Pearl Kwantwi-Barima successfully defended her Ph.D. dissertation this semester. Congrats Pearl!
Our latest manuscript was just accepted in Analytical Chemistry. We use a set of standards to discuss the implications of […]
Just accepted in Analyst, we’ve improved on using our tri-shutter grid ion gates by implementing the tri-state pulsing to increase […]
While trapped ion mobility spectrometry (TIMS) provides excellent separation capability as an ion mobility technique, one major drawback is the […]
In a standard single averaged, drift tube ion mobility spectrometry (IMS) experiment, typically less than 1% of the ions are […]
A brief, condensed tutorial of IMS calculations and simulation is provided in the following jupyter notebook. This example code is […]
After applying the atmospheric flow tube-mass spectrometry approach to ambient vapor detection of phosphonic acids and tributyl phosphate, we observed […]
Previously, we reported an approach to quantify the energetics of association between neutral drift gas modifiers and two common chemical […]
Recently we’ve been working on the design and construction of a new instrument build centering around a quadrupole mass spectrometer […]
TL/DR — Code and wiring diagram to output a simulated spectrum WITH noise on a specified microcontroller output pin. Requires […]
This is the 3rd post in a series outlining a workflow using freely available computational chemistry resources with python interfaces […]
This is the second post in a series aiming at generating a range of candidate structures for evaluation in the […]
This is the first of a series examining the use of python to generate candidate structures of molecules. These conformations […]
Following our initial experiments using ion trap mass spectrometry and atmospheric flow tube sampling (AFT-MS) for alkylphosphonic acid detection, we […]
For those that are interested, here is the spreadsheet used in the ASMS 2018 short course.  Thank Dr. Bill Siems […]
Atmospheric flow tube-mass spectrometry (AFT-MS) first emerged in 2012 as an ambient vapor sampling technique developed by Ewing et al. […]
Continuing along our previous work to characterize certain cationized glycans with a variety of metals and with cobalt to enhance […]
  Following up on previous post, we’ve finally released a major update to the Open Source IMS Initiative.  Appearing now […]
Ion gating remains a critical aspect of drift tube IMS experiment and a range of clever approaches have been used […]
Ultraviolet photodissociation (UVPD) has had its application directed primarily at biomolecule analysis, but with a common drawback of low fragment […]
Austen has recently assembled an animation demonstrating the effect of increasing drift tube length on resolving power, calculated from peak […]
Using a combination of Fourier transform ion mobility and ion trap mass spectrometry Kelsey demonstrated the degree to which different metal […]
Outside of an ionization source and a Faraday plate, a drift tube IMS system is fundamentally comprised of 5 primary […]
We are pleased to report the publication of our work outlining the effective coupling of a drift tube IMS system […]
In the Spring Semester of 2015, Dr. Clowers was recognized within the College of Arts and Sciences at Washington State […]
For those that are interested, here is the spreadsheet used in the ASMS 2018 short course.  Thank Dr. Bill Siems […]
We are pleased to announce the unpacking and, more importantly, the successful pump down of the G2.  Combined with a […]
Unboxing to commence in t-minus 6 days and counting…
  In early 2015 the research group is pleased to bring the next generation ion mobility-ion trap system online.  This […]
In an effort to create a set of simple tools that are useful for data processing and realtime analysis of […]
Generally, it is recommended to avoid qualitative measures when quantitative solutions exist.  However, if the genuine need arises here are […]
Recently, we brought two CTC PAL systems on-line in the group and in an effort to save a little bit […]
Love it or hate it, the lack of a tractable options to create Gantt charts warrants frustration at times.  A […]
The Clowers Research Group is now live.  Reporting in are the background ions from ionized air measured using a residual […]
Though seemingly outside the realm of chemistry, electronics lie at the heart of many experimental disciplines as all rely ability […]
While many have heard of the legendary lecture series, few can claim to have actually read each one.  Thanks to […]
Now incorporated directly into the latest version of matplotlib (v1.3) here is a great alternative that brings some style to […]
Duviz: command line tool for disk usage visualization: duviz.py is a simple UNIX command line utility written in Python to […]
Why Oscilloscope Bandwidth Matters: A big part my New Year’s Resolution to improve my overall design process was better testing. […]