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Digital Holographic Microscopy with extended field of view using tool for generic image stitching
Piotr Stępień,Damian Korbuszewski,Małgorzata Kujawińska 한국전자통신연구원 2019 ETRI Journal Vol.41 No.1
This paper describes in detail the processing path leading to successful phase images stitching in digital holographic microscope for the extension of the field of view. It applies FIJI Grid/Collection Stitching Plugin, which is a general tool for images stitching, non‐specific for phase images. The FIJI plugin is extensively supported by aberration and phase offset correction. Comparative analysis of different aberration correction methods and data processing strategies is presented, together with the critical analysis of their applicability. The proposed processing path provides good background for statistical phase analysis of cell cultures and digital phase pathology.
Majewski, Marcin A.,Chmielewski, Piotr J.,Chien, Alan,Hong, Yongseok,Lis, Tadeusz,Witwicki, Maciej,Kim, Dongho,Zimmerman, Paul M.,Stę,pień,, Marcin Royal Society of Chemistry 2019 Chemical science Vol.10 No.11
<▼1><P>A diindenophenanthrene biradicaloid, formally derived from Chichibabin's hydrocarbon, is obtained in a short, scalable synthesis.</P></▼1><▼2><P>A diindenophenanthrene biradicaloid, formally derived from Chichibabin's hydrocarbon, is obtained in a short, scalable synthesis. The present system is electron-rich and devoid of conjugated substituents, and still exhibits very good stability under ambient conditions. The introduction of the diindeno[1,2-<I>a</I>:2′,1′-<I>i</I>] phenanthrene ring framework results in a singlet biradicaloid system with an easily accessible triplet state (Δ<I>E</I><SUB>S–T</SUB> = –1.30 kcal mol<SUP>–1</SUP>) and a small electronic bandgap (1.39 V). The stability limits of the title hydrocarbon were explored systematically in the solid state, to reveal an unusual thermally initiated hydrogen-scrambling oligomerization process.</P></▼2>