Ratiometric porphyrin-based layers and nanoparticles for measuring oxygen in biosamples was written by Cywinski, Piotr J.;Moro, Artur J.;Stanca, Sarmiza E.;Biskup, Christoph;Mohr, Gerhard J.. And the article was included in Sensors and Actuators, B: Chemical in 2009.Electric Literature of C50H62N2O4 This article mentions the following:
Oxygen-sensitive polystyrene layers and nanoparticles were developed for measuring oxygen in biosamples. Polymer layers were prepared via spin-coating on glass plates while the nanoparticles were synthesized by microemulsion polymerization Platinum(II)meso-tetra(pentafluorophenyl)porphine (PtTFPP) was used as an oxygen sensor whereas N,N’-bis(1-hexylheptyl)perylene-3,4:9,10-bis-(dicarboximide) (S13) was used as a reference dye. For both, layers and nanoparticles, the sensor response was assessed in aqueous solution as well as in yeast culture. Quenching of porphyrin phosphorescence by oxygen was observed whereas fluorescence of the reference dye remained essentially unaffected. By using the signal of the reference dye fluctuations in the intensity of the excitation light or the nanosensor concentration can be easily corrected Both sensor systems were compared with respect to their spectral response and their sensitivity. In the experiment, the researchers used many compounds, for example, 2,9-Di(tridecan-7-yl)anthra[2,1,9-def:6,5,10-d’e’f’]diisoquinoline-1,3,8,10(2H,9H)-tetraone (cas: 110590-84-6Electric Literature of C50H62N2O4).
2,9-Di(tridecan-7-yl)anthra[2,1,9-def:6,5,10-d’e’f’]diisoquinoline-1,3,8,10(2H,9H)-tetraone (cas: 110590-84-6) belongs to isoquinoline derivatives. Quinoline is a mancude organic heterobicyclic parent, an azaarene, an ortho-fused heteroarene and a member of isoquinolines. The discovery of chloroquine, the most well-known drug containing this stent, has helped bring about decades of malaria control and treatment.Electric Literature of C50H62N2O4
Referemce:
Isoquinoline – Wikipedia,
Isoquinoline | C9H7N – PubChem