I need some CO2 ground concentration in the Brussels area

More Jean-Francois Doussin's questions See All

Increasing Area Ratio on Quality control Standard on LCMS ?

Hello everyone. During my analyses on LC MSMS, the area ratio (Standard Area/Isotopically labelled Standard Area) increases with time for the quality control point. I'm having trouble explaining...

08 July 2024 3,150 2 View

What is the Best Midiprep Plasmid Isolation Kit?

Hello, I want to order Midiprep plasmid isolation kit, but I can't decide which brand to use. Can you recommend the brands you always use and think are highly effective? How about GeneJet? Thank You.

30 June 2024 5,865 2 View

Where can we get few mm diameter polished circular glass plates?

who retails few mm diameter polished circular glass plates ? thickness 0.1 to 1 mm diameter 1 to 3 mm ordinary or fused silica glass polished on both sides and the edge

16 June 2024 763 1 View

How to get year-wise Number of Patent filings by Indian listed companies??

I am looking for a way to get the number of patents granted and the number of patents filed by each listed Indian company for the past ten years. Is there any website or database that provides the...

31 May 2024 7,201 1 View

How many percent of specific antibodies in serum after rabbit immunization ?

Hi all, I'm trying to validate an ELISA against anti-drug antibodies in which I use a immunized rabbit serum as positive control. Rabbit was a NZR, immunization protocol was "standard" but I...

13 May 2024 2,828 0 View

What are the extraction methods that can be used to extract formaldehyde component of a fruit e g banana/orange?

AAZ

11 May 2024 7,466 2 View

Is there a link between parental poverty and violence against children ?

Poverty is generally a source of material difficulties. It causes communication difficulties between partners and children. Can it be considered the main source of violence by parents against...

10 May 2024 5,143 3 View

What is the spatial resolution of paleomagnetic data for paleogeographic reconstructions?

Are there any references stating clearly the limitations (especially lower limit) of the spatial resolution of paleomagnetic data when used for paleogeographic reconstructions? i.e., how many...

16 April 2024 8,051 0 View

Hello, any lentivirus vector to permanently transduction of cells for fluorescent cellular membrane?

I am planning to study extracellular vesicles, and to do this I need cells with a fluorescent membrane (GFP, Tomato, etc.), do you guys have any suggestion of lentivirus vector? Thanks!

02 April 2024 1,944 0 View

Identification of aquatic(?) insect found in fountain with dead leaves?

Found this larva in a fountain filled with deciduous leaves in the Jura Moutains of Western Switzerland. Since there were also Trichoptera larvae (Stenophylax, or Micropterna, sequax) feeding on...

30 March 2024 5,350 4 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

How is energy cycled through the Earth's climate system and how do matter cycle and energy flow through the rock cycle?

08 August 2024 8,162 0 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 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

How does energy flow through Earth's systems and how does that affect climate and biosphere affect the flow of matter and energy on Earth?

02 August 2024 2,699 2 View

Which is more important: The human factor or the technological factor in combating climate change?

On a personal note, even though technology has attracted a lot of interest and funding to combat climate change, it is becoming more and more clear that taking care of the "Human Dimension" is...

02 August 2024 6,773 12 View

Why is nonpoint source pollution potentially more harmful and difference between point and nonpoint sources of water pollution?

01 August 2024 1,180 2 View

How do living organisms play a role in the water cycle and why is nonpoint source pollution potentially more harmful than point source pollution?

01 August 2024 7,061 2 View

How does nonpoint source pollution affect ocean environment & why point source pollution is often easier to manage than nonpoint source pollution?

How does nonpoint source pollution affect the ocean environment and why point source pollution is often easier to manage than nonpoint source pollution?

01 August 2024 8,014 2 View

Given the current level of natural phenomena cause by the climate change and environmental pollution, will the AI find the technological solutions?

AI-driven technologies offer previously unheard-of capabilities to process enormous volumes of data, extract insightful knowledge and improve predictive models, according to the UN’s World...

31 July 2024 9,733 3 View