-
Preparation of microscope slide strains for yeast detection Place a round piece of filter paper at the bottom of the petri dish plastic disposable and place a U-shaped glass rod on top of it with two clean microscope slides lab. After sterilization, a few milliliters of sterilized 20% peroxide so...Read more »
-
The counting and culturing procedures for colony counting Dilution of sample Culture and counting Results and Reports Dilution of sample Solid and semisolid samples Weigh 25g into a sterile homogenizing cup containing 225 mL phosphate buffer or normal saline and homogenize at 8000 r/min to 10...Read more »
-
Inoculation, culture, isolation, purification, identification and preservation of microorganisms Inoculation The process of attaching a microorganism to an artificial medium or to a living organism suitable for its growth and propagation is called inoculation. Inoculation and separation tools 1. ...Read more »
-
Summary of microbe sampling, sample preparation techniques and dilution, inoculation and culture methods!(1) 1.Sampling preparation 1.1. When sampling, the sample must be representative of the product. Frozen samples retrieved from the workshop should be thawed as required, dry food can be placed...Read more »
-
Distracted by these “little troubles” in the laboratory? Look here, there are good ideas! In the laboratory, in addition to the first problem “washing the bottle”, everyone often encounters some large and small problems, such as the bottle stopper sticking and not opening,...Read more »
-
To grow cells, you also need to pay attention to these details!(2) Selection of cryopreservation medium The freezing medium must be selected when freezing cells. The freezing medium should contain cryoprotectants such as DMSO or glycerol. It is also possible to use specially formulated complete...Read more »
-
To grow cells, you also need to pay attention to these details!(1) Cell regeneration is a heart-stirring thing. You have to treat it as carefully as a child. Take care of her and take care of her. If you pay attention to these issues when you take care of it, your cells will grow better. Let...Read more »
-
The precautions for the use of centrifuge tubes, have you done it right? 1. The centrifuge tube should be heated evenly when heated, otherwise it will bump or the test tube will burst; the centrifuge tube cannot be quenched after heating, otherwise it may break. 2. The centrifuge tube should be p...Read more »
-
What do we need to pay attention to when using the embedding cassette? The definition of embedding: is the process of wrapping the tissues that need to be embedded with an embedding agent to provide performance support or chemical protection. The key to embedding is leveling and orientation, an...Read more »
-
The latest express of tissue block paraffin embedding technology The quality of pathological slices directly affects the judgment and treatment of the disease. Every aspect of the slice making process is very important, including good tissue fixation, tissue processing, staining and mounting. Reg...Read more »
-
Why does cytology always have no diagnostic information? Talk about methods and details Fine needle aspiration, imprint smear, and cytological examination of coelomic exudate can provide important information and often help determine the success or failure of a case. Cytology is a popular diagnos...Read more »
-
Why is the centrifuge tube called the ep tube? Origin of the name In 1963, the world’s first eppendorf microcentrifuge tube was born in the German eppendorf company, providing a new tool for molecular biology micromanipulation experiments. Today eppendorf (ep tube) has become a special name...Read more »