Which method is the most suitable for determination of LD50 of a plant extract?

As we have different methods for the determination of LD50 of a plant extract, such as OECD (up and down method), Lorke method, probit method, etc., so, which one among them is most suitable that...

25 September 2020 4,460 2 View

What happen if I run native protein under denaturing PAGE? Will the size larger than expected?

Hai. I break the cells containing my expressed protein (r-msAdh1) using non - denaturing lysis buffer. Then I run 10 uL lysate under denaturing polyarylamide gel (SDS-PAGE). But I observed that my...

12 March 2020 2,288 9 View

Chitosan is soluble in acetic acid and hydrochloric acid but in soluble in sulfuric acid what could be the posible reason apart from the Pka isue?

i wanted to relate the solubility of chitosan to its structure. because some researchers are relating the solubility of chitosan on the basic of the intra- and itra-melecular molecular hydrogen...

07 September 2019 3,074 2 View

What is the integral of the following Bessel functions?

The integral equations is in the uploaded file in .docx

21 April 2019 5,728 4 View

How can I calculate/determine protein purity after running SDS-PAGE and staining with CBB?

I am writing a report and I am supposed to determine the purity of the protein sample? Samples were ran on SDS-PAGE and stained with CBB. Using the Rf value and plotting a standard curve, I was...

02 January 2019 179 3 View

Machine learning or Evolutionary Algorithm?

I have one question regarding the Machine learning (ML) /Evolutionary Algorithm(EA) method. One of my research objectives is to develop new equation taking as a starting point the pool of...

16 October 2017 8,730 4 View

Which reference gene is suitable for normalizing miRNA measurement in serum samples?

Which reference gene is suitable for normalizing miRNA measurement in serum samples?

07 October 2017 2,277 3 View

If the phenolic or flavonoids compounds increased by applying the treatment under stress condition ,is it beneficial for the plant growth ?

19 October 2016 9,034 6 View

If the Na+ /K+ ratio decreased by applying the treatment ,is it beneficial for the plant growth and development always?

05 October 2016 1,771 6 View

What is the procedure of using High Performance Liquid Chromatography analysis machine?

I want to analyse concentration of lovastatin in the fermented rice straw extract.

01 June 2016 8,269 3 View

What is Nano technology with coronavirus helpe the human..and is it nano mterals removal of covid19?

I anwar by adsorption or reaction ..but it is either more method...

02 March 2021 4,811 2 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Discrete Phase model (DPM) particle break-up has particle size limits during particle tracking?

Hello, I am currently working on simulating water droplet partciles in a closed room. When I use uniform particles, without "particle break-up", I can carry out the simulation without any problem....

02 March 2021 3,053 2 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Zno nano particles colour changed from white to grey in process of calcination any suggestions?

In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...

26 February 2021 2,435 4 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

Alternative to mediation analysis?

I am currently working on my dissertation and want to explore the role of competence as a mediator between the effect of colour of clothes on voting intention (focus on Western countries)....

21 February 2021 8,609 1 View

Color of spiro-ometad film?

What does the color of a spiro-ometad film indicate? I got purple, green, red, even black color of the spiro film. Is there anything we can get from the preliminary color analysis(e.g. oxidation...

21 February 2021 1,831 4 View