Oil red O protocol for flow cytometry?

18 February 2021 4,214 3 View

After staining a gel with coomassie can I stain the same gel with fluorescent dye?

I want to know if it is possible to be done the inverse to view / verify other bands that not look in staining a gel with coomassie.

01 February 2021 8,647 5 View

What a 50% positive predictive value mean?

I want to explain a threshold of 50% PPV to describe how some assays perform when the prevalence of disease is high or low

07 October 2020 8,657 6 View

Author who is not actually an author of some of my publications?

I came out to realize that a person who is enlisted as an author of some publications that I am the REAL AUTHOR, is marked instead of me. How do I change that? Example: Standardized sampling...

21 September 2020 378 7 View

How to increase the short circuit current density in a perovskite solar cell?

I'm optimizing the procedure for making inverted PSCs: ITO / PTAA(8nm) / CsMAFA(320nm) / PCBM(60nm) / BCP(9nm) / Ag(100nm). The cells look very good, I have a very good FF (0.70) and Voc (1.0V),...

16 September 2020 6,286 8 View

How can I identify and catalog the Rainforest fungus?

We have a big area of Rainforest where we can see a big variety of fungos growing around. I'd like to catalog them using a simple methodology. We do not have equipment for that despite a...

16 March 2020 9,034 3 View

Sensors and Systems for IIoT?

13 March 2020 7,295 3 View

Does someone know the cause of stains appearing on n-i-p Perovskite Solar Sells?

I did the procedure described by saliba ( How to Make over 20% Efficient Perovskite Solar Cells in Reg... ) to make n-i-p PSCs. However, after perovskite deposition stains appeared in the cell...

29 October 2019 8,012 3 View

How to process small samples for histology?

Hi, I have very small samples of about 1x2mm (dental pulp tissue) and I need to process them for histology (dehydration, parafine inclusion, stainning with HE, etc). The problem is that the...

18 September 2019 1,180 4 View

What is the best protocol for evaluate TMR-peptide?

I apologize if my question seems to naive, but I would like to do a protocol to determine bio-distribution of a peptide coupled to TMR in an animal model however, I am having some difficulties in...

07 July 2019 5,664 2 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View

Can I use FLEXBAR to detect and remove barcodes out of my short reads without demultiplexing ?

Hello, I have demultiplexed my short reads and I have removed the Illumina adapter left in the sequences and now I need to remove the barcodes used by the sequencing centre from my reads. I have...

22 February 2021 9,873 3 View

I can detect my protein but the encoding DNA sequence has stop codons within. Should I ignore the stop codons?

I constructed a synthetic DNA library (scFv, VH-VL orientation) with a 3' reporter and 8x histag. I cloned and expressed this gene following which I performed an ELISA. The ELISA results suggested...

19 February 2021 7,006 5 View

Will SARS-CoV-2 Spike be broken into S1 and S2 by denaturing conditions?

Hello, I am performing a western blot of my SARS-CoV-2 Spike-pseudotyped lentiviral particles. I denature my virus by adding concentrated virus to 2X Laemmli buffer at 1:1, then boiling for...

17 February 2021 4,844 4 View

How do I check the quality of my viral RNA prior to metagenomic sequencing?

I am doing metagenomic sequencing without enrichment for an RNA virus. After my RNA is extracted from the blood I am doing library prep with the NEBNext Ultra directional RNA library prep kit for...

16 February 2021 5,101 2 View

How to remove the species data from rda data frame in R (only remain the sites/samples point)?

Dear everyone, When I using the rda function in r, I met this question. As you can see in the figure, there are a lot of deep blue points which refers to the species. But I would like remain...

15 February 2021 8,982 2 View

Which Journals would you advise to submit a Letter which briefly talks about neurosurgical treatment of neuro-oncological patient during Sars-COV-2?

Possibily not an open access journal which does not add any publishing costs once being accepted. Thank you in advance

09 February 2021 717 6 View

ACE2 Blotted as a double band?

Hello, I have recently run a western of Vero cells for ACE2. I detected ACE2 at the correct size, but it presents as a double band. The sample was prepared by lysing cells in 1X Laemmli...

07 February 2021 6,973 3 View

Should we analyze or relinquish the clinically confirmed data of COVID-19?

Hello everybody As you know, due to the high cost and time-consuming of laboratory assays, like PCR, for the suspected cases of COVID-19, doing this type of investigation is not possible for all...

06 February 2021 6,122 3 View