Experiments on collection and preparation of biological materials for laboratory animals
The study of the toxic effects of foreign compounds. It is often necessary to determine the concentrations of compounds or their metabolites in the blood, urine
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Handling of Petri dishes and plates
The manipulation of Petri plates is necessary for cell experiments such as (1) cell growth (2) cell propagation (3) cell inoculation.
Improvement of the Koch method of acute toxicity testing
1, study the design of acute toxicity test of chemicals, master the determination of LD50. 2. Observe the toxic reaction of phoxim.
Laboratory animal grouping, labeling, and dyeing experiments
The grouping, labeling and reasonable dyeing of experimental animals are the prerequisites for obtaining good experimental results and conclusions, and are also
Operating on an open workbench
Clean and wipe the work area, place the reagent bottles, pipette, etc., on the bench (Figure 6.5), and make preparations. If necessary. If necessary, flame ste
Restriction enzyme digestion labeling genome scanning for mutation detection experiments
Today, there is a need for more effective methods in the detection of mutations in humans and other organisms caused by environmental toxins and radiation expos
Experiments on optical recording techniques for culturing single neurons
Techniques for optically recording the course of activity of individual viable neurons must be considered in the light of two fundamental questions, namely, wha
Central nervous system culture techniques: hands-on experiments in chick embryo neuron culture
Establishing an accurate and reusable neuronal culture model in vitro is of self-evident importance for experimental research in neuroscience. Many research gro
Experimental purification of λ phage particles by precipitation/centrifugation
If the purpose of purification of the phage pellet is to obtain outgrown DNA fragments for subsequent subcloning or to prepare phage two-arms, centrifugation ca