Launch of a Revolutionary diaPASEF Workflow for CCS by Bruker

Publisher: The Insight Partners

Bruker has always been working towards making breakthrough technological solutions along with the scientists followed by developing applications that will enhance the living standards of the people. Alike always, the company publicizes the launch of diaPASEF Workflow for CCS (collision cross sections) at the 18th Human Proteome Organization World Congress held in Australia recently. Moreover, diaPASEF workflow is one of the new-fangled DIA (data-independent acquisition) technique over the platform of the timsTOF Pro.

Additionally, the platform leverages TIMS (trapped ion mobility spectrometry) as well as PASEF (‘parallel accumulation - serial fragmentation’) that has been built after almost seven years of alliance over several years with Professor Matthias Mann and team at Max Planck Institute in Martinsried. Along with the potent usage of ion in diaPASEF, the timsTOF pro even offers added ion mobility dimension or CCS. Also, along with retention time alignment, the platforms permits simultaneous precursors’ ion mobility alignment & fragments within diaPASEF, bettering the reliability as well as specificity of the assignments additionally.

This novel product named diaPASEF workflow as presented in ASMS (American Society for Mass Spectrometry) 2019 actually utilizes intersecting windows within the ion mobility domain in order to effectively trigger the MS/MS by the means of quadrupole for transmitting precursor ions on higher sensitivity. Also, diaPASEF ensures enhancement in protein identification almost be 30 percent. In addition to protein identification diaPASEF even ensures increases data sensitivity & completeness. Furthermore, the company has partnered with several other enterprises for the development of rapid as well as user-friendly solution for analyzing the diaPASEF data.

Beat versions for diaPASEF processing available at HUPO 2019 include Skyline (MacCoss Lab Software), Mobi-DIK (U. Toronto), Spectronaut (Biognosys AG), PEAKS (Bioinformatics Solutions Inc.), and MaxQuant (Max Planck Institute, Martinsried).

Even more appealing results in terms of the quantitative performance of diaPASEF would be presented at HUPO 2019: with the help of LFQ (label-free quantification) over the association of 3 proteomes (Yeast, HeLa & E.coli) with Spectronaut software. Hence, 8000 plus proteins would probably be accurately identified as well as quantified having at least two peptides at a success rate nearly 99 percent.

Besides, for targeted quantitative proteomics, innovative 3D-targeted PRM workflow with additional ion mobility targeting were introduced by Bruker at HUPO 2019 as work-in-progress for the targeted proteomics after sensitivity & quantitation enhancement.