Articles with "sensitive fluorescent" as a keyword



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Sensitive fluorescent chemosensor for Hg(II) in aqueous solution using 4'-dimethylaminochalcone.

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Published in 2022 at "Journal of fluorescence"

DOI: 10.1007/s10895-022-02941-2

Abstract: Mercury (Hg) is an element with high toxicity, especially to the nervous system, and fluorescent pigments are used to visualize dynamic processes in living cells. A little explored fluorescent core is chalcone. Herein, we synthesized… read more here.

Keywords: sensitive fluorescent; chemosensor; aqueous solution; chemosensor aqueous ... See more keywords
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A mitochondria targetable and viscosity sensitive fluorescent probe and its applications for distinguishing cancerous cells

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Published in 2019 at "Dyes and Pigments"

DOI: 10.1016/j.dyepig.2019.04.049

Abstract: Abstract The determination of mitochondrial viscosity is of great importance owing to its crucial roles in the diffusion-mediated processes. It has demonstrated that the viscosity in cancer cells is higher than normal cells. Developing of… read more here.

Keywords: viscosity; sensitive fluorescent; viscosity sensitive; fluorescent probe ... See more keywords
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Sulfur doped graphene quantum dots as a potential sensitive fluorescent probe for the detection of quercetin.

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Published in 2020 at "Food chemistry"

DOI: 10.1016/j.foodchem.2020.126457

Abstract: In this work, a novel, selective and sensitive fluorescent probe (sulfur doped graphene quantum dots, SGQDs) was designed for real-time detection of quercetin in red wine samples. SGQDs were synthesized by pyrolyzing citric acid (CA)… read more here.

Keywords: fluorescent probe; detection; sensitive fluorescent; quercetin ... See more keywords
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A sensitive fluorescent probe for cysteine and Cu2+ based on 1,8-naphthalimide derivatives and its application in living cells imaging

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Published in 2017 at "Tetrahedron"

DOI: 10.1016/j.tet.2016.12.016

Abstract: Abstract A new 1,8-naphthalimide derivative (NAD) was synthesized and employed as a highly sensitive and selective probe for the detection of cysteine (Cys) and Cu2+. The terminal olefin of NAD could react with Cys and… read more here.

Keywords: fluorescent probe; sensitive fluorescent; cells imaging; cysteine ... See more keywords
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C2-substituted 8-aza-7-deaza-2'-deoxyadenosines as environmentally sensitive fluorescent nucleosides for discriminating apurinic/apyrimidinic sites in DNA duplex

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Published in 2017 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2016.11.029

Abstract: Abstract We synthesized various C2-naphthylethynylated 8-aza-7-deaza-2′-deoxyadenosines 1a – 1c as novel environmentally sensitive fluorescent (ESF) purine nucleosides. In particular, the N,N -dimethylamino-substituted derivative 1c exhibits a remarkably high solvatochromicity (Δ λ  = 111 nm). 1c -containing oligodeoxynucleotide… read more here.

Keywords: sensitive fluorescent; aza deaza; environmentally sensitive; apurinic apyrimidinic ... See more keywords
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Synthesis of novel 6-piperidin-1-ylpyrimidine-2,4-diamine 3-oxide substituted calix[4]arene as a highly selective and sensitive fluorescent sensor for Cu2+ in aqueous samples

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Published in 2020 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2020.151658

Abstract: Abstract In this study, we designed and synthesized a novel sensitive fluorescent sensor for Cu2+ cation by attaching two minoxidil molecules at the lower-rim of calix[4]arene annulus via the formation of two urea linkages. This… read more here.

Keywords: fluorescent sensor; sensor cu2; sensitive fluorescent; calix arene ... See more keywords
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Discovery of Environment-Sensitive Fluorescent Ligands of β-Adrenergic Receptors for Cell Imaging and NanoBRET Assay.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.1c05646

Abstract: By fusing several environment-sensitive fluorophores to the pharmacophore mirabegron, a series of new fluorescent ligands for β-adrenergic receptors (β-ARs) were produced with a turn-on mechanism and high binding affinity to β-ARs efficiently. Compound L5 with… read more here.

Keywords: ligands adrenergic; fluorescent ligands; environment; environment sensitive ... See more keywords
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Anthracene-Based Highly Selective and Sensitive Fluorescent “Turn-on” Chemodosimeter for Hg2+

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Published in 2018 at "ACS Omega"

DOI: 10.1021/acsomega.8b01142

Abstract: Three π-extended anthracene-bearing thioacetals (1–3) have been synthesized, and their fluorescence “turn-on” responses to Hg2+ ions are studied. The chemodosimetric fluorescence-sensing behavior and their resulting hydrolysis via a desulfurization reaction mechanism leads to the formation… read more here.

Keywords: highly selective; sensitive fluorescent; selective sensitive; based highly ... See more keywords
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A sensitive OFF–ON–OFF fluorescent probe for the cascade sensing of Al3+ and F− ions in aqueous media and living cells

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Published in 2020 at "RSC Advances"

DOI: 10.1039/d0ra02848g

Abstract: A simple Schiff-base ligand 2-hydroxy-1-naphthaldehyde semicarbazone (HNS) was synthesized and characterized. Based on the combined effect of inhibition of CHN isomerization and chelation-enhanced fluorescence (CHEF), HNS functions as a fluorescence “turn on” sensor for Al3+… read more here.

Keywords: sensitive fluorescent; aqueous media; probe; hns ... See more keywords
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Nitroreductase-sensitive fluorescent covalent organic framework for tumor hypoxia imaging in cells.

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Published in 2023 at "Chemical communications"

DOI: 10.1039/d3cc01110k

Abstract: Covalent organic frameworks (COFs) have been used in cell imaging, but very rarely for imaging specific cell conditions. Herein, a β-ketoenamine-based fluorescent COF was post-synthetically modified to incorporate a hypoxia-targeting molecule. Fluorescence microscopy imaging shows… read more here.

Keywords: nitroreductase sensitive; hypoxia; fluorescent covalent; covalent organic ... See more keywords
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A Highly Sensitive Fluorescent Sensor for Amitrole Determination in Aqueous Samples

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Published in 2017 at "NANO"

DOI: 10.1142/s1793292017500710

Abstract: A simple yet sensitive fluorescent sensor was reported for amitrole analysis based on integration of gold nanoparticles (AuNPs) and CdTe quantum dots (CdTe QDs) via inner filter effect (IFE). The fluorescence of GSH-coated CdTe QDs… read more here.

Keywords: sensitive fluorescent; fluorescent sensor; highly sensitive; sensor amitrole ... See more keywords