EMSA troubleshooting. Protein-DNA complex not migrating, cold probe lane with multiple bands. Can anyone help?

I'm running an EMSA to show the DNA binding activity of recombinant proteins versus the Wild type. Previous assays run by my research group using a different test system show the protein-DNA...

24 February 2021 8,325 1 View

Why is my qPCR suddently not working?

I've been working with qPCR for some months now. I amplify 2 genes (PSEN2 and HN1), and the protocols are optimized for both and have been working fine. The other day I amplified HN1 for some...

21 February 2021 3,437 3 View

Can ethanol be used as an analgesic?

If ethanol has analgesic properties, why isn't it used for clinical purposes?

18 February 2021 8,227 4 View

Acid phenol:chloroform (25:24:1) for RNA extraction instead of (125:24:1)?

Hi everyone! I am about to extract RNA for RNA sequencing assays and my Invitrogen kit/protocol...

14 February 2021 1,755 3 View

Are there any public datasets of consumer complaints about service industries at the European level?

06 January 2021 1,718 2 View

No title

16 December 2020 9,657 5 View

Tools for analysis of interaction between lncRNAs and proteins/miRNAs?

Hi! I would like to know what tools I could use to analyze interactions between a new lncRNA and possible protein/miRNA targets. The biggest problem I had to find such tools is that the RNA we...

20 November 2020 8,331 3 View

I would like to ask some questions about concentrations of Urea 3M and 8M in two experiments?

I would like to ask if anyone knows if concentrations of Urea 3M and 8M can interfere with protein purification at Ni-NTA and Glutathione Sepharose 43 resins. Another question, Urea, at 3M and 8M...

17 November 2020 5,014 3 View

I would like to ask if anyone among you knows what is the ideal concentration of TFA to use at a chemical synthesis of peptides?

During a chemical synthesis of peptides by the F-moc method, the following happened: all the initial steps of the synthesis occurred as planned, but in the cleavage, TFA is used. In the lab, there...

02 November 2020 2,997 8 View

Can I use generalized linear mixed model to "fix" data absence?

I have some data of the diet of an omnivorous fish diet collected over 20 years. This data is divided in two seasons, the dry period (drought) and the wet period (flood), and I want to analyze the...

10 October 2020 6,546 6 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 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

How does an antibody have full intact antibody + half antibody?

Hello, I was just wondering how does a antibody have full intact antibody + half antibody? Is it because of the drug conjugation?

28 February 2021 1,577 1 View

How do I choose contrasts in SPM8?

I am learning how to use SPM for PET and PET-MR analysis, but I haven't found any great resources that explain how contrasts work. I have a series of PET images where our hypothesis argues that...

24 February 2021 1,534 2 View

Does anyone have any ideas why drug-resistant malaria is increasing in Southeast Asia even when those drugs are no longer used?

When dealing with bacterial toxins, there are three varieties of microbes that develop in your petri dish: toxic, resistant, and susceptible. Initially, there are only toxic and vulnerable...

21 February 2021 6,084 5 View

What is the most prevalent drug related problem in the developed countries?

Detecting the drug related problems is an important step in the pharmaceutical care plan

21 February 2021 5,421 3 View

No title

19 February 2021 8,647 3 View

How to improve dissolution of neosome?

I have made neosome from herbal drug. Neosomes are stable. But I face problems in dissolution. I used minimum ratio of 1:1:0.25 ( Drug:span 60: Cholesterol and GMs. Now how can I active better...

17 February 2021 3,584 1 View

Is it possible to remove the cells from a tissue and keep only the extracellular matrix for proteomics?

Hello! I would like to know if there is a way to flush/remove all the cells out of a tissue and keep only the extracellular matrix, in order to analyse its composition using e.g. proteomics....

14 February 2021 1,602 4 View

How to determine the drug loading and the drug release capacity of a polymer micelle using UV spectroscopy?

Currently, I am working on PLA-PEG copolymer micelle for the drug delivery system. I have seen several papers where some researcher talks to centrifuge the drug-loaded micelle to separate the...

13 February 2021 5,822 7 View