Related Experiment Video
Updated: Jan 28, 2026

Development of a Benchtop Model for Evaluating the Compatibility of Wound Dressing Materials with Negative Pressure Wound Therapy Systems
Published on: May 2, 2025
Turning black or yellow wounds red using a hydroresponsive dressing
1Tissue Viability Consultant Nurse.
Abstract:
Wounds can be found anywhere on the wound healing continuum, which can be used to select appropriate dressings. With the exception of black toes or arterial heels, some simple rules of thumb to use for dressing selection would be as follows: a wet dressing for a dry wound; a dry dressing for a wet wound; an antibacterial dressing for one that is odorous; a superabsorbent dressing for high exudate loss; and a foam dressing to cover as a secondary dressing or as a primary dressing when the wound is healing. This article seeks to outline a method for changing black or yellow wounds on the healing continuum into a red and then pink wound. It also describes a case in which this method was successfully used to treat recalcitrant wounds.
Related Concept Videos
Detection of Black Holes
Their closest cousins are neutron stars, which are composed almost entirely of neutrons packed against each other, making them extremely dense. A neutron star has the same mass as the Sun but its diameter is only a few kilometers. Therefore, the escape velocity from their surface is close to the speed of light.
Not until the 1960s, when the first neutron...
Red Algae
Phases of Wound Repair
Formation of Blood Clot
In case of deep injuries, trauma to blood vessels results in blood loss. In the meantime, phospholipids released from the ruptured endothelial cellular membrane are converted into arachidonic...
Colors and Magnetism
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
Dihybrid Crosses
The Stanford Prison Experiment

