What is the best in-vivo model for hair growth?

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Would you please kindly let me know how can I prepare a cell supetnatant for dopamine measurment by HPLC? Can I directly inject it into the column?

I am going to measure dopamine in cell supernatant by HPLC method based on this paper entitked "Self-Assembling Peptide Nanofiber Scaffolds Enhance Dopaminergic Differentiation of Mouse...

08 September 2017 550 9 View

How can I calculate PDI of my nanoemulsion with particle size analyser,when I just have D data not z-average, mean diameter and standard deviation?

I am using particle size analyser that it gives me D5, 10, 25, 50, 75, 90, 95 and 100. I know that the PDI formula is (sigma or sd/mean)2 but my device dose not give me these data (mean, sd,...

02 March 2016 7,969 5 View

In my nanosuspension samples, untrapped curcumin has higher absorbtion than the curcumin solution. How it is possible and how can I estimiate its %EE?

Hi friends, I prepared a curcumin nanosuspension via 3.5mg of curcumin into 25 mg tween, 80, 700 mg ethanol, 750 mg aloevera and 1078 mg water via bath soniacation method. Then, it was centrifuged...

10 November 2015 8,935 4 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 1 View

IHC on mouse liver hepatocytes?

Can anyone help me choose primary antibodies for mouse liver hepatocytes and also in conjunction Cd8 cells. Also Cd3 cells. I want to look at hepatocytes and adjacent immune cells in mice with...

01 March 2021 6,953 1 View

How to avoid ulcers in s.c. injected tumors ?

Recently, we have injected s.c. B16F10 tumor cells in BL/6 mice. At around 12-15th day some animals showed ulcerations in tumors , with a big hole in the middle (it looks like a volcano). We have...

01 March 2021 9,938 3 View

Interested to stain mice tissue with WGA 488 conjugate, anybody has a protocol to recommend?

Interested to stain mice brain tissue with WGA 488 conjugate, appreciate if anyone willing to offer me some guidance or suggestions! Thank you!

28 February 2021 3,951 2 View

How to plot the probability paper of Gumbel distribution using R programing?

In R-studio, there are many commands of Gumbel package. Arguments are also different. I`m asking about the alpha parameter of the Copula which must be greater than 1. If this is the one used to...

25 February 2021 5,229 3 View

Looking for genomic DNA extraction kits from mouse tissue (centrifuge-based, not spin-column)?

Hello. I am looking to extract genomic DNA from mouse brain and lungs and I need a kit that is not spin-column based because I need to scale up the solution amounts for 400mg tissue (most cap at...

25 February 2021 155 2 View

What are the pros and cons for mice versus rats?

Hi Everyone, I am designing a pilot study using rodents to assess the effects of simulated space environments (radiation + altered gravity) on microbiome and immune system. I have limited...

24 February 2021 1,825 3 View

Is it harmful to breed for Cre Homozygosity initially?

Hello, I am currently using a Cas9 knock in system that will be expressed in the liver. To do so STOP codon fl/fl Cas9 KI mice were bred with Albumin-Cre mice to generate heterozgous pups, that...

24 February 2021 5,759 3 View