Understanding prebiotic chemistry through the analysis of extraterrestrial amino acids and nucleobases in meteorites
The discoveries of amino acids of extraterrestrial origin in many meteorites over the last 50
years have revolutionized the Astrobiology field. A variety of non-terrestrial amino acids …
years have revolutionized the Astrobiology field. A variety of non-terrestrial amino acids …
Stable isotope fractionation to investigate natural transformation mechanisms of organic contaminants: principles, prospects and limitations
M Elsner - Journal of Environmental Monitoring, 2010 - pubs.rsc.org
Gas chromatography–isotope ratio mass spectrometry (GC-IRMS) has made it possible to
analyze natural stable isotope ratios (eg, 13C/12C, 15N/14N, 2H/1H) of individual organic …
analyze natural stable isotope ratios (eg, 13C/12C, 15N/14N, 2H/1H) of individual organic …
Measurement of position-specific 13C isotopic composition of propane at the nanomole level
We have developed a novel method for analyzing intramolecular carbon isotopic distribution
of propane as a potential new tracer of its origin. The method is based on on-line pyrolysis of …
of propane as a potential new tracer of its origin. The method is based on on-line pyrolysis of …
The isotopic anatomies of molecules and minerals
JM Eiler - Annual Review of Earth and Planetary Sciences, 2013 - annualreviews.org
Most natural compounds are composed of diverse isotopologues that differ in the number
and/or symmetrically unique atomic locations of isotopic substitutions. Little of this isotopic …
and/or symmetrically unique atomic locations of isotopic substitutions. Little of this isotopic …
Establishing the accuracy of position‐specific carbon isotope analysis of propane by GC‐pyrolysis‐GC‐IRMS
Rationale Position‐specific (PS) δ13C values of propane have proven their ability to provide
valuable information on the evolution history of natural gases. Two major approaches to …
valuable information on the evolution history of natural gases. Two major approaches to …
Carbon and nitrogen isotope analysis of atrazine and desethylatrazine at sub-microgram per liter concentrations in groundwater
K Schreglmann, M Hoeche, S Steinbeiss… - Analytical and …, 2013 - Springer
Environmental degradation of organic micropollutants is difficult to monitor due to their
diffuse and ubiquitous input. Current approaches—concentration measurements over time …
diffuse and ubiquitous input. Current approaches—concentration measurements over time …
The surprising effect of temperature on the weathering of gasoline
HL Birks, AR Cochran, TJ Williams, GP Jackson - Forensic Chemistry, 2017 - Elsevier
During the identification of ignitable liquid residues in fire debris, it is well known that
evaporative losses result in a general increase in the abundance of non-volatile residues …
evaporative losses result in a general increase in the abundance of non-volatile residues …
Determination of position-specific carbon isotope ratios of propane from natural gas
Y Li, L Zhang, Y Xiong, S Gao, Z Yu - Organic Geochemistry, 2018 - Elsevier
On-line gas chromatography–pyrolysis coupled to gas chromatography–isotope ratio mass
spectrometry was used here for the position-specific isotope analysis (PSIA) of propane …
spectrometry was used here for the position-specific isotope analysis (PSIA) of propane …
[图书][B] Environmental forensics fundamentals: A practical guide
IG Petrisor - 2014 - books.google.com
A Practical Guide to Environmental Crime Scene Investigations Releasing contaminants into
the environment—whether deliberate or unintentional—can be thought of as a crime against …
the environment—whether deliberate or unintentional—can be thought of as a crime against …
Weathering of ignitable liquids at elevated temperatures: a thermodynamic model, based on laws of ideal solutions, to predict weathering in structure fires
IC Willis, Z Fan, JT Davidson, GP Jackson - Forensic Chemistry, 2020 - Elsevier
This manuscript provides experimental evidence and a strong theoretical basis that
weathering at elevated temperatures (up to 210° C) results in significantly different …
weathering at elevated temperatures (up to 210° C) results in significantly different …