Výsledky vyhledávání - "R. M. Whittal"

The unexpected formation of [M − H]+species during MALDI and dopant-free APPI MS analysis of novel antineoplastic curcumin analogues

Autor: L. Usher, Alejandro Cohen, Anas El-Aneed, I. J. Amster, Melissa J. Stoudemayer, Hanan Awad, R. M. Whittal, Jonathan R. Dimmock, Umashankar Das

Publikováno v: Journal of Mass Spectrometry. 49:1139-1147

Unusual ionization behavior was observed with novel antineoplastic curcumin analogues during the positive ion mode of matrix-assisted laser desorption ionization (MALDI) and dopant-free atmospheric pressure photoionization (APPI). The tested compound

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2d63eec4dfe724d9d72c0f5b40f6d3b1
https://doi.org/10.1002/jms.3434

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The unexpected formation of [M - H]+ species during MALDI and dopant-free APPI MS analysis of novel antineoplastic curcumin analogues

Autor: H, Awad, M J, Stoudemayer, L, Usher, I J, Amster, A, Cohen, U, Das, R M, Whittal, J, Dimmock, A, El-Aneed

Publikováno v: Journal of mass spectrometry : JMS. 49(11)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::37a7cf0e05cc223384f0ae4e3d705f2e
https://pubmed.ncbi.nlm.nih.gov/25395129

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Insight into absorption of radiation/energy transfer in infrared matrix-assisted laser desorption/ionization: the roles of matrices, water and metal substrates

Autor: V L, Talrose, M D, Person, R M, Whittal, F C, Walls, A L, Burlingame, M A, Baldwin

Publikováno v: Rapid communications in mass spectrometry : RCM. 13(21)

Although the ionization/desorption mechanisms in matrix-assisted laser desorption/ionization (MALDI) remain poorly understood, there is a clear difference between the energy absorption processes in the ultraviolet (UV) and infrared (IR) modes of oper

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::00c53a21bab793fd5fc88c98b8fd432d
https://pubmed.ncbi.nlm.nih.gov/10523780

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Accurate mass measurement of oligonucleotides using a time-lag focusing matrix-assisted laser desorption/ionization time-of-flight mass spectrometer

Autor: Y, Dai, R M, Whittal, L, Li, S R, Weinberger

Publikováno v: Rapid communications in mass spectrometry : RCM. 10(14)

A method for accurate mass measurement of oligonucleotides up to a DNA 35-mer based on matrix-assisted laser desorption/ionization (MALDI) mass spectrometry is described. In this method, a time-lag focusing time-of-flight mass spectrometer is used to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::961cd111a0e775b389b1aab551b18bba
https://pubmed.ncbi.nlm.nih.gov/8953780

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