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izvor podataka: crosbi

Algal cell nanomechanical properties and adhesion dynamics at the model interface (CROSBI ID 662501)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Pillet, F. ; Dague, E. ; Pečar Ilić, Jadranka ; Ružić, Ivica ; Rols, M-P. ; Ivošević DeNardis, Nadica Algal cell nanomechanical properties and adhesion dynamics at the model interface // Talking molecules: the networks that shape the living world, 2nd Annual COST Action Meeting CA 15126 / Szczepanowski, R (ur.). Varšava: Poland, 2018. str. 14-14

Podaci o odgovornosti

Pillet, F. ; Dague, E. ; Pečar Ilić, Jadranka ; Ružić, Ivica ; Rols, M-P. ; Ivošević DeNardis, Nadica

engleski

Algal cell nanomechanical properties and adhesion dynamics at the model interface

We examine the nanomechanical properties and adhesion dynamics of the marine, unicellular, green flagellate Dunaliella tertiolecta in laboratory culture. Mechanical properties of motile cells are hard to access while keeping cells viable, and studies to date are limited. Immobilization of negatively charged cells to a positively charged substrate enables high-resolution imaging and nanomechanical measurements. Cells in exponential phase possess a large cell volume as imaged by AFM, in agreement with the large amount of amperometrically measured displaced charge at the interface. Cells are stiffer and more hydrophobic in exponential than in the stationary phase. Differences in the critical interfacial tensions of adhesion of cells in exponential and stationary phase show the analogy with adhesion of hydrophobic droplets of organic liquids. Differences in the kinetics of adhesion and spreading of cells at the interface are attributed to their volume and nanomechanical properties that vary during cell aging. Cell mechanical properties could be considered as a marker for environmental stress in order to better understand viability and adaptation strategies of algal populations in aquatic systems.

adhesion dynamics ; cells ; nanomechanical properties

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Podaci o prilogu

14-14.

2018.

objavljeno

Podaci o matičnoj publikaciji

Talking molecules: the networks that shape the living world, 2nd Annual COST Action Meeting CA 15126

Szczepanowski, R

Varšava: Poland

Podaci o skupu

2nd Annual COST ACTION meeting CA15126

predavanje

19.03.2018-21.03.2018

Varšava, Poljska

Povezanost rada

Biologija, Elektrotehnika, Interdisciplinarne prirodne znanosti