How can i need convert 1 ppb to Molar concentration?

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Why Do TDS and EC Increase with Larger Wastewater Volumes, While BOD and COD Decrease?

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

How to enrich pig excreta for increasing nutrient quality organically ?

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

Is there any way to quantify bacterial and fungal cells in their mixed culture?

I am working in fungal fermentation of soybean meal and there is bacterial growth in them at times. I am trying to quantify fungal cell counts and bacterial cells; but I haven't been able to do at...

07 August 2024 7,535 4 View

Is it possible to plot the atom-projected band structure using GPAW?

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

Unusual intensity drop in some sections of chromatograms in DDA?

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

Leaf area of tomato ?

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

Why did the authors extrapolate a phenotype that they experimentally proved in one bacterial strain across the whole genus of the organism?

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

How to preform densitometry on SDS-page bands?

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?

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

Which solvent is better to dissolve with secondary metabolites extracted from fungi?

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

Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 980 5 View

How to calculate the molar proportions of the oxides from the XRF analyses?

02 August 2024 2,565 2 View

How to wash capsule filters (Membrane: polyethersulfone; pore size0.2u/0.45u) after filtration. can I wash by NaOH? if yes, what will be the molarity?

11 July 2024 8,969 1 View

Would it be possible to determine how many Cys I have based on Ellman's assay?

I want to predict the DAR ratio based on the number of cys available for conjugation to Cys residue. I use Ellman's assay to predict the concentration of Cys after TCEP reduction. I gain a...

02 July 2024 612 6 View

What is the best way to calculate the weight of each lipid component needed to achieve the desired molar ratios?

I'm currently working on preparing a 10 mL liposome solution containing HSPC, mPEG2000-DSPE, and cholesterol at a molar ratio of 55/40/5. can anybody advise on the best way to calculate the weight...

26 June 2024 1,135 0 View

Pls how can I combine CTAB and lactic acid for pretreatment of lignocellulosic material?

The percentage molar concentration of lactic acid and CTAB

20 June 2024 3,225 0 View

Why cells are visibly pink after DHE staining?

Good evening, I´m establishing a protocol for detecting ROS using DHE staining in Flow Cytometry using TK6 cells. They look visibly pink after staining them with 10 micro Molar DHE. Is that...

19 June 2024 7,339 0 View

Can somebody explain me about this "NaCl-KCl (8 g), a molar ratio of 1:1 and an eutectic temperature of 657 °C"?

I want to prepare a photocatalytic material Bi3TiNbO9 nanosheets and the authors mentioned NaCl-KCl (8 g), a molar ratio of 1:1 and an eutectic temperature of 657 °C as a one component. So, kindly...

04 May 2024 9,282 1 View

How to fix the molarity of 2 analytes to be interacted in Gauss View using DFT ?

I am trying to optimise the molar ratio of 2 analyte (For example A and B) during a reaction. For this purpose I want to optimise there molar ratio. For example A:B = 1:2, 1:3, 1:4, etc. Which...

28 April 2024 5,775 2 View

How can I get my desired DNA copies?

Hi all, I want to have 301 copies/ul for my downstream experiments. The sample I am using is a purified plasmid, of which I know the concentration (ng/ul), volume (ul), and molarity(g/mol). How...

20 April 2024 2,468 4 View