Pulse Radiolysis Laboratory
pulselab@orange.ichtj.waw.pl  
Head: Prof. Krzysztof Bobrowski 
Links About Members Lectures/posters Publications Grants/Awards Instruments

Lectures\Posters

2002
Anna Korzeniowska-Sobczuk, K. Bobrowski „Radioliza impulsowa wybranych aromatycznych kwasów karboksylowych zawierających grupe tioeterową” Szkoła Fizykochemii Organicznej-Nowe metody w spektroskopii molekularnej, Karpacz, 10 – 15 czerwca 2002

K. Bobrowski, P. Wisniowski, D. Pogocki, G. L. Hug, Ch. Schöneich "Mechanistic studies of the OH-induced oxidation of model organic sulfides” 20-th International Symposium on the Organic Chemistry of Sulfur, Flagstaff, Arizona, USA, 14 – 19 July 2002

K. Bobrowski, B. Marciniak, A. Korzeniowska-Sobczuk, P. Filipiak, G. Strzelczak, H. Kozubek, J. Mirkowski, P. Wiśniowski „Indukowane radiacyjnie i foto-chemicznie procesy rodnikowe w aromatycznych kwasach karboksylowych zawierających grupę tioeterową” XLV Zjazd Polskiego Towarzystwa Chemicznego, Kraków 9 – 13 września 2002

G. Strzelczak, A. Korzeniowska-Sobczuk, K. Bobrowski „Rodniki w aromatycznych kwasach karboksylowych z grupa tioeterową. Badania metodą EPR” XLV Zjazd Polskiego Towarzystwa Chemicznego, Kraków 9 – 13 września 2002
Under construction!!!
2001
K. Bobrowski „Neighbouring group participation during radiation-induced radical processes in thioethers (invited lecture), 22-nd Miller Conference on Radiation Chemistry, Windermere, England, 7-12 April 2001

G. Strzelczak, K. Bobrowski, J. Michalik, N. Varmenot, S. Remita, Z. Abedinzadeh „ESR study of polycrystalline N,S,-diacetyl-L-cysteine ethylester ” 22-nd Miller Conference on Radiation Chemistry, Windermere, England, 7-12 April 2001

N. Varmenot, S. Remita, Z. Abedinzadeh, P. Wiśniowski, G. Strzelczak, K. Bobrowski „Effect of the electron withdrawing power of the acetyl group on the oxidation processes of N,S,-diacetyl-L-cysteine ethylester by hydroxyl radical” 22-nd Miller Conference on Radiation Chemistry, Windermere, England, 7-12 April 2001

K. Bobrowski, P.Wiśniowski, D. Pogocki, G. L. Hug, Ch. Schöneich „Udział grupy karbonylowej w stabilizacji kationorodników centrowanych na siarce” XII Zjazd Polskiego Towarzystwa Badań Radiacyjnych, Kraków, 10-12 września 2001

Anna Korzeniowska-Sobczuk, G. L. Hug, K. Bobrowski „Reakcje rodnikowe z udziałem kationorodników centrowanych na siarce w aromatycznycjh kwasach karboksylowych” XII Zjazd Polskiego Towarzystwa Badań Radiacyjnych, Kraków, 10-12 września 2001

G. Kciuk, K. Bobrowski „Utlenianie pochodnych enekefalin” XII Zjazd Polskiego Towarzystwa Badań Radiacyjnych, Kraków, 10-12 września 2001
Under construction!!!
2000
Gordon L. Hug, Paweł B. Wiśniowski, "OH Radical Induced Oxidation of a-Methylalanine. Time-Resolved and Spin-Trapping ESR Study" The 6th International Conference on Pulse Investigations in Chemistry, Biology and Physics - PULS'2000. 9-15 September 2000, Łeba, Poland.

G. L. Hug, K. Bobrowski, H. Kozubek, B. Marciniak "Photooxidation of methionine-containing peptides by the 4-carboxybenzophenone triplet state in aqueous solution” 11th Inter-American Photochemical Society Winter Conference, Clearwater Beach, FL, USA, January 2- 6, 2000.

K. Bobrowski, J. Mirkowski, P. Wiśniowski „Wykorzystanie oscyloskopu LeCroy 9354AL. Do rejestracji kinetyk w wielokrotnych skalach czasowych w nanosekundowej radiolizie impulsowej” Seminarium FASTKIN, Poznań, 21-22 maja 2000.

N. Varmenot, S. Remita, Z. Abedinzadeh, P. Wiśniowski, G. Strzelczak, K. Bobrowski "Processus d’oxydation de la N,S-diacetyl-L-cysteinate d’ethyle par le radical hydroxyle: influence du groupement acetyle” JECR-2000 10emes Journees d’Etudes de la Chimie sous Rayonnement, Houffalize, Ardennes, Belgique, 20 au 25 mai 2000.

B. Marciniak, K. Bobrowski „Indukowane fotochemicznie i radiacyjnie procesy rodnikowe w organicznych związkach siarki (II) w fazie skondensowanej” Zjazd PTChem. i SITPChem., Łódź, 9-15 września 2000.

K. Bobrowski, "Oxidation processes in methionine-containing oligopeptides” (invited lecture), The 6-th International Conference on Pulse Investigations in Chemistry, Biology and Physics, PULS’2000”, Leba, 9-15 September 2000.

A. Korzeniowska-Sobczuk, G. L. Hug, I. Carmichael, K. Bobrowski "Spectral, kinetics, and the theoretical studies of radical cations derived from thioanisole and its carboxylic derivative” The 6-th International Conference on Pulse Investigations in Chemistry, Biology and Physics, PULS’2000”, Leba, 9-15 September 2000.

P. Wiśniowski, A. Korzeniowska-Sobczuk, K. Bobrowski, S. Naumov, L. Richter, O. Brede "Generation of aromatic thioether radical cations containing phenyl, vinyl, allyl, and methyl substituents in organic solvents” The 6-th International Conference on Pulse Investigations in Chemistry, Biology and Physics, PULS’2000”, Leba, 9-15 September 2000.

J. Mirkowski, P. Wiśniowski, K. Bobrowski "The nanosecond pulse radiolysis system dedicated to new LAE 10 accelerator (INCT-Warsaw)” The 6-th International Conference on Pulse Investigations in Chemistry, Biology and Physics, PULS’2000”, Leba, 9-15 September 2000.

G. Strzelczak, C. Houée-Levin, J. Berges, K. Bobrowski "EPR Spectroscopy of ?-irradiated polycrystalline asparagine and asparagine-containing peptides” The 6-th International Conference on Pulse Investigations in Chemistry, Biology and Physics, PULS’2000”, Leba, 9-15 September 2000.

K. Bobrowski "tabilization of sulfur radical cations via intramolecular sulfur- carbonyl oxygen bond formation” International Mini-Symposium „Radiation-induced radical processes in systems of biological relevance”, Warsaw, 18 September 2000.
Under construction!!!
1999
Under construction!!!
K. Bobrowski, G. L. Hug, B. Marciniak "Intra-complex proton transfer involving the amino group during photooxidation of methionine derivatives” The Fifth International Conference on Solar Energy Storage and Applied Photochemistry [SOLAR’99], Cairo, Egypt, 30 March - 4 April 1999.

K. Bobrowski, G. L. Hug, Ch. Schöneich "Radical processes during radiation-induced oxidation of sulphur-containing model peptides” (invited lecture) 21st Miller Conference on Radiation Chemistry, Doorwerth (near Arnhem), The Netherlands, April 24 - 29, 1999.

G. Strzelczak, K. Bobrowski, J. Michalik "ESR Study of polycrystalline S-methylcysteine and its derivatives” 21st Miller Conference on Radiation Chemistry, Doorwerth (near Arnhem), The Netherlands, April 24 - 29, 1999.

K. Bobrowski "Scientific research perspectives with the new pulse radiolysis system at the electron accelerator LAE 10” Symposium „Creative Electrons” Radiation Chemistry and Technology in Research and Industrial Development, Warszawa, 7 - 8 czerwca, 1999

K. Bobrowski "OH-induced radical chemistry in sulfur-containing amino acids and peptides” Symposium „Creative Electrons” Radiation Chemistry and Technology in Research and Industrial Development Warszawa, 7- 8 czerwca 1999

K. Bobrowski, G. L. Hug, Ch. Schöneich "Intermediates during OH-induced oxidation of methionine-containing constrant peptides” International Workshop on Reactive Intermediates IWRI’99, Szczyrk, August 22-27, 1999

G. Strzelczak, K. Bobrowski and J. Michalik "Intermediates in g-irradiated S-methyl cysteine derivatives” International Workshop on Reactive Intermediates IWRI’99, Szczyrk, August 22-27, 1999

P. Wiśniowski. A. Korzeniowska, K. Bobrowski, L. Richter, O. Brede "Generation of radical cations from phenyl, vinyl and allyl containing thioethers in organic solvents” International Workshop on Reactive Intermediates IWRI’99, Szczyrk, August 22-27, 1999

A. Korzeniowska, G. L. Hug, K. Bobrowski "Two types of radical cations formed on reaction of hydroxyl radical with thioanisole” International Workshop on Reactive Intermediates IWRI’99, Szczyrk, August 22-27, 1999

A. Korzeniowska, G. L. Hug, K. Bobrowski "Dwa typy kationorodników generowanych w reakcji rodnika hydroksylowego z tioanizolem” II Sympozjum Chemii i Techniki Radiacyjnej, Lądek Zdrój, 20- 23 września 1999.
1998
K. Bobrowski, G. L. Hug, B. Marciniak, Ch. Schöneich, P.B. Wiśniowski "Intramolecular hydrogen transfer during oxidation of b-hydroxysulfides and a-(methyl)thioacetamide. Pulse radiolysis and flash photolysis studies" (invited lecture). Trombay Symposium on Radiation and Photochemistry (TSRP-98), Trombay, Mumbai, India, January 14-19, 1998.

P.B. Wiśniowski, K. Bobrowski, "·OH radical induced oxidation of thioamides. Intra-molecular hydrogen transfer” (invited lecture), IV Pune University Workshop on Radiation and Photochemistry" Pune, India, January 20-22, 1998.

D. Pogocki, K. Bobrowski, G. L. Hug, C. Schöneich "OH-radical induced oxidation of S-alkylglutathiones derivatives in aqueous solutions. Influence of pH and the concentration of peptide” The Annual School on Physical Organic Chemistry. Acid-base properties of organic compounds, Przesieka, 1-6 czerwca 1998

K. Bobrowski "Hydroxysulphuranyl radical chemistry in sulphur-containing amino acids and peptides” (invited lecture), Sixth EUCHEM Conference on Organic Free Radicals, Grottaferrata, Rome, Italy, July 4-9, 1998.

K. Bobrowski "Radiation chemistry of aqueous solutions of sulfur-containing peptides” (invited lecture) Gordon Research Conference „Radiation Chemistry”, Newport, Rhode Island, USA, July 5-10, 1998.

G. L. Hug, K. Bobrowski, H. Kozubek, B. Marciniak "Photooxidation of methionine derivatives by the 4-carboxybenzophenone triplet state in aqueous solutions. Intra-complex proton transfer involving the amino group” Workshop on "Reactive intermediates in sulfur chemistry”, Poznań, 23-26 sierpnia 1998.

C. Schöneich, B. L. Miller, J. Hong, G. L. Hug, M. Bonifacic, K. Bobrowski "Mechanisms of reactions of sulfide radical cation complexes with superoxide and oxygen” Workshop on „"Reactive intermediates in sulfur chemistry”, Poznań, 23-26 sierpnia 1998.

D. Pogocki, A. Ścięgosz, K. Bobrowski "Hydroxyl radical induced oxidation of thiaproline derivatives” Workshop on „Reactive intermediates in sulfur chemistry”, Poznań, 23-26 sierpnia 1998.

P. Wiśniowski, K. Bobrowski "OH-induced oxidation of a-(methylthio)-acetamide”, Workshop on "Reactive intermediates in sulfur chemistry”, Poznań, 23-26 sierpnia 1998.

G. Strzelczak, K. Bobrowski, J. Michalik "ESR study of polycrystalline tripeptides” Workshop on "Reactive intermediates in sulfur chemistry”, Poznań, 23-26 sierpnia 1998.

K. Bobrowski, P. Wiśniowski, D. Pogocki "Wewnątrzcząsteczkowe przeniesienie wodoru podczas indukowanego rodnikami wodorotlenowymi utleniania podstawionych tioeterów” Zjazd PTChem. i SITPChem., Wrocław, 14-18 września 1998.
Some Recent
K. Bobrowski, D. Pogocki, G. L. Hug, Ch. Schöneich "OH-Radical-induced oxidation of S-alkylglutathiones derivatives in aqueous solutions” 20-th Miller Conference on Radiation Chemistry, Bowness-on-Windermere, Cumbria, England, 22-27 March 1997.

G. Strzelczak-Burlińska, K. Bobrowski, J. Holcman "Reactions of the hydrated electron with oligopeptides” 20-th Miller Conference on Radiation Chemistry, Bowness-on-Windermere, Cumbria, England, 22-27 March 1997.

K. Bobrowski, G. L. Hug, b. Marciniak, B. Miller, Ch. Schöneich "Mechanism of one-electron oxidation of b-, d-, and g-hydroxyalkyl sulfides. catalysis through intramolecular proton transfer and sulfur-oxygen-bond formation” 21-st DOE Solar Photochemistry Conference, Copper Mountain, Colorado, June 7-11, 1997.

K. Bobrowski, G. L. Hug, b. Marciniak, B. Miller, Ch. Schöneich "Mechanism of one-electron oxidation of b-, d-, and g-hydroxyalkyl sulfides. catalysis through intramolecular proton transfer and sulfur-oxygen-bond formation” Gordon Research Conference on Organic Photochemistry, Newport, Rhode Island, July 20-25, 1997.

G. L. Hug, K. Bobrowski, B. Marciniak "Photooxidation of methionine derivatives by the 4-carboxybenzophenone triplet state in aqueous solution. Stabilization of sulfur-radical-cation centers” XVIIIth International Conference on Photochemistry, Warsaw, Poland, 3-8 August, 1997.

K. Bobrowski, G. L. Hug, B. Marciniak, B. Miller, Ch. Schöneich "Catalysis through intramolecular proton transfer and sulfur-oxygen-bond formation during photooxidation of hydroxylalkyl sulfides” XVIIIth International Conference on Photochemistry, Warsaw, Poland, 3-8 August, 1997.

B. Marciniak, K. Bobrowski, G. L. Hug "Photoinduced electron transfer involving sulfur-containing organic compounds” XVIIIth International Conference on Photochemistry, Warsaw, Poland, 3-8 August, 1997.

K. Bobrowski, D. Pogocki, G. L. Hug, Ch. Schöneich "Peptide bond participation in the OH radical induced oxidation of S-alkylglutathiones” 5-th International Meeting on Pulse Investigations in Physics, Chemistry and Biology "Puls'97", Szczyrk, Poland, 13-19 September 1997.

D. Pogocki, A. Ścięgosz, K. Bobrowski, K.-D. Asmus "OH-Radical induced oxidation of conformationally constrained sulphur-containing amino acids” 5-th International Meeting on Pulse Investigations in Physics, Chemistry and Biology "Puls'97", Szczyrk, Poland, 13-19 September 1997.

Paweł B. Wiśniowski, K. Bobrowski "·OH Radical Induced Oxidation of Thioamides:Stability of the Hydroxysulphuranyl Radical” 5-th International Meeting on Pulse Investigations in Physics, Chemistry and Biology "Puls'97", Szczyrk, Poland, 13-19 September 1997.

K. Bobrowski , Ch. Schöneich "Wewnątrzcząsteczkowe przeniesienie protonu pomiędzy kwasem glutaminowym i metionina w peptydach oligoprolinowych” Zjazd PTChem. i SITPChem., Gdansk, 22-26 wrzesnia 1997.

G. Strzelczak, K. Bobrowski "Badanie peptydów metioninowych metoda EPR” Zjazd PTChem. i SITPChem., Gdansk, 22-26 wrzesnia 1997.

P. B. Wiśniowski, K. Bobrowski "Wpływ grup funkcyjnych na inicjowane radiacyjnie procesy rodnikowe w tioeterach” Zjazd PTChem. i SITPChem., Gdansk, 22-26 wrzesnia 1997.

D. Pogocki, K. Bobrowski, G. L. Hug i Ch. Schöneich "Rodnikowe utlenianie S-alkilowych pochodnych glutationu” Zjazd PTChem. i SITPChem., Gdansk, 22-26 wrzesnia 1997.