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The secret to stickiness of mussels underwater

Credit: POSTECH
Mussels survive by sticking to rocks in the fierce waves or tides underwater. Materials mimicking this underwater adhesion are widely used for skin or bone adhesion, for modifying the surface of a scaffold, or even in drug or cell delivery systems. However, these materials have not entirely imitated the capabilities of mussels.
A joint research team from POSTECH and Kangwon National University (KNU) - led by Professor Hyung Joon Cha and Ph.D. candidate Mincheol Shin of the Department of Chemical Engineering at POSTECH with Professor Young Mee Jeong and Dr. Yeonju Park of the Department of Chemistry at KNU - has analyzed Dopa and lysine, which are the amino acids that make up the surface adhesive proteins secreted by mussels, and verified that their roles are related to their location. The team has taken a step closer to revealing the secret of underwater adhesion by uncovering that these amino acids can contribute to surface adhesion and cohesion differentl ....

South Korea , Kangwon Do , Mincheol Shin , Hyung Joon Cha , Kangwon National University , Department Of Chemical Engineering , National Research Foundation Of Korea , Yeonju Park Of The Department Chemistry , Researcher Program Of The Ministry Science , Professor Hyung Joon Cha , Chemical Engineering , Professor Young Mee Jeong , Yeonju Park , Mid Career Researcher Program , National Research Foundation , Marine Freshwater Biology , Chemistry Physics Materials Sciences , Biomechanics Biophysics , Technology Engineering Computer Science , Research Development , தெற்கு கொரியா , யுங் ஜூன் சிஎச்ஏ , துறை ஆஃப் இரசாயன பொறியியல் , தேசிய ஆராய்ச்சி அடித்தளம் ஆஃப் கொரியா , ஆராய்ச்சியாளர் ப்ரோக்ர்யாம் ஆஃப் தி அமைச்சகம் அறிவியல் , ப்ரொஃபெஸர் யுங் ஜூன் சிஎச்ஏ ,

Treating cerebral aneurysms with a new filling method

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IMAGE: Concept and application (e.g., aneurysm embolization) of a double?crosslinked alginate?based hydrogel with tantalum nanopowder (DAT) microfibers continuously spun by an optical?fiber?integrated microfluidic device (OFI?MD).
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Credit: POSTECH
Cerebral aneurysms are malformations caused by abnormalities on the walls of blood vessels in the brain. When these blood vessels rupture, about 30% of the sufferers die on the spot, giving these the rightful label of ticking bombs in the head . Recently, a research team at POSTECH has come up with a new treatment that can disassemble these time bombs by filling the aneurysm in blood with a new method. ....

South Korea , Joonwon Kim , Hyung Joon Cha , Geunho Choi , Korea Health Industry Development Institute , Department Of Chemical Engineering , Ministry Of Health , Nano New Materials Core Technology Development Program , Department Of Mechanical Engineering , National Research Foundation Of Korea , Research Program , Ministry Of Science , Professor Joonwon Kim , Jongkyeong Lim , Mechanical Engineering , Professor Hyung Joon Cha , Chemical Engineering , Advanced Materials , Professor Hyung Joon , Advanced Dynamic Angio Model , Mid Career Research Program , National Research Foundation , தெற்கு கொரியா , யுங் ஜூன் சிஎச்ஏ , கொரியா ஆரோக்கியம் தொழில் வளர்ச்சி நிறுவனம் , துறை ஆஃப் இரசாயன பொறியியல் ,

Blood vessel formation in damaged tissues with mussel adhesive protein

POSTECH professor Hyung Joon Cha s research team develops a drug-delivering adhesive patch that mimics the blood vessel formation mechanism.
The patch can be applied to any shape anyplace and was verified for the regenerations of myocardial infarction and severe skin loss. ....

South Korea , Hyung Joon Cha , Korea Institute For Health Industry Promotion , National Research Foundation Of Korea , Nature Gluetech Co Ltd , Ministry Of Health , Professor Hyung Joon Cha , Tae Yoon Park , Chemical Engineering , Korea Institute , Health Industry Promotion , National Research Foundation , Marine Freshwater Biology , Chemistry Physics Materials Sciences , Biomechanics Biophysics , Medicine Health , Clinical Trials , Technology Engineering Computer Science , தெற்கு கொரியா , யுங் ஜூன் சிஎச்ஏ , தேசிய ஆராய்ச்சி அடித்தளம் ஆஃப் கொரியா , அமைச்சகம் ஆஃப் ஆரோக்கியம் , ப்ரொஃபெஸர் யுங் ஜூன் சிஎச்ஏ , டே யூன் பூங்கா , இரசாயன பொறியியல் , கொரியா நிறுவனம் ,