Nanotech Diatoms

Allison Guy
December 14th 2012

No, those aren't plastic trinkets or beads from a craft store. They're diatoms, a group of single-celled algae, and unlike almost all of our current technologies, they can rapidly and reliably synthesize  nanoscale structures. Diatoms produce incredibly complex silica shells that are riddled with a regular pattern of pores. As can be seen above, diatoms come in an incredible variety of shapes – around 100,000 species in all. Strong, easy and quick-growing, and virtually unlimited, diatoms are drawing the attention of scientists who are interested in nanotechnology.

As with many nanotechnologies, research into the use of diatoms is in its infancy. These microscopic algae have been studied for their ability of synthesize novel electrical devices, including new ways to detect pollution. A chemical process that converts their silica shells into silicon creates ready-made nano electronics. Since biologically active molecules attach to the pores in their shells, they may eventually function as a "lab on a chip" for detecting antibodies, traces of diseases, and other chemicals in the body. Diatoms also show promise in the fields of optics. Solar energy cells with diatom-based coatings capture three times more electrons that standard coatings. Genetic manipulation might refine the diatom's natural precision engineering to create bespoke parts for nanosensors and nanoscale machines from diatoms. Further proof that guided growth is the future of manufacturing.

Share your thoughts and join the technology debate!

 

Comments are members only. Login to your account and join the technology debate.

LOGIN
Not a member? Join us

Rebsha raj
Posted 06/02/2014 – 07:47

can u plz send a short note about tha role of diatoms in nano technology

Rene Espinoza
Posted 31/12/2012 – 03:46

I think the use diatoms together with magnetic nano particles they may eventually function as a filter of many thinks

Should men be able to give birth to children?


Lisa Mandemaker: Using an artificial womb could lead to more equality between sexes, but also between different family layouts. If men would be able to give birth to children, it would maybe be easier for male same-sex couples to have a child together.

Join us!
Already a member? Login.