Measuring 3D molecular orientation and rotational mobility using a Tri-spot point spread function

Oumeng Zhang, Tianben Ding, Jin Lu, Hesam Mazidi, Matthew D. Lew

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

We present a method to measure the molecular orientation and rotational mobility of single-molecule emitters by designing and implementing a Tri-spot point spread function. It can measure all degrees of freedom related to molecular orientation and rotational mobility. Its design is optimized by maximizing the theoretical limit of its measurement precision. We evaluate the precision and accuracy of the Tri-spot PSF by measuring the orientation and effective rotational mobility of single fluorescent molecules embedded in a polymer matrix.

Original languageEnglish
Title of host publicationSingle Molecule Spectroscopy and Superresolution Imaging XI
EditorsFelix Koberling, Ingo Gregor, Jorg Enderlein, Rainer Erdmann, Zygmunt Karol Gryczynski
PublisherSPIE
ISBN (Electronic)9781510614857
DOIs
StatePublished - 2018
EventSingle Molecule Spectroscopy and Superresolution Imaging XI 2018 - San Francisco, United States
Duration: Jan 27 2018Jan 28 2018

Publication series

NameProgress in Biomedical Optics and Imaging - Proceedings of SPIE
Volume10500
ISSN (Print)1605-7422

Conference

ConferenceSingle Molecule Spectroscopy and Superresolution Imaging XI 2018
Country/TerritoryUnited States
CitySan Francisco
Period01/27/1801/28/18

Keywords

  • fluorescence microscopy
  • phase mask design
  • point spread function engineering
  • single-molecule imaging

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