The next pandemic could be detected by spiderwebs created through 3D printing.


In the pursuit of innovation, sometimes the solutions can be found in the wonders of nature. Take, for example, the intricate beauty of a spiderweb adorned with dew. This marvel of nature has now become the inspiration behind a groundbreaking technology that could revolutionize the detection of airborne viruses.

Leading the charge in this venture is Jiangtao Cheng, an associate professor of Mechanical Engineering at Virginia Tech. With the support of a grant from the United States-Israel Binational Science Foundation (BSF), Cheng and his team are developing a bio-inspired system that harnesses the power of spiderwebs to serve as early warning systems for harmful airborne particles, including COVID and other potential pathogens. What makes this even more intriguing is that they are using 3D printing to create these webs.

Cheng’s expertise lies in the intersection of micro and nanoscale fluids with optical technologies like lasers. Through his research, he has discovered that water droplets possess the unique ability to trap particles from the surrounding air. These particles could range from benign dust to dangerous bacteria and viruses. Once these particles become embedded in a droplet, Cheng’s team employs lasers to identify and analyze them. By bouncing laser light within the droplet, the team can gather real-time data about its contents, creating a sort of “fingerprint.”

However, examining individual water droplets is not a practical approach. This is where spiderwebs come into play. Dew-covered spiderwebs serve as natural holders for multiple droplets, and the silk of the web itself is remarkably effective at guiding Cheng’s optical beams. Essentially, the spiderweb becomes an integrated sensor system, with the silk and droplets working in perfect harmony.

Despite this breakthrough, Cheng’s team encountered a significant obstacle. In order to detect viruses more effectively, they needed a higher concentration of particles in each droplet. They overcame this challenge by introducing a nearby electrode that charges and attracts more particles to the web, thus enhancing the detection efficiency.

To turn their vision into a reality, Cheng’s team turned to the wonders of 3D printing. By combining natural and synthetic materials, they are able to create synthetic spiderwebs that are both flexible and durable. The web is composed of a flexible material with a specially designed fluid inside. This material helps the web maintain its shape and capture minuscule water droplets. To ensure the longevity of the web, they cure the fluid inside using ultraviolet light. The printing process involves creating a hollow web shell, injecting it with the fluid, and then curing it to ensure structural stability. These engineered webs not only effectively trap water droplets but also allow the laser’s light to travel through the structure.

Once the synthetic web is created, the next step is to analyze the captured particles. To achieve this, Cheng’s team is collaborating with Qiang Le, an associate professor at Hampton University in Virginia, to develop a smartphone app that can deliver real-time results. This groundbreaking technology could pave the way for instant alerts about airborne threats, revolutionizing the field of environmental protection, infectious disease monitoring, forensic science, and global safety.

Cheng envisions a wide range of applications for this innovative technology. With its portable and deployable nature, it has the potential to safeguard the health and safety of individuals in various environments. Cheng’s primary goal is to see how this technology performs when deployed, and he is excited about the possibilities it holds.

For those concerned about the spider aspect of this research, the Mechanical Engineering department at Virginia Tech clarified on social media that there is no Halloween connection intended. Jiangtao Cheng’s work involves creating synthetic spiderwebs that detect airborne pathogens. Rest assured, these webs are synthetic, and no eight-legged creatures are involved.

The need for quickly detecting airborne threats has never been more urgent. The World Health Organization (WHO) has identified a list of priority diseases with pandemic potential, emphasizing the gravity of future airborne pathogens. One example that has garnered global attention is Disease X, an as-yet-unknown pathogen that could unleash a devastating pandemic. Coined by the WHO in 2018, Disease X serves as a reminder of the importance of innovative technologies like Cheng’s spiderweb detection system.

In conclusion, nature has always been a source of inspiration for innovation. Cheng’s bio-inspired technology that transforms spiderwebs into early warning systems is a testament to the wonders that can be found in the natural world. By harnessing the power of 3D printing and optical technologies, Cheng and his team are paving the way for a new era in the detection of airborne pathogens. With the potential to revolutionize various industries, this groundbreaking technology has the power to reshape our approach to environmental protection, disease monitoring, and global safety. The world eagerly awaits the results of its deployment and the impact it will have on our lives.

In our pre-Covid-19 world, we may not have fully understood the potential danger of an unknown and deadly disease. However, recent comments from Kate Bingham, the former chair of the UK’s Vaccine Taskforce, have shed light on the gravity of this threat. Bingham has compared this hypothetical disease, known as Disease X, to the devastating Spanish Flu pandemic of 1918, hinting that it could rival the death toll of World War I.

The World Health Organization (WHO) defines Disease X as a new virus, bacteria, or fungus that does not yet have a cure. This means that it could emerge without warning, leaving us defenseless against its rapid spread and deadly consequences. And Disease X is not the only potential culprit on the WHO’s radar. Pathogens like Ebola, SARS, and Zika are also listed as priority diseases that may cause the next lethal pandemic.

In light of these looming threats, the groundbreaking work of Cheng, an innovative scientist, takes on immense significance. Cheng has developed a unique approach that combines nature-inspired solutions with advanced technology. This fusion could prove to be a crucial line of defense against future pandemics.

Cheng’s method harnesses the power of 3D printing to create structures that mimic natural creations, such as the intricate patterns found in leaves or the intricacies of a honeycomb. By replicating these designs, Cheng is able to create materials that exhibit remarkable properties, such as enhanced strength and self-healing capabilities. These materials can be used in various applications, including protective barriers, drug delivery systems, and diagnostic tools.

The potential of Cheng’s work to combat Disease X and other deadly pathogens cannot be overstated. By utilizing nature-inspired designs, his technology has the potential to create barriers that block the transmission of these diseases. Additionally, the self-healing properties of the materials could help create more resilient and longer-lasting medical supplies, ensuring that we have the necessary tools to fight future outbreaks.

It is crucial for us to stay informed about the latest developments in the 3D printing industry and to keep a close eye on Cheng’s work. By doing so, we can stay ahead of potential future threats and be prepared to tackle them head-on.

As we navigate through these uncertain times, let us not forget the lessons learned from the past. The Spanish Flu claimed millions of lives, leaving behind a devastating impact on the world. Disease X has the potential to wreak similar havoc if we are not prepared. By supporting and promoting innovative approaches like Cheng’s, we can strengthen our defenses and safeguard against future pandemics.

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Original source


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