Spectrom., 2007, 22, 1145-1151Caenorhabditis Elegans as a Model to Study Molecular Mechanisms of Methylmercury Toxicity Instrumentation: Thermo Finnigan Element 2 Author: Kirsten Jeanne Helmcke References: Vanderbilt University - Title page for ETD etd-01142010-160908Hormetic effect of methylmercury on Caenorhabditis elegans Instrumentation: Thermo Finnigan Element 2 Author: Kirsten Jeanne Helmcke, Michael Aschner References: Toxicology and Applied Pharmacology Volume 248, Issue 2, 15 October 2010, Pages 156-16Characterization of the effects of methylmercury on Caenorhabditis elegans Instrumentation: Thermo Finnigan Element 2 Author: Kirsten J. Miller III, Michael Aschner References: Toxicology and Applied Pharmacology Volume 240, Issue 2, 15 October 2009, Pages 265-272The painful metal-on-metal hip resurfacing Instrumentation: Perkin Elmer ELAN DRC II Author: The Journal of Bone and Joint Surgury Charing Cross Hospital References: The Journal of Bone and Joint Surgury Charing Cross Hospital Determination of trace metals in seawater by an automated flow injection ion chromatograph pretreatment system with ICPMS Instrumentation: Thermo Element XR Author: Tung-Yuan Hoa, Chia-Te Chiena, Bing-Nan Wanga, Archava Siriraks References: Talanta. Epub 2010 Aug 7The in vitro effects of selenomethionine on methylmercury-induced neurotoxicity Instrumentation: Thermo Finnigan Element 2 Author: Parvinder Kaur, Lars Evje, Michael Aschner, Tore Syversen References: Toxicol In Vitro. Epub 2009 Jan 6Determination of PAHs, PCBs, Minerals, Trace Elements, and Fatty Acids in Rapana thomasiana as an Indication of Pollution Instrumentation: Thermo Finnigan Element 2 Author: Jacek Namiesnik References: J AOAC Int. 761-764 Read Abstract Influence of wildfires on apatite and zircon (U-Th)/He ages Instrumentation: Author: Sara Gran Mitchell and Peter W. Smith References: RUTGERS THE STATE UNIVERSITY OF NEW JERSEY - NEW BRUNSWICK, 2008, 195 pages; 3349591 The Transport, Transformation, and Trophic Transfer of Bioactive Metals in an Urban Impacted Buoyant River Plume Instrumentation: Thermo Finnigan Element & Element XR Author: Derek D. Brandon, Raymond A Donelick, Stefan Nicolescu References: American Journal of Science, 2003 June, 303, 489-518 Read Abstract Analyzing Semiconductor Samples With the ELAN DRC II ICP Mass Spectrometer Instrumentation: Author: Arthur F. Wolf, Katsu Kawabata, J-M Collard, Robert Thomas References: Atomic Spectroscopy, 2003 March/April, 24(2), 37-39 Read Abstract Extremely light Li in orogenic eclogites: The role of isotope fractionation during dehydration in subducted oceanic crust Instrumentation: Author: Thomas Zack, Paul B.
Calcium-aluminium-rich inclusions—the oldest known solid constituents within meteorites that are formed within the Solar System—are 4.567 billion years old, giving an age for the Solar System and an upper limit for the age of Earth.These layers often contained fossilized remains of unknown creatures, leading some to interpret a progression of organisms from layer to layer.In the mid-18th century, the naturalist Mikhail Lomonosov suggested that Earth had been created separately from, and several hundred thousand years before, the rest of the universe. In 1779 the Comte du Buffon tried to obtain a value for the age of Earth using an experiment: He created a small globe that resembled Earth in composition and then measured its rate of cooling.The Antarctic Vostok ice core provided compelling evidence of the nature of climate, and of climate feedbacks, over the past 420,000 years.Marine records suggest that the amplitude of climate variability was smaller before that time, but such records are often poorly resolved.Like all elements, oxygen is made up of a nucleus of protons and neutrons, surrounded by a cloud of electrons.All oxygen atoms have 8 protons, but the nucleus might contain 8, 9, or 10 neutrons.by Holli Riebeek • May 6, 2005 Oxygen is one of the most significant keys to deciphering past climates.Oxygen comes in heavy and light varieties, or isotopes, which are useful for paleoclimate research. References: Applied Spectroscopy, 2003 57(9), 1162-1166 Read Abstract Determination of halogens in organic compounds by high resolution inductively coupled plasma mass spectrometry (HR-ICP-MS) Instrumentation: Author: Xiaodong Bu, Tiebang Wang and Gene Hall References: Journal of Analytical Atomic Spectrometry, 2003, 18, 1443-1451 Read Abstract Zircon (U-Th)/He thermochronometry: He diffusion and comparisons with 40Ar/ 39Ar dating Instrumentation: Author: Peter W. Wright References: RUTGERS THE STATE UNIVERSITY OF NEW JERSEY - NEW BRUNSWICK, 2008, 188 pages; 3344848 Determination of Dibutyltin in Sediments Using Isotope Dilution Liquid Chromatography-Inductively Coupled Plasma Mass Spectrometry Instrumentation: Author: Yong-Hyeon Yim, Ji Youn Park, Myung Sub Han, Mi-Kyung Park, Byungjoo Kim, Youngran Lim, Euijin Hwang, and Hun-Young So References: Bulletin of the Korean Chemistry Society, 440 2005, 26(3), 440-446 Read Abstract Multi-Analyte Calibration Curve for High-Performance Liquid Chromatography with an Inductively Coupled Plasma Carbon Emission Detector Instrumentation: Author: Peters, Heather L.; Hou, Xiandeng; Jones, Bradley T. Zanetti References: Geochimica et Cosmochimica Acta, 2004, 68(8), 1857-1887 Read Abstract Post-orogenic evolution of the Dabie Shan, eastern China, from (U-Th)/He and fission-track thermochronology Instrumentation: Author: Peter W. It is hypothesised that the accretion of Earth began soon after the formation of the calcium-aluminium-rich inclusions and the meteorites.Because the exact amount of time this accretion process took is not yet known, and the predictions from different accretion models range from a few million up to about 100 million years, the exact age of Earth is difficult to determine.Moreover, it is not possible to infer the abundance of greenhouse gases in the atmosphere from marine records.