How gold nanoparticles can help fight ovarian cancer

Positively charged gold nanoparticles are usually toxic to cells, but cancer cells somehow manage to avoid nanoparticle toxicity. Mayo Clinic researchers found out why, and determined how to make the nanoparticles effective ...

Microchip proves tightness provokes precocious sperm release

Sperm cell release can be triggered by tightening the grip around the delivery organ, according to a team of nano and microsystems engineers and plant biologists at the University of Montreal and Concordia University.

Scientists create biggest family tree of human cells

In a paper published today by the prestigious journal, Nature Methods, biologists at the University of Luxembourg, Tampere University of Technology and the Institute for Systems Biology in Seattle, USA, have created the biggest ...

Protein maintains order in the nucleus

Researchers in Freiburg identify a protein responsible for the correct arrangement of the chromosome centromeres in the nucleus.

Killing cancer cells with acid reflux

A University of Central Florida chemist has come up with a unique way to kill certain cancer cells – give them acid reflux.

Do we owe our sense of smell to epigenetics?

(Phys.org) —Olfactory sensory neurons – nerve cells in the nose – directly sense molecules that convey scent, then send the signals to the brain. Biologists have long wondered how it's possible for each nerve cell to ...

Flipping the 'off' switch on cell growth

A protein known for turning on genes to help cells survive low-oxygen conditions also slows down the copying of new DNA strands, thus shutting down the growth of new cells, Johns Hopkins researchers report. Their discovery ...

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