How to calculate the volume concentration of a nanofiller in the polymer matrix?

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How to explain very low enthalpy of adsorption in case of CO2 adsorption phenomenon?

On applying the Fruendlich non-linear method on 3 isotherms at different temperatures, the value of Qst obtained is less than 50 j/mole (0.050 kj/mole).

16 December 2023 5,394 1 View

I want to make a solution of nafion binder. What will be the condition and rat if the mixture is ethanol and water. And what if isopropanol and water?

The solution of nafion is for working as a binder on glassy carbon electrode for my material.

02 July 2023 6,146 0 View

Plz help in identifying the compound?

Identify the following compound on the basis of the spectral data UV: 257 nm IR: 1745, 1225, 749, 697 cm-1 Proton NMR (δ): 7.22 (singlet); 5 (singlet); 1.96 (singlet) C13NMR (δ): 172, 130, 40,...

30 May 2023 409 1 View

What are the economical methods to dry the extract into free flowing powder ?

can someone suggest the economical methods to dry the hydro-alcoholic extract, so as to get the free-flowing powder form?

13 March 2022 3,242 3 View

How to run a non-linear equation in SPSS?

Sometimes we need to analyze a non linear equation for some special case. What are the steps to running this statistical test? A nonlinear moderation like the following one: Y = d + a1X + b1M +...

21 January 2022 572 3 View

Which is the best free journal for Pharmacy, included in the Scopus list ?

I'm looking for the journal with no APC in the dept of Pharmaceutical science which should be included in Scopus

11 January 2022 3,068 11 View

Scale on plot disapears after adjustment of the scale in origin pro 9?

I am using Origin lab pro version 9. I am facing a problem with scale. Whenever I adjust scale then scale disappears even in tick label show button is ticked.

24 December 2019 5,925 6 View

How does a sample population be applicable to everyone?

This is out of curiosity, like for example, if I studied a portion of college students in a specific region and study their study habits in relation to their achievements, does it mean that the...

27 August 2019 9,795 4 View

Did anyone work with prostate specific antigen (PSA)?

I have been trying to monitor kinetics of hydrolysis of different substrates with PSA. PSA was purchased from Sigma Aldrich (Cat # 539832). Even after handling PSA with care (on ice, careful...

22 October 2018 334 2 View

I need suggestions to detect my enzyme assay reaction by using HPLC?

Enzyme Reaction Mannose-1-phopsphate + GTP (substrates) Mannose-1-phosphate Guanylyltransferase (enzyme) GDP-mannose + PPi (Products) To prove this enzyme assay by using HPLC, I used GTP as...

05 July 2018 1,390 5 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View

How to increase simulation box size?

We intend to study the interaction between peptides and polymer (like PP, PE and PS) through MD simulations using Martini force fields ( Martini 2 for PP and Martini 3 for PE, PS). We have...

08 August 2024 4,842 0 View

How to heat polymer for about 130° without oil bath ?

is there any other way to heat a polymer evenly other than oil bath if so what are those and how to use it

06 August 2024 947 1 View

Usage of internal standards in LC-MS/MS analysis?

Have you ever seen a LC-MS/MS method uses both internal standards and external standards (in matrix matching purpose) but the concentrations of internal standards are outside the calibration curve...

05 August 2024 3,084 6 View

Request a single Lecture notes for math as detailed as this that I can find in one place?

- The Existence/Uniqueness of Solutions to Higher Order Linear Differential Equations - Higher Order Homogenous Differential Equations - Wronskian Determinants of $n$ Functions - Wronskian...

03 August 2024 2,366 0 View

Tissue homogenization in mouse with FastPrep-24™ 5G - is the D matrix system useful?

I need to lyse and homogenise mouse tissues. So far I have experimented with liver and lung tissue, using matrix D. The liver was completely lysed with 6 repetitions of the standard program, but...

31 July 2024 9,186 0 View

Is it true that science is leaving the era of mathematics and entering the era of matrix mechanics?

We assume this to be true. Science leaves the era of mathematics and enters the era of matrix mechanics and the turning point is the discovery of numerical statistical theory called Cairo...

31 July 2024 3,900 2 View

Help on understanding the implementation of Mori Tanaka method on MATLAB?

I am new to Micromechanics and having similar problem with understanding the implementation of the formula's. I would appreciate if anyone can guide me on how to go about getting a scalar value...

30 July 2024 969 0 View

Abdelkader BOUAZIZ

Dear Mohsina Taj, this RG link may bring help. My Regards

https://www.researchgate.net/publication/286138975_Synthesis_and_Characterization_of_PolypyrroleCarbon_Nanotubes_Composites

H. J. Alesa

https://nanocomposix.com/pages/nanoparticle-volume-mass-and-concentration#target

please follow this website

Mohsina Taj

Thank you Abdelkader BOUAZIZ , H. J. Alesa

Yuri Mirgorod

You have given a good link for aspiring scientists.