Dataset: entrap_sod_bisph.dat Source: Maha Nasr, et al (2010/11). "A Reliable Predictive Factorial Model for Entrapment Optimization of a Sodium Bisphosphonate into Biodegradable Microspheres," Journal of Pharmacutical Sciences, 100:612-621. Description: 2^4 factorial experiment (3 reps per factor combination), measuring risedronate sodium (RS) entrapment efficiency percent (EE%) Factors: Type of Poly(lactide-co-glycolic acid) (PLGA, -1 = 50:50, +1 = 75:25) Internal Aqueous Phase Volume Ratio (-1 = 1:2. +1 = 1:5) Amount of PLGA (-1 = 250mg, +1 = 500mg) Amount of Drug (-1 = 50mg, +1 = 100mg) Variables/Columns PLGA Type 7-8 Internal aqueous Phase VR 15-16 Amount of PLGA 23-24 Amount of Drug 31-32 replicate # 40 RS EE% 43-48