what is exact meaning of antigiardial?
While calculating the % yield of plant extract and fractions via liquid liquid partitioning, we divide actual extract yield by expected yield, How expected/theoretical/quantitative yield is...
11 December 2015 9,017 3 View
Generally we test all the organic fractions in search of activity based compound (e.g. for pesticidal activity we generally prepare organic fractions for different plant parts and select the most...
08 September 2015 771 2 View
Can anybody brief about or recommend a good document related to application of whole metabole analysis of certain plant, say for example any asteraceae member through LC/MS? What kind of...
05 June 2015 1,933 0 View
Methanol is polar, organic solvent. According to rule 'like dissolves like', this can extract organic, polar phytochemicals. Then why we extract our plant material initially with methanol and then...
02 March 2015 2,503 2 View
Botanists usually collect different plant parts, dry it and convert that into powder form for the extraction in different solvents. Why is intact fresh material not used for extractions?
01 February 2015 5,764 16 View
If somebody wants to assess the phytodiversity loss due to plant invasions, is the use of diversity and richness indices of invaded and non invaded sites and their comparison enough for a...
01 February 2015 6,004 3 View
If some one wants to check certain activity, say for example antimicrobial, for 4 or 5 different plants with aim to perform chemical characterization for plant showing highest activity, is this...
31 December 2014 7,378 13 View
I have tested different organic fractions of crude methanol extract of Parthenium hysterophorus leaves. Ethyl acetate fraction showed highest toxic activity. Now I would like to find out the most...
31 December 2014 8,169 4 View
Are Jaccard’s Similarity Index (JSI) and Sorenson’s Similarity Index (SSI) enough and reliable parameters for authentic comparison of plant community structures at two sites? If there are others...
11 December 2014 3,482 11 View
Plant material is normally extracted after shade drying and grinding. Pulverized material is then extracted through different techniques like cold maceration or through soxhlet apparatus. If...
11 December 2014 2,762 10 View
I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...
08 August 2024 8,329 0 View
How do soil microflora interact with plant roots and influence plant nutrition, health, and productivity?
06 August 2024 9,618 3 View
How do soil microbes affect plant health and productivity and how do plants interact with soil microorganisms and contribute to soil fertility?
31 July 2024 5,087 4 View
What is the role of decomposers in the cycling of matter in the biosphere and role do soil microbes play in plant nutrition availability and uptake?
31 July 2024 7,921 5 View
How microorganisms are important for maintaining of healthy soil and biodiversity and microorganisms and plant roots contribute to soil formation?
31 July 2024 8,939 5 View
I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...
30 July 2024 6,420 1 View
Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...
27 July 2024 5,748 0 View
Understand how to utilize biosynthesis to develop natural and sustainable solutions to address heavy metal pollution and improve environmental and agricultural conditions.
26 July 2024 1,469 1 View
It has been long known that EDC carbodiimide and NHS easter's half life agains hydrolysis are highly related to pH. However, very surprisingly, not yet found a paper giving a table/chart of their...
25 July 2024 8,738 0 View
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24 July 2024 1,559 1 View
