Who knows the storability 3,3′-Dithiodipropionic acid di(N-hydroxysuccinimide ester) in acetone solution

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I am finding hard to sense a plasmodium falciparum ldh from blood. I observed the Rct of the one without blood is higher than the other with blood?

I need a solution to biosensing of plasmodium falciparum ldh in blood. I am using EIS sensing method. I discovered that the Rct of electrode without the blood (spiked and parasitized blood)is far...

09 October 2017 7,321 0 View

How can one prepare sodium ascobate in the laboratory?

I want to prepare sodium ascobate in the laboratory, How can I go about it

06 July 2017 2,179 2 View

I am running EIS and find my solution resistance (Rs) becoming big. Can anyone explain this phenomenon. I am using PBS as buffer. Thank you

EIS solution resistance

05 June 2017 9,685 9 View

Can anyone tell me how aptamer, protein or antibodies attach to the surface of Nitrocellulose in lateral flow model

Chemistry of aptamer, antibody or enzyme attachment to nitrocellulose surface

04 May 2017 2,319 31 View

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

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

Why my plant protein cannot resolubilize after TCA/Acetone extraction?

I am extracting proteins from plant samples and am currently attempting to use the TCA/Acetone extraction method. I am having trouble resolubilizing my sample after drying the pellet. I collected...

15 July 2024 9,025 3 View

Qiagen circulating nucleic acid kit poor yield?

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

What is the exact procedure and materials for converting from ester to carbolic acid by base hydrolysis??

11 July 2024 4,645 3 View