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4 protocols using acetone

1

Synthesis of Fructose Derivatives

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Methanol, dimethylformamide, dichloromethane, acetone, ethyl acetate, trifluoroacetic acid, and petroleum ether were purchased from Tianjin Kermel Chemical Reagent Co., Ltd (China). The above reagents were of analytical grade. Deionized water (filtered through a 0.22 μm membrane filter, >18.2 MΩ cm) was purified using a Milli-Q system from Millipore. Silica gel was purchased from Qingdao Haiyang Chemical Reagent Co., Ltd (China). Phenylalanine ethyl ester, di-O-isopropylidene-2,3:4,5-β-d-fructose and di-O-isopropylidene-2,3:4,5-β-d-fructopyranosyl trifluoromethanesulfonate were synthesized according to ref. 18 and 19 , respectively.
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2

Purification and Characterization of Diuron

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β-CD (purity of 98.00%) and potassium bromide were obtained from Tianjin Guangfu Fine Chemical Research Institute (Tianjin, China). Diuron (purity of 99%) was provided by Shanghai Aladdin Bio-Chem Technology Co., Ltd. (Shanghai, China). Acetone was provided by Tianjin Kermel Chemical Reagent Co., Ltd. (Tianjin, China). Anhydrous ethanol was obtained from Tianjin Zhiyuan Chemical Reagent Co., Ltd. (Tianjin, China).
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3

Versatile Polymer Synthesis Protocol

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The PDMS precursor (Sylgard 184) and a curing agent were purchased from Dow Corning. Zinc chloride (ZnCl2), iron(III) chloride hexahydrate (FeCl3•6H2O), sodium chloride (NaCl), sodium acetate (NaAc), ethanol, sodium hydroxide (NaOH), ethylene glycol (EG), polyethylene glycol (PEG), methylene chloride, toluene, xylene, n-hexane, paraffin oil, silicone oil, dimethyl sulfoxide (DMFO) and acetone were provided by Tianjin Kermel Chemical Reagent Company (Tianjin, China). Hydrochloric acid (HCl) were provided by Luoyang Haohua Chemical Reagent Company (Luoyang, China).
Motor oil (Chery, 10W-40) and PU silicone (PU25) were purchased at local supermarket.
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4

Quantitative Analysis of Organophosphorus Pesticides

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The dopants, acetone and dichloromethane, were of analytical grade and purchased from Tianjin Kermel Chemical Reagent Co., Ltd. (Tianjin, China). Standard solutions of 1000 mg L−1 fenthion, imidan, dursban, dimethoate and malathion and 100 mg L−1 isocarbophos and fenitrothion were purchased from AccuStandard, Inc. (New Haven, CT, USA). Lower concentrations of the OPPs were obtained by the successive dilution of standard solutions with methanol.
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