Surya Prakash Gautam1*, Bhupinder Kaur2 and Tapsya Gautam1
Received: June 18, 2019 Published: June 21, 2019
Corresponding author: Surya Prakash Gautam, Department of Pharmaceutics, CT Institute of Pharmaceutical Sciences, India
Carbon Nano materials the king of nonmaterial’s have fascinating nanofamily including buckyballs or buckminsterfullerenes , multiwalled carbon nanotubes , the single-walled carbon naotubes(SWCNTs) , Carbon Nanohorns(CNHs), Carbon nanocones, Carbon nanofibers (CNFs), carbon nanothread, Buckypaper, carbon dots, nanodimons, nanoonions, nanorods, nanoribbons. Also called as powerful particles, CNTs (carbon nanotubes) has thus bloomed over the past decade [4,5]. Increasing evidence has shown that certain CNT properties such as nano-sized dimension, high surface energy, and large reactive surface area are directly correlated to their biological activities [6,7]. Great property of loading various biomolecules, diagnostic and therapeutic moieties resulting in diversified biomedical applications of CNTs (Figure 1).
I. Diagonsis and Imaging: CNT act as biosensor or Nanorobots, which helps in diagnosis of disease, their progression level and their pathological condition in quick and better way. CNT biosensor are made up by conjugating different biochemicals with CNTs, like in glucuometer biosensor, glucose peroxidase is conjugated with CNTs that is use for the detection of blood sugar level in diabetic patients. Another example is SWCNTs-DNA biosensor that is use of detection of antigen –antibody comlex, which further helps in molecular diagnosis in pathology [7,8]. Complex of fluorescent agents and CNTs act as radio-opique agent that is use for the detection of cell and biological system in In-vivo organs .
II. Cancer Therapy: Carbon nantubes are effective against Pancreatic Cancer, Brain Cancer, Blood Cancer, Breast Cancer, Colon Cancer, Liver Cancer, Lymph Node, Metastasis, Prostate Cancer by using different anticancer drugs like Paclitaxel, Daunorubicin, Amphotericin B, Carboplatin, siRNA, Doxorubicin, Metal halides, Methotrexate etc. Apart from drug delivery route there are another two methods for cancer therapy using CNTs are immunotherapy and anti-tumor hyperthermia therapy .
III. Gene Therapy: CNTs and CNHs are used as vector in genetic engineering due to their cylindrical nature, which wrap the desired DNA and deliver it to target site to cure the genetic disorders by correcting misread or missense gene sequence .
IV. Infection/HIV Therapy: CNTs itself have antimicrobial activity by oxidising intracellular glutathione and resulted increase the oxidative stress on microbial cell that cause natural death of pathogen. CNTs also used in number of vaccinations to active immune response by triggering MHC-II, which further promote natural antibody production to stop the infection . HIV( human immunodeficiency virus) that attack the immune response and decline the natural immunity, till date we cannot stop it completely but we can suppress or stop virus multiplication and control the disease .In this case conjugation of CNTs with siRNA that further deliver to T-Cell to stop virus proliferation .
V. Ocular Delivery: In case of ocular delivery there are number of challenges to deliver the drug to get adequate response with minimizing risk of infection. So therefore, SWCNTs-NH₃+ used as carrier to deliver antigen synthetic vaccination, safely and effectively by avoiding risk of necrosis and tissue degeneration .
VI. As Antioxidant: CNTs and CNHs are natural anti-oxidants. They are used in preserving drug molecules in formulation by inhibiting their oxidation. Furthermore, due to this property they are also used in anti-aging cosmetics products that oxidized the skin and stay it healthy and young .
VII. Neurodegenerative (ND)/Alzheimer Disease: Graphene sheets, and by extension CNTs, are excellent conductors of electricity, and thus are highly useful in the regeneration of neurons. Neurons can grow successfully on CNT beds, and modifying the surface with 4-hydroxyonoenal, known to be involved with neuron growth, can improve the neuron length and degree of branching over CNTs . CNTs have many small additional sites that provide high surface area for external modification that’s why it is use as carrier to deliver the acetylcholine through blood brain barrier (BBB) and to treat Alzheimer Disease [14-16].
VIII. Tissue/Bone Regenreation: CNTs for the purpose of bone regeneration are being developed, which use negatively charged functional groups with calcium bonded to them. This can provide a scaffold to which hydroxyapatite, the most common inorganic component of bone, can attach. CNTs are very strong, stiff, and flexible which makes them an excellent alternative to the titanium or ceramic bone scaffolds [17,18].
IX. Carbon based nonmaterial by virtue of its therapeutic and diagnostic dual functions have emerged as theranostic nanomedicine. Carbon nanotubes intrinsic medicinal activities along with drug candidates may enhance the effectiveness of drug delivery. Unprecedented growth of patents and publication in last decade has forecasted the future of carbon based drug materials. A precise control for synthesis, purification and tools to increase solubility and further bio-functionality may lead to the development of carbon naotube based formulations. There is a need of clinical investigations for exploring the intrinsic medicinal activities of carbon nanotubes.
Bio chemistryUniversity of Texas Medical Branch, USA
Department of Criminal JusticeLiberty University, USA
Department of PsychiatryUniversity of Kentucky, USA
Department of MedicineGally International Biomedical Research & Consulting LLC, USA
Department of Urbanisation and AgriculturalMontreal university, USA
Oral & Maxillofacial PathologyNew York University, USA
Gastroenterology and HepatologyUniversity of Alabama, UK
Department of MedicineUniversities of Bradford, UK
OncologyCirculogene Theranostics, England
Radiation ChemistryNational University of Mexico, USA
Analytical ChemistryWentworth Institute of Technology, USA
Minimally Invasive SurgeryMercer University school of Medicine, USA
Pediatric DentistryUniversity of Athens , Greece
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