PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21182322-1 2011 The effect of sodium cholate (NaC; concentration 1-16 mM), a biological surfactant, on the aggregation behavior of 1% (w/v, 2.2 x 10(-3) M) poly(N-isopropylacrylamide) (PNIPAM) aqueous solutions was studied as a function of temperature. poly-N-isopropylacrylamide 140-167 synuclein alpha Homo sapiens 30-33 21182322-2 2011 From turbidity, dynamic light scattering, viscosity, and fluorescence measurements, it was observed that (i) there is NaC-induced nanoscale aggregation of PNIPAM in its sol state and (ii) the lower critical solution temperature corresponding to sol-gel transition shifts to a lower temperature by about 2 C. poly-N-isopropylacrylamide 155-161 synuclein alpha Homo sapiens 118-121 19153035-2 2009 The inclusion of a biological surfactant like sodium cholate (NaC) into PNIPAM could lead a better biocompatibility when the materials are used for biomedical applications. poly-N-isopropylacrylamide 72-78 synuclein alpha Homo sapiens 62-65 19153035-3 2009 The phase transition behavior of PNIPAM was studied in presence of NaC. poly-N-isopropylacrylamide 33-39 synuclein alpha Homo sapiens 67-70 19153035-4 2009 DSC study shows that the presence of NaC broadens the phase transition endotherm of PNIPAM, which is also accompanied by a small shift of the critical solution temperature (CST) to lower temperature. poly-N-isopropylacrylamide 84-90 synuclein alpha Homo sapiens 37-40