Ing. Ivan Šimkovic, DrSc.
Senior research scientist
Polysaccharide films
Dúbravská cesta 5807/9
845 38 Bratislava
Slovak Republic
F:+421-2-59410222
@:
CURRICULUM VITAE
Name: Ivan Šimkovic
Personal: Born June 15, 1951 in Bratislava, Czechoslovakia. Good health.
Address: Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 84238 Bratislava, Slovak Republic. Phone: +421-7-59410289. Fax: +421-7-59410222; e-mail: chemsimk@savba.sk
Languages: English, German, Russian and Slovak.
Education: D. Sc. (2005) – Macromolecular chemistry – Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovak Republic. Dissertation thesis:”Thermal stability of chemically modified lignocellulose materials”.
Ph. D. (1984) - Organic chemistry - Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Czechoslovakia. Dissertation thesis: "The stability of wood polysaccharides in alkaline media".
B. Sc. (1974) - Organic technology - Slovak Technical University, Faculty of Chemistry and Technology, Bratislava, Czechoslovakia. Dissertation thesis: "Alkylation of ethylbenzene with styrene".
Awards: Award of the Slovak Academy of Sciences; 1995.
Experience/Research Projects:
1. Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Czechoslovakia. Period from August 1974 to September 1978. Researcher working on project: "Acetolysis of (4-O-methyl-D-glucurono)-D-xylan".
2. Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Czechoslovakia. Period from October 1978 to December 1984. Graduate student under supervision of Dr. Anna Ebringerová, working on the above mentioned Ph. D. thesis.
3. Institute of Chemistry, Slovak Acadeny of Sciences, Bratislava, Czechoslovakia. Period from January 1985 to September 1986. Research scientist working on project: "New aspects in cationization of lignocellulose materials".
4. Department of Mechanical Engineering, Hawaii National Energy Institute, University of Hawaii, Honolulu, HI 96822, USA. Research associate under supervision of Prof. M. J. Antal, Jr. Research project: "Dehydratrion of monosaccharides under pressure". Period from September 1986 to September 1987.
5. Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Czechoslovakia. Research scientist working on project: "Chemical modification of (4-O-methyl-D-glucurono)-D-xylan. Period from September 1987 to December 1990.
6. Complex Carbohydrate Research Centre, University of Georgia, Athens, GA 30602, USA. Research associate under supervision of Prof. Peter Albersheim and Prof. Alan Darvill. Research project: "Structural characterization of rhamnogalacturonan II". Period from January 1991 to December 1991.
7. Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Czechoslovakia. Research scientist working on project: "Isolation of polysaccharides from plant materials". Period from January 1992 to July 1992.
8. POLYbios LBT, Area di Ricerca, Padriciano, 99, Trieste, I-34012, Italy. Research associate under supervision of Prof. S. Pauletti and Dr. R. Khan. Research project: "Chemical modification of hyaluronic acid, cyclodextrins and sucrose". Period from August 1992 to August 1993.
9. Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovak Republic. Research scientist working on project: "Preparation of polysaccharides with ion-exchanging groups". Period from September 1993 to August 1994.
10. USDA, ARS, NCAUR, 1815 North University Street, Peoria, IL 61604, USA. Visiting scientist working with Dr. J. A. Laszlo. Research project: "Ion-exchangers from agricultural co- and by-products". Period from September to December 1994.
11. Institute of Chemistry, Slovak Academy of Sciences, Slovak Republic. Research scientist working on project: "Chemical modification of polysaccharides and plant materials". Period from January 1995 to May 1995.
12. USDA, ARS, NCAUR, 1815 North University Street, Peoria, IL 61604, USA. Visiting scientist working on project: "Ion-exchangers from agricultural wastes". Period from June 1995 to August 1995.
13. Institute of Chemistry, Slovak Academy of Sciences, Slovakia. Research scientist working on project: "Preparation and chemical modification of polysaccharides with ion exchanging properties". Period from September 1995 to April 1997.
14. Raymond Purves Bone & Joiont Research Laboratories, The University of Sydney at The Royal North Shore Hospital of Sydney, St. Leonards, NSW 2065, Australia. Invited consultant on applications of analog polysaccharides to hyaluronic acid for joint inplantaion. One month period in May 1997.
15. Institute of Chemistry, Slovak Academy of Sciences, Slovakia. Research scientist working on research project:"Preparation of polysaccharide derivatives with tailored applications". Period from June 1997 to May 1999.
16. Agrotechnological Research Institute (ATO-DLO), 6700 AA Wageningen, Netherlands. Research scientist working on project:"Cross-linking of starch with 1, 2, 3, 4-diepoxybutane or 1, 2, 7, 8-diepoxyoctane". Period from June 1999 to October 1999.
17. Institute of Chemistry, Slovak Academy of Sciences, Slovakia. Research scientist working on project:"Modification of carbohydrates with ion-exchanging groups". Period from November 1999 to June 2006.
18. USDA, ARS, NAA, ERRC, 600 East Mermaid Lane, Wyndmoor, PA 19038-8598, USA. Visiting scientist working on project: “Solubilization of agriculturale waste by chemical modification with ion-exchanging groups”, sponsored by OECD. Period from July to November 2006.
19. Institute of Chemistry, Slovak Academy of Sciences, Slovakia. Senior research scientist working on project: Composites prepared from polysaccharides”. Preriod from December 2006 up to February 2010.
20. USDA, ARS, NAA, SRRC, 1100 Robert E. Lee Blvd., New Orleans, LA 70124, USA. Fulbright Schollar working on project:”Utilization of agricultural waste for preparation of valuable products”. Period from March to June 2010.
21. U.S. Forest Product Laboratory, U.S.D.A Forest Service, One Gifford Pinchot Drive, Madison, WI 53726-2398, USA. Fulbright Schollar working on project:”Utilization of agricultural waste for preparation of valuable products”. Period from July to September 2010.
22. Institute of Chemistry, Slovak Academy of Sciences, Slovakia. Senior research scientist working on project: “Composites prepared from polysaccharides and their film applications”. Preriod from October 2010 up to the present.
List of publications:
1. A. Ebringerová, I. Šimkovic: Acetylation of (4-O-methyl-D-glucurono)-D-xylan. Chemické zvesti, 33, 645-655 (1979).
2. I. Šimkovic, A. Ebringerová: Acetolysis of (4-O-methyl-D-glucurono)-D-xylan. 2. Characterization of the the uronic acid-containing fraction of the acetolyzate. Chemické zvesti, 35, 263-269 (1981).
3. I. Šimkovic, A. Ebringerová: Stability of wood polysaccharides in alkaline medium. Chemické listy, 75, 723-742 (1981).
4. I. Šimkovic, J. Tiňo, J. Plaček, Z. Maňásek: ESR study of alkaline, oxidative degradation of saccharides. Identification of 2, 5-dihydroxy-p-benosemiquinone. Carbohydrate Research, 116, 263-269 (1983).
5. I. Šimkovic, A. Ebringerová, J. Königstein, V. Mihálov, F. Janeček: Cleavage of the glycosidic bonds in methyl *-D-cellotrioside in alkaline medium. Chemické zvesti, 38, 223-229 (1984).
6. M. Antal, A. Ebringerová, I. Šimkovic: New aspects in cationization of lignocellulose materials. I. Preparation of lignocellulose materials containing quarternary ammonium groups. Journal of Applied Polymer Science, 29, 637-642 (1984).
7. M. Antal, A. Ebringerová, I. Šimkovic: New aspects in cationization of lignocellulose materials. II. Distribution of functional groups in lignin, hemicellulose and cellulose components. Journal of Applied Polymer Science, 29, 643-650 (1984).
8. I. Šimkovic, J. Tiňo, J. Plaček, Z. Maňásek: Semiquinons formed during alkaline, oxidative degradation of saccharides. Carbohydrate Research, 142, 127-131 (1985).
9. I. Šimkovic, M. Antal, K. Balog, Š. Košík, J. Plaček: Thermooxidation of TMAHP-cellulose in dependence to its anionic form. Thermochimica Acta, 93, 421-424 (1985).
10. I. Šimkovic, M. Antal, V. Mihálov, J. Königstein, M. M. Micko: Influence of anopnic form on thermal degradation of TMAHP-cellulose. Journal of Applied Polymer Science, 30, 4707-4711 (1985).
11. I. Šimkovic, M. Antal, K. Balog, Š. Košík, J. Plaček: Influence of anionic form on thermooxidation of TMAHP-cellulose. Journal of Applied Polymer Science, 30, 4713-4721 (1985).
12. I. Šimkovic, A. Ebringerová, J. Tiňo, J. Plaček, Z. Maňásek, L. Žilka: ESR study of soda waste liquors, Holzforschung, 40, 15-18 (1986).
13. I. Šimkovic: Free radicals in wood chemistry. Journal of Macromolecular Science – Review in Macromolecular Chemistry and Physics, C26, 67-80 (1986).
14. I. Šimkovic, M. Ďurindová, V. Mihálov, J. Königstein, P. Ambrovič: Thermal degradation of cellulose model compounds in inert atmosphere. Journal of Applied Polymer Science, 31, 2433-2441 (1986).
15. A. Ebringerová, M. Antal, I. Šimkovic, M. M. Micko: New aspects in cationization of lignocellulose materials. III. Influence of delignification on reactivity and extractability of TMAHP-hemicelluloses. Journal of Applied Polymer Science, 31, 303-308 (1986).
16. M. Antal, I. Šimkovic, A. Ebringerová, M. M. Micko: New aspects in cationization of lignocellulose materials. IV. Modification of aspen wood meal with quarternary ammonium groups. Journal of Applied Polymer Science, 31, 621-625 (1986).
17. I. Šimkovic, A. Ebringerová, J. Hirsch, J. Königstein: Alkaline degradation of model compounds related to (4-O-methyl-D-glucurono)-D-xylan. Carbohydrate Research, 152, 131-136 (1986).
18. I. Šimkovic, J. Alföldi, M. Matulová: A 13C-NMR study of the alkaline degradation products of polysaccharides. Carbohydrate Research, 152, 137-141 (1986).
19. I. Šimkovic, A. Ebringerová, J. Hirsch, J. Königstein: Thermal degradation of model compounds with blocked hemiacetal groups related to (4-O-methyl-D-glucurono)-D-xylan. Journal of Applied Polymer Science, 33, 1473-1477 (1987).
20. I. Šimkovic, A. Ebringerová, M. Antal, M. M. Micko: New aspects in cationization of lignocellulose materials. V. Modification of rotten aspen wood meal with quaternary ammonium groups. Journal of Applied Polymer Science, 33, 1955-1961 (1987).
21. I. Šimkovic, A. Ebringerová, M. Antal, M. M. Micko: New aspects in cationizatrion of lignocellulose materials. VI. Modification of steam-exploded aspen wood chips with quaternary ammonium groups. Journal of Applied Polymer Science, 34, 1779-1783 (1987).
22. I. Šimkovic, J. Mlynár, J. Alföldi, M. Antal: New aspects in cationization of lignocellulose materials. VII. Modification of spruce wood meal with quarternaty ammonium groups. Journal of Applied Polymer Science, 33, 2651-2656 (1987).
23. I. Šimkovic, J. Alföldi, M. Antal: New aspects in cationization of lignocellulose materials. VIII. Modification of immited spruce wood with quarternary ammonium groups. Journal of Applied Polymer Science, 34, 2063-2068 (1987).
24. I. Šimkovic, J. Pastýr, M. Antal, K. Balog, Š. Košík, J. Plaček: New aspects in cationization of lignocellulose materials. IX. Flame retardancy effect of modification with nitrogen and sulphur containing groups. Journal of Applied Polymer Science, 34, 1057-1061 (1987).
25. I. Šimkovic, G. Varhegyi, M. J. Antal, Jr., A. Ebringerová, T. Szekely, P. Szabo: Thermogravimetric/mass spectrometric characterization of the thermal decomposition of (4-O-methyl-D-glucurono)-D-xylan. Journal of Applied Polymer Science, 36, 721-728 (1988).
26. I. Šimkovic, M. Antal, K. Csomorová, M. M. Micko: New aspects in cationization of lignocellulose materials. X. Thermooxidation of TMAHP- sawdust. Journal of Applied Polymer Science, 38, 1913-1917 (1989).
27. I. Šimkovic, J. Alföldi: Acetylation of (4-O-methyl-D-glucurono)-D-xylan under homogeneous conditions using trifluoroacetic acid - acetic anhydride. Carbohydrate Research, 201, 346-348 (1990).
28. I. Šimkovic, J. Mlynár, J. Alföldi, M. M. Micko: New aspects in cationization of lignocellulose materials. XI. Modification of bagasse with quarternary ammonium groups. Holzforschung, 44, 113-116 (1990).
29. I. Šimkovic, D. Lišková, M. Košík, I. Špilda: For a better utilization of phytomass in the future. Speculation in Science and Technology, 13, 217-223 (1990).
30. I. Šimkovic, J. Pastýr, K. Csomorová, K. Balog, M. M. Micko: Flame retardancy effect of crosslinking of lignocellulose materials. Journal of Applied Polymer Science, 41, 1333-1337 (1990).
31. I. Šimkovic, P. Pelikán, J. Plaček: Enolate semiquinones formed during alkaline, oxidative degradation of 2-deoxy-sugars. Carbohydrate Research, 212, 273-276 (1991).
32. I. Šimkovic, J. Mlynár, J. Alföldi, H. Lübke, M. M. Micko: Increased extractibility of irradiated wood meal. Holzforschung, 45, 229-232 (1991).
33. I. Šimkovic, K. Balog, M. M. Micko: Flame retardancy effect of elemental sulphur caused by covering the lignocellulose materials. Holzforschung, 45, 367-370 (1991).
34. I. Šimkovic, B. Plage, H.-R. Schulten: Pyrolysis-field ionization mass spectrometry of modified bagasse fractions. Biomass and Bioenergy, 1, 329-337 (1991).
35. I. Šimkovic, J. Mlynár, J. Alföldi: Modofication of corn cob meal with quaternary ammonium groups. Carbohydrate Polymers, 17, 285-288 (1992).
36. I. Šimkovic, J. Alföldi, H.-R. Schulten: Effect of pretreatment on pyrolysis-field ionization mass spectrometric data of (4-O-methyl-D-glucurono)-D-xylan from beech wood. Biomass and Bioenergy, 4, 373-378 (1993).
37. I. Šimkovic, M. Antal, J. Alföldi: Fractionation of wheat straw meal after pretreatment with acidified zinc chloride solution. Carbohydrate Polymers, 23, 111-114 (1994).
38. I. Šimkovic, K. Csomorová, K. Balog: Thermal degradation and thermooxidation of O-acetyl-(4-O-methyl-D-glucurono)-D-xylan and related derivatives. Holzforschung, 49, 512-516 (1995).
39. I. Šimkovic, J. Alföldi, O. Auxtová, D. Lišková, P. Lerouge: Chemical modification and fractionation of pea stem polysaccharides. Carbohydrate Polymers, 29, 51-56 (1996).
40. I. Šimkovic, J. A. Laszlo, A. R. Thompson: Preparation of weakly basic ion exchanger by crosslinking starch with epichlorohydrin in the presence of NH4OH. Carbohydrate Polymers, 30, 25-30 (1996).
41. J. A. Laszlo, I. Šimkovic: Chemical strategies for producing anion exchangers from lignocellulosic residues to be used for removing textile dyes from wastewater. In "Ion exchange developments and applications", Proceedings of IEX '96, p. 128-134, Ed. J. A. Greig, SCI, England, 1996.
42. I. Šimkovic: One-step quaternization/crosslinking of starch with 3-chloro-2-hydroxypropyltrimethylammonium chloride/epichlorohydrin in the presence of NH4OH. Carbohydrate Polymers, 31, 47-51 (1996).
43. I. Šimkovic: One-step introduction of amine and ammonium groups and croslinking of polygalacturonic acid. Carbohydrate Polymers, 32, 1-6 (1997).
44. I. Šimkovic, J. A. Laszlo: Preparation of ion exchangers from bagasse by crosslinking with epichlorohydrin-NH4OH or epichlorohydrin-imidazole. Journal of Applied Polymer Science, 64, 2561-2566 (1997).
45. I. Šimkovic: Quaternization/crosslinking of starch with choline chloride/epichlorohydrin. Carbohydrate Polymers, 34, 21-23 (1997).
46. I. Šimkovic, B. A. Francis, J. B. Reeves: Pyrolysis-gas chromatography mass spectrometry analysis of starch-based ion-exchangers. Journal of Analytical and Applied Pyrolysis, 43, 145-155 (1997).
47. I. Šimkovic, K. Csomorová: Flame-retardant prperties of ion-exchanging groups introduced into beech sawdust. Fire and Materials, 22, 149-154 (1998).
48. I. Šimkovic: Preparaion of anion exchangers from beech sawdust and wheat straw. Industrial Crops and Products, 10, 167-173 (1999).
49. J. B. Reeves, III, C. M. Zapf, S. R. Delwich, I. Šimkovic: Mid-infrared versus near-infrared spectroscopy for quanitative and qualitative analysis of agricultural products. Recent Research and Development in Agricultural and Food Chemistry, 3, 201-222 (1999).
50. I. Šimkovic, M. Hricovíni, L. Šoltés, R. Mendichi, C. Cosentino: Preparation of water-soluble/insoluble derivatives of hyaluronic acid by cross-linking with epichlorohydrin in aqueous NaOH/NH4OH solution. Carbohydrate Polymers, 41, 9-14 (2000).
51. I. Šimkovic, E. Jakab: Thermogravimetry/mass spectrometry study of weakly basic starch-based ion exchanger. Carbohydrate Polymers, 45, 53-59 (2001).
52. I. Šimkovic, M. Hricovíni, V. Sasinková: Preparation of ion-exchangers by cross-linking of starch or polygalacturonic acid with 1, 3-bis (3-chloro-2-hydroxypropyl) imidazolium hydrogen sulfate. Carbohydrate Polymers, 47, 131-136 (2002).
53. I. Šimkovic, K. Csomorová: Thermogravimetric study of starch derivatives with amne/ammonium ion-exchanging groups in oxidative environment, Carbohydrate Polymers, 49, 509-513 (2002).
54. I. Šimkovic, K. Csomorová: Thermogravimetric study of flame-retarding properties on phosphorylated beech sawdust, Polymer Degradation and Stability, 80, 519-523 (2003).
55. I. Šimkovic, I. Šurina, M. Vričan: Primary reactions of sucrose thermal degradation, Journal of Analytical and Applied Pyrolysis, 70, 493-504 (2003).
56. I. Šimkovic, M. Hricovíni, R. Mendichi, J. J. G. van Soest: Cross-linking of starch with 1, 2, 3, 4-diepoxybutane or 1, 2, 7, 8-diepoxyoctane, Carbohydrate Polymers, 55, 299-305 (2004).
57. I. Šimkovic, H. Martvoňová, D. Maníková, O. Grexa: Flame retardance of insolubilized silica inside of wood material, Journal of Applid Polymer Science, 97, 1949-1952 (2005).
58. I. Šimkovic, K. Csomorová: Thermogravimetric analysis of agricultural residues: oxygen effect and environmental impact, Journal of Applied Polymer Science, 100, 1318-1322 (2006).
59. I. Šimkovic, H. Martvoňová, D. Maniková, O. Grexa: Flammability studies of sodium thiosulfate or metabisulfite impregnated wood using cone calorimeter, Fire and Materials, 31 (2), 137-145 (2007).
60. I. Šimkovic: Trends in thermal stability study of chemically modified lignocellulose materials. In Polymer Degradation and Stability Research Developments; Leo B. Albertov, Ed., p. 217-236, Nova Science Publishers, Inc., 2007. ISBN 978-1-60021-827-9.
61. P. Dlapa, I. Šimkovic, Jr., S. H. Doerr, I. Šimkovic, R. Kanka, J. Mataix-Solera: Application of thermal analysis to elucidate water repellency changes in heated soils. Soil Science Society of America Journal, 72(1), 1-10(2008).
62. I. Šimkovic, R. Mendichi, I. Uhliariková: Modification of polygalacturonic acid hydroxyls with trimethylammonium- and/or sulfonate-2-hydroxypropyl group. Carbohydrate Polymers, 74, 611-616 (2008).
63. I. Šimkovic: What could be greener than composites made from polysaccahrides? Carbohydrate Polymers, 74, 759-762 (2008).
64. I. Šimkovic, M. P. Yadav, M. Zalibera, K. B. Hicks: Chemical modification of corn fiber with ion-exchanging groups. Carbohydrate Polymers, 76, 250-254 (2009).
65. I. Šimkovic, A. Synytsya, I. Uhliariková, J. Čopíková: Amidated pectin derivatives with n-propyl-, 3-aminopropyl-, 3-propanol or 7-aminoheptyl-substituents. Carbohydrate Polymers, 76, 602-606 (2009).
66. I. Šimkovic, A. Nuñez, G. D. Strahan, M. P. Yadav, R. Mendichi, K. B. Hicks: Fractionation of sugar beet pulp by introducing ion-exchange groups. Carbohydrate Polymers, 76, 806-812 (2009).
67. I. Šimkovic, I. Uhliariková, M. P. Yadav, R. Mendichi: Branched arabinan obtained from sugar beet
pulp by quaternization under acidic conditions. Carbohydrate Polymers, 82, 815-821 (2010).
68. I. Šimkovic, O. Gedeon, I. Uhliariková, R. Mendichi, S. Kirschnerová: Positively and negatively
charged xylan films. Carbohydrate Polymers, 83, 769-775 (2011).
69. I. Šimkovic, O. Gedeon, I. Uhliariková, R. Mendichi, S. Kirschnerová: Xylan Sulphate films. Carbohydrate Polymers, 86, 214-218 (2011).
70. I. Šimkovic, R. H. White, A. M. Fuller: Flammability studies of impregnated paper sheets. Journal of Thermal Analysis and Calorimetrty, 107, 519-526 (2012).
71. I. Šimkovic: TG/DTG/DTA evaluation of flame retarded cotton fabrics and comparison to cone calorimeter data. Carbohydrate Polymers, 90, 976-981 (2012).
72. I. Šimkovic: Flame retarded composite panels from sugar beet residues. Journal of Thermal Analysis and Calorimetry, 109, 1445-1455 (2012).
73. I. Šimkovic, I. Šurina, R. Mikulášik, A. Orságová, A. Ház, C. Schwarzinger: Evaluation of the phytomass source for composite preparation. Journal of Applied Polymer Science, 127, 508-515 (2013).
74. I. Šimkovic: Unexplored possibilities of all-polysaccharide composites. Carbohydrate Polymers, 95, 697-715 (2013).
75. I. Šimkovic, A. Tracz, I. Kelnar, I. Uhliariková, R. Mendichi: Quaternized and sulfated xylan derivative films. Carbohydrate Polymers, 99, 356-364 (2014).
76. I. Šimkovic, I. Kelnar, I. Uhliariková, R. Mendichi, A. Mandalika, T. Elder: Carboxymethylated-, hydrxypropylsulfonated- and quaternized xylan derivative films. Carbohydrate Polymers, 110, 464-471 (2014).
77. I. Šimkovic, R. Mendichi, I. Kelnar, J. Filip, M. Hricovíni: Cationization of heparin for film applications. Carbohydrate Polymers, 115, 551-558 (2015). http://dx.doi.org/10.1016/j.carbpol.2014.09.021
78. I. Šimkovic, I. Kelnár, R. Mendichi, T. Bertók, J. Filip: Composite films prepared from agricultural by-products. Carbohydrate Polymers, 156, 77-85 (2017).
79. Ivan Šimkovic, Ivan Kelnar, Raniero Mendichi, Adam Tracz, Jaroslav Filip, Tomáš Bertók, and Peter Kasak: Interfaces study of all-polysaccharide composite films. Chemical Papers, 72, 711-718 (2018).
https://doi.org/10.1007/s11696-017-0329-y
80. Ivan Šimkovic, Michal Raab, Raniero Mendichi, Alena Manová, Alberto Giacometti Schironi, Miloš Hricovíni: Heparin composition: calculation based on elemental analysis and NMR data. Chemical Papers, 74, 349-355 (2020).
81. Ivan Šimkovic, Filip Gucmann, Raniero Mendichi, Alberto Giacometti Schieroni, Daniele Piovani, Edmund Dobročka, Miloš Hricovíni: Extraction and characterization of polysaccharide films prepared from Furcellaria lumbricalis and Gigartina skottsbergii seaweeds. Cellulose, 28, 9567-9588 (2021).
List of patents:
1. A. Ebringerová, I. Šimkovic, J. Pastýr: Hemicellulose acetate, Czech. CS 210,220 (1982); Chem. Abstr., 98: 36356h (1983).
2. M. Antal, I. Šimkovic, A. Ebringerová, B. Košíková: Strongly basic anion exchanges from lignocellulose materials, Czech. CS 218,197 (1984); Chem. Abstr., 102: 205648p (1985).
3. A. Ebringerová, M. Antal, I. Šimkovic: Preparation of cationic hemicellulose, Czech. CS 238,884 (1987); Chem. Abstr., 107: 178,435m (1987).
4. M. Antal, A. Ebringerová, I. Šimkovic: Preparation of cationic hemicellulose, Czech. CS 240,181 (1987); Chem. Abstr., 108: 152,425d (1988).
5. A. Ebringerová, I. Šimkovic, Z. Hromádková, R. Toman: Recovery of xylans from annuals, Czech. CS 244,591 (1988); Chem. Abstr., 109: 8,277k (1988).
6. I. Šimkovic, M. Antal, J. Pastýr, K. Balog, Š. Košík: Method for depressing the flammability of lignocellulose materials. Czech. CS 259,239 (1989).
7. A. Ebringerová, J. Hirsch, Z. Hromádková, I. Šimkovic: Preparation method of xylans from lignocellulose materials, Czech. CS 272,877 (1992); Chem. Abstr., 118:24,019(1993).
8. I. Šimkovic, A. Ebringerová: Acetylation of (4-O-methyl-*-D-glucurono)-*-D-xylan to a low substitution degree, Czech. CS 274,022 (1992). Chem. Abstr., 119: 183,170y (1993).
9. I. Šimkovic: (4-O-Methyl-*-D-glucurono)-*-D-xylan O-phosphate, its potassium and sodium salts, and method of their preparation, Czech. CS 274,916 (1992). Chem. Abstr., 118: 124,958t (1993).
10. I. Šimkovic, K. Balog: Fireproofing wood by dipping into phosphoric acid-sodium thiosulfate mixture. Czech. CS 276,207 (1992). Chem. Abstr., 121: 303,348c (1994).
11. I. Šimkovic, K. Balog: Two-step procedure for fireproofing wood with phosphoric acid-thiosulfate bath. Czech. CS 276,208 (1992). Chem. Abstr., 121: 303,349d (1994).
12. I. Šimkovic: Potassium and sodium salts of cross-linked (4-O-metyl--D-glucurono)--
D-xylánu. SK 278,945 (1998).
13. I. Šimkovic: Potassium and sodium salts of O-formyl-carbamate-(4-O-metyl--D-glucurono)-
-D-xylan-urea. SK 278,946 (1998).
14. I. Šimkovic: Potassium and sodium salts of O-2, 3-dihydroxypropyl-(4-O-metyl-D-glucurono)-D-xylan. SK 278,960 (1998).
Name: Ivan Šimkovic
Personal: Born June 15, 1951 in Bratislava, Czechoslovakia. Good health.
Address: Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 84238 Bratislava, Slovak Republic. Phone: +421-7-59410289. Fax: +421-7-59410222; e-mail: chemsimk@savba.sk
Languages: English, German, Russian and Slovak.
Education: D. Sc. (2005) – Macromolecular chemistry – Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovak Republic. Dissertation thesis:”Thermal stability of chemically modified lignocellulose materials”.
Ph. D. (1984) - Organic chemistry - Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Czechoslovakia. Dissertation thesis: "The stability of wood polysaccharides in alkaline media".
B. Sc. (1974) - Organic technology - Slovak Technical University, Faculty of Chemistry and Technology, Bratislava, Czechoslovakia. Dissertation thesis: "Alkylation of ethylbenzene with styrene".
Awards: Award of the Slovak Academy of Sciences; 1995.
Experience/Research Projects:
1. Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Czechoslovakia. Period from August 1974 to September 1978. Researcher working on project: "Acetolysis of (4-O-methyl-D-glucurono)-D-xylan".
2. Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Czechoslovakia. Period from October 1978 to December 1984. Graduate student under supervision of Dr. Anna Ebringerová, working on the above mentioned Ph. D. thesis.
3. Institute of Chemistry, Slovak Acadeny of Sciences, Bratislava, Czechoslovakia. Period from January 1985 to September 1986. Research scientist working on project: "New aspects in cationization of lignocellulose materials".
4. Department of Mechanical Engineering, Hawaii National Energy Institute, University of Hawaii, Honolulu, HI 96822, USA. Research associate under supervision of Prof. M. J. Antal, Jr. Research project: "Dehydratrion of monosaccharides under pressure". Period from September 1986 to September 1987.
5. Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Czechoslovakia. Research scientist working on project: "Chemical modification of (4-O-methyl-D-glucurono)-D-xylan. Period from September 1987 to December 1990.
6. Complex Carbohydrate Research Centre, University of Georgia, Athens, GA 30602, USA. Research associate under supervision of Prof. Peter Albersheim and Prof. Alan Darvill. Research project: "Structural characterization of rhamnogalacturonan II". Period from January 1991 to December 1991.
7. Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Czechoslovakia. Research scientist working on project: "Isolation of polysaccharides from plant materials". Period from January 1992 to July 1992.
8. POLYbios LBT, Area di Ricerca, Padriciano, 99, Trieste, I-34012, Italy. Research associate under supervision of Prof. S. Pauletti and Dr. R. Khan. Research project: "Chemical modification of hyaluronic acid, cyclodextrins and sucrose". Period from August 1992 to August 1993.
9. Institute of Chemistry, Slovak Academy of Sciences, Bratislava, Slovak Republic. Research scientist working on project: "Preparation of polysaccharides with ion-exchanging groups". Period from September 1993 to August 1994.
10. USDA, ARS, NCAUR, 1815 North University Street, Peoria, IL 61604, USA. Visiting scientist working with Dr. J. A. Laszlo. Research project: "Ion-exchangers from agricultural co- and by-products". Period from September to December 1994.
11. Institute of Chemistry, Slovak Academy of Sciences, Slovak Republic. Research scientist working on project: "Chemical modification of polysaccharides and plant materials". Period from January 1995 to May 1995.
12. USDA, ARS, NCAUR, 1815 North University Street, Peoria, IL 61604, USA. Visiting scientist working on project: "Ion-exchangers from agricultural wastes". Period from June 1995 to August 1995.
13. Institute of Chemistry, Slovak Academy of Sciences, Slovakia. Research scientist working on project: "Preparation and chemical modification of polysaccharides with ion exchanging properties". Period from September 1995 to April 1997.
14. Raymond Purves Bone & Joiont Research Laboratories, The University of Sydney at The Royal North Shore Hospital of Sydney, St. Leonards, NSW 2065, Australia. Invited consultant on applications of analog polysaccharides to hyaluronic acid for joint inplantaion. One month period in May 1997.
15. Institute of Chemistry, Slovak Academy of Sciences, Slovakia. Research scientist working on research project:"Preparation of polysaccharide derivatives with tailored applications". Period from June 1997 to May 1999.
16. Agrotechnological Research Institute (ATO-DLO), 6700 AA Wageningen, Netherlands. Research scientist working on project:"Cross-linking of starch with 1, 2, 3, 4-diepoxybutane or 1, 2, 7, 8-diepoxyoctane". Period from June 1999 to October 1999.
17. Institute of Chemistry, Slovak Academy of Sciences, Slovakia. Research scientist working on project:"Modification of carbohydrates with ion-exchanging groups". Period from November 1999 to June 2006.
18. USDA, ARS, NAA, ERRC, 600 East Mermaid Lane, Wyndmoor, PA 19038-8598, USA. Visiting scientist working on project: “Solubilization of agriculturale waste by chemical modification with ion-exchanging groups”, sponsored by OECD. Period from July to November 2006.
19. Institute of Chemistry, Slovak Academy of Sciences, Slovakia. Senior research scientist working on project: Composites prepared from polysaccharides”. Preriod from December 2006 up to February 2010.
20. USDA, ARS, NAA, SRRC, 1100 Robert E. Lee Blvd., New Orleans, LA 70124, USA. Fulbright Schollar working on project:”Utilization of agricultural waste for preparation of valuable products”. Period from March to June 2010.
21. U.S. Forest Product Laboratory, U.S.D.A Forest Service, One Gifford Pinchot Drive, Madison, WI 53726-2398, USA. Fulbright Schollar working on project:”Utilization of agricultural waste for preparation of valuable products”. Period from July to September 2010.
22. Institute of Chemistry, Slovak Academy of Sciences, Slovakia. Senior research scientist working on project: “Composites prepared from polysaccharides and their film applications”. Preriod from October 2010 up to the present.
List of publications:
1. A. Ebringerová, I. Šimkovic: Acetylation of (4-O-methyl-D-glucurono)-D-xylan. Chemické zvesti, 33, 645-655 (1979).
2. I. Šimkovic, A. Ebringerová: Acetolysis of (4-O-methyl-D-glucurono)-D-xylan. 2. Characterization of the the uronic acid-containing fraction of the acetolyzate. Chemické zvesti, 35, 263-269 (1981).
3. I. Šimkovic, A. Ebringerová: Stability of wood polysaccharides in alkaline medium. Chemické listy, 75, 723-742 (1981).
4. I. Šimkovic, J. Tiňo, J. Plaček, Z. Maňásek: ESR study of alkaline, oxidative degradation of saccharides. Identification of 2, 5-dihydroxy-p-benosemiquinone. Carbohydrate Research, 116, 263-269 (1983).
5. I. Šimkovic, A. Ebringerová, J. Königstein, V. Mihálov, F. Janeček: Cleavage of the glycosidic bonds in methyl *-D-cellotrioside in alkaline medium. Chemické zvesti, 38, 223-229 (1984).
6. M. Antal, A. Ebringerová, I. Šimkovic: New aspects in cationization of lignocellulose materials. I. Preparation of lignocellulose materials containing quarternary ammonium groups. Journal of Applied Polymer Science, 29, 637-642 (1984).
7. M. Antal, A. Ebringerová, I. Šimkovic: New aspects in cationization of lignocellulose materials. II. Distribution of functional groups in lignin, hemicellulose and cellulose components. Journal of Applied Polymer Science, 29, 643-650 (1984).
8. I. Šimkovic, J. Tiňo, J. Plaček, Z. Maňásek: Semiquinons formed during alkaline, oxidative degradation of saccharides. Carbohydrate Research, 142, 127-131 (1985).
9. I. Šimkovic, M. Antal, K. Balog, Š. Košík, J. Plaček: Thermooxidation of TMAHP-cellulose in dependence to its anionic form. Thermochimica Acta, 93, 421-424 (1985).
10. I. Šimkovic, M. Antal, V. Mihálov, J. Königstein, M. M. Micko: Influence of anopnic form on thermal degradation of TMAHP-cellulose. Journal of Applied Polymer Science, 30, 4707-4711 (1985).
11. I. Šimkovic, M. Antal, K. Balog, Š. Košík, J. Plaček: Influence of anionic form on thermooxidation of TMAHP-cellulose. Journal of Applied Polymer Science, 30, 4713-4721 (1985).
12. I. Šimkovic, A. Ebringerová, J. Tiňo, J. Plaček, Z. Maňásek, L. Žilka: ESR study of soda waste liquors, Holzforschung, 40, 15-18 (1986).
13. I. Šimkovic: Free radicals in wood chemistry. Journal of Macromolecular Science – Review in Macromolecular Chemistry and Physics, C26, 67-80 (1986).
14. I. Šimkovic, M. Ďurindová, V. Mihálov, J. Königstein, P. Ambrovič: Thermal degradation of cellulose model compounds in inert atmosphere. Journal of Applied Polymer Science, 31, 2433-2441 (1986).
15. A. Ebringerová, M. Antal, I. Šimkovic, M. M. Micko: New aspects in cationization of lignocellulose materials. III. Influence of delignification on reactivity and extractability of TMAHP-hemicelluloses. Journal of Applied Polymer Science, 31, 303-308 (1986).
16. M. Antal, I. Šimkovic, A. Ebringerová, M. M. Micko: New aspects in cationization of lignocellulose materials. IV. Modification of aspen wood meal with quarternary ammonium groups. Journal of Applied Polymer Science, 31, 621-625 (1986).
17. I. Šimkovic, A. Ebringerová, J. Hirsch, J. Königstein: Alkaline degradation of model compounds related to (4-O-methyl-D-glucurono)-D-xylan. Carbohydrate Research, 152, 131-136 (1986).
18. I. Šimkovic, J. Alföldi, M. Matulová: A 13C-NMR study of the alkaline degradation products of polysaccharides. Carbohydrate Research, 152, 137-141 (1986).
19. I. Šimkovic, A. Ebringerová, J. Hirsch, J. Königstein: Thermal degradation of model compounds with blocked hemiacetal groups related to (4-O-methyl-D-glucurono)-D-xylan. Journal of Applied Polymer Science, 33, 1473-1477 (1987).
20. I. Šimkovic, A. Ebringerová, M. Antal, M. M. Micko: New aspects in cationization of lignocellulose materials. V. Modification of rotten aspen wood meal with quaternary ammonium groups. Journal of Applied Polymer Science, 33, 1955-1961 (1987).
21. I. Šimkovic, A. Ebringerová, M. Antal, M. M. Micko: New aspects in cationizatrion of lignocellulose materials. VI. Modification of steam-exploded aspen wood chips with quaternary ammonium groups. Journal of Applied Polymer Science, 34, 1779-1783 (1987).
22. I. Šimkovic, J. Mlynár, J. Alföldi, M. Antal: New aspects in cationization of lignocellulose materials. VII. Modification of spruce wood meal with quarternaty ammonium groups. Journal of Applied Polymer Science, 33, 2651-2656 (1987).
23. I. Šimkovic, J. Alföldi, M. Antal: New aspects in cationization of lignocellulose materials. VIII. Modification of immited spruce wood with quarternary ammonium groups. Journal of Applied Polymer Science, 34, 2063-2068 (1987).
24. I. Šimkovic, J. Pastýr, M. Antal, K. Balog, Š. Košík, J. Plaček: New aspects in cationization of lignocellulose materials. IX. Flame retardancy effect of modification with nitrogen and sulphur containing groups. Journal of Applied Polymer Science, 34, 1057-1061 (1987).
25. I. Šimkovic, G. Varhegyi, M. J. Antal, Jr., A. Ebringerová, T. Szekely, P. Szabo: Thermogravimetric/mass spectrometric characterization of the thermal decomposition of (4-O-methyl-D-glucurono)-D-xylan. Journal of Applied Polymer Science, 36, 721-728 (1988).
26. I. Šimkovic, M. Antal, K. Csomorová, M. M. Micko: New aspects in cationization of lignocellulose materials. X. Thermooxidation of TMAHP- sawdust. Journal of Applied Polymer Science, 38, 1913-1917 (1989).
27. I. Šimkovic, J. Alföldi: Acetylation of (4-O-methyl-D-glucurono)-D-xylan under homogeneous conditions using trifluoroacetic acid - acetic anhydride. Carbohydrate Research, 201, 346-348 (1990).
28. I. Šimkovic, J. Mlynár, J. Alföldi, M. M. Micko: New aspects in cationization of lignocellulose materials. XI. Modification of bagasse with quarternary ammonium groups. Holzforschung, 44, 113-116 (1990).
29. I. Šimkovic, D. Lišková, M. Košík, I. Špilda: For a better utilization of phytomass in the future. Speculation in Science and Technology, 13, 217-223 (1990).
30. I. Šimkovic, J. Pastýr, K. Csomorová, K. Balog, M. M. Micko: Flame retardancy effect of crosslinking of lignocellulose materials. Journal of Applied Polymer Science, 41, 1333-1337 (1990).
31. I. Šimkovic, P. Pelikán, J. Plaček: Enolate semiquinones formed during alkaline, oxidative degradation of 2-deoxy-sugars. Carbohydrate Research, 212, 273-276 (1991).
32. I. Šimkovic, J. Mlynár, J. Alföldi, H. Lübke, M. M. Micko: Increased extractibility of irradiated wood meal. Holzforschung, 45, 229-232 (1991).
33. I. Šimkovic, K. Balog, M. M. Micko: Flame retardancy effect of elemental sulphur caused by covering the lignocellulose materials. Holzforschung, 45, 367-370 (1991).
34. I. Šimkovic, B. Plage, H.-R. Schulten: Pyrolysis-field ionization mass spectrometry of modified bagasse fractions. Biomass and Bioenergy, 1, 329-337 (1991).
35. I. Šimkovic, J. Mlynár, J. Alföldi: Modofication of corn cob meal with quaternary ammonium groups. Carbohydrate Polymers, 17, 285-288 (1992).
36. I. Šimkovic, J. Alföldi, H.-R. Schulten: Effect of pretreatment on pyrolysis-field ionization mass spectrometric data of (4-O-methyl-D-glucurono)-D-xylan from beech wood. Biomass and Bioenergy, 4, 373-378 (1993).
37. I. Šimkovic, M. Antal, J. Alföldi: Fractionation of wheat straw meal after pretreatment with acidified zinc chloride solution. Carbohydrate Polymers, 23, 111-114 (1994).
38. I. Šimkovic, K. Csomorová, K. Balog: Thermal degradation and thermooxidation of O-acetyl-(4-O-methyl-D-glucurono)-D-xylan and related derivatives. Holzforschung, 49, 512-516 (1995).
39. I. Šimkovic, J. Alföldi, O. Auxtová, D. Lišková, P. Lerouge: Chemical modification and fractionation of pea stem polysaccharides. Carbohydrate Polymers, 29, 51-56 (1996).
40. I. Šimkovic, J. A. Laszlo, A. R. Thompson: Preparation of weakly basic ion exchanger by crosslinking starch with epichlorohydrin in the presence of NH4OH. Carbohydrate Polymers, 30, 25-30 (1996).
41. J. A. Laszlo, I. Šimkovic: Chemical strategies for producing anion exchangers from lignocellulosic residues to be used for removing textile dyes from wastewater. In "Ion exchange developments and applications", Proceedings of IEX '96, p. 128-134, Ed. J. A. Greig, SCI, England, 1996.
42. I. Šimkovic: One-step quaternization/crosslinking of starch with 3-chloro-2-hydroxypropyltrimethylammonium chloride/epichlorohydrin in the presence of NH4OH. Carbohydrate Polymers, 31, 47-51 (1996).
43. I. Šimkovic: One-step introduction of amine and ammonium groups and croslinking of polygalacturonic acid. Carbohydrate Polymers, 32, 1-6 (1997).
44. I. Šimkovic, J. A. Laszlo: Preparation of ion exchangers from bagasse by crosslinking with epichlorohydrin-NH4OH or epichlorohydrin-imidazole. Journal of Applied Polymer Science, 64, 2561-2566 (1997).
45. I. Šimkovic: Quaternization/crosslinking of starch with choline chloride/epichlorohydrin. Carbohydrate Polymers, 34, 21-23 (1997).
46. I. Šimkovic, B. A. Francis, J. B. Reeves: Pyrolysis-gas chromatography mass spectrometry analysis of starch-based ion-exchangers. Journal of Analytical and Applied Pyrolysis, 43, 145-155 (1997).
47. I. Šimkovic, K. Csomorová: Flame-retardant prperties of ion-exchanging groups introduced into beech sawdust. Fire and Materials, 22, 149-154 (1998).
48. I. Šimkovic: Preparaion of anion exchangers from beech sawdust and wheat straw. Industrial Crops and Products, 10, 167-173 (1999).
49. J. B. Reeves, III, C. M. Zapf, S. R. Delwich, I. Šimkovic: Mid-infrared versus near-infrared spectroscopy for quanitative and qualitative analysis of agricultural products. Recent Research and Development in Agricultural and Food Chemistry, 3, 201-222 (1999).
50. I. Šimkovic, M. Hricovíni, L. Šoltés, R. Mendichi, C. Cosentino: Preparation of water-soluble/insoluble derivatives of hyaluronic acid by cross-linking with epichlorohydrin in aqueous NaOH/NH4OH solution. Carbohydrate Polymers, 41, 9-14 (2000).
51. I. Šimkovic, E. Jakab: Thermogravimetry/mass spectrometry study of weakly basic starch-based ion exchanger. Carbohydrate Polymers, 45, 53-59 (2001).
52. I. Šimkovic, M. Hricovíni, V. Sasinková: Preparation of ion-exchangers by cross-linking of starch or polygalacturonic acid with 1, 3-bis (3-chloro-2-hydroxypropyl) imidazolium hydrogen sulfate. Carbohydrate Polymers, 47, 131-136 (2002).
53. I. Šimkovic, K. Csomorová: Thermogravimetric study of starch derivatives with amne/ammonium ion-exchanging groups in oxidative environment, Carbohydrate Polymers, 49, 509-513 (2002).
54. I. Šimkovic, K. Csomorová: Thermogravimetric study of flame-retarding properties on phosphorylated beech sawdust, Polymer Degradation and Stability, 80, 519-523 (2003).
55. I. Šimkovic, I. Šurina, M. Vričan: Primary reactions of sucrose thermal degradation, Journal of Analytical and Applied Pyrolysis, 70, 493-504 (2003).
56. I. Šimkovic, M. Hricovíni, R. Mendichi, J. J. G. van Soest: Cross-linking of starch with 1, 2, 3, 4-diepoxybutane or 1, 2, 7, 8-diepoxyoctane, Carbohydrate Polymers, 55, 299-305 (2004).
57. I. Šimkovic, H. Martvoňová, D. Maníková, O. Grexa: Flame retardance of insolubilized silica inside of wood material, Journal of Applid Polymer Science, 97, 1949-1952 (2005).
58. I. Šimkovic, K. Csomorová: Thermogravimetric analysis of agricultural residues: oxygen effect and environmental impact, Journal of Applied Polymer Science, 100, 1318-1322 (2006).
59. I. Šimkovic, H. Martvoňová, D. Maniková, O. Grexa: Flammability studies of sodium thiosulfate or metabisulfite impregnated wood using cone calorimeter, Fire and Materials, 31 (2), 137-145 (2007).
60. I. Šimkovic: Trends in thermal stability study of chemically modified lignocellulose materials. In Polymer Degradation and Stability Research Developments; Leo B. Albertov, Ed., p. 217-236, Nova Science Publishers, Inc., 2007. ISBN 978-1-60021-827-9.
61. P. Dlapa, I. Šimkovic, Jr., S. H. Doerr, I. Šimkovic, R. Kanka, J. Mataix-Solera: Application of thermal analysis to elucidate water repellency changes in heated soils. Soil Science Society of America Journal, 72(1), 1-10(2008).
62. I. Šimkovic, R. Mendichi, I. Uhliariková: Modification of polygalacturonic acid hydroxyls with trimethylammonium- and/or sulfonate-2-hydroxypropyl group. Carbohydrate Polymers, 74, 611-616 (2008).
63. I. Šimkovic: What could be greener than composites made from polysaccahrides? Carbohydrate Polymers, 74, 759-762 (2008).
64. I. Šimkovic, M. P. Yadav, M. Zalibera, K. B. Hicks: Chemical modification of corn fiber with ion-exchanging groups. Carbohydrate Polymers, 76, 250-254 (2009).
65. I. Šimkovic, A. Synytsya, I. Uhliariková, J. Čopíková: Amidated pectin derivatives with n-propyl-, 3-aminopropyl-, 3-propanol or 7-aminoheptyl-substituents. Carbohydrate Polymers, 76, 602-606 (2009).
66. I. Šimkovic, A. Nuñez, G. D. Strahan, M. P. Yadav, R. Mendichi, K. B. Hicks: Fractionation of sugar beet pulp by introducing ion-exchange groups. Carbohydrate Polymers, 76, 806-812 (2009).
67. I. Šimkovic, I. Uhliariková, M. P. Yadav, R. Mendichi: Branched arabinan obtained from sugar beet
pulp by quaternization under acidic conditions. Carbohydrate Polymers, 82, 815-821 (2010).
68. I. Šimkovic, O. Gedeon, I. Uhliariková, R. Mendichi, S. Kirschnerová: Positively and negatively
charged xylan films. Carbohydrate Polymers, 83, 769-775 (2011).
69. I. Šimkovic, O. Gedeon, I. Uhliariková, R. Mendichi, S. Kirschnerová: Xylan Sulphate films. Carbohydrate Polymers, 86, 214-218 (2011).
70. I. Šimkovic, R. H. White, A. M. Fuller: Flammability studies of impregnated paper sheets. Journal of Thermal Analysis and Calorimetrty, 107, 519-526 (2012).
71. I. Šimkovic: TG/DTG/DTA evaluation of flame retarded cotton fabrics and comparison to cone calorimeter data. Carbohydrate Polymers, 90, 976-981 (2012).
72. I. Šimkovic: Flame retarded composite panels from sugar beet residues. Journal of Thermal Analysis and Calorimetry, 109, 1445-1455 (2012).
73. I. Šimkovic, I. Šurina, R. Mikulášik, A. Orságová, A. Ház, C. Schwarzinger: Evaluation of the phytomass source for composite preparation. Journal of Applied Polymer Science, 127, 508-515 (2013).
74. I. Šimkovic: Unexplored possibilities of all-polysaccharide composites. Carbohydrate Polymers, 95, 697-715 (2013).
75. I. Šimkovic, A. Tracz, I. Kelnar, I. Uhliariková, R. Mendichi: Quaternized and sulfated xylan derivative films. Carbohydrate Polymers, 99, 356-364 (2014).
76. I. Šimkovic, I. Kelnar, I. Uhliariková, R. Mendichi, A. Mandalika, T. Elder: Carboxymethylated-, hydrxypropylsulfonated- and quaternized xylan derivative films. Carbohydrate Polymers, 110, 464-471 (2014).
77. I. Šimkovic, R. Mendichi, I. Kelnar, J. Filip, M. Hricovíni: Cationization of heparin for film applications. Carbohydrate Polymers, 115, 551-558 (2015). http://dx.doi.org/10.1016/j.carbpol.2014.09.021
78. I. Šimkovic, I. Kelnár, R. Mendichi, T. Bertók, J. Filip: Composite films prepared from agricultural by-products. Carbohydrate Polymers, 156, 77-85 (2017).
79. Ivan Šimkovic, Ivan Kelnar, Raniero Mendichi, Adam Tracz, Jaroslav Filip, Tomáš Bertók, and Peter Kasak: Interfaces study of all-polysaccharide composite films. Chemical Papers, 72, 711-718 (2018).
https://doi.org/10.1007/s11696-017-0329-y
80. Ivan Šimkovic, Michal Raab, Raniero Mendichi, Alena Manová, Alberto Giacometti Schironi, Miloš Hricovíni: Heparin composition: calculation based on elemental analysis and NMR data. Chemical Papers, 74, 349-355 (2020).
81. Ivan Šimkovic, Filip Gucmann, Raniero Mendichi, Alberto Giacometti Schieroni, Daniele Piovani, Edmund Dobročka, Miloš Hricovíni: Extraction and characterization of polysaccharide films prepared from Furcellaria lumbricalis and Gigartina skottsbergii seaweeds. Cellulose, 28, 9567-9588 (2021).
List of patents:
1. A. Ebringerová, I. Šimkovic, J. Pastýr: Hemicellulose acetate, Czech. CS 210,220 (1982); Chem. Abstr., 98: 36356h (1983).
2. M. Antal, I. Šimkovic, A. Ebringerová, B. Košíková: Strongly basic anion exchanges from lignocellulose materials, Czech. CS 218,197 (1984); Chem. Abstr., 102: 205648p (1985).
3. A. Ebringerová, M. Antal, I. Šimkovic: Preparation of cationic hemicellulose, Czech. CS 238,884 (1987); Chem. Abstr., 107: 178,435m (1987).
4. M. Antal, A. Ebringerová, I. Šimkovic: Preparation of cationic hemicellulose, Czech. CS 240,181 (1987); Chem. Abstr., 108: 152,425d (1988).
5. A. Ebringerová, I. Šimkovic, Z. Hromádková, R. Toman: Recovery of xylans from annuals, Czech. CS 244,591 (1988); Chem. Abstr., 109: 8,277k (1988).
6. I. Šimkovic, M. Antal, J. Pastýr, K. Balog, Š. Košík: Method for depressing the flammability of lignocellulose materials. Czech. CS 259,239 (1989).
7. A. Ebringerová, J. Hirsch, Z. Hromádková, I. Šimkovic: Preparation method of xylans from lignocellulose materials, Czech. CS 272,877 (1992); Chem. Abstr., 118:24,019(1993).
8. I. Šimkovic, A. Ebringerová: Acetylation of (4-O-methyl-*-D-glucurono)-*-D-xylan to a low substitution degree, Czech. CS 274,022 (1992). Chem. Abstr., 119: 183,170y (1993).
9. I. Šimkovic: (4-O-Methyl-*-D-glucurono)-*-D-xylan O-phosphate, its potassium and sodium salts, and method of their preparation, Czech. CS 274,916 (1992). Chem. Abstr., 118: 124,958t (1993).
10. I. Šimkovic, K. Balog: Fireproofing wood by dipping into phosphoric acid-sodium thiosulfate mixture. Czech. CS 276,207 (1992). Chem. Abstr., 121: 303,348c (1994).
11. I. Šimkovic, K. Balog: Two-step procedure for fireproofing wood with phosphoric acid-thiosulfate bath. Czech. CS 276,208 (1992). Chem. Abstr., 121: 303,349d (1994).
12. I. Šimkovic: Potassium and sodium salts of cross-linked (4-O-metyl--D-glucurono)--
D-xylánu. SK 278,945 (1998).
13. I. Šimkovic: Potassium and sodium salts of O-formyl-carbamate-(4-O-metyl--D-glucurono)-
-D-xylan-urea. SK 278,946 (1998).
14. I. Šimkovic: Potassium and sodium salts of O-2, 3-dihydroxypropyl-(4-O-metyl-D-glucurono)-D-xylan. SK 278,960 (1998).