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Thanh Binh Nguyen
Elemental sulfur (S8) was found to react very rapidly (<1 min) with a stoichiometric amount of triphenylphosphine at rt in sufficient amount of solvent (0.2?0.5 mL of solvent/1 mmol of PPh3). Compared to the previously described methods, the present proc...
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Lin Si and Parisa A. Ariya
Mercury is one of the most toxic metals and has global importance due to the biomagnification and bioaccumulation of organomercury via the aquatic food web. The physical and chemical transformations of various mercury species in the atmosphere strongly i...
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Nurul Shahiera Shafie, Nabilah Zaini, Noor Shawal Nasri
Pág. 17
A respirator is a device designed to protect the wearer from inhaling harmful substances such as dust, fumes, vapors, and/or gases. Generally, a respirator can be grouped into two categories which are air purified respirator (APR) and air supply respirat...
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Igor B. Konovalov, Daria A. Lvova and Matthias Beekmann
The balance between the cooling and warming effects of aerosol originating from open biomass burning (BB) critically depends on the ratio of its major absorbing and scattering components, such as elemental carbon (EC) and organic carbon (OC), but availab...
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Norbert Clauer, Isabelle Techer and Sam Chaudhuri
This study is focused on establishing the extent of potential hydraulic connections of local lowland aquifers with the run-off waters of a nearby creek and two major rivers in and around Fort Riley in northeastern Kansas, USA. It is based on collective e...
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Songjie He and Y. Jun Xu
Strontium and barium to calcium ratios are often used as proxies for tracking animal movement across salinity gradients. Many estuarine rivers face saltwater intrusion due to sea level rise, potentially causing changes in mobility and distribution of the...
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José Ariévilo Gurgel Rodrigues, Érico Moura Neto, Gustavo Ramalho Cardoso dos Santos, Regina Célia Monteiro de Paula, Paulo Antônio de Souza Mourão, Norma Maria Barros Benevides
Pág. 203 - 210
Researches on structural chemistry of sulfated polysaccharides (SPs) have been mainly focused on red and brown algae. Caulerpa cupressoides var. lycopodium (Chlorophyta) contains three SPs fractions (Cc-SP1, Cc-SP2 and Cc-SP3). Cc-SP1 and Cc-SP2 had anti...
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