keratin

简明释义

英[ˈkerətɪn]美[ˈkerətɪn]

n. [生化] 角蛋白；角素，角质

英英释义

单词用法

同义词

反义词

例句

1.Optimum hydrolysis conditions are determined in the extraction of cystine from keratin.

实验确定了从角蛋白中提取胱氨酸的最佳水解终点。

2.The horn is made of keratin. That is the same substance as human hair, fingernails and toenails.

犀牛角是由角蛋白组成，它同人的头发、手指甲和脚趾甲是同一种物质。

3.Our hair is made of a type of protein called keratin.

我们的头发是由一种称为角蛋白的蛋白质。

4.AIM: To study the sites of anti keratin monoclonal antibody in live keratinocytes.

目的：观察抗角蛋白抗体在活细胞的反应部位。

5.The alpha helix is found in muscle protein and keratin.

α螺旋存在于肌肉蛋白和角蛋白中。

6.To study and analyze the extraction of keratin from egg-shell membrane.

研究并分析了蛋膜中角蛋白的提取方法。

7.Ingredients eau, cetyl alcohol, hydrolyzed keratin, hydrolyzed wheat protein, parfum, citric acid.

成份：去离子水，鲸蜡醇，橄榄油，水解角蛋白，水解小麦蛋白，香精，凯松，柠檬酸。

8.As these cells form they produce keratin, the substance that makes the nail body hard and durable.

这些细胞形成后会产生角蛋白，正是这种物质使得我们的指甲坚固且耐用。

9.The outer layer of your skin is made up of keratin, which helps protect your body from external damage.

你皮肤的外层由角蛋白组成，帮助保护你的身体免受外部伤害。

10.Hair is primarily composed of keratin, giving it strength and resilience.

头发主要由角蛋白组成，使其具有强度和韧性。

11.Nails are made of keratin, which makes them tough and durable.

指甲是由角蛋白构成的，使它们坚固耐用。

12.Many hair care products contain keratin to help repair damaged hair.

许多护发产品含有角蛋白，以帮助修复受损的头发。

13.Some animals have horns made of keratin, which protects them in the wild.

一些动物的角是由角蛋白制成的，这在野外保护它们。

作文

Keratin is a type of protein that plays a crucial role in the structure and protection of various tissues in the body. This fibrous protein is primarily found in hair, nails, and the outer layer of skin. Understanding the significance of keratin（角蛋白） can help us appreciate its importance not only in human biology but also in the beauty and cosmetic industries. One of the most fascinating aspects of keratin（角蛋白） is its resilience. It is known for its toughness and durability, which makes it an essential component in protecting our bodies from environmental damage. For instance, the skin acts as a barrier against pathogens, and the presence of keratin（角蛋白） enhances this protective function. The outermost layer of skin, known as the epidermis, is rich in keratin（角蛋白）, providing a waterproof layer that prevents excessive moisture loss and shields against harmful substances. In addition to its protective qualities, keratin（角蛋白） also contributes to the physical appearance of hair and nails. Hair strands are composed mainly of keratin（角蛋白）, which gives them strength and elasticity. This is why many hair care products emphasize the inclusion of keratin（角蛋白） in their formulations, claiming to repair and strengthen damaged hair. Similarly, nails are made of hardened keratin（角蛋白）, which helps maintain their shape and integrity. Moreover, the role of keratin（角蛋白） extends beyond humans; it is also found in animals. For example, animal horns, hooves, and feathers are all made of keratin（角蛋白）. This universality highlights how keratin（角蛋白） serves essential functions across different species, providing structural support and protection. In the medical field, understanding keratin（角蛋白） is vital for treating various skin conditions. Disorders such as psoriasis and eczema can affect the production and regulation of keratin（角蛋白） in the skin, leading to symptoms like scaling and irritation. Treatments often focus on restoring the balance of keratin（角蛋白） production to alleviate these conditions and promote healthier skin. Furthermore, the study of keratin（角蛋白） has implications in biotechnology and material science. Researchers are exploring ways to utilize keratin（角蛋白） in creating biodegradable materials and innovative textiles. Its natural properties make it an attractive option for sustainable development, potentially reducing reliance on synthetic materials that can harm the environment. In conclusion, keratin（角蛋白） is more than just a protein; it is a vital component that serves multiple functions in both human and animal biology. Its protective, structural, and aesthetic roles make it a subject of interest in various fields, from healthcare to cosmetics and environmental science. By understanding keratin（角蛋白） better, we can appreciate its contributions to our health and the potential benefits it holds for future applications.

角蛋白是一种在身体的各种组织中起着至关重要作用的蛋白质。这种纤维蛋白主要存在于头发、指甲和皮肤的外层。理解keratin（角蛋白）的重要性可以帮助我们欣赏它在人体生物学以及美容和化妆品行业中的重要性。 keratin（角蛋白）最令人着迷的方面之一就是它的韧性。它以坚韧和耐用而闻名，这使得它成为保护我们身体免受环境损害的重要组成部分。例如，皮肤作为对病原体的屏障，而keratin（角蛋白）的存在增强了这种保护功能。皮肤的最外层，称为表皮，富含keratin（角蛋白），提供了一层防水层，可以防止过度失水并保护身体免受有害物质的侵害。 除了其保护特性，keratin（角蛋白）还对头发和指甲的外观产生影响。头发主要由keratin（角蛋白）组成，使其具有强度和弹性。这就是为什么许多护发产品强调其配方中包含keratin（角蛋白），声称可以修复和增强受损的头发。同样，指甲是由硬化的keratin（角蛋白）构成的，这有助于保持其形状和完整性。 此外，keratin（角蛋白）的作用不仅限于人类；它也存在于动物中。例如，动物的角、蹄和羽毛都是由keratin（角蛋白）构成的。这种普遍性突显了keratin（角蛋白）在不同物种中提供结构支持和保护的基本功能。 在医学领域，理解keratin（角蛋白）对于治疗各种皮肤疾病至关重要。诸如银屑病和湿疹等疾病可能会影响皮肤中keratin（角蛋白）的生成和调节，从而导致鳞屑和刺激等症状。治疗通常侧重于恢复keratin（角蛋白）生成的平衡，以缓解这些疾病并促进更健康的皮肤。 此外，keratin（角蛋白）的研究在生物技术和材料科学中也有重要意义。研究人员正在探索利用keratin（角蛋白）来制造可生物降解的材料和创新纺织品。其天然特性使其成为可持续发展的一个有吸引力的选择，可能减少对可能对环境造成危害的合成材料的依赖。 总之，keratin（角蛋白）不仅仅是一种蛋白质；它是一个重要的组成部分，在人类和动物生物学中发挥着多种功能。它的保护、结构和美学角色使其成为各个领域的研究对象，从医疗到化妆品再到环境科学。通过更好地理解keratin（角蛋白），我们可以欣赏它对我们健康的贡献以及它在未来应用中可能带来的好处。