1-Amino-2-naphthol-4-sulfonic acid???

Separation of organic acids-HPLC?

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

Determining the worth of a point improvement in Hamilton Depression Scale?

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

Conjugation of PEG-Amine to an Amino Acid Using EDC?

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

Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

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

My cfDNA extraction protocol using silica beads works with plasma collected in COD SAGM bags but not with plasma collected in K2 EDTA tubes. Why so?

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

What is the Principle of Cysteine-carbazole-sulfuric acid reaction with glucose?

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

I want to buy Hydrothermal Synthesis Autoclave from any European company. Can anyone suggest any company inside Europe?

Thanks

22 July 2024 1,143 3 View

Hi dear researchers, do you suggest the best and shortest path for chemical synthesis and green synthesis of magnetite(Fe3O4)?

Suggest the best and shortest route for the chemical synthesis and and green synthesis of magnetite(Fe3O4) The chemical synthesis should contain the least dangerous chemicals along with full...

21 July 2024 2,476 2 View

Can sulfuric acid be used to prepare anthrone reagent when it has oxidized and changed color in reaction to light?

Sulfuric acid has changed color to yellow.

16 July 2024 6,964 0 View

Im trying iodination of an arene, but only getting black precipitates, is there anyone with iodination experience who can advise?

Organic Synthesis. My student has been trying iodination of arenes (our goal is to iodinate p-phenylenediamine) following these literature procedures: 1. Synthesis 2004, No. 11, 1869-1873 using...

16 July 2024 6,630 1 View