Spectroscopic investigation on the interaction of hyperbranched poly (amine) ester with model plasma protein: Effect on the structural and conformational changes

Interaction of bovine serum albumin with starch nanoparticles prepared by TEMPO-mediated oxidation

“…As we know, dynamic quenching depends on diffusion, and the coefficient of diffusion will augment with the increase of temperature [41]. However, for static quenching, the stability of complex formations will decrease with the increase of temperature, so the quenching constant is inversely correlated with temperature [27]. Therefore, these results confirmed that the quenching mechanism was a static quenching rather than a dynamic quenching mechanism.…”

“…Kathiravan et al [36] reported that enhanced absorbance was due to the interaction of colloidal ZnO NPs with BSA through static quenching mechanisms. Xiao et al [27] also reported that the mechanism of fluorescence quenching of polymer-hyperbranched poly (amine) ester with BSA was static quenching.…”

“…They suggested that enhanced absorbance was due to the interaction of colloidal ZnO NPs with BSA through static quenching mechanisms. Xiao et al [27] reported that the addition of HPAE led to a gradual decrease in the absorption intensity of BSA. …”

“…Many researchers have reported the interaction of BSA with metal NPs such as Ag [21], CdS [22], Au [23], ZnO [24] and polymer NPs such as chitosan [25], polymeric [26], hyperbranched poly (amine) ester [27], polystyrene [28], and polymer [29]. SNPs were widely used in applications such as tire mixtures [30], nanocomposite films [31,32], and biomedicine as a nanocarrier [33]; it is essential to study their interactions with the proteins in a biological system.…”

Inhibitory kinetics and mechanism of kaempferol on α-glucosidase

“…The decreased intensities of peak 2 and its positions changes from 225.0 nm/340.0 nm to 230.0 nm/338.0 nm suggested that the interaction between kaempferol and a-glucosidase may induce slight unfolding of the enzyme polypeptides (Xiao, Gu, Liang, Li, & Luo, 2014).…”