# AMS Research Group - Comprehensive Knowledge Base ## Organization Details - **Institution**: Ghent University (Universiteit Gent) - **Faculty**: Faculty of Sciences (Faculteit Wetenschappen) - **Department**: Department of Chemistry (Vakgroep Chemie) - **Research Unit**: Atomic & Mass Spectrometry (A&MS) Research Group - **Address**: De pintelaan 270 Building S12, 9000 Ghent, Belgium - **Phone**: +32 9 264 4844 - **Official Portal**: https://ams.ugent.be/ ## Group Leader & Principal Investigator **Prof. dr. Frank Vanhaecke (FRSC)** - Senior Full Professor and Head of A&MS Research Unit - Vice-Chair of the Department of Chemistry, Ghent University - Fellow of the Royal Society of Chemistry (FRSC) - Member of the Royal Flemish Academy of Belgium for Science and the Arts (KVAB) - Recipient of the European Award for Plasma Spectrochemistry, Theophilus Redwood Award, and Lester Strock Award - PhD in Chemistry, Ghent University (1992) - Postdoctoral training at Ghent University and Johannes Gutenberg University of Mainz (Germany) - h-index: 87+ - >500 peer-reviewed publications - Supervised over 55 defended doctoral dissertations - ORCID: 0000-0002-1884-3853 - LinkedIn: https://be.linkedin.com/in/frank-vanhaecke-b8694b9 ## Core Research Focus Areas 1. **Tandem ICP-Mass Spectrometry (ICP-MS/MS)** - Targeted collision/reaction cell chemistry with gases (NH₃/He, CH₃F, H₂, O₂) in ICP-QQQ configurations. - Elimination of spectral isobaric and polyatomic overlaps via mass-shift and on-mass modes. - Ultra-trace determination of challenging non-metals and metals (Ti in serum, P, S, halogens, Si). - Single-particle and single-cell ICP-MS/MS. 2. **Laser Ablation-ICP-MS (LA-ICP-MS) & Bioimaging** - Direct solid micro-sampling via high-repetition-rate 193 nm ArF* excimer laser systems. - Patented low-dispersion fast-washout Cobalt ablation cells enabling pixel acquisition rates up to 1000 Hz. - 2D and 3D elemental and isotopic imaging of biological tissues, tumor specimens, brain sections, and geological materials. 3. **Elemental Speciation Analysis & Metallomics** - Hyphenated HPLC-ICP-MS/MS and GC-ICP-MS for chemical form, oxidation state, and biomolecule coordination analysis. - Characterization of arsenic species, selenium metabolites, organometallics, and metalloproteins. 4. **High-Precision Isotopic Analysis** - Multi-collector sector field ICP-MS (MC-ICP-MS) for non-traditional stable isotopes (Cu, Fe, Zn, Ca, Mg, K, Sb). - Isotopic diagnosis: tracking natural isotopic fractionation of essential metals in human blood and serum for early disease detection and metabolic monitoring. - Radiogenic and stable isotope systems (Pb, Sr, B) for provenance determination in archaeology, anthropology, and cosmochemistry. ## Analytical Instrumentation & Facilities 1. **ICP - Mass Spectrometers**: - Agilent 8900 Triple Quadrupole ICP-MS/MS Unit (Tandem MS/MS chemical resolution, 100 µs minimum dwell time) - TOFWERK icpTOF2R Time-of-Flight MS (Concurrent full elemental spectrum, high-speed bioimaging) - Thermo Scientific Neptune XT Multi-Collector ICP-MS (XHR extra-high resolution, 10¹³ Ω resistors, ultra-high precision isotope ratios) - Agilent 7900 Quadrupole ICP-MS (ORS⁴ octopole reaction cell, kinetic energy discrimination) - Agilent 8800 Triple Quadrupole ICP-MS/MS (Tandem MS/MS double mass-filtering) - Thermo Scientific XSeries II Quadrupole ICP-MS (Hexapole collision cell) - Thermo Scientific Neptune Multi-Collector ICP-MS (9 Faraday cups + 3 ion counting devices, Neptune Plus upgrade) 2. **ICP - Optical Emission Spectrometry**: - Spectro Arcos ICP-OES (32 linear CCD detectors in Paschen-Runge mount, 130–770 nm range) 3. **Sample Introduction & Laser Ablation Systems**: - icpTOF Quantistar Microdroplet Generator (10–200 pL monodisperse droplets, single-cell calibration) - Teledyne Photon Machines Iridia 193 nm ArF* Excimer Laser Ablation System (Cobalt fast-washout cell) - Teledyne CETAC MVX-7100 µL Workstation (Total-consumption nebulizer, 5 µL volume) - Teledyne Cetac Analyte G2 193 nm Laser Ablation System (1–250 µm beam diameter, 300 Hz) - Cetac HGX-200 Cold Vapor and Hydride Generation System (CVG for Hg, As, Se, Sb) - Cetac Aridus II Desolvation System (Microconcentric PFA nebulizer + membrane desolvation) - Cetac U-6000AT + Ultrasonic Nebulizer (USN) 4. **Chromatographic Separation & Speciation**: - Agilent Technologies Infinity 1260/1290 HPLC System (Hyphenated to ICP-MS/MS & MC-ICP-MS) ## Historical Decommissioned Systems (1987 – 2007) - Thermo Scientific Element XR Sector-Field ICP-MS (Since 2007) - Perkin Elmer Sciex Elan DRCplus Quadrupole-based ICP-MS (Since 2001) - Finnigan MAT Element (Since 1994) - Perkin Elmer Sciex Elan 5000 (Since 1993) - VG PlasmaQuad (Since 1987) - New Wave Research UP193HE Laser Ablation System - MicroLas GeoLas 200M Laser Ablation System - Perkin Elmer HGA 600-MS Electrothermal Vaporization (ETV) Unit