Ralph Jimenez

Douglas

BS: University of Colorado, Boulder - Molecular, Cellular and Developmental Biology

PhD: Cornell University - Biochemistry, Cellular and Molecular Biology

I manage general lab operations and facilities and support engineering and analysis of fluorescent and bioluminescent proteins.

Erickson

  • BS (Mechanical Engineering), Ohio State University
  • MBA, Pepperdine University
  • Ph.D. (Biochemistry), University of Colorado – Boulder

Parzuchowski

My research is focused on the design and implementation of various measurements of cross-sections for entangled two-photon absorption, a process in which entangled photon pairs are used to excite two-photon transitions. Entangled two-photon absorption has shown promise for biological imaging at low excitation intensity, however the magnitude of the “quantum advantage” of the process needs further study.

Alexander

  • PhD Physics (Montana State University, Bozeman);
  • MS Physics (Montana State University);
  • BS Physics (Kazan State University, Kazan, Russia).

My scientific interests cover an intersecting area of nonlinear optics, ultrafast laser spectroscopy, physical chemistry and quantum optics where a combination of diverse experimental methods can be employed together to obtain new insights about complex physical and biological systems.

Group Lead - Dr. Ralph Jimenez

Ralph’s interests are in experimental studies of dynamics in complex molecular systems. Over the years, he has worked on a wide range of areas where ultrafast spectroscopy is useful such as femtosecond dynamics of liquids, energy transfer in photosynthetic systems, protein-ligand interactions in antibodies, chromophore dynamics of fluorescent proteins. As part of his research, he has developed a number of optical and microfluidic technologies to advance experimental capabilities in liquid-phase chemical dynamics using time-resolved optical or laser-based x-ray techniques.

Fluorescent Proteins

Since the isolation of the first naturally fluorescing protein from jelly fish in the 1960s, fluorescent proteins (FPs) have become integral to a wide range of biological/medical applications, allowing visualization of biomolecules and processes in living cells and tissues to a much greater degree than was previously possible. Extensive molecular engineering of naturally occurring FPs has led to several families of recombinant proteins tailored to specific biophysical and imaging purposes.

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