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
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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.
Extracellular matrix (ECM) preparation experiments
Experiments in the preparation of extracellular matrix can be used to (1) study the constituents of the extracellular matrix as well as its physiological charac
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.
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
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
Fluorescein in situ hybridization for detection of chromosomal aberrations and aneuploidies caused by environmental toxins
Many chemical agents and ionic radiation of different nature can cause damage to chromosome integrity, resulting in abnormal chromosome distribution in mitosis
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
High-throughput holistic in situ hybridization for the detection of environmental disturbances in zebrafish (Danio rerio), an embryonic tissue-specific gene expression alteration experiment
Holistic in situ hybridization is a process that allows observation of cellular gene expression (mRNA) in intact organisms. By comparing differences in gene exp