bioavailability

简明释义

英[ˌbaɪəʊəˌveɪləˈbɪlɪti]美[ˌbaɪoəˌveləˈbɪlɪti]

n. 生物利用度；生物药效率

英英释义

单词用法

同义词

反义词

例句

1.OBJECTIVE:To evaluate the relative bioavailability of2kinds of preparations of cefaclor capsules.

目的：评价头孢克罗胶囊2种制剂的生物等效性。

2.AIM: To study the pharmacokinetics and relative bioavailability of dextromethorphan hydrobromide tablet in healthy volunteers.

目的：研究氢溴酸右美沙芬片在健康人体的药动学及相对生物利用度。

3.Oral albendazole liposomes has shown higher bioavailability and liver targeting in comparison with tablet formulation.

口服阿苯达唑脂质体有较高的生物利用度并有一定的肝脏靶向性。

4.Plant gene engineering can be used to increase the content and its bioavailability of iron in plant.

本文综述了利用基因工程提高植物铁含量和增加铁的生物有效度的方法。

5.Progresses in research on bioavailability of heavy metals in soil.

土壤中重金属的生物有效性研究进展。

6.OBJECTIVE To study the relative bioavailability of isopropiram fumurate tablets in healthy volunteers.

目的：研究富马酸异丙吡仑片的人体相对生物利用度。

7.Organic selenium has the advantages of high bioavailability, low toxicity.

有机态硒具有生物利用度高、毒性低等优点。

8.It was showed that the uptake ways of organisms may also influence the bioavailability of heavy metals.

结果表明，不同形态重金属的生物有效性，对不同吸收途径的生物是不同的。

9.Certain medications have low bioavailability, which means only a small fraction reaches systemic circulation.

某些药物的生物利用度较低，这意味着只有一小部分进入全身循环。

10.The bioavailability of vitamins can vary significantly depending on the food source.

维生素的生物利用度可能因食物来源而显著不同。

11.To improve the bioavailability of curcumin, it is often combined with piperine.

为了提高姜黄素的生物利用度，通常与胡椒碱结合使用。

12.Researchers are studying how cooking methods affect the bioavailability of nutrients in vegetables.

研究人员正在研究烹饪方法如何影响蔬菜中营养素的生物利用度。

13.The bioavailability of iron from plant sources is often lower than that from animal sources.

植物来源的铁的生物利用度通常低于动物来源的铁。

作文

Bioavailability is a crucial concept in pharmacology and nutrition that refers to the proportion of a nutrient or drug that enters the systemic circulation when it is introduced into the body. Understanding bioavailability (生物利用度) is essential for assessing how effectively a substance can exert its intended effects. For instance, when we consume vitamins or medications, not all of the ingested amount will be absorbed into the bloodstream; some may be lost during digestion or metabolism. Therefore, the bioavailability (生物利用度) of a compound can significantly influence its efficacy and therapeutic outcomes.In the field of nutrition, bioavailability (生物利用度) plays a vital role in determining how well our bodies can utilize the nutrients from food. Different foods contain varying levels of nutrients, and factors such as the food matrix, preparation methods, and individual digestive health can affect nutrient absorption. For example, iron from animal sources (heme iron) has higher bioavailability (生物利用度) compared to iron from plant sources (non-heme iron), which may require additional vitamin C for enhanced absorption.Moreover, the bioavailability (生物利用度) of a drug is influenced by its formulation. For instance, some medications are designed to be released slowly in the body, which can alter their absorption rates and overall effectiveness. A drug's route of administration—whether oral, intravenous, or topical—also impacts its bioavailability (生物利用度). Intravenous drugs typically have 100% bioavailability (生物利用度), while oral medications may have lower percentages due to first-pass metabolism in the liver.Research into bioavailability (生物利用度) is ongoing, with scientists exploring ways to enhance the absorption of essential nutrients and medications. For example, encapsulating nutrients in nanoparticles or using specific delivery systems can improve their bioavailability (生物利用度) and ensure that more of the active ingredient reaches its target site. This research is particularly important in developing treatments for chronic diseases where effective nutrient delivery can make a significant difference in patient outcomes.In conclusion, bioavailability (生物利用度) is a fundamental aspect of both pharmacology and nutrition that affects how substances interact with our bodies. By understanding the factors that influence bioavailability (生物利用度), we can make informed choices about our diets and medications, ultimately leading to better health outcomes. As research continues to advance in this area, we can expect to see improved formulations and strategies that maximize the bioavailability (生物利用度) of essential nutrients and therapeutic agents, paving the way for more effective healthcare solutions.

生物利用度是药理学和营养学中的一个关键概念，指的是当营养素或药物被引入体内时，进入系统循环的比例。理解生物利用度（bioavailability）对于评估物质如何有效发挥其预期效果至关重要。例如，当我们摄入维生素或药物时，并不是所有摄入的量都会被吸收到血液中；在消化或代谢过程中，一些可能会流失。因此，生物利用度（bioavailability）对化合物的功效和治疗结果有显著影响。在营养学领域，生物利用度（bioavailability）在确定我们身体能多好地利用食物中的营养素方面起着重要作用。不同的食物含有不同水平的营养素，而食物基质、准备方法和个体消化健康等因素都可以影响营养素的吸收。例如，动物来源的铁（血红素铁）的生物利用度（bioavailability）高于植物来源的铁（非血红素铁），后者可能需要额外的维生素C以增强吸收。此外，药物的生物利用度（bioavailability）受到其制剂的影响。例如，一些药物设计为在体内缓慢释放，这可能会改变其吸收率和整体有效性。药物的给药途径——无论是口服、静脉注射还是局部使用——也会影响其生物利用度（bioavailability）。静脉注射药物通常具有100%的生物利用度（bioavailability），而口服药物由于肝脏的首过代谢，可能具有较低的百分比。对生物利用度（bioavailability）的研究正在进行中，科学家们正在探索提高必需营养素和药物吸收的方法。例如，将营养素封装在纳米颗粒中或使用特定的递送系统可以改善它们的生物利用度（bioavailability），确保更多的活性成分到达目标部位。这项研究在开发慢性病治疗中尤为重要，因为有效的营养素输送可以显著改善患者的结果。总之，生物利用度（bioavailability）是药理学和营养学中的一个基本方面，影响物质如何与我们身体相互作用。通过理解影响生物利用度（bioavailability）的因素，我们可以就饮食和药物做出明智的选择，从而最终实现更好的健康结果。随着这一领域研究的不断推进，我们可以期待看到改善的配方和策略，以最大化必需营养素和治疗剂的生物利用度（bioavailability），为更有效的医疗解决方案铺平道路。