Are ZnS nanoparticles moisture sensitive?

Hello Everyone, I tried to form ZnS nanoparticles using the hot injection method and was able to form the same (confirmed by XRD). When I centrifuged, after the reaction I got a kind of white...

17 February 2021 1,709 3 View

Which kind of validity should e established in case we want to conduct a survey using newly developed survey questionnaire?

I am conducting a survey using self developed questionnaire. I have established its face validity and content validity. Some expert reviewer has suggested I must establish the validity by...

11 February 2021 2,077 3 View

How to calculate width and length of the tapered microstrip line feed of a SIW leaky wave antenna?

With reference to substrate integrated waveguide -leaky wave antenna

26 December 2020 3,982 2 View

Sample does no retain in the well while doing NATIVE Gel electrophoresis?

While doing NATIVE-Gel electrophoresis with electrophoresis buffer containing 25mM Tris, 192 mM glycine, and rest water if the sample being loaded is dissolved in methanol it won't remain in the...

15 December 2020 4,999 3 View

How to identify and quantify glauconite and illite/other mica present in same sample from XRD analysis?

In glauconite bearing sand stone sample other mica group minerals(illite, muscovite etc.) are also present. I want to quantify the amount of glauconite and othermica group minerals. How, I can...

10 December 2020 5,793 19 View

Collaborating VS contributing Authorship?

Can you help me to understand the significance of the difference between collaborating and contributing authorship (eg, GBD)? Do they put similar weightage to University applicant assessors?

29 October 2020 4,443 3 View

How to prevent leaks in Swagelok fittings?

I am carrying out a liquefaction reaction inside a 2.5mL volume reactor made of Swagelok fittings (one SS 3/4" STRAIGHT UNION with two SS 3/4" PLUGS FOR FITTING). After adding the substrate...

11 August 2020 4,211 2 View

How to prevent lignin condensation during biomass fractionation?

10 August 2020 4,936 1 View

How the Natural Language processing successful without knowledge of sense behind the letters and numbers ?

We don't know the source of letters and numbers on which these symbols are constructed . Although human used the guts feelings at the time of using because our ancestors developed these symbols...

01 August 2020 2,148 4 View

How to add attenuation model and spectral ordinate in R-CRISIS?

Hi Everyone I am using R-CRISIS for seismic hazard map creation. I know how to use the given attenuation model in R-CRISIS but I want to use an attenuation model from a published article. How to...

23 July 2020 5,265 1 View

How to formulate Energy minimization in Molecular dynamics simulation for alloys using meam potential?

during MD simulation, the atoms are not moving as per required. The problem (as per my observation) lies in energy minimization technique. upon application of tensile strain in x or y direction,...

22 February 2021 380 5 View

Formulate model for one integer optimization?

I am working on one optimization problem. the model with two states, the transition between the two states based on one threshold value (L = 5, which L< 5 -> Normal state, L== 5 ->...

11 February 2021 4,045 3 View

Anyone knows about how to stop pH getting acidic after 7 days formulating the formulation?

i am trying to formulating one formulation but the problem i am facing is after formulating and adjusting it's pH, when i try to check pH after 7 days it is getting down towards the acidic side....

02 February 2021 9,343 3 View

What could be possible reason of higher Drug Concentration of Liposomal formulation stability samples over time?

Hello Everyone! I have prepared liposomal formulation using Rotary Evaporator method followed by dialyzed the liposomal Suspension in Phosphate buffer to remove the un-encapsulated drug. After...

25 January 2021 7,752 4 View

Guide to getting started with semi-solid formulations?

Hello everyone. I'm a pharmaceutical scientist whose experience is exclusively in solid dosage form. I'm starting a project that involves a semi-solid (cream) formulation, but I can't find a lot...

24 January 2021 4,055 3 View

Any HPLC validated method available to separate tricholine citrate and cyproheptadine hydrochloride from any formulation?

Need to have a validated, stable method to separate tricholine citrate and cyproheptadine hydrochloride from a syrup formulation.

20 January 2021 4,216 2 View

Is it easy to handle discontinuities in objective function with mathematical optimization?

Mathematical programming is the best optimization tool with many years of strong theoretical background. Also, it is demonstrated that it can solve complex optimization problems on the scale of...

07 January 2021 8,757 22 View

What if design and develop some mechanism to eradicate the triggers to achieve data accuracy and achieve assured results?

The realistic approach to identify the exact choices and or preferences is quite difficult seems due to multiple unrealistic profiteering triggers applied to confuse and deviate the end-users from...

25 December 2020 8,304 1 View

How to formulate the dynamics of the body of a legged robot(quadruped/hexapod) ?

I need to formulate the lagrangian dynamic equations for the hexapod robot's body. The body will constitute 6 DoF, which is 3 linear and 3 angular. I have the coordinates of each corner of the...

24 December 2020 1,222 1 View

Is there a paper summarising optimisation techniques and their properties such as convergence speeds ?

I am looking for a document that summarises mathematical results for optimisation techniques : steepest descent, newton and quasi-Newton, their convergence speed in different settings...

19 December 2020 2,908 8 View