How to extract RNA from brown adipose tissue(BAT)?

30 January 2021 6,610 3 View

Are there any easy way to test the activity of CYP51?

I'm looking for a relative easy way to test the activity of CYP51. Are there any way that I can measure it without using LC-MS or gas chromatography. A simple absorbance or fluorescence test will...

08 October 2020 6,687 3 View

How to extract RNA from pancreas?

RNA extraction from pancreas of ruminants is very difficult due to the existence of abundant RNase. Previously, our research group tried to remove the pancreas from animal immediatley after...

20 September 2020 1,097 2 View

How to get bending moment in Ansys shell181 element?

Hello, I would like to compare the bending moment of a tube with beam and shell element in ansys? The tube has the same dimension in beam and shell element. In beam element, i can get the...

24 August 2020 2,352 1 View

Roche has stopped its Universal Probe primer design service, does anyone know where or how we can design primers to fit Universal Probe Library?

Roche announced the Universal Probe primer design service will be stop in the end of 2020, but the primer design website has already been shutted...

10 February 2020 4,745 2 View

Reusing C18 ziptip while desalting the peptide sample before LC-MS/MS ?

Reusing C18 ziptip while desalting the peptide sample before LC-MS/MS ? Hello everyone I have a question while using ziptip Do you suggest that reuse the zip after one sample binding and...

11 December 2019 7,865 3 View

What reason can affect drug concentration to cell viability in MTT assay ?

I did MTT to find the best drug(for cancer) concentration to do Western blot, as drug concentration got higher cell viability got lower, but at the highest concentration has a peak on cell...

14 August 2019 3,745 5 View

Does mesoporous silica NP dissolve in water?

Hi, guys. Recently, I was doing research on mesoporous silica. I used the traditional ingredient to synthesis it, namely TEOS, CTAB, ammounia aqueous, ethanol and water. To my surprise, when I...

08 July 2019 9,961 5 View

What kind of matrigel for orthotopic injection of breast cancer cells into the mammary fat pad of mice?

I am planning to do orthotopic injection of breast cancer cells (MDA-MB-231 and 4T1 cells) into the mammary fat pad of mice to observe cancer metastasis and tumor growth. In lots of references I...

04 July 2019 6,278 5 View

How to measuring extracellular ATP level?

How to measuring extracellular ATP level in tumor specimens, not the culture cell? Is there are commecial Kits available?

17 November 2018 1,053 1 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

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

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 View

Runs of nucleotides in Sanger sequencing?

I performed site directed mutagenesis, transformation, and then I sent out plasmids for Sanger sequencing and found out that there is extension of DNA just before the stop codon. I am not sure...

27 February 2021 547 3 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

Errors in DNA sequences?

I am trying to better understand the scope of DNA replication and sequencing errors, e.g. 1. I have seen similar error rates of 10e4 to 10e5 for cell & instrumental DNA replication,...

24 February 2021 4,397 3 View

What might be the reason for obtaining two bands in plant genomic DNA extraction?

I got a thin band and a thick band i guess it would be the genomic DNA and the 260/280 ratio is 3.

21 February 2021 6,523 6 View

I can detect my protein but the encoding DNA sequence has stop codons within. Should I ignore the stop codons?

I constructed a synthetic DNA library (scFv, VH-VL orientation) with a 3' reporter and 8x histag. I cloned and expressed this gene following which I performed an ELISA. The ELISA results suggested...

19 February 2021 7,006 5 View