No title

It was published in the Journal of the American College of Toxicology in 1990, but the author's information does not appear in the journal

29 November 2020 2,554 3 View

Has anyone been successful in seeding microglia from adult mice?

Hello everybody I've been trying to seed microglia from adult mice and I haven't been successful. I isolated them using Miltenyi Beads and that worked perfectly, passed them through the...

14 October 2020 4,572 3 View

Can I use the cryostat to slice brains that were perfused with 4% PAF and Gadoteridol?

Hi everyone Im trying to slice my mice brains with the cryostat, however, I haven't been successful, the tissue seems to stretch and then it breaks. Let me tell you the story about these brains:...

25 August 2020 6,479 4 View

Alternate morphology of eletrocardiographic signals after heart mechanical injury..... ???

Hello, I need your help. We are studying electrocardiographic parameters in an experimental model of heart injury, and we obtained unexpected results. The ECG intervals alternated during the...

28 September 2017 2,581 4 View

What can I do to avoid contamination of my nested pcr?

Good day, I try to make a pcr nested but I have problems of contamination, I use as a template the negative product of the pcr in the second pcr and gives me positive. I thought that the pollution...

24 January 2017 6,992 2 View

Is there any reliable antibody against corticotropin-releasing hormone (CRH) for Western blot?

Hi guys, does anybody know any CRH antibody which would work for western blots giving a nice and specific signal, especially in brain tissues (PVN, hippocampus)? Any advice is welcome. Thank you.

27 January 2016 320 3 View

Sophie's choice: Random mate-pairs or gel selection in Illumina Nextera mate-pair preparation?

Hi guys! I'm sequencing and assembling a de novo invertebrate genome of about 0,8Gb. I want to make a lane run of Illumina nextera mate-pairs, but I'm having some difficulty on selecting the size...

06 January 2015 6,134 9 View

Can anybody recommend a good and specific p-CREB and CREB antibody for westerns in rat brain tissue samples?

Thanks in advance.

22 February 2014 7,262 4 View

The most appropriate nuclear and cytosolic fraction housekeeping gene?

Could anyone recommend the most appropriate housekeeper for nuclear and cytosolic fraction? I want to isolate both fractions from frozen rat brain tissues and am wondering what is the best and...

05 August 2013 8,453 6 View

Physical activity questionnaire PAQ-C and PAQ-A

Hi, I read an article from Kathleen F. Janz, Elena M. Lutuchy, Phyllis Wenthe and Steven M. Levy called Measuring Activity in Children and Adolescents Using Self-Report: PAQ-C and PAQ-A. They...

01 January 1970 9,711 2 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

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03 March 2021 5,360 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

Does anyone know an alternative product for cardiac Troponin T antibody for Immunofluorescence (Thermo # MA512960)?

We have been using Thermo Fisher anti-cardiac Troponin T antibody for immunofluorescence staining in FFPE mouse heart sections but it was recently discontinued. The literature shows it to be the...

01 March 2021 4,937 1 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

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

How to evaluate unsupervised clustering metrics when some elements do not have a cluster label in the result?

I run algorithms like HDBSCAN and MeanShift, and compare them with K-means and GaussianMixture. The first two algorithms do not return cluster labels for some elements in the dataset. My question...

27 February 2021 428 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