Morphological Characterization of SPIONs

Transmission Electron Microscopy (TEM, Jeol-Jem-1011 microscope), working at an accelerating voltage of 100 kV and equipped with a Quemesa Olympus CCD 11 Mp Camera, was utilized for the morphological characterization of as-synthesized SPIONs and SPION@PDA NPs. Organic-capped SPIONs, dispersed in chloroform, were deposited on 300-mesh carbon-coated Cu grid by dipping, while 5 µL of SPION@PDA NPs dispersed in ultrapure water was deposited by casting. Statistical analysis using freeware Image J analysis program was performed to evaluate average size of the “as synthesized” SPIONs. Staining of SPION@PDA NP samples was achieved by using an aqueous phosphotungstic acid solution 2% (w/v).

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Siciliano G., Turco A., Monteduro A.G., Fanizza E., Quarta A., Comparelli R., Primiceri E., Curri M.L., Depalo N, & Maruccio G. (2023). Synthesis and Characterization of SPIONs Encapsulating Polydopamine Nanoparticles and Their Test for Aqueous Cu2+ Ion Removal. Materials, 16(4), 1697.

Publication 2023

Carbon Chloroform Microscope Mp 11 Phosphotungstic acid Spions Transmission electron microscopy

Corresponding Organization : Istituto Nanoscienze

Other organizations : University of Bari Aldo Moro, Institute for Chemical and Physical Processes

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Variable analysis

independent variables

Accelerating voltage (100 kV)

dependent variables

Morphological characterization of as-synthesized SPIONs and SPION@PDA NPs

control variables

Transmission Electron Microscopy (TEM, Jeol-Jem-1011 microscope)
Quemesa Olympus CCD 11 Mp Camera
300-mesh carbon-coated Cu grid
Aqueous phosphotungstic acid solution 2% (w/v) for staining SPION@PDA NP samples

controls

Positive control: Not mentioned
Negative control: Not mentioned

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