Do you know anything about cohesive liquid in sumach stem(when is cut)?
for example some bee can recognize some gums on plants and can know them from other kinds of gum
09 October 2016 2,912 7 View
some traditional material are obtained from dodder, orbanch, etc. are these things change by changing host?
07 August 2016 3,816 0 View
we know each variety lose some characters during years. some of these traits are very important for us, such as yield, essence, resistance to pests, etc. how long are these characters fix?
07 August 2016 4,747 6 View
fungi, pests, dodder, etc can change quality /quantity of substances? how much? always, are these changes negative?
07 August 2016 5,051 0 View
what is price of leech?
31 December 2015 8,154 3 View
i need scientific and modern method.
31 December 2015 8,980 3 View
carnelian, onyx and agate and other valuable minerals, has positive effect on our health. traditionally. do you agree. is there any scientific study?
31 December 2015 2,481 3 View
"250000-300000 species" is correct?and what about cultivars/varieties?
10 November 2015 9,279 2 View
Herbal and orthodox medicine
10 November 2015 2,408 3 View
can we provide a descriptor for essential oils color in one family/genus?
08 September 2015 5,859 0 View
What are the emerging trends and opportunities for STEM education and careers in the online space?
10 August 2024 507 0 View
I need to do some experiment with it in liquid form.
07 August 2024 613 3 View
I am trying to recover liquid CO2 from a mixture of 0.6 CO2, 0.3 N2, and 0.1 O2. My aim is to recover about 99% liquid CO2 at the bottom of the column and make sure the amount of gaseous CO2...
06 August 2024 4,611 0 View
I have prepared a liquid broth containing Yeast (S. Cerevisiae) that i need to add from it to fermentation media of lignocellulosic hydrolysate. I need to know based on what parameters do we add...
06 August 2024 662 1 View
What is the best way to freeze the rat brain - liquid nitrogen, Dry ice , isopentane - after isolation for later protein investigation by Elisa?
01 August 2024 1,722 1 View
Can we conduct DFT studies for Ionic Liquids with Amines at various concentrations? If so, how can we proceed with these studies? Additionally, what parameters, besides IR, NMR, and HOMO-LUMO, can...
18 July 2024 319 1 View
Our lab has some radioactive cell samples that need to be kept frozen for at least 30 days before flow analysis. For some reason, the samples stored in liquid nitrogen did not perform as well as...
15 July 2024 9,975 1 View
Studying a specific monogenetic disease based on mutations in different individual genes. I try to recreate the disease phenotypes of donors in vitro. I knocked out a gene x with above 90%...
12 July 2024 6,313 0 View
Hi. I have brightfield images of stem cells. I need to count the total number of cells/image. Some cells are individual and some cells are in colonies. Using average cross-sectional area of...
05 July 2024 4,197 1 View
I synthesized some paramagnetic cobalt and nickel complexes (expected to be Co(II) and Ni(II)) using a bidentate ligand - N of pyridine ring (aromatic) and O of P=O (aliphatic), and I obtained...
03 July 2024 3,410 4 View