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Carbon is the basis of all organic matter on Earth, and is recycled through the ecosystem in two primary processes: one in which carbon is exchanged among living organisms, and one in which carbon is cycled over long periods of time through fossilized organic remains, weathering of rocks, and volcanic activity. Human activities, including increased agricultural practices and the burning of fossil fuels, has greatly affected the balance of the natural carbon cycle.
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Atmospheric CO2 penetrates the concrete's pores and, in the presence of moisture, forms carbonic acid, which then reacts with calcium hydroxide in the hydrated cement, forming calcium carbonate. This process reduces the concrete's volume and is termed carbonation shrinkage.
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Carbon-Based Nanomaterials for Biomedical Applications: A Recent Study.

Debabrata Maiti1, Xiangmin Tong2, Xiaozhou Mou2

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Carbon-based nanomaterials (CBNs) offer unique properties for biomedical uses. This review highlights recent advances in CBNs for bio-sensing, drug delivery, and cancer therapy.

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Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Nanotechnology

Background:

  • Carbon-based nanomaterials (CBNs) possess diverse chemical and physical properties.
  • These properties make CBNs suitable for various biomedical applications.
  • Examples of CBNs include carbon nanotubes (CNT), graphene oxide (GO), and graphene quantum dots (GQDs).

Purpose of the Study:

  • To review recent developments in CBNs for biomedical applications.
  • To summarize the use of CBNs in bio-sensing.
  • To discuss the application of CBNs in drug delivery and cancer therapy.

Main Methods:

  • Literature review of recent studies on CBNs in biomedical fields.
  • Analysis of the properties and applications of specific CBNs (CNT, GO, GQDs).
  • Categorization of applications into bio-sensing, drug delivery, and cancer therapy.

Main Results:

  • CBNs show significant promise in bio-sensing due to their unique properties.
  • CBNs are being actively developed for targeted drug delivery systems.
  • CBNs demonstrate potential in various cancer therapy strategies.

Conclusions:

  • CBNs are versatile materials with growing importance in biomedicine.
  • Continued research into CBNs will likely lead to further innovations in healthcare.
  • The unique properties of CBNs enable diverse applications from diagnostics to therapeutics.