How to analytically describe a band pass filter Gaussian pulse?

I measure pulses on some background and my measurment system has an analog band-pass filter. I usually still have to do extra band-pass filtering digitally afterwards in order to remove the...

29 January 2020 3,494 4 View

Does anybody have an Android ".csv" Malware Data-set?

17 December 2019 761 3 View

What is a good RNA extraction method for RNA-Seq (especially QuantSeq)?

Which RNA extraction method would you recommend for RNA-Seq of snap-frozen fetal murine tissues? We will be doing Lexogen QuantSeq. Considering Qiagen RNeasy (good, but pretty expensive) or Thermo...

02 October 2019 9,527 3 View

Where can I find sizes of fetal mouse organs?

Does anyone know a resource for data on organ sizes (mass, preferably also dimensions) for fetal mice at various stages of development?

14 March 2019 2,229 1 View

Extracting RNA from FFPE tissue using Covaris/Bioruptor sonicator?

RNA extraction from laser microdissected FFPE tissues is markedly enhanced by sonication (paper below). However, I could only find a kit and protocol for Covaris sonicators. We only have a...

20 December 2018 2,932 1 View

How to extract bacterial DNA from swabs using bead beating?

We are happily extracting bacterial DNA using a bead beating protocol. Now we need to start processing swab samples containing fecal etc bacteria. If we put the entire swab into the bead beating,...

26 June 2016 333 4 View

Purifying a linearized plasmid?

I'm having trouble with contamination of linearized plasmid with the intact circular plasmid. I have heavily overdigested the plasmid, gel purified, and digested with another restriction enzyme,...

25 November 2013 1,907 5 View

Stability of sodium butyrate?

I'm using sodium butyrate in cell culture, but I'm slightly worried about the stability of my reagents. There is very conflicting information available regarding its stability in aqueous or...

10 March 2013 6,549 2 View

Tissue processing for laser microdissection and RNA isolation?

Hello! May I ask for your recommendations for tissue processing methods for laser microdissection and subsequent RNA isolation? I can think of at least the following protocols, each with...

12 February 2013 1,553 15 View

Low signal intensity in RT-qPCR (Cy3 probe, MX3005P)

I have problems getting very weak fluorescence signal from my probe-based RT-qPCR assay. The Ct is not bad (less than 30, and I see a clear although weak band on gel), but the signal intensity is...

17 January 2013 1,760 3 View

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

The reason that the culture of white fungi Contamination with green mold(Trichoderma), the culture autoclave at121 for 15 min. What is it?

Is the period to autoclave not enough? The inoculation in a hood and flame and UV and alcohol.

27 February 2021 9,356 3 View

No amplification data for qPCR on MxPro?

I have set up a qPCR run on MxPro with SYBR green and ROX as a reference, however, when I go to the analysis section the program seems to only collect data for the dissociation curves and not the...

25 February 2021 8,039 1 View

Problem with ligating 2.8 kb insert into 8.5 kb plasmid?

I am trying to clone 2 copies of the same mammalian gene into the pSF-CMV-Ub-Puro Ascl (contains HindIII, KpnI and NheI cut sites) plasmid. This is what the final product is supposed to look like...

24 February 2021 6,310 3 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View

Has anyone encountered any problems with abm good microRNA primers for quantification of mature miRNAs?

I've been trying to quantitate mature microRNAs in 293T cells with and without 'X'. 2ug of total RNA (isolated by Trizol method) is converted to cDNA using All-in one microRNA cDNA synthesis kit...

17 February 2021 8,986 2 View

Does the property of GFP affect a fusion protein's localization?

Hello, I am planning to insert GOI between CaMV 35 promoter and mGFP in pCambia1302 to produce a fusion protein and see subcellular localization of the protein. But the vector says it's membrane...

15 February 2021 4,353 3 View

What statistical test is required for an analysis on pre-COVID & post-COVID patient improvement after attending a 10-week programme?

Hi all, Myself and my supervisor are looking at carrying out a statistical analysis to see whether there is a difference in patient outcomes for our 10-week pain management programme according to...

10 February 2021 6,622 10 View

How do you prepare a standard dilution for qPCR?

I am very new to quantitative PCR and need some help for this technique. For my experiment, I need to perform a quantitative reverse transcription PCR. I extract the RNA from my pellet and...

05 February 2021 9,834 4 View