Transformation of Bacillus subtilis?

Colonies appeared after transformation of pHT01 plasmid into Bacillus subtilis, and band was confirmed by performing colony PCR. However, if the colony is picked and grown (in LB+antibiotics) and...

27 October 2020 609 4 View

Is this correct molecular docking?

Hello, buds I need your help to interpret the attached data. R group in serine is CH2OH, but the data show the two O in the group with hydrogen bonds with a molecule. Is this correct?...

02 October 2020 7,787 6 View

Are there any corporations that have launched Enterprise MOOCs to the public?

I am studying Enterprise MOOCs and can't seem to locate very many empirical articles for this area. The model I am interested in is similar to openSAP (https://open.sap.com). Please share any...

28 September 2020 6,813 2 View

Dataset size and the need for cross-validation (medical domain)?

I am currently envisioning a deep-learning model that classifies pulse waveforms (normal vs. pathologic). At this time, the no. of pulse dataset is about 2,000,000, and the balance of normal and...

31 July 2020 6,713 3 View

[ELI5] FRET assay, Protease assay, Michelis Menten. How would you convert the fluorescence signal to the velocity (concentrion/time)?

Hello i am fairly new to the field of physical chemistry and only have a vague memory of it from undergrad classes. my FRET assay is set up like a regular FRET assay, so the enzymetic activity of...

18 June 2020 9,730 4 View

Do buffers need to match for DNA (aptamer) to protein binding in SPR on NTA chip?

Hello, As a newbie to SPR, I've been having problems with optimizing aptamer-protein binding on an NTA chip. My protein has a his-tag on it. Any help would be greatly appreciated. Question 1:...

14 June 2020 4,586 3 View

How can I interpret this SEM image?

This SEM images are Li doped Cu2O thin films. Precursor of Li is LiCl(Lithium Chloride). I think there is no crystallinity. Is this correct?

31 July 2019 7,787 4 View

How can we calculate the dead cells in a specific population of Candida cells ?

How can we calculate the exact number of the dead cells in a specific population of Candida albicans cells, with or without staining ? If a dye were used, which one is better ?

27 November 2018 4,432 3 View

Does anyone know the BRCA1 status of the prostate cancer cell line 22Rv1?

ATCC catalog number is CRL-2505

06 November 2018 5,697 3 View

Problem of urine LTE4 level in ELISA test?

14 October 2018 4,494 1 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

Could you please recommend some good journal that accept very long revie papers (approximately 6000+ words) in neurosurgery, cancer biology ?

01 March 2021 8,087 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

Where to find data on trees in tropical agroforestry?

Hi, I'm looking for data (mainly related to management: growth rate, canopy size, soil and climate preferences, etc.) about tropical trees used in tropical agroforestry. Have you ever heard about...

28 February 2021 7,356 8 View

How to culture mouse pheochromocytoma cells (MPC)?

Hi Everyone, Has anyone here worked with MPC cell line? Any tips or tricks? I am just venturing into cell biology and any advice on this topic would be highly appreciated. Thank you so much. Niusha

22 February 2021 3,891 2 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

What is the best temperature to coat an ELISA plate?

Hello, I want to control the temperature of my ELISA plate during incubations to get consistent results. In general, what is the best temperature to coat the plate with antibody? I have been...

16 February 2021 2,377 7 View

How to show in a scientific paper format the post-hoc test of 4 variables involved, when 3 by 3 variables are significant?

In a study involving 4 variables (species(2x), temperature(2x), nutrients(2x) and light(3x)), 3 by 3 variables, for example, "species", "temperature" and "nutrients" are significant. I end up with...

15 February 2021 8,018 2 View

Kinetics of Enzyme production in Recombinant E Coli?

Hello, I am trying to find kinetic information (such as rate of enzyme production etc.) on the expression of taq polymerase in E-Coli after inserting a recombinant plasmid. Any help would be...

12 February 2021 1,386 3 View

Is there a way to tell based on appearance which protein crystal should diffract the best?

I have had unheard of success with protein crystallography lately from a super successful protein expression and purification batch. I have attained a lately reproducible vast amount of crystals...

09 February 2021 5,155 5 View