Comparison of several chromosome preparation methods in sea perch Lateolabrax saponicus;

Objective: To investigate the method of chromosome preparation of tumor cells and bio-engineering cells mutated by outer space, and to analyze the abnormal changes of number and structure of chromosomes.

The effects of sucking different amounts of cytoplasm and with or without the first polarbody as indication during enucleation on the enucleation rate in the mouse oocyte were stud-ied by means of McGrath and Solter s technique for enucleation and a modified technique forchromosome preparation.

The preparation of chromosome is a frequent and an important technique in medical genetics.

The dyeing method and condition for Vat Pink R Powder on the cellulose fibre were studied.

The classification,dyeing method,application and progress of natural dyes are introduced.

Different staining methods for the enumeration of eosinophils in nasopharyngeal secretion in infants with wheezing;

Comparison of staining methods in evaluation of sperm morphology;

Comparison of sensitivities of four protein staining methods in common use in two-dimensional electrophoresis;