Observing atomically precise nanocluster aggregates in solution by mass photometry

We report the first mass photometric characterization of nanoaggregates of atomically precise nanoclusters (NCs) in solution. The differently-sized nanoaggregates of silver-gold alloy NCs, [Ag 11− x Au x (DPPB) 5 Cl 5 O 2 ] 2+ [ x = 1-5 and DPPB = 1,4-bis(diphenylphosphino)butane], formed in solutio...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2024-06, Vol.6 (52), p.6655-6658
Hauptverfasser: Roy, Jayoti, Marathe, Ila, Wysocki, Vicki, Pradeep, Thalappil
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Marathe, Ila
Wysocki, Vicki
Pradeep, Thalappil
description We report the first mass photometric characterization of nanoaggregates of atomically precise nanoclusters (NCs) in solution. The differently-sized nanoaggregates of silver-gold alloy NCs, [Ag 11− x Au x (DPPB) 5 Cl 5 O 2 ] 2+ [ x = 1-5 and DPPB = 1,4-bis(diphenylphosphino)butane], formed in solution, were examined by mass photometry (MP) with a protein calibration. In addition, we conducted MP studies of varying solvent composition to understand the structural evolution of nanoaggregates. The masses of nanoaggregates were correlated to structures of 15 to 50 nm diameter observed in cryo-electron microscopy. We report the first mass photometric characterization of nanoaggregates of atomically precise nanoclusters (NCs) in solution.
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subjects Gold base alloys
Nanoclusters
Photometry
Silver
title Observing atomically precise nanocluster aggregates in solution by mass photometry
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