Where can I get tRNA-fMet commercially available?

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FACS markers to characterize rat bone marrow-derived macrophages?

Dear all, I am looking for FACS markers to characterize my rat bone marrow-derived macrophages (M0). They were differentiated from monocytes with M-CSF. I am considering to use CD11b/c and...

15 July 2024 4,615 1 View

Do anyone experiment occasional staining problems with cryoprotectant containing Polyvinyl-pyrrolidone and Ethylene glycole?

Occasionally we observe lack of staining in the inner part of a skin section processed with indirect immunofluorescence. Can be due to incomplete removal of the cryoprotectan during the wash? Any...

07 July 2024 8,200 2 View

Dyslexia and Virtual Reality yes or no?

Do you think the use of virtual reality with dyslexia students is good?

23 June 2024 8,437 2 View

Can anyone recommend bibliography on the analysis of rage from an affect studies' perspective?

I'm analysing a novel in which the said emotion is fundamental to understand the development of characters. Thank you in advance.

22 June 2024 4,859 8 View

If I am doing a thematic analysis based on one group, is it okay to add insights from another group of interviewees?

I am doing a thematic analysis from interviewees done with my main group of interviewees. I also have done two interviews with another group of interviewees which provided interesting insights...

21 June 2024 3,305 6 View

¿En qué medida las tecnologías educativas están siendo efectivas para promover el desarrollo de habilidades para la vida?

las

19 June 2024 2,125 3 View

Is there any way to avoid albumin contamination in isolated extracellular vesicles?

Hi, I am doing western blotting of isolated extracellular vesicles, and I have albumin and calnexin contamination that I don't know why. Is there any way to avoid it?

16 June 2024 9,907 4 View

Is it okay to structure the results section of a thematic analysis based on your research questions?

I am going into my inductive thematic analysis with three research questions. In the results section, is it okay to structure it according to these three research questions, presenting the themes...

16 June 2024 1,116 3 View

How can I add my old article to my profile, if I am the first author, but I have different name before marriage?

Please note, that this is my first manuscript under the name Mária Čápová. Then I have been married, and my name change to Plachá, but I would like to have this article in my profile. Ontogenetic...

16 June 2024 7,178 0 View

Can I design a probe for taqman qpcr in antisense?

I have a target of sequences for primer design for qPCR with taqman. The issue is that when I design a sense probe the probe makes dimers with forward and reverse with a very high probability at...

16 June 2024 1,506 1 View

What precautions should be taken while handling S. aureus enterotoxin Type B in the lab?

I would like to understand potential safety concerns while handling SEB in the lab. Especially while working in animal house facility. Would like to know precautions for handling. Sigma MSDS...

07 August 2024 6,034 3 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

Why did the authors extrapolate a phenotype that they experimentally proved in one bacterial strain across the whole genus of the organism?

I aim to be as skeptical as possible regarding whether a pair of orthologous genes results in the same phenotype in their different but related bacterial organisms under similar environmental...

05 August 2024 6,787 4 View

Why my colony PCR results of my recombinant bacterial not showing any results?

I am performing ligation of the plasmid and a target gene. The steps I have taken are: 1. Double digestion of the plasmid and target gene 2. Ligation of the plasmid with the target gene 3....

05 August 2024 2,570 3 View

The Optimal Experimental Approach for Gene Function Analysis?

What is the most suitable experimental setting to understand the consequences of a particular gene: (1) targeted degradation of the specific transcription factor (TF) of the gene, followed by...

04 August 2024 6,265 1 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 we see transcription activity of the bhlh79 family is at the N-terminal or C-terminal?

I'm a PhD Student. From Northwest Agriculture and Forestry University China. My Problem is this I start my work on bhlh79 transcription factor gene. I do my Y2H 5 time but the colonies appear on...

30 July 2024 1,412 8 View

Do some Staphylococcus aureus strains have in vitro antimycobacterial activity ?

Some Staphylococcus aureus strains Inhibit the growth of Mycobacteria in Mueller Hinton Agar medium containing 10% OADC. Do some Staphylococcus aureus strains have in vitro antimycobacterial activity?

29 July 2024 10,023 2 View

Are these cassettes suitable for expressing PETase mutant in E. coli?

I created two potential gene expression cassettes (constitutive and inducible) for expression of a mutant PETase gene on PeptiCloud using the version tree feature, which allows users to create...

28 July 2024 7,559 1 View

Mark Livingstone

People seem to get it from Sigma or MP Biomedicals.

Maria Letizia Di Martino

The product from sigma has been discontinued and I didn't find any alternative until now. Thanks for the suggestion

Maybe at this company: http://www.chemblock.com/trna.php

Eileen L Murphy

MP Biomedicals. Chemical Block is either no longer supplying them or simply closed. There is also tRNA Probes in Texas, but they too are shutting down. Sigma offers PHE tRNA from brewer's yeast, if that helps...