Nickel chloride hexahydrate nicl2.6h2o

The materials and reagents used in this study include: nickel chloride hexahydrate (NiCl₂.6H₂O) were purchased from Sigma-Aldrich; Mueller Hinton Agar (MHA) from Millipore, Sigma-Aldrich; Ciprofloxacin discs from Oxoid™, Thermo Fisher Scientific, Dimethyl Sulfoxide from Sigma-Aldrich; Medium 199 from Sigma-Aldrich; fetal bovine serum (FBS) from Thermo Fisher Scientific; Amphotericin B from Merk, Sigma-Aldrich; 2,2-Diphenyl-1-picrylhydrazyl from Sigma-Aldrich; alpha-amylase and glucosidase from Sigma-Aldrich; MCF-7 cell lines from Sigma-Aldrich, Gillingham, UK; and RPMI-1640 medium from Gibco™, Thermo Fisher Scientific.

All reagents were used as received.
Ethanol (Sinopharm Chemical Reagent Beijing Co., Ltd., Beijing, China), Sodium Hypophosphite (NaH₂PO₂, 99%, Innochem Technology Co., Ltd., Beijing, China), Nickel chloride hexahydrate (NiCl₂·6H₂O, 99.9%, Sigma-Aldrich, Shanghai, China), Potassium hydroxide (KOH, Sinopharm Chemical Reagent Beijing Co., Ltd., Beijing, China), Light magnesium oxide (MgO, Sinopharm Chemical Reagent Beijing Co., Ltd., Beijing, China), 1,10-Phenanthroline (C₁₂H₈N₂, J&K Scientific, Beijing, China), Nafion solution (Sigma-Aldrich, Shanghai, China), Triphenylmethane, (C₁₉H₁₆, J&K Scientific, Beijing, China), 20 wt % Pt on Vulcan XC-72R (Johnson Matthey Corporation, Beijing, China).

Analytical reagent (AR) grade zinc acetate dihydrate (Zn(CH₅CO₃)₂·2H₂O) (Sigma-Aldrich), Nickel chloride hexahydrate (NiCl₂·6H₂O) (Sigma-Aldrich), sodium thiosulfate pentahydrate (Na₂S₂O₃·5H₂O) (Spectrum), potassium hydroxide (KOH) (Merck), sodium hydroxide (Merck), N,N-Dimethylformamide (Alfa Aesar), MAPbI₃ (Solaronix SA) were utilized without further purification.