PMMA based soluble polymeric temperature sensors based on UCST transition and solvatochromic dyes

Pietsch, Christian; Hoogenboom, Richard; Schubert, Ulrich S.

doi:10.1039/c0py00162g

Cited by 86 publications

(69 citation statements)

References 34 publications

(16 reference statements)

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“…These parameters can be used in monitoring treatment progress (i.e., measuring tissue temperature during thermal therapy) or as a way to detect diseases, which shift the pH equilibrium in the body (i.e., cancer). 89,90 Employing pyrene conjugated to poly(methyl methacrylate) (PMMA), the authors demonstrated that an increase in temperature between 11 and 21°C resulted in a decrease of excimer fluorescence. Increasing the solution temperature above the LCST resulted in the conversion of the nanoparticle from a hydrophilic to a hydrophobic environment.…”

Section: Molecular Interactions In Fluorescence Sensingmentioning

confidence: 99%

Molecular Interactions in Organic Nanoparticles for Phototheranostic Applications

2015

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Section: Molecular Interactions In Fluorescence Sensingmentioning

confidence: 99%

Molecular Interactions in Organic Nanoparticles for Phototheranostic Applications

2015

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“…132 using polymers with an upper critical solution transition, such as PMMA 145 or by using other members of the NIPAM monomer family and their copolymers. 127 However, the possible integration of these polymers in an ''all-in-one'' responsive thermometer is still to be shown.…”

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confidence: 99%

Thermometry at the nanoscale

et al. 2012

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Non-invasive precise thermometers working at the nanoscale with high spatial resolution, where the conventional methods are ineffective, have emerged over the last couple of years as a very active field of research. This has been strongly stimulated by the numerous challenging requests arising from nanotechnology and biomedicine. This critical review offers a general overview of recent examples of luminescent and non-luminescent thermometers working at nanometric scale. Luminescent thermometers encompass organic dyes, QDs and Ln 3+ ions as thermal probes, as well as more complex thermometric systems formed by polymer and organic-inorganic hybrid matrices encapsulating these emitting centres. Non-luminescent thermometers comprise of scanning thermal microscopy, nanolithography thermometry, carbon nanotube thermometry and biomaterials thermometry. Emphasis has been put on ratiometric examples reporting spatial resolution lower than 1 micron, as, for instance, intracellular thermometers based on organic dyes, thermoresponsive polymers, mesoporous silica NPs, QDs, and Ln 3+ -based up-converting NPs and b-diketonate complexes. Finally, we discuss the challenges and opportunities in the development for highly sensitive ratiometric thermometers operating at the physiological temperature range with submicron spatial resolution.

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“…The maximum emission at 465 nm could be related to pyrene excimers, that is, pyrene dimers or higher aggregates. 23,24 The emission spectrum of fibers showed no shift in maximum emission compared to that of pyrene solution, suggesting no further formation of pyrene aggregation through p-p stacking interaction.…”

Section: Selectivity and Interference Studiesmentioning

confidence: 93%

Pyrene‐doped electrospun PMMA‐PVC fibers for ferric ion detection

Martwiset

Nijpanich

Banturngsaksiri

et al. 2013

J of Applied Polymer Sci

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Electrospun fibers for ferric ion (Fe 31 ) detection were prepared from solutions of poly(methyl methacrylate) (PMMA), poly(vinyl chloride-co-vinyl acetate-co-vinyl alcohol) ((90 : 4 : 6), PVC terpolymer), and pyrene. The effects of PVC terpolymer content (0,10,20, 30, and 40% by weight of PMMA) and electrospinning conditions on fiber size and morphology were studied using scanning electron microscopy. Uniform fibers were obtained from all compositions, and fiber sizes slightly increased with PVC terpolymer content. At 40% PVC, fiber breakage and pyrene clusters were observed. The suitable pyrene content in electrospun fibers was found to be 20%. The ratio of fluorescence intensities of fibers with 30% PVC and 20% pyrene before and after (F 0 /F) immersion in 1.0 mM Fe 31 solution was 1.36.

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PMMA based soluble polymeric temperature sensors based on UCST transition and solvatochromic dyes

Cited by 86 publications

References 34 publications

Molecular Interactions in Organic Nanoparticles for Phototheranostic Applications

Molecular Interactions in Organic Nanoparticles for Phototheranostic Applications

Thermometry at the nanoscale

Pyrene‐doped electrospun PMMA‐PVC fibers for ferric ion detection

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