Specifications Table

Subject	Materials science
Specific subject area	Biomaterials
Type of data	Table, Graph
How data were acquired	Data were generated using UV–Vis spectrophotometer (Agilent 8453 UV–Vis diode array spectrophotometer) and standard experimental procedures.
Data format	Statistically analysed data in the form of Table and Figure.
Parameters for data collection	Free radical scavenging capability of TEMPO functionalized dendrimers against nitric oxide radical (NO), DPPH radical and hydrogen peroxide as well as total antioxidant activity of dendrimers were examined at 200μg/mL concentration of each sample.
Description of data collection	Data on antioxidant activity of radical dendrimers against different radical species were collected according to reported procedures [[2], [3], [4], [5]] and compared with Vitamin-C.
Data source location	Department of Polymer Science, University of Madras, Guindy Campus, Chennai-600 025, India.
Data accessibility	Data are available with the article
Related research article	B. Mohamad Ali, B. Velavan, G. Sudhandiran, J. Sridevi and A. Sultan Nasar. Radical dendrimers: Synthesis, anti-tumor activity and enhanced cytoprotective performance of TEMPO free radical functionalized polyurethane dendrimers. Eur. Polym. J., doi.org/10.1016/j.eurpolymj.2019.109354.