Dr. sc. ing. Oskars Grīgs


2016 - Doctoral degree of engineering sciences in chemical engineering (Dr. sc. ing.), Faculty of Material sciences and applied chemical engineering, Riga Technical University, Latvia

2010 - Masters degree of engineering sciences in chemical engineering (Mg. sc. ing.), Faculty of Material sciences and applied chemical engineering, Riga Technical University, Latvia

2004 - Secondary education, Agenskalna State Gymnasium

Zinātniskās intereses un kompetence

Bio-process engineering. Fermentation process modeling and control. Competence in advanced model-based method application in to fed-batch fermentation optimization and control. Characteristic process parameter (biomass/substrate concentration, respiratory quotient etc.) on-line calculation using soft-sensors and data analysis methods.

Nozīmīgākie projekti

  1. „Development of advanced model-based on-line control system for productivity improvement of recombinant and non-recombinant microorganism cultivation processes”, Post-doctoral research grant (ERAF) Nr., 2017-2020,  principal researcher.

  2. „The influence of magnetic field driven mixing on biotechnological processes“, ERAF project Nr.Nr., 01.2017-09.2017., researcher.

  3. „High value product obtaining using laboratory and pilot scale photobioreactors“, ERAF project Nr. 2013/0041/2DP/, 2014-2015, researcher.

  4. „Mathematical model development and application for fermentation model predictive control“, VBBKC project Nr. L-KC-11-0005, KC/, 2013-2014, engineer.

  5. “Establishment of Latvian interdisciplinary interuniversity scientific group of systems biology” within activity “Attraction of Human Resources to Science” ESF project Nr. 2009/0207/1DP/, 2010-2013, researcher.

Papildus informācija

2010 - ...  Researcher, Latvian State Institute of Wood Chemistry

2009 - ...  Engineer, JSC "Biotehniskais Centrs" (www.bioreactors.net).

2005 - 2008  Scientifi Assistant, Department of Chemical Engineering (RTU) and Latvian Biomedical Research and Study Centre.

Nozīmīgākās publikācijas

  1. Grigs O., Galvanauskas V., Dubencovs K., Vanags J., Suleiko A., Berzins T., Kunga L. Model predictive feeding rate control in conventional and single-use lab-scale bioreactors: a study on practical application. Chem.Biochem.Eng.Q., 2016, 30:1, 47-60.
  2. Vanags J., Kunga L., Dubencovs K., Galvanauskas V., Balode M., Grīgs O. The effect of shaking, CO2 concentration and light intensity on biomass growth of green microalgae Desmodesmus communisEnvironmental Research, Engineering and Management, 2015, 4(70): 73-79.
  3. Galvanauskas V., Grīgs O., Vanags J., Dubencovs K., Stepanova V. Model-Based Optimization and pO2 Control of Fed-Batch Escherichia Coli and Saccharomyces Cerevisiae Cultivation Processes. Engineering in Life Sciences, 2013, Vol.13, Iss.2, pp.172-184. ISSN 1618-2863. Available from: doi:10.1002/elsc.201200012.
  4. Vilums S., Grigs O. Application of functional state modelling approach for yeast Saccharomyces cerevisiae batch fermentations state estimation // Proceedings of the 5th International Scientific Conference, ISBN 978-9984-48-065-7, Latvia, Jelgava, April 26 – 27, 2012. 1744.-1744. p.
  5. Vanags J., Grigs O., Viesturs U., Priede A. Flexible Approach by Development of Fed-Batch Algorithms for Fermentations under pO2 Cascade Control // CHISA: Summaries 5: Systems and Technology, Czech Republik, Prague, August 28 – September 1, 2010. - 1744.-1744. p.