Anhydrous 1 5 pentanediol

Silver nitrate (AgNO₃, ≥99%), anhydrous 1,5-pentanediol (PD, ≥97%), poly(vinylpyrrolidone) (PVP, average Mw = 55,000 g mol⁻¹), 1H,1H,2H,2H-perfluorodecanethiol (PFDT, ≥97%), 4-mercaptophenylboronic acid (4-MPBA, ≥90%) and, dodecane (C₁₂H₂₆, anhydrous, ≥99%), D-(+)-galactose (C₆H₁₂O₆, ≥99%), D-(+)-glucose (dextrose C₆H₁₂O₆, ≥99.5%, GC) were purchased from Sigma Aldrich. Copper (II) chloride was purchased from Alfa Aesar. Glucosylceramides (GlcCer C8), GlcCer(β) ceramide (d18:1/8:0 ≥ 99%); GlcCer C12, GlcCer(β) ceramide (d18:1/12:0 ≥ 99%); GlcCer C16, GlcCer(β) ceramide (d18:1/16:0 ≥ 99%); GlcCer C18, GlcCer(β) ceramide (d18:1/18:0 ≥ 99%); GlcCer C24:1 GlcCer(ß) ceramide (d18:1/24:1(15Z) ≥ 99%) and galactosylceramide (GalCer C8), GalCer(β) ceramide (d18:1/8:0 ≥ 99%); GalCer C12 GalCer(β) ceramide (d18:1/12:0 ≥ 99%); GalCer C16 GalCer(β) ceramide (d18:1/16:0 ≥ 99%); GalCer C18 GalCer(β) ceramide (d18:1/18:0 ≥ 99%); GalCer C24 GalCer(β) ceramide (d18:1/24:0 ≥ 99%); GalCer C24:1 GalCer(ß) ceramide (d18:1/24:1(15Z) ≥ 99%) were purchased from Avanti® Polar Lipids, Inc. Ethanol (C₂H₆O, ACS, ISO, Reag. Ph Eur), acetone (C₃H₆O, HPLC, ≥99.9%) and potassium hydroxide (KOH, ACS reagent, ≥85%, pellets) were obtained from Merck. Milli-Q water (>18.0 MΩ cm) was purified with a Sartorius Arium® 611 UV ultrapure water system. All reagents were used without further purification.