What is the time a mycotoxin can be frozen ?

I have cow milk and soft cheese samples frozen. How do I secure the mycotoxin still pure with no alternate concentration? Should I analyze ? I will analyze it by affinity chromatography. Any other...

10 October 2018 8,277 9 View

Hello, I would like to know why is necessary a DNA methylase in the GeneArt Site-Directed mutagenesis system ?

I dont understand why is necessary to use a DNA methylase for the amplification step

28 May 2018 6,230 3 View

How to recover signal on long time postfixed tissue?

Dear all, I have mouse brain tissue perfused with PFA 4% and post fixed in formol 10% for periods between 2 month and 1 year. I cut them on vibratome (30um) and I made inmunohistochemistry and...

22 March 2017 6,386 4 View

Does anyone have experience in 'flipping an IT/ComputerSc. classroom' in HEI?

07 April 2015 5,241 4 View

Which is better for signal processing, phyton or it++?

I'm planning to use less time consuming programming languages/ libraries for signal processing. As far as I know it is possible to use phyton or It++ (DSP libraries based on C++). I've already...

21 June 2014 2,973 3 View

How to breed whiteflies (Bemisia tabaci)?

I need to establish a breeding for my project. Can anybody suggest a suitable book/paper dealing with this issue?

25 November 2013 885 5 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

How can I edit suggested publications?

Hi there! I regularly receive suggestion about papers and authors that are totally out of my area. Does anybody know how I can fix this? Thank you!

01 March 2021 9,574 4 View

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 2 View

B-mercaptoethanol (BME) protocol?

Hi everybody, I have been running a multiplex IHC which allow me to stain the same tissue with different markers (Primary Ab + Secondary conjugated Ab) (AF487, AF555, AF647). Since I would like to...

27 February 2021 5,028 2 View

Why do my MCFs not form monolayer?

Hello, I am looking for some expertise on culturing MCF7s. I purchased them from ATCC and I have been following all media and culture conditions. Media is EMEM with 10% FBS and 10ug/mL of...

27 February 2021 3,904 2 View

Is there anyone who experienced with cytotoxic effect of Hoescht 33342 dye?

Is Hoechst toxic to cells? In general, it is known as non-toxic. I am working with dsRED MDA-MB-231 cell line. I applied it for my PDMS-based microfluidic platform, for this reason, I incubated...

26 February 2021 9,119 3 View

Why my agarose gel staining sometimes looks not homogenic but like gradient (see the figure)?

I am worried about this overexposure of the upper part of the gel in the picture. Is it possible that this is the result of too much concentration of ethidium bromide? Why is there such a big...

25 February 2021 8,140 3 View

Markers of mitochondrial activity in FFPE tissues?

Hello everybody, Does someone have any experience with assessing/extimating mitochondrial activity on FFPE tissues? Precisely, no TOM20, ATP5B, etc: we are trying to get an approximative idea of...

24 February 2021 4,618 4 View

Can a Golgi-stained dendritic spines picture processed by Image J be directly used for publication?

24 February 2021 3,348 2 View

Is there an appropriate CD8 antibody for IHC-P for staining human breast cancer tissues?

Hello, We are planning on staining Formalin-fixed paraffin breast cancer tissue sections (FFPE) with CD8 Ab via immunofluorescence (Tissue IF). Based on our existing protocol and imaging...

24 February 2021 9,578 4 View