H2O2 scavenging activity problem??

When I do the test of plant against the free radicals of H2O2 the control had a value about 0.9126 The critical point is when I prepared the extract with DMSO the absorbance appear more than 2...

09 February 2021 6,430 2 View

Do you think that Covid 19 and 20 have contributed to silencing most of the world's problems?

Covid 19 and 20

25 December 2020 1,479 2 View

Which form of tryptophan and tyrosine is highly soluble in water?

The solubility of tryptophan and tyrosine in water is low. Is there a very highly soluble structurally similar or derivatives of these amino acids I can use? it doesn't matter if it is...

20 December 2020 3,157 3 View

Differnce in brain structure or function in faller versus non-faller older adults?

I am looking forward to an article that addressed the difference between anatomy or physiology of the brain in faller versus non-faller older adults.

06 April 2020 2,165 5 View

How to stabilize silver nanoparticles using the plant extract?

Can anybody help me to maintain these nanoparticles for longer periods and how to dry without disrupting the stability? I have synthesized silver nanoparticles using green synthesis methods using...

12 March 2020 3,082 3 View

What are the criterion for selecting switching frequency in a power electronic converter?

Switching frequency is usually a free parameter in power electronic converter designs. Some example criterion can be: 1 - Resonance frequency or soft-switching criterion 2 - Efficiency...

06 November 2019 4,162 16 View

How to modifie TiO2 NP to be hydrophil?

I have TiO2 Nps and I have to disperse them in water, but they are not stable. I am trying to use citric acid as modifier to change surface properties of TiO2, but I don't know how and I didn't...

21 July 2019 5,304 3 View

Mineral percentage in XRD?

Dear All I have a carbonate rock and XRD analysis shows the type of minerals in it. but how can I measure the percentage of each mineral with XRD peaks?

15 April 2019 8,295 5 View

How can I use Artificial Bee Colony(ABC) Algorithm or other algorithm for feature selection ?

How can i use Artificial Bee Colony(ABC) Algorithm or other algorithms for feature selection ?

30 November 2018 7,651 9 View

Do Fe3o4@TiO2 and Fe3o4@ZnO core/shell Nanocomposites stable and dispersible in a water solution?

stability and dispersion of these nanocomposite in a solution like brine water are under question. how much time it takes to collapse? I mean agglomeration of particles. I want a solution or...

03 November 2018 4,281 7 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

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 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

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How to prevent ANFIS Model from negative prediction values in MATLAB?

I have input and output data set for "ANFIS modeling in MATLAB", and I am getting some negative predicted values of output in testing. However, the predicted values of output in training are...

28 February 2021 3,459 3 View