Volume 12 Issue 5 (2006)

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Pages 283–289
doi: 10.1255/ejms.825
Characterization of activation energy distribution for ultraviolet irradiation of T-rich oligonucleotide using high-performance liquid chromatography electrospray ionization mass spectrometry tandem mass spectrometry
Renfang Song,a,b Jinzhong Liu,a Wenbing Zhang,a Huayong Chen,a,b Huimin Ma,a,b Guoying Sheng,a Zhen Zhoua and Jiamo Fua,*
aState Key Laboratory of Organic Geochemistry, Guangzhou Research Center of Mass Spectrometry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
bGraduate School of the Chinese Academy of Sciences, Beijing, China

Pages 291–299
doi: 10.1255/ejms.818
Determination of dissociation constants of cyclodextrin-ligand inclusion complexes by electrospray ionization mass spectrometry
Huarong Zhang, Hanqi Zhang, Weiqun Jin and Lan Ding
College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, PR China

Pages 301–310
doi: 10.1255/ejms.828
A comparison of electrospray-ionization and matrix-assisted laser desorption/ionization mass spectrometry with nuclear magnetic resonance spectroscopy for the characterization of synthetic copolymers
Abdulrahman M. Alhazmi,a Marie-Soleil Giguère,a Marc A. Dubé,b Paul M. Mayer*,a
aDepartment of Chemistry, University of Ottawa, 10 Marie-Curie, Ottawa, Ontario, Canada K1N 6N5
bDepartment of Chemical Engineering, Centre for Catalysis Research and Innovation, University of Ottawa

Pages 311–316
doi: 10.1255/ejms.827
Influence of solvent and counter ion on copper complexes with N-alkyl- pyridine-2-carboxamides as studied by electrospray ionization mass spectrometry
Rafał Frański,a,* Karolina Klonowska- Wieszczycka,b Aleksandra Borowiak-Resternab and Andrzej Olszanowskib
a Adam Mickiewicz University, Faculty of Chemistry, Grunwaldzka 6, 60-780 Poznań, Poland. E-mail: mailto:franski@main.amu.edu.pl
b Poznań University of Technology, Institute of Chemical Technology and Engineering, PL. M. Skłodowskiej-Curie 2, 60-965 Poznań, Poland

Pages 317–330
doi: 10.1255/ejms.819
Mass spectrometry of β-ketoesters. Some evidence of their tautomerism
Patricia E. Allegretti,a Eduardo A. Castrob and Jorge J. P. Furlonga,*
aLaboratorio de Estudio de Compuestos Orgánicos (LADECOR), División Química Orgánica, Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, (1900) La Plata, Buenos Aires, Argentina
bINIFTA (UNLP-CONICET-CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Diagonal 113 y 64, Suc. 4, C. C. 16, (1900) La Plata, Buenos Aires, Argentina

Pages 331–338
doi: 10.1255/ejms.835
In vitro nitrosation of insulin A- and B-chains
Celina Santos,a Ricardo A. Afonso,c,d Maria Pedro Guarino,c,e Rita S. Patarrão,c,d Ana Fernandes,c João Paulo Noronha,a M. Paula Macedoc,f and Jorge Caldeira*,a,b
aREQUIMTE, Departamento de Química, FCT-UNL, 2829-516 Caparica, Portugal. E-mail: fjc@dq.fct.unl.pt
b Instituto Superior de Ciências da Saúde Egas Moniz, 2829-516 Caparica, Portugal
cDepartamento de Fisiologia, FCM-UNL Campo dos Mártires da Pátria, n. 130, 1169-056 Lisboa, Portugal
dDepartamento de Bioquímica, FCM-UNL Campo dos Mártires da Pátria, n. 130, 1169-056 Lisboa, Portugal
eDepartamento de Fisiopatologia, FCM-UNL Campo dos Mártires da Pátria, n. 130, 1169-056 Lisboa, Portugal
fAssociação Protectora dos Diabéticos de Portugal (APDP), Rua do Salitre, 118, 1250-203 Lisboa, Portugal

Pages 339–343
doi: 10.1255/ejms.826
Letter: Electron ionization-induced fragmentation of new thiochalcone derivatives
Zdzisława Nowakowska
Faculty of Chemistry, Adam Mickiewicz University, Grunwaldzka 6, 60-780 Poznań , Poland. E-mail: zdzisian@amu.edu.pl

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