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Showing 1 to 12 of 13 entries
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General Synthetic Method for Si-Fluoresceins and Si-Rhodamines.

ACS central science

Grimm JB, Brown TA, Tkachuk AN, Lavis LD.
PMID: 28979939
ACS Cent Sci. 2017 Sep 27;3(9):975-985. doi: 10.1021/acscentsci.7b00247. Epub 2017 Aug 09.

The century-old fluoresceins and rhodamines persist as flexible scaffolds for fluorescent and fluorogenic compounds. Extensive exploration of these xanthene dyes has yielded general structure-activity relationships where the development of new probes is limited only by imagination and organic chemistry....

Near-infrared fluorescein dyes containing a tricoordinate boron atom.

Chemical science

Ando N, Soutome H, Yamaguchi S.
PMID: 31588332
Chem Sci. 2019 Jul 03;10(33):7816-7821. doi: 10.1039/c9sc02314c. eCollection 2019 Sep 07.

Bora-fluoresceins (

Photostability and spectral properties of fluorinated fluoresceins and their biarsenical derivatives: a combined experimental and theoretical study.

Photochemistry and photobiology

Spagnuolo CC, Massad W, Miskoski S, Menendez GO, García NA, Jares-Erijman EA.
PMID: 19500295
Photochem Photobiol. 2009 Sep-Oct;85(5):1082-8. doi: 10.1111/j.1751-1097.2009.00565.x. Epub 2009 May 20.

New fluorinated biarsenical derivatives with improved optical properties based on highly photostable analogs of fluorescein were recently introduced. The photophysical parameters of the triplet excited states as well as photosensitized oxidation reactions of these dyes were determined in order...

Studies on fluorescein-II The solubility and acid dissociation constants of fluorescein in water solution.

Talanta

Diehl H, Markuszewski R.
PMID: 18963816
Talanta. 1985 Feb;32(2):159-65. doi: 10.1016/0039-9140(85)80049-7.

The solubility of yellow fluorescein and of red fluorescein as a function of pH has been measured in water at ionic strength 0.10. The pH of minimum solubility is the same for both, 3.28. The intrinsic solubility, defined as...

Photoinitiated Free-Radical Polymerization of 4,5,6,7-Tetrahalogenated Fluoresceins.

Chemistry, an Asian journal

Jung YJ, Nganga JB, Cho JH, Lee HI, Lee JK.
PMID: 34213840
Chem Asian J. 2021 Sep 01;16(17):2413-2416. doi: 10.1002/asia.202100619. Epub 2021 Jul 16.

We demonstrated the photoredox catalytic performances of fluorescein derivatives, bearing heavy halogen atoms (Br or I) on a benzoic acid group, using photoinitiated free-radical polymerization. 4,5,6,7-Tetrabromofluorescein and 4,5,6,7-tetraiodofluorescein were used as visible-light-photoredox catalysts to initiate polymerization of poly(ethylene glycol)...

Auxin transport inhibitors: fluorescein and related compounds.

Plant physiology

Katekar GF, Geissler AE.
PMID: 16659362
Plant Physiol. 1975 Nov;56(5):645-6. doi: 10.1104/pp.56.5.645.

Fluoresceins are shown to be effective inhibitors of indoleacetic acid transport as measured by the receiver agar block technique, eosin having the same order of activity as 2,3,5-triiodobenzoic acid and N-1-naphthylphthalamic acid, with fluorescein less effective. It is suggested...

Specific protein labeling with caged fluorophores for dual-color imaging and super-resolution microscopy in living cells.

Chemical science

Hauke S, von Appen A, Quidwai T, Ries J, Wombacher R.
PMID: 28451202
Chem Sci. 2017 Jan 01;8(1):559-566. doi: 10.1039/c6sc02088g. Epub 2016 Sep 05.

We present new fluorophore-conjugates for dual-color photoactivation and super-resolution imaging inside live mammalian cells. These custom-designed, photo-caged Q-rhodamines and fluoresceins are cell-permeable, bright and localize specifically to intracellular targets. We utilized established orthogonal protein labeling strategies to precisely attach...

Balanced Intersystem Crossing in Iodinated Silicon-Fluoresceins Allows New Class of Red Shifted Theranostic Agents.

ACS medicinal chemistry letters

Cetin S, Elmazoglu Z, Karaman O, Gunduz H, Gunbas G, Kolemen S.
PMID: 34055222
ACS Med Chem Lett. 2021 Mar 16;12(5):752-757. doi: 10.1021/acsmedchemlett.1c00018. eCollection 2021 May 13.

Iodination of the silicon-fluorescein core revealed a new class of highly cytotoxic, red-shifted and water-soluble photosensitizer (SF-I) which is also fairly emissive to serve as a theranostic agent. Singlet oxygen generation capacity of SF-I was evaluated chemically, and up...

Mild synthesis of asymmetric 2'-carboxyethyl-substituted fluoresceins.

The Journal of organic chemistry

Lukhtanov EA, Vorobiev AV.
PMID: 18302409
J Org Chem. 2008 Mar 21;73(6):2424-7. doi: 10.1021/jo702422v. Epub 2008 Feb 27.

Asymmetric fluoresceins bearing a carboxyethyl group in the chromophoric portion of the dyes were prepared by a reaction of substituted phthalic anhydride with a carboxyethyl substituted resorcinol analogue followed by a condensation with a second resorcinol analogue. In order...

In Vivo Nerve-Specificity of Rhodamines and Si-rhodamines.

Proceedings of SPIE--the International Society for Optical Engineering

Montaño AR, Wang LG, Barth CW, Shams NA, Kumarapeli KASU, Gibbs SL.
PMID: 32255888
Proc SPIE Int Soc Opt Eng. 2020 Feb;11222. doi: 10.1117/12.2545311. Epub 2020 Feb 19.

Accidental nerve damage or transection of vital nerve structures remains an unfortunate reality that is often associated with surgery. Despite the existence of nerve-sparing techniques, the success of such procedures is not only complicated by anatomical variance across patients...

A Cu(II) Indicator Platform Based on Cu(II) Induced Swelling that Changes the Extent of Fluorescein Self-Quenching.

Polymers

Wang F, Planalp RP, Seitz WR.
PMID: 31775268
Polymers (Basel). 2019 Nov 25;11(12). doi: 10.3390/polym11121935.

In this study, we established a new fluorescent indicator platform. The responsive element consists of poly(N-isopropylacrylamide) nanospheres that include small percentages of fluorescein and a ligand, anilinodiacetate (phenylIDA). Nanosphere diameters were determined to be in the range from 50...

Selective Conversion of P=O-Bridged Rhodamines into P=O-Rhodols: Solvatochromic Near-Infrared Fluorophores.

Chemistry (Weinheim an der Bergstrasse, Germany)

Grzybowski M, Taki M, Yamaguchi S.
PMID: 28748577
Chemistry. 2017 Sep 21;23(53):13028-13032. doi: 10.1002/chem.201703456. Epub 2017 Aug 22.

The substitution of an oxygen atom in rhodols with a phosphine oxide (P=O) moiety affords P=O-bridged rhodols as a new type of near-infrared (NIR) fluorophore. This compound class can be readily accessed upon exposure of the corresponding rhodamines to...

Showing 1 to 12 of 13 entries