TOLL MEDIATED INFECTION RESPONSE IS ALTERED BY GRAVITY AND SPACEFLIGHT IN DROSOPHILA.




Identification of fragment ions produced by the decomposition of tetramethyltin and the production of low-energy Sn+ ion beam.

Tetramethyltin was decomposed in an ion source and the fragment ions Helmets produced were identified using a low-energy mass-selected ion beam machine.Dominant fragment ions were found to be H+, CH2+, and Sn+.Subsequently, fragment ions were mass-selected.The mass spectrum of the selected ions indicated that only a single peak appeared at the mass

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