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Total Ion Chromatogram and Total Ion Mass Spectrum as Alternative Tools for Detection and Discrimination (A Review)
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- Barea-Sepulveda, Marta (author)
- Univ Cadiz, Fac Sci, Dept Analyt Chem, IVAGRO,Agrifood Campus Int Excellence CeiA3, Puerto Real 11510, Spain.
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- Duarte, Hugo (author)
- Univ Algarve, Fac Ciencias & Tecnol, MED Mediterranean Inst Agr Environm & Dev, Campus Gambelas,Ed 8, P-8005139 Faro, Portugal.
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- Jose Aliano-Gonzalez, Maria (author)
- Univ Cadiz, Fac Sci, Dept Analyt Chem, IVAGRO,Agrifood Campus Int Excellence CeiA3, Puerto Real 11510, Spain.;Univ Algarve, Fac Ciencias & Tecnol, MED Mediterranean Inst Agr Environm & Dev, Campus Gambelas,Ed 8, P-8005139 Faro, Portugal.
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- Univ Cadiz, Fac Sci, Dept Analyt Chem, IVAGRO,Agrifood Campus Int Excellence CeiA3, Puerto Real 11510, Spain Univ Algarve, Fac Ciencias & Tecnol, MED Mediterranean Inst Agr Environm & Dev, Campus Gambelas,Ed 8, P-8005139 Faro, Portugal. (creator_code:org_t)
- 2022-11-08
- 2022
- English.
- In: CHEMOSENSORS. - : MDPI AG. - 2227-9040. ; 10:11
- Research review (peer-reviewed)
Abstract
Subject headings
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- Gas chromatography (GC) and mass spectrometry (MS) are widely used techniques in the analysis of complex mixtures due to their various advantages, such as high selectivity, reproducibility, precision, and sensitivity. However, the data processing is often complex and time-consuming and requires a great deal of experience, which might be a serious drawback in certain areas, such as quality control, or regarding research in the field of medicine or forensic sciences, where time plays a crucial role. For these reasons, some authors have proposed the use of alternative data processing approaches, such as the total ion chromatogram or total mass spectrum, allowing these techniques to be treated as sensors where each retention time or ratio m/z acts as a sensor collecting total intensities. In this way, the main advantages associated with both techniques are maintained, but the outcomes from the analysis can be reached in a faster, simpler, and an almost automated way. In this review, the main features of the GC- and MS-based analysis methodologies and the ways in which to apply them are highlighted. Moreover, their implementation in different fields, such as agri-food, forensics, environmental sciences, or medicine is discussed, highlighting important advantages as well as limitations.
Subject headings
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Keyword
- gas chromatography
- mass spectrometry
- total ion chromatogram
- total ion mass spectrum
- sensors
- agri-food
- environment
- forensic
- medical
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