Bogusław Buszewski

Summary

Affiliation: Institute of General and Molecular Biology
Country: Poland

Publications

  1. pmc Application of ion mobility spectrometry for the detection of human urine
    Joanna Rudnicka
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin St, 87100 Toruń, Poland
    Anal Bioanal Chem 398:2031-8. 2010
  2. pmc New alkyl-phosphate bonded stationary phases for liquid chromatographic separation of biologically active compounds
    Szymon Bocian
    Department of Environmental Chemistry and Bioanalysis, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Anal Bioanal Chem 404:731-40. 2012
  3. doi request reprint Application of the zeta potential for stationary phase characterization in ion chromatography
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 36:156-63. 2013
  4. ncbi request reprint Zeta potential determination as a new way of stationary phases characterization for liquid chromatography
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 33:1529-37. 2010
  5. doi request reprint Application of CZE in the differentiation of Staphylococcus aureus strains
    Bogusław Buszewski
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Torun, Poland
    Methods Mol Biol 919:149-54. 2013
  6. pmc Development of novel molecularly imprinted solid-phase microextraction fibers and their application for the determination of antibiotic drugs in biological samples by SPME-LC/MS(n)
    Malgorzata Szultka
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin 7 Street, 87 100, Torun, Poland
    Anal Bioanal Chem 403:785-96. 2012
  7. pmc Identification of volatile lung cancer markers by gas chromatography-mass spectrometry: comparison with discrimination by canines
    Bogusław Buszewski
    Chair of Environmental Chemistry and Bioanalysis, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Anal Bioanal Chem 404:141-6. 2012
  8. doi request reprint New approaches to extraction techniques in determination of 4,4'-methylenebis(2-chloroaniline) in air and water solutions
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin 7 Street, 87 100 Torun, Poland
    Talanta 93:117-21. 2012
  9. doi request reprint Determination of accessible silanols groups on silica gel surfaces using microcalorimetric measurements
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin 7 St, 87 100 Torun, Poland
    J Chromatogr A 1232:43-6. 2012
  10. pmc Noninvasive detection of lung cancer by analysis of exhaled breath
    Amel Bajtarevic
    Department of Operative Medicine, Innsbruck Medical University, A 6020 Innsbruck, Austria
    BMC Cancer 9:348. 2009

Collaborators

Detail Information

Publications89

  1. pmc Application of ion mobility spectrometry for the detection of human urine
    Joanna Rudnicka
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin St, 87100 Toruń, Poland
    Anal Bioanal Chem 398:2031-8. 2010
    ....
  2. pmc New alkyl-phosphate bonded stationary phases for liquid chromatographic separation of biologically active compounds
    Szymon Bocian
    Department of Environmental Chemistry and Bioanalysis, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Anal Bioanal Chem 404:731-40. 2012
    ..The new synthesized alkyl-phosphate stationary phases may be used for liquid chromatographic separation of biologically active compounds of different polarity...
  3. doi request reprint Application of the zeta potential for stationary phase characterization in ion chromatography
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 36:156-63. 2013
    ..Additionally, the zeta potential was correlated with retention factor of inorganic ions to describe their influence on the retention mechanism in ion chromatography...
  4. ncbi request reprint Zeta potential determination as a new way of stationary phases characterization for liquid chromatography
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 33:1529-37. 2010
    ..Those measurements may be useful to choose chemically bonded stationary phases for CEC. The results also confirm the phenomena of anion exclusion from the pores of stationary-bonded phase...
  5. doi request reprint Application of CZE in the differentiation of Staphylococcus aureus strains
    Bogusław Buszewski
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Torun, Poland
    Methods Mol Biol 919:149-54. 2013
    ..aureus strains...
  6. pmc Development of novel molecularly imprinted solid-phase microextraction fibers and their application for the determination of antibiotic drugs in biological samples by SPME-LC/MS(n)
    Malgorzata Szultka
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin 7 Street, 87 100, Torun, Poland
    Anal Bioanal Chem 403:785-96. 2012
    ..The SPME MIP-coated fibers are suitable for the selective extraction of antibiotic drugs in biological samples...
  7. pmc Identification of volatile lung cancer markers by gas chromatography-mass spectrometry: comparison with discrimination by canines
    Bogusław Buszewski
    Chair of Environmental Chemistry and Bioanalysis, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Anal Bioanal Chem 404:141-6. 2012
    ..In addition, the canine method is relatively simple and inexpensive in comparison with chromatography...
  8. doi request reprint New approaches to extraction techniques in determination of 4,4'-methylenebis(2-chloroaniline) in air and water solutions
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin 7 Street, 87 100 Torun, Poland
    Talanta 93:117-21. 2012
    ..The techniques presented provide alternative methods for the determination of MOCA in air samples and in water solutions that are more sensitive, quicker and less expensive than previously established procedures...
  9. doi request reprint Determination of accessible silanols groups on silica gel surfaces using microcalorimetric measurements
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin 7 St, 87 100 Torun, Poland
    J Chromatogr A 1232:43-6. 2012
    ..A very good correlation between the calculated number of accessible residual silanols and the coverage density of bonded ligands was observed...
  10. pmc Noninvasive detection of lung cancer by analysis of exhaled breath
    Amel Bajtarevic
    Department of Operative Medicine, Innsbruck Medical University, A 6020 Innsbruck, Austria
    BMC Cancer 9:348. 2009
    ..An early non-invasive diagnosis of lung cancer would improve prognosis and enlarge treatment options. Analysis of exhaled breath would be an ideal diagnostic method, since it is non-invasive and totally painless...
  11. ncbi request reprint Excess isotherms as a new way for characterization of the columns for reversed-phase liquid chromatography
    B Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin Street 7, 87 100 Torun, Poland
    J Chromatogr A 1191:72-7. 2008
    ..The preferential adsorption of acetonitrile on the bonded phase and the adsorption of water on the silica surface can be well correlated with the coverage density...
  12. doi request reprint Study of solvation processes on cholesterol bonded phases
    Boguslaw Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin 7, 87 100 Torun, Poland
    J Chromatogr A 1218:441-8. 2011
    ..Polar groups in the Amino-cholesterol type bonded phase are solvated with both solvent but the mechanisms of these processes are different...
  13. doi request reprint Identification of volatile organic compounds secreted from cancer tissues and bacterial cultures
    Bogusław Buszewski
    Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Chromatogr B Analyt Technol Biomed Life Sci 868:88-94. 2008
    ..Eight compounds were identified both in bacteria and tissue. These data suggest that bacteria present in the stomach might cause the increase in the concentration of 1-propanol and carbon disulfide in emission from cancer tissue...
  14. doi request reprint Determination of adrenolytic drugs by SPME-LC-MS
    Boguslaw Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin 7, 87 100, Torun, Poland
    Anal Bioanal Chem 397:173-9. 2010
    ..5-13%, however RSD values for the drugs in human plasma were 2.5-4.5%. Using LC-MS the limit of detection (LOD) and the limit of quantification (LOQ) were in the ranges 0.11-0.18 and 0.39-0.54 ng mL(-1), respectively, for the five drugs...
  15. doi request reprint Preparation and characterization of microporous fibers for sample preparation and LC-MS determination of drugs
    Boguslaw Buszewski
    Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 32:2448-54. 2009
    ..LC-MS was employed for determination of drugs in desorption solution. LODs varied from 0.013 to 1.51 ng/mL for metoprolol and mexiletine respectively. The repeatability of extraction was obtained with the RSD values lower than 10%...
  16. doi request reprint Determination of selected beta-receptor antagonists in biological samples by solid-phase extraction with cholesterolic phase and LC/MS
    Bogusław Buszewski
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicolas Copernicus University, Gagarin Street 7, 87 100, Torun, Poland
    Anal Bioanal Chem 393:263-72. 2009
    ..The recovery measurements were performed on spiked human urine and serum, and on real samples of mouse blood serum...
  17. doi request reprint Effect of chemically bonded stationary phases and mobile phase composition on beta-blockers retention in RP-HPLC
    Boguslaw Buszewski
    Department of Environmental Chemistry and Bioanalytics, Nicolaus Copernicus University, Torun, Poland
    Biomed Chromatogr 23:324-33. 2009
    ..The addition of TEA to the mobile phase did not influence strongly the retention, and analysis of asymmetry factors showed only a little peak broadening for a few compounds on the monolithic column...
  18. doi request reprint Determination of pathogenic bacteria by CZE with surface-modified capillaries
    Bogusław Buszewski
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Electrophoresis 29:4177-84. 2008
    ..Proposed procedures could become an effective tool for diagnosis of certain diseases caused by S. aureus and E. coli as well as Proteus vulgaris...
  19. doi request reprint High performance liquid chromatography of 1,1-diamino-2,2-dinitroethene and some intermediate products of its synthesis
    Bogusław Buszewski
    Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Hazard Mater 164:1051-8. 2009
    ..The probable mechanism of interaction between the analyte, the stationary phase, and the mobile phase was suggested...
  20. doi request reprint Analysis of exhaled breath from smokers, passive smokers and non-smokers by solid-phase microextraction gas chromatography/mass spectrometry
    Bogusław Buszewski
    Faculty of Chemistry, Nicolaus Copernicus University, Poland
    Biomed Chromatogr 23:551-6. 2009
    ..Acetonitrile, furan, 3-methylfuran, 2,5-dimethylfuran, 2-butanone, octane and decane were identified in breath of smoking and passive smoking persons...
  21. ncbi request reprint Quantitative structure-retention relationship studies as an analytical tool in the determination and modeling of pesticide residues in plant organisms
    Bogusław Buszewski
    Nicolaus Copernicus University, Faculty of Chemistry, 7 Gagarin St, 87 100 Torun, Poland
    J AOAC Int 93:1703-14. 2010
    ..A universal model is presented that links the physicochemical parameters describing the fungicide compounds with the anatomical, physiological, and biochemical properties of the plant...
  22. ncbi request reprint Isolation and determination of ginsenosides in American ginseng leaves and root extracts by LC-MS
    T Ligor
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarina Street, 87100, Torun, Poland
    Anal Bioanal Chem 383:1098-105. 2005
    ..Recovery of ginseng saponins in spiked samples exceeded 80%, while the relative standard deviation ranged from 7.1 to 9.1%. The total concentrations of ginsenosides were 41 and 13 mg/g in root and leaves...
  23. ncbi request reprint Poland's environment--past, present and future state of the environment in the Vistula and Odra River basins
    Bogusław Buszewski
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicholaus Copernicus University, 7 Gagarina Str, PL 87 100 Torun, Poland
    Environ Sci Pollut Res Int 10:343-9. 2003
    ....
  24. ncbi request reprint Stationary phases with special structural properties for high-throughput separation techniques: preparation, characterization and applications
    Boguslaw Buszewski
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicholas Copernicus University, 7 Gagarin St, PL 87 100 Torun, Poland
    Comb Chem High Throughput Screen 7:291-312. 2004
    ..The potential applications of various dedicated stationary phases in a high-throughput LC screening procedures were also presented...
  25. ncbi request reprint Effect of stationary phase structure on retention and selectivity tuning in the high-throughput separation of tocopherol isomers by HPLC
    Boguslaw Buszewski
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicholas Copernicus University, 7 Gagarin St, PL 87 100 Torun, Poland
    Comb Chem High Throughput Screen 7:383-91. 2004
    ....
  26. doi request reprint Modeling solvation on the chemically modified silica surfaces
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 33:2060-8. 2010
    ..The number of water molecules near the modeled surface is observed as well. The results are in agreement with experimental measurement of acetonitrile excess adsorption isotherms on the series of in-house made stationary-bonded phase...
  27. pmc Hydrophilic interaction liquid chromatography (HILIC)--a powerful separation technique
    Bogusław Buszewski
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Anal Bioanal Chem 402:231-47. 2012
    ..One interesting option may also be to use HILIC in orthogonal and/or two-dimensional separations. Bioapplications of HILIC systems are also presented...
  28. ncbi request reprint Stationary phase with specific surface properties for the separation of estradiol diastereoisomers
    B Buszewski
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin Street, PL 87 100 Torun, Poland
    J Chromatogr B Analyt Technol Biomed Life Sci 792:279-86. 2003
    ..To better understand the retention mechanism and the properties of the stationary phases, used in the separation of steroid compounds, the functional group contributions (tau) were compared with Hansch substituent constants (pi)...
  29. ncbi request reprint Effect of coverage density and structure of chemically bonded silica stationary phases on the separation of compounds with various properties
    Bogusław Buszewski
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicholas Copernicus University, 7 Gagarin St, 87 100 Torun, Poland
    J Sep Sci 29:829-36. 2006
    ..A topographical model of the chemically modified stationary surface is presented...
  30. ncbi request reprint Human exhaled air analytics: biomarkers of diseases
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin St, 87 100 Torun, Poland
    Biomed Chromatogr 21:553-66. 2007
    ..The diagnostic potential of different disease-marking substances in human breath for a selection of diseases and the clinical applications of breath analysis are discussed...
  31. doi request reprint A novel approach to the rapid determination of amoxicillin in human plasma by solid phase microextraction and liquid chromatography
    Boguslaw Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Analyst 136:2635-42. 2011
    ..The developed method was successfully applied to the analysis of real human plasma samples. The limit of detection and limit of quantification for amoxicillin in plasma were 1.21 μg ml(-1) and 3.48 μg ml(-1), respectively...
  32. ncbi request reprint HPLC columns partition by chemometric methods based on peptides retention
    Bogusław Buszewski
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarina 7 St, 87 100 Torun, Poland
    J Chromatogr B Analyt Technol Biomed Life Sci 845:253-60. 2007
    ..PCA and CA were also used in peptides comparison however, complete explanation of peptides grouping still remains unclear...
  33. ncbi request reprint Rapid identification of Helicobacter pylori by capillary electrophoresis: an overview
    B Buszewski
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicolaus Copernicus University ul Gagarin 7, 87 100 Torun, Poland
    Biomed Chromatogr 21:116-22. 2007
    ..This contribution describes the new achievements, interdisciplinary significance and some future directions in the application of capillary electrophoresis for determination of H. pylori...
  34. doi request reprint Investigation of silanol activity on the modified silica surfaces using microcalorimetric measurements
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 34:773-9. 2011
    ..The present methodology allows determining the access of the solvent molecules to the residual silanols on the chemically bonded phase surface based on silica gel...
  35. doi request reprint Functionalized polymeric stationary phases for ion chromatography
    Bogusław Buszewski
    Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 34:601-8. 2011
    ..In the measurement, a hydroxide, carbonate, bicarbonate and their mixture were used as mobile phases...
  36. doi request reprint Removal of zearalenone toxin from synthetics gastric and body fluids using talc and diatomite: a batch kinetic study
    Myroslav Sprynskyy
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Colloids Surf B Biointerfaces 94:7-14. 2012
    ..The values of determined Gibbs free energy of adsorption (from -13 to -17 kJ/mol) indicated that adsorption of ZEA toxin by the both adsorbents are spontaneous and exothermic...
  37. doi request reprint Application of capillary zone electrophoresis (CZE) to the determination of pathogenic bacteria for medical diagnosis
    Marek Jackowski
    Department of Surgery, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Torun, Poland
    Anal Bioanal Chem 391:2153-60. 2008
    ..Recent studies have demonstrated very practical uses for electrophoretic techniques, especially in the field of medical diagnosis...
  38. doi request reprint Differentiation of Staphylococcus aureus strains by CE, zeta potential and coagulase gene polymorphism
    Ewa Kłodzińska
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Electrophoresis 30:3086-91. 2009
    ..Understanding the differences between S. aureus strains could help to improve our knowledge about S. aureus pathogenecity and to monitor for and respond to emergence of more virulent strains...
  39. ncbi request reprint Clinoptilolite in study of lindane and aldrin sorption processes from water solution
    Myroslav Sprynskyy
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarina Str, 87 100 Torun, Poland
    J Hazard Mater 151:570-7. 2008
    ..Only 10% of lindane sorbed and about 60% of aldrin sorbed were desorbed from the clinoptilolite using n-hexane under static conditions...
  40. doi request reprint Effect of zeta potential value on bacterial behavior during electrophoretic separation
    Ewa Kłodzińska
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Poland
    Electrophoresis 31:1590-6. 2010
    ..On the other hand, lower zeta potential was also observed for dead bacterial cells, which suggested that some of the peaks can be attributed to viable cells while the other to the dead ones...
  41. ncbi request reprint The influence of the mobile phase pH and the stationary phase type on the selectivity tuning in high performance liquid chromatography nucleosides separation
    Sylwia Kowalska
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 28:1502-11. 2005
    ..In order to study the influence of different packing types on the analyzed nucleosides retention, the relationship between pH of the mobile phase buffer and the selectivity of a stationary phase was investigated...
  42. ncbi request reprint Characterizing HPLC stationary phases
    Katarzyna Krupczynska
    Department of Environmental Chemistry and Ecoanalytics, Nicholaus Copernicus University, 7 Gagarin Street, PL 87 100 Torun, Poland
    Anal Chem 76:227A-234A. 2004
  43. ncbi request reprint Molecularly imprinted polymers: a new tool for separation of steroid isomers
    Michał Szumski
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicolas Copernicus University, ul Gagarina 7, 87 100 Toruri, Poland
    J Sep Sci 27:837-42. 2004
    ..Molecular modeling revealed the presence of only one hydrogen bond that differentiates the two isomers...
  44. ncbi request reprint Rapid identification of Escherichia coli and Helicobacter pylori in biological samples by capillary zone electrophoresis
    Ewa Kłodzińiska
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 29:1180-7. 2006
    ..Helicobacter pylori colonize the stomach and are responsible for severe diseases of the gastric tract, ranging from chronic gastric ulcer to gastric cancer...
  45. doi request reprint The influence of the organic modifier in hydro-organic mobile phase on separation selectivity of steroid hormones separation using cholesterol-bonded stationary phases
    Szymon Bocian
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin St, PL 87 100 Torun, Poland
    J Chromatogr A 1245:90-7. 2012
    ..The presented results show that the coverage density of the bonded ligands and the type of organic modifier strongly influence the retention mechanism and separation selectivity of steroid hormones on cholesterol-containing adsorbents...
  46. doi request reprint Kinetic and equilibrium studies of phenol adsorption by natural and modified forms of the clinoptilolite
    Myroslav Sprynskyy
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 87 100 Torun
    J Hazard Mater 169:847-54. 2009
    ..The Freundlich isotherm describes in a greater degree phenol sorption from aqueous solutions of low phenol concentrations, while the Langmuir isotherm fits better to sorption at high initial concentrations...
  47. ncbi request reprint Some remarks on characterization and application of stationary phases for RP-HPLC determination of biologically important compounds
    Sylwia Kowalska
    Department of Environmental Chemistry and Ecoanalytics, Nicolaus Copernicus University, Faculty of Chemistry, 7 Gagarin St, PL 87 100 Torun, Poland
    Biomed Chromatogr 20:4-22. 2006
    ..All the presented methods made possible the design and quality control of a new generation stationary phases, which are the future of high-performance liquid chromatography...
  48. doi request reprint Determination of volatile organic compounds as biomarkers of lung cancer by SPME-GC-TOF/MS and chemometrics
    Joanna Rudnicka
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Chromatogr B Analyt Technol Biomed Life Sci 879:3360-6. 2011
    ..Presented an analytical and statistical methods for detection composition of exhaled air could be applied as a potential non-intrusive tool for screening of lung cancer...
  49. ncbi request reprint Migration of bacteria through a monolith
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarina 7, Torun, Poland
    J Chromatogr A 1216:6146-50. 2009
    ..The results have shown, that large pores (ca. 300 nm) dominate in the monolithic bed structure, however much larger flow-through pores must also be present as ca. 1 microm sized S. aureus bacteria were able to migrate through the bed...
  50. ncbi request reprint Immobilization of selected heavy metals in sewage sludge by natural zeolites
    Przemysław Kosobucki
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, NCU, 7 Gagarin Street, 87 100 Torun, Poland
    Bioresour Technol 99:5972-6. 2008
    ..It was found that best possible conditions for immobilization of heavy metal ions were as follows: zeolite fraction 0.7-1.0mm, 5h of shaking, zeolite/sewage sludge ratio 2/98...
  51. ncbi request reprint Application of chemometrics in river water classification
    Tomasz Kowalkowski
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicholas Copernicus University, Gagarina 7, 87 100 Torun, Poland
    Water Res 40:744-52. 2006
    ....
  52. ncbi request reprint Optimization of a matrix solid-phase dispersion method for the determination analysis of carbendazim residue in plant material
    Monika Michel
    Pesticide Residue Laboratory, Plant Protection Institute in Poznan, Field Experimental Station in Toruń, 73 Zwirki i Wigury St, 87 100 Torun, Poland
    J Chromatogr B Analyt Technol Biomed Life Sci 800:309-14. 2004
    ..1 microg/g fortification levels. The method was successfully tested on cereal samples, and the results obtained with the present off-line MSPD-HPLC procedure were found to compare well with those obtained with procedure involving LLE...
  53. doi request reprint A study of interactions between bacteria and antibiotics by capillary electrophoresis
    Ewa Kłodzińska
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Electrophoresis 33:3095-100. 2012
    ..5 min. The obtained sensitivity and specificity amounted to 89.5 and 100%, respectively. It is the first application of CZE in the study of medical therapy...
  54. ncbi request reprint Separation of microorganisms using electromigration techniques
    Michał Szumski
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicolas Copernicus University, ul Gagarina 7, 87 100 Torun, Poland
    J Chromatogr A 1084:186-93. 2005
    ....
  55. doi request reprint The application of statistical methods using VOCs to identify patients with lung cancer
    Agnieszka Ulanowska
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin Street 7, 87 100 Torun, Poland
    J Breath Res 5:046008. 2011
    ..DA revealed that in order to recognize healthy volunteers with different smoking habits by breath analysis, butyrolactone, carbon disulfide and dimethyl sulfide have to be considered...
  56. doi request reprint Determination of volatile organic compounds in human breath for Helicobacter pylori detection by SPME-GC/MS
    Agnieszka Ulanowska
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin Street 7, Torun, Poland
    Biomed Chromatogr 25:391-7. 2011
    ..Knowledge of substances emitted by H. pylori with the application of an optimized breath analysis method might become a very useful tool for noninvasive detection of this bacterium...
  57. pmc Supramolecular recognition of estrogens via molecularly imprinted polymers
    Bogusław Buszewski
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin St, 87 100 Torun, Poland
    Anal Bioanal Chem 397:2977-86. 2010
    ....
  58. doi request reprint Isolation and detection of steroids from human urine by molecularly imprinted solid-phase extraction and liquid chromatography
    Renata Gadzała-Kopciuch
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Chromatogr B Analyt Technol Biomed Life Sci 877:1177-84. 2009
    ..Molecularly imprinted solid-phase extraction (MISPE) considered as hyphenated technique were applied in extraction step before HPLC-DAD analysis of steroids from human urine...
  59. ncbi request reprint Soil reclamation by municipal sewage compost: Heavy metals migration study
    Tomasz Kowalkowski
    Department of Environmental Chemistry and Bioanalytics, Nicholas Copernicus University, Torun, Poland
    J Environ Sci Health A Tox Hazard Subst Environ Eng 44:522-7. 2009
    ..Moreover, sorption capacity of the soil sample studied was substantially greater to prevent transportation of metals into the lower horizons and groundwater...
  60. ncbi request reprint Using gas chromatography for indoor-air quality control in conservation and renovation studios
    Tomasz Ligor
    Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Int J Occup Saf Ergon 11:251-61. 2005
    ..These compounds have a wide range of applications in cleaning and removing old varnishes, lacquers and paints; inhalation is the main route of exposure. Vapour was collected using an active sampling method...
  61. doi request reprint Investigation of lung cancer biomarkers by hyphenated separation techniques and chemometrics
    Bogusław Buszewski
    Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Clin Chem Lab Med 50:573-81. 2012
    ....
  62. doi request reprint The separation of uranium ions by natural and modified diatomite from aqueous solution
    Myroslav Sprynskyy
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Hazard Mater 181:700-7. 2010
    ..The highest values of uranium desorption (86%) have been reached using 0.1M HCl...
  63. ncbi request reprint Considerations on influence of charge distribution on determination of biomolecules and microorganisms and tailoring the monolithic (continuous bed) materials for bioseparations
    Michał Szumski
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarina 7, PL 87 100 Torun, Poland
    J Biochem Biophys Methods 70:107-15. 2007
    ....
  64. ncbi request reprint Comparative evaluation of high-performance liquid chromatography stationary phases used for the separation of peptides in terms of quantitative structure-retention relationships
    Monika Michel
    Department of Environmental Chemistry and Bioanalytics, Nicolaus Copernicus University, Gagarin St 7, 87 100 Torun, Poland
    J Chromatogr A 1175:49-54. 2007
    ..On the other hand, the combination of QSRR and principal component analysis (PCA) can be considered as the efficient tool allowing column classification and searching for orthogonal HPLC conditions required to separate peptides...
  65. ncbi request reprint Study of ionic liquid cations transport in soil
    Sylwia Studzińska
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, PL 87 100 Torun, Poland
    J Hazard Mater 168:1542-7. 2009
    ..Factorial regression has been applied to modeling of the results. It relates soil and the ionic liquid cation properties to the retardation of this cation in soil profile...
  66. ncbi request reprint Solvent excess adsorption on the stationary phases for reversed-phase liquid chromatography with polar functional groups
    Szymon Bocian
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin 7, Torun, Poland
    J Chromatogr A 1204:35-41. 2008
    ..Our results clearly demonstrate how the functional groups modify the chromatographic properties of the homogeneous hydrophobic adsorbents...
  67. ncbi request reprint EOF in monolithic poly(styrene-co-divinylbenzene) capillary columns
    Michał Szumski
    Faculty of Chemistry, Nicolaus Copernicus University, Gagarina, Torun, Poland
    Electrophoresis 30:583-8. 2009
    ..The modeling has shown that the buffer molecules can be attracted by the neutral polystyrene surface only in the presence of water molecules, thus creating a negatively charged layer...
  68. doi request reprint Study of toxicity of imidazolium ionic liquids to watercress (Lepidium sativum L.)
    Sylwia Studzińska
    Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin Str, 87 100, Torun, Poland
    Anal Bioanal Chem 393:983-90. 2009
    ..Visual effects of ionic liquid toxic activity to garden cress are similar as in the case of nutrient deficit in plants...
  69. ncbi request reprint Study of charge distribution on the surface of biocolloids
    Ewelina Dziubakiewicz
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarina 7, 87 100 Torun, Poland
    Colloids Surf B Biointerfaces 104:122-7. 2013
    ..subtilis was determined at pH 2.2 for 0.005 M and 0.01 M NaNO(3). Zeta potential increased with a rise in pH, and it decreased with an increase in ionic strength...
  70. doi request reprint Chemotherapy control by breath profile with application of SPME-GC/MS method
    Agnieszka Ulanowska
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 35:2908-13. 2012
    ..The data showed that cytostatic drugs increase the concentration of acetone and isoprene in the breath collected after chemotherapy. Volatile metabolites of administrated drugs were not identified in expired air...
  71. doi request reprint Study of sorption kinetics of some ionic liquids on different soil types
    Sylwia Studzińska
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin Street, PL 87 100 Torun, Poland
    Chemosphere 71:2121-8. 2008
    ..Sorption of the analyzed compounds occurs probably by means of hydrogen bonds, electrostatic and pi three dots pi interaction with the organic matter and the clay minerals of the soils...
  72. ncbi request reprint Statistical characterisation of water quality in Great Usuthu River (Swaziland)
    Tomasz Kowalkowski
    School of Chemistry, Department of Environmental Analytical Chemistry, University of Witwatersrand WITS 2050, South Africa
    J Environ Sci Health A Tox Hazard Subst Environ Eng 42:1065-72. 2007
    ..In addition chemical oxygen demand was also determined for the water samples. The statistical methods indicated the major parameters discriminating the sampling sites characteristics and showed the seasonality in the dataset...
  73. pmc Application of medical and analytical methods in Lyme borreliosis monitoring
    Magdalena Ligor
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    Anal Bioanal Chem 402:2233-48. 2012
    ..These include spectrophotometry as well as liquid and gas chromatography. The analytical procedure also requires the application of a derivatization step by the use of selected reagents...
  74. pmc Clinical application of a rapid microbiological test based on capillary zone electrophoresis to assess local skin infection
    Jacek Szeliga
    Department of General, Gastroenterological and Oncological Surgery, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, ul, SW, Jozefa 53 59 PL 87 100 Toruń, Poland
    BMC Res Notes 4:467. 2011
    ..abstract:..
  75. doi request reprint The comparison of solid phase microextraction-GC and static headspace-GC for determination of solvent residues in vegetable oils
    Magdalena Ligor
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 31:364-71. 2008
    ..005-0.119 mg/kg for SPME-GC-FID and 0.003-0.728 mg/kg for SHS-GC-FID). Chemical properties of analysed vegetable oils have been characterised by chemometric procedure (cluster analysis)...
  76. doi request reprint Isolation, purification and determination of 4-n-nonylphenol and 4-tert-octylphenol in aqueous and biological samples
    Renata Gadzała-Kopciuch
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin St, 87 100 Torun, Poland
    Talanta 74:655-60. 2008
    ..In the case of fish tissue, different situation was observed because the obtained values were considerably lower, being 68.32% for 4-t-OP using hexane (program 1) as solvent and 72.35% (program 2) for 4-n-NP using acetonitrile...
  77. doi request reprint Dendrimer modified silica gel for anion exchange chromatography: synthesis, characterization and application
    Magdalena Jackowska
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Gagarin 7, 87 100 Torun, Poland
    Analyst 137:4610-7. 2012
    ..The obtained stationary phase was applied in ion chromatography for the separation of inorganic anions (F(-), Cl(-), NO(2)(-), Br(-), NO(3)(-), HPO(4)(2-), SO(4)(2-), ClO(4)(-)). Bicarbonate buffer was used as a mobile phase...
  78. pmc Determination of zearalenone and its metabolites in endometrial cancer by coupled separation techniques
    Renata Gadzała-Kopciuch
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin St, 87 100 Torun, Poland
    Anal Bioanal Chem 401:2069-78. 2011
    ..The combination of UE-MISPE-LC (ultrasonic extraction--molecularly imprinted solid-phase extraction--liquid chromatography) produced high (R≈95-98%) and repeatable (RSD<3%) recovery values for ZON and α-ZOL...
  79. doi request reprint Isotachophoretic separation of selected imidazolium ionic liquids
    Przemysław Kosobucki
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarin Street, 87 100 Torun, Poland
    Talanta 74:1670-4. 2008
    ..Thanks to its low cost and high rate, the presented method can be used in qualitative routine analysis as an alternative technique to liquid chromatography...
  80. ncbi request reprint Study of the selection mechanism of heavy metal (Pb2+, Cu2+, Ni2+, and Cd2+) adsorption on clinoptilolite
    Myroslav Sprynskyy
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicolaus Copernicus University, 7 Gagarina Str, 87 100 Torun, Poland
    J Colloid Interface Sci 304:21-8. 2006
    ..7, 25.76, and 13.03 mg/g at 800 mg/L. The sorption results fit well to the Langmuir and the Freundlich models. The second one is better for adsorption modeling at high metal concentrations...
  81. pmc The clinical use of a fast screening test based on technology of capillary zone electrophoresis (CZE) for identification of Escherichia coli infection in biological material
    Jacek Szeliga
    Department of General, Gastroenterological and Oncological Surgery, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Torun, Poland
    Med Sci Monit 17:MT91-6. 2011
    ..Its early detection, as a cause of infectious disease, helps to achieve optimal treatment results; however, classical microbiological tests require at least 24 hours from sample taking to diagnosis...
  82. ncbi request reprint Monolithic continuous beds as a new generation of stationary phase for chromatographic and electro-driven separations
    E Kłodzińska
    Department of Environmental Chemistry and Ecoanalytics, Faculty of Chemistry, Nicolaus Copernicus University ul Gagarina 7, 87 100 Torun, Poland
    J Chromatogr A 1109:51-9. 2006
    ..Special attention is paid to microfabricated devices with monolithic supports because their fabrication of particles directly in the channel eliminates the need for a frit and also creates a unique homogeneity of packing...
  83. ncbi request reprint Simultaneous isolation of Rutin and Esculin from plant material and drugs using solid-phase extraction
    B Buszewski
    Department of Chemical Physics, Faculty of Chemistry, Maria Curie Skłodowska University, Lublin, Poland
    J Pharm Biomed Anal 11:211-5. 1993
    ..On the basis of isolation investigation the influence of SPE packing materials on the selectivity change and recovery of both extracted substances were studied...
  84. doi request reprint Chromatographic determination of hydrophobicity of dialkylimidazolium ionic liquids using selected stationary phase
    Sylwia Studzińska
    Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 35:1123-31. 2012
    ..This result is very promising as it has already been proven that several, different in nature, stationary phases can be successfully used for estimation of logP of IL cations...
  85. ncbi request reprint Retention mechanism of the multifunctional solute on columns with different coverage densities using highly aqueous reversed-phase conditions
    Szymon Bocian
    Department of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
    J Sep Sci 33:3033-42. 2010
    ..Presented data show that application of non-standard low coverage density C18 phases allow to determine AMO in the RPLC condition with high retention...
  86. ncbi request reprint Determination of monocyclic aromatic hydrocarbons in fruit and vegetables by gas chromatography-mass spectrometry
    A Górna-Binkul
    Department of Environmental Chemistry, Faculty of Chemistry, Nicholas Copernicus University, Torun, Poland
    J Chromatogr A 734:297-302. 1996
    ..The highest concentrations of MAHs were found in parsley leaves (m- and p-xylene) and in orange peel (toluene). Estimation of the daily human exposure to MAHs through eating contaminated fruit and vegetables was performed...