How can I make a center of mass vs time graph?

I have a trajectory file of about 1000 frames which I have calculated a center of mass for each frame. I would like to use the first frame as a reference and see how much the center of mass...

04 February 2021 5,774 1 View

How to regenerate PES Membrane of centrifugal filtration tubes having 5 and 50kDa MWCO?

Dear Collegues, I am using a relevant number of centrifugal filtration tubes made of polyethersulfone (PES) with 2 different MWCO, 5 and 50kDa for separation of protein in milk. They are quite...

15 December 2020 7,951 3 View

Does anyone know papers that use large databases of abundance of different groups of species?

03 October 2020 2,506 4 View

There seems to be a double me?

You keep recommending that I invite a Ruben C. Gur to join. That person is me. Do I have two accounts or is something messed up in your database? Is someone else getting credit for my research or...

06 September 2020 2,374 5 View

How do I avoid from getting fatal error message when running Amber?

Welcome to antechamber 17.3: molecular input file processor. acdoctor mode is on: check and diagnosis problems in the input file. -- Check Format for pdb File -- Status: pass -- Check Unusual...

17 August 2020 7,046 3 View

Do you think that COVID-19 will make small countries in Eurasia to pivot to China?

It seems that Asia is doing better in countering COVID-19 than "traditional" great powers. Do you think this will make small countries in Eurasia to pivot to China?

11 May 2020 2,847 10 View

What is the effect of Coronavirus on the world order?

What do you think, how Coronavirus will reshape the transforming world order?

24 March 2020 742 24 View

What is the most effective way for you to run online classes?

Because of the Caronavirus I am running my classes online. In this regard I am wondering if you have that kind of experience and what is the most acceptable app/method for you. Thank you in advance

13 March 2020 9,580 49 View

Why does my PCR not show whether my mice are homozygous or heterozygous for a floxed gene?

So, I am trying to determine whether my mice are homozygous or heterozygous for a floxed gene. I ordered the primers specified by the company which developed the mice and they amplify a 301 bp...

10 March 2020 9,740 4 View

When you recommend to cut the heart in a murine models of heart failure?

Good evening everybody, I am working on a model of acute heart failure and I am planning to analyse heat shock proteins (western blot) in the right and the left ventricle. The mouse heart is very...

03 June 2019 7,528 5 View

Are there any papers that deal with the effects of climate change on the pollination in Tropical orchids?

There are a few papers dealing with the effects of climate change on the pollination of European orchids, but I wonder if similar studies have been carried out in the Tropics.

04 February 2021 1,818 4 View

Does the subsoil have an effect on the spread of weeds whose roots are more than 35 cm deep?

For weeds whose roots deepen more than the level of subsoil, they may be affected by this layer, for example, determined by height and growth, as well as limited to flower production and seeds.

01 February 2021 1,940 4 View

If someone has the pdf file of below mentioned reseach paper?

14 December 2020 5,935 3 View

R script statistics - Effect of 2 variables on another?

There is data about the location and characteristics of plots of Oilseed Rape on several farms, as well as the relative abundance of different pollinator species counted at each plot. The...

25 November 2020 3,203 1 View

Is there a database of photos with insect pollinators on flowers of plants?

I would like to know if there is a database of photos with insect pollinators on flowers. The insects must be located on flowers of plants. I am interested in pollinators encountered in Europe,...

04 November 2020 2,219 6 View

What are your suggestions for getting a clear classification for orchids that can be easy for clear orientation?

Many books have been published containing pictures and measurements and nomenclatures for orchids. Looking at those pictures is something that confuse a lot getting you crazy. You can not...

07 October 2020 9,643 3 View

Can anybody identify and advise on holoparasitic plants living inside cacti?

Four cacti in our conservatory carry holoparasitic plants inside them which have flowered or are still flowering this year. They appear to be two species. Can anybody answer these questions: -...

24 September 2020 9,749 3 View

Is this typical lymphocyte, the flower cells?

21 September 2020 4,107 3 View

Why these trees flowering only on one side?

Can any Plant Biologists give an explanation as well as introduce me the related literature explaning why these trees flowering only on one side of tree? The effector is light, temperature or what...

25 August 2020 4,107 3 View

What is a good "analyte-free" method blank to use in cannabis testing?

I am looking for a method blank which I can use in the heavy metals, terpene, solvents, cannabinoid, pesticide, and microbial analyses I do in my analytical lab on cannabis samples. I have tried...

18 August 2020 320 1 View