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RIKILT Institute of Food Safety – Department Growth Promoters (GB)

RIKILT Institute of Food Safety – Department Growth Promoters (GB)

PO Box 230, 6700 AE Wageningen
Akkermaalsbos 2, 6708 WB Wageningen, NL

Contact
Saskia Sterk
Saskia.Sterk@wur.nl
31(0)317480352

Marco Blokland
Marco.Blokland@wur.nl

Research line
Food Safety

Topics
developing analytical methods to identify abuse of growth promoters in animal husbandry
to distinguish endogenous natural hormones from illegally administered growth promoters (e.g. estrogens, androgens and corticosteroids)

Isotopes
13C

Instruments
GC/C/IRMS,  LC/C/IRMS

Thermo MAT 253 GC/C/IRMS (end of 2012)
LC Isolink interface future)

Utrecht University – Earth Sciences

Utrecht University – Earth Sciences

PO Box 80.021, 3508 TA Utrecht
Princetonlaan 8, 3584 CB Utrecht, NL

Stable Isotope Lab
nanoSIMS

Contact
Michiel Kienhuis
m.v.m.kienhuis@uu.nl
31(0) 6 37338646

Research line
Ecology, Geology, Microbiology, Paleoclimatology

Topics
Stratigraphy & paleontology : astronomical timescales and paleoclimate
Marine Geochemistry and Chemical Oceanography: marine sediments /overlying water column, eastern Mediterranean.
Organic Geochemistry: the natural environment (i.e. water, soil, sediments), rocks and fossil fuels.
Experimental Biogeochemistry: environmental relevant processes under controlled conditions.
Geochemical Modeling: improving the quantitative understanding of the cycling of bioactive elements.
Petrology group: stable isotope biomarkers for early life. Volcanism crater lakes and natural pollution.
Paleoecology
Biomarine Sciences: studying Paleoclimate

Isotopes
13C, 15N, 18O, 2H, 32S, 37Cl, Clumped oxygen isotopes (and others, like 29Si, 44Ca and heavier elements with nanoSIMS)

Instruments
DI-IRMS ISOCARB, DI-IRMS Kiel, EA/C/IRMS, TOC/IRMS, GC/C/IRMS, LA/IRMS, GC/IRMS, nanoSIMS

Thermo Finnigan MAT253 with Kiel-IV Device.
Thermo DeltaV with isolink Elemental Analyser and/or TCEA.
Thermo DeltaplusXP with GC-C-III.
Thermo Delta-V with laser-ablation/GC-C-III.
Thermo Delta-V with either a GasBench-II or a GC-C-III.
Thermo 253Plus plus with a Kiel-IV for clumped carbonate isotopes.
Elementar VisION with Agilent 8890 and GC5 combustion/pyrolysis interface.

Cameca NanoSIMS 50L for multi elemental and stable isotope ratio measurements and imaging.

A set of vacuum lines for offline preparation of samples.

Utrecht University – Institute for Marine and Atmospheric research Utrecht (IMAU)

Utrecht University – Institute for Marine and Atmospheric research Utrecht (IMAU)

PO Box 80005, 3508 TA Utrecht
Princetonplein 5, 3584 CC Utrecht, NL

Contact
Prof. Dr. Thomas Roeckmann
T.Roeckmann@uu.nl
31(0)302533858

Research line
Atmospheric Research

Topics
Investigation of the global hydrogen cycle with isotope measurements
– Source apportionment of carbon aerosol by 14C measurements and modeling
– Inverse modeling of methane using isotopes
– Mass Independent Fractionation (INTRAMIF project):
* CO2+O3 isotope exchange via O(1D) and stratospheric CO2
* Mass Independent Fractionation in Atmospheric Carbon Monoxide and the reaction CO+OH
* Isotope effects in ozone formation and destruction reactions
– Historical budgets of methane and nitrous oxide using air trapped in ice cores
– Isotope measurements on volatile organic compounds in the atmosphere
– Study of the hydrological cycle using new satellite-borne isotope measurements

Isotopes
13C, 15N, 17O, 18O, 2H, 14C

2H (H2, CH4, H2O), 14C (C, CH4), 17O and 18O (CO2, CO), 17O (O3), 15N (N2O)

Instruments
DI-IRMS, GC/IRMS, GC/C/IRMS, GC/P/IRMS

ThermoFinnigan DeltaPlus XL, dual inlet
ThermoFinnigan DeltaPlus XL, continuous flow, 2×
Thermo DeltaV Advantage, continuous flow?
DeltaPlus XP, continuous flow, 2×

Wageningen University – Animal Nutrition Group

Wageningen University – Animal Nutrition Group

PO Box 338,6700 AH Wageningen
De Elst 1, 6708 WD Wageningen,NL                                                                                            

Contact
Joost van den Borne
joost.vandenborne@wur.nl
31(0)317482912

Research line
Health and Disease

Topics
Measuring post-absorptive processes in animals, e.g. nutrient oxidation, nutrient fluxes (such as entry rates, turnover and nutrient cycling). Nutrients of study include glucose, amino acids, urea, short chain fatty acids, long chain fatty acids and lactate
Measuring digestive processes, incl. gastric emptying, passage rates of labeled ingredients,
urea recycling (ruminants), uric acid recycling (poultry), absorption rates of short chain fatty acids (ruminants), fermentation.

Isotopes
13C, 15N

Instruments
GC/C/IRMS, SIRIS, EA/C/IRMS