TIME TABLE

TIME Monday Tuesday Wednesday Thursday Friday June 22 June 23 June 24 June 25 June 26

9.00 - 9.45 Registration Morgan Mugele Bazant Chen 9.45 - 10.30 Ramos Mugele Bazant Green Chen

11.00 - 11.45 Morgan Bazant Green Chen Ramos 11.45 - 12.30 Mugele Green Chen Ramos Ramos

14.30 - 15.15 Bazant Chen Ramos Morgan 15.15 - 16.00 Green Ramos Morgan Mugele 16.30 - 17.15 Chen Green Mugele Bazant 17.15 - 18.00 Morgan e-mail: [email protected] fax +390432248550 tel. +390432248511 (6lines) 33100 Udine(Italy) Palazzo delTorso -Piazza Garibaldi18 CISM For furtherinformationpleasecontact: our website,orcanbemaileduponrequest. on available is accommodation and travel about Information web site:http://www.daad.de/de/kontakt.html e-mail: postmaster[at]daad.de tel. +49(228)882-0 DAAD, Kennedyallee50,53175Bonn support toGermanstudents.Pleasecontact: offers (DAAD) Dienst Austausch Akademischer Deutscher The to applicantsfromcountriesthatsponsorCISM. given be will Preference funding. provide cannot institute the that confirming supervisor a or department the of head the by with the applicant's curriculum and a letter of recommendation quests should be sent to CISM Secretariat by Re- hotel. priced reasonably a in lodging and/or board offered be can institutions own their by supported not are who centres A limited number of participants from universitites and research The registrationfeeis600,00Euro. our secretariat. contact please registration for assistance need you If pants. partici accepted to sent be will confirmation of message A our website:http://www.cism.it orbypost. of the course. Application forms should be sent on-line through Applicants must apply at least one month before the beginning ADMISSION ANDACCOMMODATION April 22, 2009 along -

Centre International des Sciences Mécaniques ACADEMIC YEAR 2009 International Centre for Mechanical Sciences The Broglio Session AND ELECTROHYDRODYNAMICS Udine, June22-26,2009 IN MICROSYSTEMS ELECTROKINETICS University ofSeville Advanced School Antonio Ramos coordinated by Spain ELECTROKINETICS AND ELECTROHYDRODYNAMICS IN MICROSYSTEMS INVITED LECTURERS

The manipulation of colloidal will have a short introduction on manipulated (e.g. Electrowetting); ohmic regime, where quasi-electro- Martin Z. Bazant - Stanford University, CA, USA particles and fluids in microsy- electrical forces on particles in and continuous , whe- neutrality holds. The ohmic regime 5 lectures on: Induced-charge Electrokinetics. The lectures will stems has many existing and suspension, impedance detec- re the liquid flows through conduits of EHD flows will be established provide an introduction to nonlinear in potential applications. Among tion of particles and (e.g. Electrohydrodynamics and by presenting the Taylor-Melcher microfluidics and colloids, driven by induced charge on polariza- the most promising techniques to spectroscopy. The relation between Electrokinetics). leaky-dielectric model. The impor- ble surfaces in response to applied voltages. handle small objects at the micro- dielectric spectroscopy of suspen- The part of the course dedicated tant issue of Electrokinetic flow metre scale are those that employ sions and DEP measurements will to Electrowetting will start with the instabilities will then be analysed. Chuan-Hua Chen - Duke University, Durham, NC, USA electrical forces, which have the be shown. The theory of Dielectro- basic concepts of wetting in the In addition, the physics of the 6 lectures on: Electrohydrodynamics and Electrokinetic Flows. advantages of voltage-based phoresis will be examined in depth: framework of the sharp interface EHD cone-jet transitions will be After reviewing the fundamentals of Taylor-Melcher leaky- control and dominance over other the dielectric forces and torques model. The statics and dynamics of discussed. dielectric model, we will discuss the physics of electrokinetic forces. The latter is a clear exam- An important part of electrically on particles and particle-particle electrowetting will then be exami- flow instabilities and electrohydrodynamic cone-jet transitions, ple of the scaling laws of physical interaction will be presented from ned. Applications of electrowetting induced flows are generated by systems: in the range above a few first principles. Different analytical in Lab-on-Chip, Optics, displays forces in the electrical double as well as the applications in microfluidic systems including millimetres the electrical forces are and numerical solution methods and MEMS will be presented. layer. The course will provide an electrophoretic separation and droplet generation. rather ineffective, but in the micro- will be covered. Other effects, such Another part of the course will introduction of Induced Charge metre (and submicrometre) scale as Brownian motion of nanoparti- give an overview of EHD micro- Electrokinetics of particles and Nicolas G. Green - University of Southampton, UK the electrical forces dominate. cles, will be studied in the context pumps. The lectures will start fluids. After presenting the classi- 5 lectures on: Theory. Lectures will examine The aim of the course is to of the DEP manipulation. Practical with basic concepts of electrical cal picture of electroosmosis and dielectric forces including dielectrophoresis, electroorientation, provide a state-of-the-art knowled- applications of DEP in Microsy- conduction in liquids, electrical , we will examine particle-particle interaction, electrorotation and travelling wave ge on both theoretical and applied stems and the Lab-on-Chip, such forces and electro-mechanical the basic equations of induced dielectrophoresis from first principles to the latest develop- aspects of the electrical manipu- as DEP manipulation and separa- equations. The different kinds of charge electro-osmosis, induced ments. Different analytical and numerical solution methods and lation of colloidal particles and tion of cells and nanoparticles, will EHD actuation will be described: charge electrophoresis and ac different example geometries will be studied. The strong influ- fluids in microsystems. To achieve also be analysed. Details of the from forces in the liquid bulk to electro-osmosis. The theoretical ence of the Electrical Double Layer in aqueous media and the this goal, the course will cover the fabrication process of microelec- forces in the electrical double layer. problems of electrokinetics at large Brownian motion for nanoparticles will also be analysed. following topics: Dielectrophoresis trodes and microfluidic chips will We will analyse the range of liquid induced voltages will be exposed. (DEP), Electrowetting, Electro- be given. conductivity that each micropump The course is addressed to hydrodynamics (EHD) in microsy- The electrical manipulation of can actuate. doctoral students, young or senior Hywel Morgan - University of Southampton, UK stems, and Electrokinetics of fluids fluids in microsystems can be divi- Most of microfluidic applica- researchers, chemical engineers 5 lectures on: Dielectrophoresis Applications. The lectures will and particles. ded loosely into two categories: di- tions are designed for electrolytic and/or biotechnologists with an start with some basic concepts of electrical forces on particles The lectures dedicated to the gital microfluidics, where the liquid solutions (such as aqueous solu- interest in Microfluidics, Lab-on- (including nano-particles) in suspension. They will then progress DEP manipulation of particles is subdivided into droplets that are tions). They are in the so-called Chip or MEMS. onto practical applications in Microsystems and the Lab on Chip, from micro-fabrication techniques for microfluidic chips to single particle manipulation and spectroscopic methods.

Frieder Mugele - University of Twente, The Netherlands 5 lectures on: Electrowetting: theory and applications. After PRELIMINARY SUGGESTED READINGS LECTURES repeating the basic concepts of wetting, we will discuss the physical principles of electrowetting (EW) for both equilibrium A. Castellanos (Ed.), “Electrohydro- D.A. Saville, “Electrohydrodynamics: T.M. Squires, M.Z. Bazant, “Induced- All lectures will be given in English. and dynamic situations. On this basis, we will discuss various dynamics”, CISM Courses and the Taylor-Melcher leaky dielectric charge electro-osmosis”, Journal Lecture notes can be downloaded applications of EW, including Lab-on-a-Chip, optics, displays Lectures no. 380, Springer-Verlag, model,” Annual Review of Fluid Me- of Fluid Mechanics, vol. 509, pp. from CISM web site, instructions will and MEMS. Wien, New York, 1998. chanics, vol. 29, pp. 27 – 64, 1997. 217-252, 2004. be sent to accepted participants. Antonio Ramos - University of Seville, Spain H. Morgan, N.G. Green, “AC Electroki- F. Mugele and J.C. Baret, “Electro- 6 lectures on: Electrohydrodynamic Micropumps. The lectures netics: Colloids and Nanoparticles”, wetting: from basics to applictions”, will start with some basic aspects of electrical conduction in Research Studies Press, Hertfordshi- Journal of Physics: Condensed Mat- liquids and some basic fluid-mechanic aspects of micropumps. re, England, 2003. ter, vol. 17, pp. R705–R774, 2005. We will describe the physics of the different kinds of electro- hydrodynamic actuation. We will examine how the different pumping techniques depend on the conductivity of the working liquid.