I'm working on the use of DPPH in the biological system, I need o dissolve DPPH in buffer system , but DPPH is soluble in methanol and not soluble in aqueous solutions . how can I dissolve it.
I'm trying to use new organic compounds as a remedy for sperm membrane injury, I want to use lysosomes as delivering vehicles? can any one give me an easy method for liposome preparation?
03 April 2018 1,567 3 View
I use Aebi method in the assay of catalase, but i have a problem : the absorbency is unstable which mean that the numbers increase and decrease rapidly.
10 November 2015 2,902 34 View
I want an rapid and easy staining method for determining sperm morphology.
09 October 2015 2,961 5 View
I want to do my experiment o male infertility via inducing it in mice, what is the chemical method for inducing infertility.
08 September 2015 8,009 14 View
I need a free program or a method for determination of IC50 in DPPH method of antioxidant assay.
08 September 2015 3,897 2 View
I need to assay lipid conjugated dienes in food sample using UV derivative spectroscopy? I have no any information about how to do it?
03 April 2015 4,445 2 View
See above
08 September 2014 5,995 9 View
I used Aebi method foe CATALASE assay but the equation result is reaction rate (K), how I can convert it to international unit.
08 September 2014 5,854 0 View
in the estimation of Catalase the method assay K value, what is the equation to convert it ti IU.
06 July 2014 2,569 0 View
Assay of COX inhibition ability of plant extracts.
05 June 2014 10,200 0 View
Does anyone tried to do nucleofection with AMAXA by Lonza with lower than recommended amount of buffer in the cuvettes (100 ul)?
07 August 2024 4,616 0 View
Currently, when I run SDS-PAGE, I don't see any bands at all, even though I used the same material just a day ago and it worked fine.... In our lab, we dilute the 10X running buffer to 1X and...
06 August 2024 5,373 2 View
Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...
05 August 2024 3,783 2 View
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05 August 2024 4,407 0 View
Is it the "elution buffer" or the "dialysis buffer"? Note: I'll be using NanoDrop OneC
01 August 2024 967 3 View
Hello everyone, I am try to understand the differences interaction between insoluble and soluble polymers in water with metal ions and how theit charge density (of metal ions) affect the interaction.
29 July 2024 6,350 3 View
Hello everyone! How can i prepare EDTA buffer solution (pH 8.2) to determine GSH levels? Thank you in advance.
29 July 2024 4,374 1 View
I want to preserve the sample leaves for the LM study of the stomata and conidia analysis. Whether 2.5% glutaraldehyde in 0.05 M phosphate buffer with pH 7 can be applied for preservation.
29 July 2024 8,560 0 View
Dear all: I am modifying Bismuth Tungstate with Hematite (Fe2O3), so I would like to know about how much Iron(+3) can form a solid solution in a Bismuth Oxide matrix. Best wishes Marco
29 July 2024 2,163 1 View
Kindly share a research paper that explains the effect of Methanol and ethanol treatment on collagen based scaffolds. How it increases porosity and swelling. Kindly help me find a paper. Thank you
24 July 2024 3,937 0 View