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

Does anyone has a protocol for transfecting AML12 cells?

I am optimizing a CRISPR/CAS9 system in vitro before using it in vivo. I would like to transfect AML12 cells with my pAAV-sgRNA-vector to validate editing efficiency before generating virus.

26 January 2021 8,733 2 View

The impact of Methylisothiazolinone on haemoglobin quantification?

Hello everyone, I am a researcher working on a project aiming to develop an assay for Haemoglobin quantification. In our assay, prior to HGB quantification we dilute the sample in a dilution...

20 November 2020 7,316 2 View

Ansys Workbench Project view shows "Solved" but mechanical shows "Solve Required". How to Fix this without resolving ?

Hello everyone I am running a thermo-mechanical simulation on a Linux Cluster. In my Project view all the component systems seem to have solved. There is a file.rst file and and solver.out...

14 October 2020 2,631 3 View

Standard guitar tuning has two distinguished vectors (0 5 5 5 4 5) and (0 5 10 15 19 24). What is required to show they are tangent-cotangent bundles?

The pitch value set in music and guitar group in tablature are connected by adjunction of tangent-cotangent bundles. Tuning g is the tangent gradient to the flow of pitch on guitar. It determines...

04 April 2020 2,681 15 View

Can you ask for user input on pymol?

I want to write a script that asks the user to enter the PDB file so that the script can be entered (it prompts the user to enter it), the user enters the 4 character code, then the rest of the...

23 February 2020 1,184 1 View

Why cani I not find Constantino Manuel Torresd on Research Gate Search Enginge?

I just read a new paper posted here by Constantino Manuel Torres. However when I put his name in the search engine here, it says there is now one here with that name? I wanted to send him a...

13 July 2019 2,496 3 View

How do I design primers specific to transfected plasmid and not genomic DNA?

I recently introduced a Lenti-Puro Guide vector containing a specific sgRNA sequence into a cell line. I would like to sequence the ddCas9-sgRNA cell lines to confirm that each sgRNA is accurate.

04 February 2019 6,681 3 View

How to make culture media more basic (not too basic) without a pH meter or strips?

Hi, A friend of mine suggested that the reaction that makes Salmonella colonies appear black on XLD or TSI agar might show an increased rate at a slightly lower pH. I was thinking of adding a bit...

24 July 2018 2,916 7 View

Does anyone has protocol for p53 IHC in frozen sections?

I need to detect p53 in murine E15.5 embryos that overexpress this protein. The embryos were collected and fixed overnight in 10% Neutral Buffered Formalin. Then, I cryopreserved these embryos in...

23 May 2018 2,592 2 View

Buffer to disrupt platelet alpha granules for PF4 quantification?

Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...

03 March 2021 1,499 2 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 3 View

Does anyone use antinuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples?

I am looking for anti-nuclear antibody (ANA) and anti-Phospholipid antibody ELISA kit for Non Human Primate serum samples. Any suggestions highly appreciated. Thank you.

28 February 2021 6,512 3 View

Anyone know of a good progesterone antibody?

I am looking for a good progesterone antibody to quantify levels of progesterone in zebrafish. Applications would be ELISA, and immunohistochemistry.

28 February 2021 5,929 2 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

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

24 February 2021 1,365 3 View

Can I use a protein-devoid condition as my negative control in ELISA?

Hello, I am running a sandwich-type ELISA where I am trying to inhibit a protein-protein interaction using small molecules. For each experiment, I determine my Z' (Z-prime) to determine the...

23 February 2021 7,429 1 View

Can two EC50 values with different hill slopes be compared?

Hello, I fit a classical dose response curve Y=Bottom + (Top-Bottom)/(1+10^((LogEC-X)*HillSlope)) to my data (not related to inhibitors etc). The model I use is purely qualitative but it fits...

23 February 2021 8,155 5 View

Surprisingly low antibody titers against SASRS-COV-2 RBD in hamsters compared to mice?

21 February 2021 6,958 2 View