# Fileset

[antibiotics-1457295-supplementary.pdf](https://mdr.nims.go.jp/filesets/fcef55b2-34cd-4507-8635-e61e87b0bf06/download)

## Creator

[Akiko Yamamoto](https://orcid.org/0000-0002-9182-4886), Shinji Tanaka, Keiichiro Ohishi

## Rights

This article is an open access article distributed under the terms and
conditions of the Creative Commons Attribution (CC BY) license (https://
creativecommons.org/licenses/by/4.0/).[Creative Commons BY Attribution 4.0 International](https://creativecommons.org/licenses/by/4.0/)

## Other metadata

[Quantitative Evaluation of Nucleic Acid Degradability of Copper Alloy Surfaces and Its Correlation to Antibacterial Activity](https://mdr.nims.go.jp/datasets/6bfd892c-72e0-4618-9f92-eafce99f2b03)

## Fulltext

Table S1. Results of surface analysis of commercially available antibacterial resins (wt%).  element Resin X Resin X C 93.51±0.34 97.63±1.24 O 3.28±0.26 0.66±1.32 Ti 0.96±0.09 0.54±0.02 Zn 1.17±0.25 - Ba 1.23±0.14 0.71±0.07 Mg - 0.10±0.01 Na - 0.17±0.01 Ag - 0.03±0.03 Al 0.11±0.03 0.09±0.01 Si 0.05±0.02 0.05±0.01  Antimicrobial resin specimens were prepared from the commercially available toilet seats and lids. Surface analysis was carried out using a scanning electron microscope (SEM, Hitachi SU-8000) equipped by the energy dispersive X-ray spectroscopy (EDX, Bruker  Quantax 70).   Table S2. Corrosion parameters of copper and its alloys in 0.9% NaCl.   C1020 C6932 CBRA CBRI ABSS Ecorr vs NHE(mV) 62.8±9.8 57.8±12.1 71.8±7.1 45.6±9.2 138.0±9.4 Icorr(µA/cm2) 2.65±1.00 0.42±0.32 0.29±0.15 0.70±0.15 0.052±0.001 Epitt vs NHE(mV) - - - - 582±9  Electrochemical measurement condition was as follows; Reference electrode: saturated Ag/AgCl (3 M NaCl) Counter electrode: a platinum mesh Working electrode: a test sample (exposed area of 0.95 cm2)  Environment: 5 ml 0.9% NaCl, 35±1˚C.  Conditions: OCP for 24 h, PD at 1 mV/s from −0.25 V vs. OCP to the current density over 1×10-3 A/cm2 Potentiostat: ALS Model2323 bi-potentiostat Number of measurement: >3   Figure S1. Potentiodynamic curves of copper and copper containing alloys in 0.9% NaCl. (Details of measuring conditions are described in the footnote of Table S2.)  1.0E-101.0E-091.0E-081.0E-071.0E-061.0E-051.0E-041.0E-03-0.2 -0.1 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7Current density (A/cm2 )Potential vs NHE (V)C1020C6932CBRACBRINSSAM310-310-410-510-610-710-810-910-10ABSS