Partner: Jan Guzowski


Recent publications
1.Guzowski J., Jakieła S., Korczyk P.M., Garstecki P., Custom tailoring multiple droplets one-by-one, LAB ON A CHIP, ISSN: 1473-0197, DOI: 10.1039/c3lc50841b, Vol.13, pp.4308-4311, 2013
Abstract:

We report automated generation of arbitrary sequences of multiple microdroplets with online and individual control over the number of cores and volumes of all the constituents (cores and shells) of each of the multiple droplets. We show that a given sequence of volumes of the cores always folds to the same final three-dimensional architecture. The method presents the first proof-of-concept for the ability to design the three-dimensional structure of multiple droplets. We discuss the potential use of the technique in the formulation of predetermined distribution of drug release capsules and for automated generation of functional chemical microdroplet networks.

Keywords:

multiple droplets, microfluidics

Affiliations:
Guzowski J.-other affiliation
Jakieła S.-Institute of Physical Chemistry, Polish Academy of Sciences (PL)
Korczyk P.M.-IPPT PAN
Garstecki P.-Institute of Physical Chemistry, Polish Academy of Sciences (PL)
2.Guzowski J., Korczyk P.M., Jakieła S., Garstecki P., The structure and stability of multiple micro-droplets, SOFT MATTER, ISSN: 1744-683X, DOI: 10.1039/c2sm25838b, Vol.8, pp.3269-3278, 2012
Abstract:

Microfluidic droplet-on-demand systems allow the controllable construction of multiple droplets of previously unattainable morphologies. Guided by the diagrams of the possible topologies of double droplets we investigate in detail the vistas to control the morphology of Janus droplets. We also explore and control new morphologies of multiple Janus droplets, i.e., arbitrarily long chains of alternating immiscible segments. Theoretical calculations together with the control offered by the use of automation allow the design of both the topology and the geometry (e.g. curvatures of the interfaces) of the multiple droplets. The ability to rationally design convex–convex, convex–concave and concave–convex segments may be useful in material science, while the ability to tune the distances between the interfaces in the chains of droplets may have applications in designing artificial biochemical signalling networks.

Keywords:

multiple droplets, microfluidics

Affiliations:
Guzowski J.-other affiliation
Korczyk P.M.-IPPT PAN
Jakieła S.-Institute of Physical Chemistry, Polish Academy of Sciences (PL)
Garstecki P.-Institute of Physical Chemistry, Polish Academy of Sciences (PL)
3.Guzowski J., Korczyk P.M., Jakieła S., Garstecki P., Automated high-throughput generation of droplets, LAB ON A CHIP, ISSN: 1473-0197, DOI: 10.1039/c1lc20595a, Vol.11, No.21, pp.3593-3595, 2011
Abstract:

We report a microfluidic technique for high-throughput generation of droplets of nanolitre volume in parallel channels with online control of the volumes, volume fraction and distribution of droplet volumes with the use of two external valves.

Keywords:

microfluidics, droplet generation, droplets

Affiliations:
Guzowski J.-other affiliation
Korczyk P.M.-IPPT PAN
Jakieła S.-Institute of Physical Chemistry, Polish Academy of Sciences (PL)
Garstecki P.-Institute of Physical Chemistry, Polish Academy of Sciences (PL)
4.Guzowski J., Cichocki B., Wajnryb E., Abade G.C., The short-time self-diffusion coefficient of a sphere in a suspension of rigid rods, JOURNAL OF CHEMICAL PHYSICS, ISSN: 0021-9606, DOI: 10.1063/1.2837296, Vol.128, pp.94502-1-11, 2008