Testosterone or DHT deficient mice or conditional knockout available?

Hi there I've a congenic strain of mice that exhibits a phenotype dependent on testis (lost following orchiectomy) and was wondering if i can assess the contribution of Testosterone or DHT using a...

09 October 2018 2,379 2 View

Looking for some help converting genomic coordinates to genes?

Hi there I've a total of 8000 list of genomic coordinates from mouse that I want to convert to gene names, is there a software out there that can do it quickly rather than I doing them manually...

06 July 2016 3,880 6 View

How to collate sequence data from different databases in excel ?

Hi there I am analyzing SNPs from two different datasets that once collated will provide a complete picture of haplotype blocks. The issue I am facing here is there are SNPs that are found in both...

06 July 2016 8,081 1 View

Mouse SNP query: duplication of strain data?

06 July 2016 3,973 1 View

How much Retro-orbital blood can we safely withdraw from mice?

Hi, i am planning to measure some cytokines in mouse serum at different time points in my model and was wondering if anyone has done these retro-orbital blood collection and the amount that one...

08 September 2015 7,685 3 View

What is the dihydrotestosterone dosage in mice for oral administration?

Hi there, i am looking for the appropriate dosage of DHT in C57BL/6 mice that can be given orally to compensate for gdx. I haven't found an appropriate study that has used it. If any investigator...

05 June 2015 8,293 5 View

Does anyone know about silastic tubing for implants in mice?

Hi there, i am looking for some guidelines to using silastic tubing for implanting hormones in mice. I need to provide 50ug of drug released every day. Has anyone worked with them and would be...

05 June 2015 2,360 5 View

Ubiquitin turnover controlled by?

03 April 2015 449 0 View

How can I get around the fact that the H1R GPCR multimer upon lysate preparation gets denatured and aggregates on the SDS PAGE gel?

I am working with histamine receptor 1, a G protein couple receptor (GPCR), and when i prep my lysate for SDS page gel run I heat them up at 95C/3 min. I am getting protein aggregation in my...

02 March 2015 4,230 6 View

Has anyone come across S-myc tag rather than the conventional c-myc protein tag? Can we detect this protein tag using anti-c-myc antibodies or not?

Has anyone come across using S-myc tag rather than the conventional c-myc protein tag? I received a construct that had S-myc and I am not sure if this is the same tag as c-myc. There is no...

01 February 2015 10,018 6 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What's the concentration recommend for recombinant protein use in western blotting?

I'm currently working having problem with the concentration for recombinant protein use in western blot, the one been used is Recombinant Human CD19 Fc Chimera Protein-rndsystem which does not...

24 February 2021 8,514 3 View

Standard curve shifting over time. How do I stabilise the ELISA?

24 February 2021 1,365 3 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

Will SARS-CoV-2 Spike be broken into S1 and S2 by denaturing conditions?

Hello, I am performing a western blot of my SARS-CoV-2 Spike-pseudotyped lentiviral particles. I denature my virus by adding concentrated virus to 2X Laemmli buffer at 1:1, then boiling for...

17 February 2021 4,844 4 View

Onset of Photo Oxidation in Polymers?

Hi! I am looking for some specific information in regards to the minimum amount of UV intensity required to begin the photo degradation process in polymers. I understand each polymer is...

15 February 2021 7,703 4 View

Kinetics of Enzyme production in Recombinant E Coli?

Hello, I am trying to find kinetic information (such as rate of enzyme production etc.) on the expression of taq polymerase in E-Coli after inserting a recombinant plasmid. Any help would be...

12 February 2021 1,386 3 View

Why is there cloudy white solution in flavonoid test tube?

I do flavonoid test for biscuit incorporated with muntingia fruit powder. Sample extracted with metanol (1:10 ,w/v), macerated 24h, sentrifuged and filtered. Supernatan used for analysis. I have...

08 February 2021 6,779 4 View

Is it possible to quantify recombinant protein in the supernatant using SDS PAGE ?

I would like to quantify a recombinant protein (with native signal sequence) secreted by Pichia pastoris using the SDS PAGE. Since my standard protein (plant origin) is not pure, I would like to...

07 February 2021 3,880 9 View

How to measure the concentration of a labeled protein with no tryptophan or tyrosines?

Hey I'm trying to measure the concentration of a protein I've purified and then labeled with Atto 647 flourescent dye. The protein has no tryptophans or tyrosines (although does have...

04 February 2021 4,482 4 View