How long can agarose embedded tissues be kept?

I am embedding PFA fixed tissues in low melting point agarose prior to sectioning and I am wondering how long can these can be kept whilst maintaining tissue integrity and fluorescent signal?...

14 February 2021 6,688 3 View

Can anyone direct me to a paper or chapter that discusses calculating sample size in a self-selecting survey study?

Our study is investigating clinical knowledge in a specific area in healthcare workers at a large metropolitan hospital. Participants will self-select to complete the survey via email invitation...

11 January 2021 7,934 2 View

Align list of short sequences to miRBase?

I have a list of short sequences from miRNA sequencing in an Excel format and want to align these to miRBase. How can I do this? Is there a function in R? I converted the Excel list into a fasta...

08 September 2020 9,908 3 View

How to get return loss below -10dB for monopole antenna which has very less or no ground plane (or directly interfaced with sma connector) ?

I am designing a monopole antenna For 59MHz frequency . The lamda length is 5m. I tried for lamda/2 which is directly interfaced to sma connector. Couldn't get proper return loss.( According to...

11 March 2020 4,885 2 View

Alpha/betha TCR detection in naive TCs without activation?

Hello together, I want to see differences in TCR expression in naive CD4/CD8 TCs. The problem is, if I would stain the TCR with soluble antibodies to check via FACS, this would lead to a weak...

23 November 2019 1,430 1 View

Questions about RNA extraction?

Hello, I have a problem with my gene expression results. The results of my endogenous gene are oscillating between samples, generating false negative results. It takes about 12 hours after sample...

08 October 2019 569 3 View

Why did I get RMSD plot with 10ns if the MD was 100ns trajectory?

I am new in gromacs and I'm experiencing some difficulties in the analysis of my results. I calculated the RMSD of backbone and ligand from the MD with a trajectory of 100ns (nsteps = 50000000),...

04 September 2019 3,669 6 View

Doubt about secondary antibody to immunohistochemistry?

I bought a secondary antibody to use for immunohistochemistry, but the manufacturer says the antibody is only validated for Western Blotting, not Immuno. Because of this, I don't think which...

26 August 2019 5,356 7 View

High background on stain free blot after transfer and its complications for protein normalization(TGX Stainfree Biorad Gel)?

Hey, I have a question regarding the stain free blot technology of Biorad. After electroforesis I take a picture ("Stain-free gel") for activation of the trihalo-compound. Next I transfer the gel...

12 August 2019 7,734 8 View

What are the strongest and most relevant indicators that have lead patients to suffer from Muscle Tension Dysphonia? Are robust orators more at risk?

i am working on research on this topic. MT Dysphonia is my diagnosis. I am a teacher who is trying to overcome the short and long term effects of this silent disorder. I was first diagnosed in...

06 February 2019 4,656 1 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 View

Does Napabucasin soluble in dichloromethane and in ethanol?

I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...

02 March 2021 9,945 3 View

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View

IHC on mouse liver hepatocytes?

Can anyone help me choose primary antibodies for mouse liver hepatocytes and also in conjunction Cd8 cells. Also Cd3 cells. I want to look at hepatocytes and adjacent immune cells in mice with...

01 March 2021 6,953 1 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

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 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