Steam disinfection releases micro(nano)plastics from silicone-rubber baby teats as examined by optical photothermal infrared microspectroscopy

  title={Steam disinfection releases micro(nano)plastics from silicone-rubber baby teats as examined by optical photothermal infrared microspectroscopy},
  author={Yu Su and Xi Hu and Hongjie Tang and Kun Lu and Huimin Li and Si-Dong Liu and Baoshan Xing and Rong Ji},
  journal={Nature Nanotechnology},
  • Yu SuXi Hu R. Ji
  • Published 11 November 2021
  • Physics
  • Nature Nanotechnology
Silicone-rubber baby teats used to bottle-feed infants are frequently disinfected by moist heating. However, infant exposure to small microplastics (<10 μm) potentially released from the heated teats by hydrothermal decomposition has not been studied, owing to the limitations of conventional spectroscopy in visualizing microplastic formation and in characterizing the particles at the submicrometre scale. Here both the surfaces of silicone teats subjected to steam disinfection and the wash… 

Alcohol Pretreatment to Eliminate the Interference of Micro Additive Particles in the Identification of Microplastics Using Raman Spectroscopy

Raman spectroscopy is an indispensable tool in the analysis of microplastics smaller than 20 μm. However, due to its limitation, Raman spectroscopy may be incapable of effectively distinguishing

Scalable Production of Biodegradable, Recyclable, Sustainable Cellulose-Mineral Foams via Coordination Interaction Assisted Ambient Drying.

Heavy reliance on petrochemical-based plastic foams in both industry and society has led to severe plastic pollution (the so-called "white pollution"). In this work, we develop a biodegradable,

Removal of Polystyrene Microplastics from Aqueous Solution Using the Metal–Organic Framework Material of ZIF-67

Due to the continuous and adverse effects of microplastics on the environment, an increasing number of studies have begun to focus on their migration patterns and removal from aquatic environments.

High-performance micro/nanoplastics characterization by MALDI-FTICR mass spectrometry.

Micro/nanoplastics (MNPs) are widespread environmental pollutants that cause high health risks. However, high heterogeneity in particle sizes and chemical compositions of MNPs make their accurate

Development of a Binary Digestion System for Extraction Microplastics in Fish and Detection Method by Optical Photothermal Infrared

Accumulating evidence indicates that aquatic organisms ingest microplastics (MPs), which may be a threat to essentially the entire global ecosystem. In current detection methods, even in cutting-edge

Coronas of micro/nano plastics: a key determinant in their risk assessments

The analytical methods to interpret corona structures are discussed, the impacts of the corona on toxicity and future perspectives are provided, and seriously consideration of the role of surface coronas in safety assessments are recommended.

Extraction and Quantification of Polystyrene Nanoplastics from Biological Samples

A new method extracting and quantifying polystyrene (PS) NPs from biological samples was developed, providing a useful approach for further exploring the environmental behavior and toxicity of NPs.



Plastic Teabags Release Billions of Microparticles and Nanoparticles into Tea.

It is shown that steeping a single plastic teabag at brewing temperature (95 °C) releases approximately 11.6 billion microplastics and 3.1 billion nanoplastics into a single cup of the beverage.

Migration behaviour of silicone moulds in contact with different foodstuffs

Proper tempering of the moulds had a major influence on the migration properties of siloxanes into different foodstuffs, and non-tempered moulds with a high level of volatile organic compounds were shown to have considerably higher migration than the equivalent tempered moulds.

Laser Ablation as a Versatile Tool To Mimic Polyethylene Terephthalate Nanoplastic Pollutants: Characterization and Toxicology Assessment.

A reliable top-down approach based on laser ablation of polymers to form polyethylene terephthalate (PET) nanoplastics, which mimic real environmental nanopollutants, unlike synthetic samples obtained by colloidal chemistry.

Microplastic release from the degradation of polypropylene feeding bottles during infant formula preparation

It is demonstrated that infant exposure to microplastics is higher than previously recognized due to the prevalence of polypropylene-based products in formula preparation, highlighting an urgent need to assess whether MPs exposure at these levels pose a risk to infant health.

Combined Effects of UV Exposure Duration and Mechanical Abrasion on Microplastic Fragmentation by Polymer Type.

The number of fragmented polymer particles produced by ultraviolet exposure and mechanical abrasion increased with decreasing size in all polymer types, and the size-normalized abundance of the fragmented PE, PP, and EPS particles according to particle size after UV exposure and MA was predictable.

Separation and Analysis of Microplastics and Nanoplastics in Complex Environmental Samples.

Alternative techniques borrowed from other fields of research are suggested to improve separation of the smallest plastic particles, including adapting active density separation (centrifugation) from cell biology and taking advantage of surface-interaction-based separations from analytical chemistry.

Characterization and resolution of evaporation-mediated osmolality shifts that constrain microfluidic cell culture in poly(dimethylsiloxane) devices.

A PDMS-parylene-PDMS hybrid membrane was developed that greatly suppresses evaporation and osmolality shifts, yet possesses thinness and the flexibility necessary to interface with deformation-based microfluidic actuation systems, maintains the clarity for optical microscopy, and enables the successful development of single-cell mouse embryos into blastocysts under static conditions.

Turning microplastics into nanoplastics through digestive fragmentation by Antarctic krill

It is shown that Antarctic krill digest micro plastics into nano plastics, thereby generating particles of a size that can cross biological and physical barriers, and suggest that current laboratory-based feeding studies may be oversimplifying interactions between zooplankton and microplastics.