01 January 1970 4 591 Report

Can you suggest articles that deal with the analysis of sulphate levels in water with HPLC

More Khelifi Amira's questions See All
How can we optimize the procedure for collecting and purifying Eimeria oocysts for in vitro tests?

Hello everyone, I'm currently collecting Eimeria parasites for in vitro tests and would like some advice on improving the process. Firstly, can I replace chemical-grade NaCl with table salt for...

23 May 2024 5,190 11 View

How to activate Dowex50 X8 - Ionic form H+?

Hello, I need to use this ion exchange resin to test the efficacy of the purification step by adding it to a microcon (Blaajberg et al. 2010). This article did not mention the working protocol for...

20 May 2024 8,507 0 View

What is the concept of the anomie according to durkheim?

possible support references

30 April 2024 7,604 1 View

On the topic of entrepreneurship and gender, what should i focus on?

possible support with references and literature

12 April 2024 9,526 4 View

Is technology a blessing or a curse?

has modern technology benefited humans or caused them harm?

11 April 2024 2,479 3 View

RIPA buffer to lysis SF9?

Can I use RIPA buffer to lysis insect cells SF9?

10 April 2024 6,249 2 View

In field research, does not reviewing previous studies before going into the field make us gain a prior judgment about the topic?

in other words, can we resort to previous studies after going to the field to compare and discuss the research results with the previous study?

30 March 2024 1,756 2 View

In social sciences, which is more important, questions or answers, in your opinion?

in social sciences, which is more important, questions or answers, in your opinion?

17 March 2024 8,627 9 View

I am preparing a research paper on libertarians, can you support me with ideas on the topic?

or provide previous studies and references.

14 March 2024 3,901 0 View

What is the best way to detect lipid droplets into brain tissue histology samples?

I tried using oil red O and Sudan black B but I didn't get good results. I used cryostat sections and fixed the tissue into formaldehyde and then sucrose in advance but the tissue field is always...

06 March 2024 6,321 2 View

Similar questions and discussions
Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,800 2 View

Can you connect an HPLC to a Mass Spec only at a certain time point?

Can anyone explain this method? Especially the last statement where it says only at 1.5 to 2.5mins was the MS/MS connected to the UPLC. How is that possible, is it a feature in this specific...

11 August 2024 8,141 3 View

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

Can I use a HisTRAP column for affinity chromatography?

I'm working on selecting antibodies against a recombinant protein that has a His-tag. My idea is to first bind the recombinant protein to a HisTRAP column and then use this column for an affinity...

07 August 2024 505 3 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

Why is electronic energy 0.000 for liquid crystal compounds and is invariable with temperature in Guassian 09 software?

Are there any suggestions or insights you can provide to help address this problem

06 August 2024 1,443 2 View

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,365 3 View

How can we use mobile apps for improving students' academic performance?

Mobile apps can be a powerful tool for enhancing academic performance, how can we use mobile apps for improving academic performance

04 August 2024 9,491 0 View

Why is TLC not a form of partition chromatography?

Why is TLC not a form of partition chromatography and paper chromatography not a form of  absorption chromatography?

03 August 2024 7,034 3 View

Is there any Indian Company or Startups, from any universiy or IITS, which manufacture Gas Chromatography instrument , i want to make a custOmized G?

or we can collaborate

01 August 2024 6,704 2 View

Our partners will collect data and use cookies for ad personalization and measurement. Learn how we and our ad partner Google, collect and use data. Agree & close