What is the name of a man that was able to memorize all the phone books in England?

I remember learning about this man in my neuroscience courses when studying learning and cognition. From what I can remember, he is/was British, on the spectrum, worked for either the post...

21 April 2020 1,133 3 View

How do you interpret a negative effect for a significant indirect effect in mediation?

X - M is significant positive M - Y is significant negative I understand each of these regressions however, my indirect effect is significant negative? what does that mean?

29 February 2020 8,365 3 View

How do i find out if marital problems and overall happiness correlate to alcohol consumption?

I need to use SPSS to see if the first 2 predictor variables correlate and by how much to OV of alcohol consumption. Multiple regression? How do i input this data into SPSS, whats tests do i run...

02 March 2019 6,129 5 View

IDT vs Sigma?

I work in a big lab that is considering switching from IDT to Sigma to save on shipping costs. Has anybody used Sigma for ordering your oligos? What do you think about the quality of their...

09 March 2017 3,250 3 View

Why are my spinal cord sections curled after IHCs?

25 February 2015 8,011 5 View

Schizotypal & rejection sensitivity/social alienation

I've recently been thinking about how rejection sensitivity is associated with social alienation (partly due to self-sabotaging behaviors/the self-fulfilling prophecy) among individuals with...

01 January 1970 2,313 5 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 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

Can someone suggest a way to prepare slides to observe under confocal microscope for observing fluorescent tagged proteins??

I am growing the cells on coverslips and transfecting the fluorescent tagged protein directly on them. Then i want to observe these cells under confocal microscope. Currently i am just using...

01 March 2021 6,142 3 View

Problem with shRNA transfection. Why are only two plates getting contaminated instead of all?

I transfected my LNCaP-WT cells with 3 shRNA plus their NTC two weeks ago and split two puromycin selected cell plates on Friday last week(Feb 26). I checked for GFP in the cells, and they all...

28 February 2021 4,949 3 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

Why is the efficiency of viral mRNA electroporation in PBMC low?

Hello, I have been struggling with the electroporation of PBMC with HIV-I mRNA. Although the quality of the RNA generated is good, and the handling of the cells in meticulous, the frequency of...

27 February 2021 9,233 3 View

Does RNAiMAX transfection reagent work in serum free medium?

I diluted siRNA and RNAiMAX in opti-MEM and added to the cells which they were in the growth medium. Is it a right way? or should I culture cells in the opti-MEM medium for a while and not in...

26 February 2021 10,041 3 View

How do I transfect a large plasmid into PC12 cells with nerve growth factor (NGF) receptor?

I have a large 16 kb plasmid, which I need to transfect into PC12 cells. Lipofectamin 2000 didn't work and with GFP alone the transfection rate is very low. I also tried the neon invitrogen...

25 February 2021 6,635 5 View

What is a good reagent for lentiviral plasmid transfection in HeLa cells?

I have been using Lipofectamine 2000 but was hoping there may be a better protocol or one for something like Lipofectamine PLUS reagent.

24 February 2021 1,633 4 View

What is the best concentration of cDNA to be used for qPCR?

I have synthesised cDNA from 500ng/ul of RNA. The concentration of the cDNA Is about 5000ng/ul. Should I dilute my cDNA or just use it as it is for my qPCR? I usually use 2ul of cDNA for a 20ul...

24 February 2021 8,618 3 View