Microbiology Test
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  • 04
    09
    2020
    How do You Test for Microbes in Food?
    1. What is microbiological testing?Food microbiological testing refers to the determination of the quantity or the existence of a certain type of microorganism in a unit sample according to certain te...
  • 02
    09
    2020
    Requirements for Food Microbiological Testing Supplies
    1. Basic requirements of microbiological test laboratory The basic requirements of microbiological test laboratory are as follows:① The food microbiology exam laboratory requires a good surrounding ...
  • 30
    08
    2020
    The Scope and Indicator Setting of Food Microbiological Testing
    1. The scope of microbiological testing of food samplesThe scope of food microbiological testing includes the following aspects: ① The testing of the production environment, including workshop water,...
  • 27
    08
    2020
    Sterile Diluents Commonly Used in Experiment on Microbiology
    Most cells are suitable for growth in the pH range of 7.2-7.4, but different kinds of cells have different requirements for pH value, and the optimal pH value of the same cell at different growth stag...
  • 20
    07
    2020
    Microorganisms in Soil
    Soil microorganism is a mirror of soil ecological environment. By analyzing the relevant situation of soil microorganism, we can understand the soil and biological chain process that we live on.Soil m...
  • 17
    07
    2020
    Three Types of Medium in Microbiology Laboratory
    According to the nutrient composition of the medium, it can be divided into following types of medium in microbiology laboratory: basic medium, complete medium and supplementary medium,etc. Such terms are...
  • 14
    07
    2020
    Selection of Stool Culture Medium Plate
    Different from international“stool culture medium”, Chinese“stool culture medium” just refers to the culture of Salmonella and Shigella.Although Salmonella and Shigella may be isolated from stool ...
  • 11
    07
    2020
    Requirements for Sampling
    1) Before sampling, confirm whether the goods and certificates are consistent.2) In the process of sample collection in microbiology, adverse factors such as water and other environmental factors shou...
  • 08
    07
    2020
    A Detailed Description of Common Media and Their Basic Characteristics
    The RPMI-1640 Medium, being a recent popular one, is widely used in the culture of mammalian, special hematopoietic cells, leukocytes of normal or malignant hyperplasia and hybridoma cells. Its domina...
  • 05
    07
    2020
    A Brief Description of Media Types
    (1)The Basic MediumIt contains the essential nutrients needed for a basic growth. The frequent modal is meat infusion commonly known as broth, of which the major ingredients are the beef extract and t...
  • 02
    07
    2020
    The Sampling
    The microbiology sample test refers to the examination process of one or more representative samples, which are selected from a specified quantity of the products, by sensuous, microbiological, physic...
  • 29
    06
    2020
    An Introduction to Mediums
    In response to the needs of scientific research and production, the mediums used in microbiology is an artificial nutrient matrix (a mixed nutriment), which is favorable for the growth and the reprodu...
  • 26
    06
    2020
    The Preperation of Medium Used in Microbiology Lab
    1. The Beef Extract Peptone Medium ( for the bacterial culture )3g beef extract, 10g peptone, 5g NaCl and 1000ml water with a pH of 7.4 ~ 7.6.2. The Gao's No. 1 Medium ( for the actinomycetes cult...
  • 23
    06
    2020
    Preparation method of LB medium
    LB medium formula (per liter)yeast extract5g,Tryptone10g,sodium chloride10gNaOH adjusted the pH to 7.0121 ℃, and sterilized under high pressure for 20min.LB solid mediumLB medium 1LAgar powder15gNaOH...
  • 20
    06
    2020
    Preparative Technology of Medium in Microbiology Lab
    In the process of preparing medium in microbiology lab, some glassware should be used first, such as test tube, triangle bottle, culture dish, beaker and straw, etc. These utensils should be treated a...
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