*analytical standards in one single vial for Phenolic acids (gallic, caffeic, syringic, p-coumaric, ferulic)
*and also for Flavonoids (catechin, rutin, myricetin, quercetin, apigenin)
*please provide the URL and also the brand name.
interested
Please read the attached files
I read an interesting article from Christensen (2007): A Monte Carlo approach to unidimensionality testing in polytomous rasch models. But do you have some further thoughts or maybe other...
08 August 2024 4,245 0 View
"I have treated adult zebrafish with 8-micron polystyrene microplastic and want to study the bioaccumulation in different organs. Can this be done using hydrogen peroxide digestion followed by...
05 August 2024 853 3 View
I conducted an adsorption experiment of arsenic on soil in the presence of different doses of silicon as competing ions to see the effect of silicon on arsenic adsorption and desorption. I took 5...
03 August 2024 6,500 3 View
The adsorbate is Arsenic and the adsorbent is a soil
18 July 2024 332 8 View
I am using a polygon mirror scanner that have 6 facets and the dc brushless motor speed was given 10,000 RPM. Now I want to know how to calculate the polygon speed if I change the power supply...
11 July 2024 5,942 1 View
I'm attempting to simulate a crossed dipole antenna. For excitation, I've placed a lumped port along each dipole. However, the resulting radiation pattern is similar to that of a single dipole....
08 July 2024 1,876 3 View
Does anyone know if there is a lab scale encapsulation machine available for purchase?
05 July 2024 3,889 1 View
I have used this BIorad Powerpac Basic for 4 years now, before which it was used for another 5-6 years. Generally we addressed the E1 error by compensating with fresh buffer and/or filling the...
01 July 2024 7,104 1 View
I am doing md simulation for protein aggregation. For doing cluster analysis I was trying with gmx clustsize. Now the plot that I am getting, can not find a proper explanation. With -hc flag the...
24 June 2024 5,246 0 View
if yes, is the publication free of charge
06 June 2024 4,270 1 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
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
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
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
I would like to know the role of the TFA (trifluoroacetic acid) used on reverse phase chromatography c-18 column. It's is often used with a concentration of 0.1% on the mobile phase.
23 July 2024 8,075 3 View