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Showing 1 to 12 of 987 entries
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Spectral and dynamical properties of a Zr-based MOF.

Physical chemistry chemical physics : PCCP

Gutiérrez M, Sánchez F, Douhal A.
PMID: 26400004
Phys Chem Chem Phys. 2016 Feb 21;18(7):5112-20. doi: 10.1039/c5cp04436g. Epub 2015 Sep 24.

We report on the spectra and dynamics of a Zr-naphthalene dicarboxylic acid (Zr-NDC) MOF in different diluted solvent suspensions and in a concentrated tetrahydrofuran (THF) one. In a diluted diethyl ether (DE) suspension, we observed intraparticle excimer formation between...

Toward the design of alkynylimidazole fluorophores: computational and experimental characterization of spectroscopic features in solution and in poly(methyl methacrylate).

Physical chemistry chemical physics : PCCP

Barone V, Bellina F, Biczysko M, Bloino J, Fornaro T, Latouche C, Lessi M, Marianetti G, Minei P, Panattoni A, Pucci A.
PMID: 26395207
Phys Chem Chem Phys. 2015 Oct 28;17(40):26710-23. doi: 10.1039/c5cp03047a.

The possibilities offered by organic fluorophores in the preparation of advanced plastic materials have been increased by designing novel alkynylimidazole dyes, featuring different push and pull groups. This new family of fluorescent dyes was synthesized by means of a...

Simultaneous spectroscopic measurements of the interior temperature and induced cargo release from pore-restricted mesoporous silica nanoparticles.

Nanoscale

Dong J, Zink JI.
PMID: 27150579
Nanoscale. 2016 May 19;8(20):10558-63. doi: 10.1039/c6nr00978f.

Temperature changes initiated within nano structures are being increasingly used to externally activate responsive delivery vehicles. Yet, the precise measurement of the nano environment temperature increase and its correlation with the induced macroscopic cargo release are difficult to achieve....

Carbon Nanomembranes.

Advanced materials (Deerfield Beach, Fla.)

Turchanin A, Gölzhäuser A.
PMID: 27281234
Adv Mater. 2016 Aug;28(29):6075-103. doi: 10.1002/adma.201506058. Epub 2016 Jun 09.

Carbon nanomembranes (CNMs) are synthetic 2D carbon sheets with tailored physical or chemical properties. These depend on the structure, molecular composition, and surroundings on either side. Due to their molecular thickness, they can be regarded as "interfaces without bulk"...

Induction of Strong and Tunable Circularly Polarized Luminescence of Nonchiral, Nonmetal, Low-Molecular-Weight Fluorophores Using Chiral Nanotemplates.

Angewandte Chemie (International ed. in English)

Goto T, Okazaki Y, Ueki M, Kuwahara Y, Takafuji M, Oda R, Ihara H.
PMID: 28146313
Angew Chem Int Ed Engl. 2017 Mar 06;56(11):2989-2993. doi: 10.1002/anie.201612331. Epub 2017 Jan 31.

A new strategy is described for generating strong circularly polarized luminescence with highly tunable emission bands through chiral induction in nonchiral, totally organic, low-molecular-weight fluorescent dyes by chiral nanotemplate systems. Our approach allows the first systematic investigation to clarify...

Curcuminoid-BF.

Beilstein journal of organic chemistry

Weiss H, Reichel J, Görls H, Schneider KRA, Micheel M, Pröhl M, Gottschaldt M, Dietzek B, Weigand W.
PMID: 29114330
Beilstein J Org Chem. 2017 Oct 26;13:2264-2272. doi: 10.3762/bjoc.13.223. eCollection 2017.

Eight difluoroboron complexes of curcumin derivatives carrying alkyne groups containing substituents have been synthesized following an optimised reaction pathway. The complexes were received in yields up to 98% and high purities. Their properties as fluorescent dyes have been investigated....

Bright Fluorescent Nanotags from Bottlebrush Polymers with DNA-Tipped Bristles.

ACS central science

Fouz MF, Mukumoto K, Averick S, Molinar O, McCartney BM, Matyjaszewski K, Armitage BA, Das SR.
PMID: 27163005
ACS Cent Sci. 2015 Nov 25;1(8):431-8. doi: 10.1021/acscentsci.5b00259. Epub 2015 Nov 04.

Bright signal outputs are needed for fluorescence detection of biomolecules at their native expression levels. Increasing the number of labels on a probe often results in crowding-induced self-quenching of chromophores, and maintaining the function of the targeting moiety (e.g.,...

Handheld confocal laser endomicroscopic imaging utilizing tumor-specific fluorescent labeling to identify experimental glioma cells .

Surgical neurology international

Martirosyan NL, Georges J, Kalani MY, Nakaji P, Spetzler RF, Feuerstein BG, Preul MC.
PMID: 28144472
Surg Neurol Int. 2016 Dec 12;7:S995-S1003. doi: 10.4103/2152-7806.195577. eCollection 2016.

BACKGROUND: We have reported that handheld confocal laser endomicroscopy (CLE) can be used with various nonspecific fluorescent dyes to improve the microscopic identification of brain tumor and its boundaries. Here, we show that CLE can be used experimentally with...

The fluorescent pentameric oligothiophene pFTAA identifies filamentous tau in live neurons cultured from adult P301S tau mice.

Frontiers in neuroscience

Brelstaff J, Ossola B, Neher JJ, Klingstedt T, Nilsson KP, Goedert M, Spillantini MG, Tolkovsky AM.
PMID: 26074756
Front Neurosci. 2015 May 29;9:184. doi: 10.3389/fnins.2015.00184. eCollection 2015.

Identification of fluorescent dyes that label the filamentous protein aggregates characteristic of neurodegenerative disease, such as β-amyloid and tau in Alzheimer's disease, in a live cell culture system has previously been a major hurdle. Here we show that pentameric...

Inclusion of push-pull N-methylpyridinium salts within surfactant hydrogels: is their excited state intramolecular charge transfer mediated by twisting?.

Physical chemistry chemical physics : PCCP

Cesaretti A, Carlotti B, Germani R, Spalletti A, Elisei F.
PMID: 26073742
Phys Chem Chem Phys. 2015 Jul 14;17(26):17214-20. doi: 10.1039/c5cp01639h.

In order to get a deep insight into the environment-dependent photophysics of push-pull pyridinium derivatives, two N-methylpyridinium salts were dissolved within surfactant hydrogels. Surfactant viscoelastic solutions can potentially block or at least limit the torsion of these fluorescent dyes,...

Synthesis and Fluorescence Properties of Pyrimidine-Based Diboron Complexes with Donor-π-Acceptor Structures.

Chemistry (Weinheim an der Bergstrasse, Germany)

Kubota Y, Kasatani K, Niwa T, Sato H, Funabiki K, Matsui M.
PMID: 26670268
Chemistry. 2016 Jan 26;22(5):1816-24. doi: 10.1002/chem.201503625. Epub 2015 Dec 16.

Pyrimidine-based diboron complexes bearing β-iminoenolate ligands and phenyl groups as bulky substituents on the boron atoms were synthesized as novel fluorescent dyes, and their fluorescence properties were investigated in solution and in the solid state. The diboron complexes with...

Concentrating aggregation-induced fluorescence in planar waveguides: a proof-of-principle.

Scientific reports

Banal JL, White JM, Ghiggino KP, Wong WW.
PMID: 24844675
Sci Rep. 2014 Apr 10;4:4635. doi: 10.1038/srep04635.

The photophysical properties of fluorescent dyes are key determinants in the performance of luminescent solar concentrators (LSCs). First-generation dyes--coumarin, perylenes, and rhodamines--used in LSCs suffer from both concentration quenching in the solid-state and small Stokes shifts which limit the...

Showing 1 to 12 of 987 entries