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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 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

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 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