We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
61,005 resultsShowing papers similar to The interaction mechanism of polystyrene microplastics with pharmaceuticals and personal care products
ClearMechanistic insights into the adsorption of endocrine disruptors onto polystyrene microplastics in water
Researchers studied the mechanisms by which polystyrene microplastics adsorb endocrine-disrupting compounds from aquatic environments, finding that hydrophobic interactions and surface chemistry govern the binding. The results clarify how microplastics act as vectors for co-transporting endocrine disruptors through aquatic ecosystems.
Adsorption behavior and interaction mechanism of microplastics with typical hydrophilic pharmaceuticals and personal care products
This study examined how different types of microplastics adsorb hydrophilic pharmaceuticals and personal care products (PPCPs) in aquatic environments, finding that polymer type and surface properties governed the interaction mechanisms. The results indicate that microplastics can act as vectors for these emerging contaminants.
Microplastics Alter the Distribution and Toxic Potentialof Typical Pharmaceuticals in Aqueous Solutions: Mechanisms and TheoryCalculations
Researchers studied how polystyrene microplastics interact with pharmaceuticals carrying different functional groups (naproxen, bezafibrate, norfloxacin, ibuprofen) using sorption experiments and density functional theory calculations. Sorption capacity varied by pharmaceutical type (highest for naproxen), with hydrophobic partitioning and π-π interactions as key mechanisms, altering the aquatic risk profile of each drug.
Mechanisms of Sorption of Pharmaceutical and Personal Care Products to Microplastics
This thesis investigated how pharmaceutical and personal care product chemicals sorb onto high-density polyethylene microplastic fragments, and how this affects the combined toxicity to aquatic organisms. Microplastics can carry drug compounds and personal care chemicals from wastewater into aquatic environments, concentrating pollutant exposure for marine organisms.
Adsorption behaviour and interaction of organic micropollutants with nano and microplastics – A review
This review analyzed the adsorption behavior of organic micropollutants — including pharmaceuticals, pesticides, and industrial chemicals — onto nano- and microplastics, finding that adsorption is governed by pollutant hydrophobicity, particle surface area, and aging state, and that microplastics can act as vectors delivering co-contaminants to aquatic organisms.
Microplastics Alter the Distribution and Toxic Potential of Typical Pharmaceuticals in Aqueous Solutions: Mechanisms and Theory Calculations
Researchers studied how polystyrene microplastics interact with common pharmaceutical drugs in water and found that the plastics can absorb these medications, altering their distribution and potentially increasing environmental toxicity. The strength of absorption varied depending on the chemical properties of each drug, with some binding much more readily to microplastics than others. The findings highlight that microplastics may act as carriers for pharmaceutical pollutants, complicating efforts to assess water contamination risks.
Unravelling the complex interactions between microplastics and PPCPs: The environment and health implications
This review examines how microplastics interact with pharmaceuticals and personal care products (PPCPs), finding that the large hydrophobic surface area of microplastics enhances PPCP adsorption, increasing their persistence, bioavailability, and potential for biomagnification through food webs.
Effect of aging on adsorption behavior of polystyrene microplastics for pharmaceuticals: Adsorption mechanism and role of aging intermediates
Photo-Fenton-accelerated aging of polystyrene microplastics was found to shift the dominant adsorption mechanism for pharmaceuticals from hydrophobic/π-π interactions in pristine PS to electrostatic and hydrogen bonding in aged PS, while high concentrations of aging intermediates suppressed adsorption capacity. The study reveals how environmental weathering fundamentally changes how microplastics interact with pharmaceutical pollutants.
Sorption of pharmaceuticals over microplastics’ surfaces: interaction mechanisms and governing factors
Researchers reviewed the sorption mechanisms by which pharmaceuticals interact with microplastic surfaces in the environment. The study found that electrostatic interactions, hydrogen bonding, and hydrophobic forces are the primary mechanisms governing pharmaceutical adsorption onto microplastics, suggesting that microplastics can serve as vectors for transporting pharmaceutical contaminants through ecosystems.
Sorption of two common antihypertensive drugs onto polystyrene microplastics in water matrices
Researchers examined the sorption of two common antihypertensive drugs onto polystyrene microplastics in water, finding that microplastics can adsorb pharmaceutical compounds and may serve as vectors for drug transport in aquatic environments.
Transport of persistent organic pollutants: Another effect of microplastic pollution?
This review examines how microplastics act as vectors for persistent organic pollutants (POPs) in aquatic environments, covering the physical and chemical factors governing pollutant adsorption and desorption. The authors discuss how interactions between microplastics and POPs vary with polymer type, particle properties, and environmental conditions, and when these interactions may result in toxic effects on aquatic organisms.
Mini Review on Recent Advances of the Adsorption Mechanism Between Microplastics and Emerging Contaminants for Conservation of Water
This mini-review examines the adsorption mechanisms between microplastics and emerging contaminants such as pharmaceuticals, highlighting how physicochemical properties like hydrophobicity and pH influence pollutant uptake onto different polymer types. The review synthesizes recent advances relevant to understanding how microplastics act as vectors for pharmaceutical contaminants in aquatic environments.
Investigating the adsorption of organic compounds onto microplastics via experimental, simulation, and prediction methods
This review systematically examined experimental, simulation, and predictive modeling approaches for studying the adsorption of organic compounds onto microplastics, synthesizing findings on how molecular interactions, environmental conditions, and plastic aging affect microplastic vector behavior for organic pollutants.
Interactions between microplastics and organic compounds in aquatic environments: A mini review
Researchers reviewed the mechanisms of interaction between microplastics and organic compounds in aquatic environments, examining factors related to the plastics themselves, the organic compounds, and environmental conditions. The study found that properties like crystallinity, surface area, and weathering state of microplastics all influence how they adsorb and transport organic pollutants, with implications for environmental and health risk assessments.
Insights into the adsorption of ibuprofen onto polyethylene microplastics using molecular dynamic simulation
Researchers used molecular dynamics simulations combined with laboratory experiments to study how ibuprofen adsorbs onto polyethylene microplastics in water. The study found that van der Waals forces dominate the interaction, with microplastics achieving an adsorption capacity of 0.41 mg/g for ibuprofen, suggesting that microplastics can act as carriers for pharmaceutical pollutants in aquatic environments.
Sorption of pharmaceuticals on the surface of microplastics
Researchers tested the ability of four common microplastic types to adsorb nine pharmaceutical compounds frequently found as water pollutants. They found that sorption involved both hydrophobic and electrostatic interactions, but under natural environmental conditions the binding was relatively weak. The study suggests that while microplastics can interact with pharmaceutical residues, their role as carriers of these contaminants in real aquatic environments may be more limited than previously assumed.
Surface functional group dependent enthalpic and entropic contributions to molecular adsorption on colloidal microplastics
This chemistry study measured how different organic molecules (charged and neutral) stick to the surface of various microplastic particles in water, finding that the plastic's surface chemistry strongly influences the strength and nature of these interactions. The work reveals that both electrostatic attraction and water structure at the plastic surface play a role in determining what contaminants microplastics can carry. This matters because microplastics act as "carriers" for other pollutants, and understanding the binding chemistry helps predict which toxins hitchhike with plastics into ecosystems and organisms.
Microplastics as vectors of organic pollutants in aquatic environment: A review on mechanisms, numerical models, and influencing factors
This review examines how microplastics act as carriers for organic pollutants in water, adsorbing chemicals like pesticides and pharmaceuticals onto their surfaces and transporting them through aquatic environments. Researchers analyzed the mechanisms behind this process, including hydrophobic interactions and surface adsorption, along with the mathematical models used to predict pollutant uptake. The study highlights that microplastics may amplify the environmental impact of other contaminants by concentrating and redistributing them.
Microplastics physicochemical properties, specific adsorption modeling and their interaction with pharmaceuticals and other emerging contaminants
This review examines how microplastics interact with pharmaceutical residues in aquatic environments, covering adsorption mechanisms, degradation pathways, and combined toxicity effects. Researchers analyzed mathematical modeling approaches for predicting how microplastics and pharmaceuticals associate under different environmental conditions. The study highlights that microplastics can alter the environmental fate of pharmaceutical contaminants, creating combined pollution risks for ecosystems and public health.
Comparing the sorption of pyrene and its derivatives onto polystyrene microplastics: Insights from experimental and computational studies
This study examined how pyrene — a cancer-associated compound found in diesel exhaust and other combustion products — and several of its chemical derivatives adsorb onto polystyrene microplastics from water. Polystyrene strongly absorbed several pyrene derivatives, meaning microplastics could transport these carcinogenic chemicals into organisms that ingest the particles. The findings support the concern that microplastics act as vectors for toxic organic pollutants.
Multi-mechanistic adsorption of pharmaceuticals and personal care products on oxidized microplastics: Oxidation processes, mechanisms, and environmental implications
Researchers reviewed how weathering and oxidation change microplastic surfaces, making them better at absorbing pharmaceuticals and personal care product chemicals from water. The modified surfaces attract these contaminants through multiple chemical forces, meaning aged microplastics in the environment act as enhanced carriers for drug and cosmetic pollutants.
Molecular-LevelInsights into the Influence of NaturalOrganic Matter on Nanoplastic-Small Molecule Emerging ContaminantInteractions
Researchers found that natural organic matter significantly alters the interaction dynamics between polystyrene nanoplastics and multiple small-molecule emerging contaminants including PCBs, bisphenol S, DDT, and PFOS in aquatic systems, using molecular-level analysis to reveal the mechanistic influence.
Mechanistic Insights into PFAS Adsorption on Microplastics: Effects of Contaminant Properties and Water Chemistry
Researchers investigated how two widely detected PFAS compounds, PFOS and PFOA, adsorb onto five common types of microplastics in aquatic environments. The study found that contaminant properties and water chemistry significantly influence adsorption behavior, confirming that microplastics can serve as carriers for PFAS transport in waterways.
Molecular-Level Insights into the Influence of Natural Organic Matter on Nanoplastic-Small Molecule Emerging Contaminant Interactions
Researchers found that natural organic matter significantly alters the interactions between polystyrene nanoplastics and multiple co-occurring emerging contaminants including PCBs, bisphenol S, DDT, and PFOS in aquatic environments, with molecular-level simulations revealing the mechanistic basis for these changes.