Which drug is better to modify blood pressure in awake monkey, if I provide it in the food or drink reward?

I need to modify the blood pressure in a monkey while is awake in the recording chamber, and I am planing on provide a drug for that in the food or water used for reward... any advise? Thank you

08 February 2021 9,900 1 View

What fluorescent dye can be used in fixed cells for membrane imaging?

07 January 2021 4,802 2 View

Morphogeometrics analyses: how do I know which landmark has the greatest variance?

I'm using MorphoJ, and the software gives me the eigen values but it doesn't give you the eigen vector. For each landmark it gives you a x and y value for each PC but I'm looking for a value that...

21 December 2020 3,466 3 View

How to calculate Dose rate \dot {D} without source activity with dose tally * F8?

I am using MCNP5 to calculate the dose in a Brachytherapy source with dose counter * F8, but I do not have the current activity of the source. How can I calculate the dose rate for this? Thanks...

06 November 2020 4,194 3 View

Methods for bird trend analysis?

What would be the best method for analysing trends in species abundance in a single area in Latin America over a 15 year period? Could TRIM be used for this purpose? I don't have data about...

27 October 2020 7,532 5 View

What do you think about social exclusion?

The social exclusion is a problem very important for society, we should all help those most need

12 March 2020 1,152 3 View

PJET ligation not working?

I am trying to clone a 1.3 kb fragment using the pJet system. It is a sticky end cloning protocol and I have tried different ratios (from 3:1 to 8:1). I have used DH5a and Top10 cells with...

18 February 2020 9,178 3 View

How can I normalize Western blots if housekeeping proteins change in time?

Hello, I am evaluating the expression pattern of some proteins during the process of neuronal differentiation (1 day in vitro to 32 days in vitro) in primary neuron culture using western blot. I...

08 September 2019 1,505 3 View

Does anybody have the lastest version of the "Handbook of the Birds f the World"?

I have a copy but it is from 1992, and I need an updated one. I just need the section about the Procellariiformes, the Systematics. You can also suscribe online to the webpage...

09 July 2019 4,090 2 View

How to extend the life shell of a biofertilizer?

Hi I am currently working in a project to develop a biofertilizer but my main problem is that my product only last 1-2 weeks and then it gets rotten. Is there any protocol or conservative sustance...

27 January 2019 9,096 4 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 View

What are the best cations for preparing competent cells, Ca2+ or Mg2+?

I have been reading various articles and most state that treatment with CaCl2 produces higher efficiency of transformation than MgCl2. Can anyone explain why Ca2+ is better than Mg2+ at...

16 February 2021 8,519 5 View

Would using an asRNA for repressing transcription of a high expression Listeria monocytogenes non-coding RNA harbored in a plasmid be a viable option?

Hello all, I am interested in deleting a highly expressed non-coding RNA located on a Listeria monocytogenes plasmid. Currently, there are not any optimized gene deletion methods for Listeria...

09 February 2021 4,994 1 View

Review Papers regarding transcriptional regulations & promoter types/classes in Gram positive bacteria?

Dear fellow researchers, Could you please suggest me excellent review papers discussing transcriptional regulations and/or promoter classes in Gram positive bacteria? Thank you so much for your help!

08 February 2021 6,909 3 View

Flexibility of RNAseq?

When you use RNAseq I understand that it must follow certain conditions when you use it. One of them is the insertion of a polyA tail. The insertion of the polyA must include then...

05 February 2021 3,770 4 View

How do microbes tell the presence of an inorganic minaral in the soil?

Due to their ubiquitous nature, there is a tendency of the presence of microbes in a given mineral(s). For instance, if microorganisms that love the of pH less than 6 in the pH value, is isolated...

03 February 2021 4,630 10 View

Moving bacteria-like organisms in my HEK293T cell culture?

Hi everyone, I have been culturing HEK293T cells that have been engineered to overexpress the mechanosensitive protein Piezo1. However, I am finding it very difficult to keep them in culture -...

02 February 2021 7,892 4 View

Does anyone have a copy of the DIBaS dataset?

I am a student from Brunel University London, and I was looking to use the DIBaS dataset for my dissertation. However, recently it has not been accessible via this link:...

26 January 2021 5,185 4 View