Dulbecco s phosphate buffered saline dpbs 10x

Ester-terminated 50:50 Poly(DL-lactic-co-glycolidic acid) (PLGA, inherent viscosity range of 0.55–0.75 dL/g) was purchased from Lactel Absorbable Polymers (Durect Corp., Birmingham, AL; catalog number B6010-2P). The PHT-427 chemotherapeutic drug was synthesized following a previously reported protocol.^{18 (link)} Poly(vinyl alcohol) (PVA) that was 87–90% hydrolyzed and with average molecular weight 30,000–70,000 was purchased from Sigma-Aldrich (St. Louis, MO; catalog number P8136). Dichloromethane (DCM) that was 99.8% anhydrous was purchased from Sigma-Aldrich (St. Louis, MO). Paraformaldehyde was purchased from EMD Millipore (Merck KGaA, Darmstadt, Germany). Sesame seed oil was purchased from Sigma-Aldrich (St. Louis, MO). Heparin was purchased from APP Pharmaceuticals, LLC (Shaumburg, IL). Heparinized saline, 50 μl of 3000 U/L, was used for blood samples so they would not coagulate. Acetonitrile that was 99.9% anhydrous was purchased from Acros Organics (Thermo Fisher Scientific, Inc., Waltham, MA). A methyl ester version of tetramethylrhodamine (TMRM) was purchased from Life Technologies (Molecular Probes, Grand Island, NY). Trehalose was purchased from Sigma Aldrich (St. Louis, MO). Sodium Dodecyl Sulfate (SDS) was purchased from OmniPur (EMD Millipore, Darmstadt, Germany). Dulbecco’s Phosphate Buffered Saline (DPBS) 10x was purchased from Sigma Aldrich (St. Louis, MO).