definition of Nanomaterials - Nanotechnology

What are Nanomaterials?

Nanomaterials are materials with structural components smaller than 100 nanometers in at least one dimension. At this scale, materials often exhibit unique quantum mechanical effects and possess properties significantly different from their larger-scale counterparts. These materials can be engineered to have specific physical properties that make them highly valuable in various applications.

How are Nanomaterials Categorized?

Nanomaterials can be broadly categorized into four types:

Carbon-based nanomaterials: These include fullerenes, carbon nanotubes, and graphene.
Metal-based nanomaterials: Comprising nanogold, nanosilver, and metal oxides.
Dendrimers: Branched nanomaterials with a tree-like structure.
Composites: Materials that combine nanoparticles with other materials to enhance properties.

What are the Unique Properties of Nanomaterials?

At the nanoscale, materials often exhibit enhanced optical properties, increased surface area, and greater mechanical strength. These properties are due to the high surface-to-volume ratio and the dominance of quantum effects at this scale.

Why are Nanomaterials Important?

Nanomaterials are crucial in a wide range of fields due to their unique properties. In medicine, they are used for drug delivery, imaging, and as therapeutic agents. In electronics, they enable the development of smaller, faster, and more efficient devices. They also play a significant role in environmental applications such as water purification and sensing.

What are the Challenges Associated with Nanomaterials?

Despite their potential, nanomaterials pose several challenges. The toxicity and environmental impact of nanomaterials are significant concerns. Their small size allows them to penetrate biological membranes, potentially leading to health risks. Moreover, the production and scalability of nanomaterials can be complex and costly.

What is the Future of Nanomaterials?

The future of nanomaterials is promising, with ongoing research focused on overcoming existing challenges and exploring new applications. Innovations in synthesis techniques and a deeper understanding of their properties are expected to drive advancements in various sectors, from healthcare to energy.

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The Emerging Star of Carbon Luminescent Materials: Exploring the Mysteries of the Nanolight of Carbon Dots for Optoelectronic Applications.

Issue Release: 2024

Electroactive Nanomaterials for the Prevention and Treatment of Heart Failure: From Materials and Mechanisms to Applications.

Issue Release: 2024

Special Issue Physiological and Molecular Responses of Plants to Engineered Nanomaterials.

Issue Release: 2024

An integrated new approach methodology for inhalation risk assessment of safe and sustainable by design nanomaterials.

Issue Release: 2024

Regulatory aspects of a nanomaterial for imaging therapeutic cells.

Issue Release: 2023

Enhancing paracellular and transcellular permeability using nanotechnological approaches for the treatment of brain and retinal diseases.

Issue Release: 2023

Nanomaterials: a review of emerging contaminants with potential health or environmental impact.

Issue Release: 2023

New insight in urological cancer therapy: From epithelial-mesenchymal transition (EMT) to application of nano-biomaterials.

Issue Release: 2023

Exploring the potential and safety of quantum dots in allergy diagnostics.

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Nanozymes: Definition, Activity, and Mechanisms.

Issue Release: 2023

One-dimensional nanomaterials for cancer therapy and diagnosis.

Issue Release: 2023

Exceptionally clean single-electron transistors from solutions of molecular graphene nanoribbons.

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Bioactive Materials for Caries Management: A Literature Review.

Issue Release: 2023

Porosity Effects on Static Performance of Carbon Nanotube-Reinforced Meta-Nanocomposite Structures.

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Bioactive inorganic nanomaterials for cancer theranostics.

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Nanozyme\'s catalytic activity at neutral pH: reaction substrates and application in sensing.

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Antibacterial Nanostructured Coatings.

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Refinement of the acute inhalation limit test for inert, nano-sized dusts by an dosimetry-based evaluation: case study for the dissolution of a regulatory dilemma.

Issue Release: 2023

SERS as a Probe of Surface Chemistry Enabled by Surface-Accessible Plasmonic Nanomaterials.

Issue Release: 2023

Metrological Protocols for Reaching Reliable and SI-Traceable Size Results for Multi-Modal and Complexly Shaped Reference Nanoparticles.

Issue Release: 2023

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