Expression cloning by using cDNA,do I need to modify the cDNA first?

I am going to have a expression cloning of mammalian gene by using shuttle plasmid to transforming the E.coli However I don't know I should only inserting the Coding sequence ,or I can...

28 February 2021 5,440 3 View

Schrodinger Desmond runs fine on one GPU, but crashes on other GPU?

Hi, We are having issues using Desmond on our workstation. Simulations run fine on one of our gpus ("Gpu0") but crash consistently on the other gpu ("gpu1" - which is also set up as the display...

01 February 2021 5,866 3 View

How does climate change affect birds (shorebirds)?

I m recently investigating the impact of climate change on shorebird population trends, I would like to know what is the impact of fluctuations in variables such as sea surface temperature, global...

10 November 2020 9,293 15 View

Can I use the EPIC-Oxford FFQ for free?

Designing my PhD project and need to use an FFQ, but we don't have any funding for this part of the project.

09 November 2020 4,541 1 View

Is there a survey tool (similar to REDCap) through which we can send an anonymous survey and restrict respondents to one survey each?

I am working on a research survey where I need to send it out to a group of users and track in (anonymous) responses. I need to restrict users to completing the survey only once. I do not think...

06 August 2020 918 2 View

Western Blot Transfer Band Smearing?

Anyone have any insight? It's becoming a recurring issue. I make fresh transfer buffer each time.

29 July 2020 9,331 9 View

How many users can i put in the same vsat broadband plan?

sorry if i wasn't able to explain very well for example, i am in a country that doesn't have satellite internet service, and would like to be the first provider for this service. lets say i have a...

05 July 2020 4,637 1 View

Failed gateway cloning?

Hi everyone, I am having a few doubts about gateway cloning. We are using gateway cloning for protein expression using pDEST15 as our destination vector. I attached a picture of the pDEST15...

10 March 2020 7,472 2 View

Inrush control when Transformers are Energized at Solar Renewable is best achieved how?

Increasing use of solar renewable resources or farms on weak remote locations are causing significant power quality and voltage notch issues with connecting utilities. High penetration of these...

17 August 2019 7,097 2 View

Glass microballoons from sodium silicate solution?

I once produced microballoons from sodium silicate solution (water glass). does anyone have experience in manufacturing these, are articles you could point me in the direction of? thanks

01 July 2019 8,764 1 View

Buffer to disrupt platelet alpha granules for PF4 quantification?

Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...

03 March 2021 1,499 2 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

How to prepare a thin polymer film by post-polymerization/crosslinking?

24 February 2021 2,362 5 View

How to delaminate copper in water-based anodes?

Hello everyone, I'm looking for a way to delaminate copper current collector of water-based anodes in Li-ion batteries without damaging the graphite film. I tried different materials such as HNO3...

24 February 2021 3,785 3 View

Can I use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography?

Hi! I would want to know if I can use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography. This column has a polyethylene glycol phase, but I can't find the manual to check...

22 February 2021 730 2 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

How to define the sink temperature and film coefficient?

Hi, everyone. I am considering the heat conviction during compacting simulation by Abaqus. I was wondering that how to define the sink temperature and film coefficient? Is there any references...

21 February 2021 6,197 1 View