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This Themed Issue presents discussions of fragmentation mechanisms and determinations of biomolecular ionic structures by means of mass spectrometry from small peptides up to virus capsids.
Native tandem mass spectrometry reveals marked differences in the rates at which the two polymorphic forms of the HBV capsid exchange dimeric subunits with the soluble pool.
Detailed statistical analysis of >18000 high-mass accuracy tandem mass spectra resulting from higher energy collisional dissociation yields further evidence of the cyclic nature of a2-ions.
Jan Hoffmann, Lucie Sokolova, Laura Preiss, David B. Hicks, Terry A. Krulwich, Nina Morgner, Ilka Wittig, Hermann Schägger, Thomas Meier and Bernd Brutschy
A variety of conformations of binding and chelation of metal ions by phenylalanine are revealed and visualized by infrared multiple photon dissociation spectroscopy and computation.
Tryptic digest of insulin gives a number of disulfide containing peptides, which in the negative ion mode may cleave around the disulfide link to give fragment anions which may then be sequenced to provide the structure of the original tryptic fragment.
IRMPD spectroscopy and ion mobility spectrometry were used to probe i-motif folding of oligonucleotides polyanions analyzed by electrospray mass spectrometry.
Cecilia Coletti, Nazzareno Re, Debora Scuderi, Philippe Maître, Barbara Chiavarino, Simonetta Fornarini, Francesco Lanucara, Rajeev K. Sinha and Maria Elisa Crestoni
IRMPD spectroscopy-mass spectrometry is exploited to characterize a nitrosated amino acid gaining a signature for nitrosation, a frequent post-translational modification in proteins.
Second harmonic generation imaging needs better chromophores. This perspective considers structure–function relationships and evaluates methods of obtaining brighter SHG images.
G. D. Pirngruber, P. Raybaud, Y. Belmabkhout, Jiří Čejka and Arnošt Zukal
Phys. Chem. Chem. Phys., 2010, 12, 13534-13546
DOI: 10.1039/B927476F,
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Switch from charge-quadrupole interactions between CO2 and Li/NaY-extra-framework cations to acid–base type interactions between CO2 and K/CsY-framework oxygen atoms.
Nicola Schiccheri, Massimiliano Pasquini, Giovanni Piani, Giangaetano Pietraperzia, Maurizio Becucci, Malgorzata Biczysko, Julien Bloino and Vincenzo Barone
Phys. Chem. Chem. Phys., 2010, 12, 13547-13554
DOI: 10.1039/C002992K,
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An integrated experimental and computational spectroscopy study clarifies the local/supramolecular nature of the anisole dimer: a prototype π-stacked molecular system.
Physical Chemistry Chemical Physics
- Information Point
Here at the RSC, one of our most important objectives is to foster and encourage the growth and application of (chemical) science by the dissemination...
Perspectives Redox and electrochemical water splitting catalytic properties of hydrated metal oxide modified electrodes Richard L. Doyle, Ian J. Godwi...
Hydrogen is the only element in the periodic table that is not truly part of a group, although it is often nominally assigned to group 1. All chemists...
The fact that modern life relies heavily on fossil fuels is a environmental and a political problem, which will become your problem come when our supp...