Research Topics
| Bogusław BuszewskiSummaryAffiliation: Institute of General and Molecular Biology Country: Poland Publications
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Detail Information
Publications
Application of the zeta potential for stationary phase characterization in ion chromatographyBogusław 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...
Zeta potential determination as a new way of stationary phases characterization for liquid chromatographyBogusław 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...- Application of CZE in the differentiation of Staphylococcus aureus strainsBogusław Buszewski
Chair of Environmental Chemistry and Bioanalytics, Faculty of Chemistry, Torun, Poland
Methods Mol Biol 919:149-54. 2013..aureus strains... 
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...- Identification of volatile lung cancer markers by gas chromatography-mass spectrometry: comparison with discrimination by caninesBogusław 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... - New approaches to extraction techniques in determination of 4,4'-methylenebis(2-chloroaniline) in air and water solutionsBogusław 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... - Determination of accessible silanols groups on silica gel surfaces using microcalorimetric measurementsBogusław 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... - Noninvasive detection of lung cancer by analysis of exhaled breathAmel 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... - Determination of selected beta-receptor antagonists in biological samples by solid-phase extraction with cholesterolic phase and LC/MSBogusław 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... - Effect of chemically bonded stationary phases and mobile phase composition on beta-blockers retention in RP-HPLCBoguslaw 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... - Identification of volatile organic compounds secreted from cancer tissues and bacterial culturesBogusław 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... - Determination of pathogenic bacteria by CZE with surface-modified capillariesBogusław 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... - Quantitative structure-retention relationship studies as an analytical tool in the determination and modeling of pesticide residues in plant organismsBogusław 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... - High performance liquid chromatography of 1,1-diamino-2,2-dinitroethene and some intermediate products of its synthesisBogusław 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... - Analysis of exhaled breath from smokers, passive smokers and non-smokers by solid-phase microextraction gas chromatography/mass spectrometryBogusław 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... - A novel approach to the rapid determination of amoxicillin in human plasma by solid phase microextraction and liquid chromatographyBoguslaw 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... - Investigation of silanol activity on the modified silica surfaces using microcalorimetric measurementsBogusław 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... - Functionalized polymeric stationary phases for ion chromatographyBogusław 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... - Preparation and characterization of microporous fibers for sample preparation and LC-MS determination of drugsBoguslaw 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%... - Determination of adrenolytic drugs by SPME-LC-MSBoguslaw 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... - Modeling solvation on the chemically modified silica surfacesBogusław 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... - Study of solvation processes on cholesterol bonded phasesBoguslaw 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... - Stationary phases with special structural properties for high-throughput separation techniques: preparation, characterization and applicationsBoguslaw 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... - Effect of stationary phase structure on retention and selectivity tuning in the high-throughput separation of tocopherol isomers by HPLCBoguslaw 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.... - Poland's environment--past, present and future state of the environment in the Vistula and Odra River basinsBogusław 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.... - Stationary phase with specific surface properties for the separation of estradiol diastereoisomersB 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)... - Effect of coverage density and structure of chemically bonded silica stationary phases on the separation of compounds with various propertiesBogusław 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... - HPLC columns partition by chemometric methods based on peptides retentionBogusław 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... - Rapid identification of Helicobacter pylori by capillary electrophoresis: an overviewB 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... - Human exhaled air analytics: biomarkers of diseasesBogusław 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... - Isolation and determination of ginsenosides in American ginseng leaves and root extracts by LC-MST 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... - Excess isotherms as a new way for characterization of the columns for reversed-phase liquid chromatographyB 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... - Hydrophilic interaction liquid chromatography (HILIC)--a powerful separation techniqueBogusław 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... - Molecularly imprinted polymers: a new tool for separation of steroid isomersMichał 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... - Differentiation of Staphylococcus aureus strains by CE, zeta potential and coagulase gene polymorphismEwa 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... - Characterizing HPLC stationary phasesKatarzyna Krupczynska
Department of Environmental Chemistry and Ecoanalytics, Nicholaus Copernicus University, 7 Gagarin Street, PL 87 100 Torun, Poland
Anal Chem 76:227A-234A. 2004 - Clinoptilolite in study of lindane and aldrin sorption processes from water solutionMyroslav 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... - Effect of zeta potential value on bacterial behavior during electrophoretic separationEwa 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... - Rapid identification of Escherichia coli and Helicobacter pylori in biological samples by capillary zone electrophoresisEwa 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... - The influence of the organic modifier in hydro-organic mobile phase on separation selectivity of steroid hormones separation using cholesterol-bonded stationary phasesSzymon 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... - Removal of zearalenone toxin from synthetics gastric and body fluids using talc and diatomite: a batch kinetic studyMyroslav 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... - Application of capillary zone electrophoresis (CZE) to the determination of pathogenic bacteria for medical diagnosisMarek 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... - Kinetic and equilibrium studies of phenol adsorption by natural and modified forms of the clinoptiloliteMyroslav 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... - Determination of volatile organic compounds as biomarkers of lung cancer by SPME-GC-TOF/MS and chemometricsJoanna 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... - Migration of bacteria through a monolithBogusław 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... - A study of interactions between bacteria and antibiotics by capillary electrophoresisEwa 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... - Separation of microorganisms using electromigration techniquesMichał 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.... - The application of statistical methods using VOCs to identify patients with lung cancerAgnieszka 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... - Soil reclamation by municipal sewage compost: Heavy metals migration studyTomasz 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... - Isolation and detection of steroids from human urine by molecularly imprinted solid-phase extraction and liquid chromatographyRenata 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... - Determination of volatile organic compounds in human breath for Helicobacter pylori detection by SPME-GC/MSAgnieszka 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... - Supramolecular recognition of estrogens via molecularly imprinted polymersBogusław 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.... - Investigation of lung cancer biomarkers by hyphenated separation techniques and chemometricsBogusław Buszewski
Faculty of Chemistry, Nicolaus Copernicus University, Torun, Poland
Clin Chem Lab Med 50:573-81. 2012.... - The separation of uranium ions by natural and modified diatomite from aqueous solutionMyroslav 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... - Considerations on influence of charge distribution on determination of biomolecules and microorganisms and tailoring the monolithic (continuous bed) materials for bioseparationsMichał 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.... - Immobilization of selected heavy metals in sewage sludge by natural zeolitesPrzemysław 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... - Study of ionic liquid cations transport in soilSylwia 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... - EOF in monolithic poly(styrene-co-divinylbenzene) capillary columnsMichał 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... - 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... - Solvent excess adsorption on the stationary phases for reversed-phase liquid chromatography with polar functional groupsSzymon 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... - Comparative evaluation of high-performance liquid chromatography stationary phases used for the separation of peptides in terms of quantitative structure-retention relationshipsMonika 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... - Chemotherapy control by breath profile with application of SPME-GC/MS methodAgnieszka 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... - Application of ion mobility spectrometry for the detection of human urineJoanna 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.... - Study of sorption kinetics of some ionic liquids on different soil typesSylwia 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... - 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... - Application of medical and analytical methods in Lyme borreliosis monitoringMagdalena 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... - Clinical application of a rapid microbiological test based on capillary zone electrophoresis to assess local skin infectionJacek 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:.. - The comparison of solid phase microextraction-GC and static headspace-GC for determination of solvent residues in vegetable oilsMagdalena 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)... - Isolation, purification and determination of 4-n-nonylphenol and 4-tert-octylphenol in aqueous and biological samplesRenata 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... - Dendrimer modified silica gel for anion exchange chromatography: synthesis, characterization and applicationMagdalena 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... - Determination of zearalenone and its metabolites in endometrial cancer by coupled separation techniquesRenata 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... - The clinical use of a fast screening test based on technology of capillary zone electrophoresis (CZE) for identification of Escherichia coli infection in biological materialJacek 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... - Isotachophoretic separation of selected imidazolium ionic liquidsPrzemysław 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... - Study of the selection mechanism of heavy metal (Pb2+, Cu2+, Ni2+, and Cd2+) adsorption on clinoptiloliteMyroslav 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... - Simultaneous isolation of Rutin and Esculin from plant material and drugs using solid-phase extractionB 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... - Monolithic continuous beds as a new generation of stationary phase for chromatographic and electro-driven separationsE 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... - Chromatographic determination of hydrophobicity of dialkylimidazolium ionic liquids using selected stationary phaseSylwia 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... - Retention mechanism of the multifunctional solute on columns with different coverage densities using highly aqueous reversed-phase conditionsSzymon 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... - Determination of monocyclic aromatic hydrocarbons in fruit and vegetables by gas chromatography-mass spectrometryA 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...