Time-Domain Fluorescence Lifetime Imaging Techniques Suitable for Solid-State Imaging Sensor Arrays

Day-Uei Li, Simon Ameer-Beg, Jochen Arlt, David Tyndall, Richard Walker, Daniel Matthews, Viput Visitkul, J. Richardson, Robert Henderson

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

We have successfully demonstrated video-rate CMOS single-photon avalanche diode (SPAD)-based cameras for fluorescence lifetime imaging microscopy (FLIM) by applying innovative FLIM algorithms. We also review and compare several time-domain techniques and solid-state FLIM systems, and adapt the proposed algorithms for massive CMOS SPAD-based arrays and hardware implementations. The theoretical error equations are derived and their performances are demonstrated on the data obtained from 0.13 μm CMOS SPAD arrays and the multiple-decay data obtained from scanning PMT systems. In vivo two photon fluorescence lifetime imaging data of FITC-albumin labeled vasculature of a P22 rat carcinosarcoma (BD9 rat window chamber) are used to test how different algorithms perform on bi-decay data. The proposed techniques are capable of producing lifetime images with enough contrast.
Original languageEnglish
Pages (from-to)5650-5659
Number of pages10
JournalSensors
Volume12
Issue number5
DOIs
Publication statusPublished - 2 May 2012

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