Sorting MCF-7 cancer stem cells ?

hello, Is there anyone who has sorted MCF-7 using CD24-/ CD44++/CD326++(epcam) markers. I got articles with CD24/44. Please share some articles with FACS profile from mcf-7 and MDAMB 231 with...

04 May 2018 2,260 0 View

Lentiviral packaging Vectors?

08 September 2017 8,799 0 View

LDHA ASSAY optimization?

08 September 2017 6,027 0 View

Tumorsphere assay cell count ?

08 September 2017 5,120 6 View

PLKO1 vectors transduction?

We are going to use SHC001 Scramble vector from sigma it does not contain any shRNA or GFP tag, however, it has ampicillin and puromycin resistance genes. In this case, how to characterize that...

08 September 2017 4,824 7 View

Pyruvate kinase M2 assay?

We have synthesized some inhibitors for PKM2 enzyme. we are planning to perform enzyme kinetic studies. we studied some protocols for the same but conc. of enzymes to be used are missing. some of...

08 September 2017 2,800 5 View

Can MDAMB-231 cell be grown in DMEM media?

I want to do tumorsphere assay with MDAMB231 it is usually grown in L-15 or RMI 1640 media. So, do I need to prepare cancer stem cell CSCs specific media in L-15 or can I use CSCs media prepared...

07 August 2017 8,079 3 View

Which form of sh RNA is best for experimental purposes?

06 July 2017 9,969 3 View

Regarding pLKO1 vectors?

04 May 2017 8,323 1 View

Characterization of cancer stem cells?

Hello, I have isolated cancer stem cells from MCF-7 cells. I want to characterize these cells. Is there any option available other than FACS? Can we do it with PCR or western blot for markers of CSCs?

03 April 2017 293 5 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

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

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

What is the most suitable resuspension buffer for TCA/acetone precipitated protein?

I need to extract protein from fermented carbon sources for Bradford assay. Most researchers experiencing insolubility of pellet in resuspension buffer. Please assist me to select most suitable...

26 February 2021 7,129 3 View

What urea buffer can i use for biotagged protein extraction from streptavidin beads?

Hi all, I have been doing research on biotagged LDB1 proteins in Mel cells. I purify the proteins using M280 streptavidin beads. The yield is very low so I've been trying to optimize it by...

24 February 2021 5,749 3 View

Cloudy/high background western blot - can anyone help me?

Hi everyone! I try to detect VDR protein (~48 kDa) using Western Blot. After SDS-PAGE using 10% MP TGX Stain-Free Gel from BioRad I transferred the protein onto an metOH activated PVDF membrane...

23 February 2021 6,266 3 View

How to prepare electrolyte of NaClO4 salt for Na-ion battery? Any problem with this salt?

Hello, I am trying to make anode for Na-ion batteries. I have no experience with preparation of the electrolyte for any batteries. NaClO4 salt are available and I am planning to use EC:PC as...

21 February 2021 8,132 1 View