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Nanorobots as an Alternative for Treatment to Vaccines for COVID-19

Dalvinder Singh Grewal

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Jan 3, 2010
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Nanorobots as an Alternative for Treatment to Vaccines for COVID-19

Prof Dalvinder Singh Grewal Ph.D., Desh Bhagat University Dalvinder45@rediffmail.com
Ramanjit Kaur Ph.D. Scholar Asst. Prof BMS College of Engineering

Introduction
Globally, as of 5:31 pm CEST, 18 June 2021, there have been 177,108,695 confirmed cases of COVID-19, including 3,840,223 deaths, reported to WHO. As of 20 June 2021, a total of 2,412,226,768 vaccine doses have been administered.[1] Do these vaccinations ensure that these will kill the virus from their roots and there will be no further spread of pandemic? There is no positive answer available at present since now the talk of the third wave is on and planning is being made on how to contain it. What is essential; is killing the virus from its very roots. It needs a totally different mechanism; the vaccine is only a temporary arrangement. Can nano-bots be employed for killing the virus from the roots? The purpose of this paper is to study the effectiveness of vaccines to kill the virus and stopping its spread totally. If it is not effective; then consider medical nanobots as the alternative; their development, manufacture, inoculation into a body, and the process of permanent elimination of the virus. Here first COVID 19 is defined, next the effectiveness of vaccines for COVID 19 is studied, and then the efficacy of nanotechnology with specific reference to medical nano-robots and their effectiveness vis-à-vis vaccines is analyzed.

COVID-19

Fig 1: COVID-19 Virus
COVID-19 has four abbreviations combined in one i.e., ‘CO’ for corona; ‘VI’ for the virus; ’D’ for disease, and 19 for 2019; meaning disease found in 2019. COVID-19 stands for a new strain of coronavirus. Initially, UNO numbered it as novel coronavirus by the year of origin 2019 '2019-nCoV.' (WHO) (2) COVID-19 has strange ways of affecting different people varying from low to serious infections. Mild to moderate illness like fever, dry cough, and tiredness is developed in most people and they do not require hospitalization to recover. Less common symptoms are aches and pains, sore throat, diarrhea, conjunctivitis, headache, loss of taste or smell, a rash on the skin, or discoloration of fingers or toes. (WHO)
COVID-19 is thus a virus that is a replicating agent replicating only the inside living cells of organisms affecting all types of life forms (3, 4) More than 9,000 virus species have been described with detail [5] of the millions of types of viruses in the environment.[6] Viruses are found in almost every living system on Earth as biological entities.[7][8]

A host cell is forced to rapidly-produce thousands of copies of the original virus when infected with the virus. When in the process of infecting a cell or when the viruses or virions, exist in the form of independent particles, they consist of: (i) RNA that encode the structure of the proteins by which the virus acts for long molecules of DNA. This is when they are not inside an infected cell/genetic material (ii) they form a protein coat, which surrounds and protects the genetic material. In some cases (iii) they may be outside as envelop of lipids in either of helical or icosahedral shape or of more complex structures. Virions, the species of virus, maybe one-hundredth the size of most bacteria, too small to be seen with an optical microscope.

The viruses are said to have originated from pieces of DNA or plasmids capable of moving between cells or originated from bacteria. Like sexual reproduction, these viruses increase genetic diversity through gene transfer.[9] Some biologists consider these to be life forms, because they carry genetic material, reproduce, and evolve through natural selection. But the key characteristics, like cell structure necessary for life, do not exist in them. They have some but not all such qualities of viruses. These can be stated as the "organisms at the edge of life",[10] or self-replicators.[11] COVID 19 is a type of coronavirus.

Coronavirus
Coronavirus belongs to a group of RNA viruses. It causes a variety of respiratory, gastrointestinal, and neurological diseases in humans and other animals through infection with or through the disease caused by a coronavirus and is stated to be "1: Belonging to a family (Coronaviridae) of giant single-stranded RNA viruses having a lipid envelope studded with club-shaped spike proteins, these infect birds and lots of mammals including humans. The affecting elements of MERS, SARS, and COVID-19 are also included. Variety of illnesses in animals, and one-third of common colds and sometimes respiratory infections in premature infants are caused by Coronaviruses. [12] In 2003 a previously unknown coronavirus caused an outbreak of SARS in human beings and in 2019 COVID-19 has caused a pandemic.

COVID-19 (SARS-CoV-2) spread around the world and shown R0 values from 2.2 to 2.68 is the most recent human coronavirus. COVID19 however has not been as fatal as other human coronaviruses (such as severe acute respiratory syndrome coronavirus (SARS-CoV) and Middle East respiratory syndrome coronavirus (MERS-CoV)). [13]

Effect of Vaccination
Vaccination was resorted to control COVID 19 at the Global level but there have been adverse effects of these vaccinations and there is no conformity that these vaccines will stop further development of the virus. A little over 26,000 cases of Adverse Events Following Immunisation (AEFI) and 488 deaths linked to post-vaccination complications have been reported in India between January 16 and June 7, according to government data accessed by CNN-News18.[14 ]
Outbreaks of such pandemics tested the limits of healthcare systems. No officially approved 100 percent effective drugs or vaccination for COVID-19 are available yet, though the number of infected patients is continuously increasing. Symptomatic relief and respiratory support is mainly used in the current treatments of seriously ill patients [15, 16]. 100 percent effective, targeted, and safe drugs and vaccines to control this virus are still underway. Because of viral mutations and the resulting emergence of new viral strains, the effectiveness of the new vaccines, safe drugs and conventional treatments of viral infections progressively fades away take time [17]. Because of the long process necessary to prove their efficacy and safety, the development of new drugs is lagging behind the need for them [18]. Multidisciplinary research efforts are needed towards the development of alternative antiviral therapies, targeting different phases in the viral replication cycle to overcome the limitations and to improve antiviral treatments [19, 20]. The use of conventional therapies and diagnostic tools has posed serious questions about management.

Nanotechnology for containing the virus
Under these conditions, nanotechnology offers new opportunities for the development of novel strategies in terms of prevention, diagnosis, and treatment of COVID-19 and other viral infections. Nanotechnology has already drawn attention in investigating the potential use in the prevention and/or treatment of viral infections [21,22,23] and is now used as disinfectants, personal protective equipment, diagnostic systems, and nano-carrier system for treatments and vaccine development and offers a big scope as nanobots for COVID-19 virus management. The design and application of several materials and devices with at least one dimension less than 100 nanometres falls under the definition of Nanotechnology. The application of nanotechnology in the medical field is known as nano-medicine. This includes the use of nano-materials for diagnosis, treatment, control, and prevention of diseases [24,25]. Nanoparticles have been extensively used and studied over the recent decades, due to their unique properties, such as small size, improved solubility, surface adaptability, and multi-functionality, resulting in the development of better and safer drugs, tissue-targeted treatments, personalized nano-medicines, and early diagnosis and prevention of diseases [26, 27].

Various approaches of diagnosis, treatment, and prevention of COVID-19 through Nanotechnology could avoid viral contamination and spray by (a) personal protective equipment (PPE) designed to be infection-safe to enhance the safety of healthcare workers and development of effective antiviral disinfectants and surface coatings. These are able to inactivate the virus and prevent its spread; (b) designing specifically highly sensitive nano-based sensors and to quickly identify the infection or immunological response; (c) development of new drugs, with enhanced activity, decreased toxicity, and sustained release, as well as tissue-target, for example, to the lungs; and (d) development of a nano-based vaccination to boost humoral and cellular immune responses and (e) Use of nano-robotics for eliminating of coronavirus.

For the virus infection with high specificity and sensitivity, nano-based biosensors might be utilized in diagnostics [28,29]. A new generation of vaccines with improved antigen stability, target delivery, and controlled-release are different types of nanomaterials.[30,31]. The Study of the mechanism by which viruses infect host cells can be enabled by nanoparticle-based markers. [32,33,34] The Schematic representation of SARS-CoV-2 infection and the tools of nanotechnologies that can be used to prevent and control COVID-19 is given in the figure below:

Fig 2: The Schematic representation of SARS-CoV-2 infection and the tools of nanotechnologies that can be used to prevent and control COVID-19

Nanorobots
Nano-robotics is an emerging technology field creating machines or robots whose components are at the scale of a nanometer (10−9 meters).[35,36,37] More specifically, nano-robotics refers to the nanotechnology engineering discipline of designing and building nano-robots, with devices ranging in size from 0.1 to 10 micrometers and constructed of nanoscale or molecular components.[38,39] The terms nano-bot, nanoid, nanite, nano-machine, or nano-mite have also been used to describe such devices currently under research and development. [40,41] With an autonomic pre-programmed structure of the atomic level, a nanorobot is a machine belonging to the nanorobotics engineering discipline capable of manipulating precisely and arranging atoms like Lego pieces and building any structure from basic atomic elements such as C, N, H, O, P, Fe, Ni, and so on. Billions of nanobots with biological names like “ribosome,” are operating inside our trillions of cells keeping us alive which are actually machines programmed with a function like “read DNA sequence and create a specific protein.”

To counter COVID19 and its variants we need such nanobots. Functions needed for nanobots are actuation, sensing, manipulation, propulsion, signaling, and information processing at the nanoscale. DNA strands in Test Tubes can be used for computer programming of nanobots to activate these by logical AND gates for starting the function of navigation. After its entry in the host strand, the payload will open a socket for remote control, like conventional hacking. Replication starts from the payload to replace worn-out units.
Nanorobots are already on the research thresh hold in the following fields 1. Treatment of cancer replacing chemotherapy; delivery of therapeutic and imaging agents for cancer 2. Dental treatment including surgery 3. DNA Origami 4. DNA Sensors as Biosensors 5. Eye surgery 6. Nanogene therapy 7. Health Monitoring 8. By pass surgery 9. Treatment of Gout 10. Tissue reconstruction therapy 11. Other Delicate surgeries 12. Information delivery to the brain and many other medical applications.

Functions needed to be performed by nanobots include sensing, manipulation, propulsion, signaling, and information processing at the nanoscale.

Structural Material for Nanorobot

According to Scientists carbon atoms in a diamondoid structure because of their inert properties and strength is ideally suited for the exterior of a nano-robot. Nano-robots are allowed to go about their business unimpeded on super-smooth surfaces since these will lessen the likelihood of triggering the body's immune system. Source for propulsion might be glucose or natural body sugars and oxygen and depending on its task, the nano-robot will have other biochemical or molecular parts [42] Organic materials such as proteins and polynucleotides, or inorganic materials such as metals or diamond can be used to produce nanobots. [43,44]

Diamond stands out for its high strength and high performance. Metals could have a double purpose, for example, to have an antibacterial effect, silver can be the base of a nanobot.[45,46,47] In some cases, they can act as a virus causing irreversible cell damage.5 For defining the solubility and interactions with other macromolecules or cell surfaces, the surface properties of the nanobots are a key factor. The size or shape of a nanobot will affect directly its motion, permeabilization Tn, and reactivity.[48] Motion, permeabilization, and reactivity of nanobots is directly affected by their size and shape.[48] To obviate this models could be of different extracellular nanostructures. For achieving efficient propulsion in biological media Ga et al [49] used spiral water conduction vessels of plants coated with thin Ti and Ni layers, achieving efficient propulsion in biological media.[49] The propulsion mechanism can be biocompatible or not depends on the fuel used.[50,51]

Nanobots in medicines aim to pinpoint the target and act; it may be the delivery of medicines or eliminating the affected cells.[52] They may be used to detect and mobilize to a determined part of the body where the problem is located, send feedback, and act. This requires sensors propulsion equipment, power supply, nanocomputers, manipulators, and storage compartments.[53]

Sensors
Any sensor that uses a nanoscale phenomenon for its operation is classified as a nanosensor [51]. Nanosensors may be mechanical, thermal, optical, magnetic, chemical, or biological as per the need. [51] Since it is the biological aspect of medicine biological sensors are the most viable proposition for coronavirus elimination. [54] For example, nano-cantilevers as a Nano Electro-Mechanical System (NEMS) utilize biological material attached to a coated cantilever, causing fundamental changes in mass or its surface tension. [55] Nanobots in medicines aim to pinpoint the target and act; it may be the delivery of medicines or eliminating the affected cells. [52] They may be used to detect and mobilize to a determined part of the body where the problem is located, send feedback, and act. This requires (a) sensors (b) propulsion equipment, (c) power supply, (d) nanocomputers, (e) manipulators, and (f) storage compartments. [53] Since it is the biological aspect of medicine biological sensors are the most viable proposition. [54] For example, nano-cantilevers as a Nano Electro-Mechanical System (NEMS) utilize biological material attached to a coated cantilever, causing fundamental changes in mass or its surface tension. [55]

Nano-Cantilevers
Nano Cantilevers are essential and important parts of nanobots. A basic micromechanical component in many MEMSs is the cantilever, represented which is frequently integrated with electronic and/or optoelectronic components for various purposes. Very thin GaAs cantilevers have been produced via micromachining technologies through semiconductor cantilevers that are mostly fabricated from Si. Metallic cantilevers are used mainly as absorbers of chemical or biological substances. Nano-cantilevers have widths and thicknesses of a few nanometres and lengths of a few microns. On the organic part, biosensors utilize biological reactions for detecting target analytes, [54] and considering the need to accomplish the target treatments. These types of sensors are the appropriate devices to meet the goals of nanobots in medicine. An example of this type of sensor is the utilization of nano-cantilevers as a Nano Electro-Mechanical System (NEMS). To cause fundamental changes in mass or its surface tension this system utilizes biological material attached to a coated cantilever. [55]

Fig 3: Virus particles attaching to antibodies on nano cantilever

Cantilevers can operate either in dynamic or static mode. In dynamic mode, the cantilevers respond to the biochemical interactions of the surface through a change in the resonance frequency caused by the mass or rigidity of the target molecule. Thus the frequency is used to analyze the topography of the surface, and detect the different molecular bonds. Static mode relies on the absorption of determined analytes from a static cantilever causing differential surface stress (bending. Consequently, it causes deflection regarding the reference point. [56, 57] The relationship between the sensor and the analyte is defined by this differential surface stress. [57] To detect the presence of target biomolecules in a small volume of samples, these cantilever attributes can be utilized. In medicine, this implies an early detection of diseases, such as cancer. [58]

Propulsion equipment
Nanoscale devices that have their own propulsion are called nanomotors. They obtain the energy by chemical reactions of the medium, electricity, magnetic, or acoustic fields. [59,60] Viscosity and Brownian motion may cause problems; Brownian motion corresponds to the random motion of particles caused by the thermal collisions between the molecules of the solvent and the colloidal particles. [61] Nanobots need sufficient energy to overcome the properties of a fluid in nanoscale and achieve movement which may be a problem. [62]

The movement of the nanobots can be facilitated by an external or internal approach. In the external approach for propulsion, after some predecessor studies in the eighties using magnets and super conducing-magnets, MRI devices became the leading option [52] Advantages of this system include controlling the speed and direction of nano-bots from an external computer thereby decreasing risk considerably. [63] Real-time feedback of the behavior of the nano-bots can be known through the MRI providing all the power depending on the external machine. Developing complicated and power-consuming nano-motors can be avoided. In the internal approach, the best models are the bio-motors that exist in nature already. Cell division, protein synthesis, and DNA transcription are some of the fields of natural energy which can be used to develop chemical energy for movement. [62]

Nanobots have to act like a nano-doctor inside the body. Research on cancer, the leading cause of death is already on [63, 64] where the nanobot will move independently around the body and detect a cancer cell, Figure 1. When inside or interacting with the cancer cells they will release the drug at the cancer cells reducing the side effects of anti-cancer drugs on other parts of the body. [65] Some nanoscale robots can destroy cancer cells through thermal necrosis when a non-invasive external source of heating; or stimulus will be applied In addition to the cancer drug attack. Super magnetic beads can penetrate and destroy cancerous tissues with a magnetic field. [66]

Entering nanobots into the human body

Nanomedicine's nanorobots are of nanosize hence so small that they can easily enter the human body and roam around. Nano-bots will be injected into the circulatory system by intravenous infusion techniques for atherosclerosis and other cardiovascular diseases such as ischemic or arrhythmias, and for acting against fatty deposits. Nano-bots are planned to be used for diagnosis and treatment of demyelination, as nano-robots can reach the layer of myelin in the nerves. Detection of Alzheimer's disease by specific nano-bots based on the amyloid protein β deposits is also in progress. [67]

Some Essential Parts needed for a Nanorobot

1. Sensors: Pressure, Chemical, and temperature
2. Propulsion system
3. Power source
4. Magnetic plates
5. Data storage
6. Wireless system for communication


Fig 4: Some Essential Parts needed for a nanorobot


Fig5, 6,7, 8, 9 Computer Controlled diagnosis: detection, direction and attacking

Fig 10. Eliminating infected coronavirus with robots

Actions needed for eliminating coronavirus will be as under:

1. Identification of viruses
2. Detection/ Precise Location of the Coronavirus
3. Confirmation of amount of infection and location through Collection, Collation and
Interpretation of data to nanorobots
4. Order entry of nano-robots into body
5. Computer-controlled Nanorobots capable of entering into the body without any harm.
6. Dissemination of data to nanorobot
7. Preparation of Nanorobot to attack
8. Energise, attack, and destroy the virus

There could be two approaches (a) External (b) Internal

In external approach
The external approach will be computer-controlled where Electronic Microscopes (ESM) and a volley of nano-robots will be under the direct control of the control and provide further direction for elimination and excretion. Steps 1, 2 and 3 will be taken by computers with the help of ESM. The computer will give direction for action 4 under the supervision on ESM. In step 5 after the feeding due date, robot's stream is entered into the body and the nano-robots are directed to the targets. The elimination by the target may be through flames onto the coronavirus duly identified with the information gathered through the ESM, fed into a computer, analyzed, and then fed into a remote computer inside the body. The computer from outside then energise the nanorobot and sent in to destroy the selected target.

In Internal approach, the nanorobot is fitted in with a nanochip, transmitter and receiver, analyzer, and energizer. Each nanorobot is capable of working independently, identifying, preparing, and targeting.

The target destruction/elimination

The target is destroyed through flames as shown in figure 11 or through tongs as shown in fig 11.
Fig 10: Coronavirus structure life cycle, protection, elimination by Nanorobot

Fig 11: Nanobots for the elimination of Coronavirus by flaming technique

Fig 12. Nanorobot catching hold before destroying coronavirus

Due to more bioavailability, targeted therapy, fewer surgeon mistakes; remote areas reach in human anatomy, large interfacial area for mass transfer, non-invasive technique, computer control of delivery, better accuracy, fewer side effects, and greater speed of drug action nanorobots have a number of advantages as has been seen in drug delivery. However here we are concerned with nanorobots of elimination of coronavirus where previous research should be the basis.

Advantages of Nanobots over-vaccination:
1. Nanorobots aims at the elimination of roots while vaccines aim only at increasing immunity.
2. Elimination of coronavirus does not allow its reproduction or multiplication and the disease is eliminated altogether. This is not the case about vaccines where re-emergence or reactivation of coronavirus has been resulting in death even after vaccines.
3. In case of some healing nanorobot is capable of drug delivery systems with increased bioavailability to the exact place of infection. Nanorobots have the ability to deliver payloads such as drugs, or healthy cells to a specific site. Vaccines are meant for body treatment and not for individual cells.
4. Targeted therapy such as only malignant cells can be treated by nanorobots which is not the case of vaccines
5. Fewer mistakes on account of computer control and automation than the vaccination
6. Nanorobots can reach remote areas in human anatomy which may not be operatable at the surgeon’s operating table.
7. As drug molecules are carried by nanorobots and released where needed the advantages of the large interfacial area during mass transfer can be realized;
8. It is a non-invasive technique;
9. Computer-controlled operations with robots fine-tune the amount, frequency, time of action.
10. Better accuracy;
11. Minimizes undesired side effects.
12. Incisions harm tissue layers, which take quite a long time to heal. Minimal or no tissue trauma.
13. For certain vaccines painful anesthesia is used to limit the pain to a great extent, yet it is only for a short time.
14. Considerably less recovery time.
15. Less post-treatment care required.
16. Continuous monitoring and diagnosis from the inside.
17. Rapid response to a sudden change.
18. Nanorobots can store and process previous data, identify patterns, and hence, help to predict the onset of an ailment.
19. Nanorobots can guide externally or as per program, targeting specific locations.

Present Research in Medical Nanobots
Rice University has demonstrated a single-molecule car that is developed by a chemical process and includes buckyballs for wheels [68,69] Scientists and researchers are workings on a more robust, reliable, and bio-compatible approach for nanorobots. Instead of curing of the outside, they plan to defend the body from the inside. That is where medical nanorobots come in. The major advantages of this technology provide are
They can navigate through natural biological pathways; hence it can be customized (and often more durable) to body cells manufactured externally.[70]
The disadvantages of Nanorobotics are however when different nanorobots are inserted to cure different diseases, the clusters may be formed inside the body. The research and installation cost is quite high. [70]

Actuation and Control of Nanorobots
Controlling the environmental temperature and positioning a scanning tunneling microscope tip actuation of nanorobots is done. Very large numbers of nanorobots are required to work together to perform microscopic and macroscopic tasks. These nanorobot swarms are found in many science fiction stories, such as the Borg nanoprobes in Star Trek [71].

Biochip:
To enable the required manufacturing technology towards nano-robots for common medical applications, like elimination or coronavirus, surgical instrumentation, diagnosis, and drug delivery [72, 73, 71], the combined use of nano-electronics, photography, and new biomaterials can be considered as the best possible way. For teleoperation and advanced capabilities for medical instrumentation, practical nano-robots should be integrated as nano-electronics devices.[74] Presently, the focus of research is on nano-motors for the propulsion component. In the field of nano-medicine, chemically, magnetic and acoustic-driven nano-motors have been produced and applied. Major research is needed however in technologies based on fuel-free and biocompatible approaches and in the creation of a functional nano-bot that should be useful for the human being. For this, surface modifications, structures, components, and body responses have to be well understood. As nanotechnology, biotechnology and computing science are deep in research there is a real possibility that nano-bot will be available soon in the field of medicine. The design and experimentation are in progress, however. Now the researchers must show that their molecular robots work in a living animal; the next step will be experiments in mice. [75]

Nanocantilever Based Biological Sensors

Researchers at Purdue University have made a discovery about the behavior of tiny structures called nano-cantilevers that could be crucial in designing a new class of ultra-small sensors for detecting viruses, bacteria, and other pathogens. The nano-cantilevers, which resemble tiny diving boards made of silicon, could be used in future detectors because they vibrate at different frequencies when contaminants stick to them, revealing the presence of dangerous substances. Because of the nano-cantilever's minute size, it is more sensitive than larger devices, promising the development of advanced sensors that detect minute quantities of a contaminant to provide an early warning that a dangerous pathogen is present. [76]

The nanorobot prototype for Drug Delivery:

Douglas and his team created a prototype of a smart nanorobot. To create a new nanorobot, cad-nano was used as DNA computing software. It was to help to design a folded, 3-D hexagonal DNA nanorobot that was able to carry molecular ‘cargo’ within its structure. The folded DNA device had two DNA-aptamer ‘locks’ – known as staples – that close around the cargo material to keep it secure until the destination cells are reached. The nanorobot’s molecular locks are programmed to respond to specific key combinations of proteins on the cell surface, so the cargo can only be delivered when the intended cell’s receptors had the right combination. “We can finally integrate sensing and logical computing functions via complex, yet predictable, nanostructures – some of the first hybrids of structural DNA, antibodies, aptamers, and metal atomic clusters – aimed at useful, very specific targeting of human cancers and T-cells,” said Douglas. [77]

A nano ‘smart box’:

By combining advanced structural design with the DNA origami method, two lock method was designed. “The nanorobot being a ‘smart box’ for other molecules – a box that opens if and only if it detects keys for locks placed on its lid,” claimed Douglas. “It potentially drastically reduces side effects when keyed to proteins on the surface of cancer cells, and becomes an effective method of delivering drugs to cancer cells (and only cancer cells),.” [77] Douglas and his colleagues put two different locks on the lid of the box, making it open only when both keys are encountered. [78] The combination of keys will identify many kinds of cells and recognize and deliver drugs to certain kinds of cells,” he said. ‘Programmable drug delivery is provided by no other approach.” [79].

Fig13: Smart Nanobots

The most detailed theoretical discussion of nanorobotics, including specific design issues such as sensing, power communication, navigation, manipulation, locomotion, and onboard computation, has been presented in the medical context of nanomedicine by Robert Freitas. Some of these discussions remain at the level of unbuildable generality and do not approach the level of detailed engineering [80]

Conclusion:
Nanorobots are the future and fit enough to replace vaccination for the elimination of coronavirus from bodies. Many aspects of Nanorobots have already been studied and are also on research tables. Providing as an alternative to a vaccine for COVID 19 is however the new proposition that needs to be explored and put into practice. Since the base is there, parts are already on the thresh hold, it will not take much time to produce either flaming robots burning the virus as shown in fig 11 or smart nanobots capable of destroying the virus and also the infected cells as shown in fig 12. Vaccines have not yet provided a foolproof solution, it is the nanorobots that bring in new hope and must be immediately researched.

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Seeker9

Cleverness is not wisdom
SPNer
May 3, 2010
652
980
UK
Interesting. How affordable is it compared to Vaccines in terms of production and deployment. The Oxford vaccine has bee distribute on a not for profit basis to the developing World
 

Dalvinder Singh Grewal

Writer
Historian
SPNer
Jan 3, 2010
783
393
76
It requires costly equipment and its development costs are high. A lot of progress has already been made by the USA universities. But once developed it will be cheaper than vaccines provided it does not remain with business-minded countries.
 

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