Protecting art and passwords with biochemistry

New technology is based on a pool of one hundred million different DNA molecules and protects against counterfeiting

10-Apr-2024 - A new molecular test method helps to prove the authenticity of works of art. The new method could also help to make passwords secure against quantum computers. Instead of using algorithms, the method employs the polymerase chain reaction (PCR) and DNA sequencing. Security experts fear Q-​Day, the ...

Protecting olive oil from counterfeiters

28-Apr-2014 - Who guarantees that expensive olive oil isn't counterfeit or adulterated? An invisible label, developed by ETH researchers, could perform this task. The tag consists of tiny magnetic DNA particles encapsulated in a silica casing and mixed with the oil. Just a few grams of the new substance are ...