Articles with "fluorescence probes" as a keyword



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The water-soluble indolium-based fluorescence probes for detection of the extreme acidity or extreme alkalinity

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Published in 2019 at "Tetrahedron"

DOI: 10.1016/j.tet.2019.130688

Abstract: Abstract In this work, 3,3′-(((1E,1′E)-(H,12H-5,11-methanodibenzo[b,f][1,5]diazocine-2,8-diyl)bis(ethene-2,1-diyl))bis(1,1-dimethyl-1H-benzo[e]indole-3-ium-2,3-diyl))bis(propane-1-sulfonate) (1), 3,3’-(((1E,1′E)-(6H,12H-5,11-methanodibenzo[b,f][1,5]diazocine-2,8-diyl)bis(ethene-2,1-diyl))bis(3,3-dimethyl-3H-indole-1-ium-2,1-diyl))bis(propane-1-sulfonate) (2), 2,2’-((1E,1′E)-(6H,12H-5,11-methanodibenzo[b,f][1,5]diazocine-2,8-diyl)bis(ethene-2,1-diyl))bis(1,3,3-trimethyl-3H-indol-1-ium) iodide (3) and 2,2’-((1E,1′E)-(6H,12H-5,11-methanodibenzo[b,f][1,5]diazocine-2,8-diyl)bis(ethene-2,1-diyl))bis(1,1,3-trimethyl-1H-benzo[e]indol-3-ium) iodide (4) were designed and synthesized by ethylene bridging of the N-substituted indolium salts and the Troger’s Base (TB) framework. The probes… read more here.

Keywords: diyl; water; fluorescence probes; diyl bis ... See more keywords
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Fluorescence Probes for Imaging Basic Carboxypeptidase Activity in Living Cells with High Intracellular Retention.

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Published in 2021 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.0c04793

Abstract: Basic carboxypeptidases (basic CPs) cleave the C-terminal basic amino acid of peptides, and their activity is upregulated in some types of cancers. Therefore, detecting the activity of basic CPs in living cells would be important… read more here.

Keywords: basic cps; fluorescence; fluorescence probes; 5argaf fda ... See more keywords
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Rational Design, Synthesis of Fluorescence Probes for Quantitative Detection of Amyloid-β in Alzheimer's Disease Based on Rhodamine-Metal Complex.

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Published in 2022 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.2c01911

Abstract: The efficient detection and monitoring of amyloid-β plaques (Aβ42) can greatly promote the diagnosis and therapy of Alzheimer's disease (AD). Fluorescence imaging is a promising method for this, but the accurate determination of Aβ42 still… read more here.

Keywords: fluorescence probes; alzheimer disease; based rhodamine; detection ... See more keywords
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Design and Preparation of Ethylene Fluorescence Probes Based on Arylolefins and Grubbs Catalysts

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Published in 2023 at "ACS Omega"

DOI: 10.1021/acsomega.3c00586

Abstract: To detect the plant hormone ethylene, three arylolefins were employed to react with ethylene based on olefin metathesis. In this study, three fluorescence probes were successfully prepared using a first-generation Grubbs catalyst (G-1) and arylolefin… read more here.

Keywords: fluorescence probes; design preparation; ethylene fluorescence; ethylene ... See more keywords
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Near-infrared fluorescence probes to detect reactive oxygen species for keloid diagnosis† †Electronic supplementary information (ESI) available. See DOI: 10.1039/c8sc01865k

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Published in 2018 at "Chemical Science"

DOI: 10.1039/c8sc01865k

Abstract: Development of molecular probes for the detection of reactive oxygen and nitrogen species (RONS) is important for the pathology and diagnosis of keloid diseases. read more here.

Keywords: reactive oxygen; oxygen; diagnosis; near infrared ... See more keywords
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Imaging and detection of long-lived fluorescence probes in presence of highly emissive and scattering background

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Published in 2022 at "Experimental Biology and Medicine"

DOI: 10.1177/15353702221112121

Abstract: Optical biomedical imaging and diagnostics is a rapidly growing field that provides both structural and functional information with uses ranging from fundamental to practical clinical applications. Nevertheless, imaging/visualizing fluorescence objects with high spatial resolution in… read more here.

Keywords: fluorescence probes; excitation; background; long lived ... See more keywords