Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Cloudy/high background western blot - can anyone help me?

Hi everyone! I try to detect VDR protein (~48 kDa) using Western Blot. After SDS-PAGE using 10% MP TGX Stain-Free Gel from BioRad I transferred the protein onto an metOH activated PVDF membrane...

23 February 2021 6,266 3 View

Which variables can be used to increase/decrease the grain size of czochralski-grown polycrystalline silicon?

Which variables (such as pull speed, melt temperature, annealing temperature/duration, cooling rate, etc.) affect the grain size of czochralski-grown polycrystalline silicon? In what direction...

10 January 2021 2,204 6 View

How do I justify the use of fish scales to synthesize a nano filter?

Good day. I am doing a studu on the use of fish scales to create a nano filter. This is aimed at potentially solving the face mask problem brought about the pandemic. This is what I know so...

09 January 2021 8,907 5 View

Calculating Intercoder Reliability for 3 coders with 7 categories across 6 texts?

How would you calculate inter-coder reliability (Kappa coefficient?) for the following scenario: 6 texts coded across 7 categories (codes) by 3 coders?

23 December 2020 2,324 3 View

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10 October 2020 3,407 2 View

Do you agree that one of the advantages of the Boundary Element Method is that it easily addresses Incompressible Materials (Poisson's Ratio = 0.50)?

When modeling incompressible materials via the Finite Element Method (FEM), typically the plane formulation that is displacement based fails when Poission's Ratio = 0.50, which is a standard...

08 October 2020 7,058 1 View

Recommended analysis for an ANCOVA-like problem with binary variables for dependent variable and covariate?

What is your recommended analysis for the following problem: I have 3 (treatment) groups and a non-randomized pre-post design. I want analyze the effects of the groups on the follow-up measure,...

28 September 2020 5,890 4 View

No title

18 August 2020 3,955 11 View

Are there any test methods for butterflies or other arthropod pollinator besides bees?

In the current EFSA Guidance on the risk assessment of plant protection products on bees (Apis mellifera, Bombus spp. and solitary bees) related to the Regulation (EC) 1107/2009 valid test methods...

26 March 2020 1,178 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

Would fecal samples stored at -20C for over a year impact metagenomic analysis?

Dear All, I have access to some rodent fecal samples that have been stored at -20C instead of -80C. Anyone have experience with the impact of stowage condition on comparative metagenomic analysis...

01 March 2021 2,512 1 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

Is IMPACT FACTOR justified in case of Taxonomy?

There is huge pressure of getting good impact factor on scholars now a days. On the other hand Taxonomy is a very dry subject and the concerned papers can only get citation in same group of organism.

26 February 2021 5,851 1 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