Preparation of EDTA-
Citric acid solution in water.
They do not react chemically.
So i have a few peptides (synthesized by SPPS and not cleaved from resin) and I want to add a maleimide label. We have NHS-PEG-Maleimide and from literature it is evident that the free amine group...
18 July 2024 4,075 3 View
I have repeated an MTT assay three times using different batches of the same cell line. Each time, I tested the same treatment (different medium) and seeded the same number of cells. Additionally,...
08 July 2024 1,900 1 View
I am following the NEB protocol to perform SDM with Q5 and NEB HiFi Assembly. I am making a two base pair change. First picture is my Primers designed with NEBaseChanger. Second Picture is my...
24 June 2024 6,079 4 View
I have a very polar alcohol (soluble in MeOH, H2O, partially in heated DMSO). And a long chain fatty acid that I would like to couple. I can't find a common solvent for them. I can form the...
24 June 2024 9,319 0 View
Hi, In a previous question I asked how to effectively model springs in Abaqus. However, I figured out the feature under Assembly -> springs/dashspots -> node to node Springs. I have a cylinder...
20 June 2024 892 3 View
Hi, I am trying to complete a buckling analysis on a tube with an external pressure. This solves itself easily by adding radial constraint on the internal edge of the tube, one axial constraint...
17 June 2024 8,165 7 View
I'm interested in the earliest days of placental terrestrial locomotion in large herbivorous taxa. Phenacodus seems to be transitional in this regard. Any others?
06 June 2024 5,182 2 View
Hey everyone! I'm doing peptide synthesis on Rink amide resin and sometimes I need to add amino acids with secondary amines or beta amino acids. Normally I synthesize 35 to 40 mer peptides. As a...
21 May 2024 9,035 0 View
Sometimes TCSPC curves are analyzed using the actual photon counts, and sometimes they are normalized with the signal running from 0 to 1, or even from 0 to some value less than 1. What quantity...
20 May 2024 4,277 0 View
I am currently using CASTEP version 22.11, and I encounter the following error when running calculations with spin-orbit coupling: Error with dsytrf in nlpot_prepare_precon_ks Current trace...
19 May 2024 4,236 5 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
Palmitic acid presence in aqueous fraction
05 August 2024 8,624 4 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 3,246 1 View
Is this circle one of the rings?
03 August 2024 5,988 0 View
I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?
02 August 2024 7,186 6 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
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 2,033 1 View
I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...
30 July 2024 6,420 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
Hello everyone! How can i prepare EDTA buffer solution (pH 8.2) to determine GSH levels? Thank you in advance.
29 July 2024 4,374 1 View
