IF troubleshooting: looking at an intracellular protein that localizes to the cell's and how to reduce increase in signal due to cell ruffles?

I am currently trying to stain for PI3KBeta in MDA-MB-231 cells. My current issue is that 1) beta stains all over the cell and 2) there is an increase in signal at the edge of the cell and this...

24 February 2021 8,582 1 View

How to delete a copy of a paper, and how to delete a co-author's name?

I mistakenly uploaded a copy of the same paper and entered my alternative name. How to delete them out? (I couldn't navigate to the right buttons to do it. So from where to where is what I don't...

07 January 2021 7,694 6 View

How can Meta-Analysis be applied to the Life cycle assessment (LCA) of Wastewater treatment Plants (WWTPs)?

I am new into the meta-analysis concept. Having done a little reading and watched videos on YouTube, I understand there are different kinds of meta-analysis. And the type of summary statistics or...

29 December 2020 3,677 3 View

Best Way to Preserve Nitrifying Bacteria in Liquid Culture?

I have a heterogeneous culture of nitrifying bacteria that was originally isolated from the field. It has been kept alive for several months in a bioreactor. I want to pull some of this...

18 December 2020 5,411 4 View

HPLC data show negative peak on the blanks, please can I solve the problem?

09 November 2020 5,884 5 View

Any molecular beacon producing company to recommend ?

Hello, For one of my projects I would like to test a Live RNA imaging using molecular beacons such as in this paper : Molecular Beacon-based Detection and Isolation of Working-ty... As we...

28 October 2020 9,457 2 View

MsaClustalW() Take ages. What to do ?

Hello, I'm new to the bioinformatics world and would like a feedback on which MSA tool to use. I want to find a consensus sequence in about 18000 sequences (from marine biology samples) from...

19 October 2020 2,607 2 View

What is the best way to store PBMC after isolation?

So I need to store these for 4 weeks at least, before I do a Dyna bead negative T cell isolation on it. What should I store it in FBS? or DMSO and at 4 degrees? or is -20 not good for the cells?

26 July 2020 2,339 3 View

Best way to preserve non-sporulating bacteria?

What is the best way to preserve non-sporulating bacteria for further study?

20 May 2020 5,532 5 View

Best way to preserve heterogeneous culture of non-sporulating bacteria?

I have a culture of heterogeneous bacteria that will NOT form endospores. This bacteria was originally isolated in nature and is a complex culture of multiple species. I want to be able to...

20 May 2020 8,369 1 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 View

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23 February 2021 4,014 3 View

How to reduce static electricity of powder after lyophilization?

I am working on synthesizing and then purifying peptides using the SPPS system. After purification of the peptide, the peptide powder is obtained using a freeze dryer. When measuring the powder,...

22 February 2021 10,099 5 View

Can we remove the fmoc group after peptide cleavage?

I have synthesized the peptide using Fmoc based solid phase peptide synthesis. Also I have cleaved the peptide from the resin and lyophilized it, but later realized that, I forgot to deprotect the...

21 February 2021 4,537 3 View

How T cells recognise non-peptide antigens?

This might sound very basic question, but please share with me an explanation of how the T cell is activated when the antigen is not a peptide? What happens? And what are the molecules involved in...

21 February 2021 564 3 View

Help with Amyloid beta detection protocol (western-blotting)?

Hi everyone, I am a first year PhD student working on amyloidosis. I would like some tips and tricks to crack efficiently my current nightmare, i.e. the western blotting of the Amyloid beta and...

11 February 2021 2,513 3 View

How to assing secondary structure to calculated peptide/protein having xyz file?

Hi, I have an optimized structure of some peptides and I would like to represent it as a secondary structure - cartoon. Ok, so server apps ask for pdb file (like Stride). I tried in different...

04 February 2021 517 3 View

Identical spectra for L- and D-peptides after they self-assemble?

Hi dear all, I need advice. I have two peptides with the same sequence but one consists of L-amino acids only and the other consists of D-amino acids only. when they self-assemble in aqueous...

03 February 2021 2,032 3 View

FLAG purification, elution doesn't have protein?

I am purifying a heterotetramer, with one subunit having a 1D4 tag and the other having a FLAG tag. I purified from Sf9 with HBS pH7.3 and 0.002%LMNG first with Anti-1D4 resin and got an adequate...

02 February 2021 3,860 1 View