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Hydrogen tetrachloroauric acid

Manufactured by Shanghai Chemical Reagent
Sourced in China

Hydrogen tetrachloroauric acid is a chemical compound with the formula HAuCl4. It is a yellow to reddish-brown crystalline solid that is soluble in water and ethanol. The compound is commonly used as a precursor in the synthesis of various gold compounds and materials.

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2 protocols using hydrogen tetrachloroauric acid

1

Colorimetric Sensing of IL-6 Cytokine

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Hydrogen tetrachloroauric acid (HAuCl4·4H2O), ethanol, potassium hexacyanoferrate (II) (K4 [Fe(CN)6]) trihydrate, potassium hexacyanoferrate (III) (K3 [Fe(CN)6]), and bovine serum albumin (BSA) were brought from Shanghai Chemical Reagent Co., Ltd. China. Trisodium citrate dehydrate (CAS) and potassium chloride (KCl) were purchased from Kaitong Chemical Reagent Co., Ltd. (Tianjin, China). Thionin acetate (TIH) was purchased from Shanghai Maclean Biochemical Technology Co., Ltd. China. The IL-6 antibody and IL-6 antigen were acquired from Abcam. Phosphate-buffered saline (PBS) was bought from Solarbio Co., Ltd. (Beijing, China). All the reagents mentioned above were not further purified. The aqueous solutions used for the experiments were produced by a Millipore Direct-Q Water system (resistivity > 18 MΩ). All the experiments were conducted at room temperature.
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2

Synthesis of Gold Nanoparticles

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CTAB (99%) and PSS (Mw 70,000 Da) were purchased from Sigma. Hydrogen tetrachloroauric acid (HAuCl4·4H2O, 99%), hydrochloric acid (HCl, 37 wt%), silver nitrate (AgNO3), sodium borohydride (NaBH4, 96%), trisodium citrate (C6H5Na3O7·2H2O), sodium chloride (NaCl), and l-ascorbic acid (l-AA) were obtained from Shanghai Chemical Reagent Co., Ltd (China). The Milli-Q water with resistance 18 mΩ was used in all experiments. All glassware was cleaned by aqua regia (HCl/HNO3 in 3:1 v/v) before usage.
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