Science and Engineering at The University of Edinburgh

Soft Condensed Matter, Biological Physics Experiment & Statistical Physics Seminars

Explanatory note

This is a weekly series of informal talks given primarily by members of the soft condensed matter and statistical mechanics groups, but is also open to members of other groups and external visitors. The aim of the series is to promote discussion and learning of various topics at a level suitable to the broad background of the group. Everyone is welcome to attend.

Speakers should read this note

Week beginning 25 September 2016

Monday 26 Sep 16 - 1:00pm

Soft meets hard: a microscopic view of the freeze-thaw stability of Pickering emulsions

Katy Dickinson (University of Edinburgh)

Abstract: Particle stabilised emulsions are widely used in the food and personal care industries and are present in common household products such as homogenised milk. It is therefore important to characterise the behaviour and stability of these composites under the influence of processes used both in industry and in daily life, such as freezing and thawing. Using confocal microscopy, we investigate the microscopic changes in structure of water-in-oil Pickering emulsions undergoing freeze-thaw cycles. We explore the effects of droplet size and cooling rate on both the behaviour of the emulsions during the freeze-thaw cycle and on the post-thaw structure. We also consider inhomogeneous sample cooling/heating and the resultant biliquid-foam patches which are produced under these conditions. These results help us to understand how hard materials, such as ice crystals, interact with soft materials at the microscopic level.

Upcoming meetings

Monday 3 Oct 16 - 1:00pm - Room 2511

To be confirmed

Carolina Pereira (University of Edinburgh)

Monday 10 Oct 16 - 1:00pm - Room 2511

To be confirmed

Marieke Schor (University of Edinburgh)

Monday 17 Oct 16 - 1:00pm - Room 2511

To be confirmed

Davide Michieletto (University of Edinburgh)

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Note for speakers

  • We try to encourage an informal atmosphere.
  • To encourage discussion, talks are limited to 30/40 mins plus up to 20/10 mins for questions.
  • Almost any style of talk is allowed and resident speakers are encouraged to give a variety of different types of talk during their stay at Edinburgh. Examples include talks about the speaker's research, a particular paper or publication (`Journal Club' talks), pedagogical talks, question-and-answer sessions, etc.
  • Speakers are encouraged to pitch their seminars to the whole group.
  • I would be grateful if the next speaker on the list could inform me of the title and short abstract (it should fit onto the usual advertising poster) of his/her talk by Wednesday of the week before, to allow me to do the advertising.
  • Anyone unable to give their talk on the scheduled date should in the first instance try to rearrange with someone else on the list, and only then inform me of the final outcome so that I can change the rota.
  • Talks of soft condensed matter students can only be cancelled with permission from Prof. Cates, and should be done as far in advance as possible to give some chance of finding a replacement.
  • If anyone would like to volunteer a seminar themselves, knows of a visitor or new arrival who might be willing to give a talk, or for any other queries, please contact the seminar organiser (see below for email address).