1 2 disteroyl sn glycero 3 phosphoethanolamine n methoxy polyethylene glycol 550 ammonium salt in chloroform dspe peg

Poly(vinyl chloride), high molecular weight (PVC), bis(2-ethylhexyl) sebacate (DOS), sodium tetrakis[3,5-bis(trifluoromethyl)phenyl] borate (NaTFPB), 9-Dimethylamino-5-[4-(15-butyl-1,13-dioxo-2,14-dioxanonadecyl)phenylimino]benzo[a]phenoxazine (Chromoionophore VII;CHVII), 6,6-Dibenzyl-1,4,8-11-tetraoxacyclotetradecane (Lithium Ionophore VI; LiI VI), trioctylphosphine oxide (TOPO), tetrahydrofuran (THF), 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid (HEPES), dichloromethane (DCM), 9-Dimethylamino-5-[4-(16-butyl-2,14-dioxo-3,15-dioxaeicosyl)phenylimino]benzo[a]phenoxazine (chromoionophore II; CHII), N,N-Dicyclohexyl-N′,N′-diisobutyl-cis-cyclohexane-1,2-dicarboxamide (Lithium Ionophore III; LiI III), 2-nitrophenyl octyl ether (NPOE), 2-nitrophenyl phenyl ether (NPPE), and lithium chloride were purchased from Sigma Aldrich (St. Louis, MO). 1,2-disteroyl-sn-glycero-3-phosphoethanolamine-N-[methoxy(polyethylene glycol)-550] ammonium salt in chloroform (DSPE-PEG) was purchased from Avanti Polar Lipids (Alabaster, AL). 1,1'-Dioctadecyl-3,3,3',3'-Tetramethylindotricarbocyanine Iodide(DiR) was purchased from Life Technologies (Grand Island, NY) 2-Amino-2-hydroxymethyl-propane-1,3-diol, 2M solution, (TRIS, 2M) was purchased from Fisher Scientific (Waltham, MA). Phosphate buffered saline (PBS with Ca++ and Mg++, pH=7.4) was purchased from Boston Bioproducts(Ashland, MA).

Poly (vinyl chloride), high molecular weight (PVC), bis(2-ethylhexyl) sebacate (DOS), chromoionophore IV (CHIV), chloride ionophore IV (Cl IV), Tridodecyl methyl ammonium chloride (TTDMAC), tetrahydrofuran (THF), 4-(2-hydroxyethyl) piperazine-1-ethanesulfonic acid (HEPES), dichloromethane (DCM), sodium chloride, Pluronic F127 was purchased from Sigma-Aldrich (St. Louis, MO, USA). 1,2-Disteroyl-sn-glycero-3-phosphoethanolamine-N- [methoxy (polyethylene glycol)-550] ammonium salt in chloroform (DSPE-PEG) was purchased from Avanti Polar Lipids (Alabaster, AL, USA). (Dil) was purchased from Life Technologies (Grand Island, NY, USA). CellBrite™ NIR750 was purchased from Biotium (Fremont, CA). 2-Amino-2-hydroxymethylpropane-1,3-diol, 2 M solution (TRIS, 2M), was purchased from Fisher Scientific (Waltham, MA, USA). Phosphate-buffered saline (PBS with Ca²⁺ and Mg²⁺, pH = 7.4) was purchased from Boston Bioproducts (Ashland, MA, USA).