ISR Microsystems Seminar Series: Amy Herr, "Next-Generation Proteomics"

Tuesday, May 10, 2011
4:00 p.m.
1146 A.V. Williams Building
Elisabeth Smela
301 405 5265

ISR Microsystems Seminar Series
Next generation proteomics: Towards high-throughput protein analysis via microfluidic integration

Amy Herr
University of California, Berkeley

| View the video from this seminar |

Reza Ghodssi

While the genomics revolution has had sweeping impact on our understanding of life processes, the arguably more important “proteomics revolution” remains unrealized. Proteins are more directly linked to function than genes, but proteins are also dynamic and more biochemically complex. Consequently, protein analysis often demands multi-stage biochemical assays to measure not one, but multiple physicochemical properties (e.g., Western blot, 2D electrophoresis). Unfortunately, benchtop assays consume significant resources, making the biological sciences protein "data limited." To surmount these challenges and realize an era of high throughput proteomics, innovation in instrumentation is needed.

Microfluidic technology has advanced separations science, yet progress in multi-stage separations has lagged. Accepted multi-stage design approaches suffer from inherent information loss owing to strategies that "discretize" first-stage separations by mapping readouts to discrete compartments in a second-stage. At UC Berkeley, we are introducing novel non-discretizing integration strategies. This talk will highlight multi-stage assays uniquely enabled by our "μMosaic" fabrication technique: an approach that allows us to regionally photopattern 2D microchambers with heterogeneous, discrete nanomaterials. Our design strategy yields low-dispersion, near lossless electrokinetic material transport between disparate assay stages. In one example, I will summarize our recent progress towards fast, hands-free and perhaps even quantitative Western blotting, employed here for analysis of specimens from clinical sample repositories. Our ultimate goal being to advance the understanding of life processes – including development and disease – through quantitative bioinstrumentation.

Amy E. Herr received her BS degree from Caltech and her MS (1999) and PhD (2002) degrees from Stanford in Mechanical Engineering. At UC Berkeley, her research focuses on instrumentation innovation to advance quantitation in life sciences and clinical problems. Translational impact of her research program spans from tools for fundamental research (cell signaling) to near-patient disease diagnostics. Her major awards include the NIH New Innovator Award (2010-15), the NSF CAREER Award (2011), the Eli Lilly & Co. New Investigator Award in analytical chemistry, the Alfred P. Sloan Research Fellowship (2010-12, chemistry), the DARPA Young Faculty Award (2009-11), the 2009 Hellman Family Faculty Fund Award from UC Berkeley, and the 2008 Regents‟ Junior Faculty Fellowship from UC. In 2007 she was recognized as an Outstanding Mentor by Sandia National Labs. She Chaired (2009) & Vice-chaired (2007) the Gordon Research Conference (GRC) on the Physics & Chemistry of Microfluidics, has served on the technical program committee for various conferences (microTAS, Hilton Head, Transducers, IEEE Sensors, AIChE, and BMES) and as a guest editor for Lab Chip & JMM.

Audience: Graduate  Undergraduate  Faculty  Post-Docs  Alumni 

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