Meaning in life among Chinese undergraduate students in the post-epidemic period: A qualitative interview study.

Background: COVID-19 epidemic has lasted for nearly 3 years, and revolutionized social life. In the study, in-depth interviews were conducted with Chinese undergraduate students to explore their understanding and experience of meaning in life. Meaning of life is interpreted from four aspects: life goals, life value, life enthusiasm, and life freedom.

[mRNA expression and methylation status of p15 promoter in mouse bone marrow cells exposed to 1,4-benzoquinone].

Objective: To detect the expression and the CpG island methylation status of tumor suppressor gene p15 after exposure to 1,4-benzoquinone (1,4-BQ) in primary cultivated C57BL/6J mouse bone marrow cells in vitro.

Methods: The mouse bone marrow cells were isolated in vitro. The effect of 0, 0.

[Effects of fertilizer application on contents of 2-undecanone and soluble carbonhydrate in Houttuynia cordata with different fertilizers].

Objective: To investigate the effect of five kinds of fertilizers at three application levels on the content of 2-undecanone and carbohydrate in Houttuynia cordata.

Method: A single factor randomized block design was used to investigate the content of 2-undecanone and carbohydrate in the plant.

Result: The results showed that the content of 2-undecanone was the highest both in aerial and underground parts of H.