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The production of cyanobacterial toxins microcystins (MCs) by cyanobacterial bloom which may promote the growth of tumor in human liver is a growing environmental problem worldwide. In this paper, the adsorption of MC-RR and LR, which were extracted from cyanobacterial cells in Dianchi Lake in China, by carbon nanotubes (CNTs), wood-based activated carbon(More)
Sulfur mustard (SM) is a highly reactive alkylating vesicant and causes blisters upon contact with skin, eyes, and respiratory organs. It covalently links with DNAs by forming four mono- or cross-link adducts. In this article, the reference standards of SM-DNA adducts and deuterated analogues were first synthesized with simplified procedures containing only(More)
Cucumber (Cucumis sativus L.) seeds were pretreated with exogenous abscisic acid (ABA) prior to germination. After germination, seedlings with three leaves were exposed to gradual dehydration. The effects of ABA on photosynthetic rate (Pn), daily water loss (WL) and water utilization efficiency (WUE) during dehydration were investigated, in addition to the(More)
Ginger (Zingiber officinale Rosc.) somatic hybridization was attempted by using polyethylene glycol (PEG)-mediated protoplast fusion. Protoplasts of three ginger cultivars isolated from the embryogenic cell suspensions were fused with each other. The highest binary fusion rate [13.5% in the fusion of ginger ‘Lushan Zhangliang jiang’ + ‘Chenggu Huang Jiang’(More)
Low light is one of the most important factors affecting cucumber growth in winter solar greenhouses in northern China. Whether induction light intensity has an effect on expressions of rbcL, rbcS and rca genes in cucumber leaves grown under low light for long periods of time remains unclear. Here, two genotypes of cucumber were used to determine the(More)
The analysis of biological samples can provide qualitative and quantitative evidence of exposure to sulfur mustard (SM). N7-(2-hydroxyethylthioethyl) guanine (N7-HETEG) is the most abundant DNA adduct and one of the biomarkers of SM exposure. For the detection and validation of SM exposure, a sensitive high performance liquid chromatography-tandem mass(More)
A simple, fast, sensitive and robust method for the determination of the sulfur mustard (SM) exposure biomarker-N(7)-[2-[(2-hydroxyethyl)thio]-ethyl]guanine (HETEG) was reported using high-performance liquid chromatography-positive electrospray tandem mass spectrometry (HPLC-ESI-MS/MS), working in multiple reaction monitor (MRM) mode. The method provided(More)
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