Fig. 1From: Synthesis of Gold Nanoparticles with Buffer-Dependent Variations of Size and Morphology in Biological BuffersMolecular structures of buffers used. It is divided into four groups: a. piperizine/mopholine ring with an N-substituted alkyl sulfonate, b N-substituted alkyl sulfonate, c alkyl alkanol amine, and d miscellaneous (inorganic buffer)Back to article page