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, Volume: 15( 12)

Nanotechnology Uses in Drug Delivery

Matilda Davis*

Matilda Davis
Editorial Office, Organic Chemistry: An Indian Journal, UK
E-Mail:  [email protected]

Received: December 09, 2021; Accepted: December 09, 2021; Published: December 09, 2021

Citation: Davis M. Nanotechnology Uses in Drug Delivery. Org Chem Ind J. 2021;15(12):56


The 1918 Spanish Influenza Pandemic ravaged the world just over 100 years ago. The flu was caused by a bacterial strain of the H1N1 influenza virus. The virus infected about a third of the world's population, killing between 50 million and 100 million people. The outbreak prompted scientists to research antiviral treatments and vaccines to combat the virus. The first inactivated influenza vaccine for civilians would not be made available in the United States until 1945. Several other influenza pandemics, including those in 1957 (H2N2), 1968 (H3N2), and 2009 (H3N2), also occurred despite the vaccine (H1N1pdm). The genetic code of the original 1918 H1N1 virus was used in all three outbreaks. These additional strains highlight the risks of viruses and the challenge of antiviral therapy.


Nanotechnology has demonstrated that it can bridge the gap between medical and physical sciences by using nanostructures and nanophases in a range of sectors, including nanomedicine and nano-based drug delivery systems, where such particles are of special relevance. Nanomaterials are materials with dimensions ranging from 1 to 100 nanometers that have an impact on nanomedicine's frontiers, from biosensors to microfluidics, drug delivery, and microarray experiments to tissue engineering.. To build nanomedicines, nanotechnology hires curative agents at the nanoscale stage. Nanoparticles also fueled the world of biomedicine, which includes nanobiotechnology, drug delivery, biosensors, and tissue engineering. Nanoparticles are usually thin nanospheres made up of materials engineered at the atomic or molecular level. As a result, they can travel more naturally inside the human body than larger materials. The structural, chemical, electronic, magnetic, electrical, and biological properties of nanoscale particles are all distinct. Nanomedicines have gained popularity in recent years as a result of their ability to encapsulate drugs or bind therapeutic drugs to nanostructures and distribute them to target tissues more accurately and with a controlled release. Nanomedicine is a new discipline that applies nanoscience knowledge and techniques to medical biology and disease prevention and treatment. It refers to the use of nanoscale materials in live cells, such as nanorobots, nanosensors, and actuates materials for diagnosis, distribution, and sensory purposes. For example, a nanoparticle-based approach was developed that merged cancer diagnosis treatment and imaging modalities. Lipid structures including liposomes and micelles, which are now FDA-approved, were used in the first wave of nanoparticle-based therapy. Inorganic nanoparticles such as gold or magnetic nanoparticles can be found in these liposomes and micelles. These characteristics have led to a rise in the use of inorganic nanoparticles for drug delivery, imaging, and therapeutic purposes. Furthermore, nanostructures are said to assist in the delivery of sparingly water-soluble drugs to their target site, as well as avoiding drug tarnishing in the gastrointestinal region. Since nano drugs have traditional absorptive endocytosis absorption pathways, they have a higher oral bioavailability.

Nanostructures linger in the circulatory system for a long time, enabling for the precise release of combined medicines. As a result, they have fewer negative effects and generate less plasma fluctuations. These nanoscale compounds can easily penetrate the tissue layer, enabling for rapid drug intake by cells, drug distribution, and activity at the desired spot. Nanostructures are taken up by cells at a much faster pace than big particles with sizes ranging from 1 to 10 micrometres. As a result, they collaborate to treat damaged cells more effectively and with fewer, if any, negative side effects.Nanoparticles have been shown to be helpful in collecting knowledge at all levels of clinical practice due to their use in various novel assays to cure and diagnose diseases. The key advantages of these nanoparticles are related to their surface properties, which enable different proteins to attach to the surface. Gold nanoparticles, for example, are used as biomarkers and tumor identifiers in a variety of biomolecule identification procedures. When it comes to the use of nanomaterials in drug delivery, the nanoparticles are selected based on the medicines' physicochemical qualities. The combination of nanotechnology and bioactive natural chemicals is extremely enticing, and its popularity has been rapidly increasing in recent years. It has a number of benefits when it comes to delivering herbal drugs for the treatment of cancer and a variety of other diseases. Because of their diverse properties, such as stimulating tumorsuppressing autophagy and functioning as antimicrobial agents, natural compounds have been extensively studied in the treatment of diseases. Curcumin and caffeine have been shown to induce autophagy, while cinnamaldehyde, carvacrol, curcumin, and eugenol have antimicrobial properties. By adding nanoparticles, they were able to improve their properties such as bioavailability, targeting, and controlled release. For example, after being encapsulated in a lipid nanocarrier, thymoquinone, a bioactive compound found in Nigella sativa, is studied. In addition to free thymoquinone, it demonstrated a sixfold improvement in bioavailability after encapsulation, protecting the gastrointestinal tract. It also improved the natural product's pharmacokinetic properties, resulting in improved medicinal effects. Target-specific drug delivery mechanisms also use metallic, chemical, inorganic, and polymeric nanostructures, such as dendrimers, micelles, and liposomes. These nanoparticles are specifically used to brand drugs with low solubility and absorption ability. The effectiveness of these nanostructures as drug delivery vehicles, however, varies depending on their scale, form, and other biophysical/chemical properties. Polymeric nanomaterials with diameters ranging from 10 nm to 1000 nm, for example, have properties that make them suitable for use as a distribution vehicle. Various synthetic polymers, such as polyvinyl alcohol, poly-l-lactic acid, polyethylene glycol, and poly (lactic-co-glycolic acid), and natural polymers, such as alginate and chitosan, are widely used in the nanofabrication of nanoparticles due to their high biocompatibility and biodegradability properties. Nanospheres and nanocapsules are two types of polymeric nanoparticles that are both effective drug delivery mechanisms. Compact lipid nanostructures and phospholipids, such as liposomes and micelles, are also very useful in drug delivery. As a result, carefully preparing these nanoparticles can help alleviate some of the challenges that come with their use. Given the foregoing, the purpose of this study is to present various nano-based drug delivery systems, as well as significant applications of natural compound-based nanomedicines, bioavailability, targeting sites, and controlled release of nano-drugs, as well as other challenges associated with nanomaterials in medicine.

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Organic Chemistry: An Indian Journal received 521 citations as per Google Scholar report

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