers, biochemists, and biomedical engineers. In this type of environment, students gain knowledge and skills beyond those typically encountered in traditional synthetic chemistry laboratories.

近期论文

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"Tridentate Adsorbates with Cyclohexyl Headgroups Adsorbed on Gold" B. Singhana; S. Rittikulsittichai; T. R. Lee, Langmuir 2013, 29, 561-569. PDF file "Telomere Shortening and Cell Senescence Induced by Perylene Derivatives in A549 Human Lung Cancer Cells" Bioorg. Med. Chem. 2013, 21, 883-890. .PDF file "Monodisperse SnO2-Coated Gold Nanoparticles Are Markedly More Stable than Analogous SiO2-Coated Gold Nanoparticles" S. H. Lee; I. Rusakova; D. M. Hoffman; A. J. Jacobson; T. R. Lee, ACS Appl. Mater. Interfaces 2013, 5, in press. PDF file "Chemical Investigation of Fe3+/Nb5+-Doped Barium Titanate Ceramics" L. Srisombat, S. Ananta, B. Singhana, T. R. Lee, R. Yimnirun, Ceram. Int. 2013, 39, S591-S594.PDF “Contact Angles and Wetting Properties", Y. Yuan; T. R. Lee, In Surface Analytical Techniques; Editors: G. Bracco and B. Holst; Springer Series in Surface Sciences 51, DOI 10.1007/978-3-642-34243-1_1; Springer-Verlag, Berlin-Heidelberg, 2013. "Filamentization of YBCO Coated Conductors by Microcontact Printing" M. Kim; H. C. Freyhardt, T. R. Lee; A. J. Jacobson; E. Galstyan; A. Usoskin; A. Rutt, IEEE Trans. Appl. Supercond. 2013, 23, 6601304.PDF "Issues in the Wavelength-Dispersive Spectrometric Characterization of YBa2Cu3O7-δ" K. Müller; A. L. Baker; J. K. Meen; M. Kim; H. J. Lee; E. Galstyan; H. Freyhardt; T. R. Lee, IEEE Trans. Appl. Supercond. 2013, 23, 7201109.PDF "Cubic Silica-Coated and Amine-Functionalized FeCo Nanoparticles with High Saturation Magnetization" A. G. Kolhatkar; I. Nekrashevich; D. Litvinov; R. C. Willson; T. R. Lee, Chem. Mater. 2013, 25, 1092-1097.PDF "Preparation, Characterization, and Utilization of Multi-functional Magnetic-Fluorescent Composites for Bio-Imaging and Magnetic Hyperthermia Therapy" S. Rittikulsittichai; B. Singhana; W. W. Bryan; S. Sarangi; A. C. Jamison; A. Brazdeikis; T. R. Lee, RSC Advances 2013, 3, 7838-7849.PDF "Characterization of SAMs Derived from Octadecyloxyphenylethanethiols by Sum Frequency Generation" J. D. C. Jacob; S. Rittikulsittichai; T. R. Lee; S. Baldelli, J. Phys. Chem. C 2013, 117, 9355-9365.PDF "The Impact of Fluorination on the Structure and Properties of Self-Assembled Monolayer Films" O. Zenasni; A. C. Jamison; T. R. Lee, Soft Matter 2013, 9, 6356-6370.PDF "Image Contrast in Sum Frequency Generation Microscopy Based on Monolayer Order and Coverage" J. H. Jang: J. D. C. Jacob; G. Santos; T. R. Lee; S. Baldelli, J. Phys. Chem. C 2013, 117, 15192-15202. PDF "Robust Carboxylic Acid-Terminated Organic Thin Films and Nanoparticle Protectants Generated from Bidentate Alkanethiols" H. J. Lee; A. C. Jamison; Y. Yuan; C.-H. Li; S. Rittikulsittichai; I. Rusakova; T. R. Lee, Langmuir 2013, 29, 10432-10439.PDF "Synthesis, Characterization, and Relative Stabilities of Self-Assembled Monolayers on Gold Generated from Bidentate n-Alkyl Xanthic Acids" H. J. Moore; R. Colorado, Jr.; A. C. Jamison; T. R. Lee, Langmuir 2013, 29, 10674-10683.PDF "Tuning the Magnetic Properties of Nanoparticles" A. G. Kolhatkar; A. C. Jamison; D. Litvinov; R. C. Willson; T. R. Lee, Int. J. Mol. Sci. 2013, 14,15977-16009.PDF "Colloidal Stability Evolution and Completely Reversible Aggregation of Gold Nanoparticles Functionalized with Rationally Designed Free Radical Initiators" H. H. Park; H. Park; A. C. Jamison; H. Park; S. Lee; T. R. Lee, Coll. Polym. Sci. 2013, 291. PDF "Self-Assembled Monolayer Films Derived from Tridentate Cyclohexyl Adsorbates with Alkyl Tailgroups of Increasing Chain Length" B. Singhana; A. C. Jamison; J. Hoang; T. R. Lee, Langmuir 2013, 29, 14108-14116.PDF "Transparent, Homogeneous Tin Oxide (SnO2) Thin Films Containing SnO2-Coated Gold Nanoparticles" S. H. Lee; D. M. Hoffman; A. J. Jacobson; T. R. Lee, Chem. Mater. 2013, 25, 4697–4702.PDF Surface Assembly of 1,1,1-Tris(mercaptomethyl)heptadecane on Au(111) Viewed with Time-Lapse Atomic Force Microscopy" T. Tian; B. Singhana; L. E. Englade-Franklin; X. Zhai; T. R. Lee; J. C. Garno, Beilstein. J. Nanotechnol. 2013, 4.