How many ratio of simplicia powder : water I should add to make the infusion concentration 100%?

I am doing research to test antibacterial activity using plant leaves that I have mashed. How many ratio I should add between the simplicia and water to get 100% concentration in infusion technique?

06 December 2020 1,010 6 View

How much (sea)salt is needed to stop the turnover of the cold fresh water melting from the "ice"-poles?

The cold fresh water from the poles is going to block the warm water (Gulf) stream (heat transport). There is a theory that salt in water can conduct electricity. So it could start some electric...

19 September 2020 7,712 2 View

How we can calculate k constants for a multi-machine power system using PSAT?

Small signal stability analysis of multi-machine power system using PSAT software

06 August 2020 8,195 3 View

Steps to improve cryoEM helical reconstruction resolution using relion?

Hello all, I am trying to do helical reconstruction for my fibrils. I am at 3D classification steps where I can get the resolution (given by relion) at 3.2 A. The actual resolution is worse I...

28 July 2020 6,266 1 View

Does Covid-19 effect certain parts of the brain?

Dear Colleagues, I like to know if Covid-19 effects the brain in general, depending on person's constitution or has Covid-19 a 'taste' for certain brain areas? Thank you for answering Kind...

27 July 2020 7,159 20 View

Does Aristotle have a term and a theory for what the Scholastics have named "ens rationis" as opposed to "ens reale"?

Scholastics have called "entia rationis" those objects, which do not and cannot exist in reality but only within the mind, such as chimaeras, privations (like blindness), negations...

19 July 2020 4,667 22 View

Human mesenchymal stem cell differentiation issue?

hello, i got a problem in the adipogenesis. The human MSCs were differentiated into adipocte. 10days later, the mutant MSCs and the WT MSCs were red oil stained and QPCR test. But there's a...

13 June 2020 5,169 3 View

Does plastic waste as fiber reinforcement added into NWC will increase/decrease modulus of elasticity and compressive strength of concrete?

I was trying to gather any research which related to my question

10 June 2020 6,498 1 View

Are there contemporary evaluations of US public health system?

I'm looking for a recent evaluation of the US federal efforts to prevent disease outbreaks, specific to the US public health system. I see some old (15-16 yr old) reports, anyone done anything...

06 June 2020 7,396 1 View

RNA extraction methods for virus w/o centrifuge?

20 April 2020 4,990 3 View

How climate change will influences human and animal behavioral change?

The role of climate change influencing the human behavior as well as economics interest

01 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View