Invisible but tangible? Societal opportunities and risks of nanotechnologies

Türk, Volker; Kaiser, Claudia; Schaller, Stephan

doi:10.1016/j.jclepro.2007.04.012

Cited by 16 publications

(8 citation statements)

References 2 publications

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“…In a wide range of studies, public opinion and awareness, public acceptability, social aspects and controversies (potential risks and benefits) facing new food technology innovators have been examined Dunkley, 2004;Onyango et al, 2004;Ronteltap et al, 2007;Busch, 2008;Turk et al, 2008;Bouwmeester et al, 2009;Boyce, 2009;Vandermoere et al, 2011). These studies clearly indicate that there is a general lack of awareness and understanding of new food technologies (i.e.…”

Section: Literature Review Technology and Foodmentioning

confidence: 99%

Do environmental attitudes and food technology neophobia affect perceptions of the benefits of nanotechnology?

Matin

Goddard

Vandermoere

et al. 2012

Int J Consumer Studies

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In recent years, a significant amount of research has focussed on the analysis of consumers' aversion to new technologies in food production and processing. At the same time, research has shown that environmental attitudes may be related to purchasing behaviour of consumers. This paper presents the result of an investigation into Canadian attitudes towards nanotechnology, in general, and in applications in the food industry. The relationship between the food technology neophobia scale, environmental attitudes and nanotechnology is examined. The results suggest that food technology neophobia is significant in explaining attitudes towards nanotechnology, in general, and for food packaging and foods. Environmental attitudes are important in explaining respondents' attitudes towards nanotechnology in general but not in explaining attitudes towards nanotechnology in food packaging or food applications. Survey respondents' views of the role of science and technology in society (makes society worse or better off) are a more important determinant of attitudes towards nanotechnology than whether they had heard of nanotechnology prior to the survey.

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Section: Literature Review Technology and Foodmentioning

confidence: 99%

Do environmental attitudes and food technology neophobia affect perceptions of the benefits of nanotechnology?

Matin

Goddard

Vandermoere

et al. 2012

Int J Consumer Studies

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show abstract

“…[1][2][3] However, enthusiasm for this nanotechnology raises the question of both toxicological and environmental impacts. 4 In the biomedical field, several areas are represented, such as nanosurgery, in which NPs are used as nano-heaters to burn malignant cells, 5 nano-vectors, in which NPs are used as drug delivery agents to a target site, and nano-tracers, in which NPs are used for diagnosis through medical imagery. 6 Magnetite (Fe 3 O 4 ) NPs offer many potential applications to these fields: they are superparamagnetic (i.e., they exhibit magnetic behavior in the presence of magnetic fields), they are MRI-detectable, with specific microfabrication increasing their magnetic resonance imaging (MRI) sensitivities, their surfaces may be functionalized to act as drug receptors, and their temperatures may be raised in alternating magnetic fields.…”

Section: Introductionmentioning

confidence: 99%

In vitro biocompatibility assessment of functionalized magnetite nanoparticles: Biological and cytotoxicological effects

Mbeh¹,

França²,

Merhi³

et al. 2012

J Biomedical Materials Res

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In the biomedical field, nanomaterials have the potential for use in the targeted delivery of drugs in the human body and in the diagnosis and therapy of certain diseases. In the category of targeted delivery, magnetite (Fe(3)O(4)) nanoparticles have received much attention. As with any similar new therapy, when such nanoparticles are functionalized with chemical groups designed to permit the specific attachment of drugs, cytotoxicological testing is necessary before moving to animal models. Here, we consider several variously functionalized magnetite nanoparticles, including those prepared with (1) a monolayer of oleic acid (Fe(3)O(4)@OA), which is subsequently converted to (2) a shell of amine-containing silane (Fe(3)O(4)@NH(2)), (3) a shell of silica (Fe(3)O(4)@SiO(2)), and (4) a shell of amine-containing silane over a shell of silica (Fe(3)O(4)@SiO(2)@NH(2)). These latter three functionalities were evaluated for biocompatibility, cellular morphology, mitochondrial function (MTT assay), lactate dehydrogenase membrane leakage (LDH assay), and proinflammatory potential through enzyme linked immunosorbent assay (ELISA) for interleukin 6 (IL-6). Controlled tests were performed over a period of 72 h, with results showing LDH leakage and abnormal Il-6 secretion at high concentrations (>50 μg/mL). The tests showed that, in addition to the surface characteristics of the nanoparticles, both the nutrient medium and the time of suspension before exposure to cells also contribute to nanoparticle cytotoxicity.

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“…In modern transportation, new smart high speed and efficient vehicles are unimaginable without the application of nanotechnologies such as lightweight nanomaterials, scratch resistant paints, and nanofluids. However, several studies [26,27,28,29,30] have manifested that the application of nanomaterials has some potential issues, including toxicity or exposure that can threaten living organisms as well as environmental health, and a precise framework and management system is needed to reduce these risks. The development of an effective and efficient regulatory scheme could be an effective strategy to classify nanomaterials based on their exposure and toxicity.…”

Section: Introductionmentioning

confidence: 99%

Nanotechnology in Transportation Vehicles: An Overview of Its Applications, Environmental, Health and Safety Concerns

Shafique

Luo

2019

Materials

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Nanotechnology has received increasing attention and is being applied in the transportation vehicle field. With their unique physical and chemical characteristics, nanomaterials can significantly enhance the safety and durability of transportation vehicles. This paper reviews the state-of-the-art of nanotechnology and how this technology can be applied in improving the comfort, safety, and speed of transportation vehicles. Moreover, this paper systematically examines the recent developments and applications of nanotechnology in the transportation vehicle industry, including nano-coatings, nano filters, carbon black for tires, nanoparticles for engine performance enchantment and fuel consumption reduction. Also, it introduces the main challenges for broader applications, such as environmental, health and safety concerns. Since several nanomaterials have shown tremendous performance and have been theoretically researched, they can be potential candidates for applications in future environmental friendly transportation vehicles. This paper will contribute to further sustainable research and greater potential applications of environmentally friendly nanomaterials in healthier transportation vehicles to improve the transportation industry around the globe.

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Invisible but tangible? Societal opportunities and risks of nanotechnologies

Cited by 16 publications

References 2 publications

Do environmental attitudes and food technology neophobia affect perceptions of the benefits of nanotechnology?

Do environmental attitudes and food technology neophobia affect perceptions of the benefits of nanotechnology?

In vitro biocompatibility assessment of functionalized magnetite nanoparticles: Biological and cytotoxicological effects

Nanotechnology in Transportation Vehicles: An Overview of Its Applications, Environmental, Health and Safety Concerns

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