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Development Of Inlet And Vacuum Ionization Methods For Characterization Of Biological Materials By Mass Spectrometry, Beixi Wang
Wayne State University Dissertations
Inlet ionization and vacuum ionization are novel ionization methods to produce electrospray ionization (ESI)-like ions from the solid or liquid states, operating from atmospheric pressure (AP) or vacuum, without the use of voltage or the necessity of high energy input such as a laser or particle beam. The fundamental aspects were probed for better understanding of the novel ionization processes. Initial applications were attempted to utilize the novel ionization methods for fast, robust, and quantitative analyses.
For inlet ionizations (laserspray ionization inlet, LSII; matrix assisted ionization inlet, MAII; and solvent assisted ionization inlet, SAII), small (e.g. drugs) to large (e.g. …
Synthesis, Characterization, And Rna Reactivity Of Amino-Acid-Linked Cisplatin Analogues, Xun Bao
Synthesis, Characterization, And Rna Reactivity Of Amino-Acid-Linked Cisplatin Analogues, Xun Bao
Wayne State University Dissertations
The essential role of ribosomal RNA (rRNA) in the cell life cycle is highlighted by protein synthesis; therefore, the ribosome is considered to be an ideal drug target. Ribosomal RNAs exhibit a high level of structural diversity. The well-known anticancer drug cisplatin was previously applied as a chemical probe of rRNA structure to determine solvent accessible purines (guanosine) in vivo and in vitro. Cisplatin accumulates faster on RNA than DNA, with less chance of repair. As such, designing new RNA-targeting Pt compounds is not only a promising direction for chemical-probing applications, but also for the design of anticancer drugs that …