Two-photon oxygen sensing with quantum dot-porphyrin conjugates

CM Lemon, E Karnas, MG Bawendi… - Inorganic …, 2013 - ACS Publications
porphyrin conjugates may be used for oxygen sensing over … sensor (9) to probe biological
microenvironments. Herein, … 160 Torr) oxygen sensor that covers the oxygen concentration …

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
… Schematic representation of the oxygen sensing method developed in this study. The quantum
dot-porphyrin … Through FRET, the porphyrin is promoted to an excited electronic state. …

Optical oxygen sensing with quantum dot conjugates

CM Lemon - Pure and Applied Chemistry, 2018 - degruyter.com
… Consequently, Au(III) corroles, which are isoelectronic with Pt(II) porphyrins, have been
reported as optical oxygen sensors [89]. These complexes emit in the 780–795 nm region with …

Surface photochemistry of quantum dot-porphyrin nanoassemblies for singlet oxygen generation

E Zenkevich, C von Borczyskowski - Photoinduced Processes at …, 2015 - ACS Publications
… QD-porphyrin nanoassemblies and … oxygen molecule (quencher of a porphyrin S1-state)
to the excited extra-ligand. Such screening effects were found also in self-assembled porphyrin

A Curated Graphene Quantum Dot-Porphyrin-Based Photosensitizer for Effective Singlet Oxygen Generation through Energy Transfer

R Sinha, OS Jaykishan, P Purkayastha - Langmuir, 2023 - ACS Publications
oxygen generation. Also, since the attached electron-withdrawing groups to the porphyrin
m-nitrophenyl)porphyrin (TNPP) (Scheme 1a) for singlet oxygen generation via energy transfer…

Microparticle ratiometric oxygen sensors utilizing near-infrared emitting quantum dots

BB Collier, S Singh, M McShane - Analyst, 2011 - pubs.rsc.org
… Quantum dots have yet to be widely employed as insensitive … dots in conjunction with a
long-lifetime platinum(II) porphyrin phosphor in a microsphere-based, ratiometric oxygen sensor. …

In vitro detection of hypoxia using a ratiometric quantum dot-based oxygen sensor

A Shamirian, H Samareh Afsari, A Hassan… - … sensors, 2016 - ACS Publications
porphyrin coupled chromophores to profile oxygen levels in vivo, although the gas was
quantified via modulation of the Pd(II)-porphyrin … et al. demonstrated oxygen sensing using CdSe/…

Supramolecular quantum dot-porphyrin assemblies for biological oxygen sensing

CM Lemon - 2013 - dspace.mit.edu
… new oxygen sensors that are a supramolecular assemblies of a quantum dot (QD) and a
palladium(II) porphyrin. High spectral overlap between QD emission and porphyrin absorption …

Porphyrin as diagnostic and therapeutic agent

N Tsolekile, S Nelana, OS Oluwafemi - Molecules, 2019 - mdpi.com
… to generate singlet oxygen. The generation of singlet oxygen by porphyrins results from their
… showed the new class of porphyrin-implanted carbon nano-dots as promising material for …

TADF-Emitting Zn (II)-Benzoporphyrin: An indicator for simultaneous sensing of oxygen and temperature

SE Zieger, A Steinegger, I Klimant, SM Borisov - ACS sensors, 2020 - ACS Publications
… the β-position of the porphyrin. The emission of these complexes is dually responsive to
oxygen (decay time … The fit (indicated by dash-dot lines) is performed according to eqs 3 and 4. …