dextran

简明释义

英[ˈdekstrən]美[ˈdekstrən;ˈdeksˌtræn]

n. [有化] 右旋糖酐；葡萄聚糖

英英释义

单词用法

同义词

反义词

例句

1.After extracted by dextran sulphate, the content of protein was 19.02%, and the content of soluble protein was little.

葡聚糖硫酸盐法提取的粗提物中蛋白质含量仅为19.02%，而可溶性蛋白质含量极少。

2.The concentration of dextran solution was measured by testing its turbidity value using ethanol as the precipitant.

以乙醇为沉淀剂，测定水溶液中葡聚糖溶液浊度的方法测定葡聚糖的浓度。

3.Objective: To study the compatible stability of Rifine Safflower injection and Dextran 40 Glucose injection.

目的：考察精制红花注射液与右旋糖苷- 40葡萄糖注射液的配伍稳定性。

4.Objective To determine the application of modified low-potassium dextran (LPD) solution in heart-lung transplantation.

目的：探讨改良低钾右旋糖酐（LPD）溶液在心肺移植术中的肺保护作用。

5.AIM To develop an orally administered colon targeting drug delivery system dexamethasone succinate dextran (DSD) tablets.

目的研制口服结肠定位释放药物的地塞米松葡聚糖酯及其片剂。

6.Between 24 and 69 percent of Swedish-produced dextran was excreted within 24 hours.

瑞典生产的24%到69%的的葡聚糖中在24小时内被排泄出来。

7.Patients in the control group were treated with low molecular dextran and placebo (made with starch).

对照组静点低分子右旋糖苷，口服安慰剂胶囊(淀粉)。

8.The Schenley Corp. , which was also producing dextran, had a similar agreement with a British company.

同样也生产葡聚糖的申力公司，同英国的一家公司也有一份相似的协议。

9.The use of dextran in plasma expanders helps treat patients with severe burns.

在血浆扩容剂中使用右旋糖酐有助于治疗严重烧伤的患者。

10.For certain medical imaging techniques, dextran is used as a contrast agent.

在某些医学成像技术中，右旋糖酐被用作对比剂。

11.The doctor prescribed a solution containing dextran for the patient to improve blood volume.

医生开了一种含有右旋糖酐的溶液，以改善患者的血容量。

12.Research shows that dextran can enhance drug delivery systems.

研究表明，右旋糖酐可以增强药物递送系统。

13.In laboratory experiments, dextran is often used as a standard for measuring molecular weight.

在实验室实验中，右旋糖酐常被用作测量分子量的标准。

作文

Dextran is a complex branched polysaccharide that is produced by certain bacteria, particularly from the genus Leuconostoc. It is composed of glucose molecules linked together by α-1,6 glycosidic bonds, with branches formed by α-1,3 linkages. The unique structure of dextran (右旋糖酐) gives it various properties that are beneficial in medical and industrial applications. One of the most notable features of dextran is its ability to form a viscous solution when dissolved in water, making it useful as a plasma volume expander in medical treatments. This property allows doctors to treat patients who have lost a significant amount of blood or fluids due to injury or surgery, helping to maintain blood pressure and improve circulation.In addition to its use in medicine, dextran (右旋糖酐) also plays a crucial role in the food industry. It is often used as a thickening agent, stabilizer, or emulsifier in various food products. For example, dextran can be found in salad dressings, sauces, and even baked goods, where it helps to improve texture and maintain moisture. Its versatility makes it an important ingredient in many processed foods, catering to the demands of consumers for both quality and consistency.The pharmaceutical industry has also recognized the potential of dextran (右旋糖酐) for drug delivery systems. Researchers are exploring ways to use dextran as a carrier for targeted drug delivery, particularly in cancer therapies. By attaching therapeutic agents to dextran, it is possible to enhance the solubility and stability of drugs, allowing for more effective treatment options with fewer side effects. This innovative approach demonstrates how dextran can contribute to advancements in modern medicine.Moreover, dextran (右旋糖酐) is also utilized in laboratory settings, particularly in microbiology and biochemistry. It serves as a medium for bacterial culture and can be used in various assays and experiments. The ability of dextran to create a gel-like environment makes it suitable for isolating specific bacteria or studying their growth patterns. Its application in research highlights the importance of dextran beyond its commercial uses, showcasing its value in scientific exploration.Despite its many benefits, it is essential to consider the potential risks associated with the use of dextran (右旋糖酐). Some individuals may experience allergic reactions or adverse effects when exposed to dextran, particularly in medical applications. Therefore, healthcare professionals must carefully assess each patient's history and monitor for any signs of complications. Additionally, ongoing research is necessary to fully understand the long-term effects of dextran use in various industries.In conclusion, dextran (右旋糖酐) is a remarkable polysaccharide with diverse applications in medicine, food, and research. Its unique properties make it a valuable resource for enhancing health outcomes and improving product quality. As research continues to uncover new uses for dextran, it is clear that this compound will remain an essential component in various fields, contributing to advancements in science and technology.

右旋糖酐是一种复杂的支链多糖，由某些细菌（特别是来自乳酸菌属的细菌）生产。它由通过α-1,6糖苷键连接在一起的葡萄糖分子组成，分支则由α-1,3链接形成。dextran（右旋糖酐）独特的结构赋予其多种有益的医疗和工业应用。其中最显著的特点是它在水中溶解时能够形成粘稠的溶液，这使其在医学治疗中作为血浆容量扩展剂非常有用。这一特性允许医生治疗因受伤或手术而失去大量血液或液体的患者，帮助维持血压并改善循环。除了在医学中的应用，dextran（右旋糖酐）在食品工业中也发挥着重要作用。它常被用作各种食品产品中的增稠剂、稳定剂或乳化剂。例如，dextran可以在沙拉酱、酱汁甚至烘焙食品中找到，它有助于改善质地和保持湿润度。其多功能性使其成为许多加工食品中的重要成分，满足消费者对质量和一致性的需求。制药行业也认识到dextran（右旋糖酐）在药物递送系统中的潜力。研究人员正在探索如何使用dextran作为靶向药物递送的载体，特别是在癌症疗法中。通过将治疗剂附加到dextran上，可以增强药物的溶解性和稳定性，从而提供更有效的治疗选择，并减少副作用。这种创新的方法展示了dextran如何为现代医学的进步做出贡献。此外，dextran（右旋糖酐）还用于实验室环境，尤其是在微生物学和生物化学中。它作为细菌培养的介质，并可用于各种测定和实验。dextran能够创造类似凝胶的环境，使其适合于分离特定细菌或研究其生长模式。其在研究中的应用突显了dextran超越商业用途的重要性，展示了其在科学探索中的价值。尽管有诸多好处，但在使用dextran（右旋糖酐）时需考虑潜在的风险。一些个体在接触dextran时可能会出现过敏反应或不良反应，特别是在医疗应用中。因此，医疗专业人员必须仔细评估每位患者的病史，并监测任何并发症的迹象。此外，持续的研究对于全面了解dextran在各个行业长期使用的影响是必要的。总之，dextran（右旋糖酐）是一种具有多种应用的卓越多糖，在医学、食品和研究领域都具有重要意义。其独特的性质使其成为增强健康结果和改善产品质量的宝贵资源。随着研究继续揭示dextran的新用途，可以肯定的是，这种化合物将在各个领域中仍然是一个不可或缺的组成部分，为科学和技术的进步做出贡献。