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Open AccessJournal ArticleDOI

Pulmonary applications and toxicity of engineered nanoparticles.

TLDR
An overview of the potential usefulness of nanoparticles and nanotechnology in respiratory research and medicine is provided and important issues and recent data pertaining to nanoparticle-related pulmonary toxicity are highlighted.
Abstract
Because of their unique physicochemical properties, engineered nanoparticles have the potential to significantly impact respiratory research and medicine by means of improving imaging capability and drug delivery, among other applications. These same properties, however, present potential safety concerns, and there is accumulating evidence to suggest that nanoparticles may exert adverse effects on pulmonary structure and function. The respiratory system is susceptible to injury resulting from inhalation of gases, aerosols, and particles, and also from systemic delivery of drugs, chemicals, and other compounds to the lungs via direct cardiac output to the pulmonary arteries. As such, it is a prime target for the possible toxic effects of engineered nanoparticles. The purpose of this article is to provide an overview of the potential usefulness of nanoparticles and nanotechnology in respiratory research and medicine and to highlight important issues and recent data pertaining to nanoparticle-related pulmonary toxicity.

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Citations
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Journal ArticleDOI

Biological Interactions of Graphene-Family Nanomaterials: An Interdisciplinary Review

TL;DR: A systematic nomenclature for this set of Graphene-Family Nanomaterials (GFNs) is proposed and specific materials properties relevant for biomolecular and cellular interactions are discussed and several unique modes of interaction between GFNs and nucleic acids, lipid bilayers, and conjugated small molecule drugs and dyes are discussed.
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Plastic waste in the marine environment: A review of sources, occurrence and effects.

TL;DR: The sources, occurrence, fate and effects of plastic waste in the marine environment are summarized, with land- and ocean-based sources being the major sources and domestic, industrial and fishing activities being the most important contributors.
Journal ArticleDOI

Nanoparticles in biological systems.

TL;DR: The interaction of particles with biology unravels a series of new mechanisms not found for molecules: altered biodistribution, chemically reactive interfaces, and the combination of solid-state properties and mobility.
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Inhaled carbon nanotubes reach the subpleural tissue in mice

TL;DR: It is shown that multi-walled carbon nanotubes reach the sub-pleura in mice after a single inhalation exposure of 30 mg/m3 for 6 hours and it is suggested that minimizing inhalation of nanot tubes during handling is prudent until further long term assessments are conducted.
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Device stability of perovskite solar cells – A review

TL;DR: A thorough overview of state of the art of stability of perovskite solar cells and important degradation issues involved in this technology are discussed in this paper. But the degradation mechanisms resulting from thermal and chemical instabilities, phase transformations, exposure to visible and UV light, moisture and oxygen and most importantly sealing issues are thoroughly analyzed.
References
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Journal ArticleDOI

Toxic Potential of Materials at the Nanolevel

TL;DR: The establishment of principles and test procedures to ensure safe manufacture and use of nanomaterials in the marketplace is urgently required and achievable.
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Nanotoxicology: An Emerging Discipline Evolving from Studies of Ultrafine Particles

TL;DR: Results of older bio-kinetic studies with NSPs and newer epidemiologic and toxicologic studies with airborne ultrafine particles can be viewed as the basis for the expanding field of nanotoxicology, which can be defined as safety evaluation of engineered nanostructures and nanodevices.
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Translocation of Inhaled Ultrafine Particles to the Brain

TL;DR: The study concludes that the central nervous system (CNS) can be targeted by airborne solid ultrafine particles and that the most likely mechanism is from deposits on the olfactory mucosa of the nasopharyngeal region of the respiratory tract and subsequent translocation via the Olfactory nerve.
Journal ArticleDOI

Pulmonary Toxicity of Single-Wall Carbon Nanotubes in Mice 7 and 90 Days After Intratracheal Instillation

TL;DR: Results show that, for the test conditions described here and on an equal-weight basis, if carbon nanotubes reach the lungs, they are much more toxic than carbon black and can be more Toxic than quartz, which is considered a serious occupational health hazard in chronic inhalation exposures.
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