Top-down sequencing in proteomics has come of age owing to continuous progress in LC-MS. With their high resolution and broad mass range. Quadrupole Time-of-Flight (Q-ToF) hybrid mass spectrometers equipped with electrospray ionisation source and tandem MS capability by collision-induced dissociation (CID) can be employed to analyse intact proteins and retrieve primary sequence inform... https://parisnaturalfoodes.shop/product-category/vitamin-c-crystals-1000mg/