175 items found

Types: publication Tags: Biotechnology Ecology Environmental Sciences not elsewhere classified Space Science

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  • publication

    Factors Influencing Mobile Source Particulate Matter Emissions-to-Exposure Re...

    Benefit−cost and regulatory impact analyses often use atmospheric dispersion models with coarse resolution to estimate the benefits of proposed mobile source emission control...
  • publication

    r37980778c78--308e0d829603d8f8f45ed47c2eb7a3bc

    Exposure to diesel exhaust (DE) has been associated with acute cardiopulmonary and vascular responses, chronic noncancer health effects, and respiratory cancers in humans. To...
  • publication

    On the Stereospecific Conversion of Proximally-Oxygenated Trisubstituted Viny...

    Allylically oxygenated vinyl α-triphenylstannanes such as 22 can be readily converted into vinyl iodides and thereafter stereodefined trisubstituted alkenes with retention of...
  • publication

    Generation and Characterization of Four Dilutions of Diesel Engine Exhaust fo...

    Exposure atmospheres for a rodent inhalation toxicology study were generated from the exhaust of a 2000 Cummins ISB 5.9L diesel engine coupled to a dynamometer and operated on a...
  • publication

    Layer-by-Layer Deposition of Block Copolymer Nanofibers and Porous Nanofiber ...

    We report in this paper the preparation of multilayer films from the layer-by-layer deposition of block copolymer nanofibers bearing carboxyl and amine groups in their coronas....
  • publication

    Soft Chemical Conversion of Layered Double Hydroxides to Superparamagnetic Sp...

    We report the synthesis of a wide range of single-crystal spinel platelets with exposed (111) faces, lateral dimensions in the micrometer range, and thicknesses of 20–50 nm,...
  • publication

    Determination of the Physical State of Drug Molecules in Mesoporous Silicon w...

    Mesoporous silicon microparticles with three various surface chemistries and eight different average pore diameters for each surface modification, ranging from 11 to 75 nm, were...
  • publication

    Five-Stage Environmental Exposure Assessment Strategy for Mixtures:  Gasoline...

    A five-stage strategy is suggested for conducting an exposure assessment of mixtures that may contain numerous chemical components. The stages are:  (1) determination of mixture...
  • publication

    Reduction of Particulate Matter Emissions from Diesel Backup Generators Equip...

    Diesel particulate matter (PM) reduction efficiencies for backup generators (BUGs) (>300 kW) equipped with a diesel oxidation catalyst (DOC), DOC+fuel-borne catalyst additive...
  • publication

    Quartz Crystal Microbalances for Microscale Thermogravimetric Analysis

    A new method for analyzing the chemical purity and consistency of microscale samples with a quartz crystal microbalance (QCM) sensor platform is described. The QCM is used to...
  • publication

    Quantification of Local and Global Benefits from Air Pollution Control in Mex...

    Complex sociopolitical, economic, and geographical realities cause the 20 million residents of Mexico City to suffer from some of the worst air pollution conditions in the...
  • publication

    r37980778c78--7c68a5e3468f75ccc099ef67c700594b

    The bioaccumulation of readily desorbable naphthalene and that of desorption-resistant naphthalene in earthworms were compared to examine the effect of desorption resistance on...
  • publication

    r37980778c78--afed64e2f3e023b15a66379eeeecc4ce

    The influence of bacterial flagella on cell transport has been examined using three Salmonella enterica serovars with different motility phenotypes. Both a packed bed (PB)...
  • publication

    r37980778c78--7f3bca44e1fc447a1f94c0ab6c490e8e

    The mesophase structure of ordered periodic mesoporous organosilicas (PMOs) can be easily adjusted under basic conditions by variation of the sodium hydroxide concentration....
  • publication

    Total Synthesis and Structure Confirmation of Leptofuranin D

    A convergent total synthesis of leptofuranin D is described. The linear polyketide C12−C24 segment was assembled through addition of a chiral allenylzinc reagent, derived from...
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    Including sorption to black carbon in modelling bioaccumulation of polycyclic...

    Model estimations of bioaccumulation of polycyclic aromatic hydrocarbons (PAHs) have been higher than field or laboratory data. This has been explained by strong sorption to...
  • publication

    Occurrence of a New Generation of Disinfection Byproducts<sup>†</sup>

    A survey of disinfection byproduct (DBP) occurrence in the United States was conducted at 12 drinking water treatment plants. In addition to currently regulated DBPs, more than...
  • publication

    Nature of the Bottom t<sub>2</sub><sub>g</sub>-Block Bands of Layered Perovsk...

    The electronic structure of a series of double layer (Sr3V2O7, KLaNb2O7, Li2SrNb2O7, RbLaNb2O7, Rb2LaNb2O7) as well as triple layer (Ca4Ti3O10, K2La2Ti3O10, Sr4V3O9.7,...
  • publication

    r37980778c78--75e23e990b2d10803577b1f5bf2b9096

    Direct conversion of epoxides to aziridines was achieved with guanidines as a nitrogen source. Stereochemical inversion at the chiral centers of epoxides was observed without...
  • publication

    Environmental and Sustainability Factors Associated With Next-Generation Biof...

    In this paper, we assess what is known or anticipated about environmental and sustainability factors associated with next-generation biofuels relative to the primary...