Clostridium spp. primer qPCR sequence?

31 December 2019 6,662 3 View

I change the annealing temperature, should I change the melt temperature in qPCR?

31 December 2019 8,200 3 View

QPCR melt curve problem with gut tissue DNA?

I am analyzing an intestinal microbiota of rats by qpcr. I had already done the efficiency of my primers and analyzed samples of DNA extracted from feces and everything went well. Good melt curve...

31 December 2019 593 3 View

Same CT for diferent dilutions/concentrations?

I am working with DNA extracted from feces. I made a qPCR using concentrations of 100, 75, 50 and 20ng final. The CT value was very similar between dilutions between 29 and 30. My positive control...

10 November 2019 7,803 8 View

No title

I already used a lysis buffer, but it did not help.

03 April 2019 5,560 3 View

Is Trizol efficient to extract dna from feces (rats)?

I will perform dna extraction from feces and kits are very expensive. I saw that extracting DNA from feces and reading PCR is a bit problematic. Has anyone used any adapted protocol? With lizosima...

01 February 2019 7,535 1 View

Best protocol for extraction of bacterial DNA from feces with CTAB method?

I am trying to extract bacterial DNA from feces and cecum from mice, to then do PCR. I initially tried with phenol-chloroform and did not succeed. I had better results with CTAB, but the DNA band...

01 January 1970 6,572 3 View

Protein-aptamer gel electrophoresis help, please??

Hi, I have problems with running gel electrophoresis. I have tried agarose gel electrophoresis and native PAGE. I have two proteins, which have molecular weights of ~30kDa and ~180kDa and two...

03 March 2021 4,275 4 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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

How to regulate SSCP temperature in simple PAGE?

I'd like to perform single-strand conformation polymorphism (SSCP) in my thesis, however I cannot control the temperature of the vertical PAGE since we are using the conventional tanks. Is there a...

02 March 2021 9,157 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

Why are my bands weird in this Agarose gel?

Can someone please give me some possible things that could go wrong? Here is my recipe: 0.5g Agarose 50 mL of TAE 1x 1 uL ethyl bromide. Gel was run at 100V for 1 hour. The buffer used is also TAE.

01 March 2021 9,952 3 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

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View