Dye-concentrated organically modified silica nanoparticles as a ratiometric fluorescent pH probe by one- and two-photon excitation

Sehoon Kim; Haridas E. Pudavar; Paras N. Prasad

doi:10.1039/b600926c

Dye-concentrated organically modified silica nanoparticles as a ratiometric fluorescent pH probe by one- and two-photon excitation

Sehoon Kim
, Haridas E. Pudavar
, Paras N. Prasad

Chemistry

University at Buffalo

SUNY Buffalo

Research output: Contribution to journal › Article › peer-review

78 Scopus citations

Abstract

Basic dye-concentrated nanoparticles (∼ 33 nm in diameter) show fluorescence-based ratiometric pH response, by one- and two-photon excitations, with improved proton sensing ability (pK_a ∼ 6.4) through nanoscopic intraparticle energy transfer.

Original language	English
Pages (from-to)	2071-2073
Number of pages	3
Journal	Chemical Communications
Issue number	19
DOIs	https://doi.org/10.1039/b600926c
State	Published - 2006

Access to Document

10.1039/b600926c

Cite this

@article{febfd9fc8a494f48846ac7d2a572fdaa,

title = "Dye-concentrated organically modified silica nanoparticles as a ratiometric fluorescent pH probe by one- and two-photon excitation",

abstract = "Basic dye-concentrated nanoparticles (∼ 33 nm in diameter) show fluorescence-based ratiometric pH response, by one- and two-photon excitations, with improved proton sensing ability (pKa ∼ 6.4) through nanoscopic intraparticle energy transfer.",

author = "Sehoon Kim and Pudavar, \{Haridas E.\} and Prasad, \{Paras N.\}",

year = "2006",

doi = "10.1039/b600926c",

language = "English",

pages = "2071--2073",

journal = "Chemical Communications",

issn = "1359-7345",

publisher = "Royal Society of Chemistry",

number = "19",

}

TY - JOUR

T1 - Dye-concentrated organically modified silica nanoparticles as a ratiometric fluorescent pH probe by one- and two-photon excitation

AU - Kim, Sehoon

AU - Pudavar, Haridas E.

AU - Prasad, Paras N.

PY - 2006

Y1 - 2006

N2 - Basic dye-concentrated nanoparticles (∼ 33 nm in diameter) show fluorescence-based ratiometric pH response, by one- and two-photon excitations, with improved proton sensing ability (pKa ∼ 6.4) through nanoscopic intraparticle energy transfer.

AB - Basic dye-concentrated nanoparticles (∼ 33 nm in diameter) show fluorescence-based ratiometric pH response, by one- and two-photon excitations, with improved proton sensing ability (pKa ∼ 6.4) through nanoscopic intraparticle energy transfer.

UR - https://www.scopus.com/pages/publications/33646592863

U2 - 10.1039/b600926c

DO - 10.1039/b600926c

M3 - Article

C2 - 16767279

SN - 1359-7345

SP - 2071

EP - 2073

JO - Chemical Communications

JF - Chemical Communications

IS - 19

ER -

Dye-concentrated organically modified silica nanoparticles as a ratiometric fluorescent pH probe by one- and two-photon excitation

Abstract

Access to Document

Other files and links

Fingerprint

Cite this