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关于参加悉尼科技大学Dayong Jin教授学术讲座的通知

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报告题目:Upconversion Photonics and Emerging Applications

Speaker:Dayong Jin

Dayong Jin is a Distinguished Professor at the University of Technology Sydney since 2017 and a Chair Professor at Southern University of Science and Technology since 2019. Professor Jin is the recipient of Australian Museum Eureka Prize 2015, 2017 Australian Academy of Science engineering science medal, and Australian Prime Minister Prize for Science – Physical Scientist of the Year 2017.

His research has been in the physical, engineering and interdisciplinary sciences. He is a technology developer with expertise covering optics, luminescent materials, sensing, automation devices, microscopy imaging, and analytical chemistry to enable rapid detection of cells and molecules and engineering of sensors and photonics devices.

报告时间:2020-6-8  8.00-10.00   腾讯会议ID: 87696752

Abstract:

Upconversion nanoparticles represent an entirely new class of multi-colour fluorescent probes that are co-doped with a network of lanthanide ions as sensitizers and emitters [1]. The sensitizers absorb near-infrared photons and sequentially transfer the excited-state energy to the inter-mediate meta-stable states of emitters that can eventually up-convert low-energy photons into higher ones. A single UCNP can be highly doped with more than 104 ions, each ion’s 4f atomic orbital being
shielded, to generate high brightness [2], non-blinking and photo-bleaching resistant emissions [3]. Their exceptional brightness under microscopy and non-linear optical properties make UCNPs suitable for single-molecule imaging, super-resolution imaging [5] and anti-counterfeiting applications [6]. My labs have been focusing on the investigations of highly doped upconversion nanoparticles [2] [3] and developed the following emerging applications in high contrast nanoscopy [7], microscopic tracking of single upconversion nanoparticles in living cells [6], multi-photon near-infrared emission saturation nanoscopy [8], Bessel beam mapping of single nanoparticles inside tumor spheroids [9], nonlinear structured illumination microscopy [10], fourier domain heterochromatic fusion for single beam scanning super-resolution microscopy [11], axial localization and tracking of self-interference nanoparticles by lateral point spread functions (new results not yet published), single nanoparticle lasing (new results not yet published),super-capacity single molecule digital assays (new results not yet published), and optical tweezers (new results not yet published).  

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