Mini-Review: Artificial Catecholamine Receptors in Aqueous Media

Chui, Jonathan K. W.; Fyles, Tom

doi:10.1080/10610270701278269

Cited by 16 publications

(14 citation statements)

References 28 publications

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“…Unless otherwise specified, all the chemical reagents and solvents used were of analytical reagent grade and the solutions were prepared using Milli−Q water (18.2 MΩ·cm). 15 Colloidal Au NPs were synthesized by already reported procedure. 22 The particles with an average diameter of 15 nm were prepared by adding 10 mL of 38.8 mM sodium citrate into 100 mL of 1 mM HAuCl 4 under boiling condition with vigorous stirring.…”

Section: Experimental Section 21 Materialsmentioning

confidence: 99%

“…Calibration plot between DA concentration and particle size for 15 different nanoprobes. Inset is the zoom-in plot at low DA concentrations.…”

Section: Figmentioning

confidence: 99%

“…For Probe 3, it eventually tended to be 10 constant, possibly due to the precipitation of large sized aggregates. By using the values of A 700 /A 514 ratio for the control sample (without DA) and the one with noticeable change, the LOD for different Au nanoprobe was calculated to be 6.3 nM (S/N = 2.10, 15 Probe 1), 6.2 nM (S/N = 2.07, Probe 2) and 6.0 nM (S/N = 2.01, Probe 3), respectively. 27 If it was determined with S/N ≈ 3, the LOD was about 117 nM for Probe 1, 66 nM for Probe 2, and 46 nM for Probe 3.…”

Section: Figmentioning

confidence: 99%

“…In-vivo DA concentration is used as clinical 15 indicator for a wide range of illnesses, including tumors of neural crest, cardiovascular disease, and neuromuscular disorder. 1 DA level in the body fluids ranges from several 0.01 to 1 µM.…”

Section: Introductionmentioning

confidence: 99%

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Fast, sensitive and selective colorimetric gold bioassay for dopamine detection

Palanisamy

Zhang

2015

J. Mater. Chem. B

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5Colorimetric detection of dopamine has the advantage of simplicity in operation and instrumentation. Herein, a highly sensitive and selective colorimetric biosensor with fast response has been developed by using 4'-aminobenzo-18-crown-6 (ABCE) and 4-mercaptophenyl boronic acid (MPBA) modified Au nanoparticles. The modified probe shows an excellent detection limit of 6.0 nM of dopamine at S/N of 2.01 and about 46 nM at S/N of 3 within microseconds response. It exhibits excellent detection selectivity 10 even in 1000-fold excess of many different interferents like metal ions, uric acid and ascorbic acid. All these may make them fulfill the requirements for in-vivo analysis.

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Section: Experimental Section 21 Materialsmentioning

confidence: 99%

“…Calibration plot between DA concentration and particle size for 15 different nanoprobes. Inset is the zoom-in plot at low DA concentrations.…”

Section: Figmentioning

confidence: 99%

Section: Figmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Fast, sensitive and selective colorimetric gold bioassay for dopamine detection

Palanisamy

Zhang

2015

J. Mater. Chem. B

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“…An optical method, which is selective towards DA would, therefore, offer several advantages as a DA sensor over existing electrochemical systems such as fast detection with minimal interference. A variety of synthetic receptors have been shown to bind DA with a wide range of equilibrium constants and selectivity depending on their design architectures (13). These systems could be implemented into non-intrusive, real-time sensing techniques for DA in biological media.…”

Section: Introductionmentioning

confidence: 99%

A selective supramolecular photochemical sensor for dopamine

Kasera

Walsh

Barrio

et al. 2014

Supramolecular Chemistry

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Dopamine (DA) is an important biomarker for diseases and biological disorders. Existing techniques for DA detection suffer from drawbacks including low sensitivity and selectivity as well as interfering signals from non-target molecules. A simple and selective photochemical sensor for the determination of DA in a supramolecular manner is presented. This approach utilises the complexation properties of a highly fluorescent water-soluble complex of perylene bis(diimide) dye with the macrocyclic host cucurbit[8]uril. The method can be used for the determination of DA in aqueous media, with detection limits below 2 £ 10 25 M, even in the presence of known interferents including ascorbic acid and the catecholamines epinephrine and norepinepherine.

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Application of a Library of Artificial Receptors Formed by Self‐Organization of N‐Lipidated Peptides Immobilized on Cellulose for Preliminary Studies of Binding of N‐Phenylpiperazines

et al. 2009

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A library of artificial receptors formed by self-organization of N-lipidated peptides attached to cellulose via aminophenylamino-1,3,5-triazine was synthesized and used for docking small, colorless guests. Interactions of colorless guest with receptors were visualized by using competitive adsorption-desorption of appropriate reporter dye. Analysis of binding pattern of N-phenylpiperazine derivatives with gradually increased lipophilicity was found diagnostic for structural changes of guest molecules. Several library members demonstrated attributes characteristic for detection of alteration of lipophilicity of the guest structure.

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Mini-Review: Artificial Catecholamine Receptors in Aqueous Media

Cited by 16 publications

References 28 publications

Fast, sensitive and selective colorimetric gold bioassay for dopamine detection

Fast, sensitive and selective colorimetric gold bioassay for dopamine detection

A selective supramolecular photochemical sensor for dopamine

Application of a Library of Artificial Receptors Formed by Self‐Organization of N‐Lipidated Peptides Immobilized on Cellulose for Preliminary Studies of Binding of N‐Phenylpiperazines

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