purification(2) mass spectrometry(1) radial immunodiffusion(1) silver nitrate(1) Depth filtration(1) CysE or SAT(1) tetanus vaccine(1) Anti-plasmodial(1) filtration(1) Triton X-100(1) design of experiments(1) Nanoparticles(1) Precipitation(1) expression(1) Ammonium sulfate precipitation(1) Azadirachta indica A. Juss(1) microfiltration(1) BL21(DE3)-RIL(1) tetanus toxoid(1) green synthesis(1) codon adaptation index(1)