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First-in-human controlled inhalation of thin graphene oxide
2024年2月16日 · Graphene oxide nanomaterials are being developed for wide-ranging applications but are associated with potential safety concerns for human health. We conducted a double-blind randomized...
Toxicity of graphene-family nanoparticles: a general review of …
Generally, GFNs may exert different degrees of toxicity in animals or cell models by following with different administration routes and penetrating through physiological barriers, subsequently being distributed in tissues or located in cells, eventually being excreted out of the bodies.
Effects of Graphene Oxide Nanoparticles on the Immune …
2018年2月24日 · In the absence of mitogens, GONPs stimulated IL-10 synthesis by whole blood cell cultures. The current study shows that GONPs modulate immune system biomarkers and that these may pose a health risk to individuals exposed to this type of nanoparticle.
Toxicity of graphene-family nanoparticles: a general review of the ...
2016年10月31日 · The lungs are a potential entrance for graphene nanoparticles into the human body through airway. The inhaled GO nanosheets can destroy the ultrastructure and biophysical properties of pulmonary surfactant (PS) film, which is the first line of host defense, and emerge their potential toxicity .
Evaluation of Graphene Oxide Induced Cellular Toxicity and ...
We have previously shown the dose-dependent toxic effects of graphene oxide in a variety of cells, including human breast cancer, ovarian cancer, neuroblastoma, and human lung cancer cells [17,28,31].
Differential Cytotoxicity of Different Sizes of Graphene Oxide ...
ROS can cause some adverse effects, including downregulation of defensive systems to disrupt the structure and function of normal cells, and to cause unbalanced levels of antioxidants. ... Kim J.H. Graphene Oxide-Silver Nanoparticles Nanocomposite Stimulates Differentiation in Human Neuroblastoma Cancer Cells (SH-SY5Y) Int. J. Mol. Sci. 2017;18 ...
Investigation into the toxic effects of graphene nanopores on …
2018年9月1日 · An in vitro study of the effects of graphene and graphene oxide on human skin HaCaT keratinocytes demonstrated that oxidized graphene was the most cytotoxic, inducing mitochondrial and plasma-membrane damage, and suggesting low …
Acute, controlled inhalation of thin graphene oxide nanosheets in ...
2024年4月8日 · A double-blind, randomized, controlled human exposure trial of highly purified and thin nanometre-sized graphene oxide nanosheets shows that acute inhalation of aerosolized nanoparticles is...
59 First-in-Human Controlled Exposure to Inhaled Graphene Oxide
2023年5月10日 · Graphene oxide particles at 200 µg/m 3, or filtered air, were inhaled for 2 hours by 14 young healthy volunteers on repeated visits, with measurement of cardiorespiratory parameters before and across 4 hours after exposure. Graphene oxide exposure was well-tolerated with no adverse effects.
[Immunogenic and toxic effects of graphene oxide nanoparticles …
2024年4月20日 · GO nanoparticles can induce sustained inflammatory and immunological responses in mouse GNs and cause RBC hemolysis and blood coagulation impairment, suggesting its muscular toxicity and hematotoxicity at high concentrations.