Kindly give me the proper reason for not using acids, commonly
I am looking for C-Dy spectrum, I am digging the literature, but I haven't found C-Dy bond absorption in FTIR. would be pleased if someone would suggest a paper or any explanation from which it...
27 April 2023 7,941 0 View
Hello, can anyone please named few potential drug delivery technologies that you think are novel and unique. Our comapny is looking to buy few drug delivery technologies that can serve us to...
11 September 2021 1,391 14 View
I have synthesized various Schiff base ligands, two of them are given here, upon coordination with metal such as Dy (NO3)3.5H20 and CoCl2.6H20, the ligands tend to break, what could be the...
09 August 2020 8,848 10 View
I have synthesized silver nanoparticles. The Sem image give 45 nm but TEM image give 4-5 nm particle size. Why there is big difference for the same nanoparticles?
05 May 2019 9,986 17 View
Raw sample: A solid of 0.5 g was added to 10 mL of HNO3. Spiked sample: The same solid sample of 0.5 g was added to 10 mL of HNO3 and 2mL of 1000 ppm Pb standard. After digestion, water was added...
19 September 2017 4,877 15 View
The disulfide bond should not occur because the oxidation does not happened yet
27 April 2015 6,082 6 View
I found that the signals for my dye are weak in tissue sample, what is the maximum limit to which I can increase the detector gain and laser power percent for my dye?
01 January 1970 2,596 3 View
Hello, I hope you are fine. I met a problem in qRT-PCR. I prepared my cDNA from 1500 ng RNA. After I get cDNA I did not dilute it and used 0.5 ul from it but still my ct values for GAPDH is 27. I...
01 January 1970 6,698 4 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 3,246 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 2,033 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 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 8,037 1 View
Penconazole 1. CGA 132465 2. CGA 190503 3. CGA 127841 Fluopyram 1. AE C656948-benzamide 2. AE C656948-pyridyl-acetic acid 3. AE C656948-carboxylic acid I have searched on sigma aldrich as well...
09 July 2024 3,414 2 View