Why do we add urea with ammonia metavanadate for making of vanadium pentoxide
Urea is added to control pH and ammonia metavandate is the source of vanadium species
Require for Rietveld refinement in XRD.
08 August 2024 3,081 2 View
I need to do some experiment with it in liquid form.
07 August 2024 613 3 View
AI tools like ChatGPT can enhance research work significantly when used responsibly and in conjunction with thorough human oversight.
05 August 2024 1,842 3 View
In my study, I intend to infect PBMCs with SARS-CoV-2. After that, I will analyze NK cells by flow cytometry to see if their phenotype changes or if they show degranulation. After the infection, I...
01 August 2024 4,403 4 View
How to apply magnetic field parallel to b axis of any crystal
29 July 2024 4,083 2 View
Hello, good morning. I would like to know which plate I can use to infect fresh PBMC with virus and culture for 24 hours. I have tried using 12-well and 24-well plates, but many cells adhere and...
24 July 2024 2,158 2 View
I'm currently working with human pancreatic organoids and I am wondering to remove the dead cells and debris from health organoids, any suggestions would be appreciated!
17 July 2024 8,330 1 View
I am a student of Mechanical Engineering. I am doing CFD opf Archimedes Winf Turbine. I am trying to validate the result of Paper. But the problem is that tha value of Power Coefficient is ever...
05 July 2024 6,839 2 View
Large difference in Grain size between the average Grain size(EqCA) Equivalent Circle Area method and average Grain size(Surf) is seen after analyzing the grain size map from ATEX software .
01 July 2024 5,448 3 View
While analyzing the data of point cloud, i found some strange phenomenon about the precise. But I expect there is no best plan between LiDAR and binocular vision. However, why our eyes more...
21 June 2024 5,269 3 View
I want to remove Urea from my protein (6kDa) sample. I did use : 1. Step down the Urea gradient (dialysis) in order to remove urea and refold my protein, but my protein still contains urea in the...
06 August 2024 1,350 4 View
A typical reforming section in a large-scale Haber-Bosch process (Figure 1) comprises two reactors. A mixture of methane (CH4) and steam (H2O) is fed into a primary reformer to produce syngas via...
01 August 2024 7,051 5 View
We have been using MFC to control the flow rate of pure ammonia gas. The MFC is placed in an oven at 50 deg. C to avoid blockage due to NH3. However, after a few days of usage, the MFC is unable...
11 July 2024 5,796 1 View
I have a 0.25mM thick gel and I am having trouble cleaning out the wells to ensure constant sample application. I usually use a thin syringe to get into the wells and rinse them out with running...
01 July 2024 2,124 2 View
Some scientists use nano nitrogen and some use nano urea, even though the process used the same for preparation. So, which is true nano nitrogen or nano urea?
28 June 2024 2,885 6 View
Fertilizers play a crucial role in enhancing the productivity of plants. However, low nutrient use efficiencies of conventional fertilizers (CFs) associated with several losses have led to...
21 June 2024 8,843 3 View
Hello, I am trying to purify a 6X-His tagged protein using Ni-NTA chromatography. However, I obtain very less yield & concentration; and considerable protein in load flow through. Any...
16 June 2024 5,876 5 View
I'm a postgraduate student and I'm currently researching ammonia nitrogen degradation through photocatalysis. The following experiment parameters are : 1. 200W Xe Lamp 2. 200mL aqueous ammonia...
10 June 2024 2,657 1 View
Urea fertilizer concentration percentage of nitrogen
07 June 2024 488 5 View
I'm dealing with this pond water for analysis of chemical parameters such as (ammonia, nitrite, nitrate, phosphate...etc.) using a visible spectrophotometer while I was preparing standard curves...
03 June 2024 6,841 1 View