A new mobile vaccine printer has the potential to provide people in hard to reach places with protection from the world's deadliest diseases.
Researchers at the Massachusetts Institute of Technology say the new technology, which creates vaccine patches with thousands of microneedles rather than bottled doses, fits on a tabletop.
Many vaccines, including some used to combat Covid-19, need to be stored in very cold conditions, making distribution difficult.
But the new printer produces vaccines that are temperature stable, eliminating the need for cold storage and therefore making vaccines more widely available.
The printer could mean much more localised vaccine production, enabling health workers to respond faster to outbreaks of disease.
“We could someday have on-demand vaccine production,” says Ana Jaklenec, a research scientist at MIT’s Koch Institute for Integrative Cancer Research.
“If, for example, there was an Ebola outbreak in a particular region, one could ship a few of these printers there and vaccinate the people in that location.”
The patches the machine produces contain hundreds of microneedles containing vaccine, which allow the liquid to dissolve in the skin.
As they do not require needle administration and can remain stable for weeks or even months, the patches and machines could help scale up vaccine provision in remote areas or those affected by sudden outbreaks.
The MIT study using mice produced thermostable Covid-19 RNA vaccines using the machine that could induce a comparable immune response to that generated by injected RNA vaccines.
The team now plans to adapt the machine to produce vaccines for other diseases, including Ebola.
While this study focused on Covid-19 RNA vaccines, the researchers plan to adapt the process to produce other types of vaccines, including vaccines made from proteins or inactivated viruses.
“The ink composition was key in stabilising mRNA vaccines, but the ink can contain various types of vaccines or even drugs, allowing for flexibility and modularity in what can be delivered using this microneedle platform,” Dr Jaklenec says.
“This work is particularly exciting as it realises the ability to produce vaccines on demand,” says Joseph DeSimone, professor of translational medicine and chemical engineering at Stanford University, who was not involved in the research.
“With the possibility of scaling up vaccine manufacturing and improved stability at higher temperatures, mobile vaccine printers can facilitate widespread access to RNA vaccines.”
THE SIXTH SENSE
Starring: Bruce Willis, Toni Collette, Hayley Joel Osment
Director: M. Night Shyamalan
Rating: 5/5
COMPANY%20PROFILE
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RESULT
Al Hilal 4 Persepolis 0
Khribin (31', 54', 89'), Al Shahrani 40'
Red card: Otayf (Al Hilal, 49')
Most%20polluted%20cities%20in%20the%20Middle%20East
%3Cp%3E1.%20Baghdad%2C%20Iraq%3Cbr%3E2.%20Manama%2C%20Bahrain%3Cbr%3E3.%20Dhahran%2C%20Saudi%20Arabia%3Cbr%3E4.%20Kuwait%20City%2C%20Kuwait%3Cbr%3E5.%20Ras%20Al%20Khaimah%2C%20UAE%3Cbr%3E6.%20Ash%20Shihaniyah%2C%20Qatar%3Cbr%3E7.%20Abu%20Dhabi%2C%20UAE%3Cbr%3E8.%20Cairo%2C%20Egypt%3Cbr%3E9.%20Riyadh%2C%20Saudi%20Arabia%3Cbr%3E10.%20Dubai%2C%20UAE%3C%2Fp%3E%0A%3Cp%3E%3Cem%3ESource%3A%202022%20World%20Air%20Quality%20Report%3C%2Fem%3E%3C%2Fp%3E%0A
MOST%20POLLUTED%20COUNTRIES%20IN%20THE%20WORLD
%3Cp%3E1.%20Chad%3Cbr%3E2.%20Iraq%3Cbr%3E3.%20Pakistan%3Cbr%3E4.%20Bahrain%3Cbr%3E5.%20Bangladesh%3Cbr%3E6.%20Burkina%20Faso%3Cbr%3E7.%20Kuwait%3Cbr%3E8.%20India%3Cbr%3E9.%20Egypt%3Cbr%3E10.%20Tajikistan%3Cbr%3E%3Cbr%3E%3Cem%3ESource%3A%202022%20World%20Air%20Quality%20Report%3C%2Fem%3E%3C%2Fp%3E%0A
Earth under attack: Cosmic impacts throughout history
- 4.5 billion years ago: Mars-sized object smashes into the newly-formed Earth, creating debris that coalesces to form the Moon
- 66 million years ago: 10km-wide asteroid crashes into the Gulf of Mexico, wiping out over 70 per cent of living species – including the dinosaurs.
- 50,000 years ago: 50m-wide iron meteor crashes in Arizona with the violence of 10 megatonne hydrogen bomb, creating the famous 1.2km-wide Barringer Crater
- 1490: Meteor storm over Shansi Province, north-east China when large stones “fell like rain”, reportedly leading to thousands of deaths.
- 1908: 100-metre meteor from the Taurid Complex explodes near the Tunguska river in Siberia with the force of 1,000 Hiroshima-type bombs, devastating 2,000 square kilometres of forest.
- 1998: Comet Shoemaker-Levy 9 breaks apart and crashes into Jupiter in series of impacts that would have annihilated life on Earth.
-2013: 10,000-tonne meteor burns up over the southern Urals region of Russia, releasing a pressure blast and flash that left over 1600 people injured.
Our family matters legal consultant
Name: Hassan Mohsen Elhais
Position: legal consultant with Al Rowaad Advocates and Legal Consultants.
MATCH INFO
Juventus 1 (Dybala 45')
Lazio 3 (Alberto 16', Lulic 73', Cataldi 90 4')
Red card: Rodrigo Bentancur (Juventus)
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