Differentiation of Body Fluid Stains Using a Portable, Low-Cost Ion Mobility Spectrometry Device—A Pilot Study
Abstract
:1. Introduction
2. Results and Discussion
2.1. Venturi Pump Configuration
2.2. Microchamber Thermal Extractor Configuration
2.3. Dual-Disc Pump Configuration
3. Materials and Methods
3.1. Materials
3.2. Sample Preparation
3.3. IMS and Interface Conditions
3.3.1. Venturi Pump Interface—Mass Spectrometry
3.3.2. IMS Conditions
3.3.3. Venturi Pump Interface—Ion Mobility Spectrometry
3.3.4. Microchamber Thermal Extractor Configuration—Ion Mobility Spectrometry
3.3.5. Dual-Disc Pump–Probe Interface—Ion Mobility Spectrometry
3.4. Data Processing
4. Conclusions
Future Work
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Substance | Prominent Mobility Value Signals (cm2/Vs) |
---|---|
Blank | 1.82, 1.92, 1.96, 2.19, 2.44 |
Blood | 1.80, 2.42 |
Urine | 1.60, 1.82, 2.42 |
Ketchup | 1.60, 1.82, 1.90, 2.06, 2.18, 2.42 |
Food colouring | 1.64, 1.82, 1.90, 2.08, 2.44 |
Shoe polish | 1.56, 1.62, 1.82, 1.90, 2.42 |
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© 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
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Heaton, C.; Clement, S.; Kelly, P.F.; King, R.S.P.; Reynolds, J.C. Differentiation of Body Fluid Stains Using a Portable, Low-Cost Ion Mobility Spectrometry Device—A Pilot Study. Molecules 2023, 28, 6533. https://doi.org/10.3390/molecules28186533
Heaton C, Clement S, Kelly PF, King RSP, Reynolds JC. Differentiation of Body Fluid Stains Using a Portable, Low-Cost Ion Mobility Spectrometry Device—A Pilot Study. Molecules. 2023; 28(18):6533. https://doi.org/10.3390/molecules28186533
Chicago/Turabian StyleHeaton, Cameron, Simon Clement, Paul F. Kelly, Roberto S. P. King, and James C. Reynolds. 2023. "Differentiation of Body Fluid Stains Using a Portable, Low-Cost Ion Mobility Spectrometry Device—A Pilot Study" Molecules 28, no. 18: 6533. https://doi.org/10.3390/molecules28186533