In my experiment, the size of dot blot on the NC membrane was different. Sometimes, the coffee ring was formed, in which the signal was less in the centre part. How to resolve this question?
Does the binding pattern change if the scFv was converted into the Fab or whole antibody? What about other characteristics, such as the affinity, specificity, stability?
05 June 2018 1,674 3 View
How to improve the expression level of small proteins, such as their MW was less than 20kD?
03 April 2017 7,811 0 View
The strain Y258 of yeast was used as the host for expressing the protein because of the deficient in proteases pep 4. Where did the yeast strain Y258 evolution from? What's it the ATCC number?
11 December 2016 1,626 0 View
I got these smeared bands quite often lately. We typically run the gel at 140V with a 10-12% gel and do a wet transfer at 220 mA for 1.5 hr in cold room. We also noticed some dirty spots/dots (see...
10 August 2024 7,480 3 View
Can anyone with an MJ research / BioRad PCR machine from ~2010 or earlier tell me the external measurements (LxWxH) of the removable standard PCR alpha modules that can be removed from a PTC200 or...
30 July 2024 2,867 0 View
I am trying to coat my micelles and PLGA based nanoparticles with cell membrane using an Avanti mini extruder according to literature . I use 200nm membrane but my particles end up to be 400nm And...
30 July 2024 3,294 3 View
I designed 2 dual hybridization probes for my single SNP. where I attach my fluorophore 5'-FAM-nnnn-BHQ1-3', and 5'-HEX-nnnnnn-BHQ2-3'. I need to run it on the MIC RT PCR machine by Biomolecular...
28 July 2024 5,658 0 View
Does it exist some special technique for cutting ceramic membranes for Cross-sectional FESEM or SEM images?
25 July 2024 5,482 2 View
Hi, I have lysate from human macrophages, and I wonder what will be the best way to check the NFKB activation in those cells. I was thinking p-p65 or p-ikkb./ Is that make sense?
18 July 2024 5,214 4 View
Hello, I am currently working with Malaria Pf/Pan nitrocellulose membranes coated for malaria detection. After drying the coated membranes in an Incubator (overnight at 37°C), I've noticed that...
16 July 2024 7,937 1 View
Coffee waste
16 July 2024 1,303 3 View
Having trouble detecting phosphorylated HSL. Any tips for how to prevent de-phosphorylation events or detect phosphorylation?
15 July 2024 2,055 3 View
I'm currently using Roche anti-DIG-AKP Fab fragments to perform Southern Blot assays, but this reagent is delayed since november last year. It's anybody facing the same problem? If so, how are you...
15 July 2024 6,668 0 View