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LASSP & AEP Seminar - Paul Chaikin - NYU

Tuesday, October 1, 2019 at 4:00pm

700 Clark Hall

Hosted by Itai Cohen

Artificial Life, Self-replication, Exponential growth, Directed evolution and Freeform Colloidal Architecture with DNA Origami

Self-replication and evolution under selective pressure are inherent phenomena in life, but few artificial systems exhibit these phenomena. We have designed a process and a system of DNA origami tiles that exponentially replicate a seed pattern, doubling (or more) the copies in each diurnal-like cycle of temperature and UV illumination, producing more than 7 million copies in 24 cycles.  We demonstrate environmental selection in growing populations by incorporating pH sensitive binding in two sub-populations. We also use DNA origami to self-assemble complex arrangements of colloids and emulsion droplets with highly specific geometry showing control over valence, position, dihedral angles and chirality.

Poster

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Event Type

Seminar

Departments

LASSP, Applied and Engineering Physics

Tags

lassp_and_aep_seminar

Contact E-Mail

lmr268@cornell.edu

Contact Name

Lea Reagan

Contact Phone

6072559684

Speaker

Paul Chaikin

Speaker Affiliation

NYU

Dept. Web Site

http://as.nyu.edu/content/nyu-as/as/faculty/paul-chaikin.html

Open To

Public

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