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TCNJ Chemistry Department Lecture Series

Seminar speaker – Dr. Ian Harrison, Professor, Department of Chemistry, University of Virginia

Title of the Talk: Reaction Dynamics at Catalytic Metal Surfaces

Time and Location: Wednesday, April 20, 11:00 am – 12:00 pm, C121

The reactivity of light alkanes impinging on a Pt(111) single crystal metal surface is examined using effusive molecular beams and surface science techniques. Microcanonical rate theory is shown to be useful in modeling the gas-surface reactivity and energy transfer for both non-equilibrium and thermal equilibrium experiments. Dynamical biases are found to reduce the reactivity of the smallest alkanes, methane and ethane, whereas deviation from statistical reactive behavior was not discerned for larger alkanes. For methane and ethane, only the component of translational energy directed along the direction of the surface normal promotes reactivity, rotational energy is a spectator degree of freedom, and molecular vibrational energy is only 40% as efficacious in promoting reactivity as is normal translational energy. The activation energy for dissociative chemisorption of C1-C9 alkanes is found to diminish with increasing Van der Waals attraction between the alkane and surface. These findings are interesting in the context of optimizing chemical transformations involving natural gas which currently consume ~2% of world power. The talk will conclude with a description of the graduate program in Chemistry at UVa.

TCNJ Chemistry Department Lecture Series

Seminar speaker – Dr. Catherine Grimes, Department of Chemistry and Biochemistry, University of Delaware Title of the Talk: Chemical Tools for Studying the Activation of the Intracellular Innate Immune Protein Nod2 Time and Location: Wednesday, April 6, 11:00 am – 12:00 pm, Room C121 Abstract: Chronic inflammatory disorders, such as Inflammatory Bowel Disease, arise from an inappropriate… Continue Reading

TCNJ Chemistry Department Lecture Series: Feb. 3

Beyond Activity Measurements: Leveraging Biophysics and Structure for Hit Identification and Prioritization Dr. William Metzler, Associate Director, Lead Development, Bristol-Myers-Squibb, Emeritus Wednesday, February 3rd, 2016, 11 am – 12 pm, SCC121 The emergence of fragment-based screening as a vehicle for identifying novel chemical leads is challenging the current paradigm for lead optimization.  When dealing with… Continue Reading

TCNJ Chemistry Department Lecture Series: Nov. 18

Breaking strong bonds and recovering rare earths: Adventures in sustainable chemistry Marion Emmert – Assistant Professor, Worcester Polytechnic Institute Wednesday, November 18th, 2015, 11 am – 12 pm, SCC121 Catalysis is one of the most powerful tools of green chemistry, enabling reactions with lower energy consumption and providing new pathways for bond formations. In particular, catalytically… Continue Reading

TCNJ-Novo Nordisk Colloquium: Oct. 20

Dr. Todd Hobbs and Dr. Henriette Mersebach, Novo Nordisk in North America How a Drug is Born Tuesday, October 20th, 2015, 4 – 5 pm, SCP101 The first in a series of lectures to highlight the recent partnership between Novo Nordisk and TCNJ, this lecture will take the audience through the many steps required in… Continue Reading