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Helium: Helium. A noble gas with the atomic symbol He, atomic number 2, and atomic weight 4.003. It is a colorless, odorless, tasteless gas that is not combustible and does not support combustion. It was first detected in the sun and is now obtained from natural gas. Medically it is used as a diluent for other gases, being especially useful with oxygen in the treatment of certain cases of respiratory obstruction, and as a vehicle for general anesthetics. (Dorland, 27th ed)

Isolation of Mandibular Gland Reservoir Contents from Bornean 'Exploding Ants' (Formicidae) for Volatilome Analysis by GC-MS and MetaboliteDetector

1Center for Analytical Chemistry, Department of Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences Vienna (BOKU), Austria, 2Institute of Chemical, Environmental and Biological Engineering, TU Vienna, Austria, 3Department of Computational Biology of Infection Research, Helmholtz Centre for Infection Research, Germany, 4Institute for Biochemistry, Biotechnology and Bioinformatics, University of Technology (TU) Braunschweig, Germany, 52nd Zoological Department, Natural History Museum Vienna, Austria, 6Chemical Sciences, Universiti Brunei Darussalam, Brunei, 7Environmental and Life Sciences, Universiti Brunei Darussalam, Brunei

JoVE 57652

 Environment

Single-throughput Complementary High-resolution Analytical Techniques for Characterizing Complex Natural Organic Matter Mixtures

1Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, 2Department of Soil, Water and Environmental Science, University of Arizona, 3Department of Earth Ocean and Atmospheric Sciences, Florida State University, 4Bruker Daltonics Inc., 5Biological Sciences Division, Pacific Northwest National Laboratory

JoVE 59035

 Environment
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