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Detection of Atomic Scale Changes in the Free Volume Void Size of Three-Dimensional Colorectal Cancer Cell Culture Using Positron Annihilation Lifetime Spectroscopy
Axpe Iza, Eneko; López Euba, Tamara; Castellanos Rubio, Ainara; Mérida Sanz, David; ; Plaza-Izurieta, Leticia; Fernández-Jiménez, Nora; Plazaola Muguruza, Fernando 
; Bilbao Catalá, José Ramón (Public Library of Science, 2014-01-02)
; Bilbao Catalá, José Ramón (Public Library of Science, 2014-01-02)
Positron annihilation lifetime spectroscopy (PALS) provides a direct measurement of the free volume void sizes in polymers and biological systems. This free volume is critical in explaining and understanding physical and ...