conditioned medium

/kənˈdɪʃənd ˈmidiəm/

noun

1. Meaning: A liquid or gel-like substance that has been treated or modified to contain specific growth factors, nutrients, and other factors that support the growth and survival of cells in a laboratory setting.

2. Pronunciation: kuh n-dish-uh nd mee-dee-uh m

3. Usage: Conditioned medium is commonly used in cell culture experiments to provide an optimal environment for the growth and development of cells.

4. Example sentences:

1) The research team added conditioned medium to the culture dish to promote the growth of stem cells.

研究团队向培养皿中加入了调制培养基，以促进干细胞的生长。

2) The scientists found that adding conditioned medium from healthy cells improved the survival rate of cancer cells in their experiments.

科学家们，向实验中加入健康细胞的调制培养基可以提高癌细胞的存活率。

3) The use of conditioned medium has revolutionized the field of cell culture, allowing researchers to study cellular processes and diseases more accurately.

调制培养基的使用改变了细胞培养领域，使得研究人员能更准确地研究细胞过程和疾病。

4) The production of conditioned medium involves carefully controlling the nutrient levels, pH, and temperature to create an ideal environment for cell growth.

生产调制培养基需要精确营养物质水平、pH值和温度，以创建细胞生长的理想环境。

5) The researchers used a combination of conditioned medium and growth factors to successfully culture human liver cells in the lab.

研究人员使用调制培养基和生长因子的组合成功地在实验室中培养了人类肝细胞。

5. Synonyms and usage:

- Culture medium: a substance that provides an environment for the growth of microorganisms or cells.

Example: The bacteria were grown in a culture medium containing glucose and amino acids.

- Nutrient-rich medium: a type of culture medium that contains high levels of nutrients to support cell growth.

Example: The scientists used a nutrient-rich medium to grow the cancer cells in the lab.

- Serum-free medium: a type of culture medium that does not contain animal serum, often used for specific cell types or experiments.

Example: The researchers switched to a serum-free medium to avoid potential contamination in their cell cultures.

6. Editor's summary:

Conditioned medium is an essential component in cell culture experiments, providing an optimal environment for the growth and development of cells. Its production involves carefully controlling nutrient levels, pH, and temperature, and it has revolutionized the field of cell culture. Other terms such as culture medium, nutrient-rich medium, and serum-free medium are often used interchangeably with conditioned medium.