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Salt-induced Adsorption and Rupture of Liposomes on Microplastics
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This is a dataset of lab experiments testing how tiny fat-based particles called liposomes stick to and break apart on microplastic surfaces, especially when salt (like magnesium) is present. Measurements included particle size, leakage rates, and adsorption levels, including a test using Atlantic Ocean water.
This dataset contains the experimental data supporting the publication titled "Salt-Induced Adsorption and Rupture of Liposomes on Microplastics " by Fukunaga et al. (Langmuir (2023) 39 (46): 16395–16403). The study presents the characterization of the adsorption and rupture of PC liposomes on microplastics. The dataset includes: 1. Dynamic Light Scattering measurements 2. Leakage rates (leak %/min) of DOPC liposome calculated from the slope of the initial 10 minutes 3. Effect of Mg2+ concentration on the adsorption of Rh-labeled DOPC onto the PP microplastics 4. The kinetics of Rh-labeled DOPC adsorption onto PP microplastics 5. Leakage kinetics of calcein-loaded DOPC with microplastics 6. Rh-labeled liposome adsorption on PP microplastics water after washing 7. Raman spectra of microplastics 8. Leakage kinetics of calcein-loaded DPPC 9. Effect of Mg2+ concentration on the adsorption of Rh-labeled liposomes added in a saturated amount onto PP microplastics 10. Leakage test of calcein-loaded DOPC liposomes by PP microplastics in the Atlantic Ocean water This dataset provides fundamental insights into the interactions between liposomes and microplastics and has implications for the colloidal and transport properties of microplastics.
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Salt-Induced Adsorption and Rupture of Liposomes on Microplastics
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Polystyrene, polyethylene, PVC, PET, and polypropylene microplastics all adsorbed and ruptured lipid vesicles (liposomes) when divalent metal ions like calcium and magnesium were present at concentrations found in seawater. This interaction — where microplastics disrupt the same type of membrane that surrounds living cells — provides a mechanistic window into how microplastics could damage biological membranes inside organisms, including at the gut lining.
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