Is it possible to elucidate the structure of melanin pigments with Cryo-electron microscopy?

Dear Colleagues Melanins are heterogeneous polymeric natural pigments and these pigments are widely distributed in nature from bacteria to humans. Today, although the structure of other organic...

18 January 2021 8,792 2 View

SEIQR ODEs COVID-19 Model to do the Stability and control for our state/ province?

Dear sir/madam! I'm a final semester student in BS Mathematics and my research interest is in Mathematical Biology. Would you like to provide me the best SEIQR ODEs model for stability and optimal...

10 May 2020 8,733 11 View

Harvard University first higher education institute of USA is state owned but kept secret or really private foundation institute?

Is there any country in the world having its first university being private ? Every first university has to be state owned.Harvard University can it be really private foundation university or...

30 January 2020 7,501 3 View

Why US universities have many compulsory humanities courses to students majoring in STEM?

Is it really necessary to teach unscientific knowledges of humanities to STEM students ? In Europe such as UK, Germany, France etc STEM students just learn their related STEM courses so that they...

09 October 2019 5,114 3 View

Is quantum mechanics also related to philosophy other than physics ?

Since there is wave-particle duality, double slit experiment, Heisenberg's uncertainity, Schrodinger's electron probability formula, photon entaglement with more than speed of light, too many...

25 September 2019 9,324 2 View

Treatment of Vitiligo?

Please let me know that is there a complete and successful treatment of Vitiligo invented scientifically? A treatment which people can use to save their skin from a white dots and patches? If no,...

29 June 2019 8,759 7 View

Which free simulation software can I use for modelling the railway freight capacity for a single track primitive railway route?

I would like to determine to calculate the railway capacity for shuttle train movements.

26 December 2018 3,701 3 View

DNA concentration in RNA sample for qPCR?

17 June 2018 1,084 8 View

How can I calculate the attenuation of visible or near-infrared light due to a single water drop in the millimeter range?

Wavelength is small compared to the particle size! For Mie theory: Extinction paradox, the scattered power is larger than the power incident on the drop. Experimental setup: Water drop is...

19 November 2017 203 4 View

RNA extraction problem?

31 October 2016 5,369 7 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

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

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

What is Flat Lens Antenna?

28 February 2021 5,433 3 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

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

How to determine implicit ontological and epistemological stance?

I am hoping for some guidance and additional reading material that will assist me in determining ontological and epistemological stance when not explicitly detailed within the research. Here is...

26 February 2021 227 5 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