How to take XRD of colloidal Ag NPs?

I have synthesized silver nanoparticles using sodium citrate as reducing agent. I have carried out XRD characterization by drop coating colloidal solution on the glass substrate ( since yield in...

27 January 2021 1,416 3 View

CFD steady state simulation not converging even after large number of iterations for multiphase flow?

Dear All, I have been working on multiphase flow through a complex geometry having porosity 0.25. I have patched it with oil and high-salinity brine. At the inlet I am flowing low-salinity brine....

04 December 2020 4,506 3 View

Absolute values in Leptin ELISA kit are higher than normal. Does it depend on washing procedure?

I have been using mouse leptin ELISA kit (Catalog number (90030) from crystal chem. I have been doing manual washing between my steps as I didn't have automatic washer instrument. Does this cause...

12 August 2020 4,352 4 View

Which book/study material would be best for a beginner in optimization research field ?

power system optimization problems and optimized unit commitment

20 April 2020 6,248 12 View

How to generate a magnetic field around a sand packed column?

Hi all! I want to make a lab scale setup. I want to generate a magnetic field around a sand packed column. I want to inject magnetic nanoparticles in th sand column and want to track them...

07 April 2020 1,393 1 View

What is the best way to euthanize invertebrate insects in the field for RNA sequencing?

Field work will be conducted in very harsh, windy, and cold environment.

08 March 2020 8,387 3 View

Is it possible to remotely detecting location of fluorescent nanoparticles in a core sample using a quencher?

Dear all, I have injected fluorescent-based nanoparticle fluids in core samples. Is it possible to remotely detect the location of fluorescent nanoparticles in a core sample using a quencher? Thanks

11 January 2020 3,102 3 View

Should oil recovered after water flooding be similar for all core flooding experiments to compare oil recovered by different surfactants in CEOR?

I am performing core flooding experiments to compare percentage of additional oil recovered during surfactant flooding in a sand pack column. Is it necessary that after secondary waterflooding...

16 December 2019 2,886 2 View

Is it possible to get the two laser spots produced by using a wedge prism in a single line ?

I split the laser light into two parts by using a wedge prism, but the two spots are not in a single line. How can I make it in a single line? Is it possible to increase the separation between the...

03 December 2019 7,168 3 View

Is it possible to split a laser light (1064 nm) into two equal parts by using wedge prism? Any other optics required along with wedge prism?

I have tried to split the 1064 laser light into two equal energy spots by using a wedge prism of wedge angle 2 degree. But I cannot split the laser light. There are so many papers reported the...

12 November 2019 7,645 3 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View

Cloudy/high background western blot - can anyone help me?

Hi everyone! I try to detect VDR protein (~48 kDa) using Western Blot. After SDS-PAGE using 10% MP TGX Stain-Free Gel from BioRad I transferred the protein onto an metOH activated PVDF membrane...

23 February 2021 6,266 3 View

Protocol for membrane extraction E. coli?

Hello! I am interested in determining whether a poly-unsaturated fatty acid I have engineered E. coli to produce is being incorporated into the membrane of the cells or if it is simply a free...

21 February 2021 7,447 2 View

What is the optimal method to prepare a controlled porosity osmotic pump (CPOP) tablet for scanning electron microscopy?

In order to assess the shape and size of pores formed by dissolving the pore former in the semipermeable membrane structure, SEM images are needed. Cellulose acetate was used in the coating...

15 February 2021 6,135 3 View

How do you prepare a porous crosslinked Polyvinyl alcohol and Glutaraldehyde membrane or film?

I am trying to prepare a Polyvinyl alcohol membrane for carbondioxide adsorption

08 February 2021 7,493 3 View

Background and spots in Western Blot membrane?

Do you know why my membrane looks like this? I did this western for Anti-hnRNP D/AUF1 antibody ab50692, as primary antibody in 1:1000 overnight at 4c and Anti-rabbit IgG HRP linked antibody...

07 February 2021 5,591 4 View

Acoustic simulation of Membrane?

I have 1 mm thick membrane. This membrane is perforated. I want to simulate this in Acoustic module of comsol. For this ,which type of module I can use in comsol.?

02 February 2021 2,505 6 View