2011
DOI: 10.1039/c1cc13175c
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Colourimetric and spectroscopic discrimination between nucleotides and nucleosides using para-sulfonato-calix[4]arene capped silver nanoparticles

Abstract: The complexation of nucleosides and nucleotides by hybrid nanoparticles capped by para-sulfonato-calix[4]arene shows clear discrimination between purine and pyrimidine based molecules. For the pyrimidine nucleotides there is appearance of a new absorption band around 550 nm, and a colour change from yellow to orange red and pink.

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Cited by 26 publications
(20 citation statements)
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“…The para-sulphoanto-calix [n]arenes were synthesized as per the literature and all physical properties are in agreement with the literature [1]. The para-sulphoanto-calix [n]arene nanoparticles were prepared as per the literature and their physical properties correspond to the published values [2].…”
Section: Synthesis Of Para-sulphoanto-calix[n]arenes and Nanoparticlesmentioning
confidence: 72%
“…The para-sulphoanto-calix [n]arenes were synthesized as per the literature and all physical properties are in agreement with the literature [1]. The para-sulphoanto-calix [n]arene nanoparticles were prepared as per the literature and their physical properties correspond to the published values [2].…”
Section: Synthesis Of Para-sulphoanto-calix[n]arenes and Nanoparticlesmentioning
confidence: 72%
“…It was reported [37] that interaction of p-sulfonatocalix [4]arene CA-4 based AgNPs with nucleotides, nucleosides and desoxynucleosides leads to selective complexation, which is expressed by color change due to aggregate formation. There is a clear difference for purine and pyrimidine: for pyrimidine nucleotides, a new absorption band at 550 nm appears, and a color change from yellow to orange, red or pink is observed; for purine nucleotides, an absorption band is observed at 580-590 nm.…”
Section: Calix[n]arene-based Agnps Obtained Using Chemical Reductionmentioning
confidence: 99%
“…However, aggregation was negligible for other amines including ortho ‐diaminobenzene. A similar approach was applied for the selective detection of histidine and the discrimination of nucleosides and nucleotides 5961. An analogous strategy has been recently developed for pillararenes, taking advantage of their versatility by which they can be functionalized on both rims.…”
Section: Applicationsmentioning
confidence: 99%