Any information on this procedure would be appreciated
Good morning everyone I have worked with numerous cell lines and have never had any problems with plating cells in 24 or 48-well dishes. I have now run into a problem. I have to seed HDF cells at...
02 April 2023 849 0 View
For example if I use a throttling valve in order to cool a gas by using the joule thomson effect, how can I adjust the valve so that the gas reduces its pressure to a desired value? For example...
11 July 2021 8,137 4 View
Lets say i want to cool a fluid(gas) in a condenser. The fluid(gas) to be cooled enters the condenser with a temperature of 200 K and changes its phase at 150 K(liquid now) and will leave the...
06 July 2021 6,999 1 View
We would like to treat our tissue culture cells with metformin, so the metformin needs to be sterile, TC specific. Any local distributors or is it ok to just sterile filter?
13 May 2021 5,073 1 View
If the entrance and exit teperatures of a fluid which is flowing through a heat exchanger is known, how could i plot the cooling curve of the fluid along the tube? The overall heat coefficient,...
17 March 2021 9,723 9 View
I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...
01 March 2021 7,069 5 View
I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...
27 February 2021 8,578 1 View
Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...
26 February 2021 6,757 3 View
My study will be "a first" to provide a paper-based on years of research and insurance product development, applied science, risk management and non-life insurance practise.
13 January 2021 3,770 3 View
I would like to present my zetasizer data as a intesity (percentage)/ size (nm) graph (see example attached) . I however want the raw data so that I can have the curves for various samples on the...
02 December 2020 6,628 2 View
Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.
07 August 2024 8,782 3 View
Dear readers, Thanks for your attention. I am wondering about the health economic problem of quantifying the value of interventions which a) prevent, b) improve symptom profile and c) ultimately...
05 August 2024 3,245 1 View
Generally, the target material is Mo, Co, Cu, Fe, Cr, etc, so on what basis should we choose this material?
31 July 2024 5,824 0 View
I am attempting to conjugate PEG to an amino acid at the C-terminus, for the purposes of producing nanoparticles. I have been told that PEG modified with amine groups can be used for this purpose,...
31 July 2024 2,030 1 View
Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?
29 July 2024 4,570 0 View
Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco
29 July 2024 2,160 1 View
I am currently performing cell-free DNA (cfDNA) extraction from plasma using an in-house developed kit that employs silica-coated magnetic beads. My protocol works effectively with plasma obtained...
28 July 2024 3,559 0 View
I have been looking for the principle of Cysteine-carbazole-sulfuric acid reaction in research papers and books, but couldn't find it. This reaction is mainly used for the quantification of...
23 July 2024 3,891 0 View
We assume that there is a physico-statistical meaning to the constant π other than circular geometry, but the iron guardians of the Schrödinger equation deny this. The iron guardians of the...
22 July 2024 4,285 9 View
Sulfuric acid has changed color to yellow.
16 July 2024 6,964 0 View
