Search Results - "Harper, David. B."
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Chloride methylation by plant pectin: An efficient environmentally significant process
Published in Science (American Association for the Advancement of Science) (11-07-2003)“…Atmospheric chloromethane (CH3Cl) plays an important role in stratospheric ozone destruction, but many uncertainties exist regarding the strengths of its…”
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Cold Air Outbreaks Promote New Particle Formation Off the U.S. East Coast
Published in Geophysical research letters (16-03-2022)“…New particle formation (NPF) is the dominant contributor to total particle number concentration and plays an important role in the cloud condensation nuclei…”
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Differential absorption lidar measurements of water vapor by the High Altitude Lidar Observatory (HALO): retrieval framework and first results
Published in Atmospheric measurement techniques (04-02-2022)“…Airborne differential absorption lidar (DIAL) offers a uniquely capable solution to the problem of measuring water vapor (WV) with high precision, accuracy,…”
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Evaluation of the High Altitude Lidar Observatory (HALO) methane retrievals during the summer 2019 ACT-America campaign
Published in Atmospheric measurement techniques (15-08-2022)“…The NASA Langley Research Center High Altitude Lidar Observatory (HALO) is a multi-functional and modular lidar developed to address the observational needs of…”
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Assessment of NAAPS-RA performance in Maritime Southeast Asia during CAMP2Ex
Published in Atmospheric chemistry and physics (01-10-2022)“…Monitoring and modeling aerosol particle life cycle in Southeast Asia (SEA) is challenged by high cloud cover, complex meteorology, and the wide range of…”
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Retrieving UV–Vis spectral single-scattering albedo of absorbing aerosols above clouds from synergy of ORACLES airborne and A-train sensors
Published in Atmospheric measurement techniques (18-04-2024)“…Inadequate knowledge about the complex microphysical and optical processes of the aerosol–cloud system severely restricts our ability to quantify the resultant…”
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High Spectral Resolution Lidar – Generation 2 (HSRL-2) Retrievals of Ocean Surface Wind Speed: Methodology and Evaluation
Published in Atmospheric measurement techniques (10-06-2024)“…Ocean surface wind speed (i.e., wind speed 10 m above sea level) is a critical parameter used by atmospheric models to estimate the state of the marine…”
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Chloromethane release from carbonaceous meteorite affords new insight into Mars lander findings
Published in Scientific reports (13-11-2014)“…Controversy continues as to whether chloromethane (CH 3 Cl) detected during pyrolysis of Martian soils by the Viking and Curiosity Mars landers is indicative…”
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9
Fluorine-containing natural products
Published in Journal of fluorine chemistry (01-12-1999)“…It is now more than 50 years since the first fluorinated natural product was identified. In that time only about a dozen fluorinated natural products have been…”
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Stable hydrogen isotope ratios of lignin methoxyl groups as a paleoclimate proxy and constraint of the geographical origin of wood
Published in The New phytologist (01-01-2007)“…Stable isotope ratios of organic compounds are valuable tools for determining the geographical origin, identity, authenticity or history of samples from a vast…”
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The global chloromethane cycle: biosynthesis, biodegradation and metabolic role
Published in Natural product reports (01-01-2000)Get more information
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Composite global emissions of reactive chlorine from anthropogenic and natural sources: Reactive Chlorine Emissions Inventory
Published in Journal of Geophysical Research (20-04-1999)“…Emission inventories for major reactive tropospheric Cl species (particulate Cl, HCl, ClNO2, CH3Cl, CHCl3, CH3CCl3, C2Cl4, C2HCl3, CH2Cl2, and CHClF2) were…”
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13
Halomethane from halide ion--a highly efficient fungal conversion of environmental significance
Published in Nature (London) (01-01-1985)Get full text
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Identification of a phenolic 3-O-methyltransferase in the lignin-degrading fungus Phanerochaete chrysosporium
Published in Microbiology (Society for General Microbiology) (01-06-1997)“…1 Microbial Biochemistry Section, Department of Food Science, The Queen's University of Belfast, Newforge Lane, Belfast BT9 5PX, UK 2 Food Science Division,…”
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Enzyme-catalysed synthesis and reactions of benzene oxide/oxepine derivatives of methyl benzoates
Published in Organic & biomolecular chemistry (01-01-2008)“…A series of twelve benzoate esters was metabolised, by species of the Phellinus genus of wood-rotting fungi, to yield the corresponding benzyl alcohol…”
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Aminobacter ciceronei sp. nov. and Aminobacter lissarensis sp. nov., isolated from various terrestrial environments
Published in International journal of systematic and evolutionary microbiology (01-09-2005)“…1 Department of Biological Sciences, University of Warwick, Coventry CV4 7AL, UK 2 Institut für Angewandte Mikrobiologie, Justus-Liebig-Universität Giessen,…”
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Purification and properties of an S-adenosylmethionine: 2,4-disubstituted phenol O-methyltransferase from Phanerochaete chrysosporium
Published in Applied and Environmental Microbiology (01-03-1993)“…An enzyme catalyzing the O-methylation of acetovanillone (3-methoxy-4-hydroxyacetophenone) by S-adenosylmethionine was isolated from Phanerochaete…”
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Carbon Isotope Ratios for Chloromethane of Biological Origin: Potential Tool in Determining Biological Emissions
Published in Environmental science & technology (15-09-2001)“…Chloromethane (CH3Cl) with a global atmospheric burden of 5.3 million t is the most abundant halocarbon in the atmosphere. However, the origin of ca. 50% of…”
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Analysis of genes involved in methyl halide degradation in Aminobacter lissarensis CC495
Published in FEMS microbiology letters (01-10-2005)“…Aminobacter lissarensis CC495 is an aerobic facultative methylotroph capable of growth on glucose, glycerol, pyruvate and methylamine as well as the methyl…”
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Halomethane:Bisulfide/Halide Ion Methyltransferase, an Unusual Corrinoid Enzyme of Environmental Significance Isolated from an Aerobic Methylotroph Using Chloromethane as the Sole Carbon Source
Published in Applied and Environmental Microbiology (01-10-1999)“…Classifications Services AEM Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley Reddit…”
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