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176 results
2015
Xuri Yan, John Marini, Robert Mulligan, Abby Deleault, Upma Sharma, Michael P. Brenner, Gregory C. Rutledge, Toby Freyman, Quynh P. Pham, and Dario Pisignano. 2015. “Slit-Surface Electrospinning: A Novel Process Developed for High-Throughput Fabrication of Core-Sheath Fibers”. PLOS ONE, 10, 5, Pp. e0125407. doi:10.1371/journal.pone.0125407
Xuri Yan, John Marini, Robert Mulligan, Abby Deleault, Upma Sharma, Michael P. Brenner, Gregory C. Rutledge, Toby Freyman, Quynh P. Pham, and Dario Pisignano. 2015. “Slit-Surface Electrospinning: A Novel Process Developed for High-Throughput Fabrication of Core-Sheath Fibers”. PLOS ONE, 10, 5, Pp. e0125407. doi:10.1371/journal.pone.0125407
In this work, we report on the development of slit-surface electrospinning - a process that co-localizes two solutions along a slit surface to spontaneously emit multiple core-sheath cone-jets at rates of up to 1 L/h. To the best of our knowledge, this is...
Meng-Ju Sher, Niall M. Mangan, Matthew J. Smith, Yu-Ting Lin, Sophie Marbach, Tobias M. Schneider, Silvija Gradečak, Michael P. Brenner, and Eric Mazur. 2015. “Femtosecond-Laser Hyperdoping Silicon in an SF6 Atmosphere: Dopant Incorporation Mechanism”. Journal of Applied Physics, 117, 12, Pp. 125301. doi:10.1063/1.4914520
Meng-Ju Sher, Niall M. Mangan, Matthew J. Smith, Yu-Ting Lin, Sophie Marbach, Tobias M. Schneider, Silvija Gradečak, Michael P. Brenner, and Eric Mazur. 2015. “Femtosecond-Laser Hyperdoping Silicon in an SF6 Atmosphere: Dopant Incorporation Mechanism”. Journal of Applied Physics, 117, 12, Pp. 125301. doi:10.1063/1.4914520
In this paper, we examine the fundamental processes that occur during femtosecond-laser hyperdoping of silicon with a gas-phase dopant precursor. We probe the dopant concentration profile as a function of the number of laser pulses and pressure of the...
Michael P. Brenner and Pia M. Sörensen. 2015. “Biophysics of Molecular Gastronomy”. Cell, 161, 1, Pp. 5–8. doi:10.1016/j.cell.2015.03.002
Michael P. Brenner and Pia M. Sörensen. 2015. “Biophysics of Molecular Gastronomy”. Cell, 161, 1, Pp. 5–8. doi:10.1016/j.cell.2015.03.002
Chefs and scientists exploring biophysical processes have given rise to molecular gastronomy. In this Commentary, we describe how a scientific understanding of recipes and techniques facilitates the development of new textures and expands the flavor...
Yu-Ting Lin, Niall Mangan, Sophie Marbach, Tobias M. Schneider, Guoliang Deng, Shouhuan Zhou, Michael P. Brenner, and Eric Mazur. 2015. “Creating Femtosecond-Laser-Hyperdoped Silicon With a Homogeneous Doping Profile”. Applied Physics Letters, 106, 6, Pp. 062105. doi:10.1063/1.4907988
Yu-Ting Lin, Niall Mangan, Sophie Marbach, Tobias M. Schneider, Guoliang Deng, Shouhuan Zhou, Michael P. Brenner, and Eric Mazur. 2015. “Creating Femtosecond-Laser-Hyperdoped Silicon With a Homogeneous Doping Profile”. Applied Physics Letters, 106, 6, Pp. 062105. doi:10.1063/1.4907988
Femtosecond-laser hyperdoping of sulfur in silicon typically produces a concentration gradient that results in undesirable inhomogeneous material properties. Using a mathematical model of the doping process, we design a fabrication method consisting of a...
Arvind Murugan, James Zou, and Michael P. Brenner. 2015. “Undesired Usage and the Robust Self-Assembly of Heterogeneous Structures”. Nature Communications, 6, 1. doi:10.1038/ncomms7203
Arvind Murugan, James Zou, and Michael P. Brenner. 2015. “Undesired Usage and the Robust Self-Assembly of Heterogeneous Structures”. Nature Communications, 6, 1. doi:10.1038/ncomms7203
Inspired by multiprotein complexes in biology and recent successes in synthetic DNA tile and colloidal self-assembly, we study the spontaneous assembly of structures made of many kinds of components. The major challenge with achieving high assembly yield...
2014
Arvind Murugan, Zorana Zeravcic, Michael P. Brenner, and Stanislas Leibler. 2014. “Multifarious Assembly Mixtures: Systems Allowing Retrieval of Diverse Stored Structures”. Proceedings of the National Academy of Sciences, 112, 1, Pp. 54–59. doi:10.1073/pnas.1413941112
Arvind Murugan, Zorana Zeravcic, Michael P. Brenner, and Stanislas Leibler. 2014. “Multifarious Assembly Mixtures: Systems Allowing Retrieval of Diverse Stored Structures”. Proceedings of the National Academy of Sciences, 112, 1, Pp. 54–59. doi:10.1073/pnas.1413941112
Self-assembly materials are traditionally designed so that molecular or mesoscale components form a single kind of large structure. Here, we propose a scheme to create ``multifarious assembly mixtures,'' which self-assemble many different large structures...
Lucy J. Colwell, Michael P. Brenner, Andrew W. Murray, and Ben Lehner. 2014. “Conservation Weighting Functions Enable Covariance Analyses to Detect Functionally Important Amino Acids”. PLoS ONE, 9, 11, Pp. e107723. doi:10.1371/journal.pone.0107723
Lucy J. Colwell, Michael P. Brenner, Andrew W. Murray, and Ben Lehner. 2014. “Conservation Weighting Functions Enable Covariance Analyses to Detect Functionally Important Amino Acids”. PLoS ONE, 9, 11, Pp. e107723. doi:10.1371/journal.pone.0107723
The explosive growth in the number of protein sequences gives rise to the possibility of using the natural variation in sequences of homologous proteins to find residues that control different protein phenotypes. Because in many cases different phenotypes...
Zorana Zeravcic, Vinothan N. Manoharan, and Michael P. Brenner. 2014. “Size Limits of Self-Assembled Colloidal Structures Made Using Specific Interactions”. Proceedings of the National Academy of Sciences, 111, 45, Pp. 15918–15923. doi:10.1073/pnas.1411765111
Zorana Zeravcic, Vinothan N. Manoharan, and Michael P. Brenner. 2014. “Size Limits of Self-Assembled Colloidal Structures Made Using Specific Interactions”. Proceedings of the National Academy of Sciences, 111, 45, Pp. 15918–15923. doi:10.1073/pnas.1411765111
We establish size limitations for assembling structures of controlled size and shape out of colloidal particles with short-ranged interactions. Through simulations we show that structures with highly variable shapes made out of dozens of particles can...
Michael P. Brenner. 2014. “Fluid Mechanical Responses to Nutrient Depletion in Fungi and Biofilms”. Physics of Fluids, 26, 10, Pp. 101306. doi:10.1063/1.4896587
Michael P. Brenner. 2014. “Fluid Mechanical Responses to Nutrient Depletion in Fungi and Biofilms”. Physics of Fluids, 26, 10, Pp. 101306. doi:10.1063/1.4896587
In both fungi and bacterial biofilms, when nutrients are depleted, the organisms cannot physically migrate to find a new source, but instead must develop adaptations that allow them to survive. This paper reviews our work attempting to discover design...
Lucy J. Colwell, Yu Qin, Miriam Huntley, Alexander Manta, and Michael P. Brenner. 2014. “Feynman-Hellmann Theorem and Signal Identification from Sample Covariance Matrices”. Physical Review X, 4, 3. doi:10.1103/physrevx.4.031032
Lucy J. Colwell, Yu Qin, Miriam Huntley, Alexander Manta, and Michael P. Brenner. 2014. “Feynman-Hellmann Theorem and Signal Identification from Sample Covariance Matrices”. Physical Review X, 4, 3. doi:10.1103/physrevx.4.031032
A common method for extracting true correlations from large data sets is to look for variables with unusually large coefficients on those principal components with the biggest eigenvalues. Here, we show that even if the top principal components have no...
Karl R. Stapelfeldt, Michael P. Brenner, Keith R. Warfield, Frank G. Dekens, Ruslan Belikov, Paul B. Brugarolas, Geoffrey Bryden, Kerri L. Cahoy, Supriya Chakrabarti, Serge Dubovitsky, Robert T. Effinger, Brian Hirsch, Andrew Kissil, John E. Krist, Jared J. Lang, Mark S. Marley, Michael W. McElwain, Victoria S. Meadows, Joel Nissen, Jeffrey M. Oseas, Eugene Serabyn, Eric Sunada, John T. Trauger, Stephen C. Unwin, Jacobus M. Oschmann, Mark Clampin, Giovanni G. Fazio, and Howard A. MacEwen. 2014. “Exo-C: A Probe-Scale Space Mission to Directly Image and Spectroscopically Characterize Exoplanetary Systems Using an Internal Coronagraph”. In Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave. Vol. 9143. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA: American Astron Soc; Australian Astron Observatory; Assoc Univ Res Astron; Canadian Astron Soc; Canadian Space Agcy; European Astron Society; European So Observatory; Natl Radio Astron Observatory; Royal Astron Soc; Sci & Technol Facilities Council. doi:10.1117/12.2057115
Karl R. Stapelfeldt, Michael P. Brenner, Keith R. Warfield, Frank G. Dekens, Ruslan Belikov, Paul B. Brugarolas, Geoffrey Bryden, Kerri L. Cahoy, Supriya Chakrabarti, Serge Dubovitsky, Robert T. Effinger, Brian Hirsch, Andrew Kissil, John E. Krist, Jared J. Lang, Mark S. Marley, Michael W. McElwain, Victoria S. Meadows, Joel Nissen, Jeffrey M. Oseas, Eugene Serabyn, Eric Sunada, John T. Trauger, Stephen C. Unwin, Jacobus M. Oschmann, Mark Clampin, Giovanni G. Fazio, and Howard A. MacEwen. 2014. “Exo-C: A Probe-Scale Space Mission to Directly Image and Spectroscopically Characterize Exoplanetary Systems Using an Internal Coronagraph”. In Space Telescopes and Instrumentation 2014: Optical, Infrared, and Millimeter Wave. Vol. 9143. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA: American Astron Soc; Australian Astron Observatory; Assoc Univ Res Astron; Canadian Astron Soc; Canadian Space Agcy; European Astron Society; European So Observatory; Natl Radio Astron Observatory; Royal Astron Soc; Sci & Technol Facilities Council. doi:10.1117/12.2057115
``Exo-C'' is NASA's first community study of a modest aperture space telescope designed for high contrast observations of exoplanetary systems. The mission will be capable of taking optical spectra of nearby exoplanets in reflected light, discover...
Sarah V. Kostinski, Elizabeth R. Chen, and Michael P. Brenner. 2014. “Characterization of Patterns Formed by Shadows of Spheres”. Physical Review Letters, 112, 23. doi:10.1103/physrevlett.112.235502
Sarah V. Kostinski, Elizabeth R. Chen, and Michael P. Brenner. 2014. “Characterization of Patterns Formed by Shadows of Spheres”. Physical Review Letters, 112, 23. doi:10.1103/physrevlett.112.235502
Motivated by colloidal lithography, we study the problem of characterizing periodic planar patterns formed by shadows of spheres. The set of patterns accessible to shadow lithography spanned by lattice types, tilt, and rotation angles is rich, but...