Can anyone help me how to get the similar bands in Actin?

I run western blot on HCT-116 cell lines, I got actin band like in the attached picture. The band size is not same. Can anyone help me explain this situation and how to overcome? Thank you your...

22 February 2021 6,937 3 View

How can we measure the reliability and validity of our survey questionnaire?

We are conducting survey research on COVID-19 misinformation among students. How can we validate our survey for it to produce valid and reliable data? Also, what statistical tools can we use to...

16 February 2021 678 3 View

How big the Balb/c mice spleen after immunization?

I am working with Balb/c mice, and in my experiment, I have to inject mice with antigens, then get their spleen and collect the splenocytes for fusion. Recently, I get into trouble with the mouse...

04 January 2021 3,591 3 View

How to design a reactive extraction process in Aspen Plus?

Hello, my task is it to create a specific extraction process. There is a mixture containing water, nitric acid and hydrochloric acid. It is known, that tributyl-phosphate is a solvent, which...

03 January 2021 4,163 3 View

Could speech recognition software be developed that DOESN'T convert sounds into waveforms? If not, what does it say about the semiotics of knowledge?

The standard approaches in speech recognition (and A.I. generally) rest on some very interesting assumptions that deserve to be carefully examined...

02 January 2021 9,363 11 View

Capture of oleophilic solid polymers present in water solution ?

I am looking for articles, coferences, publications or thesis concerning the capture of solid oleophilic polymers in solution in water. Thanks Thierry Le Blan

01 January 2021 5,798 3 View

Hybridoma stops producing antibodies after thawing from liquid nitrogen?

Dear scholars, Our research is currently involved with hybridoma technology. We have isolated some original clones after fusion and we are preparing the subclone step to find some true positive...

01 December 2020 1,178 3 View

Suggestion for normal ovary cell lines?

Dear all, I want to choose a normal ovary cell line and check for its proliferation property when introducing carcinogenic factors. Does anyone have any suggestions for the cell line? Many thanks...

08 November 2020 9,100 3 View

What is Snapback Primer in realtime PCR?

Dear all, I find a paper using Snapback primer. I do not understand the function of snapback tail? What is snapback primer? When do we use snapback primer? and why we use that? Thank you.

01 November 2020 8,869 2 View

Rotation matrix - 3D dimension to 2D dimension?

22 October 2020 9,354 4 View

Buffer to disrupt platelet alpha granules for PF4 quantification?

Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...

03 March 2021 1,499 2 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

What are some important techniques for protein induction and SDS-PAGE analysis?

Hello everyone. I am fairly new in protein chemistry field. I am trying to perform a protein induction hoping to purify my protein of interest using FPLC method. However, I am having trouble on...

03 March 2021 8,237 3 View

SDS page software for analysis?

I did sds page to determine the difference in protein expression between 3 types of vaccine , but i don't have scanner or densitometer available. . so i wonder if there is a software to analyze...

02 March 2021 6,270 3 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Why are my bands weird in this Agarose gel?

Can someone please give me some possible things that could go wrong? Here is my recipe: 0.5g Agarose 50 mL of TAE 1x 1 uL ethyl bromide. Gel was run at 100V for 1 hour. The buffer used is also TAE.

01 March 2021 9,952 3 View

What do I do with DLS peaks that are from the buffer?

I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...

01 March 2021 9,015 2 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View