Can random sampling have inclusion criteria?

As random sampling means that everyone in the population have an equal chance to be chosen, can it have inclusion criteria? My research participants have been chosen based on the inclusion...

26 February 2021 6,905 10 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

Pseudo random number generator in Matlab code ?

i want to implement pseudo random number generator in matlab ...i request to every one if someone have code these PRNG share with me SplitMix Permuted Congruential Generator (PCG) Random...

14 February 2021 6,828 7 View

How can I increase cDNA concentartion obtained from viral RNA?

I need good quality and quantity of viral cDNA for NGS analysis. Please suggest how can I increase amount of cDNA obtained from viral RNA.

02 February 2021 8,379 3 View

Hye All, Greetings, How can i get surface run off water data?

this is for my thesis project, so this is the title of my thesis, the effect of land use on hydrological components in Muar, Johor, Malaysia any ideas, guidance, and suggestions all? Thank You, :)

02 February 2021 265 5 View

What is the difference of FTIR for functional properties and structural properties of protein?

I need to send my sample to outsource laboratory and how can i tell them that i want to run the FTIR for structural properties of protein? is there any differenece between FTIR for functional...

15 January 2021 8,992 1 View

What's the correct way of treating ordinal variable as continuous in regression?

08 January 2021 920 16 View

Does low pHPZC (Zero point charge) indicates higher negative charged surface ?

I found that, there is a difference in pHPZC value when higher impregnation ratio of acid on adsorbent surface. Lower pHPZC value when higher ratio of acid impregnation and adsorption performance...

05 January 2021 7,224 3 View

Why do I see many vacuoles on my cancer cells?

I am currently growing BICR31 cancer cells for conditioned media collection, and as I passaged it I have seen many bubbles/vacuoles - like structures. Cells were healthy during the first split...

05 January 2021 2,320 5 View

What Research methodology I will use for Time series data?

I want to conduct a research which is based on time series data ( Suppose, Relation between GDP, Foreign direct investment, Import, Export). Previously I worked with panel dataset and I know the...

31 December 2020 1,207 6 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

Which Journals would you advise to submit a Letter which briefly talks about neurosurgical treatment of neuro-oncological patient during Sars-COV-2?

Possibily not an open access journal which does not add any publishing costs once being accepted. Thank you in advance

09 February 2021 717 6 View

HiPSC positive for GLAST in FACS - why?

Hey, I'm working on hiPSC differentiation into astrocytes. I stained my cells (hiPSC stage) with a GLAST (ASCA1) antibody for FACS and the cells showed a strong positive signal. As far as I know,...

09 February 2021 3,383 4 View

Time series analysis of facial movements and verbal protocols ? What methods can I use to analyze the Data?

Hello, Scientists and Researchers, I have time-based data of Facial muscle movements and their related protocol coding of the verbal utterances (30 min). I have a total of 17 facial muscle...

07 February 2021 1,201 3 View

How to best prepare cells for FACS from live tissue?

Hi everyone, I'm currently trying to perform single cell RNA seq on a small (

24 January 2021 9,804 2 View

Can zinc based fixatives be used after enzymatic dissociation of neural tissue?

I am working on a FACS experiment with mouse neural tissue. I want to preserve all cell types as much as possible and the zinc fixation papers I have read use mechanical dissociation which can...

21 January 2021 4,430 1 View

The First Survey Addressing Patients with BMIs over 50?

Dear Bariatric Surgeons, The importance of obesity management in patients with BMIs over 50 has not been completely addressed and it should be considered separately from patients with morbid...

20 January 2021 2,748 1 View

Is anyone aware of any freely available databases of normed works of art?

I am specifically interested in works of art for which ratings on multiple dimensions are readily available--for instance, ratings of beauty or of liking that were acquired from a sample of...

18 January 2021 296 5 View

Sharpening algorithm for similar images with different levels of blurring?

Say for arguments sake I have two or more images with different degrees of blurring. Is there an algorithm that can (faithfully) reconstruct the underlying image based in the blurred...

17 January 2021 7,324 3 View

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12 January 2021 173 1 View