HPLC grade water was purchased from Fischer-Scientific (Fair Lawn, NJ).
Sodium arsenate (Na3AsO4·7H2O) and silver nitrate (AgNO3) were purchased from Fisher Scientific (Fair Lawn, NJ, USA).
Dimethly sulfoxide (DMSO), sodium azide, and bovine serum albumin were purchased from Fisher Scientific (Fair Lawn, NJ).
HPLC grade methanol was purchased from Fisher Scientific (Fair Lawn, NJ, USA), and HPLC-grade acetonitrile and reagent grade formic acid were obtained from Merck KGaA (Darmstadt, Germany).
Calcium chloride (anhydrous) was purchased from Fischer Scientific (Fair Lawn, NJ) and cellulose acetate phthalate was purchased from Spectrum Quality Products, Inc. (New Brunswick, NJ).
For the high-performance liquid chromatography [HPLC] analysis, acetonitrile and methanol were supplied from Fisher Thermo Fisher Scientificc, Fair Lawn, NJ, USA).
Slides were counterstained with cresyl violet, dehydrated, cleared, and coverslipped under Permount (Fisher Scientific, Fair Lawn, NJ).
Following the imaging protocol, animals were euthanized and brains rapidly removed and frozen in chilled 2-methylbutane (Fisher Scientific, Fair Lawn, NJ).
Ammonium persulfate was obtained from Fisher Scientific (Fair Lawn, NJ).
Sodium chloride was from Fisher Scientific, Fair Lawn, NJ.
Acetonitrile (ACN) was obtained from Fisher Scientific (Fair Lawn, NJ).
