How to prepare catechol stock solution and what are different concentrations of catachol to get the calibration curve?

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What is the practical experience of using rice husks to remove heavy metal ions?

Rice husk

25 November 2022 3,254 2 View

Is there a future applied ethics concepts?هل يوجد لمفاهيم الاخلاق التطبيقية مستقبل?

موضوع ضمن الفلسفة التطبيقة

30 September 2019 9,352 5 View

Why calculus is consider as a hardest part of mathematics especially by the university students?

its a most common problem which has been seen among university students.

14 March 2018 7,861 24 View

What is the best method to produce fibrous thermosetting polymer composite in your opinion?

1- Hot mold with pressure. 2- Using vacuum assisted resin transfer molding.

02 January 2018 3,838 1 View

Could Anyone please help me?

Hey every one..Greeting... I have 2 strains of Psedomonas aeroginosa, one produce green pigment on Cetrimide Agar. which conformed that its P.aeroginosa but the other one shows white colonies of...

19 October 2017 2,481 0 View

Inhibitor removers

Hi guys, am producing S_DVB copolymer by direct chloromethylation method . am using DVB as a monemer , in my previous synthesis i did not add Inhibitor removers to remove TBC is that will effect...

02 August 2017 1,107 1 View

What is the relationship between CTD data and seismic data on seismic oceanography? Data CTD use to help create seismic section or data validation?

I am preparing final task about seismic oceanographic to describe the structure thermohaline in waters Waigeo, Papua. I have two location of CTD on seismic line that I use. I am using PROMAX...

14 December 2015 3,343 5 View

Can anybody help me for troubleshooting in dot blot analysis?

I am trying to express a viral protein in neuronal cells. After transfection, I tried dot blot to confirm the expression after 48 hrs. I developed a film using ECL. But I am getting the equal...

28 July 2015 6,446 8 View

How can I deconvolute peaks using CasaXPS?

For the deconvolution of peaks of XPS (X-ray photoelectron spectroscopy) using CasaXPS, what are the steps to do it? I'm new to CasaXPS.

04 March 2015 5,402 5 View

What is the best method for preparing suspension of Aspergillus and Penicillium?

for antifungal and disinfectant activity against filamentous fungi.

22 February 2015 7,533 4 View

Methyl jasmonate preparation ?

How do I calculate the stock solution to apply 100 uM MeJA for 1000 ml of plant nutrient medium ?

01 August 2024 723 0 View

Standard curve of H2O2?

Hi, I need to prepare a standard curve of H2O2 to evaluate the primary products of oxidation. H2O2 I have is 35%. How do I prepare a stock of H2O2 10 microlitere. If s.o has experience, I would be...

26 July 2024 3,460 2 View

How do you get pure primary macrophage cell culture?

I have been harvesting monocyte-derived macrophages from buffalo and cattle fresh whole blood using the same protocol for years and getting good macrophage cultures. Below is the protocol that I...

23 July 2024 4,074 2 View

How do I prepare a working stock solution of 14C sodium bicarbonate to get a final activity of 3uCi?

I need to make a stock solution for radioisotopic incubations of freshwater sediments to study dark primary productivity but I have some confusion as to how I calculate the concentration of 14C...

15 July 2024 5,898 0 View

Has anyone used the new E1 Clip tip digital pipettes?

We just purchased a multichannel and a single channel E1 Clip tip pipettes. In our first attempt to use them for an experiment they are not dispensing accurately? The rep told me that...

01 July 2024 1,983 0 View

Can I use soybean, sunflower, or olive oil to prepare a standard curve for lipid estimation in plants or pollen?

I am trying to analyze lipids in plants; specifically pollen by using Sulfo-Phospho-Vanillin (SPV) Method! Can I prepare a standard curve for this estimation using soybean, sunflower, or olive...

01 July 2024 3,267 1 View

Generating multiple standard curves from a single template?

Hi everyone! After thinking about it on my own, I'm posting a question here. Has anyone ever tried creating qPCR standard curve samples (plasmid or DNA standard) by inserting multiple target...

30 June 2024 1,569 1 View

About the standard of the FRAP in calculation?

Good morning/day/evening salaam I’d like to ask about the FRAP assay again. I have read some articles which represent the data of frap assay as mg trolox equivalent/L, mg ascorbic acid...

27 June 2024 5,239 0 View

can I use Roc Curve in a pilot study?

Hi everyone, we know that the analysis of pilot studies should be based on descriptive statistics and ideally not involve any inferential statistics (i.e., P values). Based on this can I use Roc...

24 June 2024 4,402 7 View

How to make 100ppm 1Liter methylene blue stock solution? How much weigh the dye require?

methylene blue stock solution

19 June 2024 10,030 3 View