Journal
BIOELECTROCHEMISTRY
Volume 55, Issue 1-2, Pages 33-35Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S1567-5394(01)00170-0
Keywords
PAMAM dendrimers; bovine serum albumin; fluorescence quenching; Stern-Volmer plot; tryptophan
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Polyamidoamine (PAMAM) dendrimers (generation 3.5 and 4) interaction with bovine serum albumin (BSA) was studied. The intensity of intrinsic fluorescence of two tryptophan residues and a shift in wavelength of their emission maxima were chosen as indicators of protein conformational changes. It is shown that the generation 4 has a greater impact on spectral properties of serum albumin than generation 3.5. (C) 2002 Elsevier Science B.V All rights reserved.
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