How is linear form of plasmid circularized?

Hi all, I'm working on transforming E. coli with plasmid in a mixture of linear and circular form. What happened to the linear form once uptake? Do cells ligate them directly? Or cell DNase...

13 January 2021 8,336 4 View

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02 December 2020 7,293 2 View

How can I filter MODIS active fire data to exclude single fire burning several days?

I am using MODIS MCD14DL active fire data (https://firms.modaps.eosdis.nasa.gov/download/)to monitor fire distribution in my area of interest. I would like to exclude for each selected hotspot...

29 August 2020 7,952 5 View

What is the physical meaning of the cross term of the index performance of LQR ?

Dear All : I have a curious question. Among the index performance of the LQR, X' Q X and u' R u have the physical meaning. Now, my question what is the physical meaning of the cross term X' S...

02 August 2020 1,780 1 View

Can anyone help me about probability sampling?

Now I am doing my DBA research, the whole population are the public university teachers in one of Chinese 's province, there are 22 universities. and I want 400 samplings, the total population is...

23 February 2020 248 3 View

How to analytically describe a band pass filter Gaussian pulse?

I measure pulses on some background and my measurment system has an analog band-pass filter. I usually still have to do extra band-pass filtering digitally afterwards in order to remove the...

29 January 2020 3,494 4 View

On-market phage resistant E.coli strains for pr expression?

ER2566 by NEB is what we are utilizing for pr expression, with merits of fhuA2 mutation. Apparently its resistance spectrum is not wide enough to combat all kinds of bacteriophages we encounter,...

28 December 2019 3,211 3 View

Does anybody have an Android ".csv" Malware Data-set?

17 December 2019 761 3 View

3'deoxy ribonucleotide available?

Hi, I wonder if people know 3'deoxy ribonucleotide (i.e. with 2'OH) is commercially available? I didn't find any in the modified bases product section in IDT, thermo, or sigma. I'd like to use...

14 October 2019 8,376 3 View

What is a good RNA extraction method for RNA-Seq (especially QuantSeq)?

Which RNA extraction method would you recommend for RNA-Seq of snap-frozen fetal murine tissues? We will be doing Lexogen QuantSeq. Considering Qiagen RNeasy (good, but pretty expensive) or Thermo...

02 October 2019 9,527 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View