Fluorogenic and Chromogenic Rhodamine Spirolactam Based Probe for Nitric Oxide by Spiro Ring Opening Reaction

Zheng, Hong; Shang, Gui-Qin; Yang, Shi‐Yao; Gao, Xia; Xu, Juntian

doi:10.1021/ol800206x

Cited by 143 publications

(78 citation statements)

References 37 publications

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“…Probe SiRB-Nitrite and its rhodamine analogous RB-Nitrite were synthesized according to reported procedures (Scheme 2) [25,26]. Since the diazotization process requires In absorption spectra, a sharp peak centered at 675 nm increased rapidly and another gently peak centered at 625 nm gradually increased (Fig.…”

Section: Resultsmentioning

confidence: 99%

An Acid-Inert Fluorescent Probe for the Detection of Nitrite

et al. 2017

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The fluorescent detection of nitrite ions has been challenging owing to the poor acid-stability of typical fluorescent probes. Herein, an acid-inert rhodamine-based fluorescent probe has been developed for the fast detection of trace amount of nitrite ions with turn-on mode. The detection limit of nitrite ions was determined to be 9.4 nM (S/N = 3) and the linear range with high linear correlation was observed between 0.025 to 2.5 μM. A test paper method was developed for rapid visual detection of nitrite ions. Quantitative analysis of two real water samples also confirmed the reliability and sensitivity of the developed fluorescent method.

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Section: Resultsmentioning

confidence: 99%

An Acid-Inert Fluorescent Probe for the Detection of Nitrite

et al. 2017

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“…8 The development of drug delivery systems, and in particular the surface delivery of bioactive agents, especially from nanoparticles, [16][17][18][19][20][21] is currently of interest for its obvious medical and hygiene applications [22][23][24] especially in the area of antibacterials 25 ; recent work is noteworthy in that regard. 26,27 Inspiration for the work reported herein came from a report in which small anions were found to bind reversibly with spiropyrans, 28,29 and of interest was whether a similar phenomenon might also bind carboxylates, and therefore penicillin, which would in turn impart bactericidal properties to a supporting polymer; the delivery of penicillin from polymers has been reported. 30 Even if such discrete one-to-one binding of carboxylate with spiropyrans did not occur, nonspeci¯c binding resulting from the change in surface polarity from the presence of a spiropyran might have been expected to lead to a similar outcome.…”

mentioning

confidence: 90%

Antibacterial Drug Releasing Materials by Post-Polymerization Surface Modification

Chng

Moloney

2017

J. Mol. Eng. Mater.

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Functional materials are available by the post-polymerization surface modi¯cation of diverse polymers in a three-step process mediated,¯rstly, by carbene insertion chemistry, secondly, by diazonium coupling, and thirdly by modi¯cation with a remotely tethered spiropyran unit, and these materials may be used for the reversible binding and release of Penicillin V. Surface loading densities of up to 0.19 mmol/g polymer are achievable, leading to materials with higher loading densities and release behavior relative to unmodi¯ed controls, and observable antibacterial biocidal activity.

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“…Among the reported molecules, the gas indictor which is responsible for selective binding of neutral gas molecule is still poorly understood [81][82][83] . Sulfur oxide (SO 2 ), which is mainly formed from the burning of coal and oil, contributes significantly to the formation of the acid rain and other harmful products.…”

Section: Chemosensors Involving Excimer Formationmentioning

confidence: 99%

Chemical sensors based on π-conjugated organic molecules and gold nanoparticles

Yuan

Liu

et al. 2009

Sci. China Ser. B-Chem.

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Scientists have developed techniques for synthesizing and characterizing many new materials including conjugated small molecules, polymers and gold particles protected by conjugated organic chromophores for testing specific sensing properties in the past decade. Still, the design and synthesis or supermolecular systems fabrication of novel materials with controlled sensing properties is a significant and ongoing challenge within nanoscience and nanotechnology. Recently, our group has successfully constructed a series of chemosensors using small organic molecules, conjugated polymers and gold nanoparticles for real-time detection of specific analytes. The chemosensors show high selectivity and sensitivity in the detection of cations and biologic analytes and thus are potentially promising for applications in sensing assay system. In this review, recent sutdies on the design, synthesis and photo-physical properties of novel materials and construct of chemosensors are summarized with an emphasis on the development in our groups in recent years. energy transfer, charge transfer, nanotechnology, organic-inorganic hybrid composites.

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Fluorogenic and Chromogenic Rhodamine Spirolactam Based Probe for Nitric Oxide by Spiro Ring Opening Reaction

Abstract: A new fluorogenic and chromogenic probe rhodamine B spirolactam (1) was developed that in aqueous solutions exhibited a highly selective and sensitive "turn-on" type spectral response toward NO detection following a NO-induced spiro-ring opening reaction in 1.

Cited by 143 publications

References 37 publications

An Acid-Inert Fluorescent Probe for the Detection of Nitrite

An Acid-Inert Fluorescent Probe for the Detection of Nitrite

Antibacterial Drug Releasing Materials by Post-Polymerization Surface Modification

Chemical sensors based on π-conjugated organic molecules and gold nanoparticles

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