In vitro Self-Assembly of Gold Nanoparticle-Coated Poly(3-hydroxybutyrate) Granules Exhibiting Plasmon-Induced Thermo-Optical Enhancements
Polyhydroxyalkanoate (PHA) synthase attached to gold nanoparticles (AuNP) produce poly(3-hydroxybutyrate) (PHB) upon the addition of 3-hydroxybutyrate-CoA, and then coalesce to form micrometer-sized AuNP-coated PHB granules. These AuNP-coated PHB granules are potential theranostic agents that have e...
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| Veröffentlicht in: | ACS applied materials & interfaces 2010-07, Vol.2 (7), p.1804-1810 |
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| container_title | ACS applied materials & interfaces |
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| creator | Rey, Diego A Strickland, Aaron D Kirui, Dickson Niamsiri, Nuttawee Batt, Carl A |
| description | Polyhydroxyalkanoate (PHA) synthase attached to gold nanoparticles (AuNP) produce poly(3-hydroxybutyrate) (PHB) upon the addition of 3-hydroxybutyrate-CoA, and then coalesce to form micrometer-sized AuNP-coated PHB granules. These AuNP-coated PHB granules are potential theranostic agents that have enhanced imaging capabilities and are capable of heating upon near-infrared laser irradiation. The AuNP-coated PHB exhibited 11-fold enhancement in surface-enhanced Raman scattering over particles prior polymerization. Stained AuNP-coated PHB exhibited a 6-fold enhancement in fluorescence intensity as well as a 1.3-fold decrease in photobleaching rate compared to PHB granules alone. The granules were also shown to emit heat when illuminated at 808 nm with a 3.9-fold increase in heating rate compared to particles alone. |
| doi_str_mv | 10.1021/am100306m |
| format | Article |
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These AuNP-coated PHB granules are potential theranostic agents that have enhanced imaging capabilities and are capable of heating upon near-infrared laser irradiation. The AuNP-coated PHB exhibited 11-fold enhancement in surface-enhanced Raman scattering over particles prior polymerization. Stained AuNP-coated PHB exhibited a 6-fold enhancement in fluorescence intensity as well as a 1.3-fold decrease in photobleaching rate compared to PHB granules alone. 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Mater. Interfaces</addtitle><description>Polyhydroxyalkanoate (PHA) synthase attached to gold nanoparticles (AuNP) produce poly(3-hydroxybutyrate) (PHB) upon the addition of 3-hydroxybutyrate-CoA, and then coalesce to form micrometer-sized AuNP-coated PHB granules. These AuNP-coated PHB granules are potential theranostic agents that have enhanced imaging capabilities and are capable of heating upon near-infrared laser irradiation. The AuNP-coated PHB exhibited 11-fold enhancement in surface-enhanced Raman scattering over particles prior polymerization. Stained AuNP-coated PHB exhibited a 6-fold enhancement in fluorescence intensity as well as a 1.3-fold decrease in photobleaching rate compared to PHB granules alone. The granules were also shown to emit heat when illuminated at 808 nm with a 3.9-fold increase in heating rate compared to particles alone.</description><subject>Fluorescence</subject><subject>Gold - chemistry</subject><subject>Hot Temperature</subject><subject>Hydroxybutyrates - chemistry</subject><subject>Lasers</subject><subject>Metal Nanoparticles - chemistry</subject><subject>Optics and Photonics - methods</subject><subject>Particle Size</subject><subject>Polyesters - chemistry</subject><subject>Surface Properties</subject><issn>1944-8244</issn><issn>1944-8252</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkE1v1DAQhi0EoqVw4A8gXxD0YPBXss6xWi3LShWtRDlHE3vCpvLHYidV8xf41QRt2ROXmdHomUeal5C3gn8SXIrPEATnitfhGTkXjdbMyEo-P81an5FXpdxzXivJq5fkbKl1JZQ4J793kT4MY070O_qeXZWCofMzTT3dJu_oN4jpAHkcrEe2TjCio7fJzx8V288up8e5m8Y5L_tLus0QJ4-Fbh73QzeMQ_xJbz2UkCLbRTfZ5fZujzkkdnNYjODpJu4hWgwYx_KavOjBF3zz1C_Ijy-bu_VXdn2z3a2vrhkow0emta4BpJG1NqYRUOlOy8ZJY7loetWhlsgr1RuHCpxCJWqHK2GUqLhtrFUX5MPRe8jp14RlbMNQLHoPEdNU2pU2jeKrSi3k5ZG0OZWSsW8PeQiQ51bw9m_y7Sn5hX33ZJ26gO5E_ot6Ad4fAbClvU9TjsuT_xH9AZ3Qi1k</recordid><startdate>20100728</startdate><enddate>20100728</enddate><creator>Rey, Diego A</creator><creator>Strickland, Aaron D</creator><creator>Kirui, Dickson</creator><creator>Niamsiri, Nuttawee</creator><creator>Batt, Carl A</creator><general>American Chemical Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20100728</creationdate><title>In vitro Self-Assembly of Gold Nanoparticle-Coated Poly(3-hydroxybutyrate) Granules Exhibiting Plasmon-Induced Thermo-Optical Enhancements</title><author>Rey, Diego A ; Strickland, Aaron D ; Kirui, Dickson ; Niamsiri, Nuttawee ; Batt, Carl A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a380t-4446aa282648891a54b429d28c019f3be42e053f8de3ad3e316de7183150c9cc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Fluorescence</topic><topic>Gold - chemistry</topic><topic>Hot Temperature</topic><topic>Hydroxybutyrates - chemistry</topic><topic>Lasers</topic><topic>Metal Nanoparticles - chemistry</topic><topic>Optics and Photonics - methods</topic><topic>Particle Size</topic><topic>Polyesters - chemistry</topic><topic>Surface Properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Rey, Diego A</creatorcontrib><creatorcontrib>Strickland, Aaron D</creatorcontrib><creatorcontrib>Kirui, Dickson</creatorcontrib><creatorcontrib>Niamsiri, Nuttawee</creatorcontrib><creatorcontrib>Batt, Carl A</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>ACS applied materials & interfaces</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Rey, Diego A</au><au>Strickland, Aaron D</au><au>Kirui, Dickson</au><au>Niamsiri, Nuttawee</au><au>Batt, Carl A</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In vitro Self-Assembly of Gold Nanoparticle-Coated Poly(3-hydroxybutyrate) Granules Exhibiting Plasmon-Induced Thermo-Optical Enhancements</atitle><jtitle>ACS applied materials & interfaces</jtitle><addtitle>ACS Appl. Mater. Interfaces</addtitle><date>2010-07-28</date><risdate>2010</risdate><volume>2</volume><issue>7</issue><spage>1804</spage><epage>1810</epage><pages>1804-1810</pages><issn>1944-8244</issn><eissn>1944-8252</eissn><abstract>Polyhydroxyalkanoate (PHA) synthase attached to gold nanoparticles (AuNP) produce poly(3-hydroxybutyrate) (PHB) upon the addition of 3-hydroxybutyrate-CoA, and then coalesce to form micrometer-sized AuNP-coated PHB granules. These AuNP-coated PHB granules are potential theranostic agents that have enhanced imaging capabilities and are capable of heating upon near-infrared laser irradiation. The AuNP-coated PHB exhibited 11-fold enhancement in surface-enhanced Raman scattering over particles prior polymerization. Stained AuNP-coated PHB exhibited a 6-fold enhancement in fluorescence intensity as well as a 1.3-fold decrease in photobleaching rate compared to PHB granules alone. The granules were also shown to emit heat when illuminated at 808 nm with a 3.9-fold increase in heating rate compared to particles alone.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>20565131</pmid><doi>10.1021/am100306m</doi><tpages>7</tpages></addata></record> |
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| source | MEDLINE; American Chemical Society Journals |
| subjects | Fluorescence Gold - chemistry Hot Temperature Hydroxybutyrates - chemistry Lasers Metal Nanoparticles - chemistry Optics and Photonics - methods Particle Size Polyesters - chemistry Surface Properties |
| title | In vitro Self-Assembly of Gold Nanoparticle-Coated Poly(3-hydroxybutyrate) Granules Exhibiting Plasmon-Induced Thermo-Optical Enhancements |
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