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

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

Time trend analysis and sample size?

I am trying to determine if certain contaminants are decreasing in birds over time (1960-Present). Data was pulled from the literature and I've grouped birds based on their dietary habits. When I...

22 June 2018 5,315 3 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Experimental Design: How deal with pseudreplicates with immunological and clinical-chemical paramaeters?

Hello everybody, I am investigating the influence of a toxinon various clinical-chemical and haematological parameters in fish. I have three treatments (control, low dose, high dose) in my...

24 February 2021 1,243 1 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View

Interpretation of Goodman - Kruskal Gamma squared?

Dear colleages, Eta squared is dominantly used in reflecting the explaining power the same manner as a squared partial correlation coefficient (R2p ) from multiple linear regression: as the...

22 February 2021 7,801 3 View

Helix antenna coupling problem?

Dealing with a helix antenna, made with flexible material and not rigid like using a PCB board or wire. At the beginning of the helix is too close to the ground plane, causing coupling. How can I...

21 February 2021 4,453 3 View