Ammonium chloride (NH4Cl), magnesium sulfate heptahydrate (MgSO4·7H2O), calcium chloride dihydrate (CaCl2·2H2O), Sodium phosphate dibasic (Na2HPO4), potassium dihydrogen phosphate (KH2PO4), iron (III) chloride hexahydrate (FeCl3·6H2O), sodium hydroxide (NaOH), sodium bicarbonate (NaHCO3), potassium chloride (KCl), potassium hydroxide (KOH), ethanol, Luria-Bertani medium, agarose gel, osmium acid were purchased from Aladdin Industrial Corporation, China. Anhydrophosphoric acid, 4-aminobenzoic acid, hydrochloric acid, glutaraldehyde, acetone, potassium hexacyanoferrate (III) (K3[Fe(CN)6]), sodium acetate were purchased from Sinopharm Chemical Reagent Co. Ltd. China.
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