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The mouse must be fixed and the tail cannot be moved during the injection. I fixed it with a mouse holder, and then another person gently tightened the bottom of the tail with his fingers...
2020-08-13The blood-brain barrier is composed of the pia mater, the capillary wall of the choroid plexus and the glial membrane formed by the glial cells outside the wall. It acts as a natural barrier and can block pathogenic microorganisms and toxic products,...
2020-08-13RNA is a very important biological macromolecule in the process of gene expression in life activities, such as mRNA, which carries all the coding information of DNA...
2020-08-13The Sloan-Kettering Institute and other researchers in the United States created the pluripotent stem cell genome editing platform iCRISPR...
2020-08-13Formaldehyde should be used to infuse the fresh liver of experimental mice. Formaldehyde can fix general tissues, but dissolve glycogen and pigment....
2020-08-13Learn how to dissect laboratory mice and understand the common features of mammals and rodents...
2020-08-13Animal models of pancreatitis are the best way to study the etiology of pancreatitis and explore clinical treatment methods...
2020-08-13Scientists have discovered that a mouse model of miRNAs gene knockout can be obtained through TALEN technology, successfully solving the problem of small genes (such as miRNAs) and gene knockout containing repetitive sequences that were difficult to ...
2020-08-13Mice is an important model animal in the research of developmental biology and reproductive biology. Its embryo transfer technology is an important link in the research of in vitro fertilization, chimerism, transgene, cloning and embryo freezing seed...
2020-08-13In the past 20 years, research scientists have been looking for more accurate non-invasive methods for measuring blood pressure in experimental mice. More accurate non-invasive methods to measure rodent systolic blood pressure, diastolic blood pressu...
2020-08-13Prepare materials and solutions in advance to repair and prepare necessary equipment, and pre-cool them in a refrigerator at 4°C. The trachea and ophthalmic lenses are either quickly rinsed with normal saline or separated, and then directly placed in...
2020-08-13Adult hybrid pigs, aged 12 months, weighing about 150 kg, are slaughtered from the pigs and blood is collected, the pancreas is quickly taken out under relatively sterile conditions, and stored in Hanks’ solution at 4°C In the laboratory. Sent to. Ti...
2020-08-13Sperm abnormalities in mice are genetically controlled and have high heritability...
2020-08-13Objective To explore the effect of hypothyroidism (hypothyroidism) on learning and memory of young rats (puppies)...
2020-08-13When viruses attack bacteria, they cause a defense response against DNA. Biologists use this mechanism to develop genetic engineering techniques....
2020-08-13Experimental principle Frogs or toads and other amphibians have the same basic life activities and physiological functions as warm-blooded animals, and the living conditions of their isolated tissues are easy to master...
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