相关实验视频

Updated: Jul 7, 2025

Assessment of the Anticoagulant and Anti-inflammatory Properties of Endothelial Cells Using 3D Cell Culture and Non-anticoagulated Whole Blood

Assessment of the Anticoagulant and Anti-inflammatory Properties of Endothelial Cells Using 3D Cell Culture and Non-anticoagulated Whole Blood

Published on: September 5, 2017

棉-酸盐-铜复合材料的血液凝固活动

Zdzisława Mrozińska¹, Michał Ponczek², Anna Kaczmarek¹

¹Łukasiewicz Research Network-Lodz Institute of Technology, 19/27 Marii Sklodowskiej-Curie Str., 90-570 Lodz, Poland.

|December 22, 2023

概括

新的棉-酸盐-铜复合材料显示出生物医学用途的前景. 这些材料表现出有效的血凝固和抗微生物特性,表明有可能用于先进的伤口包裹.

科学领域:

生物材料科学生物材料科学
医学化学医学化学
纳米技术纳米技术

背景情况:

基于酸盐的材料因其在医学中的有价值的生物化学特性而得到认可.
对于生物医学应用而言,不断需要具有增强血静和抗菌功能的新型复合材料.

研究的目的:

为了合成和描述新的棉-酸盐-铜复合材料 (COT-Alg^(-)Cu⁽²⁺⁾).
评估这些复合物的生物化学特性,重点关注血凝固.
评估合成材料的体外抗微生物和抗真菌活性.

主要方法:

棉纤维被浸泡在酸溶液中.
酸与铜 (II) 离子的离子交联在棉纤维内进行.
生物化学评估包括激活的部分血小板质量时间 (aPTT),前体血时间 (PT) 和血小板血时间 (TT).
进行了体外抗微生物测试,对抗格拉姆阳性和格拉姆阴性细菌和抗真菌敏感性测试.

主要成果:

合成的棉-酸盐-铜复合物在影响血凝固方面表现出显著的潜力.
这些材料在体外证明了对测试的细菌菌株的抗微生物活性.
抗真菌易感性测试表明对真菌病原体的有效性.

结论:

开发的棉-酸盐-铜复合材料对生物医学应用具有前景.
它们的静血和抗微生物特性使它们成为先进伤口包装材料的合适候选者.

关键词:

激活的部分血栓塑时间.酸是一种酸.抗真菌活动的抗真菌活性.抗微生物活性的抗微生物活性.血液凝固血液凝固这是一个复合材料.铜铜铜铜的铜.基于棉花的材料是棉花.聚合物的功能化.蛋白质血时间 (prothrombin time) 是什么?血栓凝血时间 (Thrombin Time) 是指

更多相关视频

Synthesis of Thermogelling PolyN-isopropylacrylamide-graft-chondroitin Sulfate Composites with Alginate Microparticles for Tissue Engineering

Synthesis of Thermogelling PolyN-isopropylacrylamide-graft-chondroitin Sulfate Composites with Alginate Microparticles for Tissue Engineering

Published on: October 26, 2016

Generation of Scalable, Metallic High-Aspect Ratio Nanocomposites in a Biological Liquid Medium

Generation of Scalable, Metallic High-Aspect Ratio Nanocomposites in a Biological Liquid Medium

Published on: July 8, 2015

相关概念视频

Coagulation

Coagulation

The coagulation phase is a critical part of the body's process to prevent blood loss following injury to blood vessels. It involves chemical reactions that form a clot to seal the injured area. The clotting process begins shortly after injury, within 15-20 seconds for severe damage and 1-2 minutes for minor injuries.
During the coagulation phase, clotting factors, or procoagulants, play a vital role in initiating and progressing the coagulation cascade. This cascade is a series of reactions...

Extrinsic and Intrinsic Pathways of Hemostasis

Extrinsic and Intrinsic Pathways of Hemostasis

Blood clotting or coagulation involves extrinsic and intrinsic pathways, which ultimately merge into the common pathway, forming a fibrin clot.
The Extrinsic Pathway
The extrinsic pathway of coagulation is typically initiated by tissue damage that exposes blood to tissue factor (TF), a protein released by the damaged tissue cells outside the blood vessels—this interaction with TF triggers biochemical reactions involving specific clotting factors. The key player here is Factor VII, which...

Introduction to Hemostasis

Introduction to Hemostasis

Hemostasis is a complex physiological process that prevents excessive bleeding when a blood vessel is injured. It's crucial for maintaining the integrity of the circulatory system, as it ensures that our blood remains fluid while still within the vascular network and yet clots to prevent blood loss upon vessel injury.
The three phases of hemostasis involve many clotting factors present in plasma and several substances released by platelets and injured tissue cells. It is a fast, localized,...

Clot Retraction and Fibrinolysis

Clot Retraction and Fibrinolysis

After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.

Anticoagulant Drugs: Low-Molecular-Weight Heparins

Anticoagulant Drugs: Low-Molecular-Weight Heparins

Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...