Dr. Garth Simpson

Professor

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Biography

Professor Garth Simpson's research group focuses on the theoretical development and experimental application of new instrumental methods that leverage unique nonlinear optical interactions. His recent interests have included the detection and analysis of crystals formed by chiral molecules, emphasizing the role of chirality in polarization-dependent effects in nonlinear optics. Simpson's group explores the sensitive detection and characterization of protein crystals using harmonic generation microscopy, providing essential insights into protein function and rational drug design. The research includes optimizing crystallization conditions critical for protein structure determination using X-ray and electron diffraction techniques. Simpson's work specifically targets reducing the time required for the crystallization of proteins, enhancing the efficiency of discovering well-formed crystals suitable for diffraction analysis. Additionally, he investigates the applications of second-harmonic generation (SHG) microscopy for early detection of crystal formation in pharmaceutical formulations, where the nature of the formulation can significantly affect the drug's bioavailability and shelf-life.

Research Interests

Awards

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College of Science Research Award

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College of Science Interdisciplinary Award

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Faculty Scholar

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ACS Division Analytical Chemistry Arthur F. Findeis Award

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Research Corporation Research Innovation Award

Requirements for Purdue University

Doctorate Program
Requirements
GPA Requirement
Required:3
TOEFL
Listening
Required:14
Reading
Required:19
Writing
Required:18
Speaking
Required:23
Total
Required:88
IELTS
Listening
Required:6
Reading
Required:6.5
Writing
Required:5.5
Speaking
Required:7
Overall
Required:7
Prerequisites
35 semester hours of undergraduate chemistry Courses in General, Quantitative, Inorganic, Organic, and Physical Chemistry
Application Checklist
  • Online Application
  • Academic Statement of Purpose (500 words)
  • Personal History Statement
  • Official Transcripts
  • Three Letters of Recommendation
  • Resume
Specialization Notes

GRE scores (General and Subject) are NOT considered.