Controlled crystallization of twinned crystalline guanine microplatelets
Biogenic twinned microplatelets of the anhydrous guanine (AG) form have been found in copepod cuticles and scallop eyes, which function as multilayer reflectors. In this work, twinned AG microplatelets with morphologies such as cross-shape and square-shape were synthesized for the first time in the...
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| Veröffentlicht in: | CrystEngComm 2019, Vol.21 (42), p.6346-6353 |
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| creator | Ma, Yurong Chen, Fenghua Hu, Yiran Liu, Yanan Qi, Limin |
| description | Biogenic twinned microplatelets of the anhydrous guanine (AG) form have been found in copepod cuticles and scallop eyes, which function as multilayer reflectors. In this work, twinned AG microplatelets with morphologies such as cross-shape and square-shape were synthesized for the first time in the presence of a polyvinylpyrrolidone additive in formamide and water. The twinning angle of the two
c
diffraction vectors (84) for the synthetic twinned guanine crystals is very similar to that of biogenic twinned guanine microplatelets observed in scallop eyes. The angles between the two observed
c
diffraction vectors of the synthetic twinned AG form microplatelets were about 84 and 20, while a twinning angle of 84 was observed in the biogenic twinned guanine microplatelets exposing the (100) face. We proposed a formation mechanism for the twinned guanine microplatelet crystals. The formation of the twinned crystals with angles of 84 and 20 between the
c
diffraction vectors might be related to the attachment of G-quartet molecular assemblies on the guanine plate-like crystals with a certain angle at the early stage of crystallization.
In this work, twinned anhydrous guanine microplatelets were synthesized for the first time in the presence of a polyvinylpyrrolidone. The twinning angle of the two
c
axes for the synthetic and biogenic twinned guanine crystals is 84, very similar to each other. |
| doi_str_mv | 10.1039/c9ce00920e |
| format | Article |
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c
diffraction vectors (84) for the synthetic twinned guanine crystals is very similar to that of biogenic twinned guanine microplatelets observed in scallop eyes. The angles between the two observed
c
diffraction vectors of the synthetic twinned AG form microplatelets were about 84 and 20, while a twinning angle of 84 was observed in the biogenic twinned guanine microplatelets exposing the (100) face. We proposed a formation mechanism for the twinned guanine microplatelet crystals. The formation of the twinned crystals with angles of 84 and 20 between the
c
diffraction vectors might be related to the attachment of G-quartet molecular assemblies on the guanine plate-like crystals with a certain angle at the early stage of crystallization.
In this work, twinned anhydrous guanine microplatelets were synthesized for the first time in the presence of a polyvinylpyrrolidone. The twinning angle of the two
c
axes for the synthetic and biogenic twinned guanine crystals is 84, very similar to each other.</description><identifier>ISSN: 1466-8033</identifier><identifier>EISSN: 1466-8033</identifier><identifier>DOI: 10.1039/c9ce00920e</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Crystallization ; Crystals ; Diffraction ; Morphology ; Multilayers ; Polyvinylpyrrolidone ; Reflectors ; Twinning</subject><ispartof>CrystEngComm, 2019, Vol.21 (42), p.6346-6353</ispartof><rights>Copyright Royal Society of Chemistry 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c384t-ee9556d4cf8dccbcb3392a8ccb14623054fa60ebb2a03b856650c7dff4fde2193</citedby><cites>FETCH-LOGICAL-c384t-ee9556d4cf8dccbcb3392a8ccb14623054fa60ebb2a03b856650c7dff4fde2193</cites><orcidid>0000-0002-2432-5614 ; 0000-0003-4959-6928</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>Ma, Yurong</creatorcontrib><creatorcontrib>Chen, Fenghua</creatorcontrib><creatorcontrib>Hu, Yiran</creatorcontrib><creatorcontrib>Liu, Yanan</creatorcontrib><creatorcontrib>Qi, Limin</creatorcontrib><title>Controlled crystallization of twinned crystalline guanine microplatelets</title><title>CrystEngComm</title><description>Biogenic twinned microplatelets of the anhydrous guanine (AG) form have been found in copepod cuticles and scallop eyes, which function as multilayer reflectors. In this work, twinned AG microplatelets with morphologies such as cross-shape and square-shape were synthesized for the first time in the presence of a polyvinylpyrrolidone additive in formamide and water. The twinning angle of the two
c
diffraction vectors (84) for the synthetic twinned guanine crystals is very similar to that of biogenic twinned guanine microplatelets observed in scallop eyes. The angles between the two observed
c
diffraction vectors of the synthetic twinned AG form microplatelets were about 84 and 20, while a twinning angle of 84 was observed in the biogenic twinned guanine microplatelets exposing the (100) face. We proposed a formation mechanism for the twinned guanine microplatelet crystals. The formation of the twinned crystals with angles of 84 and 20 between the
c
diffraction vectors might be related to the attachment of G-quartet molecular assemblies on the guanine plate-like crystals with a certain angle at the early stage of crystallization.
In this work, twinned anhydrous guanine microplatelets were synthesized for the first time in the presence of a polyvinylpyrrolidone. The twinning angle of the two
c
axes for the synthetic and biogenic twinned guanine crystals is 84, very similar to each other.</description><subject>Crystallization</subject><subject>Crystals</subject><subject>Diffraction</subject><subject>Morphology</subject><subject>Multilayers</subject><subject>Polyvinylpyrrolidone</subject><subject>Reflectors</subject><subject>Twinning</subject><issn>1466-8033</issn><issn>1466-8033</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNpNkEFLxDAQhYMouK5evAsFb0J10qS1OUpZXWHBi55Lmk6kSzapSRZZf71ZK7qn92C-mXk8Qi4p3FJg4k4JhQCiADwiM8qrKq-BseMDf0rOQlgDUE4pzMiycTZ6Zwz2mfK7EKUxw5eMg7OZ01n8HKw9HFnM3rfS7nUzKO9GIyMajOGcnGhpAl786py8PS5em2W-enl6bh5WuWI1jzmiKMuq50rXvVKd6hgThayTTQkLBiXXsgLsukIC6-qyqkpQ973WXPdYUMHm5Hq6O3r3scUQ27XbeptetmldFIILXibqZqJSxBA86nb0w0b6XUuh3TfVNqJZ_DS1SPDVBPug_rj_Jtk39rxnDg</recordid><startdate>2019</startdate><enddate>2019</enddate><creator>Ma, Yurong</creator><creator>Chen, Fenghua</creator><creator>Hu, Yiran</creator><creator>Liu, Yanan</creator><creator>Qi, Limin</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-2432-5614</orcidid><orcidid>https://orcid.org/0000-0003-4959-6928</orcidid></search><sort><creationdate>2019</creationdate><title>Controlled crystallization of twinned crystalline guanine microplatelets</title><author>Ma, Yurong ; Chen, Fenghua ; Hu, Yiran ; Liu, Yanan ; Qi, Limin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c384t-ee9556d4cf8dccbcb3392a8ccb14623054fa60ebb2a03b856650c7dff4fde2193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Crystallization</topic><topic>Crystals</topic><topic>Diffraction</topic><topic>Morphology</topic><topic>Multilayers</topic><topic>Polyvinylpyrrolidone</topic><topic>Reflectors</topic><topic>Twinning</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ma, Yurong</creatorcontrib><creatorcontrib>Chen, Fenghua</creatorcontrib><creatorcontrib>Hu, Yiran</creatorcontrib><creatorcontrib>Liu, Yanan</creatorcontrib><creatorcontrib>Qi, Limin</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>CrystEngComm</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ma, Yurong</au><au>Chen, Fenghua</au><au>Hu, Yiran</au><au>Liu, Yanan</au><au>Qi, Limin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Controlled crystallization of twinned crystalline guanine microplatelets</atitle><jtitle>CrystEngComm</jtitle><date>2019</date><risdate>2019</risdate><volume>21</volume><issue>42</issue><spage>6346</spage><epage>6353</epage><pages>6346-6353</pages><issn>1466-8033</issn><eissn>1466-8033</eissn><abstract>Biogenic twinned microplatelets of the anhydrous guanine (AG) form have been found in copepod cuticles and scallop eyes, which function as multilayer reflectors. In this work, twinned AG microplatelets with morphologies such as cross-shape and square-shape were synthesized for the first time in the presence of a polyvinylpyrrolidone additive in formamide and water. The twinning angle of the two
c
diffraction vectors (84) for the synthetic twinned guanine crystals is very similar to that of biogenic twinned guanine microplatelets observed in scallop eyes. The angles between the two observed
c
diffraction vectors of the synthetic twinned AG form microplatelets were about 84 and 20, while a twinning angle of 84 was observed in the biogenic twinned guanine microplatelets exposing the (100) face. We proposed a formation mechanism for the twinned guanine microplatelet crystals. The formation of the twinned crystals with angles of 84 and 20 between the
c
diffraction vectors might be related to the attachment of G-quartet molecular assemblies on the guanine plate-like crystals with a certain angle at the early stage of crystallization.
In this work, twinned anhydrous guanine microplatelets were synthesized for the first time in the presence of a polyvinylpyrrolidone. The twinning angle of the two
c
axes for the synthetic and biogenic twinned guanine crystals is 84, very similar to each other.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/c9ce00920e</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-2432-5614</orcidid><orcidid>https://orcid.org/0000-0003-4959-6928</orcidid></addata></record> |
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| identifier | ISSN: 1466-8033 |
| ispartof | CrystEngComm, 2019, Vol.21 (42), p.6346-6353 |
| issn | 1466-8033 1466-8033 |
| language | eng |
| recordid | cdi_crossref_primary_10_1039_C9CE00920E |
| source | Royal Society Of Chemistry Journals; Alma/SFX Local Collection |
| subjects | Crystallization Crystals Diffraction Morphology Multilayers Polyvinylpyrrolidone Reflectors Twinning |
| title | Controlled crystallization of twinned crystalline guanine microplatelets |
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