How can I keep fresh plant material for enzyme and phytohormone assays and gene extraction?

Greetings, I have to transport fresh vegetable matter for enzymes and phytohormones assay and gene extraction in a laboratory far from my laboratory, so how to keep this vegetable matter in its...

09 October 2019 10,044 5 View

What's the best method to inoculate seeds by PGPR?

I m doing a studies about the effects of PGPR on seeds and plants developing, by inoculation, so what's the best way to inoculates seeds by bacteria! Thank you

11 December 2018 3,525 0 View

What are the extraction and dosing techniques for bacterial osmoprotectants?

Greetings, I'm searching for methods to extract and dosing some of bacterial osmoprotectant such as ectoin and betaine glycine and proline from bacteria Thank you

11 December 2018 7,824 0 View

How find the same Osmotic pressure of two solutions of NaCl and PEG 6000 ?

I need to find the same osmotic effect (pressure) on a plant or seed exerted by two solutions one contained Nacl and other PEG 6000 ! how can i find the equivalence between NaCl and PEG 6000...

02 March 2018 7,345 7 View

Does the disinfection of the soil make him lose these characteristics?

I need to work with disinfected soil, does putting this soil in an autoclave make it lose these characteristics? Is there any other techniques to obtain disinfected soil, without any microorganism?

31 December 2017 4,893 15 View

What's the best software to compare?

31 December 2015 5,650 0 View

Why don't we use colchicine to kill directly tumors instead of starving these cells?

11 December 2014 8,687 11 View

I'm looking for a protocol to stain and view chromosomes in metaphase?

I'm looking for a protocol for viewing - under a microscope - the chromosomes in metaphase stage, in a plant root after seed germination.

05 June 2014 2,039 8 View

Can we regenerate human organs?

Plants and some animals are characterized by the system of regeneration and repair of damage in their bodies. Is it possible to use this feature for regeneration of human organs and regenerated...

04 May 2014 4,324 10 View

What is the best culture medium used in the in vitro culture of zygotic embryos of plants?

I already used the MS medium culture, and I had an induction of callus, and I want to try another culture medium if possible.

03 April 2014 7,537 7 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Does different dilution factors affect negatively on NH3 reading ?

I have a sample of treated water sample & asked to obtain ammonia conc. in sample using a machine with 5-25 ppm detection range. However, upon testing with different dilution factors, all...

27 February 2021 8,483 3 View

How can I assign a velocity along one direction to CO2 molecules in a molecular dynamics simulation using GROMACS?

Dear all, I am trying to perform a MD simulation about the interaction between CO2 and a polymer. I create my model, solvate it and perform the NVT and NPT equilibration. Now I am not able to...

26 February 2021 10,014 3 View

How relevant is Mini slump cone?

for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...

26 February 2021 3,668 1 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

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View