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Tier 2
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Original research — experimental, observational, or case-control study. Direct primary evidence.
Detection Methods
Nanoplastics
Remediation
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Comparative Study of the U(VI) Adsorption by Hybrid Silica-Hyperbranched Poly(ethylene imine) Nanoparticles and Xerogels
Nanomaterials2023
10 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 40
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Michael Arkas,
Michael Arkas,
Κωνσταντίνος Γιαννακόπουλος,
Κωνσταντίνος Γιαννακόπουλος,
Ioannis Pashalidis,
Michael Arkas,
Ioannis Pashalidis,
Ioannis Pashalidis,
Ioannis Pashalidis,
Ioannis Pashalidis,
Ioannis Pashalidis,
Ioannis Pashalidis,
Ioannis Pashalidis,
Ioannis Pashalidis,
Evangelos P. Favvas,
Ioannis Pashalidis,
Ioannis Pashalidis,
Ioannis Pashalidis,
Dimitrios A. Giannakoudakis
Michael Arkas,
Michael Arkas,
Ioannis Pashalidis,
Evangelos P. Favvas,
Ioannis Pashalidis,
Κωνσταντίνος Γιαννακόπουλος,
Ioannis Pashalidis,
Κωνσταντίνος Γιαννακόπουλος,
Ioannis Pashalidis,
Ioannis Pashalidis,
Sergios K. Papageorgiou,
Michael Arkas,
Michael Arkas,
Dimitrios A. Giannakoudakis
Sergios K. Papageorgiou,
Dimitrios A. Giannakoudakis
Dimitrios A. Giannakoudakis
Ioannis Pashalidis,
Konstantinos S. Triantafyllidis,
George V. Theodorakopoulos,
Ioannis Pashalidis,
Dimitrios A. Giannakoudakis
George V. Theodorakopoulos,
Ioannis Pashalidis,
Ioannis Pashalidis,
Ioannis Pashalidis,
Artemis Giannoulatou,
Artemis Giannoulatou,
Konstantinos S. Triantafyllidis,
Artemis Giannoulatou,
Artemis Giannoulatou,
M. Vardavoulias,
M. Vardavoulias,
Dimitrios A. Giannakoudakis
Ioannis Pashalidis,
Ioannis Pashalidis,
Ioannis Pashalidis,
M. Vardavoulias,
M. Vardavoulias,
Dimitrios A. Giannakoudakis
Dimitrios A. Giannakoudakis
Ioannis Pashalidis,
Konstantinos S. Triantafyllidis,
Konstantinos S. Triantafyllidis,
Konstantinos S. Triantafyllidis,
Konstantinos S. Triantafyllidis,
Efthalia Georgiou,
Efthalia Georgiou,
Ioannis Pashalidis,
Ioannis Pashalidis,
Konstantinos S. Triantafyllidis,
Dimitrios A. Giannakoudakis
Summary
This paper is not about microplastics; it compares silica-based nanoparticle and xerogel adsorbents for removing uranium from contaminated water, finding both materials have high sorption capacity for purification applications.
Two different silica conformations (xerogels and nanoparticles), both formed by the mediation of dendritic poly (ethylene imine), were tested at low pHs for problematic uranyl cation sorption. The effect of crucial factors, i.e., temperature, electrostatic forces, adsorbent composition, accessibility of the pollutant to the dendritic cavities, and MW of the organic matrix, was investigated to determine the optimum formulation for water purification under these conditions. This was attained with the aid of UV-visible and FTIR spectroscopy, dynamic light scattering (DLS), ζ-potential, liquid nitrogen (LN<sub>2</sub>) porosimetry, thermogravimetric analysis (TGA), and scanning electron microscopy (SEM). Results highlighted that both adsorbents have extraordinary sorption capacities. Xerogels are cost-effective since they approximate the performance of nanoparticles with much less organic content. Both adsorbents could be used in the form of dispersions. The xerogels, though, are more practicable materials since they may penetrate the pores of a metal or ceramic solid substrate in the form of a precursor gel-forming solution, producing composite purification devices.