What surfactants are best for an oil based magnitite ferrofluid?

More Søren Kyale's questions See All

Can anybody suggest me to find out the reason behind the continuous absorption of UV light in biomass carbon?

Can anybody suggest me to find out the reason behind the continuous absorption of UV light in biomass carbon? How to interpret the following absorption spectra?

02 March 2023 9,849 3 View

Scoping review or "Narrative" systematic review?

Hello everybody. I am preparing a review on a "broader" question about socioeconomics and I am having difficulties distinguishing between a scoping review and a narrative systematic review. I...

20 January 2021 8,203 10 View

Must I remove Triton X-100 and/or NaCl before before Bradford assay and/or SDS-PAGE (with BME)?

Hello! I'm purifying a protein and have several questions about what is appropriate to include in the extract solvent at different stages of the purification and characterization phases. (1)...

05 August 2020 4,841 7 View

COVID-19: Does the innate immune system fights the infection (so there is no production of antibodies) in most cases?

Dear colleques, I would like your feedback on this: COVID-19 test: The antibody-based test does not work when the innate immune system fights the infection Søren Ventegodt, MD, MMedSci,...

30 May 2020 9,876 1 View

How can I determine which functional group are present in bamboo charcoal?

I am working with a material and tried for FTIR. But from the peak I am unable to identify the functional the functional group present in the given sample. Can you give me any suggestion?

05 April 2019 3,634 4 View

AAV transduction of kupffer cells/macrophages in vivo?

Hi, We are looking to knock down a transcription factor in kupffer cells, preferably with AAV to allow cell type specific cre-dependent miRNA expression in lysMCre mice. Thus, we would...

05 June 2018 3,371 1 View

Can anyone help me, how to isolation DNA from fly (Lepoptena cervi) using Qiagen kit?

We are collected some deer ked fly. We want to go for molecular characterization of these flies. Kindly help us to extract DNA from these samples.

25 April 2018 8,125 3 View

What is CO TPD profiles? How it is helpful for determining active side of catalysts?

i guess TPD is used to know the the active side of catalyst

01 April 2018 2,060 3 View

What is your experience with sevoflurane as an anaesthetic in Sprague-Dawley rats?

Dear collegues. We are experiencing problems with induction of some of the rats. They tend tp wake up 10-15 seconds after they are taken out, even after 10 minutes in the chamber. What could be...

16 December 2015 2,616 3 View

Any shared interest in adverse drug reactions associated with Articaine?

Dear Dr. Piccini and colleagues, Many thanks for sending e a full text version of Paraesthesia after Local Anaesthetics: An Analysis of Reports to the FDA Adverse Event Reporting System. It is a...

08 March 2015 3,508 7 View

How to heat polymer for about 130° without oil bath ?

is there any other way to heat a polymer evenly other than oil bath if so what are those and how to use it

06 August 2024 947 1 View

Do you think can be any gas and oil bearing rocks in Eastern part of Iran?

I want to know more about petroleum deposits in Iran.

02 August 2024 8,725 3 View

Heavy Crude oil PVT Data?

Hello i need heavy oil PVT data having viscoisty of 2000-3000 cP. If someone have it or research papers about it, kindly share it with me Thanks

25 July 2024 6,940 1 View

What are the most PROBLEMS of HYBRID nanofluid in oil industry ?

explain your idea

23 July 2024 1,197 0 View

Do you think can be any gas and oil reservoirs in central of Iran?

I want to know more about gas and oil reservoirs in Iran.

14 July 2024 3,350 2 View

How am I supposed to find justifications for the unusual fatty acid profile in broiler diet?

I've obtained a fatty acid profile of broiler diet comprised of SFA 48 to 93%, MUFA (22 to 40%), PUFA (non determined to 10.4%. The PUFA composition is mainly n-6 and almost no value for n-3. The...

08 July 2024 9,165 4 View

Transparency oin-in-water emulsion but larger size particle ?

Dear Colleagues, I am currently formulating oil in glycerin/water nanoemulsionn of Thymol and Eugenol, using cationic surfactant. After phase diagram, I got trouble that the clear and...

03 July 2024 4,200 2 View

Determination of fatty acids in fish?

I measured the fatty acids in the fish, using the internal standard method in the national standard method, I first extracted the fish oil with cable extraction, please ask me how many grams of...

02 July 2024 900 1 View

Is there a vegetation zone dividing location based on climate or geographic parameters available by province level?

I am researching the traceability of palm oil and need a parameter that can differentiate between provinces around the world. I want to group the provinces by their vegetation zone and see if it's...

01 July 2024 888 2 View

How to know if the oil palm tree is functioning properly in terms of absorption of different nutrient?

The idea is to design an IoT system that is able to capture real-time conditions from an oil palm tree to ensure optimal growth. Nutrients such as Sulfur, Nitrogen, Boron, Zinc, Copper and Iron.

30 June 2024 3,046 2 View

Michael Schmitt

We used N-methyloleamidoacetic as described in the publication.

Article Tuning the relaxation behaviour by changing the content of c...

Titus Sobisch

how do you define effectivity. And of course oleic acid is non-toxic.

Nguyễn Thanh Lâm

I used oleic acid but ferrofluid don't work. Spikes don't appear with magnetism field.