Alan H. Tkaczyk
University of Michigan
11 Papers
200 Citations
Alan H. Tkaczyk is an academic researcher from University of Michigan. The author has contributed to research in topics: Electrowetting & Microfluidics. The author has an hindex of 8, co-authored 11 publications. Previous affiliations of Alan H. Tkaczyk include University of Tartu.
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Papers
Electrowetting of ionic liquids.
TL;DR: It is successfully demonstrated that imidazolium- and pyrrolidinium-based commercial room-temperature ionic liquids can electrowet (with a dc voltage) a smooth fluoropolymer (Teflon AF1600) surface.
166
Reversible switching of high-speed air-liquid two-phase flows using electrowetting-assisted flow-pattern change.
Dongeun Huh,Dongeun Huh,Alan H. Tkaczyk,Joong Hwan Bahng,Yu Chang,Hsien Hung Wei,J. B. Grotberg,Chang-Jin Kim,Katsuo Kurabayashi,Shuichi Takayama +9 more
TL;DR: This work is the first demonstration of electrical modulation of surface energy to reversibly switch dynamic high-speed gas-liquid two-phase microfluidic flow patterns, and offers new opportunities for the development of two- phase biochemical microsystems that are mechanically simple and operational at high speeds.
97
Micro- and Nanotechnologies for Studying Cellular Function
Jeongsup Shim,Tommaso F. Bersano-Begey,Xiaoyue Zhu,Alan H. Tkaczyk,Jennifer J. Linderman,Shuichi Takayama +5 more
TL;DR: Recent advances in the use of micro- and nanotechnologies in the study of complex biological systems and the advantages they provide in these two areas are reviewed.
56
Control of the blue fluorescent protein with advanced evolutionary pulse shaping.
Eric R. Tkaczyk,Koit Mauring,Alan H. Tkaczyk,Alan H. Tkaczyk,V. Krasnenko,Jing Yong Ye,James R. Baker,Theodore B. Norris +7 more
TL;DR: Using a genetic algorithm with a multiplicative (rather than ratiometric) fitness parameter, this work is able to control the ratio of BFP fluorescence to second-harmonic generation without a considerable drop in the maximized signal.
15
Extended cavity laser enhanced two-photon flow cytometry
Eric R. Tkaczyk,Alan H. Tkaczyk,Steve M. Katnik,Jing Yong Ye,Kathryn E. Luker,Gary D. Luker,Andrzej Myc,James R. Baker,Theodore B. Norris +8 more
TL;DR: Enhanced sensitivity in two-photon flow cytometry with an extended cavity laser excitation source is demonstrated and a geometrical model is used to explain unique features of the signals resulting from the different spatial distribution of DiD and GFP.