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Huginn & Muninn
better. Therefore, if copper-based electronic components,
most widely used because they have diverse compositions
which are easy to obtain and produce, are made using
andcanbeeasilyprocessedintotubes,films,andfibers.
this technology, even if they oxidize, they can be reduced
Recently, research is being conducted on biodegradable
again;andtheycanbeproducedatalowercostthanusing
polymers that can be used for tissue regeneration or drug
expensive metals like gold or silver, which were used
delivery within the body. In particular, natural polymers
in semiconductor components in the past. Furthermore,
are receiving the most attention. Natural polymers refer to
the technology of restoring metal oxides through lasers
polymers extracted from plants or animals. They have the
is a source of environmentally friendly and economical
advantageofbeinglesslikelytocauseanimmunereaction
technologyforrecyclingmetalsandisexpectedtobeused
in the body and of having excellent biocompatibility
in the energy sector such as for solar cells and batteries in
compared to other synthetic polymers. However, more
thefuture.
research is needed before they can be used in practice due
to the toxicity of natural polymers themselves. Currently,
natural polymers such as chitosan* and collagen are
UltramanSuit:MedicalPolymerMaterialResponsible
being studied as medical materials for skin regeneration,
forHumanHealth
The polymer material used in the Ultraman Suit is
cavity prevention, artificial bones, etc. As an interest in
economical and easy to process and can be widely used
healthcare increases in aging societies around the world,
not only in flame retardant suits and space suits, but also
medical polymers are emerging as the next promising
in various other applications. Recently, polymer materials
player in the silver economy.* Medical polymers are
have been used in medicine. Medical polymers refer
materials that embody modern advanced technology, such
to materials used for diagnosing or treating diseases or
asbiocompatibility,sterilizability,andshapeprocessability;
replacing parts of the body that were damaged due to
anditispossibletoexpectthedevelopmentofvariouscase-
diseaseoraccidents.Theyarewidelyusedinthehealthcare
based medical polymer materials so that more people can
industry, from familiar contact lenses and medical devices
benefitfromthem.
such as artificial corneas to packaging, biomaterials, drug
delivery, and more. Since medical polymer materials are
*Resin: One of the filling materials used in dentistry, which, unlike materials
such as gold or silver, has various colors, making it possible to perform
used in the human body, stability is the most important
aesthetic treatments that match the original color of the tooth depending on
thecolorofthetooth.
factor; and they must maintain their functions for as long
*Elastic polymer: A polymer material with high elasticity that can be easily
as possible without causing immune reactions. In addition,
returnedtoitsoriginalstateevenwhendeformedbyexternalforces.
*Chitosan: A substance processed to be suitable for consumption from
they must be processed into various forms to fit each
the chitin component found in the shells of crustaceans and the bones of
cephalopods.
individual¡¯s situation, so they are mainly made of resins,*
*Silver economy: According to the European Commission, silver economy
fibers, elastic polymers,* and biodegradable plastics. In
encompasses a unique cross-section of economic activities related to
production, consumption and trade of goods and services relevant for older
addition to polymers, medical materials include various
people aged 50 and over, both public and private, and including direct and
indirecteffects.
metals,ceramics,andothermaterials;butpolymersarethe
Sometimes people imagine a hero defeating the enemy and saving the Earth. They wish that the heroes from the
comics would appear and save those in danger, but in reality, there is no Ultraman with shape-shifting abilities or
a light saber. However, if one looks closely at one¡¯s surroundings, people are working hard to protect the Earth,
evenwithouthavingflashysuperpowers.Insteadofendlesslywaitingforaherotochangethesituation,humansare
researching and creating our own Ultraman. Like Ultraman, the everyday Ultraman created by humans exists to
ensurehumanhappinessandsafety,demonstratinganidealvisionforsocietyalongsidescientificandtechnological
progress.TheArgushopesreadersdevelopaninterestinthe¡°Ultraman¡±oftheEarthpresentinourdailylives.
hufsworkspace0520@hufs.ac.kr
30
www.theargus.org

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