How to calculate total flavenoid content?

16 August 2020 5,323 4 View

We are planned to conduct status of communicable disease among health institution in Gondar after COVID 19. what type of study design is appropriate?

anyone who had a tool to assess the above-proposed project please help us?

29 April 2020 1,477 8 View

Is coronavirus able to reinfect Survivors? Any scientific evidence, yet?

According to https://www.worldometers.info/coronavirus/, as of March 23, 2020 (3:00 PM, at GMT+3) About 87% of Corona cases have been reported to completely recover from the disease and got...

22 March 2020 2,122 7 View

How to calculate individual fatty acids in egg GC-FID analysis?

Details of how to quantify each fatty acid contribute to the total. Formula and procedures of calculation and interpretations...

01 January 2020 9,170 3 View

Does anyone know a company that manufactures a continuous pancakes, dosa or kisira making machine that can be used as such or tailermade for injera?

I was wondering if there exists a company that manufactures a continuous pancakes, dosa or kisira making machine that can be used as such or tailermade for injera, an Ethiopian sour bread? Please...

11 July 2019 3,209 3 View

Any good suggestion of materials that help learn R stat for beginners?

I have never used R stat before, because of the requirement of knowing programming language. But apparently, it is the only freely available program for statistics. I used SAS a couple of times. I...

17 April 2019 4,262 8 View

Can phosphate-solubilizing microorganisms (PSM) are available on market? is that possible to cultured them in the laboratory and with what media?

Because, P-solubilization ability of microorganisms is considered to be one of the most important traits associated with plant phosphate nutrition

07 April 2019 633 2 View

How to choose the correct POSCAR for VASP calculation?

Hi I have proposed a low energy structure of (ZnS)6 cluster using genetic algorithm software and prepared POSCAR (1 POSCAR) using VESTA for VASP calculation. But the POSCAR I obtained from...

20 March 2019 7,406 3 View

Is there a strut and tie model (STM) independent of the support plate and loading plate dimensions?

The capacity of the strut and node in the STM depends on the dimensions of the support and loading plates; however, these values are not provided in most of the literature.

18 June 2018 8,652 2 View

What do you do on the first day of class in a college or university?

What do you do on the first day of delivering a course in a university or college to take up your semester on the correct path, and operate your first day of a course into the best learning...

24 December 2017 1,935 3 View

Do you know good and user-friendly programs to measure plant quantitative traits?

For my research i will need to measure plant quantitative traits (especially leaves area and roots length, but would be nice to add some more information). I recently discovered...

01 March 2021 5,035 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

Which microtomy technique do you suggest for thin and delicate root sectioning ?And, how to preserve and process the roots before sectioning?

We have thin roots of from 1 year old different species of plants. We are looking into anatomical details of the roots. What's the best method to preserve and process the roots once they are...

23 February 2021 1,898 1 View

Which root in this tap root system, in the picture attached, should be used for root sectioning in order to study the root anatomical details?

There are numerous roots in this tap root system. Kindly suggest or share a research paper where I can clarify the doubts as to which root should be chosen for sectioning and for further root...

14 February 2021 1,816 3 View

What is the relationship that determines the depth of the mechanical cultivator with the age or size of the weed For crops planted in lines?

the great depth of the cultivator may lead to passage under the roots without killing them and may give negative results to break up the soil below the roots, increasing their activity, especially...

03 February 2021 3,198 7 View

Why do high doses of humic substances inhibit the growth of corn roots? Is there a toxicity effect?

Length, volume, surface area and dry mass of corn roots treated with humic substances increased up to 13 liters per hectare and decreased with higher doses.

02 February 2021 2,190 4 View

Does the subsoil have an effect on the spread of weeds whose roots are more than 35 cm deep?

For weeds whose roots deepen more than the level of subsoil, they may be affected by this layer, for example, determined by height and growth, as well as limited to flower production and seeds.

01 February 2021 1,940 4 View

What is the magnitude of yearly rhizopdeposition in tropical forests?

Hi all, I am trying to find reference values on annual soil rhizodeposition rates for different kinds of forests, with a particular interest for tropical rainforests. Do we have an idea of the...

26 January 2021 4,278 4 View

How to use plant root tissue for experimental analysis?

Hello everyone, I am working basically on plants (hydroponic culture). I want to estimate biochemicals and gene expression pattern of root tissues. My question is that how to harvest the tissues...

20 January 2021 4,443 3 View

How to Extract DNA from dried rhizomes, wood, galls etc. stored for a long time?

Dear Respectable Scientists, I have been trying to extract DNA from above mentioned sources using different CTAB/SDS Buffer Compositions and purifying agents but I am not able to extract DNA from...

12 January 2021 5,899 8 View