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Dear colleagues, In my experience, some evaluations received in the peer review process of journals, often include criticisms based on the QUANTITY of examples you can claim you have in a...

06 November 2019 8,055 4 View

Where does the rationale on using AQL 2.5 and 4.0 standards come from?

I'm currently dealing with really large # of samples and want to set my AQL. So far, I've only seen these two as common standards for major and minor nonconformities, respectively. May I ask if...

19 August 2019 4,037 3 View

Which is the AAV2 ITR sequence?

Hello, I would like to know why some vectors contain this AAV2 ITR sequence, I want to remove that sequence together with others of my vector to make the stable transfection with lipofectamine...

15 August 2018 7,472 4 View

Are there any good tutorials or literature dealing with cluster analyses of categorical morphological traits at the species level?

I want to run a cluster analysis employing categorical morphological traits including all the described species of a genus of plants. My matrix includes both multi-state and unknown values for...

29 July 2018 3,772 6 View

[SOLVED] How can I solve the "Cannot read FoldX RepairPDB output" error in Yasara/FoldX?

I am trying to model point mutations in protein structures in Yasara using the FoldX plugin but I always get the same error: "Cannot read FoldX RepairPDB output". This is apparently a known error...

05 July 2016 7,716 2 View

I How can I obtain enough RNA from oral mucosa samples?

I'm attempting to extract RNA from oral mucosa cells. For this, I use a brush to obtain a sample and put it into RNAlater solution. Afterthat, I extract RNA with a special kit, but the results are...

06 April 2016 1,094 4 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

What are the most reliable approaches to extract key continuous frames from a video, with complete automation?

I have an input video, of skin (from a microscope that means it is magnified such that blood capillaries are visible). The idea is to extract 15 sec of continuous frames from a video of 1 min,...

02 March 2021 2,735 2 View

How can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 View

Which bacteria are suitable for quorum sensing screening?

I want to find a quorum sensing inhibitor from plant extracts. Klebsiella pneumoniae, Moraxella catarrhalis, Staphylococcus aureus, and Streptococcus pneumoniae. I looked for these strains...

01 March 2021 7,675 3 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

Can water be extracted from Olivine?

I have always been interested in geology and wondered about how unique structures of materials behave in different circumstances. I stumbled upon Olivine, the magnesium iron silicate, and heard...

28 February 2021 7,330 4 View

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View

Good morning research fellows, Has anyone worked with senna alata plant extract on any kind of fish?

Literatures on the piscicidal effect of sennaa alata is scanty. if you have any related litrature either in the bark, leaves or roots used as treatment to any aquatic organism please kindly help...

28 February 2021 9,138 2 View

How to arrange coordinates and extract climate dataset out of MPI-ESM-MR netcdf files?

Have a nice day everyone, I'm stuck in extracting datasets out of MPI-ESM-MR netcdf files because the latitude ranges from -3*10^6 to 3*10^6 and longitude ranges -5,9*10^6 to 5,9*10^6. Plus, the...

28 February 2021 912 3 View