Two-photon absorbing nanocrystal sensors for ratiometric detection of oxygen

EJ McLaurin, AB Greytak, MG Bawendi… - Journal of the …, 2009 - ACS Publications
Two nanocrystal-osmium (II) polypyridyl (NC-Os (II) PP) conjugates have been designed to
detect oxygen in biological environments. Polypyridines appended with a single free amine …

Two-photon oxygen sensing with quantum dot-porphyrin conjugates

CM Lemon, E Karnas, MG Bawendi… - Inorganic …, 2013 - ACS Publications
Supramolecular assemblies of a quantum dot (QD) associated to palladium (II) porphyrins
have been developed to detect oxygen (pO2) in organic solvents. Palladium porphyrins are …

Micelle-Encapsulated Quantum Dot-Porphyrin Assemblies as in Vivo Two-Photon Oxygen Sensors

CM Lemon, E Karnas, X Han, OT Bruns… - Journal of the …, 2015 - ACS Publications
Micelles have been employed to encapsulate the supramolecular assembly of quantum dots
with palladium (II) porphyrins for the quantification of O2 levels in aqueous media and in …

Imaging of cellular oxygen via two-photon excitation of fluorescent sensor nanoparticles

X Wang, DE Achatz, C Hupf, M Sperber… - Sensors and Actuators B …, 2013 - Elsevier
Polystyrene nanoparticles (PSNPs) with an average size of 85 nm and loaded with an
oxygen-quenchable luminescent ruthenium complex were used to sense and image oxygen …

Ultra-small, highly stable, and sensitive dual nanosensors for imaging intracellular oxygen and pH in cytosol

X Wang, JA Stolwijk, T Lang, M Sperber… - Journal of the …, 2012 - ACS Publications
We report on the first dual nanosensors for imaging of pH values and oxygen partial
pressure in cells. The sensors have a unique nanostructure in that a soft core structure is …

Biocompatible fluorescent core–shell nanoparticles for ratiometric oxygen sensing

XH Wang, HS Peng, H Ding, FT You… - Journal of Materials …, 2012 - pubs.rsc.org
Ratiometric fluorescent core–shell nanoparticles (NPs) with good biocompatibility are
successfully prepared by a one-step reprecipitation–encapsulation method for sensing …

Ratiometric single‐nanoparticle oxygen sensors for biological imaging

C Wu, B Bull, K Christensen, J McNeill - Angewandte Chemie, 2009 - Wiley Online Library
Sicheres Auge für Sauerstoff: Mit einem Platinporphyrin‐Farbstoff dotierte, konjugierte
Polymernanopartikel weisen eine helle Phosphoreszenz auf, die sehr empfindlich auf die …

A ratiometric luminescent oxygen sensor based on a chemically functionalized quantum dot

M Amelia, A Lavie-Cambot… - Chemical …, 2011 - pubs.rsc.org
Nanoconjugates composed of CdSe–ZnS core–shell nanocrystals and pyrenyl ligands are
shown to exhibit a double photoluminescence. Owing to the different response of the two …

[HTML][HTML] Fluorescent/phosphorescent dual-emissive conjugated polymer dots for hypoxia bioimaging

Q Zhao, X Zhou, T Cao, KY Zhang, L Yang, S Liu… - Chemical …, 2015 - pubs.rsc.org
A kind of fluorescent/phosphorescent dual-emissive conjugated polyelectrolyte has been
prepared by introducing phosphorescent platinum (II) porphyrin (O2-sensitive) into a …

Ratiometric singlet oxygen nano‐optodes and their use for monitoring photodynamic therapy nanoplatforms

Y Cao, YEL Koo, SM Koo… - Photochemistry and …, 2005 - Wiley Online Library
Ratiometric photonic explorers for bioanalysis with biologically localized embedding
(PEBBLE) nanoprobes have been developed for singlet oxygen, using organically modified …