All Stories

  1. Water modulates the chemiexcitation efficiency of the peroxyoxalate reaction: Enhancement at low and decrease at higher concentrations

    Article • Journal of Photochemistry and Photobiology A Chemistry, November 2024, Elsevier

    Professor Wilhelm Josef Baader

  2. Antiradical capacity assay for hydrophobic substances using hemin‐catalyzed luminol chemiluminescence in cationic micelles

    Article • Photochemistry and Photobiology, February 2024, Wiley

    Professor Wilhelm Josef Baader

  3. The Molecular Basis of Organic Chemiluminescence

    Article • Biosensors, April 2023, MDPI AG

    Professor Wilhelm Josef Baader

  4. Solvent polarity influence on chemiexcitation efficiency of inter and intramolecular electron-transfer catalyzed chemiluminescence

    Article • Journal of Photochemistry and Photobiology A Chemistry, December 2022, Elsevier

    Professor Wilhelm Josef Baader

  5. An Update on General Chemiexcitation Mechanisms in Cyclic Organic Peroxide Decomposition and the Chemiluminescent Peroxyoxalate Reaction in Aqueous Media †

    Article • Photochemistry and Photobiology, August 2022, Wiley

    Professor Wilhelm Josef Baader

  6. Cyclic Peroxidic Carbon Dioxide Dimer Fuels Peroxyoxalate Chemiluminescence

    Article • The Journal of Organic Chemistry, August 2021, American Chemical Society (ACS)

    Professor Wilhelm Josef Baader

  7. Water Effect on Peroxyoxalate Kinetics and Mechanism for Oxalic Esters with Distinct Reactivities

    Article • Photochemistry and Photobiology, May 2021, Wiley

    Professor Wilhelm Josef Baader

  8. Mechanistic Study of the Peroxyoxalate System in Completely Aqueous Carbonate Buffer

    Article • Photochemistry and Photobiology, November 2020, Wiley

    Professor Wilhelm Josef Baader

  9. Mechanistic Studies on the Salicylate‐Catalyzed Peroxyoxalate Chemiluminescence in Aqueous Medium

    Article • Photochemistry and Photobiology, December 2019, Wiley

    Professor Wilhelm Josef Baader

  10. Kinetic studies on 2,6-lutidine catalyzed peroxyoxalate chemiluminescence in organic and aqueous medium: Evidence for general base catalysis

    Article • Journal of Photochemistry and Photobiology A Chemistry, September 2019, Elsevier

    Professor Wilhelm Josef Baader

  11. Effect of ionic liquids on the kinetics and quantum efficiency of peroxyoxalate chemiluminescence in aqueous media

    Article • Journal of Photochemistry and Photobiology A Chemistry, December 2018, Elsevier

    Professor Wilhelm Josef Baader

  12. Dissolution of Asphaltene in Binary Mixtures of Organic Solvents and Model Maltenes: Unambiguous Evidence for Asphaltene Preferential Solvation and Relevance to Assessing the Efficiency of Additives for Asphaltene Stabilization

    Article • Energy & Fuels, November 2018, American Chemical Society (ACS)

    Professor Wilhelm Josef Baader

  13. Revisiting the Mechanism of Hydrolysis of Betanin

    Article • Photochemistry and Photobiology, March 2018, Wiley

    Professor Wilhelm Josef Baader, Prof. Dr. Thiago Carita Correra

  14. Chemi- and Bioluminescence of Cyclic Peroxides

    Article • Chemical Reviews, March 2018, American Chemical Society (ACS)

    Professor Wilhelm Josef Baader

  15. Salicylate catalyzed peroxyoxalate chemilumnescence

    Article • Photochemistry and Photobiology, July 2017, Wiley

    Professor Wilhelm Josef Baader

  16. Four-membered cyclic peroxides: Carriers of chemical energy

    Article • Journal of Physical Organic Chemistry, June 2017, Wiley

    Professor Wilhelm Josef Baader, Pooria Farahani

  17. Unimolecular Decomposition Mechanism of 1,2-Dioxetanedione: Concerted or Biradical? That is the Question!

    Article • The Journal of Physical Chemistry A, February 2017, American Chemical Society (ACS)

    Professor Wilhelm Josef Baader

  18. A combined theoretical and experimental study on the mechanism of spiro-adamantyl-1,2-dioxetanone decomposition

    Article • RSC Advances, January 2017, Royal Society of Chemistry

    Professor Wilhelm Josef Baader

  19. Mechanism of activated chemiluminescence of cyclic peroxides: 1,2-dioxetanes and 1,2-dioxetanones

    Article • Physical Chemistry Chemical Physics, January 2017, Royal Society of Chemistry

    Professor Wilhelm Josef Baader

  20. General Acid and Base Catalysis by Phosphate in Peroxyoxalate Chemiluminescence

    Article • ChemistrySelect, July 2016, Wiley

    Professor Wilhelm Josef Baader

  21. Chemiexcitation Efficiency of Intermolecular Electron-transfer Catalyzed Peroxide Decomposition Shows Low Sensitivity to Solvent-cavity Effects

    Article • Photochemistry and Photobiology, June 2016, Wiley

    Professor Wilhelm Josef Baader

  22. Peroxyoxalate chemiluminescence efficiency in polar medium is moderately enhanced by solvent viscosity

    Article • Journal of Photochemistry and Photobiology A Chemistry, May 2016, Elsevier

    Professor Wilhelm Josef Baader

  23. Efficiency of intermolecular chemiluminescence systems lacks significant solvent cavity effect in binary toluene/diphenylmethane mixtures

    Article • Journal of Photochemistry and Photobiology A Chemistry, November 2015, Elsevier

    Professor Wilhelm Josef Baader

  24. Chemiluminescence Efficiency of Catalyzed 1,2-Dioxetanone Decomposition Determined by Steric Effects

    Article • The Journal of Organic Chemistry, April 2015, American Chemical Society (ACS)

    Professor Erick L Bastos, Professor Wilhelm Josef Baader

  25. Solvent-cage effect on chemiluminescence intensity

    Article • Photochemical & Photobiological Sciences, January 2015, Springer Science + Business Media

    Professor Wilhelm Josef Baader

  26. "Photo"chemistry Without Light?

    Article • Revista Virtual de Química, January 2015, Sociedade Brasileira de Quimica (SBQ)

    Professor Wilhelm Josef Baader, Dr. Cassius V Stevani

  27. "Photo" Chemistry Without Light?

    Article • Journal of the Brazilian Chemical Society, January 2015, Sociedade Brasileira de Quimica (SBQ)

    Dr. Cassius V Stevani, Professor Wilhelm Josef Baader

  28. Effect of extraction solvent on antiradical activity of the obtained propolis extracts

    Article • Journal of Apicultural Research, January 2014, Taylor & Francis

    Professor Wilhelm Josef Baader

  29. Evaluation of antiradical assays used in determining the antioxidant capacity of pure compounds and plant extracts

    Article • Química Nova, January 2014, GN1 Genesis Network

    Professor Wilhelm Josef Baader

  30. Efficiency of Electron Transfer Initiated Chemiluminescence

    Article • Photochemistry and Photobiology, July 2013, Wiley

    Professor Wilhelm Josef Baader

  31. Solvent Cage Effects: Basis of a General Mechanism for Efficient Chemiluminescence

    Article • The Journal of Organic Chemistry, May 2013, American Chemical Society (ACS)

    Professor Erick L Bastos, Professor Wilhelm Josef Baader

  32. Revision of Singlet Quantum Yields in the Catalyzed Decomposition of Cyclic Peroxides

    Article • The Journal of Organic Chemistry, December 2012, American Chemical Society (ACS)

    Professor Erick L Bastos, Professor Wilhelm Josef Baader

  33. The chemiluminescent peroxyoxalate system: state of the art almost 50 years from its discovery

    Article • ARKIVOC, May 2012, ARKAT USA, Inc.

    Professor Wilhelm Josef Baader

  34. A comparative study of the purification of betanin

    Article • Food Chemistry, March 2012, Elsevier

    Professor Erick L Bastos, Professor Wilhelm Josef Baader

  35. Synthesis of unstable cyclic peroxides for chemiluminescence studies

    Article • Journal of the Brazilian Chemical Society, January 2012, FapUNIFESP (SciELO)

    Professor Erick L Bastos, Professor Wilhelm Josef Baader

  36. Chemiluminescence as a PDT light source for microbial control

    Article • Journal of Photochemistry and Photobiology B Biology, May 2011, Elsevier

    Professor Wilhelm Josef Baader

  37. Fenchyl substituted 1,2-dioxetanes as an alternative to adamantyl derivatives for bioanalytical applications

    Article • Journal of Photochemistry and Photobiology A Chemistry, February 2011, Elsevier

    Professor Wilhelm Josef Baader

  38. Chemiluminescence-based uphill energy conversion

    Article • New Journal of Chemistry, January 2011, Royal Society of Chemistry

    Professor Erick L Bastos, Professor Wilhelm Josef Baader

  39. Luz: um raro produto de reação

    Article • Química Nova, January 2011, FapUNIFESP (SciELO)

    Professor Erick L Bastos, Professor Wilhelm Josef Baader

  40. Experimental Evidence of the Occurrence of Intramolecular Electron Transfer in Catalyzed 1,2-Dioxetane Decomposition

    Article • The Journal of Organic Chemistry, October 2010, American Chemical Society (ACS)

    Professor Wilhelm Josef Baader

  41. Four-Membered Ring Peroxide Heterocycles: Photochemistry Through the Backdoor

    Article • Bulletin des Sociétés Chimiques Belges, September 2010, Wiley

    Professor Wilhelm Josef Baader

  42. Synthesis of some fenchyl-substituted alkenes and enol-ethers containing 3-oxyphenyl substituents by the Barton-Kellogg reaction

    Article • Journal of the Brazilian Chemical Society, January 2010, FapUNIFESP (SciELO)

    Professor Erick L Bastos, Professor Wilhelm Josef Baader

  43. Direct Kinetic Observation of the Chemiexcitation Step in Peroxyoxalate Chemiluminescence

    Article • The Journal of Organic Chemistry, December 2009, American Chemical Society (ACS)

    Professor Erick L Bastos, Professor Wilhelm Josef Baader

  44. 1,3-Diene Probes for Detection of Triplet Carbonyls in Biological Systems

    Article • Chemical Research in Toxicology, August 2007, American Chemical Society (ACS)

    Professor Wilhelm Josef Baader, Dr. Cassius V Stevani

  45. Does the Photochemical Conversion of Colchicine into Lumicolchicines Involve Triplet Transients? A Solvent Dependence Study¶

    Article • Photochemistry and Photobiology, May 2007, American Society for Photobiology

    Professor Luiz Henrique Catalani, Professor Wilhelm Josef Baader

  46. Chemiluminescence of Organic Peroxides

    Article • ChemInform, January 2007, Wiley

    Professor Wilhelm Josef Baader, Dr. Cassius V Stevani

  47. Studies on PVP hydrogel‐supported luminol chemiluminescence: 2. Luminometer calibration and potential analytical applications

    Article • Luminescence, November 2006, Wiley

    Professor Luiz Henrique Catalani, Professor Erick L Bastos, Professor Wilhelm Josef Baader

  48. Studies on PVP hydrogel‐supported luminol chemiluminescence: 1. Kinetic and mechanistic aspects using multivariate factorial analysis

    Article • Luminescence, November 2006, Wiley

    Professor Luiz Henrique Catalani, Professor Erick L Bastos, Professor Wilhelm Josef Baader

  49. Comparison of Convenient Alternative Synthetic Approaches to 4-[(3- tert -Butyldimethylsilyloxy)phenyl]-4-methoxyspiro[1,2-dioxetane-3,2′-adamantane]

    Article • Synthesis, June 2006, Thieme Publishing Group

    Professor Erick L Bastos, Professor Wilhelm Josef Baader

  50. Microwave‐Assisted Protection of Phenols astert‐Butyldimethylsilyl (TBDMS) Ethers Under Solvent‐Free Conditions

    Article • Synthetic Communications, June 2005, Taylor & Francis

    Professor Erick L Bastos, Professor Wilhelm Josef Baader

  51. Evaluation of Antiradical Capacity by H 2 O 2 −Hemin-Induced Luminol Chemiluminescence

    Article • Journal of Agricultural and Food Chemistry, December 2003, American Chemical Society (ACS)

    Professor Erick L Bastos, Professor Wilhelm Josef Baader

  52. Preparation and Characterisation of 2,2,2-Triphenyl-2λ5-1,3,2-Dioxastibolane-4,5-Dione as Standard For an Attempt to Trap 1,2-Dioxetanedione, A Possible High-Energy Intermediate in Peroxyoxalate Chemiluminescence

    Article • Journal of Chemical Research, September 2002, SAGE Publications

    Professor Wilhelm Josef Baader, Dr. Cassius V Stevani

  53. Mechanism of 3,4-dihydroxybenzaldehyde electropolymerization at carbon paste electrodes: catalytic detection of NADH

    Article • Química Nova, September 2002, FapUNIFESP (SciELO)

    Professor Wilhelm Josef Baader

  54. Studies on the chemiexcitation step in peroxyoxalate chemiluminescence using steroid-substituted activators

    Article • Luminescence, January 2002, Wiley

    Professor Wilhelm Josef Baader, Dr. Cassius V Stevani

  55. Kinetic studies on the peroxyoxalate chemiluminescence reaction: determination of the cyclization rate constant

    Article • Luminescence, January 2002, Wiley

    Professor Wilhelm Josef Baader, Dr. Cassius V Stevani

  56. Quimiluminescência de peróxidos orgânicos: geração de estados eletronicamente excitados na decomposição de 1,2-dioxetanos

    Article • Química Nova, October 2001, FapUNIFESP (SciELO)

    Professor Wilhelm Josef Baader

  57. Novel photorearrangement of a 4-chloromethylazulene

    Article • Tetrahedron Letters, April 2001, Elsevier

    Professor Wilhelm Josef Baader

  58. Does the Photochemical Conversion of Colchicine into Lumicolchicines Involve Triplet Transients? A Solvent Dependence Study¶

    Article • Photochemistry and Photobiology, January 2001, Wiley

    Professor Luiz Henrique Catalani, Professor Wilhelm Josef Baader

  59. Studies on the Mechanism of the Excitation Step in Peroxyoxalate Chemiluminescence

    Article • European Journal of Organic Chemistry, December 2000, Wiley

    Professor Wilhelm Josef Baader, Dr. Cassius V Stevani

  60. Studies on the Intramolecular Electron Transfer Catalyzed Thermolysis of 1,2-Dioxetanes

    Article • Tetrahedron, July 2000, Elsevier

    Professor Luiz Henrique Catalani, Professor Wilhelm Josef Baader

  61. Facile chemiluminescent method for alkaline phosphatase determination

    Article • Analytica Chimica Acta, December 1999, Elsevier

    Professor Luiz Henrique Catalani, Professor Wilhelm Josef Baader

  62. O sistema quimiluminescente peróxi-oxalato

    Article • Química Nova, September 1999, FapUNIFESP (SciELO)

    Professor Wilhelm Josef Baader, Dr. Cassius V Stevani

  63. Fluoride-triggered decomposition of m-sililoxyphenyl -substituted dioxetanes by an intramolecular electron transfer (CIEEL) mechanism

    Article • Tetrahedron Letters, March 1999, Elsevier

    Professor Luiz Henrique Catalani, Professor Wilhelm Josef Baader

  64. Quimiluminescência orgânica: alguns experimentos de demonstração para a sala de aula

    Article • Química Nova, November 1998, FapUNIFESP (SciELO)

    Professor Erick L Bastos, Professor Wilhelm Josef Baader, Dr. Cassius V Stevani

  65. Kinetic studies on the chemiluminescent decomposition of an isolated intermediate in the peroxyoxalate reaction

    Article • Journal of Physical Organic Chemistry, August 1997, Wiley

    Professor Wilhelm Josef Baader, Dr. Cassius V Stevani

  66. Influence of methoxy substitution on flavonoid photophysics: a steady state and laser flash photolysis study

    Article • Journal of Photochemistry and Photobiology A Chemistry, November 1996, Elsevier

    Professor Wilhelm Josef Baader

  67. Peroxidase-catalysed chlorophyll destruction accompanied by the formation of electronically excited states: chlorophyll emission not due to energy transfer from excited substrate metabolites

    Article • Journal of Photochemistry and Photobiology A Chemistry, November 1996, Elsevier

    Professor Wilhelm Josef Baader

  68. Kinetic studies on the peroxyoxalate chemiluminescent reaction: imidazole as a nucleophilic catalyst

    Article • Journal of the Chemical Society Perkin Transactions 2, January 1996, Royal Society of Chemistry

    Professor Wilhelm Josef Baader, Dr. Cassius V Stevani

  69. Synthesis and characterisation of an intermediate in the peroxyoxalate chemiluminescence: 4-chlorophenyl O,O-hydrogen monoperoxyoxalate

    Article • Journal of the Chemical Society Perkin Transactions 2, January 1996, Royal Society of Chemistry

    Professor Wilhelm Josef Baader, Dr. Cassius V Stevani

  70. The suppression of granulocyte functions by lipophilic antioxidants

    Article • Biochemical Pharmacology, March 1988, Elsevier

    Professor Wilhelm Josef Baader

  71. Thromboxane synthase catalyses hydroxylations of prostaglandin H2 analogs in the presence of iodosylbenzene

    Article • European Journal of Biochemistry, December 1987, Wiley

    Professor Wilhelm Josef Baader

  72. Enzymatic generation of triplet acetone: A window to photobiochemistry without light

    Article • Biochemical Education, October 1986, Elsevier

    Professor Wilhelm Josef Baader

  73. Enols of aldehydes in the peroxidase/oxidase-promoted generation of excited triplet species

    Article • Biochimica et Biophysica Acta (BBA) - General Subjects, May 1986, Elsevier

    Professor Wilhelm Josef Baader

  74. ENERGY TRANSFER FROM CHEMIEXCITED ACETONE TO SUBSTANCES THAT DISPLAY ANOMALOUS FLUORESCENCE

    Article • Photochemistry and Photobiology, November 1985, Wiley

    Professor Luiz Henrique Catalani, Professor Wilhelm Josef Baader

  75. Effects of methylation on the thermal stability and chemiluminescence properties of 1,2-dioxetanes

    Article • Journal of the American Chemical Society, January 1985, American Chemical Society (ACS)

    Professor Wilhelm Josef Baader

  76. On the mechanism of peroxidase-catalyzed chemiluminescence from isobutyraldehyde

    Article • Biochemical and Biophysical Research Communications, July 1984, Elsevier

    Professor Wilhelm Josef Baader

  77. 1,2-Dioxetane: Synthesis, Characterization, Stability, and Chemiluminescence

    Article • Angewandte Chemie International Edition in English, February 1984, Wiley

    Professor Wilhelm Josef Baader

  78. 1,2-Dioxetan: Synthese, Charakterisierung, Stabilität und Chemilumineszenz

    Article • Angewandte Chemie, February 1984, Wiley

    Professor Wilhelm Josef Baader

  79. Das Experiment: Singulettsauerstoff - Chemische Erzeugung und Chemolumineszenz

    Article • Chemie in unserer Zeit, October 1982, Wiley

    Professor Wilhelm Josef Baader

  80. Chemiluminescence of Organic Peroxides

    Article • Wiley

    Professor Erick L Bastos, Dr. Cassius V Stevani, Professor Wilhelm Josef Baader