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DNA-RNA

Goddard, William A., III (2021) DNA-RNA. In: Computational Materials, Chemistry, and Biochemistry: From Bold Initiatives to the Last Mile. Springer Series in Materials Science. No.284. Springer International Publishing , Cham, pp. 1325-1330. ISBN 978-3-030-18777-4. https://resolver.caltech.edu/CaltechAUTHORS:20210126-155318866

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Abstract

We carried out the first simulations of Ned Seeman’s DNA crossover structures that laid out how to do self-assembly with DNA [#594, 651, 707, 1182]. Tod Pascal studied the branched three-way junction [#995] where he found that the stable structure is strongly affected by salt concentration and by the ratio of MgCl₂ to NaCl [995]. He also applied 2PT method to calculate the entropy and free energy changes during the rearrangement showing that the barrier is entropic. While he was a materials science graduate student, Si-Ping Han used DNA origami to self-organize carbon nanotubes (CNT) into field-effect transistors. In addition he used DNA to organize CNTs into parallel bundles. But, the major breakthrough in nucleic acid devices was Si-Ping Han’s idea to develop a dual double helix of RNA we refer to a conditional siRNA (cond-siRNA). This incorporates a sensor element targeted to say HIV or AML that in turn serves as a logic device that only in the cells expressing proteins for this virus disassembles to release a 23 RNA fragment that incorporates into the dicer element of the ribosome to kill the cell by preventing expression of a protein vital to the cell. This promises to enable very selectively killing of diseased cells while not affecting adjacent cells that do not have the virus.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/978-3-030-18778-1_69DOIArticle
ORCID:
AuthorORCID
Goddard, William A., III0000-0003-0097-5716
Additional Information:© Springer Nature Switzerland AG 2021. First Online: 26 January 2021.
Other Numbering System:
Other Numbering System NameOther Numbering System ID
WAG1464
Series Name:Springer Series in Materials Science
Issue or Number:284
Record Number:CaltechAUTHORS:20210126-155318866
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20210126-155318866
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:107737
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:27 Jan 2021 00:24
Last Modified:06 Jun 2021 08:13

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