How common is the melanism in Diadem's Snake (Spalerosophis diadema)?

Is it possible to elucidate the structure of melanin pigments with Cryo-electron microscopy?

Dear Colleagues Melanins are heterogeneous polymeric natural pigments and these pigments are widely distributed in nature from bacteria to humans. Today, although the structure of other organic...

18 January 2021 8,792 2 View

Does amelanotic B16-F10 cells give rise to black toumour nodles when injected in mice?

I am culturing B16-F10 cells in RPMI as these cells tend to die when cultured in DMEM high glucose. When cultured in RPMI, cells are amelanotic. If I inject these amelanotic cells in vivo (i.v.),...

02 September 2020 3,524 1 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

How to extract polygons of species distribution from books?

If you need a distribution map from a book, how do people deal with that? Do u email authors to obtain the layers or is there a way to export the polygons from the book images? Colleagues and I...

20 June 2020 4,391 1 View

Where to find predator:prey mass data (for terrestrial carnivores)?

I'm looking for datasets (or databases) in which the body mass of predator and prey are presented. I'm specifically interested in terrestrial predators (snakes, mammals, birds). An example of is...

16 June 2020 2,453 9 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

Why does hydrogen peroxide make melanin fluorescent?

Many studies seem to look into the chemical properties of melanin, and some have shown oxidation of melanin by use of hydrogen peroxide to cause fluorescence. What is the exact product of this...

08 March 2020 4,264 4 View

Vaccine for Coronavirus?

I thought the last couple of days and think that if we know the source of coronavirus then it will help in one or another way. Suppose / for example, if the virus came from snake or mouse then...

11 February 2020 4,893 17 View

Vaccine for Coronavirus?

I thought the last couple of days and think that if we know the source of coronavirus then it will help in one or another way. Suppose / for example, if the virus came from snake or mouse then...

01 February 2020 2,325 9 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