Results 101 to 110 of about 16,298 (235)

Development of photodissociation methods for biomolecule analysis in a quadupole ion trap mass spectrometer [PDF]

open access: yes, 2008
textPhotodissociation methods have been implemented and compared to collision-induced dissociation (CID) in a quadrupole ion trap mass spectrometer for the structural analysis of peptides, proteins, oligosaccharides, DNA and DNA/drug complexes.
Wilson, Jeffrey John, 1979-
core   +1 more source

Near-UV photolysis cross sections of CH3OOH and HOCH2OOH determined via action spectroscopy [PDF]

open access: yesAtmospheric Chemistry and Physics, 2007
Knowledge of molecular photolysis cross sections is important for determining atmospheric lifetimes and fates of many species. A method and laser apparatus for measurement of these cross sections in the near-ultraviolet (UV) region is described.
C. M. Roehl   +6 more
doaj  

CALCULATION OF CHEMICAL EQUILIBRIUM IN THE INTERSTELLAR CLOUD

open access: yesOdessa Astronomical Publications, 2017
In order to calculate the molecular concentrations in the interstellar cloud and to obtain heir spatial distribution we have made a computational code to solve the set of equations for chemical equilibrium and equations of charge and atom balance.
I. Shmeld, J. Freimanis, N. G. Bochkarev
doaj   +1 more source

Advancements in Mass Spectrometry‐Based Glycomics in Food and Nutritional Science

open access: yesMass Spectrometry Reviews, Volume 45, Issue 4, Page 829-850, July/August 2026.
ABSTRACT This review highlights advancements in mass spectrometry (MS)‐based glycomics in food and nutritional science. Carbohydrates, which are vital for human health, exhibit complex structures, making their analysis challenging. MS has become an indispensable tool for elucidating the structures of carbohydrates, including glycans, through soft ...
JaeHui Song   +3 more
wiley   +1 more source

Photodissociation Dynamics of o-Nitrobenzoic Acid [PDF]

open access: yes, 2009
Photodissociation dynamics of o-nitrobenzoic acid at 295 and 355 nm was studied by probing the nascent OH photoproduct employing the single-photon laser induced fluorescence technique.
尹鸿鸣   +5 more
core  

Photodissociation dynamics of the methyl radical at 212.5 nm: Effect of parent internal excitation [PDF]

open access: yes, 2004
Photodissociation dynamics of the CH3 radical at 212.5 nm has been investigated using the H atom Rydberg tagging time-of-flight method with a pure CH3 radical source generated by the photolysis of CH3I at 266 nm.
Harich, SA   +5 more
core   +1 more source

Modulating Photodissociation and Photobleaching via Plasmon Resonance to Enhance Light-Induced Nitric Oxide Release

open access: yesApplied Nano
Localized therapeutic action and targeted drug release offer compelling advantages over traditional systemic drug administration. This is particularly important for nitric oxide (NO), whose biological effects vary greatly depending on concentration and ...
Danil V. Shershnev   +6 more
doaj   +1 more source

Exploiting Dimensionality in Hybrid Metal Halides: Design Strategies, Structure–Property Relationships, Optoelectronic Applications, and Future Perspectives

open access: yesSmall Structures, Volume 7, Issue 7, July 2026.
This review presents a unified structural classification for hybrid metal halides from 3D to 0D. It summarizes dimensional engineering strategies and dimension‐dependent structure–property relationships, offering a systematic framework to guide the design and development of high‐performance low‐dimensional optoelectronic materials.
Ying Liu   +3 more
wiley   +1 more source

Atomistic simulations of reactive processes from gas to condensed phase [PDF]

open access: yes, 2014
In this thesis, we use advance computational methods to explore molecular reaction dynamics in gas and condensed phase. The molecular reactions that we describe in here have been studied for the last 25 years, using computational methods, from ...
Yosa, Juvenal
core   +1 more source

Near-IR photodissociation of peroxy acetyl nitrate [PDF]

open access: yesAtmospheric Chemistry and Physics, 2005
Measurements of the C-H overtone transition strengths combined with estimates of the photodissociation cross sections for these transitions suggest that near-IR photodissociation of peroxy acetyl nitrate (PAN) is less significant (Jnear-IR≈3x10-8s ...
S. A. Nizkorodov   +4 more
doaj  

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