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 batch-specific certificates for the new purity grades available in the internet?

Yes, the batch-specific purity grades can be downloaded at our 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.

Can the lid of the Standard Micro Test Tube 3810X be pierced as easily as that of the Safe-Lock micro test tube?

No. It is more easy to pierce a Safe-Lock Tube because of the thin membrane in the middle of the lid.

What is the life expectancy of Eppendorf Tubes?

At least 5 years at a storage temperature of +5 to +35 °C. If unopened and properly stored Eppendorf Tubes have shelf-life of 8 Years (standard Eppendorf Quality) or 5 Years on a purity grade (Biopur, PCRclean, Sterile, Forensic DNA Grade, ). Please observe " Instruction for Use" for storage condition recommendations: - Instruction for Use (IFU) of Tubes - Conical tubes, SafeCode tubes and SnapTec tubes - Instruction for Use of 5 mL Tubes - Instruction für Use of LoBind Tubes

From what material are Eppendorf Tubes manufactured?

All Eppendorf Tubes are manufactured from virgin polypropylene. The used polypropylene (PP) fulfils the specifications of the FDA for the use of plastics for foodstuffs. During production, no slip agents, biocides, or plasticizers are used. Colorants are free of biological material, free of heavy metals, and free of melamine. No metal-based dyes are used. Please see General Quality Certificate for epT.I.P.S, Combitips ® advanced, ViscoTip, Tubes, Plates, UVette.

Do you offer siliconized micro test tubes?

Our tube assortment does not include coated or siliconized tubes. In order to keep sample loss caused by the adsorption of sample material on the tube wall to a minimum, we recommend using the Eppendorf Protein LoBind Tubes or Eppendorf DNA LoBind Tubes. These are made of a special type of polypropylene and are manufactured under optimized process conditions.

Is there a chemical resistance overview for the individual Tube types?

Yes. The Eppendorf Application Note 056 "The Best Material for Original Eppendorf Tubes ® and Plates: Properties and Chemical Resistance of Polypropylene" includes among other things a detailed material stability overview.

Can Eppendorf micro test tubes be sterilized with ethylene oxide?

Yes, this is possible. Please note that the micro test tubes have to be taken out of the packaging for sterilization. In addition, please note that some ethylene oxide will remain in the material after sterilization.

Can your micro test tubes be frozen at -80 °C?

Yes. Please refer to the operating manual.

Can your micro test tubes be coated with acrylic resin within the framework of a UV polymerization?

Yes, the tubes can withstand UV polymerization. However, we cannot give you any instructions for the procedure.

Can autoclaving inactivate bacterial endotoxin contamination in Eppendorf Tubes?

No. Bacterial endotoxins (lipopolysaccharide, LPS) are very stable and withstand normal autoclaving at 121 °C. To inactivate LPS, the objects have to be baked at 250 °C, which, of course, is not possible with plastics.

Are the Eppendorf Tubes anti-static?

Eppendorf tubes, including SafeCode tubes and all biobased tube variants, are not produced from antistatic material, i.e. they are basically not antistatic. But it should be noted that the use of antistatic agents during production will destroy or reduce the wettability of the tubes.

Which Eppendorf micro test tubes are free of DNA?

All micro test tubes designated with "PCR clean" are free of human DNA, DNase, RNase and PCR inhibitors. Our Safe-Lock micro test tubes are also available in the "Eppendorf Biopur" purity standard. Due to the special manufacturing processes and the individual blister-packaging, Biopur products are certified "DNA free".

How do you define the temperature entry "RT", for example, as a storage condition for your micro test tubes?

Definition of RT (room temperature): +15 to +25 °C.

What is the best way to label Eppendorf micro test tubes?

The micro test tube should be clean and free from grease and only labeled on the space provided. Water-resistant felt pens from Steadtler S and F, in black, are the most suitable for this. The writing should be left to dry for at least 2 min.

Do Eppendorf Tubes contain heavy metals?

Heavy metal values are available in the general "Certificate of Quality - Tubes - Trace metal". All the values are below the prescribed limits of the listed DIN norm.

Overview regarding the centrifugation resistance of Eppendorf Tubes

Safe-Lock 0.5 mL: 30,000 xg / Biopur 22,000 xg / DNA LoBind 30,000 xg / Protein LoBind 18,000 xg Safe-Lock 1.5 mL: 30,000 xg / Biopur 22,000 xg / DNA LoBind 30,000 xg / Protein LoBind 18,000 xg Safe-Lock 2.0 mL: 25,000 xg / Biopur 22,000 xg / DNA LoBind 25,000 xg / Protein LoBind 18,000 xg 3810X: 30,000 xg 3810: 25,000 xg When using form-fitting adapters and filling the tubes with their nominal volume, centrifugation of the Tubes at 25 °C for 30 min at up to 70,000 x g (RT) is possible. Tubes can be centrifuged in a 45°-fixed-angle rotor at 40 °C sample temperature and 90 min with aqueous saline solution (density 1.0 g/mL) up to the above g-forces. The centrifugation resistance depends on the temperature and will be lower at sample temperatures of > 40 °C. Liquids with a higher density or affect the stability of the tubes (organic solvents, acids) may reduce the mechanical resilience of the tubes. Please always consult the "Instruction for Use" of the respective Tube: - Instruction for Use of Tubes - Instruction for Use of Conical tubes, SafeCode tubes and SnapTec tubes - Instruction for Use of 5 mL Tubes - Instruction fpr Use of LoBind Tubes

Are the Eppendorf tubes autoclavable?

Yes, all Eppendorf tubes are autoclavable when open (20 min, 121 °C, 1 bar).

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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Eppendorf Tubes^® 3810X - Microtubo

Colorless Flex-Tube® microtube with easy-open lid

Eppendorf Tubes® 3810X microtube in blue with easy-open lid

Flex-Tube® microtube in green with easy-open lid

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O design de fácil abertura e fechamento dos Eppendorf Tubes^® 3810Xpermite o uso com uma mão cômodo, ergonômico e confiável. Preparação, centrifugação ou armazenamento de amostras, o Eppendorf Tubes^® 3810X adapta-se perfeitamente aos seus fluxos de trabalho!

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A fácil abertura e fechamento seguro, Eppendorf Tubes^® 3810X oferece conforto e confiabilidade na preparação, centrifugação e armazenamento de amostras. Um tubo para todas as aplicações na biologia molecular, química clínica e bioquímica.
Mais seguros que nunca: Eppendorf Tubes^® 3810X são projetados para a centrifugação até 30.000 x g!

O melhor material!

Consumíveis Eppendorf incl. o Eppendorf Tubes^® 3810X são fabricados exclusivamente de alta qualidade, polipropileno ultrapuro, que está de acordo com as diretivas FDA 21 CFR § 177.1520 »Olefin Polymers«, e 21 CFR § 178.2010 »Antioxidants and Stabilizers for Polymers«. Existem verificações de qualidade antes e durante a produção. Além disso, é verificada a funcionalidade do produto final. Os testes de funcionalidade para tubos incluem a segurança de fechamento da tampa em água fervida, a estabilidade da centrifugação e estanquicidade do vapor. Esses controles e testes de qualidade asseguram a alta qualidade do produto durante a fase completa de produção – lote por lote. Consulte a NOTA de APLICAÇÃO nº.056 para mais detalhes: O melhor material para Eppendorf Tubes^® e placas originais:Propriedades e resistência química de polipropileno

Máxima integridade da amostra!

Fabricado sem o uso de agentes deslizantes, plastificantes e biocidas – substâncias que têm sido provadas migrarem de consumíveis plásticos para a amostra e afetar negativamente os resultados ou medições de bio–ensaios, por e.x quantificação de ácido nucleico através de medições fotométricas a 260 nm.

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Eppendorf Tubes® 3810X - Microtubo

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