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DTSTART;TZID="Pacific Time (US & Canada)":20210315T160000
DTEND;TZID="Pacific Time (US & Canada)":20210315T170000
SUMMARY:Department of Chemistry Seminar
LOCATION:Online
DESCRIPTION:Chemistry Department Seminar\n\nZOOM Only\n\nPete Reilly, Associate Chair of Chemistry for Graduate Programs, Department of Chemistry\n\nHost: Kirk Peterson\n\nTitle: Developing Digital Waveform Mass Spectrometry\n\nAbstract: Our development of digital waveform mass spectrometry evolved from our overarching goal to increase the working range of mass spectrometers so that large biomolecules and their complexes can be analyzed in low charge states.  Currently, sinusoidal waveform-based mass spectrometry is performed at constant frequency and directly varies the mass with voltage.  Because there is a limit to the voltage that can be applied, the mass range is limited.  Alternatively, digital waveform-based mass spectrometry operates at constant voltage with mass proportional to the inverse of the square of the frequency.  Here there is no mass limit because lower frequency waveforms are easier to generate.\n\nThe unlimited mass range provided the impetus for our work in developing digital waveform mass spectrometry.  However, when our group was formed at WSU in 2010, only square wave ion traps were in use and had limited application.  We recognized that digital operation allowed the use of rectangular waveforms and their application to linear ion guides, traps, and mass filters was game changing.  Digitally produced rectangular waveforms could be used to instantaneously change the mass range and the stability of the ions in the device.  The agility with which the waveforms could be changed allowed for development of new ways of manipulating ions at any value of m/z by taking advantage of stability and the differing rates of excitation.\n\nThis seminar chronicles our pioneering work in the field of digital waveform mass spectrometry in terms of the development of the theory, hardware, software, and methods.\n\nZOOM INFORMATION:\n\nImportant Note: Both internal and external WSU meeting attendees must be signed into Zoom to join the meeting.\n\nPlease refer to this guide on Joining WSU Zoom Meetings before trying to join the meeting:\n\nhttps://confluence.esg.wsu.edu/display/KB/Zoom+-+Joining+Meetings+and+Best+Practices\n\nJoin from PC, Mac, Linux, iOS, or Android: https://wsu.zoom.us/j/95161787679?pwd=UVRtOVB4d094ckdldVdpRDk0OFBYdz09\n\nMeeting ID: 951 6178 7679\n\nPasscode: 558849\n\nJoin from WSU Conference Room System (Polycom)\n\n1. Using the touch panel, or remote control,  select 'Place a Call'\n\n2. Enter the IP Address including periods: 162.255.37.11\n\n3. Press the pound key twice '##'\n\n4. Enter the Meeting ID: 951 6178 7679\n\n5. Press 'Call'\n\n6. Enter Passcode: 558849\n\nJoin from Conference Room System with SIP\n\n95161787679@zoomcrc.com\n\nShare Screen/Content Wirelessly\n\nGo to https://share.zoom.us and enter Meeting ID: 951 6178 7679\n\nPhone Call (long distance)\n\n+1 669 900 9128\n\n+16699009128,,95161787679# US (One Tap Mobile Call)\n\nFind your international phone number: https://wsu.zoom.us/u/ac8NvhnaT9\n\nFor technical support with WSU conference rooms, contact your local IT team\n\nFor support or feature requests, please go to https://its.wsu.edu/wsu-video-conferencing-services/\n\n
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