Jin, Hui Ratiometric two-photon excited photoluminescence of quantum dots triggered by near-infrared-light for real-time detection of nitric oxide release in situ. [electronic resource] - Analytica chimica acta May 2016 - 48-54 p. digital Publication Type: Journal Article ISSN: 1873-4324 Standard No.: 10.1016/j.aca.2016.03.052 doi Subjects--Topical Terms: Fluorescent Dyes--chemistryHeLa CellsHumansInfrared RaysLimit of DetectionLuminescenceNanocompositesNitric Oxide--analysisPhotonsQuantum DotsSpectrometry, Fluorescence--methodsTumor Microenvironment