Cooperative linear cargo transport with molecular spiders
Abstract Molecular spiders are nanoscale walkers made with DNA enzyme legs attached to a common body. They move over a surface of DNA substrates, cleaving them and leaving behind product DNA strands, which they are able to revisit. Simple one-dimensional models of spider motion show significant supe...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Semenov, Oleg [verfasserIn] |
|---|
| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2012 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media Dordrecht 2012 |
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| Übergeordnetes Werk: |
Enthalten in: Natural computing - Springer Netherlands, 2002, 12(2012), 2 vom: 09. Nov., Seite 259-276 |
|---|---|
| Übergeordnetes Werk: |
volume:12 ; year:2012 ; number:2 ; day:09 ; month:11 ; pages:259-276 |
| Links: |
|---|
| DOI / URN: |
10.1007/s11047-012-9357-2 |
|---|
| Katalog-ID: |
OLC2072672449 |
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| 520 | |a Abstract Molecular spiders are nanoscale walkers made with DNA enzyme legs attached to a common body. They move over a surface of DNA substrates, cleaving them and leaving behind product DNA strands, which they are able to revisit. Simple one-dimensional models of spider motion show significant superdiffusive motion when the leg-substrate bindings are longer-lived than the leg-product bindings. This gives the spiders potential as a faster-than-diffusion transport mechanism. However, analysis shows that single-spider motion eventually decays into an ordinary diffusive motion, owing to the ever increasing size of the region of cleaved products. Inspired by cooperative behavior of natural molecular walkers, we propose a symmetric exclusion process model for multiple walkers interacting as they move over a one-dimensional lattice. We show that when walkers are sequentially released from the origin, the collective effect is to prevent the leading walkers from moving too far backwards. Hence, there is an effective outward pressure on the leading walkers that keeps them moving superdiffusively for longer times, despite the growth of the product region. Multi-spider systems move faster and farther than single spiders or systems with multiple simple random walkers. | ||
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10.1007/s11047-012-9357-2 doi (DE-627)OLC2072672449 (DE-He213)s11047-012-9357-2-p DE-627 ger DE-627 rakwb eng 570 004 VZ 12 ssgn 54.28$jNichtelektronische Datenverarbeitung bkl 54.72$jKünstliche Intelligenz bkl Semenov, Oleg verfasserin aut Cooperative linear cargo transport with molecular spiders 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media Dordrecht 2012 Abstract Molecular spiders are nanoscale walkers made with DNA enzyme legs attached to a common body. They move over a surface of DNA substrates, cleaving them and leaving behind product DNA strands, which they are able to revisit. Simple one-dimensional models of spider motion show significant superdiffusive motion when the leg-substrate bindings are longer-lived than the leg-product bindings. This gives the spiders potential as a faster-than-diffusion transport mechanism. However, analysis shows that single-spider motion eventually decays into an ordinary diffusive motion, owing to the ever increasing size of the region of cleaved products. Inspired by cooperative behavior of natural molecular walkers, we propose a symmetric exclusion process model for multiple walkers interacting as they move over a one-dimensional lattice. We show that when walkers are sequentially released from the origin, the collective effect is to prevent the leading walkers from moving too far backwards. Hence, there is an effective outward pressure on the leading walkers that keeps them moving superdiffusively for longer times, despite the growth of the product region. Multi-spider systems move faster and farther than single spiders or systems with multiple simple random walkers. Molecular spider Multiple random walkers Symmetric exclusion process DNA walker Deoxyribozyme Olah, Mark J. aut Stefanovic, Darko aut Enthalten in Natural computing Springer Netherlands, 2002 12(2012), 2 vom: 09. Nov., Seite 259-276 (DE-627)36367487X (DE-600)2110258-2 (DE-576)9363674878 1567-7818 nnns volume:12 year:2012 number:2 day:09 month:11 pages:259-276 https://doi.org/10.1007/s11047-012-9357-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-MAT GBV_ILN_70 54.28$jNichtelektronische Datenverarbeitung VZ 106418858 (DE-625)106418858 54.72$jKünstliche Intelligenz VZ 10641240X (DE-625)10641240X AR 12 2012 2 09 11 259-276 |
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10.1007/s11047-012-9357-2 doi (DE-627)OLC2072672449 (DE-He213)s11047-012-9357-2-p DE-627 ger DE-627 rakwb eng 570 004 VZ 12 ssgn 54.28$jNichtelektronische Datenverarbeitung bkl 54.72$jKünstliche Intelligenz bkl Semenov, Oleg verfasserin aut Cooperative linear cargo transport with molecular spiders 2012 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media Dordrecht 2012 Abstract Molecular spiders are nanoscale walkers made with DNA enzyme legs attached to a common body. They move over a surface of DNA substrates, cleaving them and leaving behind product DNA strands, which they are able to revisit. Simple one-dimensional models of spider motion show significant superdiffusive motion when the leg-substrate bindings are longer-lived than the leg-product bindings. This gives the spiders potential as a faster-than-diffusion transport mechanism. However, analysis shows that single-spider motion eventually decays into an ordinary diffusive motion, owing to the ever increasing size of the region of cleaved products. Inspired by cooperative behavior of natural molecular walkers, we propose a symmetric exclusion process model for multiple walkers interacting as they move over a one-dimensional lattice. We show that when walkers are sequentially released from the origin, the collective effect is to prevent the leading walkers from moving too far backwards. Hence, there is an effective outward pressure on the leading walkers that keeps them moving superdiffusively for longer times, despite the growth of the product region. Multi-spider systems move faster and farther than single spiders or systems with multiple simple random walkers. Molecular spider Multiple random walkers Symmetric exclusion process DNA walker Deoxyribozyme Olah, Mark J. aut Stefanovic, Darko aut Enthalten in Natural computing Springer Netherlands, 2002 12(2012), 2 vom: 09. Nov., Seite 259-276 (DE-627)36367487X (DE-600)2110258-2 (DE-576)9363674878 1567-7818 nnns volume:12 year:2012 number:2 day:09 month:11 pages:259-276 https://doi.org/10.1007/s11047-012-9357-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-MAT GBV_ILN_70 54.28$jNichtelektronische Datenverarbeitung VZ 106418858 (DE-625)106418858 54.72$jKünstliche Intelligenz VZ 10641240X (DE-625)10641240X AR 12 2012 2 09 11 259-276 |
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Cooperative linear cargo transport with molecular spiders |
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Cooperative linear cargo transport with molecular spiders |
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Semenov, Oleg |
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Semenov, Oleg Olah, Mark J. Stefanovic, Darko |
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cooperative linear cargo transport with molecular spiders |
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Cooperative linear cargo transport with molecular spiders |
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Abstract Molecular spiders are nanoscale walkers made with DNA enzyme legs attached to a common body. They move over a surface of DNA substrates, cleaving them and leaving behind product DNA strands, which they are able to revisit. Simple one-dimensional models of spider motion show significant superdiffusive motion when the leg-substrate bindings are longer-lived than the leg-product bindings. This gives the spiders potential as a faster-than-diffusion transport mechanism. However, analysis shows that single-spider motion eventually decays into an ordinary diffusive motion, owing to the ever increasing size of the region of cleaved products. Inspired by cooperative behavior of natural molecular walkers, we propose a symmetric exclusion process model for multiple walkers interacting as they move over a one-dimensional lattice. We show that when walkers are sequentially released from the origin, the collective effect is to prevent the leading walkers from moving too far backwards. Hence, there is an effective outward pressure on the leading walkers that keeps them moving superdiffusively for longer times, despite the growth of the product region. Multi-spider systems move faster and farther than single spiders or systems with multiple simple random walkers. © Springer Science+Business Media Dordrecht 2012 |
| abstractGer |
Abstract Molecular spiders are nanoscale walkers made with DNA enzyme legs attached to a common body. They move over a surface of DNA substrates, cleaving them and leaving behind product DNA strands, which they are able to revisit. Simple one-dimensional models of spider motion show significant superdiffusive motion when the leg-substrate bindings are longer-lived than the leg-product bindings. This gives the spiders potential as a faster-than-diffusion transport mechanism. However, analysis shows that single-spider motion eventually decays into an ordinary diffusive motion, owing to the ever increasing size of the region of cleaved products. Inspired by cooperative behavior of natural molecular walkers, we propose a symmetric exclusion process model for multiple walkers interacting as they move over a one-dimensional lattice. We show that when walkers are sequentially released from the origin, the collective effect is to prevent the leading walkers from moving too far backwards. Hence, there is an effective outward pressure on the leading walkers that keeps them moving superdiffusively for longer times, despite the growth of the product region. Multi-spider systems move faster and farther than single spiders or systems with multiple simple random walkers. © Springer Science+Business Media Dordrecht 2012 |
| abstract_unstemmed |
Abstract Molecular spiders are nanoscale walkers made with DNA enzyme legs attached to a common body. They move over a surface of DNA substrates, cleaving them and leaving behind product DNA strands, which they are able to revisit. Simple one-dimensional models of spider motion show significant superdiffusive motion when the leg-substrate bindings are longer-lived than the leg-product bindings. This gives the spiders potential as a faster-than-diffusion transport mechanism. However, analysis shows that single-spider motion eventually decays into an ordinary diffusive motion, owing to the ever increasing size of the region of cleaved products. Inspired by cooperative behavior of natural molecular walkers, we propose a symmetric exclusion process model for multiple walkers interacting as they move over a one-dimensional lattice. We show that when walkers are sequentially released from the origin, the collective effect is to prevent the leading walkers from moving too far backwards. Hence, there is an effective outward pressure on the leading walkers that keeps them moving superdiffusively for longer times, despite the growth of the product region. Multi-spider systems move faster and farther than single spiders or systems with multiple simple random walkers. © Springer Science+Business Media Dordrecht 2012 |
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Cooperative linear cargo transport with molecular spiders |
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