Does the SDS block the catalytic sites existing on the Iron doped graphene ?

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What can cause that mosquitoes from Rockefeller reference strain (Aedes aegypti) spend too much time in larval stages?

We have been rearing Rockefeller mosquitoes for many years in our laboratory without any problems, but lately, in spite of good viability of eggs and unchanged environmental conditions (27°C,...

20 June 2024 3,515 2 View

How can I mesure the power radiation from the FLIR cameras (E8xt)?

Hello everyone, I'm working on IR camouflage project and I want to mesure the radiation power using the FLIR camera, can someone help me to know how to do it ? is there anyway to get it directly...

29 August 2022 7,872 1 View

Hydrogel conductivity, how can I mesure it?

Hello everyone, I'm synthesizing a conductive hydrogel made of a PVA, CMC BORAX, and active carbon. I'm trying to measure its conductivity by impedance: What I'm doing is putting the hydrogel on...

22 May 2022 824 4 View

Is there any study on Mathematical Language learning impact on comprehension and Interpretation skills?

I'm looking for referents / references about how/if learning mathematic language prior to grammar impacts comprehension ad interpretation abilities. Another route but similar purpose, is to...

11 May 2021 9,314 6 View

In which case meta-heuristics algorithms cannot minimize the network error?

Hello, I am working on hybrid neural network. I have combined ANN with two different evolutionnary algorithms to build a prediction model of 6 inputs and one output with one hidden layer of 7...

18 January 2021 7,482 3 View

Which model should be used to predict product sales from numeric and categorical values?

Good morning , I am working on a project and I need to predict the quantity of sales of a product based on the country (+10) , the city (+100) , the price, the month, the week of day , the...

14 September 2020 8,176 2 View

Software suggestions for modeling a small agricultural dam?

Dear all, Please, I would like to know if there is a function for the hydrological modeling of a small farm dam using the HEC-HMS software, if so, with which function can I do it please? I would...

19 June 2020 3,397 11 View

MANOVA: Is it ok if the interrelationships between DVs vary by cell (combinations of IVs)?

In a MANOVA, is it problematic if the correlations between the DVs are different across cells (across each combination of the IVs)? In other words, is it ok if the correlation between Y1 and Y2 is...

31 May 2020 9,045 0 View

Can you suggest me please some Satellite Precipitation Products (SPP) ?

I would like to download precipitation data from satellite precipitation products, is it possible please to suggest me the most frequently products that are used and recommended for hydrological...

02 March 2020 3,093 5 View

Question about The porosity mesure using the ethanol method ?

Hello everyone, I'm trying to measure the porosity of 3D printed composite of cellulose microfibers and graphene. I found low value (around 'à to 60%). When I try to measure it using water...

14 January 2020 4,628 2 View

Why I can't see any band in SDS-PAGE?

Currently, when I run SDS-PAGE, I don't see any bands at all, even though I used the same material just a day ago and it worked fine.... In our lab, we dilute the 10X running buffer to 1X and...

06 August 2024 5,373 2 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

Short Synthesis of Graphene Oxide from Natural Graphite Flakes?

I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...

01 August 2024 8,368 2 View

How can I separate graphene from amorphous carbon of similar particle sizes?

The starting material is a finely ground powder. Some particles contain more graphene than others.

30 July 2024 3,978 2 View

Following click reaction in cell lysates, protein is immobile and remains at the top of the gel in SDS-PAGE?

I am using CuBr/THPTA for a click reaction in total cell lysates. I am facing issues with my protein sample in non-reducing SDS-PAGE where it's not migrating properly and most of it remains at the...

29 July 2024 950 4 View

Why my IgG antibody looks fragmented on non-reducing SDS-PAGE?

I am performing IgG purification and I have to show my results on SDS-PAGE. I use 10% tris glycine gel and prepare the samples under non reducing conditions. I am new to antibodies and therefore...

23 July 2024 6,664 6 View

What is the cause of this aggregation just bellow 70 kDa mark?

Hello, I was running a 12% SDS Page electrophoresis on few granulosa cell samples and got this result after the ponceau staining. The total protein lysate seem to aggregate at 70 kDa ladder mark...

21 July 2024 5,128 4 View

What is the best method to distinguish metal nanoparticles in water, given their very small size, without affecting their size?

What is the best method to distinguish and identify metal nanoparticles dispersed in water, given their very small size ( 3-5 nanometer ), while ensuring that the method used does not alter or...

10 July 2024 9,924 2 View

Can anyone suggest what amount of powder I have to disperse in the solvent for taking the FTIR spectra?

I have to compare the FTIR of the two samples, one is in powder form and other one is the powder dispersed in IPA or water. Both are same material, so how the bond will change

09 July 2024 8,011 2 View

How to disperse silverparticles in water?

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