Name: origami inspired self-assembly of patterned and reconfigurable particles
Uploaded: 2013-02-04T09:53:00
Duration: 12 min 33 s
Description: Watch this Scientific Journal Video about Origami Inspired Self-assembly of Patterned and Reconfigurable Particles at JoVE.com

Wij erkennen de financiering van de NSF door middel van subsidies CMMI 0854881 en CBET 1066898. De auteurs danken Matthew Mullens voor nuttige suggesties.

<ol>
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Geen belangenconflicten verklaard.

Onze origami geïnspireerde assemblageproces is veelzijdig en kan worden gebruikt voor het synthetiseren van diverse 3D statische en herconfigureerbare deeltjes met uiteenlopende materialen, vormen en afmetingen. Verder is de mogelijkheid om precies patroon sensoren en elektronische modules op deze deeltjes is belangrijk voor optiek en elektronica. In tegenstelling tot fragmentarisch deeltjes gevormd door andere methoden, waar patronen betrekkelijk onnauwkeurig Deze werkwijze biedt de mogelijkheid om precies gevormde deeltjes te synthetiseren. In oppervlaktespanning gebaseerde montage, het gebruik van vloeibaar afdichting scharnieren zodat de deeltjes goed afgesloten en mechanisch star na montage (bij afkoeling). Eerder hebben we geconstateerd dat de naden zijn lekdicht, zelfs voor kleine moleculen 39,40. Elektrodepositie van een dunne laag Au na montage kunnen aanvullende sterkte en verbeteren de lekvrije aard van de naden. De dunne film stress based vouwen is nuttig voor toepassingen waarbij stimuli responsieve vouwen vereist zoals in microgrippers die zijn gebruikt voor het uitvoeren in vitro en in vivo biologische bemonstering en in pick-and-place operaties in robotica. De specifieke methode beschreven kan worden gebruikt om herconfigureerbare microgrippers dat eenmaal dicht maken, kan de juiste keuze van materialen en methoden spanning manipuleren bilagen worden gebruikt om ook grijpinrichtingen die kunnen worden omgevormd over meerdere cycli 37, 41. Het hoogtepunt van het gebruik van de restspanning op de macht van deze apparaten is dat ze geen tuiers of draden nodig en hebben dus een uitstekende manoeuvreerbaarheid aan activering in te schakelen in moeilijk bereikbare plaatsen. Verder kan door een geschikte keuze van polymère triggers kan stimuli-responsieve gedrag ingeschakeld met verschillende stimuli waaronder enzymen 42 tot autonome functie van belang zijn robotica en chirurgie mogelijk.

<table border="1"><tbody><tr><td> Naam van het reagens </td><td> Vennootschap </td><td> Catalogusnummer </td><td> Reacties </td></tr><tr><td> 950 Poly methylmethacrylaat A11 </td><td> Micro Chem </td><td> M230011 </td><td> Sacrificial laag </td></tr><tr><td> Verchroomde wolfraam staven </td><td> RD Mathis Company </td><td> CRW-2 </td><td> Verdampingsbron voor Cr </td></tr><tr><td> Koper slug </td><td> Alfa Aesar </td><td> 7440-50-8 </td><td> Verdampingsbron voor Cu </td></tr><tr><td> Gold slug </td><td> Alfa Aesar </td><td> 7440-57-5 </td><td> Verdampingsbron voor Au </td></tr><tr><td> SPR 220 7.0 </td><td> Rohm and Haas </td><td> 10016640 </td><td> Positieve fotoresist </td></tr><tr><td> S 1800-serie lichtgevoelige </td><td> Rohm and Hass </td><td></td><td> Positieve photoresist </td></tr><tr><td> Megaposit MF-26 Een ontwikkelaar </td><td> Rohm and Haas </td><td> 10016574 </td><td> Ontwikkelaar voor SPR 220 7.0 fotolak </td></tr><tr><td> Microposit 351 developer </td><td> Rohm and Hass </td><td> 10016653 </td><td> Ontwikkelaar voor S 1800-serie lichtgevoelige </td></tr><tr><td> Nikkel sulfamaat </td><td> Technic Inc </td><td> 030175 </td><td> Plateeroplossing voor Ni </td></tr><tr><td> Techni Soldeer Mate NF 820 60/40 RTU </td><td> Technic Inc </td><td> 330681 </td><td> Plateeroplossing voor Pb-Sn scharnieren </td></tr><tr><td> APS 100 Koper etsmiddel </td><td> Transene Company Inc </td><td> 021221 </td><td> Koper etsmiddel </td></tr><tr><td> CRE 473 Chroom etsmiddel </td><td> Transene Company Inc </td><td> 040901 </td><td> Chroom etsmiddel </td></tr><tr><td> 1-Methyl-2-Pyrollidinone (NMP) </td><td> Sigma-Aldrich </td><td> M79603 </td><td> Hoog kookpunt organisch oplosmiddel voor Pb-Sn scharnier gebaseerd zelf-vouwen </td></tr><tr><td> Indalloy 5RMA flux </td><td> Indium Corporation of America </td><td> FL28372 </td><td> Chemische stof die het soldeer oppervlak reinigt en remt oxidatie voor een goede Pb-Sn reflow </td></tr></tbody></table>

origami inspired self-assembly of patterned and reconfigurable particles

Er zijn tal van technieken zoals fotolithografie, electron-beam lithografie en zachte lithografie die kunnen worden gebruikt om nauwkeurig patroon tweedimensionale (2D) structuren. Deze technologieën zijn volwassen, bieden een hoge precisie en veel van hen kunnen worden uitgevoerd in een high-throughput manier. We maken gebruik van de voordelen van vlakke lithografie en combineer ze met zichzelf vouwmethoden 1 tot 20, waarin fysieke krachten afgeleid van de oppervlaktespanning en restspanning, zijn te buigen of vouwen vlakke structuren gebruikt in drie dimensionale (3D) structuren. Daarbij maken we het mogelijk om de massa te produceren nauwkeurig patroon statische en herconfigureerbare deeltjes die zijn uitdagend te synthetiseren. In deze paper wordt detail gevisualiseerd experimentele protocollen patroon deeltjes te creëren, met name, (a) permanent gebonden, holle, veelvlakken die zichzelf assembleren en zelf-seal te wijten aan de minimalisering van oppervlakte-energie van vloeibaar scharnieren éénentwintig-drieëntwintigen (b) grijpers die self-voudig door restspanning aangedreven scharnieren 24,25. De beschreven specifieke protocol kan worden gebruikt om deeltjes met totale afmetingen die variëren van de micrometer op de centimeter lengteschalen maken. Verder kan willekeurige patronen worden gedefinieerd op de oppervlakken van de deeltjes van belang in colloïdale, elektronica, optica en geneeskunde. Meer in het algemeen, het concept van zelf-assemblage mechanisch stijve deeltjes met zelfdichtende scharnieren van toepassing is, met enkele wijzigingen in het proces, tot de oprichting van deeltjes op nog kleinere, 100 nm lengteschalen 22, 26 en met een scala aan materialen, waaronder metalen 21 , halfgeleiders 9 en polymeren 27. Met betrekking tot de restspanning aangedreven aandrijving van herconfigureerbare grijpinrichtingen, onze specifieke protocol gebruikt chroom scharnieren van belang voor apparaten met een formaat van 100 urn tot 2,5 mm. Echter, meer in het algemeen het idee van deze ketting zonder restspanningaangedreven bediening kan worden gebruikt met afwisselend hoge stress materialen zoals gedeponeerd heteroepitaxially halfgeleiderfilms 5,7 to mogelijk maken nog kleinere nanoschaal grijpinrichtingen.

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Origami Inspired Self-assembly of Patterned and Reconfigurable Particles

We beschrijven experimentele details van de synthese van patronen en herconfigureerbare deeltjes van tweedimensionale (2D) precursors. Deze methodologie kan worden gebruikt om deeltjes te maken in een verscheidenheid van vormen zoals veelvlakken en grijpinrichtingen bij lengteschalen variërend van micro tot centimeter schaal.

Origami Inspired Zelf-assemblage van Patterned en Herconfigureerbare Deeltjes

There are numerous techniques such as photolithography, electron-beam lithography and soft-lithography that can be used to precisely pattern two ...

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Chemistry

Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides

Vorming van Bestelde Biomoleculaire structuren door de zelf-assemblage van korte peptiden

In nature, complex functional structures are formed by the self-assembly of biomolecules under mild conditions. Understanding the forces that control ...

Self-assembly of Complex Two-dimensional Shapes from Single-stranded DNA Tiles

Zelf-assemblage van Complex Tweedimensionaal Vormen van enkelstrengs DNA Tiles

Current methods in DNA nano-architecture have successfully engineered a variety of 2D and 3D structures using principles of self-assembly. In this ...

Preparation of Mica and Silicon Substrates for DNA Origami Analysis and Experimentation

Voorbereiding van Mica en Silicon substraten voor DNA Origami Analyse en Experimentation

The designed nature and controlled, one-pot synthesis of DNA origami provides exciting opportunities in many fields, particularly nanoelectronics. Many of ...

Grafting Multiwalled Carbon Nanotubes with Polystyrene to Enable Self-Assembly and Anisotropic Patchiness

Multiwalled koolstof Nanotubes met polystyreen om zelf-assemblage en anisotrope vlekkerigheid enten

We demonstrate a straightforward protocol to graft pristine multiwalled carbon nanotubes (MWCNTs) with polystyrene (PS) chains at the sidewalls through a ...

Liquid-cell Transmission Electron Microscopy for Tracking Self-assembly of Nanoparticles

Vloeistof-cel transmissie-elektronenmicroscopie voor Tracking zelf-assemblage van nanodeeltjes

Drying a nanoparticle dispersion is a versatile way to create self-assembled structures of nanoparticles, but the mechanism of this process is not fully ...

Fabrication of Spherical and Worm-shaped Micellar Nanocrystals by Combining Electrospray, Self-assembly, and Solvent-based Structure Control

Fabricage van bolvormig en Worm-vormige micellaire nanokristallen door het combineren van Electrospray, zelf-assemblage en controle van de structuur op basis van oplosmiddel

Micellar nanocrystals (micelles with encapsulated nanocrystals) have become an emerging major class of nanobiomaterials. We describe a method of ...

Bio-inspired Polydopamine Surface Modification of Nanodiamonds and Its Reduction of Silver Nanoparticles

Bio-inspired Polydopamine oppervlak wijziging van Nanodiamonds en de vermindering van zilveren nanodeeltjes

Surface functionalization of nanodiamonds (NDs) is still challenging due to the diversity of functional groups on the ND surfaces. Here, we demonstrate a ...

Gene-therapy Inspired Polycation Coating for Protection of DNA Origami Nanostructures

Gentherapie geïnspireerd Polycation Coating voor bescherming van DNA Origami nanostructuren

DNA origami nanostructures hold an immense potential to be used for biological and medical applications. However, low-salt conditions and nucleases in ...

Synthesis of Monodisperse Cylindrical Nanoparticles via Crystallization-driven Self-assembly of Biodegradable Block Copolymers

Synthese van monodispers cilindrische nanodeeltjes via kristallisatie-gedreven zelf-assemblage van biologisch afbreekbaar blok copolymeren

The production of monodisperse cylindrical micelles is a significant challenge in polymer chemistry. Most cylindrical constructs formed from diblock ...

DNA Origami-Mediated Substrate Nanopatterning of Inorganic Structures for Sensing Applications

DNA origami-gemedieerde substraat nano-Atterning van anorganische structuren voor sensing toepassingen

Structural DNA nanotechnology provides a viable route for building from the bottom-up using DNA as construction material. The most common DNA ...