Is feeding RNAi working in German cockroach?

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PBMC infection with virus?

In my study, I intend to infect PBMCs with SARS-CoV-2. After that, I will analyze NK cells by flow cytometry to see if their phenotype changes or if they show degranulation. After the infection, I...

01 August 2024 4,403 4 View

Culture plates for PBMC (non-adherent). For infection?

Hello, good morning. I would like to know which plate I can use to infect fresh PBMC with virus and culture for 24 hours. I have tried using 12-well and 24-well plates, but many cells adhere and...

24 July 2024 2,158 2 View

Can anyone recommend a brand of cas9 protein that can be used for in-vivo editing in model animals?

zebrafish and mouse

19 July 2024 9,158 1 View

How to removal of dead cells and debris from organoid cultures?

I'm currently working with human pancreatic organoids and I am wondering to remove the dead cells and debris from health organoids, any suggestions would be appreciated!

17 July 2024 8,330 1 View

Dear scientific researchers, may I ask you, what is the function of the ∑ in the picture?

10 July 2024 2,037 3 View

Cp of Turbine is ever increasing with Tip Speed Ratio. What Could be the reason??

I am a student of Mechanical Engineering. I am doing CFD opf Archimedes Winf Turbine. I am trying to validate the result of Paper. But the problem is that tha value of Power Coefficient is ever...

05 July 2024 6,839 2 View

Why our eyes can concisely definite left and right, high and low? But cannot near and far?

While analyzing the data of point cloud, i found some strange phenomenon about the precise. But I expect there is no best plan between LiDAR and binocular vision. However, why our eyes more...

21 June 2024 5,269 3 View

Why are there holes on the surface of TiO2 films deposited by ion beam sputtering?

We have observed many holes on the surface of TiO2. These holes have a diameter of approximately 1 µm and a depth of about 30 nm. The formation of these holes is mainly related to the...

20 June 2024 3,861 1 View

How do you understand that geometric phases are complex?

What kind of cases are geometric phases real? In what case is the geometric phase complex? If the geometric phase is complex, how do we make sense of it?

18 June 2024 6,388 4 View

Why the rat cortical primary neurons suddenly dead/turn into bad condition after about 6days?

I used SD rats (E19) for cortical neuron extraction. Due to the need for subsequent special experiments, I cultured the neurons in a Corning PDL 384-well plate. The culture medium is Neurobasal +...

12 June 2024 1,714 4 View

Is there a problem with my RNA pellet?

Hello, I am currently having problems with RNA extraction. I am using mouse liver (C57BL6J), and I have extracted RNA from mouse liver before. Before this experiment, my final RNA pellets were...

11 August 2024 7,082 3 View

Strugglling with m6A dot blot any suugesstion ?

I have been doing the m6A dot blot for a while with no improvement, I am extracting the RNA, and I can see the dots although the three biological replicas give a different reading on the memberan...

10 August 2024 8,539 5 View

RNA Extraction Using Hot Borate Method No Longer Working?

I've been performing RNA extraction on cotton petiole tissue for a few months now using the method described in the following paper, a derivative of the typical hot borate method...

08 August 2024 9,882 2 View

Does Anyone have expertise in in vitro transcription and RNA pull down assay?

I am currently working on LncRNA; to know the lncRNA-protein interactions I want to do RNA pull down assay, so I need to design primers with T7 promoter. I need assistance in this regard.

07 August 2024 6,622 1 View

E.coli contamination in human RNA seq data ?

Recently, we observed that 99% of the sequences in our RNA-seq data corresponded to the E. coli genome. Despite multiple DNAse treatments after RNA extraction and ribosomal depletion, we were...

06 August 2024 807 3 View

RNA later for the preservation of RNA in fecal samples at room temperature for one day (37°C)?

I am planning to collect human fecal samples for metatranscriptomic analysis using MGI. These samples are from indigenous people living in a region with high temperatures. I will have access to a...

06 August 2024 1,367 3 View

Do you have good tips for seaweed tissue preservation in the field for post RNA extraction?

I will be with my students collecting seaweed samples in a marine farm and later we will process this tissue for RNA isolation and further sequencing. Does anyone have tips on how to collect the...

04 August 2024 501 2 View

What is the acceptable p-value cutoff for GO enrichment analysis ?

I have an RNA-seq data that I have analysed using Limma-voom and have extracted the gene IDs, log2FC and the p-values. At p value < 0.05, I have over 10,000 DEGs, however, when I run the GO...

31 July 2024 225 2 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View

How to prediction 2D to 3D aptamer?

Hello, I have a little problem. Well, right now I only have the DNA aptamer sequence. I went to see the 2D model form with DNA folding. After that, I used RNA Composer to simulate in 3D and used...

30 July 2024 6,794 0 View

Ling Tian

No， we only did injection for RNAi experiments， because feeding is difficult to be quantified, thus the efficience of RNAi cloud not be caculated and the the biological repeats will vary dramatically.

Francisco Tenllado

we only did RNAi experiments using injections of dsRNA preps.

Jingjing Xu

Thank Ling and Francisco for both answers.