Wavelength-selective vibrationally excited photodesorption with tunable IR sources

C Focsa, C Mihesan, M Ziskind… - Journal of Physics …, 2006 - iopscience.iop.org
We present an overview of IR laser resonant desorption (LRD) studies with special focus on
recent developments by our group. The resonant character of the laser desorption process …

Low temperature secondary emission mass spectrometry. Cryobiological applications

MV Kosevich - European Mass Spectrometry, 1998 - journals.sagepub.com
Recent achievements of low temperature secondary emission mass spectrometry in exotic
fields of life sciences such as cryobiology are surveyed. Specific problems of molecular …

'Bubble chamber model'of fast atom bombardment induced processes

MV Kosevich, VS Shelkovsky… - … in mass spectrometry, 2003 - Wiley Online Library
A hypothesis concerning FAB mechanisms, referred to as a 'bubble chamber FAB model', is
proposed. This model can provide an answer to the long‐standing question as to how fragile …

Origin of Clusters. I. Correlation of Low Temperature Fast Atom Bombardment Mass Spectra with the Phase Diagram of NaCl—Water Solutions

OA Boryak, IO Stepanov, MV Kosevich… - European Mass …, 1996 - journals.sagepub.com
Correlations between the structure of samples of the frozen solutions of sodium chloride in
water, produced at different parameters of the phase diagram of this system, and the clusters …

Cryogenic frozen solution matrixes for analysis of DNA by time-of-flight mass spectrometry

JM Hunter, H Lin, CH Becker - Analytical chemistry, 1997 - ACS Publications
We present an alternative matrix system for mass analysis of high molecular weight
biomolecules by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry …

Formation of large water clusters by IR laser resonant desorption of ice

C Mihesan, M Ziskind, B Chazallon, C Focsa… - Applied surface …, 2005 - Elsevier
Large H3O+ (H2O) n clusters, up to n≈ 100, were produced by IR laser resonant desorption
of an ice matrix using an optical parametric oscillator (OPO) at 3.1 μm. The velocity …

Detection of a thermally unstable intermediate in the Wittig reaction using low-temperature liquid secondary ion and atmospheric pressure ionization mass …

CH Wang, MW Huang, CY Lee, HL Chei… - Journal of the …, 1998 - ACS Publications
The signal of an extremely air sensitive and thermally unstable intermediate, four-membered
ring oxaphosphetane in the Wittig reaction was detected for the first time at subambient …

Application of organic solvents as matrixes to detect air-sensitive and less polar compounds using low-temperature secondary ion mass spectrometry

MW Huang, HL Chei, JP Huang, J Shiea - Analytical Chemistry, 1999 - ACS Publications
Using low-temperature secondary ion mass spectrometry (LT-SIMS), this study successfully
detected air-sensitive and less polar compounds dissolved in various organic solvents. A …

Origin of clusters. II. Distinction of two different processes of formation of mixed metal/water clusters under low-temperature fast atom bombardment

MV Kosevich, OA Boryak, IO Stepanov… - European Mass …, 1997 - journals.sagepub.com
The preparation of frozen samples, in which the heterogeneous structures differ on a scale
comparable to the dimensions of the zone excited by a single bombarding particle, has …

On some peculiarities of the low temperature fast atom bombardment mass spectra of ethanol

OA Boryak, MV Kosevich, VS Shelkovsky - International journal of mass …, 1997 - Elsevier
Frozen samples of distilled ethanol were studied under the conditions of low temperature
fast atom bombardment mass spectrometry. The abundant production of ethanol clusters …