18 Questions 23 Answers 0 Followers
Questions related from Saif Ali
How we can calculate IC50 in Nonlinear relationship as in this graph
25 September 2023 947 1 View
How we can calculate IC50 in this case ( y=.0061x+94.715 )? it will come in negative
20 September 2023 3,844 2 View
Is the high concentration of AgNO3 solution like 0.05 used for synthesizing green silver nanoparticles effect in synthesis of green Ag NPs using plant extract as a RA?
08 September 2023 5,589 1 View
For characterization of the phytochemical in plant extract, should I do first GC-MS LC-MS then TLC or i start in TLC then GC-MS and LC-MS?
24 August 2023 4,860 1 View
In green NPs is the biological activity of come from the phytochemical or from metal NPs or from both and can we use the NPs as a delivery for for the phytochemical that coming from plant to the...
09 August 2023 3,969 1 View
Which one less toxic and good as antimicrobial of all these. green NPs: Ag NPs , ZnO NPs , FeONPs , CuO NPs. which synthesis using plant extract as a reducing agent
26 July 2023 6,559 3 View
Could I use O-nitro- phenyl-a-D-glucopyranoside or maltose instead p-nitrophenyl-a-D-glucopyranoside as a substrate in a-glucosidase inhibition by plant extract?
23 July 2023 1,581 2 View
Which method better to extract the phytochemical from plant by different solvents starting from non polar solvent to high polar (Solid- Liquid Extraction) or do extraction first in 80 MeOH then...
19 July 2023 4,122 7 View
I am working in my PhD about one medicinal plant doing extraction and isolation the phytochemical and check their biological activities and the last objective of my work Biosynthesis of ZnO...
24 May 2023 4,344 3 View
How can I prepare samples for GC-MS from plant extracts (Petroleum ether, CHCl3 and Methanol)?
02 April 2023 8,967 0 View
Which standard should I use to do HPLC to crude plant extraction, can I run HPLC without a standard?
30 March 2023 2,222 3 View
How can I remove the pigments from the dry plant before the phytochemicals extraction because the color of the pigments does not make me see the zone of inhibition in the antimicrobial bioassay?
16 March 2023 5,125 3 View
I did extraction of plant and i got crude extraction for petroleum ether, Chloroform, and methanol and I want to check the antibacterial activity for these three extractions. should I prepare...
28 January 2023 7,267 9 View
01 January 1970 9,085 2 View
01 January 1970 5,788 6 View
I want to estimate phenol in methanol crude extract and I dissolve 1 mg/ml of crude extract as a sample then i took 500 μL of it then add 100 μL of FC (50%) reagent then add 500 μ of 20% Na2CO3...
01 January 1970 8,937 4 View
Which one better to start extraction with methanol first to obtain the crude extract, the we dissolve it in water and do partition it with , CHCl3 , ethyl acetate, PE and latter hexane or start...
01 January 1970 245 2 View
What is the preferable option for synthesizing green nanoparticles: using fresh leaves or dried leaves?
01 January 1970 9,007 7 View
