Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2019 Sep 4;12(18):2854. doi: 10.3390/ma12182854

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

SEM images of magnetic oxide (Fe₃O₄), polyaniline (PANI) and PANI/Fe₃O₄ composite before (a,c,e) and after (b,d,f) adsorption of acid blue 40 (AB40) dye.