Fixation of acidic dyes?

More Sobia Ejaz's questions See All

How to grow a difficult breast cancer cell line?

Here I am trying to optimizing the growth of breast cancer cell which is ++- requiring additional growth factors (20% FBS, insulin and EGF) for its growth. After adding the required growth factors...

07 August 2019 585 5 View

Any criteria to compare LC/MS/MS query with genome database?

Hi everyone, I am working on a medicinal plant protein belonging to the Brassica family and I have run LC/MS/MS of tryptic peptides digested in solution and trying to find out the results...

05 June 2018 818 1 View

How to interpret ESI spectrum?

Can anyone guide me how to interpret ESI spectrum of plant protein?

04 May 2018 1,932 0 View

LC/ESI/MS program for tryptic in solution digest?

Can anyone provide me the proper program for LC/ESI/MS for tryptic digest in solution. I have literature surveyed and found different suggestions. In some cases, 100 % acetonitrile 0-40 % for...

04 May 2018 8,590 2 View

Tyrosine Standard Curve?

Someone please help me in plotting standard curve for Tyrosine. I made different concentration of tyrosine including 0.05-0.3 mg/ml by dissolving in HCl. Then using 200 microlitre of different...

11 December 2017 6,295 3 View

Relative activity of enzyme?

Please anyone tell me how to calculate the relative activity of amylase, protease and lipase from absorbance? Thank you

11 December 2017 1,633 17 View

To solve CD Spectra?

I got CD spectra of plant protein that is quite similar to that of myoglobin pattern in CD spectrometry. Is that correct spectra? Kindly help me? I am attaching the file below. Thank you

10 November 2017 9,087 2 View

Latest research in Material Science ?

Can any body suggest me a latest topic for research in material science? so that I utilize my time which will be worth full for me in future.

01 February 2017 6,268 0 View

Purification of low molecular weight proteins?

I want to purify low molecular weight proteins particularly lectins from plant. Can anyone give me a suitable protocol to purify lectins from plants? Thank you

08 September 2016 2,121 4 View

How can I clean SEPHADEX gel?

I found white particles or sample precipitates in the sephadex gel already used 4-5 times. How can I remove it. I have read to use 0.2 M NaOH or non-ionic detergent for cleaning. But I couldn't...

31 December 2015 650 5 View

Basis set and input instruction to calculate HOMO and LUMO using Orca for Imidazolium based organic salts?

Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...

09 August 2024 5,444 7 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 1,367 3 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

Could dyes amplify the spectrum of light to a specific wavelength?

I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...

05 August 2024 3,290 1 View

Is it possible to improve the reforming section of the Haber-Bosch process without using air separation units?

A typical reforming section in a large-scale Haber-Bosch process (Figure 1) comprises two reactors. A mixture of methane (CH4) and steam (H2O) is fed into a primary reformer to produce syngas via...

01 August 2024 7,051 5 View

Is the mentioned CV graph a valid one as this graph have only one peak prominent (reduction)?

I have used Prussian blue nanoparticles as a redox couple. The PBNPs have been made using only one salt precursor. Also, during scan rate studies, a small oxidation peak can be consistently found...

31 July 2024 9,697 0 View

How to remove/ replace trifluoroacetate countertop after deprotection?

After deprotection of the tert-butyl ester to generate the carboxylic acid in chloroform with TFA, my compound‘s pyridine moiety forms a TFacetate ammonium salt (small molecule drug, not a...

29 July 2024 9,753 3 View

Sodium azide in immunohistochemistry?

Hello everyone, A collaborator sent us his protocol in order to be able to use his immunohistochemistry kits. But one step contains PBS + 0.3% H2O2 + 0.1% sodium azide. Knowing the dangerousness...

23 July 2024 6,314 3 View

How do nutrient transporters and aquaporins interact under abiotic stress in plants?

"The Correlation between Nutrition and Transport Mechanism under Abiotic Stress in Plants: A Comprehensive Review" by Muhammad Saleem, Jianhua Zhang, Muhammad Qasim, Rashid Iqbal, and Li Song,...

23 July 2024 9,109 0 View

Why my gel electrophoresis has smearing?

Greetings. I’m currently running a nested pcr for giardia. My mastermix comprised of 3mM Mgcl2, 5unit of taq polymerase, 0.2uM of forward and reverse primers each respectively and 0.2mM of dNtp...

22 July 2024 9,761 5 View