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How should we mount the slide on the microscope
Microscope is an important tool we use to observe the microscopic world, we need “objects” mounted on the slide, so that we can observe the wonderful microscopic world.Next, we will discuss the different types of microscope slides and slide mounting techniques.1.Type of slide1.1Common plain glass sl...Read more -
How do STERILE urine samples be collected
If you need to submit urine for testing, it is very important that your sample is sterile so that your test results are accurate. Fortunately, the process is very simple. Before collecting a sample, you should first clean your genital area with a sterile cloth and then use a sterile cup to collect u...Read more -
Laboratory glassware main use and the matters needing attention
Laboratory glassware main use and the matters needing attentionNameThe main purposePrecautions for UseBeakerTo prepare solutions, dissolve samples, etcWhen heating, should be placed on asbestos net, make its be heated evenly, cannot burn dry commonlyConical flaskThe sample was heated and titrated by...Read more -
Effect of sample and cover glass on fluorescence
In the confocal laser experiment, a very thin cover glass is needed to carry the sample, the thickness of which is about 120μm to 170μm. The closeness between the sample and the cover glass will directly affect the fluorescence observation of the sample, and sometimes it will produce false appearanc...Read more -
How to select cover glass for the highest objective resolution?
How to select cover glass for the highest objective resolution?In the laboratory, high numerical aperture (high magnification) objective lenses are most effective, while low numerical aperture objective lenses are rarely effective.Why is cover slide thickness importantMost microscope objectives are ...Read more -
Preparation of microscope slide strains for yeast detection
Preparation of microscope slide strains for yeast detectionPlace 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 soluti...Read more -
Does the lab look messy? Medicines and equipment should be arranged like this
The laboratory often has a lot of drugs, instruments and so on. A lot of these things, it is easy to make the laboratory appear crowded and messy. Laboratory once mess up, it will have an effect on the experiment, how to deal with this problem today, HUIDA will tell you a few tips to ~Chemistry LABS...Read more -
The counting and culturing procedures for colony counting
Dilution of sample Culture and counting Results and ReportsDilution of sampleSolid and semisolid samplesWeigh 25g into a sterile homogenizing cup containing 225 mL phosphate buffer or normal saline and homogenize at 8000 r/min to 10000 r/min for 1min to 2min, or put it into a sterile homogenizing ba...Read more -
Laboratory chemical analysis instrument operation skills summary (3)
E.Pipette, volumetric flask and buret1. PipetteA pipette is used to measure a certain volume of solution accurately. It is a glass tube with an enlarged part (called the ball) in the middle and a line marked on the upper part of the neck. The line is calibrated according to the volume released. Ther...Read more -
Laboratory chemical analysis instrument operation skills summary (2)
Laboratory chemical analysis instrument operation skills summary (2)D.Solution and precipitation separationSolution and precipitation can be separated by three methods: decanting, filtration and centrifugation.1. The decanting methodWhen the density of precipitation or crystallization of larger part...Read more -
Laboratory chemical analysis instrument operation skills summary! (1)
Laboratory chemical analysis instrument operation skills summary! (1)Daily laboratory operation skills, hope to give you help!A.Glass instrument washingWashing methods are summarized as follows:1. Scrub with water:It can wash the soluble material and make the dust attached to the instrument elute do...Read more -
Inoculation, culture, isolation, purification, identification and preservation of microorganisms
Inoculation, culture, isolation, purification, identification and preservation of microorganismsInoculationThe 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 tools1. Inocula...Read more
