P R Patnaik

Summary

Affiliation: Institute of Microbial Technology
Country: India

Publications

  1. ncbi request reprint Neural network designs for poly-beta-hydroxybutyrate production optimization under simulated industrial conditions
    P R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh, 160 036, India
    Biotechnol Lett 27:409-15. 2005
  2. ncbi request reprint Dispersion optimization to enhance PHB production in fed-batch cultures of Ralstonia eutropha
    Pratap R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh 160036, India
    Bioresour Technol 97:1994-2001. 2006
  3. ncbi request reprint Transient response analysis of the eukaryotic chemosensory system to intra-cellular fluctuations
    Pratap R Patnaik
    Institute of Microbial Technology Council of Scientific and Industrial Research, Sector 39 A, Chandigarh 160036, India
    J Bioinform Comput Biol 7:93-105. 2009
  4. doi request reprint Cognitive optimization of microbial PHB production in an optimally dispersed bioreactor by single and mixed cultures
    Pratap R Patnaik
    Institute of Microbial Technology, Council of Scientific and Industrial Research, Sector 39 A, Chandigarh, 160 036, India
    Bioprocess Biosyst Eng 32:557-68. 2009
  5. pmc Response coefficient analysis of a fed-batch bioreactor to dissolved oxygen perturbation in complementary cultures during PHB production
    Pratap R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh 160036, India
    J Biol Eng 2:4. 2008
  6. pmc "Intelligent" descriptions of microbial kinetics in finitely dispersed bioreactors: neural and cybernetic models for PHB biosynthesis by Ralstonia eutropha
    Pratap R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh 160036, India
    Microb Cell Fact 6:23. 2007
  7. ncbi request reprint Robustness analysis of the E. coli chemosensory system to perturbations in chemoattractant concentrations
    Pratap R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh 160 036, India
    Bioinformatics 23:875-81. 2007
  8. ncbi request reprint Hybrid filtering of feed stream noise from oscillating yeast cultures by combined Kalman and neural network configurations
    Pratap R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh, India
    Bioprocess Biosyst Eng 30:181-8. 2007
  9. ncbi request reprint Hybrid filtering to rescue stable oscillations from noise-induced chaos in continuous cultures of budding yeast
    Pratap R Patnaik
    Institute of Microbial Technology, Chandigarh, India
    FEMS Yeast Res 6:129-38. 2006
  10. ncbi request reprint Perspectives in the modeling and optimization of PHB production by pure and mixed cultures
    Pratap R Patnaik
    Institute of Microbial Technology, Chandigarh, India
    Crit Rev Biotechnol 25:153-71. 2005

Collaborators

  • S K Soni
  • K S Bath
  • I K Sandhu
  • U C Banerjee

Detail Information

Publications18

  1. ncbi request reprint Neural network designs for poly-beta-hydroxybutyrate production optimization under simulated industrial conditions
    P R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh, 160 036, India
    Biotechnol Lett 27:409-15. 2005
    ..All networks enhanced the productivity by 16-93% over model-based optimization...
  2. ncbi request reprint Dispersion optimization to enhance PHB production in fed-batch cultures of Ralstonia eutropha
    Pratap R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh 160036, India
    Bioresour Technol 97:1994-2001. 2006
    ..Since complete dispersion was also difficult to achieve in production-scale bioreactors, these results pointed to the possibility of exploiting controlled dispersion for productivity enhancement...
  3. ncbi request reprint Transient response analysis of the eukaryotic chemosensory system to intra-cellular fluctuations
    Pratap R Patnaik
    Institute of Microbial Technology Council of Scientific and Industrial Research, Sector 39 A, Chandigarh 160036, India
    J Bioinform Comput Biol 7:93-105. 2009
    ..These differences are interpreted in terms of the chemosensory mechanism and its robustness. The results complement similar recent studies of Escherichia coli chemotaxis, thus supporting their credibility and versatility...
  4. doi request reprint Cognitive optimization of microbial PHB production in an optimally dispersed bioreactor by single and mixed cultures
    Pratap R Patnaik
    Institute of Microbial Technology, Council of Scientific and Industrial Research, Sector 39 A, Chandigarh, 160 036, India
    Bioprocess Biosyst Eng 32:557-68. 2009
    ..Further improvements are possible through a hybrid combination of all three types of models...
  5. pmc Response coefficient analysis of a fed-batch bioreactor to dissolved oxygen perturbation in complementary cultures during PHB production
    Pratap R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh 160036, India
    J Biol Eng 2:4. 2008
    ..This study analyzes the effect of DO fluctuations on bioreactor performance for both ideal and optimally dispersed broths...
  6. pmc "Intelligent" descriptions of microbial kinetics in finitely dispersed bioreactors: neural and cybernetic models for PHB biosynthesis by Ralstonia eutropha
    Pratap R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh 160036, India
    Microb Cell Fact 6:23. 2007
    ..abstract:..
  7. ncbi request reprint Robustness analysis of the E. coli chemosensory system to perturbations in chemoattractant concentrations
    Pratap R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh 160 036, India
    Bioinformatics 23:875-81. 2007
    ..These differences have been interpreted in terms of the mechanism of the chemosensory system and they have important implications for practical applications of chemotaxis...
  8. ncbi request reprint Hybrid filtering of feed stream noise from oscillating yeast cultures by combined Kalman and neural network configurations
    Pratap R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh, India
    Bioprocess Biosyst Eng 30:181-8. 2007
    ..All hybrid filters were superior to both the EKF and purely neural filters. Along with previous studies of monotonic fermentations, the present results establish the suitability of hybrid neural filters for noise-affected bioreactors...
  9. ncbi request reprint Hybrid filtering to rescue stable oscillations from noise-induced chaos in continuous cultures of budding yeast
    Pratap R Patnaik
    Institute of Microbial Technology, Chandigarh, India
    FEMS Yeast Res 6:129-38. 2006
    ..These results suggest the use of hybrid filters with the dilution rate as the manipulated variable for bioreactor control...
  10. ncbi request reprint Perspectives in the modeling and optimization of PHB production by pure and mixed cultures
    Pratap R Patnaik
    Institute of Microbial Technology, Chandigarh, India
    Crit Rev Biotechnol 25:153-71. 2005
    ..So hybrid models, combining mechanistic, cybernetic and neural models, offer a useful compromise. All three kinds of basic models are discussed with applications and directions toward hybrid model development...
  11. ncbi request reprint Synthesizing cellular intelligence and artificial intelligence for bioprocesses
    P R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh 160 036, India
    Biotechnol Adv 24:129-33. 2006
    ..This possibility is discussed, together with practical considerations favoring a hybrid approach that includes some mathematical modeling...
  12. ncbi request reprint Oscillatory metabolism of Saccharomyces cerevisiae: an overview of mechanisms and models
    Pratap R Patnaik
    Institute of Microbial Technology, Chandigarh, India
    Biotechnol Adv 21:183-92. 2003
    ..This review discusses the development of the models and the directions they provide for a comprehensive model of oscillatory metabolism...
  13. ncbi request reprint On the performances of noise filters in the restoration of oscillatory behavior in continuous yeast cultures
    P R Patnaik
    Institute of Microbial Technology, Sector 39 A, Chandigarh 160 036, India
    Biotechnol Lett 25:681-5. 2003
    ..An auto-associative neural filter was the best, similar to earlier observations for other organisms under non-oscillatory conditions. This enhances the general applicability of neural filters for industrial scale fermentations...
  14. ncbi request reprint Can imperfections help to improve bioreactor performance?
    Pratap R Patnaik
    Institute of Microbial Technology, Chandigarh, India
    Trends Biotechnol 20:135-7. 2002
    ..This strategy generates better productivities than well-mixed noise-free operations, which suggests that deviations from ideal behaviour should be gainfully harnessed and not suppressed...
  15. ncbi request reprint Microbial metabolism as an evolutionary response: the cybernetic approach to modeling
    P R Patnaik
    Institute of Microbial Technology, Chandigarh, India
    Crit Rev Biotechnol 21:155-75. 2001
    ..Here we review the development of the cybernetic modeling of microbial metabolism, how it may be combined with MCA, and what improvements are needed to make it a viable technique for industrial fermentation processes...
  16. ncbi request reprint Penicillin fermentation: mechanisms and models for industrial-scale bioreactors
    P R Patnaik
    Institute of Microbial Technology, Chandigarh, India
    Crit Rev Biotechnol 20:1-15. 2000
    ..They are also more difficult to evaluate and apply in automatic control systems for production-scale bioreactors. The present review considers the evolution of recent knowledge and models from this perspective...
  17. ncbi request reprint Extracellular amylase production by Saccharomycopsis capsularis and its evaluation for starch saccharification
    S K Soni
    Department of Microbiology, Panjab University, Chandigarh, India
    Folia Microbiol (Praha) 41:243-8. 1996
    ..A temperature of 28-32 degrees C and an initial pH of 4.5-5.0 were optimum. The crude amylase mixture could liquefy and saccharify a 1% starch solution completely in 24 h at 50 degrees C...
  18. ncbi request reprint Penicillin fermentation: mechanisms and models for industrial-scale bioreactors
    P R Patnaik
    Institute of Microbial Technology, Chandigarh, India
    Crit Rev Microbiol 27:25-39. 2001
    ..They are also more difficult to evaluate and apply in automatic control systems for production-scale bioreactors. The present review considers the evolution of recent knowledge and models from this perspective...