Hyotcherl Ihee

Department of Biochemistry & Molecular Biology

The University of Chicago

920 East 58th Street,  Chicago, IL 60637

   Tel: (773) 702-1801     Fax: (773) 702-0439     hihee257@yahoo.com

 

 

EDUCATION

Ph.D., Chemistry                                                                                                    June, 2001

            California Institute of Technology

·      GPA: 4.00 / 4.00

 

            B.S., Chemistry                                                                                               February, 1994

            Korea Advanced Institute of Science and Technology

·      GPA: 4.09 / 4.30

·      Graduated with highest honors (2nd out of 550 graduates)

 

RESEARCH EXPERIENCE 

Postdoctoral Scholar                                                                                                       2001

            University of Chicago

            Department of Biochemistry & Molecular Biology

            Research Advisor: Prof. K. Moffat

·      Applied time-resolved macromolecular x-ray crystallography to study, in real time, the structural dynamics of photoactive protein kinases.

 

Postdoctoral Scholar                                                                                                       2001

            California Institute of Technology

            Research Advisor: Prof. A. H. Zewail

·      Developed and applied novel analysis methods for ultrafast electron diffraction (UED) to determine the molecular structures of transient species in various chemical reactions initiated by femtosecond laser pulses in real time.

 

Graduate Research Assistant                                                                                        1994 - 2001

            California Institute of Technology

            Research Advisor: Prof. A. H. Zewail

            Research Collaborator: Prof. W. A. Goddard, III

·      Developed and applied techniques using ultrafast electron diffraction (UED) to directly image, in real time, the structural dynamics of various chemical reactions initiated by femtosecond laser pulses; reactions studied involved organohalides, organometallic compounds, and cyclic hydrocarbon polyenes.

·      Participated in the design and construction of a UED apparatus.

·      Utilized UED to determine the molecular structures of transient species.

·      Studied structures and properties of ground state molecules and transient species using ab initio quantum mechanical calculations.

·      Developed a data analysis software package for Windows 98 written in Visual C++.

PUBLICATIONS

[1] “Clustering of platinum atoms in zeolite EMT supercage: Comprehensive physicochemical characterization”, Ihee, H.; Bécue, T.; Ryoo, R.; Potvin, C.; Manoli, J.-M.; Djéga-Mariadassou, G. Zeolites and Related Microporous Materials: State of the Art 1994, 84, 765-772.

 

[2] “129Xe Nuclear magnetic resonance study on a solid-state defect in HZSM-5 zeolite”, Ryoo, R.; Ihee, H.; Kwak, J. H.; Seo, G.; Liu, S.-B. Microporous Materials 1995, 4, 59-64.

 

[3] “Clocking transient chemical changes by ultrafast electron diffraction”, Williamson, J. C.; Cao, J.; Ihee, H.; Frey, H.; Zewail, A. H. Nature 1997, 386, 159-162.

 

[4] “Ultrafast electron diffraction: structures in dissociation dynamics of Fe(CO)5”, Ihee, H.; Cao, J.; Zewail, A. H. Chem. Phys. Lett. 1997, 281, 10-19.

 

[5] “Ultrafast electron diffraction: determination of radical structure with picosecond time resolution”, Cao, J.; Ihee, H.; Zewail, A. H. Chem. Phys. Lett. 1998, 290, 1-8.

 

[6] “Ultrafast electron diffraction and direct observation of transient structures in a chemical reaction”, Cao, J.; Ihee, H.; Zewail, A. H. Proc. Natl. Acad. Sci. 1999, 96, 338-342.

 

[7] “Conformations and barriers of haloethyl radicals (CH2XCH2, X = F, Cl, Br, I): Ab Initio Studies”, Ihee, H.; Zewail, A. H.; Goddard, W. A., III. J. Phys. Chem. A 1999, 103, 6638-6649.

 

[8] “Direct imaging of transient molecular structures with ultrafast diffraction”, Ihee, H.; Lobastov, V. A.; Gomez, U. M.; Goodson, B. M.; Srinivasan, R.; Ruan, C.-Y.; Zewail, A. H. Science 2001, 291, 458-462.

 

[9] “Ultrafast electron diffraction of transient Fe(CO)4: Determination of molecular structure and reaction pathway”, Ihee, H.; Cao, J.; Zewail, A. H. Angew. Chem., Int. Ed. Engl. 2001, 40, 1532-1536.

 

[10] “CF2XCF2X and CF2XCF2 radicals (X = Cl, Br, I): Ab initio studies and comparison with experiments”, Ihee, H.; Kua, J.; Goddard, W. A., III.; Zewail, A. H. J. Phys. Chem. A, 2001, 105, 3623-3632.

 

[11] “Ultrafast diffraction and structural dynamics: The nature of complex molecules far from equilibrium”, Ruan, C.-Y.; Lobastov, V. A.; Srinivasan, R.; Goodson, B. M.; Ihee, H.; Zewail, A. H. Proc. Nat. Acad. Sci. 2001, 98, 7117-7122.

 

[12] “Ultrafast electron diffraction and structural dynamics: Transient intermediates in the elimination reaction of C2F4I2”, Ihee, H.; Goodson, B. M.; Srinivasan, R.; Lobastov, V. A.; Zewail, A. H. J. Phys. Chem. A, submitted for publication.

 

[13] “Ultrafast electron diffraction of transient cyclopentadienyl radical: A dynamic pesudorotary structure”, Ihee, H.; Feenstra, J. S.; Cao, J.; Zewail, A. H. Chem. Phys. Lett., submitted for publication.

 

TEACHING EXPERIENCE 

Teaching Assistant                                                                                             1994 - 1999

            California Institute of Technology

·      General Chemistry (Prof. N. Lewis).

·      The Physical Description of Physical Systems (Prof. J. Baldeschwieler).

·      The Dynamics of the Chemical Bond (Prof. A. Zewail).

·      Nonequilibrium Statistical Mechanics (Prof. R. Marcus).

·      Spectroscopy (Prof. A. Zewail).

·      Molecular Spectra and Molecular Structure (Prof. M. Okumura).

 

TECHNICAL SKILLS

·      Extensive hands-on experience with amplified Ti:Sapphire femtosecond laser systems and colliding pulse mode-locking ring dye laser systems.

·      Knowledge of instrumentation and data acquisition using CCD detection systems.

·      Proficiency in C, C++, and Visual C++ programming languages.

·      Extensive hands-on experience with high-vacuum system.

·      Extensive experience with ab initio quantum calculation packages including Gaussian 98 and Jaguar 3.5.

 

PROFESSIONAL AFFILIATIONS

·      American Chemical Society                                                                     1994 - present

·      American Physical Society                                                                      1996 - present

·      American Association for the Advancement of Science                            1998 - present