Are Eppendorf products free of RNA?

All products certified with "PCR clean" are tested free of human DNA, DNase, RNase and PCR inhibitors. The following applies from our point of view: Where no human DNA is detected, there can also be no RNA, which is considerably more unstable.

What is the meaning of the PCR Clean seal?

For molecular-biological requirements Eppendorf offers a new standard for uniform purity specifications. All consumables marked with the "Certified PCR Clean” label are guaranteed free of human DNA, DNase, RNase and PCR inhibitors.

Why are there double labels on the folding boxes, as "PCR clean" + "Sterile" or "PCR clean" + "Protein-free"?

Due to the modularization of purity grades, some products are labeled with more than one purity grade symbol. For example, the epDualfilter T.I.P.S. has the double seal "PCR clean "+ "Sterile" and the UVette the double seal "PCR clean" + "Protein-free" on the packing. The certification remains unaffected by the modularization.

Are lot specific certificates for the purity grades available in the internet?

Yes, the lot specific purity certificates, so-called Test report, can be downloaded at the certificates homepage .

Can products of the previous and new modular purity grades (with new seals) be used simultaneously in one application?

Yes, if no batch attachment is required for the application, products of the old and new modular purity grades can be used, as their specifications are the same.

Are Eppendorf tubes and plates (also LoBind variants) resistant to 100% acetonitrile?

Eppendorf tubes and plates including LoBind variants are resistant against 100% acetonitrile only in room temperature conditions. Above 40°C and prolonged exposure (days) may lead to partial damage and is not recommended. For lower acetonitrile concentrations the resistance parameters will be better so prolonged exposure and higher temperatures may be possible. This must be however tested by the customer.

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Protein LoBind^® Plates

Eppendorf LoBind® plate in deep well format

MALDI-TOF mass spectrometry performed with peptides stored in Protein LoBind and standard tubes

Sample being pipetted from elongated ep T.I.P.S.® to Eppendorf LoBind® deepwell plate

Barcoded Eppendorf LoBind® plate in deep well format

Eppendorf Protein LoBind Plates are designed with protein in mind. For troublesome samples where protein concentrations are low, the Eppendorf LoBind plates ensure maximal sample recovery - protecting enzyme activity and facilitating downstream analysis.

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You will find additional download material at the bottom of this page

Maximize your protein sample recovery with Eppendorf Protein LoBind Plates! Eppendorf LoBind plates are designed with a special, two-component polymer mix, creating a hydrophilic surface to ensure optimal sample recovery rates. These plates are specially developed for protein research or sensitive proteomic test methods, providing superior results by reducing sample binding to the plate surface.

High-quality Eppendorf Protein LoBind

products

Available in a variety of formats including tubes, microplates and deep well plates to meet the different application needs for various sample volumes and throughput.

Superior protein recovery

Eppendorf LoBind^® Tubes for protein recover significantly more protein compared to other low binding tubes after incubation for 96 h. (See Application Note 180 for more details).

Outstanding signal during MALDI-TOF analysis with Protein LoBind^® Tubes

Protein LoBind^® Tubes help to increase signal intensity during MALDI-TOF analysis, allowing you to detect and analyze at concentrations normally considered undetectable (1 pmol) when compared to standard tubes. In these graphs, the arrows identify the signals in each experiment. (Source: Dr. S. Seeber and Dr. Humeny, Institute of Biochemistry, University of Erlangen-Nürnberg, Germany, see Application Note 180 for more details).

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Downloads: Protein LoBind^® Plates

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Eppendorf Purity Grades Selection Guide

Quality – Stability – Purity: Eppendorf Plates^®

PDF 4.7MB

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Eppendorf twin.tec^® PCR Plates LoBind^®

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Protein LoBind^® Tubes

Maximize protein recovery with Protein LoBind^® Tubes

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Protein LoBind® Plates

Partial view of Eppendorf LoBind® plate

Eppendorf LoBind® plate in deep well format

MALDI-TOF graph depicting signal intensity at 1 pmol and 10 pmol Angiotensin I using protein LoBind tubes.

epT.I.P.S.® L elongated pipette tips in use to fill a Deepwell plate

Barcoded Eppendorf LoBind® plate in deep well format

Eppendorf LoBind® - How it works

High-quality Eppendorf Protein LoBind

products

Superior protein recovery

Outstanding signal during MALDI-TOF analysis with Protein LoBind® Tubes

Downloads: Protein LoBind® Plates

Protein LoBind^® Plates

Outstanding signal during MALDI-TOF analysis with Protein LoBind^® Tubes

Downloads: Protein LoBind^® Plates