Why Nafion dispersion is no longer available?

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How can we increase the power output of piezoelectric tiles for better energy harvesting ?

We all know that, piezoelectric energy harvesting is a relatively new and specific topic as far as other energy sources are concerned. And as much as we can, scientists have tried and are trying...

01 February 2024 5,767 0 View

How can a researcher get free and legal access to Twitter data for analysis?

The cost of the Twitter API has risen dramatically and tools such as SNScraper may violate Twitter's terms of service.

03 May 2023 4,486 2 View

How can the absorption data can be analyzed?

The following data is the absorption data f PDMS nanostructures thin film over the glass substrate using uv-vis spectrum. We all know that the sum of the absorbance, trnasmittance and reflectance...

04 December 2022 4,650 2 View

¿Research centers working with Hemp in Portugal?

¿Do someone know any research institution working with hemp in Portugal?

08 November 2022 4,547 0 View

How to harvest Hemp seeds and fiber?

I'm working in a new project and the objective is mechanically harvest at the same time hemp seeds and straw. It is a trial field so the plots are 2m wide. There is a machine available for this...

13 November 2021 1,995 2 View

Desulphurized lead paste in rotary furnaces reference books?

I have been spending my time looking good books or references about the desulphurized lead paste metallurgy in rotary furnaces, does anyone has some information?

13 May 2021 4,095 0 View

Can one simply dry PCR products in air?

Hello all! Hope you are doing fine. For the needs of a library preparation (Illumina sequencing of PCR products basically), I need to dry 100ng of each PCR product and then reconstitute it in...

30 November 2020 8,453 11 View

Does anyone know of a commercial Host Cell Protein (HCP) ELISA kit for Chicken Embryo Fibroblasts (CEF)?

I've come across many vendors carrying HCP ELISA kits for various viral cell substrates, but haven't seen a single one designed to detect Chicken Embryo Fibroblast HCPs even though it's a common...

09 July 2020 3,422 0 View

How to specify reference value in BayescEnv ?

Hello ! I failed to find in the user manual how to specify the reference value for the environmental data vector used as input for BayescEnv. For example, if my variable is water pH and I want a...

01 June 2020 7,362 0 View

3-way Robust ANOVA: post-hoc test in R?

I am running a 3-way robust ANOVA in R using the package WRS2 (t3way function) based on trimmed means. The two-way interactions and the three way interaction are significant but I can not proceed...

25 April 2020 2,286 2 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

Need heterogeneous catalysts calcined before reduction?

Metal-containing heterogeneous catalysts often need to be calcined before reduction, so what are some examples of catalysts that perform better without calcination? What is the reason and how many...

05 August 2024 909 2 View

How can I define dispersion for salt in CMG or Eclipse?

How can I define dispersion for salt in Eclipse in a low salinity water flooding code? how can I active interactions between tracer and polymer in Eclipse? Please let me know if you have any idea.

05 August 2024 1,218 1 View

London dispersion in CCl4 vs the dipole-dipoles force strength in CHCl3?

How do you tie-break and rank these two in their strength?

03 August 2024 4,471 1 View

What is the best practice for resuspending cell pellets during competent cell preparation (both electro and comp)?

I'm fairly new to making homemade comp cells and have done so with some mild success. What is generally an acceptable way of resuspending comp cells during wash steps? I've been told to swirl the...

31 July 2024 8,309 0 View

What is the solubility of Iron (+3) in Bismuth Oxide?

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

I have calcined my catalysts without flowing air from the compressed air cylinder will there be any problem with my reaction if i use that catalysts?

FYI Catalyst is MFI zeolite Si/Al = 140,25.40.11.5,15 I am using this catalyst to study methanol to DME conversion

25 July 2024 2,486 2 View

What is the best method for removing paraffin from plant samples prepared for microtome?

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24 July 2024 3,087 3 View

Liposome Preparation using Heating Method - Why does my liposome suspension form aggregates?

Hello everyone, I am trying to encapsulate an essential oil in the liposomes using the heating method and encountering some issues. I am following the protocol described below, but my solution...

10 July 2024 4,083 3 View

Alternative binders other than Nafion solution?

Hi Everyone, I plan to deposit a catalyst (TS-1@Co-PDA, in the core: TS-1 zeolite with a shell of Polydopamine designed with Cobalt) on a rotating ring-disk electrode (RRDE) to evaluate the...

29 June 2024 8,203 3 View