%&LaTeX
\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{Grzelczak_etal2016} {\textquotedblleft}\textit{Silver Ions Direct Twin-Plane Formation during the Overgrowth of Single-Crystal Gold Nanoparticles}{\textquotedblright}. Grzelczak M, Sanchez-Iglesias A, Heidari H, Bals S, Pastoriza-Santos I, Perez-Juste J, Liz-Marzan LM, ACS Omega \textbf{1}, 177 (2016).   http://doi.org/10.1021/ACSOMEGA.6B00066

\end{thebibliography}

\end{document}

