collagen
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Chemistry
Unexpected discovery of collagen structures indicates greater diversity than previously believed
Characterization of A, B-CRT and C peptide assemblies: Credit: ACS Central Science (2025). doi:10.1021/accentsci.5c00018 Collagen, the body’s most abundant protein, has long been considered a predictable structural component of tissue. However, a new study led by Jeffrey Hartgarin and Tracy Yu of Rice University, in collaboration with Mark Kreuzberger and Edward Egelman of the University of Virginia (UVA) is likely…
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Chemistry
Natural substances derived from edible cyanobacteria may fight skin aging by strengthening collagen
Credit: ACS Agricultural Science and Technology (2024). DOI: 10.1021/acsagscitech.4c00571 Cyanobacteria, or blue-green algae, have existed for billions of years, adapting to diverse environments. Their remarkable ability to photosynthesize and make their own food and their adaptability to a variety of habitats have made them the focus of the research fraternity. One such cyanobacterium native to Japan, Aphanothece sacrum (also known…
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Nanotechnology
Building better bone grafts: Nanofibrous scaffolds activate two major collagen receptors in bone cells
Graphical summary. Credit: Bioactive Materials (2024). DOI: 10.1016/j.bioactmat.2024.08.017 Approximately 2.2 million bone graft surgeries are performed around the world each year, and the most standard treatment involves using a patient’s own bone to transplant teeth or repair and reconstruct parts of the mouth, face, and skull. This is an autograft technique used. Considering the disadvantages of autografts, including the need…
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