Spermbots deliver sperm to egg

In order to help “poor swimmers”, scientists developed “spermbots” that can deliver healthy sperm to an egg. The tiny metallic helices are just large enough to fit around the tail of a sperm. Their movements can be controlled by a magnetic field and lab testing showed they can deliver sperm to an egg for potential fertilization.

Cellular Cargo Delivery: Toward Assisted Fertilization by Sperm-Carrying Micromotors
Mariana Medina-Sánchez, Lukas Schwarz, Anne K. Meyer, Franziska Hebenstreit, and Oliver G. Schmidt
Nano Letters, DOI: 10.1021/acs.nanolett.5b04221

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Comment (20)

  1. As good intentioned as this might be, this will lead to more problems than solutions. This is against the laws of nature and I promise you, her vengeance will be supreme. I would try to solve the DNA riddle before attempting to do this. At least when delivering sperm, you can control whats in it.

  2. If it hasn't already been said, isn't this the opposite of the purpose of sperm? If it is a poor swimmer perhaps it isn't a 'healthy ' sperm and shouldn't fertilize the egg. .


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