Preparation and characterization of nanosized P(NIPAM-MBA) hydrogel particles and adsorption of bovine serum albumin on their surface

Table 1 Precipitation polymerization of NIPAM-MBA at 70°C with different MBA amount

MBA (wt%)	D₁^a(nm)	D₂^a(nm)	D₁/D₂	Particle yield (%)	Soluble polymer (%)	Monomer conversion (%)	D_n(nm)	N _p	Observations
								(10¹⁴L⁻¹)
2.5	1,110	498	2.23	87.14	12.35	99.49	487	3.079	Stable latex
5.0	1,190	599	1.99	90.74	8.67	99.41	564	2.064	White precipitate
7.5	1,004	613	1.64	91.48	7.82	99.30	602	1.711	As above
10.0	1,040	716	1.45	91.78	7.06	98.84	620	1.572	As above
12.5	-	-	-	-	-	-	-	-	Coagula

^aD₁ and D₂ are the sizes measured by dynamic light scattering at 25°C and 40°C, respectively. N_p, number of particles.