All Stories

  1. In vitro response of human ovarian cancer cells to dietary bioflavonoid isoquercitrin

    Article • Journal of Environmental Science and Health Part B, July 2019, Taylor & Francis

    Marek Halenar, Professor Vladimir Kren

  2. Isolated Silymarin Flavonoids Increase Systemic and Hepatic Bilirubin Concentrations and Lower Lipoperoxidation in Mice

    Article • Oxidative Medicine and Cellular Longevity, February 2019, Hindawi Publishing Corporation

    Professor Vladimir Kren

  3. In-Cell Biochemistry Using NMR Spectroscopy

    Article • April 2016, Taylor & Francis

    Professor Vladimir Kren

  4. Enzymatic oxidative dimerization of silymarin flavonolignans

    Article • Journal of Molecular Catalysis B Enzymatic, November 2014, Elsevier

    Professor Vladimir Kren

  5. Access to bifunctionalized biomolecular platforms using oxime ligation

    Article • Carbohydrate Research, July 2014, Elsevier

    Professor Vladimir Kren

  6. Dehydro-flavonolignans from silymarin are potent inhibitors of lipid peroxidation in isolated respiring rat heart and liver mitochondria

    Article • Biochimica et Biophysica Acta (BBA) - Bioenergetics, July 2014, Elsevier

    Professor Vladimir Kren

  7. Isoquercitrin: Pharmacology, toxicology, and metabolism

    Article • Food and Chemical Toxicology, June 2014, Elsevier

    Professor Vladimir Kren

  8. cis – trans Isomerization of silybins A and B

    Article • Beilstein Journal of Organic Chemistry, May 2014, Beilstein Institut

    Professor Vladimir Kren

  9. Chemo-Enzymatic Synthesis of Silybin and 2,3-Dehydrosilybin Dimers

    Article • Molecules, April 2014, MDPI AG

    Professor Vladimir Kren

  10. Preparation of silybin phase II metabolites: Streptomyces catalyzed glucuronidation

    Article • Journal of Molecular Catalysis B Enzymatic, April 2014, Elsevier

    Professor Vladimir Kren, Professor Robert Azerad

  11. Inhibition of GlcNAc-Processing Glycosidases by C-6-Azido-NAG-Thiazoline and Its Derivatives

    Article • Molecules, March 2014, MDPI AG

    Professor Vladimir Kren

  12. Expression, characterization and homology modeling of a novel eukaryotic GH84 β-N-acetylglucosaminidase from Penicillium chrysogenum

    Article • Protein Expression and Purification, March 2014, Elsevier

    Professor Vladimir Kren

  13. Biphasic Catalysis with Disaccharide Phosphorylases: Chemoenzymatic Synthesis of α-d-Glucosides Using Sucrose Phosphorylase

    Article • Organic Process Research & Development, February 2014, American Chemical Society (ACS)

    Professor Vladimir Kren

  14. Re-Evaluation of Binding Properties of Recombinant Lymphocyte Receptors NKR-P1A and CD69 to Chemically Synthesized Glycans and Peptides

    Article • International Journal of Molecular Sciences, January 2014, MDPI AG

    Professor Vladimir Kren

  15. Chemistry of silybin

    Article • Natural Product Reports, January 2014, Royal Society of Chemistry

    Professor Vladimir Kren, Dr David Biedermann

  16. Biotransformation of Silybin and its Congeners

    Article • Current Drug Metabolism, December 2013, Bentham Science Publishers

    Professor Vladimir Kren

  17. LC–MS metabolic study on quercetin and taxifolin galloyl esters using human hepatocytes as toxicity and biotransformation in vitro cell model

    Article • Journal of Pharmaceutical and Biomedical Analysis, December 2013, Elsevier

    Professor Vladimir Kren

  18. Recombinant α-L-rhamnosidase ofAspergillus terreusimmobilization in polyvinylalcohol hydrogel and its application in rutin derhamnosylation

    Article • Biocatalysis and Biotransformation, November 2013, Taylor & Francis

    Professor Vladimir Kren

  19. Chemoenzymatic synthesis of α-l-rhamnosides using recombinant α-l-rhamnosidase from Aspergillus terreus

    Article • Bioresource Technology, November 2013, Elsevier

    Professor Vladimir Kren

  20. Antioxidant, metal-binding and DNA-damaging properties of flavonolignans: A joint experimental and computational highlight based on 7-O-galloylsilybin

    Article • Chemico-Biological Interactions, October 2013, Elsevier

    Professor Vladimir Kren

  21. Preparative Purification and Isolation of Pyranoanthocyanins from Red Wine and Evaluation of Their Antioxidant Activity

    Article • Chromatographia, August 2013, Springer Science + Business Media

    Professor Vladimir Kren

  22. ChemInform Abstract: Enzymatic Glycosylation of Multivalent Scaffolds

    Article • ChemInform, August 2013, Wiley

    Professor Vladimir Kren

  23. Effect of 3-O-Galloyl Substitution on the Electrochemical Oxidation of Quercetin and Silybin Galloyl Esters at Glassy Carbon Electrode

    Article • Electroanalysis, June 2013, Wiley

    Professor Vladimir Kren

  24. Preparation of silybin and isosilybin sulfates by sulfotransferase from Desulfitobacterium hafniense

    Article • Journal of Molecular Catalysis B Enzymatic, May 2013, Elsevier

    Professor Vladimir Kren

  25. Bioavailability of silymarin flavonolignans: drug formulations and biotransformation

    Article • Phytochemistry Reviews, April 2013, Springer Science + Business Media

    Professor Vladimir Kren

  26. Anti-Cancer Efficacy of Silybin Derivatives - A Structure-Activity Relationship

    Article • PLoS ONE, March 2013, PLOS

    Professor Vladimir Kren

  27. Enzymatic preparation of silybin phase II metabolites: sulfation using aryl sulfotransferase from rat liver

    Article • Applied Microbiology and Biotechnology, March 2013, Springer Science + Business Media

    Professor Vladimir Kren

  28. Enzymatic synthesis of new C-6-acylated derivatives of NAG-thiazoline and evaluation of their inhibitor activities towards fungal β-N-acetylhexosaminidase

    Article • Journal of Molecular Catalysis B Enzymatic, March 2013, Elsevier

    Professor Vladimir Kren

  29. A Novel Semisynthetic Flavonoid 7-O-Galloyltaxifolin Upregulates Heme Oxygenase-1 in RAW264.7 Cells via MAPK/Nrf2 Pathway

    Article • Journal of Medicinal Chemistry, January 2013, American Chemical Society (ACS)

    Professor Vladimir Kren

  30. ChemInform Abstract: Enzymatic Glycosylation of Small Molecules: Challenging Substrates Require Tailored Catalysts

    Article • ChemInform, January 2013, Wiley

    Professor Vladimir Kren

  31. Enzymatic glycosylation of multivalent scaffolds

    Article • Chemical Society Reviews, January 2013, Royal Society of Chemistry

    Lothar Elling, Professor Vladimir Kren

  32. β‐N‐Acetylhexosaminidases: group‐specific inhibitors wanted

    Article • January 2013, Royal Society of Chemistry

    Professor Vladimir Kren

  33. Preparative method for isosilybin isolation based on enzymatic kinetic resolution of silymarin mixture

    Article • Process Biochemistry, January 2013, Elsevier

    Professor Vladimir Kren

  34. Ionic liquids as cosolvents for glycosylation by sucrose phosphorylase: balancing acceptor solubility and enzyme stability

    Article • Green Chemistry, January 2013, Royal Society of Chemistry

    Professor Vladimir Kren

  35. Base-catalyzed oxidation of silybin and isosilybin into 2,3-dehydro derivatives

    Article • Tetrahedron Letters, January 2013, Elsevier

    Professor Vladimir Kren, Dr David Biedermann

  36. Production of Aspergillus niger β-mannosidase in Pichia pastoris

    Article • Protein Expression and Purification, October 2012, Elsevier

    Professor Vladimir Kren

  37. Enzymatic Glycosylation of Small Molecules: Challenging Substrates Require Tailored Catalysts

    Article • Chemistry - A European Journal, August 2012, Wiley

    Professor Vladimir Kren, Professor Lubbert Dijkhuizen

  38. Preparatory production of quercetin-3-β-d-glucopyranoside using alkali-tolerant thermostable α-l-rhamnosidase from Aspergillus terreus

    Article • Bioresource Technology, July 2012, Elsevier

    Professor Vladimir Kren

  39. Biotransformation of flavonols and taxifolin in hepatocyte in vitro systems as determined by liquid chromatography with various stationary phases and electrospray ionization-quadrupole time-of-flight mass spectrometry

    Article • Journal of Chromatography B, June 2012, Elsevier

    Professor Vladimir Kren

  40. Chemo-enzymatic modification of poly- N -acetyllactosamine (LacNAc) oligomers and N,N -diacetyllactosamine (LacDiNAc) based on galactose oxidase treatment

    Article • Beilstein Journal of Organic Chemistry, May 2012, Beilstein Institut

    Professor Vladimir Kren

  41. Recombinant α-l-rhamnosidase from Aspergillus terreus in selective trimming of rutin

    Article • Process Biochemistry, May 2012, Elsevier

    Professor Vladimir Kren

  42. Facile synthesis of nitrophenyl 2-acetamido-2-deoxy-α-D-mannopyranosides from ManNAc-oxazoline

    Article • Beilstein Journal of Organic Chemistry, March 2012, Beilstein Institut

    Professor Vladimir Kren

  43. Quercetin, Quercetin Glycosides and Taxifolin Differ in their Ability to Induce AhR Activation and CYP1A1 Expression in HepG2 Cells

    Article • Phytotherapy Research, March 2012, Wiley

    Professor Vladimir Kren

  44. Heterologous Expression and Characterization of an N-Acetyl-β-d-hexosaminidase from Lactococcus lactis ssp. lactis IL1403

    Article • Journal of Agricultural and Food Chemistry, March 2012, American Chemical Society (ACS)

    Professor Vladimir Kren

  45. Sequencing, cloning and high-yield expression of a fungal β-N-acetylhexosaminidase in Pichia pastoris

    Article • Protein Expression and Purification, March 2012, Elsevier

    Professor Vladimir Kren

  46. Facile production of Aspergillus niger α-N-acetylgalactosaminidase in yeast

    Article • Protein Expression and Purification, January 2012, Elsevier

    Professor Vladimir Kren

  47. Flavonoid-dependent Attenuation of Mitochondrial ROS Formation is Augmented by Their Modulation of Bioenergetic Status of the Cell

    Article • Free Radical Biology and Medicine, November 2011, Elsevier

    Professor Vladimir Kren

  48. Synthesis and Antiangiogenic Activity of New Silybin Galloyl Esters

    Article • Journal of Medicinal Chemistry, October 2011, American Chemical Society (ACS)

    Professor Vladimir Kren

  49. Electrochemical investigation of flavonolignans and study of their interactions with DNA in the presence of Cu(II)

    Article • Bioelectrochemistry, October 2011, Elsevier

    Professor Vladimir Kren

  50. Laboratory evolution of an epoxide hydrolase – Towards an enantioconvergent biocatalyst

    Article • Journal of Biotechnology, October 2011, Elsevier

    Professor Vladimir Kren

  51. Biodegradation of tetrabromobisphenol A by oxidases in basidiomycetous fungi and estrogenic activity of the biotransformation products

    Article • Bioresource Technology, October 2011, Elsevier

    Professor Vladimir Kren

  52. ChemInform Abstract: Glycosidases in Carbohydrate Synthesis: When Organic Chemistry Falls Short

    Article • ChemInform, September 2011, Wiley

    Professor Vladimir Kren

  53. Purification and characterization of heterologously expressed nitrilases from filamentous fungi

    Article • Applied Microbiology and Biotechnology, September 2011, Springer Science + Business Media

    Professor Vladimir Kren

  54. Combinatorial One-Pot Synthesis of Poly-N-acetyllactosamine Oligosaccharides with Leloir-Glycosyltransferases

    Article • Advanced Synthesis & Catalysis, September 2011, Wiley

    Professor Vladimir Kren

  55. Regioselective alcoholysis of silybin A and B acetates with lipases

    Article • Journal of Molecular Catalysis B Enzymatic, September 2011, Elsevier

    Professor Vladimir Kren

  56. Charged Hexosaminides as New Substrates for β-N-Acetylhexosaminidase-Catalyzed Synthesis of Immunomodulatory Disaccharides

    Article • Advanced Synthesis & Catalysis, August 2011, Wiley

    Professor Vladimir Kren

  57. Study of electrooxidation mechanisms and antioxidant properties of flavonols and flavonolignans

    Article • Planta Medica, August 2011, Thieme Publishing Group

    Professor Vladimir Kren

  58. Narrow-bore core-shell particles and monolithic columns in the analysis of silybin diastereoisomers

    Article • Journal of Separation Science, June 2011, Wiley

    Professor Vladimir Kren

  59. Enzymatic characterization and molecular modeling of an evolutionarily interesting fungal β‐N‐acetylhexosaminidase

    Article • FEBS Journal, June 2011, Wiley

    Professor Vladimir Kren

  60. Evidence for differences in regioselective and stereoselective glucuronidation of silybin diastereomers from milk thistle (Silybum marianum) by human UDP-glucuronosyltransferases

    Article • Xenobiotica, April 2011, Taylor & Francis

    Professor Vladimir Kren

  61. Dimerisation Process of Silybin-Type Flavonolignans: Insights from Theory

    Article • ChemPhysChem, April 2011, Wiley

    Professor Vladimir Kren

  62. Glycosidases in Carbohydrate Synthesis: When Organic Chemistry Falls Short

    Article • CHIMIA International Journal for Chemistry, February 2011, Swiss Chemical Society

    Professor Vladimir Kren

  63. Dendri-RAFTs: a second generation of cyclopeptide-based glycoclusters

    Article • Organic & Biomolecular Chemistry, January 2011, Royal Society of Chemistry

    Professor Vladimir Kren

  64. Dehydrosilybin attenuates the production of ROS in rat cardiomyocyte mitochondria with an uncoupler-like mechanism

    Article • Journal of Bioenergetics and Biomembranes, December 2010, Springer Science + Business Media

    Professor Vladimir Kren

  65. Analysis of anthocyanin pigments in Lonicera (Caerulea) extracts using chromatographic fractionation followed by microcolumn liquid chromatography-mass spectrometry

    Article • Journal of Chromatography A, December 2010, Elsevier

    Professor Vladimir Kren

  66. β-N-Acetylhexosaminidase: What's in a name…?

    Article • Biotechnology Advances, November 2010, Elsevier

    Professor Vladimir Kren

  67. Large-scale separation of silybin diastereoisomers using lipases

    Article • Process Biochemistry, October 2010, Elsevier

    Professor Vladimir Kren

  68. Genome mining for the discovery of new nitrilases in filamentous fungi

    Article • Biotechnology Letters, September 2010, Springer Science + Business Media

    Professor Vladimir Kren

  69. Azido leaving group in enzymatic synthesis-small and efficient

    Article • July 2010, Royal Society of Chemistry

    Professor Vladimir Kren

  70. Synthesis and biological activity of glycosyl-1H-1,2,3-triazoles

    Article • Bioorganic & Medicinal Chemistry Letters, July 2010, Elsevier

    Professor Vladimir Kren

  71. Cardioprotective activity of dehydrosilybin is linked to its uncoupler-like behavior

    Article • Biochimica et Biophysica Acta (BBA) - Bioenergetics, July 2010, Elsevier

    Professor Vladimir Kren

  72. Effect of flavonolignans derived from silybin on mitochondrial production of reactive oxygen species

    Article • Biochimica et Biophysica Acta (BBA) - Bioenergetics, July 2010, Elsevier

    Professor Vladimir Kren

  73. ChemInform Abstract: Enzymatic Glycosylation of Branched Symmetrical Non-Carbohydrate Polyols.

    Article • ChemInform, June 2010, Wiley

    Professor Vladimir Kren

  74. ChemInform Abstract: Enzymatic Synthesis of p-Nitrophenyl β-Chitobioside.

    Article • ChemInform, June 2010, Wiley

    Professor Vladimir Kren

  75. ChemInform Abstract: Enzymatic Glycosylation Using 6-O-Acylated Sugar Donors and Acceptors: β-N-Acetylhexosaminidase-Catalyzed Synthesis of 6-O,N,N′-Triacetylchitobiose (III) and 6′-O,N,N′-Triacetylchitobiose (VI).

    Article • ChemInform, May 2010, Wiley

    Professor Vladimir Kren

  76. ChemInform Abstract: Selective Biotransformation of Substituted Alicyclic Nitriles by Rhodococcus equi A4.

    Article • ChemInform, May 2010, Wiley

    Professor Vladimir Kren

  77. Biotransformations with nitrilases

    Article • Current Opinion in Chemical Biology, April 2010, Elsevier

    Professor Vladimir Kren

  78. Antioxidant and antiviral activities of silybin fatty acid conjugates

    Article • European Journal of Medicinal Chemistry, March 2010, Elsevier

    Professor Vladimir Kren

  79. ChemInform Abstract: Glycosidases in Synthesis

    Article • ChemInform, February 2010, Wiley

    Professor Vladimir Kren

  80. Enzymatic Processing of Bioactive Glycosides from Natural Sources

    Article • January 2010, Springer Science + Business Media

    Professor Vladimir Kren

  81. Condensation reactions catalyzed by α-N-acetylgalactosaminidase fromAspergillus nigeryielding α-N-acetylgalactosaminides

    Article • Biocatalysis and Biotransformation, January 2010, Taylor & Francis

    Professor Vladimir Kren

  82. Silybin Derivatives Modulate Thyroid Hormone-Mediated UcP2 Expression in Neonatal Rat Cardiomyocytes

    Article • Biophysical Journal, January 2010, Elsevier

    Professor Vladimir Kren

  83. Chemoenzymatic preparative separation of silybins A and B

    Article • Journal of Molecular Catalysis B Enzymatic, December 2009, Elsevier

    Professor Vladimir Kren

  84. Silybin (Silibinin) Structure and Chirality

    Article • Chromatographia, November 2009, Springer Science + Business Media

    Professor Vladimir Kren

  85. Fungal nitrilases as biocatalysts: Recent developments

    Article • Biotechnology Advances, November 2009, Elsevier

    Professor Vladimir Kren, Professor Maria Cantarella

  86. Glycosidases: a key to tailored carbohydrates

    Article • Trends in Biotechnology, April 2009, Elsevier

    Professor Vladimir Kren

  87. Silibinin chirality

    Article • Journal of Photochemistry and Photobiology A Chemistry, April 2009, Elsevier

    Professor Vladimir Kren

  88. Molecular mechanisms of silybin and 2,3-dehydrosilybin antiradical activity—role of individual hydroxyl groups

    Article • Free Radical Biology and Medicine, March 2009, Elsevier

    Professor Vladimir Kren

  89. α-Galactosidases and their applications in biotransformations

    Article • Biocatalysis and Biotransformation, January 2009, Taylor & Francis

    Professor Vladimir Kren

  90. Enzymatic preparation of acylated derivatives of silybin in organic and ionic liquid media and evaluation of their antitumor proliferative activity

    Article • Biocatalysis and Biotransformation, January 2009, Taylor & Francis

    Professor Vladimir Kren

  91. Biodegradation potential of the genus Rhodococcus

    Article • Environment International, January 2009, Elsevier

    Professor Vladimir Kren

  92. Chemo-enzymatic synthesis of poly-N-acetyllactosamine (poly-LacNAc) structures and their characterization for CGL2-galectin-mediated binding of ECM glycoproteins to biomaterial surfaces

    Article • Glycoconjugate Journal, August 2008, Springer Science + Business Media

    Professor Vladimir Kren, Professor Warren Wakarchuk

  93. Maca (Lepidium meyenii) and yacon (Smallanthus sonchifolius) in combination with silymarin as food supplements: In vivo safety assessment

    Article • Food and Chemical Toxicology, March 2008, Elsevier

    Professor Vladimir Kren

  94. Selection and screening for enzymes of nitrile metabolism

    Article • Journal of Biotechnology, February 2008, Elsevier

    Professor Vladimir Kren

  95. Laccase-mediated dimerization of the flavonolignan silybin

    Article • Journal of Molecular Catalysis B Enzymatic, February 2008, Elsevier

    Professor Vladimir Kren

  96. Biotransformation of nitriles to amides using soluble and immobilized nitrile hydratase from Rhodococcus erythropolis A4

    Article • Journal of Molecular Catalysis B Enzymatic, February 2008, Elsevier

    Professor Vladimir Kren, Professor Lutz Fischer

  97. Mechanism of the Antioxidant Action of Silybin and 2,3-Dehydrosilybin Flavonolignans: A Joint Experimental and Theoretical Study

    Article • The Journal of Physical Chemistry A, January 2008, American Chemical Society (ACS)

    Professor Vladimir Kren

  98. Glycoside vs. Aglycon: The Role of Glycosidic Residue in Biological Activity

    Article • January 2008, Springer Science + Business Media

    Professor Vladimir Kren

  99. Studies on oxidation of ergot alkaloids: oxidation and desaturation of dihydrolysergol—stereochemical requirements

    Article • Tetrahedron, October 2007, Elsevier

    Professor Vladimir Kren

  100. Structure, Function and Dynamics of fungal β-N-Hexosaminidase

    Article • September 2007, Elsevier

    Professor Vladimir Kren

  101. Structural modeling of alpha-galactosidase and alpha-galactosaminidase from Aspergillus Niger

    Article • September 2007, Elsevier

    Professor Vladimir Kren

  102. New aldoxime-dehydrating enzymes from filamentous fungi

    Article • Journal of Biotechnology, September 2007, Elsevier

    Professor Vladimir Kren

  103. Glycosyl Azides – An Alternative Way to Disaccharides

    Article • Advanced Synthesis & Catalysis, June 2007, Wiley

    Professor Vladimir Kren

  104. Structure of the dimeric N-glycosylated form of fungal β-N-acetylhexosaminidase revealed by computer modeling, vibrational spectroscopy, and biochemical studies

    Article • BMC Structural Biology, May 2007, Springer Science + Business Media

    Professor Vladimir Kren

  105. Biotransformation of heterocyclic dinitriles by Rhodococcus erythropolis and fungal nitrilases

    Article • Biotechnology Letters, May 2007, Springer Science + Business Media

    Professor Vladimir Kren

  106. Large Propeptides of Fungal β-N-Acetylhexosaminidases Are Novel Enzyme Regulators That Must Be Intracellularly Processed to Control Activity, Dimerization, and Secretion into the Extracellular Environment

    Article • Biochemistry, February 2007, American Chemical Society (ACS)

    Professor Vladimir Kren

  107. Silybin and Silymarin - New and Emerging Applications in Medicine

    Article • Current Medicinal Chemistry, February 2007, Bentham Science Publishers

    Professor Vladimir Kren

  108. Induction and characterization of an unusual α-d-galactosidase from Talaromyces flavus

    Article • Journal of Biotechnology, January 2007, Elsevier

    Professor Vladimir Kren

  109. Extension of the Nef reaction to C-glycosylnitromethanes

    Article • Carbohydrate Research, September 2006, Elsevier

    Professor Vladimir Kren

  110. Cyanodeoxy-Glycosyl Derivatives as Substrates for Enzymatic Reactions

    Article • European Journal of Organic Chemistry, September 2006, Wiley

    Professor Vladimir Kren

  111. Preparative production and separation of 2-acetamido-2-deoxymannopyranoside-containing saccharides using borate-saturated polyolic exclusion gels

    Article • Journal of Chromatography A, September 2006, Elsevier

    Professor Vladimir Kren

  112. New derivatives of silybin and 2,3-dehydrosilybin and their cytotoxic and P-glycoprotein modulatory activity

    Article • Bioorganic & Medicinal Chemistry, June 2006, Elsevier

    Professor Vladimir Kren

  113. Unique transglycosylation potential of extracellular α-d-galactosidase from Talaromyces flavus

    Article • Journal of Molecular Catalysis B Enzymatic, May 2006, Elsevier

    Professor Vladimir Kren

  114. β-1,4-Galactosyltransferase-catalyzed glycosylation of sugar derivatives: Modulation of the enzyme activity by α-lactalbumin, immobilization and solvent tolerance

    Article • Journal of Molecular Catalysis B Enzymatic, May 2006, Elsevier

    Professor Vladimir Kren

  115. Cyanodeoxy‐Glycosyl Derivatives as Substrates for Enzymatic Reactions

    Article • European Journal of Organic Chemistry, March 2006, Wiley

    Professor Vladimir Kren

  116. Immobilization of fungal nitrilase and bacterial amidase – two enzymes working in accord

    Article • Biocatalysis and Biotransformation, January 2006, Taylor & Francis

    Professor Vladimir Kren

  117. Glycosyl azide—a novel substrate for enzymatic transglycosylations

    Article • Tetrahedron Letters, December 2005, Elsevier

    Professor Vladimir Kren

  118. Effects of silymarin flavonolignans and synthetic silybin derivatives on estrogen and aryl hydrocarbon receptor activation

    Article • Toxicology, November 2005, Elsevier

    Professor Vladimir Kren

  119. Silybin and silymarin - new effects and applications

    Article • Biomedical Papers, July 2005, Palacky University Olomouc

    Professor Vladimir Kren

  120. The efficacy of glucosamine and chondroitin sulfate in the treatment of osteoarthritis: are these saccharides drugs or nutraceuticals?

    Article • Biomedical Papers, July 2005, Palacky University Olomouc

    Professor Vladimir Kren

  121. Biocatalyzed Generation of Molecular Diversity: Selective Modification of the Saponin Asiaticoside

    Article • Advanced Synthesis & Catalysis, June 2005, Wiley

    Professor Vladimir Kren

  122. Combined Application of Galactose Oxidase and β-N-Acetylhexosaminidase in the Synthesis of Complex ImmunoactiveN-Acetyl-D-galactosaminides

    Article • Advanced Synthesis & Catalysis, June 2005, Wiley

    Professor Vladimir Kren

  123. A chemoenzymatic route to mannosamine derivatives bearing different N-acyl groups

    Article • Journal of Biotechnology, January 2005, Elsevier

    Professor Vladimir Kren

  124. Screening and characterization of β-N-acetylhexosaminidases for the synthesis of nucleotide-activated disaccharides

    Article • Enzyme and Microbial Technology, April 2004, Elsevier

    Professor Vladimir Kren

  125. Synthesis of 4-Nitrophenyl 2-Acetamido-2-deoxy-β-D-mannopyranoside and 4-Nitrophenyl 2-Acetamido-2-deoxy-α-D-mannopyranoside.

    Article • ChemInform, August 2003, Wiley

    Professor Vladimir Kren

  126. Enzymatic Discrimination of 2-Acetamido-2-deoxy-D-mannopyranose-Containing Disaccharides Using β-N-Acetylhexosaminidases

    Article • Advanced Synthesis & Catalysis, June 2003, Wiley

    Professor Vladimir Kren

  127. Chemical Biology and Biomedicine of Glycosylated Natural Compounds

    Article • ChemInform, March 2003, Wiley

    Professor Vladimir Kren

  128. Synthesis of 4-Nitrophenyl 2-Acetamido-2-deoxy-β-D-mannopyranoside and 4-Nitrophenyl 2-Acetamido-2-deoxy-α-D-mannopyranoside

    Article • Collection of Czechoslovak Chemical Communications, January 2003, Institute of Organic Chemistry & Biochemistry

    Professor Vladimir Kren

  129. Selective biotransformation of substituted alicyclic nitriles by Rhodococcus equi A4

    Article • Canadian Journal of Chemistry, June 2002, Canadian Science Publishing

    Professor Vladimir Kren

  130. p-NITROPHENYL 2-AZIDO-2-DEOXY-D-HEXOPYRANOSIDES AS DONORS FOR ENZYMIC GLYCOSYLATION

    Article • April 2002, Wiley

    Professor Vladimir Kren

  131. Nitrile- and Amide-converting Microbial Enzymes: Stereo-, Regio- and Chemoselectivity

    Article • Biocatalysis and Biotransformation, January 2002, Taylor & Francis

    Professor Vladimir Kren

  132. Exploitation of a library of ?-galactosidases for the synthesis of building blocks for glycopolymers

    Article • Biotechnology and Bioengineering, December 2001, Wiley

    Professor Vladimir Kren

  133. Glycosides in Medicine: “The Role of Glycosidic Residue in Biological Activity”

    Article • Current Medicinal Chemistry, September 2001, Bentham Science Publishers

    Professor Vladimir Kren

  134. Chemical Biology and Biomedicine of Glycosylated Natural Compounds

    Article • January 2001, Springer Science + Business Media

    Professor Vladimir Kren

  135. Semisynthetic Dimers of Antiparkinsonic Ergot Alkaloids

    Article • Heterocycles, January 2001, Japan Institute of Heterocyclic Chemistry

    Professor Vladimir Kren

  136. Enzymatic Glycosylation of Lincomycin

    Article • Bioscience Biotechnology and Biochemistry, January 2001, Oxford University Press (OUP)

    Professor Vladimir Kren

  137. Silymarin: What is in the name …? An appeal for a change of editorial policy

    Article • Hepatology, August 2000, Wolters Kluwer Health

    Professor Vladimir Kren

  138. ChemInform Abstract: Enzymatic Preparation of Lysergol β‐D‐Glucuronide.

    Article • ChemInform, April 2000, Wiley

    Professor Vladimir Kren

  139. ChemInform Abstract: One‐pot Enzymatic Synthesis of Sialyl T‐Epitope

    Article • ChemInform, April 2000, Wiley

    Professor Vladimir Kren

  140. Formation ofmyo-inositol phosphates byAspergillus niger 3-phytase

    Article • Folia Microbiologica, April 2000, Springer Science + Business Media

    Professor Vladimir Kren

  141. ChemInform Abstract: Pyridoxine as a Substrate for Screening Synthetic Potential of Glycosidases.

    Article • ChemInform, January 2000, Wiley

    Professor Vladimir Kren

  142. Enzymatic Preparation of Lysergol β-D-Glucuronide

    Article • Collection of Czechoslovak Chemical Communications, January 2000, Institute of Organic Chemistry & Biochemistry

    Professor Vladimir Kren

  143. Enzymatic synthesis of iso-globotriose from partially protected lactose

    Article • Tetrahedron Letters, December 1999, Elsevier

    Professor Vladimir Kren

  144. Agroclavine Glycosylation

    Article • Collection of Czechoslovak Chemical Communications, January 1999, Institute of Organic Chemistry & Biochemistry

    Professor Vladimir Kren

  145. One-Pot Enzymatic Synthesis of Sialyl T-Epitope

    Article • January 1999, Springer Science + Business Media

    Professor Vladimir Kren

  146. Pyridoxine as a Substrate for Screening Synthetic Potential of Glycosidases

    Article • Collection of Czechoslovak Chemical Communications, January 1999, Institute of Organic Chemistry & Biochemistry

    Professor Vladimir Kren

  147. Enzymatic Synthesis ofP-Nitrophenyl β-Chitobioside

    Article • Journal of Carbohydrate Chemistry, January 1999, Taylor & Francis

    Professor Vladimir Kren

  148. Unusual nonreducing sugar GlcNAcβ(1↔1)Manβ formation by β-N-acetylhexosaminidase from Aspergillus oryzae

    Article • Tetrahedron Letters, December 1998, Elsevier

    Professor Vladimir Kren

  149. Enzymatic Glycosylation of Branched Symmetrical Non-Carbohydrate Polyols

    Article • Journal of Carbohydrate Chemistry, November 1998, Taylor & Francis

    Professor Vladimir Kren

  150. Glycosidase-Catalysed Synthesis of Ergot Alkaloid α-Glycosides

    Article • Journal of Carbohydrate Chemistry, August 1998, Taylor & Francis

    Professor Vladimir Kren

  151. Effect ofp-Substitution of Aryl α-D-Mannosides on Inhibiting Mannose-Sensitive Adhesion ofEscherichia coli – Syntheses and Testing

    Article • European Journal of Organic Chemistry, August 1998, Wiley

    Professor Vladimir Kren

  152. Glucosylation of silybin by plant cell cultures of Papaver somniferum var. setigerum

    Article • Phytochemistry, January 1998, Elsevier

    Professor Vladimir Kren

  153. Transglycosylation of Thiamin by Fungal β-N-Acetylhexosaminidases

    Article • Bioscience Biotechnology and Biochemistry, January 1998, Taylor & Francis

    Professor Vladimir Kren

  154. β-Glucosylation of chitooligomers by galactosyltransferase

    Article • Carbohydrate Research, December 1997, Elsevier

    Professor Vladimir Kren

  155. Biotransformation of Ergot Alkaloids by Haloperoxidase fromStreptomyces aureofaciens: Stereoselective Acetoxylation and Propionoxylation

    Article • European Journal of Organic Chemistry, November 1997, Wiley

    Professor Vladimir Kren

  156. N -Deoxyribosides of ergot alkaloids: Synthesis and biological activity

    Article • Tetrahedron, March 1997, Elsevier

    Professor Vladimir Kren

  157. Enzymatic and chemical glycosylations of ergot alkaloids and biological aspects of new compounds

    Article • January 1997, Springer Science + Business Media

    Professor Vladimir Kren

  158. Synthesis and Antiviral Evaluation of N-β-D-Ribosides of Ergot Alkaloids

    Article • Nucleosides and Nucleotides, January 1997, Taylor & Francis

    Professor Vladimir Kren

  159. Glycosylation of silybin

    Article • Journal of the Chemical Society Perkin Transactions 1, January 1997, Royal Society of Chemistry

    Professor Vladimir Kren

  160. Sterols and fatty acids in Peziza muralis

    Article • Canadian Journal of Microbiology, November 1996, Canadian Science Publishing

    Professor Vladimir Kren

  161. Ergot alkaloid glycosides with immunomodulatory activities

    Article • Bioorganic & Medicinal Chemistry, June 1996, Elsevier

    Professor Vladimir Kren

  162. Biotransformations of γ-methyl-β-ketosulfones: stereoselectivity of 3-methyl-1-(phenylsulfonyl)hexan-2-one reductions by various yeasts

    Article • Tetrahedron Asymmetry, May 1996, Elsevier

    Professor Vladimir Kren

  163. N-1-Trimethylsilyl Derivatives of Ergot Alkaloids

    Article • Collection of Czechoslovak Chemical Communications, January 1996, Institute of Organic Chemistry & Biochemistry

    Professor Vladimir Kren

  164. Biotransformation of Chanoclavine by Euphorbia calyptrata Cell Culture

    Article • Journal of Natural Products, January 1996, American Chemical Society (ACS)

    Professor Vladimir Kren

  165. Dimerization of Lysergene by Euphorbia calyptrata Cell Cultures

    Article • Journal of Natural Products, January 1996, American Chemical Society (ACS)

    Professor Vladimir Kren

  166. Biotransformations of aromatic diniitriles using Rhodococcus equi cells

    Article • Biotechnology Letters, November 1995, Springer Science + Business Media

    Professor Vladimir Kren

  167. A Multienzyme System for a One-Pot Synthesis of Sialyl T-Antigen

    Article • Angewandte Chemie International Edition, May 1995, Wiley

    Professor Vladimir Kren

  168. Ein Multienzymsystem zur Eintopfsynthese des Sialyl‐T‐Antigens

    Article • Angewandte Chemie, April 1995, Wiley

    Professor Vladimir Kren

  169. Assignment of Nitrogen Stereochemistry of Agroclavine and Elymoclavine 6-N-Oxides

    Article • Collection of Czechoslovak Chemical Communications, January 1995, Institute of Organic Chemistry & Biochemistry

    Professor Vladimir Kren

  170. Synthesis of α-mannosylated ergot alkaloids employing α-mannosidase

    Article • Biotechnology Letters, July 1994, Springer Science + Business Media

    Professor Vladimir Kren

  171. Fast atom bombardment mass spectrometry of elymoclavine glycosides

    Article • Biological Mass Spectrometry, February 1994, Wiley

    Professor Vladimir Kren

  172. Claviceps purpurea (Ergot): Culture and Bioproduction of Ergot Alkaloids

    Article • January 1994, Springer Science + Business Media

    Professor Vladimir Kren

  173. Determination of Lovastatin (mevinolin) and mevinolinic acid in fermentation liquids

    Article • Journal of Chromatography A, February 1993, Elsevier

    Professor Vladimir Kren

  174. Fructosylation of ergot alkaloids by yeast invertase

    Article • Biotechnology Letters, September 1992, Springer Science + Business Media

    Professor Vladimir Kren

  175. Galactose oxidase production by immobilized cells ofDactylium dendroides

    Article • Biotechnology Techniques, July 1992, Springer Science + Business Media

    Professor Vladimir Kren

  176. Bioconversions of ergot alkaloids

    Article • January 1991, Springer Science + Business Media

    Professor Vladimir Kren

  177. Glycosylation of ergot alkaloids by free and immobilized cells of Claviceps purpurea

    Article • Applied Microbiology and Biotechnology, March 1990, Springer Science + Business Media

    Professor Vladimir Kren

  178. Effect of triadimefon on lipids, sterols, and membrane fluidity in submerged cultures of claviceps purpurea

    Article • Pesticide Biochemistry and Physiology, July 1989, Elsevier

    Professor Vladimir Kren

  179. Physiological control and process kinetics of clavine alkaloid production byClaviceps purpurea

    Article • Applied Microbiology and Biotechnology, September 1988, Springer Science + Business Media

    Professor Vladimir Kren

  180. Physiological control and process kinetics of clavine alkaloid production byClaviceps purpurea

    Article • Applied Microbiology and Biotechnology, September 1988, Springer Science + Business Media

    Professor Vladimir Kren

  181. Effect of clomiphene on fatty acids, sterols and membrane fluidity in clavine producing claviceps purpurea strains

    Article • Biochemical and Biophysical Research Communications, April 1988, Elsevier

    Professor Vladimir Kren

  182. Physiological activity of immobilized cells of Claviceps fusiformis during long-term semicontinuous cultivation

    Article • Applied Microbiology and Biotechnology, June 1987, Springer Science + Business Media

    Professor Vladimir Kren

  183. Effect of cultivation temperature, clomiphene, and nystatin on the oxidation and cyclization of chanoclavine in submerged cultures of the mutant strainclaviceps purpurea 59

    Article • Current Microbiology, March 1987, Springer Science + Business Media

    Professor Vladimir Kren

  184. High-production mutant Claviceps purpurea 59 accumulating secoclavines

    Article • FEMS Microbiology Letters, October 1986, Oxford University Press (OUP)

    Professor Vladimir Kren

  185. Identification of fatty acids in submerged cultures of Claviceps species

    Article • FEMS Microbiology Letters, December 1985, Oxford University Press (OUP)

    Professor Vladimir Kren

  186. Occurrence of ricinoleic acid in submerged cultures of variousClaviceps sp.

    Article • Cellular and Molecular Life Sciences, November 1985, Springer Science + Business Media

    Professor Vladimir Kren

  187. Continuous cultivation ofCandida utilis yeasts growing on calcium bisulphite waste liquors

    Article • Applied Microbiology and Biotechnology, September 1985, Springer Science + Business Media

    Professor Vladimir Kren

  188. Glycosidases in synthesis

    Article • Royal Society of Chemistry

    Professor Vladimir Kren