SERVA Electrophoresis
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50 years of experience in the supply of quality reagents at SERVA provides expertise in manufacture, development and distribution of products worldwide. This know-how is the platform for outstanding customer service - all you need to succeed. Our mission is to bring innovative products to the life sciences market, meeting our customers needs. Technical competence and total quality management are the basis for continuous improvement. We pursue the highest standards in product quality, workplace safety and responsibility for the environment we live in. We dedicate our capacity and integrity to guarantee consistent product performance and continuity of supply. We are certified for ISO 9001:2000.
Website : www.serva.de |
![Formaldehyde for histology](https://www.clinisciences.com/en/upload/thumbs/ihc-x9aax7-dbb4e6.png)
Formaldehyde for histology
Formaldehyde (CH2O) is the only gaseous aldehyde. It is dissolved in water with a saturation of 37 to 40%. This solution is generally referred to as "formaldehyde" or "formaldehyde solution". For this purpose, this concentrated solution is used by diluting it with water or buffer (usually 1/10), then 10% formalin solution, which in fact contains 4% formaldehyde, an ideal concentration for fixing. It is also possible to use paraformaldehyde which is in the form of a powder, this compound being the highly polymerized form of formaldehyde. Paraformaldehyde makes it possible to prepare very pure solutions of formaldehyde and is particularly recommended for electron microscopy.
Formaldehyde is a fast-penetrating, slow-fixing fixative that is best suited for large pieces of tissue. Formaldehyde is a chemical fixative that reacts with side chains of proteins to form hydroxymethyl groups. The effects of formaldehyde are reversible by excess water.
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