semisynthetic

简明释义

英[ˈsemɪsɪnˈθetɪk]美[ˌsemisɪnˈθetɪk;ˌsemaɪsɪnˈθet

adj. 半合成的

英英释义

单词用法

同义词

反义词

例句

1.Many natural and semisynthetic variants have since been produced.

许多天然和半合成的青霉素从此也出现了。

2.A semisynthetic derivative of penicillin that is effective in the treatment of infections caused by certain susceptible strains of Gram-negative bacteria, such as Pseudomonas and Proteus.

盘尼西林的半合成衍生物，在治疗由革兰氏阴性细菌的某些过敏性菌系，如假单胞菌和变形杆菌引起的感染方面有疗效。

3.Amoxi-Tabs is a semisynthetic antibiotic with a broad spectrum of activity.

标签是一种半合成抗生素具有广谱的活动。

4.Rifampin is a semisynthetic antibiotics.

利福平是一种半合成抗生素。

5.In particular, a semisynthetic medium in the invention is used for to ferment the strain to obtain higher sugar yield.

特别是利用本发明中半合成培养基发酵该菌株可得到较高的产糖量。

6.Early antibiotics were natural microbial products, But chemists have modified the structures of many to produce semisynthetic and even wholly synthetic ones.

早期的抗生素是由细菌自然生成的产物，化学家改变许多结构产生出半合成或完全合成的抗生素。

7.A semisynthetic derivative of penicillin that is effective in the treatment of infections caused by certain susceptible strains of Gram-negative bacteria, such as Pseudomonas and Proteus.

盘尼西林的半合成衍生物，在治疗由革兰氏阴性细菌的某些过敏性菌系，如假单胞菌和变形杆菌引起的感染方面有疗效。

8.A semisynthetic antibiotic derived from a form of rifamycin that interferes with the synthesis of RNA and is used to treat bacterial and viral diseases.

一种半合成抗生素，从参与核糖核酸合成的利福霉素的一种形态中提取，用于治疗细菌性和病毒性疾病。

9.Pharmaceutical companies often use semisynthetic 半合成的 processes to enhance drug efficacy.

制药公司通常使用semisynthetic 半合成的工艺来提高药物的有效性。

10.The semisynthetic 半合成的 version of the antibiotic has fewer side effects.

这种抗生素的semisynthetic 半合成的版本副作用更少。

11.The drug is a semisynthetic 半合成的 derivative of a natural compound.

该药物是天然化合物的semisynthetic 半合成的衍生物。

12.Many antibiotics are semisynthetic 半合成的 to improve their resistance to bacteria.

许多抗生素是semisynthetic 半合成的，以提高它们对细菌的耐药性。

13.Researchers are developing new semisynthetic 半合成的 compounds for cancer treatment.

研究人员正在开发新的semisynthetic 半合成的化合物用于癌症治疗。

作文

In the world of pharmaceuticals, the term semisynthetic refers to substances that are derived from natural sources but have been chemically modified to enhance their properties or effectiveness. This process of modification is crucial in developing new drugs that can better target diseases and improve patient outcomes. For instance, many antibiotics we use today are semisynthetic, meaning they start with a natural compound but undergo chemical alterations to create a more potent version. One prominent example is amoxicillin, which is derived from penicillin. The original penicillin was effective but had limitations in terms of its spectrum of activity against various bacteria. By creating a semisynthetic version, scientists were able to broaden its effectiveness, making it a more versatile antibiotic.The significance of semisynthetic compounds extends beyond antibiotics. In cancer treatment, for example, some chemotherapeutic agents are also semisynthetic. They are based on naturally occurring substances like plant alkaloids but have been chemically altered to improve their efficacy and reduce side effects. This approach allows for the development of drugs that can specifically target cancer cells while minimizing damage to healthy cells, which is a major challenge in cancer therapy.Moreover, the field of organic chemistry has greatly benefited from the study of semisynthetic processes. Chemists often explore ways to modify natural products to create new materials with desired properties. For example, researchers might take a natural polymer and alter its structure to improve its strength or flexibility, resulting in a semisynthetic material that could be used in various applications, from medical devices to packaging.The environmental aspect of semisynthetic products is also worth noting. As the world becomes more aware of sustainability, the ability to derive valuable substances from renewable resources, such as plants, is increasingly important. Semisynthetic methods can often reduce reliance on fossil fuels and decrease the carbon footprint associated with the production of certain chemicals. By using natural compounds as a starting point, researchers can develop greener alternatives that align with environmental goals.However, the journey of semisynthetic drug development is not without challenges. Regulatory hurdles, safety assessments, and the need for extensive clinical trials can slow down the process of bringing a semisynthetic drug to market. Additionally, the potential for side effects and interactions with other medications must be carefully evaluated to ensure patient safety. Despite these challenges, the benefits of semisynthetic drugs in improving health outcomes and addressing unmet medical needs make them a vital area of research.In conclusion, the concept of semisynthetic compounds plays a crucial role in modern medicine and materials science. By combining the strengths of natural products with the advancements of synthetic chemistry, researchers can create innovative solutions that enhance our quality of life. Whether it's through the development of more effective antibiotics or the creation of sustainable materials, the impact of semisynthetic processes will continue to shape our future.

在制药领域，术语半合成指的是从自然来源衍生但经过化学改造以增强其特性或有效性的物质。这种改造过程对于开发能够更好地针对疾病并改善患者结果的新药至关重要。例如，我们今天使用的许多抗生素都是半合成的，这意味着它们以天然化合物为基础，但经过化学改变以创建更强效的版本。一个显著的例子是阿莫西林，它源自青霉素。原始的青霉素有效，但在对各种细菌的作用范围方面存在局限性。通过创造半合成版本，科学家能够扩大其有效性，使其成为一种更具多功能性的抗生素。半合成化合物的重要性不仅仅局限于抗生素。在癌症治疗中，例如，一些化疗药物也是半合成的。它们基于天然存在的物质，如植物生物碱，但经过化学改造以提高其有效性并减少副作用。这种方法允许开发能够专门靶向癌细胞的药物，同时最小化对健康细胞的损害，这在癌症治疗中是一个主要挑战。此外，有机化学领域也在研究半合成过程方面受益匪浅。化学家们经常探索修改天然产品的方法，以创造具有所需特性的材料。例如，研究人员可能会取一个天然聚合物并改变其结构，以提高其强度或柔韧性，从而产生一种可以用于各种应用的半合成材料，从医疗设备到包装。半合成产品的环境方面也值得注意。随着世界对可持续性认识的加深，从可再生资源（如植物）中提取有价值物质的能力变得越来越重要。半合成方法通常可以减少对化石燃料的依赖，并降低与某些化学品生产相关的碳足迹。通过以天然化合物作为起点，研究人员可以开发出符合环境目标的更环保替代品。然而，半合成药物开发的过程并非没有挑战。监管障碍、安全评估以及对广泛临床试验的需求可能会减缓将半合成药物推向市场的进程。此外，潜在的副作用和与其他药物的相互作用必须经过仔细评估，以确保患者安全。尽管面临这些挑战，半合成药物在改善健康结果和解决未满足的医疗需求方面的好处使其成为一个重要的研究领域。总之，半合成化合物的概念在现代医学和材料科学中发挥着至关重要的作用。通过将天然产品的优势与合成化学的进步相结合，研究人员可以创造出创新的解决方案，提升我们的生活质量。无论是通过开发更有效的抗生素，还是创造可持续材料，半合成过程的影响将继续塑造我们的未来。