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This study investigated heavy metals in soils and agricultural products near an industrial district in Dongguan City. The concentrations of Cu, Zn, Pb, Cd, Hg, and As in soil and agricultural products from vegetable and banana fields were determined. Results indicated that except for Zn in one sample and Cd in five samples, the majority of the samples were notably enriched by heavy metals compared...
This study investigated the role of autophagy in the survival of the invasive bacterium Brucella melitensis strain 16M in murine macrophages. Here, Brucella melitensis 16M was found to trigger autophagosome formation, enhance autophagy flux and increase the expression level of the autophagy marker protein LC3-II. When autophagy was pharmacologically inhibited by 3-methyladenine (3-MA), Brucella replication...
We studied the phylogeography of Swertia tetraptera Maxim, which is an annual herbaceous plant endemic to the Qinghai-Tibetan Plateau (QTP), by sequencing one intergenic chloroplast spacer, trnL-trnF (773 bp). The sampling design included 35 populations and 399 individuals, and spanned the entire distribution of the species. Forty-four haplotypes were characterized, and one of them was widely distributed...
The effect was studied of injected position of cultured cumulus cells as donor cells for nuclear transfer on the process of in vitro matured reconstructed porcine oocytes. The cumulus-oocyte complexes (COCs) obtained from ovaries were cultured in NCSU-23 maturation medium. The cumulus cells were separated from matured COCs, and cultured in DMEM medium (10% fetal calf serum,FCS) for up to 4 passages...
Vitamin D (represented by D2 or D3) is considered essential for normal calcium homeostasis. It is either synthesized in the skin following ultraviolet-B irradiation of provitamin D3 (7-dehydrocholesterol), or ingested in the diet as vitamin D2 or vitamin D3. Most neotropical bats are nocturnal, roost in dark places, and consume diets that lack vitamin D and thus have no other known source of this...
Water is a resource of increasing scarcity due to continual expansion of production. Many authors have focused on wastewater recycling for industry and municipal wastewater plants, but wastewater recycling at the community level still lacks a full discussion. This paper focuses on the issue involving only household wastewater recycling which is separated into graywater and blackwater by households...
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