British developed a new blood substitute "plastic blood"
Release date: 2008-07-22 British developed a new blood substitute "plastic blood"
Intestinal localization was administered to reduce adverse effects.
Targeted site-specific release:
Two
hours in gastric juice will not disintegrate or crack, dissolve within
thirty minutes of disintegrating juice, providing a perfect solution for
protein and peptide drugs and probiotics.
Enteric
coated gelatin hollow capsule is made of gelatin and enteric coating
material in gastric juice it will not collapse, but will release in the
intestines as a collapse of a target product . It is often used for
special packaging of drugs and health cae products which are irritating
to the stomach or unstable under acid, or dissolved and effected in the
intestine.
Intestinal location administration can improve the
efficacy of drugs, reduce the dose and the adverse reaction, brings the
convenience to patients. Moreover , it can avoid the degradation of
gral protein, polypeptide or health care products and provide the best
absorption sites for them.
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At present, the problem of blood shortage is widespread in all countries of the world, so efforts are being made to find safe and effective blood substitutes. According to a recent report by the Spanish "Time" website, researchers at the University of Sheffield recently developed a blood substitute, plastic blood. It has a long shelf life, is easy to store, and can be administered to any patient without regard to blood type characteristics.
According to reports, this "plastic blood" is composed of plastic molecules that can carry iron atoms. Its structure is similar to honey, and it can transport oxygen to the whole body like hemoglobin. This "plastic blood" is low in manufacturing cost and convenient to transport. Since it does not contain blood cells, the shelf life is up to one year. However, "plastic blood" cannot permanently replace the naturally flowing blood in the vein, so the blood donor must enter normal blood as soon as possible. At present, this kind of "plastic blood" at the research stage has not been tested in humans. ——Shanghai Medical Device Industry Association