HP inkjet printers find new uses in cancer research, vaccine discovery; Singapore remains key hub


SINGAPORE – The inkjet printer, which dates back to the 1970s, may be considered a dinosaur in a digital age where people swipe screens more than they flip pages of paper.

But some of the most advanced inkjet printer heads are being produced in Depot Road in Singapore, and their American maker HP is readying the robotic ink dispensers for a bigger purpose and a brighter future. 

Specifically, scientists are using HP’s inkjet technology to “print” micro samples used in the discovery of new drugs and vaccines, as well as separate cancer cells from normal cells in cancer research labs.

“We can separate cancer cells from normal cells when we apply some electromagnetic fields to a micro stream of liquid,” HP chief executive Enrique Lores told The Straits Times in an exclusive interview.

“Not only is the technology more precise, it is also unique. I don’t think there is any similar technology today,” he said.

Inkjet printer heads can manipulate liquids to be studied in miniaturised chambers and tunnels measured in tens to hundreds of micrometres. These measurements are similar to that of a strand of hair, pollen, bacteria and viruses.

HP’s pivot to this multidisciplinary scientific field, known as microfluidics, is opening up an entirely new income stream for the company, which has seen falling consumer demand for computers and printers cut into profits.

Fluid manipulation – which includes filtering, heating and pumping – has so far not been automated in a way that inkjet technology can provide, said Mr Lores.

He was in Singapore last week at the company’s Asia-Pacific headquarters to meet customers and staff, his first visit here since 2020, when the Covid-19 pandemic halted overseas travel.

Citing an example of what inkjet technology is capable of, he said that the creation of samples in scientific labs – which is usually done with pipettes and can be time-consuming and prone to errors – could take more than one hour for just 20 samples.

The same number of samples can be “printed” in under four minutes, he said.

The technology’s capability was demonstrated during the height of the Covid-19 pandemic in 2020 when laboratories around the world were racing to test drugs and vaccines to stem the spread of the virus.

In 2020, HP donated inkjet printers, dubbed BioPrinters, to major research institutions in the United States and Europe.

This allowed researchers to quickly print pharmaceutical samples in volumes ranging from picolitres to microlitres to accelerate drug and vaccine research.



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