Physicochemistry of Colloidal Systems

Tematyka badawcza

MAIN RESEARCH TOPICS

  • Stability of colloidal systems
  • Transport phenomena in colloidal systems
  • Electrostatic interactions between colloidal particles
  • Self-organization and structure of colloidal particle multilayers
  • Theoretical and experimental studies of adsorption of colloids and proteins at solid/liquid interfaces
  • Theoretical and experimental studies of colloidal particle deposition processes on interfase solid/liquid surfaces
  • Structure and topology of monolayers and multilayers of nano- and microparticles deposited on solid surfaces
  • Mechanisms and kinetics of colloidal particle deposition on interfase solid/liquid surfaces

METHODS

  • Spectroscopic ellipsometry
  • Gravimetric methods based on the use of quartz microbalance (QCM-D)
  • Electronetic methods for the determination of the zeta potential of colloidal particles dispersed in solutions and deposited on interfaction surfaces solid/liquid
  • Fluorescence microscopy
  • Optical microscopy
  • Atomic force microscopy (AFM)
  • Potentiometry (using ion-selective electrodes and pH-metry)
  • UV-Vis spectrophotometry
  • Optical Waveguide Spectroscopy (OWLS)
  • Infrared spectroscopy
  • Dynamic Light Scattering (DLS) and Laser Diffraction in Colloidal Particle Size Distribution Analysis

COLLABORATIONS

  • AGH University of Science and Technology, Faculty of Materials Science and Ceramics
  • Charles Sadron Institute, France (Strasbourg)
  • Institute of Nuclear Physics im. Henryka Niewodniczańskiego Polskiej Akademii Nauk
  • Institute of Immunology and Experimental Therapy of the Polish Academy of Sciences
  • Institute of Fundamental Problems of Technology of the Polish Academy of Sciences, Warsaw
  • Nanobiosensoric Laboratory MTA EK MFA, Hungary (Budapest)
  • NanoTechnas – Center of Nanotechnology and Materials Science, Faculty of Chemistry, Vilnius University, Lithuania
  • Cracow University of Technology, Faculty of Chemical Engineering and Technology (Department of Biotechnology and Physical Chemistry and Institute of Chemistry and Organic Technology)
  • Pomeranian Medical University, Faculty of Medical Chemistry
  • VIB-VUB Center for Structural Biology, Belgium (Brussels)
  • University of Genewa, Department of Inorganic and Analytical Chemistry, Szwajcaria (Genewa)
  • University of Ostrava, Department of Chemistry
  • University of Szeged, Faculty of Science and Informatics, Department of Physical Chemistry and Material Science
  • Jagiellonian University
    • Faculty of Chemistry (Analytical Atomic Spectrometry Research Group)
    • Faculty of Biochemistry, Biophysics and Biotechnology (Department of Analytical Biochemistry and Department of Cell Biology)
    • Faculty of Physics, Astronomy and Applied Computer Science
  • Pedagogical University of Education Commission of National Education in Krakow (Institute of Biology)
  • University of Agriculture Hugo Kołłątaj in Krakow
    • Faculty of Agriculture and Economics (Department of Agricultural Environmental Protection and Department of Plant Physiology)
  • University of Warmia and Mazury in Olsztyn
    • Faculty of Environmental Management and Agriculture (Department of Entomology, Phytopathology and Molecular Diagnostics)
  • University of Warsaw, Institute of Theoretical Physics
  • Firma Smart Nanotechnologies Sp. z o.o.
  • Firma Constant Sp. z o.o.
  • Firma SajTom Light Future

RESEARCH OPPORTUNITIES – COOPERATION OFFER

  • Size distribution of colloidal particles dispersed in organic and inorganic solutions
  • Size distributions of colloidal particles deposited on solid surfaces
  • Electrokinetic properties (electrophoretic motility, zeta potential) of colloidal particles dispersed in organic and inorganic solutions
  • Stability of colloidal solutions under controlled conditions of temperature, pH and ionic force (influence of electrolytes and surfactants)
  • Density and viscosity of colloidal solutions
  • Characterization of the structure and topology of mono- and multilayers of colloidal particles deposited on solid surfaces (atomic force microscopy (AFM) or optical)
  • Electrokinetic measurements of colloidal particles, as well as their mono- and multilayers deposited on solid surfaces (method of measuring the flow potential)
  • Measurements of the kinetics of colloidal particle deposition on interfase solid/liquid surfaces (microscopic, electrokinetic and gravimetric methods)
  • Spectrophotometric measurements – absorbance and transmittance in the range of 190 – 900 nm and reflective measurements in the range of 220 -1400 nm using the integrating sphere ISR-2600 Plus
  • Measurements with a reader and a fluorescence microscope

We offer various forms of cooperation with both scientific and research units as well as entrepreneurs. We offer free transfer of samples for pilot tests and preliminary studies.

We guarantee high quality of our preparations and physicochemical analyses. We are also open to new challenges and orders in the area of production of nano – and microparticles and their immoblised structures on solid surfaces characterized by the properties desired by the client. We ensure reliability and competitiveness.