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The structure, principle and type of filter centrifuge
Time of Update: 2022-08-30
Filter centrifuge principle:It is to use the principle of centrifugal force to separate two materials with different densities or solid-liquid mixtures to obtain the desired materials .
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Protocol for the determination of bacterial endotoxin content using a chromogenic matrix method
Time of Update: 2022-08-30
As long as the absorbance value of the tested sample is compared with the standard curve, the amount of endotoxin contained in the sample can be known .
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Monitoring plan for drinking water quality during flood season
Time of Update: 2022-08-30
After the water is polluted, in addition to chemical elements exceeding the standard, microbial indicators such as Escherichia coli and the total number of bacterial colonies will also exceed the normal range, so water quality testing is particularly important .
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Interfering factors in bacterial endotoxin testing by gel method
Time of Update: 2022-08-30
When testing these samples for bacterial endotoxin, the pH buffering capacity of the Limulus reagent is not enough to make the reaction medium.
When testing these samples for bacterial endotoxin, the pH buffering capacity of the Limulus reagent is not enough to make the reaction medium.
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How a pipette works and how to use it
Time of Update: 2022-08-30
Working principle: The design of commonly used clinical micropipettes is based on Hooke's law: that is, the length of the spring extension is proportional to the elastic force within a certain limit, that is, the volume of liquid in the pipette is proportional to the elastic force of the spring in the pipette.
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Lecture Invitation Letter: BIOLOGICS BY DESIGN AISA 2022
Time of Update: 2022-08-30
Meeting schedule: Time: July 28 (Thursday) Meeting details:Meeting details:"BIOLOGICS BY DESIGN AISA 2022" focuses on biopharmaceutical design and will be held online for free on July 28, 2022, Beijing time .
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The role of trypsin in cell digestion and its application in different fields
Time of Update: 2022-08-30
Small-scale cell harvesting can be done using pipetting or cell scrapersFor the formation of protein tight junctions, trypsin can be usedCells that can express cadherin such as epithelial cells need to add chelating agents such as EDTA on the basis of enzymatic digestionTo maintain cell viability, digestion reaction conditions should match the intensity of cell contact .
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Introduction to the routine culture method of passaged cells
Time of Update: 2022-08-30
01 Passaging CriteriaThe passage time is generally determined by two aspects: first, during the cell culture process, when the culture medium turns yellow due to the drop of pH value, it indicates that the cells have reached the maximum density, and the medium needs to be changed or subcultured; the second is to observe the cell morphology.
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Romantic Tanabata, Jiete is polite!
Time of Update: 2022-08-30
This Chinese Valentine's Day, Jette will create a hot bonus for you!
This Chinese Valentine's Day, Jette will create a hot bonus for you!
This Chinese Valentine's Day, Jette will create a hot bonus for you!
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INTEGRA D-ONE Single-Channel Pipetting Module Now Available in ASSIST PLUS
Time of Update: 2022-08-30
ASSIST PLUS and D-ONE – further escaping daily pipetting constraints ASSIST PLUS pipetting workstation VIAFLOVOYAGER ASSIST PLUS Pipetting Station with D-ONE Single Channel Pipetting Module D-ONE modu
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Qingke Bio's "Gene Factory" Promotes the Industrialization of Synthetic Biology
Time of Update: 2022-08-30
Project cooperation signing At the summit, Qingke Bio and the Jintan Economic and Technological Development Zone Management Committee signed the "Strategic Agreement for the Synthetic Biology Industrial Base of Qingke Biotechnology", which will further leverage the advantages of Qingke Bio's gene synthesis enabling technology and build gene synthesis in the future.
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Rat collagen Ⅳ (Col Ⅳ) enzyme-linked immunosorbent assay kit using method and precautions
Time of Update: 2022-08-30
Distilled or deionized water Reagent preparation:The kit should be equilibrated at room temperature after being removed from refrigeration before use .
Distilled or deionized water Reagent preparation:The kit should be equilibrated at room temperature after being removed from refrigeration before use .
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New upgrade of HOLVES Cla210 series laboratory fermenter
Time of Update: 2022-08-30
Function: Exclusive product advantage S-485 communication control mode: precise control of the amount of liquid pumped by the peristaltic pump, reducing errors, comprehensive control of the experiment, dedicated communication bus connection, high communication effect and high copying success rate, the system runs more stably .
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CAR-NK Chapter of Variety Cell Therapy: Why CAR-NK Cells Are Emerging
Time of Update: 2022-08-30
In order to overcome these defects of CAR-T cells, many researchers are currently trying different methods, such as performing minor operations on T cells, knocking out TCR and CD52 on their surface and other components that limit their application scenarios (avoiding GVHD), Realize industrial production and widen its application range (for allogeneic treatment).
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ProteinSimple official website relocation notice
Time of Update: 2022-08-30
ProteinSimple is an industry-leading protein analysis brand under Bio-Techne Group (NASDAQ: TECH), a NASDAQ-listed company .
ProteinSimple is an industry-leading protein analysis brand under Bio-Techne Group (NASDAQ: TECH), a NASDAQ-listed company .
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Introduction of primary antibody and secondary antibody type, specificity and selection method in experiment
Time of Update: 2022-08-30
Which class or subclass does the primary antibody belong to Fragment specificity: 3.
Which class or subclass does the primary antibody belong to Fragment specificity: 3.
Which class or subclass does the primary antibody belong to Fragment specificity: 3.
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Boda Boju School Season Promotional Activities: Free Cell Counting Tablets for Buying Products and Instruments
Time of Update: 2022-08-30
Boda Boju-School Season #-BodBoge-# In order to thank and give back to the vast number of new and old customers , Boda Boju launched a big promotion for the opening of the school Event time August 22, 2022 - September 28, 2022 Event contentDuring the event, buy Boda Boju-Instrument products and get free cell counting slides .
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Lecture: 2022 MOE Small Molecule Drug Design Special Training
Time of Update: 2022-08-30
Q&A and discussion The second day of the course schedule 09:00-10:30 Ligand-Based Drug Design: SAR Analysis (Part I) - Preparation of Small Molecule Library - Descriptor Calculation and QSAR Model Construction - Result Analysis 10:30-10:45
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Application of Limulus Test Method in Food Hygiene Monitoring
Time of Update: 2022-08-30
2. Eggs and egg productsThe spoilage of eggs is also mainly caused by Gram-negative bacteria, so spoiled eggs and egg products contain high levels of endotoxin.
2. Eggs and egg productsThe spoilage of eggs is also mainly caused by Gram-negative bacteria, so spoiled eggs and egg products contain high levels of endotoxin.
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Introduction to the detailed steps of primer design in qPCR experiments
Time of Update: 2022-08-30
When designing qPCR primers, the following points are usually kept in mind: Primers should be designed to span introns as much as possible Product length 100-300 bp The TM value should be as close as possible to 60°C and the upstream and downstream primers should be as close as possible Primer ends are preferably G or C So many points to pay attention to how to do?
