Where is it possible to find a list of certified analytical labs in EU?

More Vilma Petrikaite's questions See All

Column for purification of rat monoclonal antibody (kappa chain)?

I have 1L of hybridoma supernatant without serum from a rat monoclonal antibody. I would like to purify it using a binding affinity column for rat kappa chain. Could you please tell me where I...

29 November 2020 3,615 3 View

How to separate over expressed protein?

I have to identify the protein responsible for some activity in microbes and have seen over expressed band in native page. how can i purify it for protein sequencing.

21 October 2019 3,822 2 View

Which one is better: Matrigel or Geltrex?

Has anybody tried practically both substances: Matrigel and Geltrex? I found some literature in the Internet about the differences and similarities between those two substances. Maybe someone...

06 July 2018 1,496 3 View

Is this formulation suitable for the i.p. injection?

I made a formulation which includes 5% dextrose, 10% Cremophor EL and 10% Ethanol (aqueous solution, plus tested compound). It was used for oral administration of compound. Is this compositions...

15 December 2017 7,535 7 View

What is the best tissue clearing solution?

I want to make spheroids more clear for confocal imaging. What are the possible ways to clear them? Maybe somebody tried several different commercial solutions or home-made ones and could suggest...

04 October 2017 2,655 6 View

What is the height of cancer cells?

What is the height of cancer cells growing in 2D cultures? I am mostly interested in human pancreatic BxPC-3 and murine breast cancer 4T1 cells.

22 September 2017 2,169 2 View

How to show that ultrasound exists in the cel medium

We are applying ultrasound for live cells grown in multi-well dishes. There is no a noticeable effect on cell viability. How to show that there is an effect of ultrasound at all in the cell medium?

20 July 2017 3,592 2 View

How can I separate aliphatic and aromatic hydrocarbons by solid phase extraction?

I am looking for a sample preparation technique for total petroleum hydrocarbons that can separate the aliphatic and the aromatic components for GC analysis.

23 October 2014 5,587 10 View

What is the best method for measuring endothelium function?

See above

21 September 2014 541 20 View

Does anyone have any experience with measuring impedance of powder samples (without sintering ceramics)?

Some people used to measure impedance of preыsed powders without sintering a ceramic. How do you prepare electrodes for such samples? The analysis of the data are somehow complicated: sample is...

09 July 2013 5,160 9 View

What are the key methods and indicators used in assessing the biodiversity of river ecosystems, and how do these methods account for variations ?

Biodiversity assessment of river ecosystems is crucial for understanding the health and stability of these environments. This question aims to explore the various techniques employed to evaluate...

07 August 2024 4,290 3 View

Are there any instruments for studying time similar to the way it is in space?

There are a huge number of methods for studying objects in space, according to the senses (and not only). Mechanical, thermal, optical, acoustic, electrical, magnetic, based on particle beams,...

06 August 2024 7,102 0 View

Are air moisture harvesting technologies effective in combating desertification?

Air moisture harvesting Air water collection devices

06 August 2024 5,473 2 View

Why do exism movements become permanent dictatorship threats within liberal democracy thinking under majority rule-independent rule of law system?

Exism movements after gaining power within liberal democracies under majority rule and independent rule of law system become permanent dictatorship threats, but why this is the case is not clear...

04 August 2024 8,125 3 View

Some new emerging problems on application of RL for scheduling in IoT networks?

I have seen plenty of existing works on applied Reinforcement Learning (RL) policies for optimized scheduling in IoT networks including Q-learning, DQNs, and the newer ones including PPO for...

01 August 2024 8,754 2 View

What are the roles of innovation in achieving the Sustainable Development Goals (SDG)?

31 July 2024 3,533 2 View

Hi there, someone has the SeinFit software for windows because I cannot download it?

DOS version.

29 July 2024 6,064 1 View

There is possible way to calculate experimental DOS from the UPS spectrum of the material. How to calculate the DOS from UPS?

Here, I have attached the UPS graph. I'm trying to calculate the DOS/DOVS from the UPS.

29 July 2024 4,971 1 View

What is effective targeted chaos?

Perfect democracy thinking assumes no chaos so no need for independent rule of law system and liberal democracies assume the possibility of normal democratic chaos that can be sorted out by an...

28 July 2024 473 1 View

How can I replace missing data in time series (using EViews)?

My thesis includes variables of inflation rate (monthly), interest rate (weekly), exchange rate (daily), and crude oil production (monthly), as well as imports and exports (annually). The period...

27 July 2024 7,384 5 View

Bruce Neagle

Not really! Many commercial labs specialize (Environmental, Pharmaceutical...). So you are more likely to find the appropriate lab by its membership in a professional association.

Eugenijus Butkus

reikia labai ieškoti , pvz., http://www.alsglobal.eu/ bet apibendrintai nežinau, ar yra

You can also search around your Capital City or try SGS. $Millions of USD were invested in setting up a lab, so they are not common.