In situ chemichromic studies of interactions between a lutetium bis-octaalkyl-substituted phthalocyanine and selected biological cofactors
Identifieur interne : 000A20 ( Main/Exploration ); précédent : 000A19; suivant : 000A21In situ chemichromic studies of interactions between a lutetium bis-octaalkyl-substituted phthalocyanine and selected biological cofactors
Auteurs : C. Pal [Royaume-Uni] ; A. N. Cammidge [Royaume-Uni] ; M. J. Cook [Royaume-Uni] ; J. L. Sosa-Sanchez [Mexique] ; A. K. Sharma [États-Unis] ; A. K. Ray [Royaume-Uni]Source :
- Journal of the Royal Society Interface [ 1742-5689 ] ; 2011.
Abstract
Spin-coated films, approximately 100 nm thick, of a newly synthesized bis[octakis(octyl)phthalocyaninato] lutetium(III) complex on ultrasonically cleaned glass substrates exhibit pronounced chemichromic behaviour with potential application in healthcare.
Url:
DOI: 10.1098/rsif.2010.0726
PubMed: 21676969
PubMed Central: 3223619
Affiliations:
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Pal</name><affiliation wicri:level="1"><nlm:aff id="af1"><addr-line>The Wolfson Centre for Materials Processing</addr-line>,<institution>Brunel University</institution>,<addr-line>Uxbridge, Middlesex UB8 3PH</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Cammidge, A N" sort="Cammidge, A N" uniqKey="Cammidge A" first="A. N." last="Cammidge">A. N. Cammidge</name><affiliation wicri:level="1"><nlm:aff id="af2"><addr-line>School of Chemistry</addr-line>,<institution>University of East Anglia</institution>,<addr-line>Norwich NR4 7TJ</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Cook, M J" sort="Cook, M J" uniqKey="Cook M" first="M. J." last="Cook">M. J. Cook</name><affiliation wicri:level="1"><nlm:aff id="af2"><addr-line>School of Chemistry</addr-line>,<institution>University of East Anglia</institution>,<addr-line>Norwich NR4 7TJ</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Sosa Sanchez, J L" sort="Sosa Sanchez, J L" uniqKey="Sosa Sanchez J" first="J. L." last="Sosa-Sanchez">J. L. Sosa-Sanchez</name><affiliation wicri:level="1"><nlm:aff id="af3"><addr-line>Centro de Investigación en Dispositivos Semiconductores</addr-line>,<institution>Benémerita Universidad Autónoma de Puebla</institution>,<addr-line>San Manuel, Puebla</addr-line>,<country>Mexico</country></nlm:aff><country xml:lang="fr">Mexique</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Sharma, A K" sort="Sharma, A K" uniqKey="Sharma A" first="A. K." last="Sharma">A. K. Sharma</name><affiliation wicri:level="1"><nlm:aff id="af4"><addr-line>USAF, Research Laboratory, Space Vehicles Directorate, SE Kirtland AFB, NM 87117</addr-line>,<country>USA</country></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Ray, A K" sort="Ray, A K" uniqKey="Ray A" first="A. K." last="Ray">A. K. Ray</name><affiliation wicri:level="1"><nlm:aff id="af1"><addr-line>The Wolfson Centre for Materials Processing</addr-line>,<institution>Brunel University</institution>,<addr-line>Uxbridge, Middlesex UB8 3PH</addr-line>,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">Journal of the Royal Society Interface</title><idno type="ISSN">1742-5689</idno><idno type="eISSN">1742-5662</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Spin-coated films, approximately 100 nm thick, of a newly synthesized bis[octakis(octyl)phthalocyaninato] lutetium(III) complex on ultrasonically cleaned glass substrates exhibit pronounced chemichromic behaviour with potential application in healthcare. <italic>In situ</italic> kinetic optical absorption spectroscopic measurements show that the phthalocyanine Q-band is red shifted by 60 nm upon oxidation arising from exposure to bromine vapour. Recovery to the original state is achieved by the treatment of the oxidized films with nicotinamide adenine dinucleotide and <sc>l</sc>-ascorbic acid (vitamin C) in an aqueous solution containing 1.5 M lithium perchlorate. The neutralization process is found to be governed by first-order kinetics. The linear increase of the reduction rate with increasing concentration of cofactors provides a basis for calibration of analyte concentrations ranging from 3.5 mM down to 0.03 mM.</p></div></front></TEI><affiliations><list><country><li>Mexique</li><li>Royaume-Uni</li><li>États-Unis</li></country></list><tree><country name="Royaume-Uni"><noRegion><name sortKey="Pal, C" sort="Pal, C" uniqKey="Pal C" first="C." last="Pal">C. Pal</name></noRegion><name sortKey="Cammidge, A N" sort="Cammidge, A N" uniqKey="Cammidge A" first="A. N." last="Cammidge">A. N. Cammidge</name><name sortKey="Cook, M J" sort="Cook, M J" uniqKey="Cook M" first="M. J." last="Cook">M. J. Cook</name><name sortKey="Ray, A K" sort="Ray, A K" uniqKey="Ray A" first="A. K." last="Ray">A. K. Ray</name></country><country name="Mexique"><noRegion><name sortKey="Sosa Sanchez, J L" sort="Sosa Sanchez, J L" uniqKey="Sosa Sanchez J" first="J. L." last="Sosa-Sanchez">J. L. Sosa-Sanchez</name></noRegion></country><country name="États-Unis"><noRegion><name sortKey="Sharma, A K" sort="Sharma, A K" uniqKey="Sharma A" first="A. K." last="Sharma">A. K. Sharma</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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