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30 September 2020 403 3 View

How can I compare of genes that are expressed extremely low. in these cases, which technique do you recommend that remove primer dimer melting peaks?

Recently, I have been investigating of expression of Sall-4 in two different types cancers. Due to of acceptable melting peak of Beta Actin(and Cq=17), I am sure the quality of cDNA is pretty...

08 August 2020 3,033 8 View

Does anyone know the material E40CDV12?

09 April 2016 2,738 3 View

Should there be a correlation between band size on gel and SYBR green signal in the real time PCR run?

19 January 2016 4,703 3 View

Is there logic behind using Annexin V FACS with another antibody?

02 December 2015 605 3 View

High miniprep yield followed by extremely low Ct values?

I have been using Clone jet PCR cloning kit with a pJET1.2 blunt as a vector. The insert is from a clean PCR product that went through a blunting reaction (supplied with the cloning kit). The E....

19 October 2015 8,587 6 View

How do I use two way ANOVA on real time PCR results?

09 March 2015 8,424 6 View

I see primer-dimers only in my qRT-PCR negative controls. Does it mean everything is OK?

Hello, I have just started with some qRT-PCR for my reasearch and Im doing a calibration of my reactions. With all the primers I checked(5 genes) I get an amplification of my NTCs and NRTs, in a...

06 January 2015 5,961 8 View

How do I calculate standard errors for normalized log2 converted gene expression data?

I ran an experiment with a ref gene (3 biological repeats x 3 technical repeats) and normalized gene expression of my target genes to the ref gene. I decided to present the data as log2 fold...

05 January 2015 6,166 6 View

Has anyone had any experience with storing cell culture slides for a TUNEL assay?

22 December 2014 3,895 2 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

Can linear DNA be used as template for site-directed mutagenesis?

Is it possible to induce site-directed substitution mutation by quick-change method on linear dsDNA? or it has to be cloned in some vector? If yes, should it be treated with the Dpn1 enzyme...

03 March 2021 401 4 View

Chlorinated organic formation in odor control scrubbers using hypochlorite?

I'm involved in a study of odor control technologies for municipal wastewater treatment plant. One of the control options involves a chemical 2-stage (acid/alkaline) packed bed scrubber. The...

03 March 2021 3,661 2 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 View

How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

Why am I not able to use all VEP programs for the in silico analysis of avpr1b SNP's?

Good day researchers I am busy analysing the predicted effects of certain SNP's in AVPR1b. When using the VEP prediction programs (SIFT, Polyphen, FATHMM, LRT, Provean, Mutation Assessor, and...

28 February 2021 5,197 1 View

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View