News tagged with cells tissues

New type of extra-chromosomal DNA discovered

(PhysOrg.com) -- A team of scientists from the University of Virginia and University of North Carolina in the US have discovered a previously unidentified type of small circular DNA molecule occurring outside ...

Biology / Biotechnology

created Mar 09, 2012 | popularity 4.8 / 5 (21) | comments 9 | with audio podcast report

Immortal worms defy aging

Researchers from The University of Nottingham have demonstrated how a species of flatworm overcomes the ageing process to be potentially immortal.

Biology / Cell & Microbiology

created Feb 27, 2012 | popularity 4.8 / 5 (38) | comments 22 | with audio podcast

Scientists combine tumor-targeting peptides and nanoparticles to destroy glioblastoma

Glioblastoma is one of the most aggressive forms of brain cancer. Rather than presenting as a well-defined tumor, glioblastoma will often infiltrate the surrounding brain tissue, making it extremely difficult to treat surgically ...

Nanotechnology / Bio & Medicine

created Oct 03, 2011 | popularity 5 / 5 (6) | comments 4 | with audio podcast

A heart of gold: Better tissue repair after heart attack (Update)

A team of researchers at MIT and Children’s Hospital Boston has built cardiac patches studded with tiny gold wires that could be used to create pieces of tissue whose cells all beat in time, mimicking ...

Nanotechnology / Bio & Medicine

created Sep 25, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Researchers find a way to delay aging of stem cells

Stem cells are essential building blocks for all organisms, from plants to humans. They can divide and renew themselves throughout life, differentiating into the specialized tissues needed during development, ...

Biology / Cell & Microbiology

created May 24, 2012 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Mechanical properties of stem cells can foretell what they will become

To become better healers, tissue engineering need a timely and reliable way to obtain enough raw materials: cells that either already are or can become the tissue they need to build. In a new study, Brown ...

Biology / Cell & Microbiology

created May 21, 2012 | popularity not rated yet | comments 0 | with audio podcast

A cell's first steps: Building a model to explain how cells grow

A collaboration between Lehigh University physicists and University of Miami biologists addresses an important fundamental question in basic cell biology: How do living cells figure out when and where to grow?

Biology / Cell & Microbiology

created May 18, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Shining light on cells' inner workings

(Phys.org) -- Lanrong Bi and Nazmiye Yapici are shining new light on the hidden processes within cells. For their groundbreaking research, Bi, an assistant professor of chemistry at Michigan Technological ...

Chemistry / Biochemistry

created May 16, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Genetic packing: Successful stem cell differentiation requires DNA compaction, study finds

(Phys.org) -- New research findings show that embryonic stem cells unable to fully compact the DNA inside them cannot complete their primary task: differentiation into specific cell types that give rise to ...

Biology / Cell & Microbiology

created May 11, 2012 | popularity not rated yet | comments 0 | with audio podcast

Boron-nitride nanotubes show potential in cancer treatment

A new study has shown that adding boron-nitride nanotubes to the surface of cancer cells can double the effectiveness of Irreversible Electroporation, a minimally invasive treatment for soft tissue tumors in the liver, lung, ...

Nanotechnology / Bio & Medicine

created Apr 26, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Researchers have a natural sidekick that may resolve the antibiotic-resistant bacteria dilemma

Antibiotic-resistant bacteria continue to be a global concern with devastating repercussions, such as increased healthcare costs, potential spread of infections across continents, and prolonged illness.

Biology / Cell & Microbiology

created Apr 25, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Lighting up plant cells to engineer biology

Cambridge researchers have developed a new technique for measuring and mapping gene and cell activity through fluorescence in living plant tissue.

Biology / Cell & Microbiology

created Apr 05, 2012 | popularity 4 / 5 (3) | comments 0 | with audio podcast

Epigenetic signatures direct the repair potential of reprogrammed cells

A research team has identified epigenetic signatures, markers on DNA that control transient changes in gene expression, within reprogrammed skin cells. These signatures can predict the expression of a wound-healing protein ...

Biology / Cell & Microbiology

created Mar 14, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Influencing stem cell fate: New screening method helps scientists identify key information rapidly

Northwestern University scientists have developed a powerful analytical method that they have used to direct stem cell differentiation. Out of millions of possibilities, they rapidly identified the chemical and physical structures ...

Biology / Cell & Microbiology

created Mar 06, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Scientists present first model of how buds grow into leaves

Leaves come in all shapes and sizes. Scientists have discovered simple rules that control leaf shape during growth. Using this 'recipe', they have developed the first computer model able to accurately emulate ...

Biology / Plants & Animals

created Mar 01, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast