What's the best method for spectrophotometric determination of arsenic in plant samples?

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How to visualize stress in a coating defined by "Skin" in Abaqus?

Hello All! I'm trying to model a contact between a coated substrate and a tip in Abaqus. The coating is ultra-thin compared to the geometry of the substrate. So I defined the coating using the...

16 February 2021 1,594 3 View

Is a Strong correlation between the Moderator variable and the dependent variable an issue for moderation model (model 1) in Hayes PROCESS?

In a typical moderation model with one moderator, is it a problem if the moderator and the dependent variable show a strong correlation (say 0.85)? What if a strong correlation exists between the...

27 January 2021 4,937 4 View

Which syringe filters (e.g., PTFE, MCE, PVDF, CA, PES, etc.) are the best to filter TBS/PBS buffer (pH 7.5-8.5) and glycine buffer (pH 2-3) solutions?

I intend to purify antibodies from serum using the affinity procedure, and I need to filter the binding (TBS/PBS) and elution (Glycine) buffers before applying them to my solution.

06 January 2021 5,769 3 View

Gear reduction for back-drivability of a motor?

Hi everyone, Does anyone know up to what reduction ratio of gear does a motor remain back-drivable? I want my robot to have safe interactions with the environment and other humans. Can you give a...

26 December 2020 7,142 3 View

How to export DigSilent Plots with high quality?

Hi all; I've started using DigSilent these days. However, I'm wondering how can I export the results with high quality the same as MATLAB plots as I currently do. Thanks

19 December 2020 2,666 2 View

How to assign initial stress to a coating in Abaqus?

Hello! I am trying to define/assign initial stress to a coating I modeled on a substrate. I defined the coating using "skin" function. I have tried "predefine filed" in load section. But it only...

10 December 2020 2,921 8 View

How to model a multilayer coating in ABAQUS?

Hello! I'm trying to model a multi-layer coating on a substrate in abaqus. The layers are homogenous and isotropic. My question is how should I approach the modeling? WHAT I'VE TRIED SO FAR: I...

09 December 2020 1,235 3 View

How can I calculate Nusselt number by using this equation (Nu = ht.gradTx * nx + ht.gradTy * ny + ht.gradTz * nz) step by step in COMSOL?

Calculate the Nusselt number using the COMSOL Program

09 December 2020 3,354 3 View

How to calculate sulfur loading of lithium -sulfur batteries using Li2S8 catholyte?

I am gonna use Li2S8 catholyte to introduce active material to cathode instead of using sulfur. May anybody kindly guide me about the way I can calculate the amount of sulfur (g/cm2) loaded on the...

07 December 2020 7,556 2 View

How to great data visualization and what example for it ?

i need explain data visualization and what type it and how great it by excel or other program > paper attached for help

30 November 2020 1,159 2 View

Is there a powerful system for the security of the systems distributed on IoT systems?

02 March 2021 3,858 10 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Do anyone here can help us in the field of molecular docking?

We have synthesized various metal complexes with different environment around the metals. Now to see the application of synthesized complexes we need this study also. we are also interested in...

01 March 2021 1,899 2 View

How to simultaneously perform multiple biochemical assays?

I am a research scholar working on heavy metal stress on plants. I will be doing biochemical characterisation( protein, carbohydrate, proline, antioxidant enzymes and many more assays) at interval...

01 March 2021 6,999 3 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

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

Is there anyone who experienced with cytotoxic effect of Hoescht 33342 dye?

Is Hoechst toxic to cells? In general, it is known as non-toxic. I am working with dsRED MDA-MB-231 cell line. I applied it for my PDMS-based microfluidic platform, for this reason, I incubated...

26 February 2021 9,119 3 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How to calculate battery consumption for IoT device?

Hi, everyone I'm working on a privacy-preserving algorithm that will apply to IoT devices. So, I need to measure the power consumption by implementing this algorithm. Any suggestion, advice,...

25 February 2021 8,749 6 View

Enrique Lozano-Bilbao

Hello Mahdi Yousofinia, the technique with the ICP-OES is very good for Arsenic, as long as the samples have been treated with acid digestion, the procedure is the same as for the Hg I attach a paper

Article Mercury content in intertidal algae from La Caleta de Interi...

Sabwa Fednand

Hello, HG-AAS is good for determination of Arsenic especially if it's in low concentrations. it has better sensitivity.