Is there a function in Gromacs for quantify ion bridge?

Hi all, I had simulate charged polymers and surfaces, and is very common to have interaction of ion bridge (or ionic crosslinking) which consist of and interaction of two equally charged groups...

24 June 2020 1,678 1 View

What is the common method for the analysis/identification of phytohormone-like compounds ?

Hi fellow researchers, Currently i'm doing some research in fungi-secreted phytohormone-like compounds (possible bioactive ones), and i want to know which method (for example, HPLC or GC-MS)...

06 March 2020 9,946 3 View

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25 September 2019 1,812 1 View

How to obtain surface charge density from experimental data?

Greetings, I need the surface charge density of particulate solid at diferent pH. I have tried from the surface complexation model but there are several things missing. I only have the zeta...

27 September 2018 3,616 2 View

I need to prepare a solution of hesperidin for spectrophotometric readings, which solvent do you recommend?

I am having troubles in disolving hesperidin, I tried Dimethylformamide and acetic acid 0.01 M (20:80) but it is not working.

30 October 2017 6,883 2 View

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24 October 2016 4,115 3 View

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09 October 2016 6,824 4 View

Which is the best antibody to label the cilium?

03 September 2016 9,554 3 View

Is Trizol reagent suitable to be used directly in the 12-well culture plates?

30 August 2016 1,858 4 View

Is it possible to use an OPLS potential in conjunction with other potentials originally created with an arithmetic mixing rule for sigma?

I'm using Gromacs 5.0.2 for a MD simulation with polymer in a saline solution, but the parameters for the polymers are not know, so I'm using OPLS, but this create a incompatibility with the other...

26 April 2016 966 3 View

[Sand Lizards tracked with VHF telemetry] How do I analyze the results of my home range estimations properly?

Hello, I just recently started working with the different types of home range estimations and have a few questions about this and that. Maybe you could help me out with that?! My study animals are...

03 February 2021 5,573 3 View

Working with nominal data in Excel / Stat plus, Chi square?

We are analyzing the response of >400 respondents to a survey, with values of -1 (no) 0 (neutral), and +1 (yes). The data were collected to assess opinions on feeding practices at zoos. An...

17 October 2020 953 2 View

Does anyone know about public databases of baseline corticosterone in reptiles?

I'm searching some public databases of baseline corticosterone in reptiles, I know there is a public database of hormones by Vitousek et al. 2018 ( https://hormonebase.org/ ) and has some data...

31 July 2020 540 3 View

What are the limits of ACTIVE flight of various animals - Maximum Altitude (km) and Longest Continuous Travel Distance (km)?

Dear RG community, I am looking at the limits of ACTIVE flight of various animals. I am only interested in animals that are capable of active flight. Active flight (also called powered flight)...

28 May 2020 5,337 3 View

How can I get genetic material from reptile eggs that have not developed (much)?

I am working on a project involving parthenogenesis in crested geckos (Correlophus ciliatus), and I plan on comparing genes- particularly STRs- in samples from the eggs, the potential parents,...

19 April 2020 385 3 View

Ceramic heat lamp needs distribution layer?

Hi I'm trying to heat a chamber (about 100 Liter volume) with ceramic IR lamps (6 units of 125w each). The goal is to have an approximately homogenate heating at the bottom of the chamber (50cm...

17 February 2020 3,533 4 View

Ceramic heat lamp needs distribution layer?

Hi I'm trying to heat a chamber (about 100 Liter volume) with ceramic IR lamps (6 units of 125w each). The goal is to have an approximately homogenate heating at the bottom of the chamber (50cm...

01 February 2020 6,244 3 View

Hi! I want to mark serotonin in brain tissue with an immunofluorescence. I need to know how to remove the natural autofluorescence of the tissue?

The brain tissue its from a lizard. We want to see de serotonin mark in the pineal complex.

28 January 2020 8,210 3 View

Does anyone have a key to aquatic macroinvertebrates from China ?

I will be working on stream amphibians in Sichuan in 2020, and part of the work will focus on the diet of some aquatic species and prey availability. I thought I'd identify macroinvertebrates with...

31 December 2019 6,315 6 View

How to euthanized humanely small reptile using alcoholic solution? Is this thing appropriate ?

How to euthanized small reptile using alcoholic solution? Some of the reference said that pentobarbital are good solution. However in field practice i have difficulties on availability and...

15 November 2019 1,375 6 View