Facile and green production of aqueous graphene dispersions for biomedical applications

Samad Ahadian, Mehdi Estili, Velappa Jayaraman Surya, Javier Ramón-Azcón, Xiaobin Liang, Hitoshi Shiku, Murugan Ramalingam, Tomokazu Matsue, Yoshio Sakka, Hojae Bae, Ken Nakajima, Yoshiyuki Kawazoe, Ali Khademhosseini

Research output: Contribution to journalArticlepeer-review

107 Citations (Scopus)


We proposed a facile, low cost, and green approach to produce stable aqueous graphene dispersions from graphite by sonication in aqueous bovine serum albumin (BSA) solution for biomedical applications. The production of high-quality graphene was confirmed using microscopy images, Raman spectroscopy, UV-vis spectroscopy, and XPS. In addition, ab initio calculations revealed molecular interactions between graphene and BSA. The processability of aqueous graphene dispersions was demonstrated by fabricating conductive and mechanically robust hydrogel-graphene materials.

Original languageEnglish
Pages (from-to)6436-6443
Number of pages8
Issue number15
Publication statusPublished - 2015 Apr 21


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