2016
DOI: 10.1007/s12127-016-0205-4
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Improving the analytical performance of ion mobility spectrometer using a non-radioactive electron source

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Cited by 11 publications
(12 citation statements)
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“…As our currently used software requires data acquisition to be completed before the next injection, reaction times shorter than 15 ms are not possible. However, as shown before, the protonated monomer and proton-bound dimer formation becomes also visible at shorter reaction times . This also illustrates that arbitrarily high repetition rates are not necessarily improving limits of detection with a field switching shutter, as shorter reaction times will lead to a higher loss of signal than the expected gain from more averaging.…”
Section: Resultssupporting
confidence: 64%
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“…As our currently used software requires data acquisition to be completed before the next injection, reaction times shorter than 15 ms are not possible. However, as shown before, the protonated monomer and proton-bound dimer formation becomes also visible at shorter reaction times . This also illustrates that arbitrarily high repetition rates are not necessarily improving limits of detection with a field switching shutter, as shorter reaction times will lead to a higher loss of signal than the expected gain from more averaging.…”
Section: Resultssupporting
confidence: 64%
“…This way, the FS shutter achieves both extremely short injection widths and high ion currents. Furthermore, the long reaction times possible in the field-free region are beneficial to the detection of proton-bound dimer and trimer ion species, as was shown before for the proton-bound DMMP dimer . As the mobility of proton-bound dimer species is less affected by, for example, temperature and humidity changes, , proton-bound dimers are especially helpful for reliable substance identification.…”
mentioning
confidence: 84%
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“…By optimizing the geometric parameters and the control electronics, we can achieve electron pulses with a definable pulse width down to 23 ns. This allows to control the ion generation and ion-ion recombination kinetics, which can enhance the analytical performance of the IMS [10].…”
Section: Principle Of Ims With Non-radioactive Electron Sourcementioning
confidence: 99%
“…In these cases, separation time and instrumental effort are not significantly increased. Typically, the recombination rate of ions in DT-IMS is measured by introducing a delay between pulsed ionization and ion injection and has been extensively studied. , However, every additional component in the sample affects the recombination, making signal interpretation complex. The second is recently introduced in a field asymmetric time of flight ion mobility spectrometer (FAT-IMS), where peaks are shifted directly after injection based on their alpha function .…”
mentioning
confidence: 99%