I want to change the pH of zinc acetate solution. But when I add
NaOH, a white precipitate was formed.
Ankita, you can try ammonium hydroxide....
I am following the method of Ruch et al, 1989. But I am getting increasing order of OD with the increase of standard (quercetin) concentration. Can anyone tell me the protocol of hydrogen peroxide...
06 July 2018 9,350 0 View
I am studying the spectrophotometric assay of glutathione peroxidase. I want to know whether I can prepared the reduced glutathione previously and kept at 4oC for further use or not.
04 May 2018 9,871 8 View
I want to check the antioxidant activity of ZnO nano particles and hydrogen peroxide scavenging activity is one of them. Can anyone give the protocol to check such activity of ZnO nano particles?
03 April 2018 3,729 3 View
I am synthesizing ZnO nanoparticles by using plant extract. I want to study the effect of pH on the synthesis and need to adjust the pH of the reaction to obtain the optimal pH for nanoparticle...
02 March 2018 1,669 7 View
I want to study the effect of radiation on malignant tumor cell and also evaluate the stress during treatment in mice model
10 November 2017 495 3 View
Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...
06 August 2024 977 1 View
We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...
30 July 2024 942 2 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
I am working on powder metallurgy, and during the compaction process, the powder does not pelletize and remains in its powder form. To address this issue, I am considering using binders to improve...
13 July 2024 9,003 2 View
The column is used in Ion Exchange Chromatography of Monoclonal antibodies and the method of analysis is based on pH gradint.
13 July 2024 7,462 1 View
Hi All: I need to precipitate extracellular protein from supernatant. A bit confused with ammonium sulfate calculation. Should I be adding: 1. 65g of ammonium sulfate in 100 ml of...
09 July 2024 5,508 0 View
I synthesize silver nanoparticles ,and reserve it in water. Then, when I sonicate it some minutes or longer ,it couldn't be dispersed, most of them aggregate .Otherwise ,when I sonicate several...
09 July 2024 7,335 0 View
I performed CV of Cu-MOF in a buffer solution of pH 8, and we did not find any peak corresponding to Cu2+ to Cu+. What is the reason behind this? Please give your valuable suggestions.
08 July 2024 2,388 4 View
I was wondering if it is possible to form a permanent open "ssDNA bubble" similar to a transcription bubble (>13 nucleotides) within E. coli. These criteria are important: 1. Open ssDNA...
07 July 2024 8,275 5 View