polylysine

简明释义

英[ˌpɑliˈlɪsaɪn]美[ˌpɑliˈlɪsaɪn]

n. 多熔素

英英释义

单词用法

同义词

反义词

例句

1.Neurospheres of coated group after the 2nd passage were cultured in polylysine-coated slides so as to observe the growth characteristics of NSCs.

取包被组二次传代后的神经球滴在包被有多聚赖氨酸的盖玻片上观察神经干细胞生长情况。

2.ObjectiveTo explore the methods of low temperature preservation for alginate-polylysine-alginate (APA) microcapsules.

目的探讨海藻酸钙-多聚赖氨酸-海藻酸钙（APA）微囊低温保存的降温方法。

3.Objective . This study was undertaken to test the feasibility of local gene transfer in vivo using polylysine- coated balloon catheter.

目的：研究多聚赖氨酸包被的球囊导管作在体定向基因转导的可行性。

4.Polylysine could enhance the adhesion of cell onto the artificial bone material. IGF_1increased the proliferation of osteoblast markedly.

多聚赖氨酸可促进细胞对材料的黏附，IGF_1对成骨细胞的增殖促进作用明显。

5.Neurospheres of coated group after the 2nd passage were cultured in polylysine-coated slides so as to observe the growth characteristics of NSCs.

取包被组二次传代后的神经球滴在包被有多聚赖氨酸的盖玻片上观察神经干细胞生长情况。

6.To create a stable cell culture environment, scientists added polylysine to the growth medium.

为了创建稳定的细胞培养环境，科学家们在生长培养基中添加了聚赖氨酸。

7.The researchers used polylysine to enhance the adhesion of cells to the surface of the scaffold.

研究人员使用聚赖氨酸来增强细胞与支架表面的粘附力。

8.In the study, polylysine was applied as a coating to improve the biocompatibility of medical devices.

在研究中，聚赖氨酸被用作涂层，以改善医疗设备的生物相容性。

9.The drug delivery system utilized polylysine for its ability to encapsulate therapeutic agents effectively.

该药物递送系统利用聚赖氨酸有效包封治疗剂的能力。

10.The team discovered that polylysine can significantly increase the loading capacity of nanoparticles.

团队发现聚赖氨酸可以显著提高纳米颗粒的装载能力。

作文

The field of biochemistry is filled with fascinating substances that have a variety of applications in medicine and biotechnology. One such substance is polylysine, which is a synthetic polymer made up of repeating units of the amino acid lysine. This compound has gained attention due to its unique properties and potential uses in various industries. In this essay, I will explore the characteristics of polylysine, its applications, and its significance in modern science.Firstly, polylysine is known for its cationic nature, meaning it carries a positive charge. This property allows it to interact with negatively charged molecules, such as DNA and cell membranes, making it an important tool in gene delivery systems. Researchers have found that polylysine can facilitate the uptake of genetic material into cells, which is crucial for gene therapy and vaccine development. By encapsulating DNA within polylysine nanoparticles, scientists can improve the efficiency of gene transfer, leading to more effective treatments for genetic disorders.In addition to its role in gene delivery, polylysine also exhibits antimicrobial properties. Studies have shown that polylysine can inhibit the growth of various bacteria and fungi, making it a valuable ingredient in pharmaceuticals and personal care products. For instance, polylysine is often used in wound dressings to prevent infection and promote healing. Its ability to disrupt microbial cell membranes allows it to act as a natural preservative, extending the shelf life of cosmetic formulations.Moreover, polylysine has been investigated for its potential applications in tissue engineering. The biocompatibility of polylysine makes it an attractive candidate for scaffolding materials that support cell growth and tissue regeneration. By combining polylysine with other biomaterials, researchers can create structures that mimic the extracellular matrix, providing a conducive environment for cells to thrive. This approach holds promise for developing artificial organs and repairing damaged tissues.Another exciting aspect of polylysine is its versatility in drug delivery systems. By modifying the structure of polylysine, scientists can tailor its properties to enhance drug solubility, stability, and release profiles. This customization allows for targeted delivery of therapeutic agents to specific sites in the body, minimizing side effects and improving treatment outcomes. For example, polylysine conjugates have been explored for delivering anticancer drugs directly to tumor cells, thereby increasing the efficacy of chemotherapy.In conclusion, polylysine is a remarkable compound with a wide range of applications in biomedicine and biotechnology. Its unique properties, such as cationic charge, antimicrobial activity, and biocompatibility, make it a valuable tool in gene delivery, tissue engineering, and drug delivery systems. As research continues to uncover new uses for polylysine, it is clear that this synthetic polymer will play an increasingly important role in advancing scientific knowledge and improving human health. The ongoing exploration of polylysine and its derivatives holds great promise for future innovations in the medical field, paving the way for novel therapies and improved patient care.

生物化学领域充满了各种具有多种应用的迷人物质，其中之一就是聚赖氨酸，这是一种由重复的氨基酸赖氨酸单元构成的合成聚合物。由于其独特的性质和在各个行业中的潜在用途，这种化合物引起了广泛关注。在本文中，我将探讨聚赖氨酸的特征、应用及其在现代科学中的重要性。首先，聚赖氨酸以其阳离子特性而著称，意味着它带有正电荷。这一特性使其能够与负电荷分子相互作用，如DNA和细胞膜，使其成为基因传递系统中的重要工具。研究人员发现，聚赖氨酸能够促进遗传物质进入细胞，这对基因治疗和疫苗开发至关重要。通过将DNA封装在聚赖氨酸纳米颗粒中，科学家可以提高基因转移的效率，从而为遗传疾病的治疗提供更有效的方案。除了在基因传递中的作用外，聚赖氨酸还表现出抗微生物特性。研究表明，聚赖氨酸能够抑制多种细菌和真菌的生长，使其成为药品和个人护理产品中的宝贵成分。例如，聚赖氨酸常用于伤口敷料中，以防止感染并促进愈合。其破坏微生物细胞膜的能力使其能够作为天然防腐剂，延长化妆品配方的保质期。此外，聚赖氨酸在组织工程中的潜在应用也受到研究者的关注。聚赖氨酸的生物相容性使其成为支持细胞生长和组织再生的支架材料的理想选择。通过将聚赖氨酸与其他生物材料结合，研究人员可以创建模拟细胞外基质的结构，为细胞的生长提供良好的环境。这一方法为开发人工器官和修复受损组织带来了希望。聚赖氨酸的另一个令人兴奋的方面是其在药物传递系统中的多功能性。通过修改聚赖氨酸的结构，科学家可以定制其特性，以增强药物的溶解性、稳定性和释放特性。这种定制化允许将治疗剂靶向输送到体内特定部位，从而减少副作用并改善治疗效果。例如，聚赖氨酸共轭物已被探索用于直接向肿瘤细胞输送抗癌药物，从而提高化疗的有效性。总之，聚赖氨酸是一种具有广泛应用的显著化合物，尤其是在生物医学和生物技术领域。其独特的性质，如阳离子电荷、抗微生物活性和生物相容性，使其成为基因传递、组织工程和药物传递系统中的宝贵工具。随着研究不断揭示聚赖氨酸的新用途，可以看出这种合成聚合物将在推动科学知识进步和改善人类健康方面发挥越来越重要的作用。对聚赖氨酸及其衍生物的持续探索为未来医学领域的创新铺平道路，为新疗法和改善患者护理提供了希望。