Results 141 to 150 of about 1,225 (202)

Metal Ion Isotope Ratio Using ESI-Orbitrap HRMS: Proof of Concept and Initial Performance Evaluation for Lead Isotopic Ratios. [PDF]

Anal Chem
Roncoroni G, Spanu D, Binda G, Monticelli D.   +3 more
europepmc   +1 more source

Effects of Faraday cup deterioration on Sr and Cr isotope analyses by thermal ionization mass spectrometry.

J Anal At Spectrom
Schneider JM, Kleine T.
europepmc   +1 more source

Online Isotope Analysis of Sulfur in Proteins via Capillary Electrophoresis Coupled With Multicollector ICP-MS (CE/MC-ICP-MS): A Proof of Concept Study. [PDF]

Electrophoresis
Tukhmetova D, Langhammer N, Vogl J, Meermann B.   +3 more
europepmc   +1 more source

Compositions of iron-meteorite parent bodies constrain the structure of the protoplanetary disk. [PDF]

Proc Natl Acad Sci U S A
Zhang B, Chabot NL, Rubin AE.
europepmc   +1 more source

Sampling Mars: Geologic context and preliminary characterization of samples collected by the NASA Mars 2020 Perseverance Rover Mission. [PDF]

Proc Natl Acad Sci U S A
Herd CDK, Bosak T, Hausrath EM, Hickman-Lewis K, Mayhew LE, Shuster DL, Siljeström S, Simon JI, Weiss BP, Wadhwa M, Zorzano MP, Maki JN, Farley KA, Stack KM.   +13 more
europepmc   +1 more source

Evolution of phosphate scouting in the terrestrial biosphere. [PDF]

Philos Trans R Soc Lond B Biol Sci
Abel S, Naumann C.
europepmc   +1 more source

Prebiotic organic compounds in samples of asteroid Bennu indicate heterogeneous aqueous alteration. [PDF]

Proc Natl Acad Sci U S A
Mojarro A, Aponte JC, Dworkin JP, Elsila JE, Glavin DP, Connolly HC, Lauretta DS.   +6 more
europepmc   +1 more source

Actinide Elemental Ratios of Spent Nuclear Fuel Samples by Resonance Ionization Mass Spectrometry. [PDF]

J Am Soc Mass Spectrom
Raiwa M, Savina MR, Roberts AG, Shulaker DZ, Isselhardt BH.   +4 more
europepmc   +1 more source

Gamma activity concentrations of ²²⁶Ra, ²³²Th, ⁴⁰K, and health hazard assessments of granites from Wadi El-Nabi' mining area, Egyptian Nubian Shield. [PDF]

Sci Rep
Shereif AS, Heikal MTS, El Ela ASA, El Shabasy A, Masoud AE, Csámer Á.   +5 more
europepmc   +1 more source