agarose

简明释义

英[ˈæɡərəʊz;-s]美[ˈɑɡəˌros;ˈɑɡəˌroz;ˈæɡəˌros]

n. [有化] 琼脂糖

英英释义

单词用法

同义词

反义词

例句

1.Fluorescence staining and agarose gel electrophoresis were used to study apoptosis.

用荧光染色法和琼脂糖凝胶电泳观察细胞凋亡情况。

2.Agarose is naturally linear polysaccharide.

琼脂糖是一种天然的直链多糖。

3.The results of agarose gel electrophoresis and DNA sequence analysis indicated that the PCR method had high specificity and sensitivity.

结果经琼脂糖凝胶电泳和DNA序列测定证实，建立的PCR检测方法具有极高的灵敏度和较好的特异性。

4.To study the mechanism of hepatic damaging due to amatoxins. Researching the apoptosis in mouses hepatic cell with agarose electrophoresis.

研究鹅膏毒素致肝损害的机理，对小白鼠腹腔注射鹅膏菌毒素，利用琼脂糖凝胶电泳法研究肝细胞凋亡。

5.This company now has the annual production ability of 200 t of high-quality agar and 2 t of agarose.

企业目前已形成年产200吨优质琼脂和2吨琼脂糖的生产规模。

6.Restricted DNA products were then separated by useng 3% agarose gel electrophoresis and visuslized by UV light.

酶切产物经3％琼脂糖凝胶电泳分离后，紫外灯下检测酶切结果。

7.Objective to study different thick agarose gel how to impact the DNA electrophoresis.

目的研究不同厚度的琼脂糖凝胶对电泳的影响。

8.Method:The DNA gradent bands were detected by agarose gel electrophoresis.

方法：用琼脂糖凝胶电泳法观察DNA的梯状条带。

9.To study proteinuria with agarose gel zone electrophoresis.

目的：运用琼脂糖凝胶区带电泳进行蛋白尿的分析。

10.The agarose gel was prepared at a concentration of 1.5% for optimal resolution of the bands.

为了最佳分辨带，琼脂糖凝胶的浓度准备为1.5%。

11.To visualize the DNA, we added a stain to the agarose gel after electrophoresis.

为了可视化DNA，我们在电泳后向琼脂糖凝胶中添加了染料。

12.In molecular biology, we often use agarose to separate DNA fragments during gel electrophoresis.

在分子生物学中，我们经常使用琼脂糖在凝胶电泳中分离DNA片段。

13.We chose a low-melting point agarose for our experiment to allow for easy recovery of the DNA.

我们选择了低熔点的琼脂糖进行实验，以便轻松回收DNA。

14.The size of the DNA fragments can be estimated by comparing them to a ladder run on the same agarose gel.

通过将DNA片段与在同一琼脂糖凝胶上运行的标准品进行比较，可以估算其大小。

作文

Agarose is a polysaccharide that is derived from agar, which is obtained from red algae. It is widely used in molecular biology laboratories for various applications, particularly in gel electrophoresis. This technique allows scientists to separate and analyze DNA, RNA, and proteins based on their size and charge. The unique properties of agarose make it an ideal medium for these processes. Unlike other gel materials, agarose provides a stable matrix that can be easily manipulated to achieve the desired gel concentration. This flexibility is crucial when researchers need to optimize conditions for their specific experiments.The use of agarose in gel electrophoresis involves preparing a gel by dissolving agarose powder in a buffer solution and then pouring it into a mold to solidify. Once the gel is set, samples containing nucleic acids or proteins are loaded into wells created in the gel. An electric current is then applied, causing the molecules to migrate through the gel. Smaller molecules move faster than larger ones, allowing for effective separation. After the run, the separated molecules can be visualized using staining techniques, enabling researchers to analyze their samples with precision.One of the significant advantages of using agarose is its ability to form gels of varying concentrations. Researchers can adjust the concentration of agarose to suit their specific needs, whether they are working with small fragments of DNA or larger ones. For instance, a lower concentration of agarose is suitable for separating large DNA fragments, while a higher concentration is better for smaller fragments. This versatility makes agarose a preferred choice among scientists.Moreover, agarose gels are also known for their low electroendosmosis, which minimizes the distortion of the bands during electrophoresis. This property ensures that the results obtained are reliable and reproducible, making agarose a staple in genetic research and diagnostics. Additionally, the gel is relatively easy to prepare and handle, which further enhances its appeal in laboratory settings.In summary, agarose is an essential component in modern molecular biology, particularly in the field of genetic research. Its unique properties allow for efficient separation and analysis of biomolecules, making it indispensable for scientists worldwide. As research continues to advance, the applications of agarose will likely expand, leading to new discoveries and innovations in the life sciences. Understanding the role of agarose not only highlights its significance in scientific research but also emphasizes the importance of materials in facilitating groundbreaking work in genetics and molecular biology. Therefore, mastering the use of agarose is crucial for any aspiring scientist in the field.

琼脂糖是一种多糖，来源于琼脂，琼脂是从红藻中提取的。它在分子生物学实验室中被广泛使用，特别是在凝胶电泳等各种应用中。这项技术使科学家能够根据分子大小和电荷分离和分析DNA、RNA和蛋白质。琼脂糖的独特性质使其成为这些过程的理想介质。与其他凝胶材料不同，琼脂糖提供了一个稳定的基质，可以轻松操作以实现所需的凝胶浓度。这种灵活性在研究人员需要优化特定实验条件时至关重要。在凝胶电泳中使用琼脂糖涉及通过将琼脂糖粉末溶解在缓冲液中来制备凝胶，然后将其倒入模具中固化。一旦凝胶凝固，含有核酸或蛋白质的样品就会被加载到凝胶中创建的孔中。然后施加电流，导致分子在凝胶中迁移。较小的分子移动得比较大的分子快，从而实现有效分离。运行结束后，可以使用染色技术可视化分离的分子，使研究人员能够精确分析样品。使用琼脂糖的一个显著优势是它能够形成不同浓度的凝胶。研究人员可以根据具体需求调整琼脂糖的浓度，无论是处理小片段DNA还是较大片段。例如，较低浓度的琼脂糖适合分离较大的DNA片段，而较高浓度则更适合较小片段。这种多功能性使得琼脂糖成为科学家的首选。此外，琼脂糖凝胶还以其低电渗透性而闻名，这最小化了在电泳过程中带的失真。这一特性确保获得的结果可靠且可重复，使得琼脂糖在遗传研究和诊断中成为必不可少的材料。此外，凝胶相对容易准备和处理，这进一步增强了其在实验室环境中的吸引力。总之，琼脂糖是现代分子生物学中的一个重要组成部分，特别是在遗传研究领域。其独特的性质使得生物分子的高效分离和分析成为可能，使其在全球科学家中不可或缺。随着研究的不断推进，琼脂糖的应用可能会扩展，导致生命科学领域的新发现和创新。理解琼脂糖的作用不仅突显了其在科学研究中的重要性，还强调了材料在促进基因组学和分子生物学突破性工作中的重要性。因此，掌握琼脂糖的使用对于任何希望在该领域发展的科学家来说都是至关重要的。