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The ERA‐40 re‐analysis
ERA-40 is a re-analysis of meteorological observations from September 1957 to August 2002 produced by the European Centre for Medium-Range Weather Forecasts (ECMWF) in collaboration with manyExpand
Evaluation of antioxidant property of extract and fractions obtained from a red alga, Polysiphonia urceolata
Antioxidant activity (AA), total phenolic content, and reducing power of the crude extract, fractions, and subfractions derived from a red alga, Polysiphonia urceolata, were evaluated and determined.Expand
Altitude dependence of polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) in surface soil from Tibetan Plateau, China.
Remote mountain areas besides high latitude regions are beginning to receive increased attention in studying the transport and behavior of persistent organic pollutants (POPs). In the present work,Expand
Patterns and sources of PCDD/Fs and dioxin-like PCBs in surface sediments from the East River, China.
Sediments were characterized by the elevated levels of PCDDs, especially OCDD, and source analysis revealed that PCDD/Fs in the sediments from Guangzhou were mainly from the secondary copper smelters and steel-making plants, and PCDD-like polychlorinated biphenyls from MSWIs were unlikely to be the main sources. Expand
7-Nor-ergosterolide, a pentalactone-containing norsteroid and related steroids from the marine-derived endophytic Aspergillus ochraceus EN-31.
The first example of a 7-nor-ergosteroid possessing a pentalactone B-ring system in a naturally occurring steroid, displayed cytotoxicity against NCI-H460, SMMC-7721, and SW1990 cell lines with IC(50) values of 5.0, 7. Expand
Cytoglobosins A-G, cytochalasans from a marine-derived endophytic fungus, Chaetomium globosum QEN-14.
The structures of the new natural products as well as their relative configurations were elucidated on the basis of 1D and 2D NMR spectra (COSY, HSQC, HMBC, and NOESY) and HRESIMS data. Expand
Evaluation of atmospheric sources of PCDD/Fs, PCBs and PBDEs around a steel industrial complex in northeast China using passive air samplers.
Air concentrations of PCDD/Fs in winter were higher than those of summer, whereas the concentrations of PCBs and PBDEs showed opposite trends, which implied that the industrial activities of iron and steel had not resulted in serious contamination to the ambient air in this area. Expand
Natural bromophenols from the marine red alga Polysiphonia urceolata (Rhodomelaceae): structural elucidation and DPPH radical-scavenging activity.
Three new natural occurring bromophenols were isolated and identified from the marine red alga Polysiphonia urceolata and the structures of these compounds were elucidated by extensive analysis of 1D and 2D NMR and IR spectra and MS data. Expand
Benzodiazepine Alkaloids from Marine-Derived Endophytic Fungus Aspergillus ochraceus
A new fungus-derived benzodiazepine analogue, 2-hydroxycircumdatin C (1), and a compound which has been isolated from a natural resource for the first time, but has been previously synthesized,Expand
Nigerasperones A~C, New Monomeric and Dimeric Naphtho-γ-pyrones from a Marine Alga-derived Endophytic Fungus Aspergillus niger EN-13
Three new naphtho-γ-pyrones and nine related known compounds were characterized from Aspergillus niger EN-13, an endophytic fungus isolated from the marine brown alga Colpomenia sinuosa and showed weak antifungal activity against Candida albicans and moderate activity on DPPH scavenging. Expand