Highly photoresistant chemosensors using acridone as fluorescent label

Bahr, Nicolaus; Tierney, Emily; Reymond, Jean‐Louis

doi:10.1016/s0040-4039(97)00137-8

Cited by 48 publications

(23 citation statements)

References 14 publications

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“…Acridones have rather high luminescence quantum yields and are known as efficient laser dyes 36 and fluorescence sensors. 37,38 Due to the acridone emission maximum close to 500 nm, branched conjugated units with acridone bridges are advantageous for conducting and fluorescent materials. The benefits of such heterocyclic structures include chemical inertness, notable resistance to photobleaching and also the possibility to be excited around 400-420 nm.…”

Section: A) B)mentioning

confidence: 99%

Conjugated arylenes: their convenient synthesis, luminescence characteristics, and applications

Sołoducho¹,

Zając²,

Cabaj³

et al. 2016

Arkivoc

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Conjugated arylenes have significant perspectives as active materials useful in electronics, i.e. as semiconductors or solar cells. Organic semiconductors maintain the related processability, as with polymers, while retaining optoelectronic characteristics, i.e., high absorption coefficients of photons in the visible-region. This review summarizes recent developments in semiconducting polymers for electronic tools. This includes information on substitution and localization, branching, and its impact on functional materials.

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Section: A) B)mentioning

confidence: 99%

Conjugated arylenes: their convenient synthesis, luminescence characteristics, and applications

Sołoducho¹,

Zając²,

Cabaj³

et al. 2016

Arkivoc

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“…Acridone, being a well-known fluorophore used, e.g., for chemosensors [7], has previously been reported to be suitable for the p K a determination of lanthanide salts in aqueous solution, the fluorescence undergoing a bathochromic shift directly correlated to the acidity of the cation bound to its carbonyl group [8]. We therefore sought to create a micro- or mesoporous material containing covalently bound acridone units that would serve the same purpose, by choosing the amino function of acridone as the functional group to be modified.…”

Section: Introductionmentioning

confidence: 99%

Novel acridone-modified MCM-41 type silica: Synthesis, characterization and fluorescence tuning

Hemgesberg¹,

Dörr²,

Schmitt³

et al. 2011

Beilstein J. Nanotechnol.

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SummaryA Mobil Composition of Matter (MCM)-41 type mesoporous silica material containing N-propylacridone groups has been successfully prepared by co-condensation of an appropriate organic precursor with tetraethyl orthosilicate (TEOS) under alkaline sol–gel conditions. The resulting material was fully characterized by means of X-ray diffraction (XRD), N2-adsorption–desorption, transmission electron microscopy (TEM), IR and UV–vis spectroscopy, as well as 29Si and 13C CP-MAS NMR techniques. The material features a high inner surface area and a highly ordered two-dimensional hexagonal pore structure. The fluorescence properties of the organic chromophore can be tuned via complexation of its carbonyl group with scandium triflate, which makes the material a good candidate for solid state sensors and optics. The successful synthesis of highly ordered MCM materials through co-condensation was found to be dependent on the chemical interaction of the different precursors.

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“…[29] Among fourty different monoclonal anti-1 antibodies, about a quarter of them quench the fluorescence of the acridone label by 80 % or more. These quenching interactions take place by selective binding to the combining site of the antibodies, as evidenced by the fact that fluorescence of the labels 2 or 3 returns to full level upon Abstract in French: Nous avons developpeÂ une meÂthode geÂneÂrale pour mesurer la catalyse en temps reÂel par fluorescence aÁ laide dun anticorps-senseur.…”

Section: Introductionmentioning

confidence: 99%

A General Fluorogenic Assay for Catalysis Using Antibody Sensors

1999

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A general assay for monitoring catalysis by fluorescence in real time has been developed by use of an antibody sensor. The sensor consists of a product-specific antibody tightly bound to a product analogue covalently labeled with the fluorescent tag acridone. Acridone fluorescence is quenched in the bound state. The reaction is monitored by following the fluorescence increase caused by displacement of the acridonelabeled product from the antibody combining site by the released product. Fluorescence detection of enzymatic hydrolysis of a b-galactoside and butyrate by b-galactosidase and esterase, respectively, are demonstrated. The assay operates by modulation of fluorescence intensity at 445 nm, a signal compatible with currently available instruments measuring in 96-well or 384-well plastic microtiter plates. The method is potentially general and only limited by binding selectivities of the product versus the substrate that can be encountered in antibodies.

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Highly photoresistant chemosensors using acridone as fluorescent label

Cited by 48 publications

References 14 publications

Conjugated arylenes: their convenient synthesis, luminescence characteristics, and applications

Conjugated arylenes: their convenient synthesis, luminescence characteristics, and applications

Novel acridone-modified MCM-41 type silica: Synthesis, characterization and fluorescence tuning

A General Fluorogenic Assay for Catalysis Using Antibody Sensors

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