Just what the question says. I know conceptually that you dissolve pure gold metal in HCl but I'm trying to find a more rigorous procedure so that I can know what stoichiometry to use and how to isolate it. Also, is chloroauric acid ambient stable?
I recently came across an anatomy text by Carl Moller that was published in 1915 but it is in German or Dutch neither of which I can understand. I would like to know if there is an English...
10 August 2024 4,346 1 View
I am writing a paper as a part of my course. I am new in London and was wondering that what publications should look upto?
21 July 2024 3,536 1 View
I am working on carbonic anhydrase immobilization into MOFs. I am facing problems with low enzyme loading.. The other issue is that when using p-NPA activity test to detect the activity of the...
20 July 2024 1,437 3 View
Hi all, I am trying to use mixed effect model to analyze my data, which including a baseline measurement for my exposure (A), and repeated measurements for the outcome (B). I do have some...
17 July 2024 8,682 3 View
i need to know the required time
15 July 2024 4,794 2 View
e.g. moment one: square in its normal state moment two: square after cutting large trees and replacing them with dwarf trees.
12 July 2024 8,257 5 View
Anyone kindly tell the name of software that make this graph quickly and also tell how we add vertices or lines in this graph with equal distance to get next dimensions of this graph ( i mean how...
11 July 2024 4,499 2 View
I participated in 2 research projects in which I was responsible for part of data analysis and figures production. Also, I spent hours trying a new statistical approach -for me- to implement in...
10 July 2024 1,226 5 View
I recently received this email message: "Dear Colleague, I trust you are well! I am writing to propose a mutually beneficial collaboration. I have many research papers that need citations. If...
27 June 2024 9,627 1 View
I am simulating 1 cell of PEM with an area of 50 cm². The mesh has an orthogonality of 0.2 for the channels and bipoar plates (polyhedra) and a quality of 1 for the active zones (hexagonal). The...
26 June 2024 2,358 0 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 8,781 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
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
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 am experiencing this for the Bi2Se3 sputtering target. Initially, even if the target was 2:3 in Bi : Se, with a few sputtering runs, due to the high escaping tendency of selenium, the top layer...
23 July 2024 1,649 1 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
Sulfuric acid has changed color to yellow.
16 July 2024 6,964 0 View
Hi, Attempted to extract cfDNA from a 4 mL plasma sample, with poor yield. Went through the manual in the section regarding poor yield, and feel that this does not apply. Some potential...
14 July 2024 7,475 1 View
Hi all, I am conducting research on screening peptides (20-35 amino acids) with potential for treating dengue fever through protein-peptide docking methods. In the protein database, I found the...
10 July 2024 8,035 1 View