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First meeting on Biophysical approaches to exopolymeric particle dynamics in aquatic ecosystems

Organized by Juan Calvo, Juan de Vicente, Isabel Reche and Juan Soler.

Date: June 26th-27th.

Place: Universidad de Granada.


The role and dynamics of exopolymer particles released by phytoplankton and bacteria in the global carbon cycle still have several knowledge gaps. Exopolymer particles can interfere with the exchange of gases at the water-atmosphere interface and can also promote the export of carbon to deep-sea or lake sediments and store it on a long-term scale. An alternative approach to analyzing the behaviour and fate of exopoymeric particles is the theory of polymer networks and gels. This meeting brings together leading experts in the dynamics of exopolymer particles in aquatic ecosystems along with biophysicists and mathematicians with the aim of exploring modeling possibilities to advance the understanding of the global carbon cycle from an interdisciplinary point of view.


Wednesday 26 (Sala de Juntas)

9:00-9:15 - Opening statement (Isabel Reche).

9:15-10:00 - Oliver Wurl (Institute of Chemistry and Biology of the Marine Environment, Carl-von-Ossietzky University Oldenburg): The biofilm-like sea surface.

10:00-10:45 - Pedro Verdugo (Department of Bioengineering, University of Washington): Association dynamics of marine polyelectrolytes.

10:45-11:30 - Coffee break.

11:30-13:30 - Discussion.

13:30-16:00 - Lunch time.

16:00 onwards

Jesús Carlos Puebla (IESMAT S.A.): Difracción láser-Mastersizer

Francisco López (IESMAT S.A.): Dynamics light scattering y M3-Pals- Zetasizer Ultra

Equipment demos (Mastersizer + Zetasizer)

Thursday 27 (Sala de audiovisuales)

9:15-10:00 - Morten Iversen (MARUM research faculty, Universität Bremen): The role of aggregate composition for carbon flux and attenuation.

10:00-10:45 - Francisca Martínez-Ruiz (Instituto Andaluz de Ciencias de la Tierra): The role of exopolymeric substances in mineral precipitation: implications for the geological record and Earth System evolution.

10:45-11:30 - Recap (Juan Calvo) and coffee break.

11:30-13:30 - Discussion and drafting.

13:30-16:00 - Lunch time.

16:00 onwards

Francisco López (IESMAT S.A.): Multiple light scattering-Turbiscan

Equipment demos (Turbiscan)


The event will be held at Facultad de Ciencias of the University of Granada. In purple Sala de Juntas and Sala de audiovisuales.

Photo credit: Villacorte et al. 2010


Registration is free but compulsory for administrative purposes. If you want to register to this activity please send an email to, including your name and your institution.

Sponsored by Ministerio de Ciencia, Innovación y Universidades (project MTM2017-91054-EXP) and MNat research unit (UCE.PP2017.03).

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