Stains

SERVA offers high quality dyes and staining kits for applications in botany, bacteriology, histology and cell culture.

Biological material is mainly composed of molecules containing atoms like carbon, hydrogen, oxygen, nitrogen, phosphor etc., which all have a low atomic weight and are therefore electron-transparent. In the electron microscope such untreated samples would yield a blurred image with low contrast. To increase contrast, samples have to be treated with salts of heavy metals which are able to scatter electrons.
See section Stains in Electron Microscopy for the most common contrasting reagents.



News

Market Square
September - December 2018

Hoefer Late Year Promotion 2018 -
20 % Discount!

Product of the Month November:
Mammalian Membrane Protein Extraction Kit

Certificates of Analysis
now online!

New !

SERVA Catalog
2018

Western Blotting -
New Brochure!

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Market Square
September - December 2018

Electrophoresis:

  • Nucleic Acid Electrophoresis
  • SDS-PAGE
  •  Horizontal Isoelectric Focusing (IEF)
  •  Western Blotting: Reagents & Equipment

Life Sciences:

  • Enzymes & Reagents for Mass Spectrometry
  • Detergents
  • Antibiotics
  • Protein Quantification
  • Protease- & Phosphatase-Inhibitors

→ This way to the new Market Square

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Hoefer Late Year Promotion 2018 -
20 % Discount!

Hoefer Late Year Promotion - valid until December 31st, 2018

— Mini Vertical Electrophoresis

— Standard Vertical Electrophoresis Units

— Tank Blotter

→ This way to the promotion

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Product of the Month November:
Mammalian Membrane Protein Extraction Kit

Fast, Easy and Gentle Protein Isolation

→ This way to the Special Offer

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Certificates of Analysis
now online!

How to find the required certificate of analysis for your product:
In the search, enter the 5-digit article number without additional packaging, i.e. 11404 if you are looking for the AZ for your 500 g-Pack Agarose 11404.02.
Now click on the search result and you will be taken to the product entry. Here you will find the link "Certificate of Analysis", which you follow.
Now select the lot number from the list and download the PDF with a click. Done.

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New !

SERVA Catalog
2018

In summary here is a short description of products made available for the research community in 2018:
• Protein extraction kits for rapid isolation of membrane, cytoplasmic and nuclear proteins from mammalian tissues and cells
• Cell-based assays for apoptosis and cell profliferation/viability like XTT or Sulforhodamine B
• Enzymes like recombinant PNGase F or Lysyl Endopeptidase • Ultrapure reagents for UHPLC-MS analysis like acetonitrile and water
• Biochemicals for nucleic acid purification like recombinant Proteinase K or BlueZol for RNA isolation
• Electrophoresis gel and blot documentation: SERVA Musketeer is an all-in-one solution for UV/VIS, fluorescence and chemiluminescence applications

Download our new catalog here:

 

SERVA Catalog 2018 (pdf)
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Western Blotting -
New Brochure!
  • • Molecular Weight Standards
  • • SDS PAGE for Western Blotting
  • • Transfer Membranes and Buffers
  • • Blocking Reagents
  • • Detection Systems
  • • Instruments for Western Blotting
SERVA Brochures: Western Blotting V1806 (pdf)
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