Incubation of solid state C 60 fullerene under UV irradiation mimicking environmentally relevant conditions

Carboni, A.; Helmus, Rick; Parsons, John R.; Kalbitz, Karsten; Voogt, P. de

doi:10.1016/j.chemosphere.2017.01.149

Cited by 3 publications

(4 citation statements)

References 27 publications

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“…To explore the impact of environmentally relevant conditions on fullerenes, Carboni and colleagues conducted an incubation experiment with C 60 under ultraviolet A (UVA) irradiation for 28 days. 1350 Their findings indicate that UVA irradiation alone can induce considerable degradation of C 60 . However, when C 60 was introduced into quartz sand or sandy soil samples, degradation occurred at a significantly faster rate.…”

Section: Environmental Accumulation and Fate Of Cnmsmentioning

confidence: 99%

“…Similar to the aquatic environments, the destiny of CNMs in terrestrial environment is subject to various factors (Figure ). To explore the impact of environmentally relevant conditions on fullerenes, Carboni and colleagues conducted an incubation experiment with C 60 under ultraviolet A (UVA) irradiation for 28 days . Their findings indicate that UVA irradiation alone can induce considerable degradation of C 60 .…”

Section: Biomedical and Environmental Translation Of Cnmsmentioning

confidence: 99%

See 1 more Smart Citation

Carbon Nanomaterial Fluorescent Probes and Their Biological Applications

Krasley,

Li,

Galeana

et al. 2024

Chem. Rev.

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Fluorescent carbon nanomaterials have broadly useful chemical and photophysical attributes that are conducive to applications in biology. In this review, we focus on materials whose photophysics allow for the use of these materials in biomedical and environmental applications, with emphasis on imaging, biosensing, and cargo delivery. The review focuses primarily on graphitic carbon nanomaterials including graphene and its derivatives, carbon nanotubes, as well as carbon dots and carbon nanohoops. Recent advances in and future prospects of these fields are discussed at depth, and where appropriate, references to reviews pertaining to older literature are provided.

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Section: Environmental Accumulation and Fate Of Cnmsmentioning

confidence: 99%

Section: Biomedical and Environmental Translation Of Cnmsmentioning

confidence: 99%

Carbon Nanomaterial Fluorescent Probes and Their Biological Applications

Krasley,

Li,

Galeana

et al. 2024

Chem. Rev.

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“…The wide variety of (photo)transformation products and the influence of ambient factors on their generation underpin the need to faithfully reproduce realistic environmental conditions in order to unambiguously identify which C 60 fullerene transformation products are generated in the real environment, to study their kinetics and, ultimately, to study their occurrence in real samples. This topic has recently been addressed in air [49] and soil [50] matrices, but has not been systematically assessed in waters with different physicochemical properties.…”

Section: Self-archived Accepted Manuscript -Published Article Availabmentioning

confidence: 99%

“…The use of an electrospray source, which has been used elsewhere for analysing these compounds [71], was also fruitless. In the literature, fullerenols were recently reported in soils incubated under ultraviolet irradiation [50] and in water suspensions prepared by direct sonication without light exposure [72,73]. Therefore, in a complementary experiment, a C 60 suspension was prepared in ultrapure water at pH 12 and was sonicated in an ultrasonic bath for hour.…”

Section: Identification Of Transformation Productsmentioning

confidence: 99%

Transformation of C60 fullerene aggregates suspended and weathered under realistic environmental conditions

Sanchís

Aminot

Abad

et al. 2018

Carbon

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The occurrence, fate and behaviour of carbon nanomaterials in the aquatic environment are dominated by their functionalization, association with organic material and aggregation behaviour. In particular, the degradation of fullerene aggregates in the aquatic environment is a primary influence on their mobility, sorption potential and toxicity. However, the degradation and kinetics of water suspensions of fullerenes remain poorly understood. In the present work, first, an analytical method based on liquid chromatography and high-resolution mass spectrometry (LC-HRMS) for the determination of C 60 fullerene and their environmental transformation products was developed. Secondly, a series of C 60 fullerene water suspensions were degraded under relevant environmental conditions, controlling the salinity, the humic substances content, the pH and the sunlight irradiation. Up to ten transformation products were tentatively identified, including epoxides and dimers with two C 60 units linked via one or two adjacent furane-like rings. Fullerenols were not observed under these environmentally relevant conditions. The kinetics of generation of each transformation product were studied with and without simulated sunlight conditions. The ionic strength of the media, its pH and the humic substances content were observed to modulate the kinetics of generation.

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Experimental investigation of the friction modifying effects of different nanoforms of graphene additives in engine lubricating oil

Tóth-Nagy,

Szabó

2022

FME Transactions

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This article presents the results of an experimental investigation of different nanoforms of graphene used as a nano additive in engine lubricating oil. The experiments were carried out on a pin-on-disc tribometer at the Department of Internal Combustion Engines and Propulsions at Széchenyi István University. The paper introduces the experimental equipment and the experimental method and presents the research findings. The paper concludes that fullerene can decrease friction by 7% on average when used as a nano additive in engine lubricating oil. Furthermore, fullerene did not present a sedimentation problem when used as an additive up to 0.25 wt% in lubricant instead of graphene and multiwalled carbon nanotubes. The paper attempts to explain the friction decreasing effect and the possible roles of carbon nano additives in tribological systems.

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Incubation of solid state C 60 fullerene under UV irradiation mimicking environmentally relevant conditions

Cited by 3 publications

References 27 publications

Carbon Nanomaterial Fluorescent Probes and Their Biological Applications

Carbon Nanomaterial Fluorescent Probes and Their Biological Applications

Transformation of C60 fullerene aggregates suspended and weathered under realistic environmental conditions

Experimental investigation of the friction modifying effects of different nanoforms of graphene additives in engine lubricating oil

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