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<span class="" style="font-size:10.5pt; font-family:Arial,sans-serif">***** Seminar *****</span><span class="" style=""></span></div>
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<b class=""><span class="" style="font-size:14pt">Department of Electrical and Computer Engineering</span></b><span class="" style=""></span></div>
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<b class=""><span class="" style="">Center for Integrated Bio and Nano Systems</span></b><span class="" style=""></span></div>
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<b class=""><span class="" style=""> Friday, September 29, 2017</span></b><span class="" style=""></span></div>
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<b class=""><span class="" style="">11:15 a.m. (Refreshments served at 12:15 pm)</span></b><span class="" style=""></span></div>
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<b class=""><span class="" style="">Room: CBB 104 </span></b><span class="" style=""></span></div>
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<b class=""><span class="" style="font-size:18pt">Identifying New Paradigms in Crystal Engineering for Energy and Biomedical Applications<span class="Apple-converted-space"> </span></span></b><span class="" style="font-size:18pt"></span></div>
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<span class="" style="">Jeffrey D. Rimer</span></div>
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<span class="" style="">Ernest J. and Barbara M. Henley Associate Professor of Chemical Engineering</span></div>
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<span class="" style="">Department of Chemical and Biomolecular Engineering</span></div>
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<span class="" style="">University of Houston, TX 77004</span></div>
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<b class=""><span class="" style="">Abstract</span></b><span class="" style="font-size:11pt; font-family:Calibri,sans-serif">:<span class="Apple-converted-space"> </span></span><span class="" style="">Crystal engineering is a broad area of research that focuses
on methods of designing and/or optimizing materials for diverse applications in fields spanning from energy to medicine. The ability to selectively control crystallization to achieve desired material properties requires detailed understandings of the thermodynamic
and kinetic factors regulating crystal nucleation and growth. Combining this fundamental knowledge with innovative approaches to tailor crystal size, structure, and morphology can lead to the production of materials with superior properties beyond what is
achievable by conventional routes. In this talk I will discuss two general mechanisms of crystal growth: (1) classical pathways involving 2-dimensional layer nucleation and advancement on crystal surfaces through monomer addition; and (2) nonclassical pathways,
termed crystallization by particle attachment (CPA), involving the formation of metastable precursors that play a direct role in crystal nucleation and growth. Our group uses techniques such as atomic force microscopy (AFM) to investigate crystallization in
situ under solvothermal conditions. We have developed a unique AFM system capable of capturing time-resolved dynamics of surface growth, thus opening new routes to probe complex pathways of crystallization. We also design “modifiers” to control crystal properties
such as size and morphology. Modifiers are molecules or macromolecules that interact with specific surfaces of crystals and regulate anisotropic growth rates. In this talk, I will show how we use growth modifiers to control crystallization in two distinctly
different, yet fundamentally similar, applications. In the first part of my talk I will discuss our work on the development of therapeutic drugs for crystals implicated in two pathological diseases: kidney stones (calcium oxalate monohydrate) and malaria (hematin).
In the second part of my talk, I will discuss how we are using modifiers as a bio-inspired approach to tailor the properties of zeolites, which are microporous aluminosilicates commercially used in catalysis, adsorption, and ion-exchange processes. Topics
that will addressed include the broader challenges of synthesizing zeolites, progress towards elucidating their complex mechanism(s) of growth, and extensive effort to develop commercially-viable approaches to tailor their physicochemical properties.</span></div>
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<b class=""><span class="" style="">Bio</span></b><span class="" style="">: Jeffrey Rimer is the Ernest J. and Barbara M. Henley Associate Professor of Chemical Engineering at the University of Houston. Jeff received B.S. degrees in Chemical Engineering and
Chemistry from Washington University in St. Louis and Allegheny College, respectively. In 2006, he received his Ph.D. in Chemical Engineering from the University of Delaware. Prior to joining the Department of Chemical and Biomolecular Engineering at Houston
in 2009, he spent two years as a postdoctoral fellow at New York University’s Molecular Design Institute within the Department of Chemistry. Jeff’s research in the area of crystal engineering focuses on the rational design of materials with specific applications
in the synthesis of microporous catalysts and adsorbents, and the development of therapeutics to inhibit crystal formation in pathological diseases. Jeff has received numerous awards, including the ACS Doctoral New Investigator Award, the NSF CAREER Award,
the 2016 Owens Corning Early Career Award from AIChE, the 2017 FRI/John G. Kunesh Award from AIChE, the Joe W. Hightower Award from ACS, the inaugural 2017 Netherlands Center for Multiscale Catalytic Energy Conversion Lectureship Award, and the inaugural 2016
Mellichamp Emerging Leader Lecturer at the University of California at Santa Barbara. He has also been the recipient of several research and teaching awards, including the Junior Faculty Research Excellence Award from the Cullen College of Engineering, the
Excellence in Research and Scholarship and the Early Faculty Award for Mentoring Undergraduate Research from the University of Houston, and Teaching Excellence Awards at both the University and College level. Jeff serves as chair of the Southwest Catalysis
Society, executive committee member for the American Associate for Crystal Growth, vice chair of the International Zeolite Association Synthesis Commission, chair for the Gordon Research Conference on Crystal Growth and Assembly, vice chair for the Gordon
Research Conference on Nanoporous Materials and Their Applications, and he is a member of the advisory boards for AIChE Journal (Wiley), Molecular Systems Design & Engineering (RSC), and Reaction Chemistry & Engineering (RSC).</span></div>
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