1990
DOI: 10.1002/anie.199011671
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Nonradioactive Assay of DNA Hybridization by DNA‐Template‐Mediated Formation of a Ternary TbIII Complex in Pure Liquid Phase

Abstract: No Absract.

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Cited by 73 publications
(37 citation statements)
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“…However, the sensitivity of this method is low due to the strong effect of background emission caused by donor emission and the directly excited acceptor emission at measurement wavelengths (5). Another homogeneous DNA hybridization assay method based on DNA-mediated formation of a diethylenetriamine pentaacetic acid (DTPA) 2 -Tb 3ϩ -salicylate ternary fluorescence complex has also been reported (6). In this method, two DNA probes modified with a DTPA-Tb 3ϩ chelate and a salicylate were used, respectively.…”
mentioning
confidence: 97%
“…However, the sensitivity of this method is low due to the strong effect of background emission caused by donor emission and the directly excited acceptor emission at measurement wavelengths (5). Another homogeneous DNA hybridization assay method based on DNA-mediated formation of a diethylenetriamine pentaacetic acid (DTPA) 2 -Tb 3ϩ -salicylate ternary fluorescence complex has also been reported (6). In this method, two DNA probes modified with a DTPA-Tb 3ϩ chelate and a salicylate were used, respectively.…”
mentioning
confidence: 97%
“…Detection limits in the normal mode and the time-resolved mode are about 30 pM and 50 pM, respectively, when 10 nM of the probe DNA was used. These detection limits are 2 orders of magnitude superior to that obtained with the previous homogeneous hybridization assay (17). DISCUSSION In the present work, a homogeneous DNA hybridization assay has been developed based on the luminescence resonance energy transfer from the BPTA-Tb 3+ chelate to Cy3.…”
Section: Resultsmentioning
confidence: 71%
“…Em sistemas biológicos os elementos terras raras têm sido extensivamente estudados, devido às suas propriedades excepcionais, principalmente, as espectroscópicas e magnéticas [42][43][44][45][46][47][48][49][50][51][52][53][54][55] . Esses elementos são geralmente usados como sondas espectroscópicas no estudo de biomoléculas e suas funções, especialmente proteínas que se ligam ao cálcio.…”
Section: Biológicasunclassified
“…Também, a carga positiva extra dos íons lantanídeos, comparadas com a do íon Ca(II), na maioria dos casos, contribui para maior estabilidade dos complexos formados com proteínas. Em vista disso, os íons de terras raras inibem a maioria das enzimas cálcio dependentes [42][43][44][45][46][47][48][49][50][51][52][53][54] .…”
Section: Biológicasunclassified
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