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Yating Wang,Jianping Ni,Cui Chen,Jinyong Peng,Hongbin Liu 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.6
High-yield pulp (HYP) is gaining increasing interest in papermaking, the presence of anionic trash hasbeen limiting its application in high-end paper products such as fine papers. In order to control the anionictrash ofHYP, the performances of three anionic trash catchers in terms of charge controland fiber fines andfiller retention enhancement were compared in a laboratory study. It was found that a poly-DADMACbased commercial product had the highest efficiency. The use of CPAM/Bentonite system resulted inhighest fiber fines and filler retention. The best anionic trash controlwas achieved when HYPwas treatedseparately.
Shu-Jun Wei,Jing Ni,Kuanyu Zheng,Zhenguo Yang,Daoyan Xie,Aisi Da,Jianping Chai,Xiujun Jiang,Shaoxiang Li 한국응용곤충학회 2018 Journal of Asia-Pacific Entomology Vol.21 No.1
The carmine spider mite, Tetranychus cinnabarinus (Boisduval), is a serious phytophagous mite damaging importantcrops and can rapidly develop resistance to acaricides. Mitochondrial ATP synthase (F1F0 ATP synthase)is an important target site of acaricides. The role of ATP synthase in acaricide resistance remains unclear at themolecular level. In this study, twelve full-length cDNAs of ATP synthase genes were cloned and characterizedfrom T. cinnabarinus and their expression levels were determined for both progargite-resistant and susceptiblestrains. The effect of propargite exposure on gene expression was also evaluated. Analyses of gene expressionrevealed that TcATPsynU-2, TcATPsynF0-2 and TcATPsynF0-4 were significantly down-regulated in the progargite-resistant strain. TcATPsynF0-2 and TcATPsynF0-4 had a strong response to progargite exposure. Theresults suggest that lower levels of TcATPsynU-2, TcATPsynF0-2 and TcATPsynF0-4 expression might be related topropargite-resistance observed in the resistant T. cinnabarinus. This is the first attempt to identify specific ATPasegenes involved in propargite resistance in T. cinnabarinus.