I need to prepare Na2HPO4/Citrate buffer pH 5.0, it is possible to prepare 1M, 0r 0.5M if yes, please how? Thank you
I want to crystallize my protein with this buffer? i need 0.1M working concentration.
25 February 2021 3,126 1 View
Hello, I'm currently finalizing my Ph.D. proposal in Research in English Literature. I still have to apply to universities abroad. My question is can I pick two authors for my research (for...
08 February 2021 6,858 12 View
Looking for a well-validated antibody to detect Arc protein expression in paraformaldehyde fixed brain tissue using immunohistochemistry. Ideally this antibody would have been published on using...
07 February 2021 8,457 1 View
If you extract sea water, and filter it, would it be suitable as an input for green hydrogen production? From an electrochemical perspective, would this be the only process step required?
13 December 2020 2,665 8 View
I have to identify lymphocytes on histological sections (after PFA fixation). Please is there any good marker which can be used to label both B and T lymphocytes? Thanks
03 December 2020 1,291 7 View
I'm currently in the process of coming up with a research pitch for a lab to be funded here in the Philippines. Rice is quite the common crop in the South East and its diseases are commonplace....
23 November 2020 5,194 4 View
I have a NetCDF layer file with monthly SPEI-6 values between the years 1950 and 2020 from Global Drought Monitor, a shapefile with polygons of geographical areas that I want to use for extracting...
16 November 2020 2,739 7 View
Hi all, I am interested in peptide structure prediction services, both secondary structure and tertiary structure. Protein prediction services that can predict structures of short peptides are...
30 October 2020 4,314 4 View
Looking for papers which detail the various modes of social organization in rodent species.
10 October 2020 3,654 3 View
Hey! So I'm trying to find an internal resistance of a cell battery (Li-Ion) So, basically what they have given me: A battery open circuit voltage connected in series with a resistor (R0) and...
07 October 2020 6,693 3 View
Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...
03 March 2021 1,499 2 View
When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...
03 March 2021 4,892 5 View
Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...
03 March 2021 6,299 3 View
Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...
01 March 2021 2,215 2 View
Can someone please give me some possible things that could go wrong? Here is my recipe: 0.5g Agarose 50 mL of TAE 1x 1 uL ethyl bromide. Gel was run at 100V for 1 hour. The buffer used is also TAE.
01 March 2021 9,952 3 View
I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...
01 March 2021 9,015 2 View
Dear colleagues: I would like to know if anyone knows of a database that gives me the parameters pH, K, K, Mg, P, C, N, Zn, Cu, Ni and Cd of common foods. I find a lot of information of proteins,...
26 February 2021 5,525 3 View
I need to extract protein from fermented carbon sources for Bradford assay. Most researchers experiencing insolubility of pellet in resuspension buffer. Please assist me to select most suitable...
26 February 2021 7,129 3 View
Hi all, I have been doing research on biotagged LDB1 proteins in Mel cells. I purify the proteins using M280 streptavidin beads. The yield is very low so I've been trying to optimize it by...
24 February 2021 5,749 3 View
The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...
23 February 2021 2,049 3 View