Does anyone have information about when skin pigmentation can be observed on snake embryo?

Guillaume Blanchet @Guillaume-Blanchet-2

20 November 2017 0 6K Report

I want to know from when in the embryonic development of snakes a pigmentation can be observed. No matter the species, every input is welcomed!

Thanks.

Guillaume

Badges
Science topic

More Guillaume Blanchet's questions See All

Do you think can be any Uranium bearing rocks in Eastern part of Iran and western part of Afghanistan?

I want to know more about Uranium ore deposits in world.

11 August 2024 6,720 0 View

Do you think can be any diamond bearing rocks in Eastern part of Iran and western part of Afghanistan?

I want to know more about diamond ore deposits in world.

11 August 2024 2,167 1 View

What is the difference between mathematical R^4 space and physical 4D unit space?

We assume that the difference is huge and that it is not possible to compare the two spaces. The R^4 mathematical space considers time as an external controller and the space itself is immobile in...

10 August 2024 6,678 14 View

If Banks do not provide credit facility, what are the options available for FPOs and impact on producer’s income?

10 August 2024 8,198 5 View

Controlling for pupil light reflex when analyzing pupil size time course?

I used eye tracking to examine how participants from two different populations (A and B) react to an image. Participants in population A exhibit larger pupil sizes over time, but they also have...

10 August 2024 3,229 0 View

What are a “Farmers Producer Organization” (FPO) and its essential features?

10 August 2024 477 5 View

Strugglling with m6A dot blot any suugesstion ?

I have been doing the m6A dot blot for a while with no improvement, I am extracting the RNA, and I can see the dots although the three biological replicas give a different reading on the memberan...

10 August 2024 8,539 5 View

Do interactions between biosphere, carbon cycle, & water cycle impact global warming & interaction between atmosphere & hydrosphere?

How do interactions between the biosphere, the carbon cycle, and the water cycle impact global warming and interaction between the atmosphere and the hydrosphere?

09 August 2024 3,291 2 View

How to get moment output in Abaqus Standart?

I have input a moment load in module load Abaqus, i put my moment load on the node surface (using reference point). I have define moment in history output and make a set for moment too. But the...

08 August 2024 4,831 4 View

How is energy cycled through the Earth's climate system and how do matter cycle and energy flow through the rock cycle?

08 August 2024 8,162 0 View

Is skin yellowness an numerical or ordinal variable?

I have a response variable called skin yellowness, which I will measure via a scored color chart, whereby 1 is pale yellow and 15 is orange. I'm not sure if this counts as an ordinal variable,...

11 August 2024 4,793 1 View

About Machine Learning for Automated Diagnosis of Skin Cancer with Dermoscopy Images ?

Machine Learning for Automated Diagnosis of Skin Cancer with Dermoscopy Images

21 July 2024 5,471 0 View

Best method for extracting RNA from morulae?

Best method and number of embryos for extracting RNA from pig morulae?

21 July 2024 4,398 1 View

How to prepare alcohol foam with high alcohol content?

Hi everybody, I wonder is there a way to prepare foam from iso-propanol/water mixture? The content of this alcohol should be 70 – 80 w.%. I plan to use silicone-based surfactants, I have several...

15 July 2024 3,539 0 View

How to remove soap formation during transesterification?

Dear all, We've been doing transesterification with our raw materials - a mixture of pairing oil (which is said to came from the skin part of a coconut) and crude coconut oil. During the addition...

14 July 2024 2,200 0 View

Loading control for western blot to detect Histone H1.2?

Hello, I isolated total histones successfully from the skin primary cells by acid extraction. I wanted to detect histone H1.2 expression in different conditions by western blot. Can some one...

10 July 2024 9,165 1 View

How to Freeze Embryos for Spatial Transcriptomics?

Hello everyone, I am currently working on a project involving spatial transcriptomics on E14 mouse embryos. We need to perform cryosectioning without fixing the embryos. Here is the protocol we...

10 July 2024 5,985 0 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

How to produce homogeneous reference gene bands in Western Blot?

Hello, I have been performing Western Blots to study the protein levels of a rodent skin and muscle sample. However, I have not been able to produce homogenous reference bands. I suspect that...

26 June 2024 5,913 3 View

Pseudomonas aeruginosa colonies are too transparent: any tips on counting?

Hi everyone. I need to do a lot of colony counting tomorrow and when I was doing it today I’ve noticed that most of the colonies are too transparent - I have to shine bright light on them all the...

12 June 2024 711 3 View