Search results for peroxynitrite

Cell & Microbiology Nov 24, 2023

How bacteria defend themselves against plasmas

Plasmas are used in wound treatment against pathogens that are resistant to antibiotics. However, bacteria can defend themselves. They employ a heat shock protein that protects them.

Biochemistry Aug 5, 2019

Researchers take key step toward cancer treatments that leave healthy cells unharmed

Researchers have opened up a possible avenue for new cancer therapies that don't have the side effects that oftentimes accompany many current cancer treatments by identifying a protein modification that specifically supports ...

Biochemistry Mar 21, 2017

Enzyme helps bacteria defend themselves against oxidants secreted by immune system

A research project conducted at the University of São Paulo (USP) in Brazil in collaboration with other Brazilian research institutions and abroad has revealed new aspects of the action mechanism of organic hydroperoxide ...

Bio & Medicine Dec 12, 2016

Nanomedical treatment concept combines NO gas therapy with starvation of tumor cells

Biocompatible nanocapsules, loaded with an amino acid and equipped with an enzyme now combine two anti-tumor strategies into a synergistic treatment concept. Researchers hope this increases effectiveness and decreases side ...

Biochemistry Apr 6, 2016

How bioceramics could help fight gum disease

Severe gum disease known as periodontitis can lead to tooth loss, and treating it remains a challenge. But new approaches involving silicon nitride, a ceramic material used in spinal implants, could be on the way. The surface ...

Bio & Medicine Feb 9, 2015

Nano-antioxidants prove their potential

Injectable nanoparticles that could protect an injured person from further damage due to oxidative stress have proven to be astoundingly effective in tests to study their mechanism.

Bio & Medicine Aug 23, 2012

Nanoparticles reboot blood flow in brain

A nanoparticle developed at Rice University and tested in collaboration with Baylor College of Medicine (BCM) may bring great benefits to the emergency treatment of brain-injury victims, even those with mild injuries.

Biochemistry Oct 5, 2010

Powerful free radical causes lung damage from oxygen therapy

The most toxic free radical appears responsible for much of the lung damage that can result from oxygen therapy in the critically ill or injured, Medical College of Georgia researchers report.