Why is the mixture of bacterial and inorganic precipitates still in suspension when centrifuged at 12000 rpm in a 50ml centrifuge tube, but can naturally settle to the bottom in a short period of time?
I have carried out MFC experiments on three different volumes, 50, 500 and 1000 mL of wastewater. Results after MFC treatment shows that TDS and EC are more in larger volumes of water i.e. TDS and...
09 August 2024 9,621 0 View
Pig slurry is rich in major and minor nutrients. Is there any way to improve / Enrich its manure quality to be used in agriculture organically ? please share your knowledge.
09 August 2024 5,605 2 View
Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...
07 August 2024 269 3 View
Hi, we have measured tryptic peptides using both DDA and DIA method on QExactive. In DDA replicates i saw unusual intensity drops occurring at the same sections of chromatograms in DDA replicates...
07 August 2024 3,218 4 View
Hi How can this equation Ln(LA) = 1.038 + 0.89 ln(X) be applied to calculate the leaf area of a tomato? Can you explain with an example and what is the substitution of Ln and ln?
06 August 2024 2,508 2 View
I aim to be as skeptical as possible regarding whether a pair of orthologous genes results in the same phenotype in their different but related bacterial organisms under similar environmental...
05 August 2024 6,787 4 View
I ran a SDS-page of a bacterial lysate and I want to quantify protein concentration in a specific band. I was thinking of using a standards ladder or make some standards are different...
05 August 2024 9,805 3 View
XRD Analysis is showing only Calcium carbonate. It is not showing other compounds. Can anyone help me get the other compounds
04 August 2024 3,019 3 View
I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...
03 August 2024 4,725 2 View
Machine learning (ML) has shown great potential in predicting the compressive strength of concrete, an important property for structural engineering. However, its practical application comes with...
03 August 2024 2,546 2 View
In my study, I intend to infect PBMCs with SARS-CoV-2. After that, I will analyze NK cells by flow cytometry to see if their phenotype changes or if they show degranulation. After the infection, I...
01 August 2024 4,403 4 View
I have been harvesting monocyte-derived macrophages from buffalo and cattle fresh whole blood using the same protocol for years and getting good macrophage cultures. Below is the protocol that I...
23 July 2024 4,074 2 View
We have no access of pressure plate apparatus
22 July 2024 3,488 2 View
Hello, I recently started working in a soil testing lab and am in charge of operating a new piece of equipment in the lab. We are using 4g soil to 40ml extraction reagent, shaking the mixture,...
26 June 2024 1,265 3 View
Dear colleagues, does anyone know of a suitable alternative for Centrifuge software (calculating settling time for grain size separation by centrifugation), preferably one running on Windows 10 or...
17 June 2024 7,085 0 View
Hi, I have been using a Q-Sonica Q500 Sonicator to disperse samples on nanocellulose and make emulsions. I have notices black dust like particulates settling out in some samples and on the bottom...
12 June 2024 9,737 6 View
I am researching on azo dye degradation by bacteria. To analyze FTIR, how should I prepare my samples? Do I need to centrifuge, add anything or subtract anything? I am using minimal salt medium...
01 June 2024 3,846 1 View
We are experiencing different problems pelleting fibroblast: a) From the resuspension of the comercial vials (after defrosting, we resuspended in 5ml complete DMEM + L-Glutamin + FBS +...
28 May 2024 3,529 1 View
For my project, I need to extract RNA from muscle tissue of EEL. I am trying but the yield is low and Purity not good. The 260:230 ratio is always below 1.50 and 260:280 ratio ranges 1.6-1.86 and...
15 May 2024 3,024 2 View
I usually wash it with MeOH by stirring (10 min.) then centrifuge at 8000rpm (10 min.) followed by DI water washing by stirring (10 min.) and then centrifuge again. I do it for 3x. The final one...
12 May 2024 8,835 0 View