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Electrospray-assisted laser desorption/ionization mass spectrometry for direct ambient analysis of solids.
A new method of electrospray-assisted laser desorption/ionization (ELDI) mass spectrometry, which combines laser desorption with post-ionization by electrospray, was applied to rapid analysis ofExpand
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Mid-chain branched mono- and dimethyl alkanes in hot spring cyanobacterial mats: A direct biogenic source for branched alkanes in ancient sediments?
Hot spring cyanobacterial mats from Yellowstone National Park, U.S.A. and the Orakei Korako thermal area, New Zealand have been found to contain suites of monomethyl alkanes, compounds frequentlyExpand
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Ambient ionization mass spectrometry.
Mass spectrometric ionization methods that operate under ambient conditions and require minimal or no sample pretreatment have attracted much attention in such fields as biomedicine, food safety,Expand
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Eliminating the interferences from TRIS buffer and SDS in protein analysis by fused-droplet electrospray ionization mass spectrometry.
Multiply charged protein ions were detected from the solutions containing a high concentration of tris(hydroxymethyl) aminomethane buffer (TRIS) and sodium dodecyl sulfate (SDS) using fused-dropletExpand
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Relationship of Urinary Phthalate Metabolites with Serum Thyroid Hormones in Pregnant Women and Their Newborns: A Prospective Birth Cohort in Taiwan
Background The purpose of this study was to examine the relationship of phthalates exposure with thyroid function in pregnant women and their newborns. Methods One hundred and forty-eight TaiwaneseExpand
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Melamine contamination
In the summer of 2008, serious illnesses and deaths of babies in China were linked to melamine-tainted powdered infant formula. Melamine contains several metabolites, such as ammeline, ammelide, andExpand
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Detecting large biomolecules from high-salt solutions by fused-droplet electrospray ionization mass spectrometry.
A novel fused-droplet electrospray ionization (FD-ESI) source was developed to generate peptide and protein ions. The sample solution was first ultrasonically nebulized to form fine aerosols. TheExpand
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Characterization of the chemical components on the surface of different solids with electrospray-assisted laser desorption ionization mass spectrometry.
In this study we demonstrate that electrospray-assisted laser desorption ionization (ELDI) mass spectrometry (MS) can be used to rapidly characterize major chemical components on the surfaces ofExpand
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Using electrospray-assisted laser desorption/ionization mass spectrometry to characterize organic compounds separated on thin-layer chromatography plates.
Electrospray-assisted laser desorption/ionization (ELDI), an ionization method that combines laser desorption and electrospray ionization (ESI), can be used under ambient conditions to characterizeExpand
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Detection of native protein ions in aqueous solution under ambient conditions by electrospray laser desorption/ionization mass spectrometry.
Liquid electrospray laser desorption/ionization (ELDI) mass spectrometry allows desorption and ionization of proteins directly from aqueous solutions and biological fluids under ambient conditions.Expand
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