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February 22, 2022

What is TC processing?

TC full name: Tissue culturetreated, TC treatment means that the vessel has undergone surface modification treatment and is suitable for the culture of adherent cells. Cells grown in suspension do not necessarily need such specially treated vessels. However, cell culture dishes after surface modification treatment are generally also suitable for culturing cells in suspension.

February 22, 2022

What is a cell culture dish and what are the cleaning steps

What is a cell culture dish A cell culture dish is a laboratory vessel for microbial or cell culture, consisting of a flat disc-shaped bottom and a lid, generally made of glass or plastic. It was originally designed in 1887 by a bacteriologist (Julius Richard Petri, 1852-1921) working under the German biologist Robert Koch, so it is also called "Petri dish". Petri dishes are fragile and brittle, so care and care should be taken when cleaning and handling. It is best to clean the used petri dish in time and store

February 22, 2022

Cell culture dish, how much do you know about cell culture?

A petri dish is a glass or plastic round vessel used to hold liquid culture medium or solid agar medium for cell culture. Petri dishes consist of a bottom and a lid. It is a chemical device used for culturing bacteria. Usually made of glass or plastic. Petri dishes are fragile and brittle, so care and care should be taken when cleaning and handling. It is best to clean the used petri dish in time and store it in a safe and fixed position to prevent damage and breakage.

February 18, 2022

Disposable nucleic acid detection VTM tube

1. The body and cap of VTM tubes are made of polypropylene, the screw opening can be closed, and the cap is a flat cap. 2. New tube cover color: 6-color tube cover (blue, red, yellow, purple, green and natural color), which is convenient for personalized identification and quicker and more convenient identification of different categories of reagents. 3. The tube body is transparent and

February 14, 2022

The nucleic acid test results will be out in 4 minutes!

Now that the new crown pneumonia epidemic has not ended, nucleic acid testing has become commonplace in order to travel normally. At present, the nucleic acid detection of the new coronavirus mainly uses nasopharyngeal swabs, using fluorescence quantitative PCR, that is, polymerase chain reaction (PCR) technology, and the detection time is usually 2-24 hours.

February 08, 2022

Conductive Pipette Tips (Classification, Advantages, Application, Function, Factory)

Classification of conductive pipette tips: Conductive pipette tips can be divided into conductive filter pipette tips and conductive tips without filter. Conductive filter pipette tips are commonly used to prevent pipette contamination and prevent sample cross-contamination. There is no need for domestic pipetting to prevent contamination. Ordinary conductive tips without filter elements can also be used. The conductive tips produced by Yongyue can match most of the HAMILTON, T

February 08, 2022

How to choose pipetting tips (universal filter tips, special tips)

Select pipette tips If you choose the wrong pipette tip type, the precision and accuracy of even the best calibrated pipettes can be wiped out. Depending on the experiment you're doing, the wrong type of tip can also make your pipette a source of contamination, waste valuable samples or reagents, or even physically harm you in the form of repetitive stress injury (RSI). There are many different types of prompts to choose from. How do you know which pipette is be

January 24, 2022

Pipette tip installation and use methods and precautions!

A complete pipetting cycle includes the steps of tip installation - volume setting - aspiration and dispensing - removal of tips. Every step has an operating specification that needs to be followed. 1. Pipette tip installation For single-channel pipettes, insert the end of the pipette vertically into the tip, and press it slightly to the left and right to tighten it; For multi-channel pipettes, align the first channel of the p

January 24, 2022

What is a pipette tip, what does a filter tip do?

Yongyue Medical Supply: Fluorescence quantitative PCR consumables, pipette tips, centrifuge tubes, cryopreservation tubes, cell culture dishes, culture plates, culture flasks, instruments and gloves, chromatography consumables, syringe filters, etc. The pipette is an indispensable experimental instrument in biological research, and the number of its accessories tips used in the experiment is also very large. Pipette tips on the market are basically made of polypropylene plastic (colorless and transparent plastic with hig

January 20, 2022

Main uses of deep well plates

The deep well plate is mainly made of polypropylene (PP), a polymer material, so it has good chemical compatibility and can be used for the storage of most polar organic solutions, acidic and alkaline solutions and other laboratory liquids. Tip combs can be used with deep-well plates for nucleic acid extraction on nuc

January 20, 2022

Do you know deep well plate?

1. What is a deep well plate? It is a relatively common consumable product in life science laboratories. On the basis of the appearance dimensions of ordinary microplates (mainly 96 and 384-well plates), deep-well plates keep the length and width in line with SBS international standards, and at the same time increase the depth of the holes, so as to achieve the purpose of increasing the volume of each well . And in order to adapt to its specific scope of use, on the one hand, b

January 10, 2022

PCR Plate product performance

PCR reaction plates are all made of polypropylene material to ensure low protein adsorption rate and low liquid loss. The polymerase chain reaction plates are all made of polypropylene material to ensure low protein adsorption rate and low liquid loss. In addition, a white PCR reaction plate is added to better match the fluorescent PCR experiment, and the bottom of the well is transparent for easy observation. In addition, a white PCR reaction plate is added to

January 05, 2022

Matters needing attention in operation of sterile inoculating loop

Bacteria inoculation inspection operation must strictly abide by the relevant systems and operating procedures, strengthen the concept of disinfection and sterility, so as to avoid accidents. The following points should be paid attention to when using the inoculation ring in the specific experimental operation: 1. Disposable inoculating loops must be used when observing the morphology of bacteria from the tested specimen or culture. The inoculation ring is made of a nickel resi

January 05, 2022

How to inoculate bacteria?

The basic conditions of bacteria isolation and culture include inoculation tools (Inoculating Loop And Needle), incubator, culture medium, sterile room and clean bench, etc. In order to isolate pathogenic bacteria from clinical specimens and identify them accurately, in addition to selecting a suitable culture medium, different inoculation methods should be adopted according to the source of the specimen to be tested, the purpose of cultivation and the characteristics of the culture medium used. Let's introduce how and how to inoculate bacteria.

January 05, 2022

Research and Application of Fluorescence Quantitative PCR

Principles of real-time PCR Fluorescence quantitative PCR (Real-time PCR) refers to the addition of fluorescent groups to the PCR amplification reaction system, through the real-time detection of the fluorescent signal of each cycle product in the amplification reaction, and finally the quantitative analysis of the unknown template through the standard curve Methods. Application of Fluorescence Quantitative PCR Molecular biolo

January 05, 2022

How to choose PCR consumables according to the experiment?

In PCR experiments, there are many factors that affect the amplification effect. We understand the quality and concentration of dNTPs, the amount and degree of purification of template nucleic acid, the design of primers, the concentration of DNA polymerase, and the length of amplification. In fact, the consumables used may also affect the results of the experiment, which is often overlooked by us. Therefore, before choosing experimental consumables, we also need to understand the characteristics and terminology related to PCR consumables.

December 25, 2021

How to choose the right cell culture plate?

The scale of laboratory cell culture is large or small. Generally, bioreactors can be used, culture plates (microplates), culture dishes, culture bottles, etc. can also be used. Nowadays, the cell culture mode using culture plates (microplates) is gaining popularity because it helps to study multiple dynamic variables, reduces experimental time, saves expensive reagents, and improves the safety and efficiency of experimental research Sex, helping 3D and organotypic cell culture and scientific research innovation.

December 17, 2021

Analysis of bacterial contamination in petri dishes

Contaminated bacteria are divided into self-contaminated culture medium and secondary contamination caused by improper unpacking operation. Therefore, laboratory personnel need to make a careful distinction before using the petri dish, and use it after inspection and confirmation. Cause Analysis: 1. The medium itself carries bacteria (mostly molds and colonies are usually inside or on the surface of the medium). The manufacturer's

December 17, 2021

How to use petri dishes and precautions

Petri dishes are commonly used microbes and cell culture vessels in the laboratory. In addition to conventional petri dishes, Yongyue Medical also provides a variety of specifications and types of petri dishes, including square petri dishes, round petri dishes, divided petri dishes, etc. To meet the different needs of customers for cell culture experiments.

December 10, 2021

Do you know cell culture dishes?

Petri dish is a kind of laboratory utensils used for microorganism or cell culture. It consists of a flat disc-shaped bottom and a lid, and is generally made of glass or plastic. The surface of the product is smooth and the transparency is high, which is convenient for observation and experiment. The materials of petri dishes are basically divided into two categories, mainly plastic and glass. Glass can be used for plant materials, microbial culture and adherent culture of anim

December 03, 2021

The maximum volume of the sampled DNA is determined by the volume of the sample hole

The maximum amount of DNA that can be added to the sample hole depends on the size and number of DNA fragments in the sample. If a 5mm wide strip contains more than 500ng of DNA, it means that the loading hole is overloaded, which will cause tailing, "smile effect" and blurring on both sides of the strip. If the length of DNA increases, the above phenomenon becomes more serious. When analyzing a single DNA sample (such as lambda phage or plasmid DNA), 100~500ng DNA can be added to each 5mm wide sample hole. If th

December 03, 2021

Summary of pipette basics

Pipettes achieve different accuracy and precision through a variety of designs, including simple pipettes made of a piece of glass, to complex adjustable or electronically controlled pipettes. The accuracy of the measurement varies greatly depending on the type. . Today, Sister Xiaoxi will have a good chat with everyone about pipettes. Pipettes, also known as "quantitative pipettes", "pipettes", and "pipettes" are experimental instruments designed to measure the volume of liquids and transfer them to other contai

November 25, 2021

Choose the right reservoir plate product

As we all know, using a multi-channel pipette can simplify your experimental workflow and improve reproducibility. However, to truly optimize efficiency, you also need to use a suitable reagent reservoir. Many Reservoir Plates have a high dead volume, even if they are used in the most cost-effective experiments, they will have an adverse effect on cost. Therefore, choosing the right storage tank product can help you save expensive reagents and reduce the waste of rare samples. Yongyue Medical`s Reservoir Plate pr

November 25, 2021

The role of saliva collection

The saliva collector is mainly suitable for the collection, transportation and storage of human oral saliva samples; it is mainly composed of a collector, a collection tube and a tube cover. The main purpose: The samples are mainly used for clinical in vitro diagnosis, and can also be used for DNA paternity testing, genetic disease risk monitoring, and collection of specimens for nucleic acid PCR detection of pathogenic microorganisms.

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