How should I dispose of silver staining waste (SDS-PAGE)?

I know I cannot pour silver staining waste down the sink, but how should I dispose of it? Thank you in advance!

18 November 2020 1,745 3 View

Do you know a not very expensive journal of Metagenomics?

Hi you all, I'm looking for a not very expensive journal to submit our work related to microbial diversity in a beverage drink using an amplicon perspective. Any suggestion is welcome because I...

02 May 2020 2,165 4 View

Can you help me with a lab protocol (RT-PCR, capillary electrophoresis, etc) to detect the fusion gene FIP1L1-PDGFRa in hypereosinophilia disorders?

I need a molecular biology protocol to detect this fusion gene FIP1L1-PDGFRa in hypereosinophilia disorders, because the protocol that I have is not working, and I see several inespecifical bands...

13 February 2020 1,304 4 View

Did anyone of you ever resuspended compounds such as beta sitosterol or campesterol in culture medium?

I noticed that these compunds are not soluble in DMSO, and DMSO damages hepatocarcinoma cells a lot. Thank you!

04 February 2020 6,575 1 View

How many mice do I need to do qPCR of T cells sorted from B16 TILs?

03 February 2020 9,215 2 View

Why is the TMB substrate turning blue without being in contact with the sample and in the dark?

Hi everyone, last time I was doing an ELISA without exposing it to the light and before I added the substrate it was turning blue. Do you have any idea or suggestion of a better substrate?, the...

03 January 2020 1,294 7 View

How to prevent 68Ga-colloid formation?

Hi, I am currently trying to optimize the radiolabeling of a peptide (w/ NOTA) but I am ending up with 30% 68Ga-colloid in the reaction. I am using HEPES as the buffer and setting the reaction pH...

06 October 2019 1,181 2 View

How can i know if my cell type expresses a certain type of enzyme?

In an informatic database, like typing the name of the enzyme and then the information of the enzymes expressed in that particular cell type.

16 May 2019 2,893 3 View

What antibody is used for the E. histolytica amebiasis antibody test(blood)?

I am trying to see if I can test the serum of infected mice with this antibody

15 January 2019 8,257 6 View

Is my panel data set appropriate for GMM?

I have a panel data set with N=22, T=15 Although N>T, is my N=22 appropriate for GMM estimations? Thanks

10 November 2018 806 3 View

In PRIMER, is it possible to downweight certain taxa in multivariate community datasets to reflect uncertainty around identification??

I have a dataset with about 80 different species. As usual, some species are very easy to identify with certainty whereas others are more difficult, which means that I am less certain of my...

03 March 2021 8,066 4 View

PACYC PCR not working after several attempts. Would anyone have any suggestions?

So, I have been trying to run a pACYC PCR which will be used later on for a Gibson Assembly. However the PCR is not working. I have already tried gradient PCR and changing extension time; however...

02 March 2021 1,146 2 View

How to calculate the annealing temperature of a primer pair?

I have to amplify a gene and my primers just reached. The Tm for Forward primer is 64.2, and that of reverse primer is 65.5. Can some one suggest how to get the best annealing temperature? Thanks...

01 March 2021 360 7 View

Anybody with an idea on how do design specific primers for detecting tomato resistance genes tm-1, TM-2 and Tm2^2?

I am trying to identify these 3 genes among some tomato cultivar collections and after aligning some sequences from NCBI, I couldn't find unique sequences to target for specific primers. There...

28 February 2021 606 3 View

What is the ideal efficiency for a qPCR?

hello everyone, I need to do standard curves for my qPCR, what is the ideal efficiency range? I tried a primer (Mglu2 receptor) that gave an efficiency of 90.2%. Is it accepted?

28 February 2021 1,254 3 View

MiRNA qpcr problem?

Dear All, mirna primer showing some problem in the melting curve? any idea why? As attached is the melting curve. The forward sequence is obtained from miRBase and reverse primer is universal.

28 February 2021 5,008 4 View

Calculating volume of DNA required from DNA concentration?

Hi I am a bit confused. They are asking me to find out the volume of DNA required in ul (a total of 30-100 ng for genomic DNA) from the DNA concentration in the nanodrop reading which was 404.8...

26 February 2021 5,029 2 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View

Genescan gives 3 peaks instead of one?

Hi all, I am doing a genescan analysis for a deleted exon in the patient sample. The amplified region is 215 bp. In the patient sample because of homozygous deletion, no peak is observed while in...

23 February 2021 5,645 1 View

QPCR reaction efficiency with odd results what does this indicate?

I am working on a CFX 96 machine to determine reaction efficiency of my gene of interest. After performing a serial dilution of my cDNA template, I was able to find great reaction efficiencies for...

23 February 2021 809 3 View