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

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 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

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 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

Do you know good and user-friendly programs to measure plant quantitative traits?

For my research i will need to measure plant quantitative traits (especially leaves area and roots length, but would be nice to add some more information). I recently discovered...

01 March 2021 5,035 2 View

Any suggestions for a website that allows you to create questionnaires and gather unlimited data (Totally free)?

I have found only four of them; www.surveyplanet.com www.online-anket.gen.tr www.surveey.com and of course google forms. Expecting to see your suggestions if there is any. Thank you

28 February 2021 3,237 3 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

Which is better medicine or food in obesity?

Preference in terms of the scientific aspect

28 February 2021 796 2 View

Where can I find public datasets with Covid-19 patient information?

Hi, I'm looking for public datasets that have CT, X-ray information, or medical records for patients with Covid-19. Does anyone have suggestions?

28 February 2021 4,760 3 View