The principle and application of fluorescence in situ hybridization technology
2023-07-11
In situ hybridization (ISH) refers to the technique of hybridizing target DNA or RNA sequences labeled with radioactive or non radioactive substances with chromosomal DNA to detect the position and...
The steps and principles of blue and white spot screening, and the reasons for the failure of the bl
2023-07-11
Blue and white spot screening is a method of recombinant screening, which is the second screening based on antibiotic screening and screening recombinants based on the genetic characteristics of th...
Plasmid vector, artificial modification of plasmid vector
2023-07-11
Plasmids are a type of covalent, closed, circular double stranded DNA molecules that naturally exist in bacterial and fungal cells and can replicate independently of chromosomal DNA, also known as ...