Journal
JOURNAL OF BIOMEDICAL OPTICS
Volume 15, Issue 6, Pages -Publisher
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.3505017
Keywords
single molecule localization; superresolution microscopy; low-light detector; noise model; maximum likelihood method
Funding
- National Natural Science Foundation of China [30970691, 30927001, 30925013]
- Scientific Research Foundation for the Returned Overseas Chinese Scholars, Ministry of Education of China
- Wuhan National Laboratory for Optoelectronics
- State Key Laboratory of Bioelectronics, Southeast University
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Localization of a single fluorescent molecule is required in a number of superresolution imaging techniques for visualizing biological structures at cellular and subcellular levels. The localization capability and limitation of low-light detectors are critical for such a purpose. We present an updated evaluation on the performance of three typical low-light detectors, including a popular electron-multiplying CCD (EMCCD), a newly developed scientific CMOS (sCMOS), and a representative cooled CCD, for superresolution imaging. We find that under some experimental accessible conditions, the sCMOS camera shows a competitive and even better performance than the EMCCD camera, which has long been considered the detector of choice in the field of superresolution imaging. (C) 2010 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3505017]
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