toxoid
简明释义
n. [免疫] 类毒素
英英释义
A toxoid is a toxin that has been treated to destroy its toxic properties but retains the ability to stimulate an immune response. | 类毒素是指经过处理以消除其毒性但仍保留刺激免疫反应能力的毒素。 |
单词用法
破伤风类毒素；破伤风菌疫苗 |
同义词
反义词
| 毒素 | The toxin produced by the bacteria can cause severe illness. | 细菌产生的毒素可能导致严重疾病。 | |
| 毒药 | 他被一种致命的毒药毒死了。 |
例句
1.Tetanus toxin and FITC labelled horse anti-tetanus toxoid serum were applied to show the plasma membrane of cultivated chicken embryonic cerebral cortical cells.
用破伤风毒素和异硫氰酸荧光素标记马抗破伤风血清可以特异地显示体外培养的神经细胞。
2.The delayed hypersensitivity induced by the diphtheria toxoid with different purity and dose was investigated to guide the vaccine production and improve the vaccine quality.
研究不同剂量及不同白喉类毒素纯度引起的迟发型超敏反应的状况，用于指导疫苗的生产，提高疫苗的质量。
3.Widespread use of this modified toxoid began in the 1940s when it was combined with the tetanus and pertussis vaccines.
这种改良的类毒素在1940年代与破伤风以及百日咳结合之后开始广泛使用。
4.The cells from mouse myeloma cell line SP2/0 were fused with human peripheral blood lymphocytes from the donors primed with a conventional dosage of tetanus toxoid (TT).
作者采用小鼠骨髓瘤细胞系与破伤风类毒素免疫的人外周血淋巴细胞进行融合，对影响人-鼠杂交瘤细胞制备人单抗成功的因素进行了探讨。
5.Methods Conjugate was prepared by carbodiimide mediated coupling of adipic acid hydrazide derivatives of capsular polysaccharides of group A meningococcal with tetanus toxoid(TT).
方法A群脑膜炎球菌多糖经溴化氰活化后共价接上己二酰肼手臂，在碳二亚胺催化下与精制破伤风类毒素（TT）偶联制备结合物。
6.The commercially supplied horse anti-tetanus toxoid serum was used satisfactorily.
市售马抗破伤风血清经标记后效果满意。
7.The production of toxoid 毒素类疫苗 involves inactivating the toxin produced by bacteria.
生产毒素类疫苗的过程涉及使细菌产生的毒素失活。
8.Doctors recommend getting a toxoid 毒素类疫苗 shot every ten years for tetanus protection.
医生建议每十年接种一次毒素类疫苗以保护自己免受破伤风。
9.Children are often vaccinated with a toxoid 毒素类疫苗 against diphtheria.
儿童通常会接种针对白喉的毒素类疫苗。
10.The vaccine contains a modified form of the toxoid 毒素类疫苗 to stimulate an immune response.
该疫苗含有一种经过修饰的毒素类疫苗，以刺激免疫反应。
11.Research shows that toxoid 毒素类疫苗 can effectively prevent certain bacterial infections.
研究表明，毒素类疫苗可以有效预防某些细菌感染。
作文
The concept of a toxoid (类毒素) is crucial in the field of immunology and vaccine development. A toxoid is an inactivated toxin that has lost its harmful properties but still retains the ability to provoke an immune response. This unique quality makes toxoid vaccines essential for protecting individuals against diseases caused by bacterial toxins. For instance, the diphtheria vaccine is based on a toxoid, which allows the body to develop immunity without exposing it to the actual disease-causing agent.Understanding how toxoid vaccines work is important for public health. When a person receives a toxoid vaccine, their immune system recognizes the inactivated toxin as a foreign substance. In response, the body produces antibodies that specifically target the toxoid. These antibodies remain in the body, ready to combat the real toxin if exposed in the future. This process exemplifies the principle of vaccination: introducing a harmless form of a pathogen to stimulate an immune response.The development of toxoid vaccines has significantly reduced the incidence of diseases like tetanus and diphtheria. Before the introduction of these vaccines, outbreaks were common and often resulted in severe complications or death. The success of toxoid vaccines demonstrates the power of preventive medicine and the importance of widespread immunization programs.Moreover, the safety profile of toxoid vaccines is generally high. Since they contain inactivated toxins rather than live pathogens, the risk of causing the disease is virtually eliminated. This characteristic makes toxoid vaccines suitable for a wide range of populations, including children and those with weakened immune systems.However, despite their effectiveness, there are challenges in maintaining high vaccination rates. Misinformation about vaccines can lead to hesitancy, which poses a risk to community immunity. It is critical for healthcare professionals to educate the public about the benefits of toxoid vaccines and to address any concerns regarding their safety and efficacy.In conclusion, toxoid (类毒素) vaccines play a vital role in preventing serious diseases caused by bacterial toxins. Their ability to stimulate a robust immune response without the associated risks of live pathogens makes them an invaluable tool in public health. As we continue to advance in medical science, understanding and promoting the use of toxoid vaccines will be essential in our efforts to eradicate preventable diseases and protect future generations.
