phototoxicity

简明释义

英[/ˌfoʊtəʊtɒkˈsɪsɪti/]美[/ˌfoʊtəʊtɒkˈsɪsɪti/]

n. 光毒性

英英释义

单词用法

同义词

反义词

例句

1.Objective To evaluate the 3T3 Mouse Fibroblast neutral red uptake phototoxicity test(3T3 NRU-PT)method detecting potential phototoxicity of cosmetic products.

目的研究3T3成纤维细胞中性红摄取试验（3T3NRU PT）在化妆品安全性评价中取代动物光毒性试验的可行性。

2.Objective To explore the influence factors and experimental conditions of phototoxicity test using pure UVA light source.

目的探讨采用单纯紫外线A（UVA）为照射光源的光毒性试验的影响因素及试验条件。

3.Objective To evaluate the 3T3 Mouse Fibroblast neutral red uptake phototoxicity test(3T3 NRU-PT)method detecting potential phototoxicity of cosmetic products.

目的研究3T3成纤维细胞中性红摄取试验（3T3NRU PT）在化妆品安全性评价中取代动物光毒性试验的可行性。

4.Certain medications can cause phototoxicity when exposed to sunlight.

某些药物在阳光下暴露时可能会引起光毒性。

5.The study focused on the phototoxicity of certain herbal extracts.

该研究集中于某些草药提取物的光毒性。

6.People with phototoxicity should avoid direct sunlight to prevent skin reactions.

有光毒性的人应避免直接阳光照射，以防皮肤反应。

7.Sunscreens can help protect against phototoxicity caused by UV rays.

防晒霜可以帮助保护免受紫外线引起的光毒性。

8.Patients are advised to read the side effects of drugs that may cause phototoxicity.

建议患者阅读可能引起光毒性的药物的副作用。

作文

Phototoxicity is a term that refers to the harmful effects that certain substances can have on living organisms when they are exposed to light, particularly ultraviolet (UV) light. This phenomenon is particularly significant in the fields of medicine, dermatology, and toxicology. Understanding phototoxicity is crucial because it can lead to adverse reactions in individuals who are exposed to specific medications or chemicals that become activated by light. For example, some antibiotics, non-steroidal anti-inflammatory drugs (NSAIDs), and even certain herbal supplements can cause phototoxicity, resulting in skin rashes, burns, or other severe reactions when the skin is exposed to sunlight. The mechanism behind phototoxicity involves the absorption of light by these substances, which then leads to the formation of reactive oxygen species (ROS). These ROS can damage cellular components, including lipids, proteins, and DNA, leading to cell death or inflammation. This process highlights the importance of understanding how different compounds interact with light and the potential risks associated with their use. For instance, patients who are prescribed medications known to cause phototoxicity are often advised to take precautions when going outdoors, such as wearing protective clothing or applying sunscreen. This is especially important for individuals with fair skin, as they may be more susceptible to the effects of UV radiation combined with phototoxic agents. In addition to pharmaceuticals, certain plants and natural products can also exhibit phototoxicity. For example, the oil extracted from the bergamot fruit contains compounds that can cause severe skin reactions when exposed to sunlight. This has implications not only for those using these products but also for industries that utilize plant extracts in cosmetics and skincare formulations. To mitigate the risks associated with phototoxicity, researchers are continually investigating safer alternatives and developing guidelines for the safe use of phototoxic agents. Public awareness campaigns can also play a vital role in educating individuals about the potential dangers of certain medications and products, encouraging them to seek advice from healthcare professionals before starting new treatments. In conclusion, phototoxicity is a critical area of study that underscores the complex interactions between light and chemical substances. As our understanding of this phenomenon grows, so does our ability to prevent and manage the adverse effects associated with it. By being informed and cautious, individuals can enjoy the benefits of various medications and products while minimizing the risks of phototoxicity. This knowledge empowers both consumers and healthcare providers to make better decisions regarding treatment options and lifestyle choices, ultimately leading to healthier outcomes for all. In summary, phototoxicity is not just a scientific term; it represents a significant health concern that requires attention from both the medical community and the general public. Awareness, education, and research are key components in addressing the challenges posed by phototoxicity, ensuring that we can safely navigate the complexities of light-activated substances in our daily lives.

光毒性是一个术语，指的是某些物质在暴露于光线，特别是紫外线（UV）光时，对生物体产生的有害影响。这种现象在医学、皮肤科和毒理学领域尤为重要。理解光毒性至关重要，因为它可能导致接触特定药物或化学物质的个体出现不良反应，这些物质在光照下会被激活。例如，一些抗生素、非甾体抗炎药（NSAIDs）甚至某些草药补充剂都可能引起光毒性，导致皮疹、烧伤或其他严重反应，当皮肤暴露在阳光下时。光毒性背后的机制涉及这些物质对光的吸收，从而导致活性氧物种（ROS）的形成。这些ROS可以损害细胞成分，包括脂质、蛋白质和DNA，导致细胞死亡或炎症。这个过程突显了理解不同化合物如何与光相互作用及其使用潜在风险的重要性。例如，已知会引起光毒性的药物的患者通常会被建议在户外时采取预防措施，例如穿着保护性衣物或涂抹防晒霜。这对皮肤较白的人尤其重要，因为他们可能对紫外线辐射与光毒性剂结合的影响更为敏感。除了药物，某些植物和天然产品也可能表现出光毒性。例如，从佛手柑水果中提取的油含有的化合物，在暴露于阳光下时可能导致严重的皮肤反应。这不仅对使用这些产品的人有影响，而且对利用植物提取物在化妆品和护肤配方中的行业也有影响。为了减轻与光毒性相关的风险，研究人员不断研究更安全的替代方案，并制定安全使用光毒性剂的指南。公众意识活动也可以在教育人们有关某些药物和产品潜在危险方面发挥重要作用，鼓励他们在开始新治疗之前向医疗专业人士寻求建议。总之，光毒性是一个关键的研究领域，突显了光与化学物质之间复杂的相互作用。随着我们对这一现象的理解不断加深，我们管理和预防与之相关的不良影响的能力也在提高。通过获取信息和保持谨慎，个人可以享受各种药物和产品的好处，同时将光毒性的风险降到最低。这一知识使消费者和医疗提供者能够在治疗选择和生活方式决策上做出更好的选择，最终为所有人带来更健康的结果。总之，光毒性不仅仅是一个科学术语；它代表了一项需要医学界和公众关注的重要健康问题。意识、教育和研究是应对光毒性带来的挑战的关键组成部分，确保我们能够安全地应对日常生活中光激活物质的复杂性。