@article{1d037dcd8da042f99a05879a924b4abb,
title = "Separation of stabilized MOPS gold nanostars by density gradient centrifugation",
abstract = "This article describes the stabilization and postsynthetic separation of gold nanostars (AuNS) synthesized with a morpholine-based Good's buffer, 3-(N-morpholino)propanesulfonic acid. Resuspension of AuNS in ultrapure water improved the shape stability of the particles over 30 days. We demonstrated the sorting of nanostars via rate-zonal centrifugation through a linear sucrose gradient based on branch length and number. We determined that one round of centrifugation was sufficient for separation. Also, we improved the structural homogeneity and stability of the nanoparticles through the optimization of the storage conditions and established a robust method to sort AuNS based on size and shape.",
author = "Kavita Chandra and Vished Kumar and Werner, {Stephanie E.} and Odom, {Teri W.}",
note = "Funding Information: This work was supported by the National Science Foundation (NSF) under award CHE-1507790 (K.C., T.W.O.) and a Visiting Predoctoral Fellowship in the Northwestern University Department of Chemistry (V.K.). This work made use of the NU Keck Biophysics Facility supported by the Cancer Center Support Grant and the Biological Imaging Facility. We are grateful for the use of EPIC of Northwestern University's NUANCE Center, which has received support from the Soft and Hybrid Nanotechnology Experimental (SHyNE) Resource (NSF NNCI-1542205); the MRSEC program (NSF DMR-1121262) at the Materials Research Center; the International Institute for Nanotechnology (IIN); the Keck Foundation; and the State of Illinois, through the IIN. Funding Information: This work was supported by the National Science Foundation (NSF) under award CHE-1507790 (K.C., T.W.O.) and a Visiting Predoctoral Fellowship in the Northwestern University Department of Chemistry (V.K.). This work made use of the NU Keck Biophysics Facility supported by the Cancer Center Support Grant and the Biological Imaging Facility. We are grateful for the use of EPIC of Northwestern University{\textquoteright}s NUANCE Center, which has received support from the Soft and Hybrid Nanotechnology Experimental (SHyNE) Resource (NSF NNCI-1542205); the MRSEC program (NSF DMR-1121262) at the Materials Research Center; the International Institute for Nanotechnology (IIN); the Keck Foundation; and the State of Illinois, through the IIN. Publisher Copyright: {\textcopyright} 2017 American Chemical Society",
year = "2017",
month = aug,
day = "31",
doi = "10.1021/acsomega.7b00871",
language = "English (US)",
volume = "2",
pages = "4878--4884",
journal = "ACS Omega",
issn = "2470-1343",
publisher = "American Chemical Society",
number = "8",
}