Mussels & Silkworms Proteins Forestall Surgical Bleeding


Mussels & Silkworms Proteins Prevent Surgical Bleeding

A bilayer nanofiber membrane hemostat constituted of pure proteins present in mussels and silkworm cocoons reveals promise in changing typical hemostatic brokers corresponding to gauze or medical bands utilized in surgical procedures. In contrast to common hemostatic brokers, these nanofiber hemostats should not solely more practical at stopping bleeding but in addition assist forestall infections. These findings had been revealed within the journal Small (1 Trusted Supply
Protecting Topical Twin-Sided Nanofibrous Hemostatic Dressing Utilizing Mussel and Silk Proteins with Multifunctionality of Hemostasis and Anti-Bacterial Infiltration

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New Bioadhesive Hemostat Revolutionize Hemostasis in Surgical procedure

In latest information, there was a case the place a affected person skilled ache as a result of a surgical process involving sutures, ensuing within the unintended presence of gauze inside the affected person’s physique. Gauze is usually employed to manage bleeding throughout medical interventions, aiding in hemostasis. Nonetheless, when inadvertently left within the physique, it could actually result in irritation and an infection.
Typical hemostatic brokers corresponding to gauze or medical bands are restricted to utility on the floor of the pores and skin. Though there are specific supplies that naturally degrade inside the physique like fibrin glue and collagen sponges, they necessitate proteins sourced from people or animals, making them significantly costly. Furthermore, current hemostatic supplies lack constant adherence to bleeding websites and are vulnerable to an infection from exterior contaminants.

A collaborative crew, led by Professor Hyung Joon Cha (Division of Chemical Engineering and the Faculty of Convergence Science and Expertise) and Dr. Jaeyun Lee (Division of Chemical Engineering) at Pohang College of Science and Expertise (POSTECH), Professor Kye Il Joo (Division of Chemical Engineering and Supplies Science) at Ewha Womans College, and Dr. Jong Gained Rhie (Division of Plastic and Reconstructive Surgical procedure) at Seoul St. Mary’s Hospital of the Faculty of Drugs on the Catholic College of Korea, has developed a brand new nanofiber hemostat.

The researchers developed a bilayer adhesive hemostat using mussel adhesive proteins that exhibit sturdy tissue adhesion underwater and silk fibroin extracted from silkworm cocoons. Within the analysis, mussel adhesive proteins demonstrated glorious hemostatic results together with platelet activation. The researchers employed methanol vapor to switch the secondary construction of silkworm silk proteins, leading to a nanofiber membrane with a hydrophobic outer floor.

Did You Know?

Silkworm incorporates fibroin and sericin which have been utilized in varied tissues of the human physique (pores and skin, bone, nerve, and so forth). Moreover, silkworm protein additionally has anti-cancer, anti-oxidant, anti-bacterial, and anti-diabetic properties.

In mild of this, the crew engineered a hemostatic agent that includes an inside layer with mussel adhesion proteins for wound adhesion and an outer protecting layer fully composed of silkworm silk proteins. By means of animal experiments, the hemostatic agent demonstrated speedy acceleration of tissue adhesion and hemostasis in bleeding wounds, successfully stopping the infiltration of water-containing infectious brokers corresponding to micro organism.

Utilizing two proteins which might be each extremely biocompatible and biodegradable, the researchers have launched a novel hemostatic agent able to clotting blood and offering protection in opposition to an infection.

Professor Hyung Joon Cha of the POSTECH who led the examine remarked, “Now we have validated the distinctive hemostatic efficiency of a multifunctional topical adhesive hemostatic agent that’s derived from nature and is predicated on degradable proteins within the human physique.” He added, “We’ll proceed additional analysis to evaluate its applicability in real-world affected person care or surgical settings.”



  1. Protecting Topical Twin-Sided Nanofibrous Hemostatic Dressing Utilizing Mussel and Silk Proteins with Multifunctionality of Hemostasis and Anti-Bacterial Infiltration – (




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