Oil nano emultion?

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Would you please recommend a function in R software that could be used with FUNGuild output to merge different rows that have similar guilds?

Dear colleagues, I have an output of FUNGuild tool (ASVs abundance in different samples and assigned to guilds) and would like to merge the ASVs that had similar ecological guilds using R...

16 February 2021 4,292 7 View

Problem in detection of a specific gene & elimination of primer dimer in qpcr?

In our lab, we are trying to do real time PCR for some genes. One of them has a size of 85 bp. Whatever we do, we had an amplification in negative control. When we run agarose gel, it always a...

14 February 2021 9,750 11 View

Why is the OD values not decreasing using 3 dilution in Indirect ELISA?

I am using indirect ELISA to measure the antibody response against Aeromonas salmonicida in Atlantic salmon. I am using 3 dilutions of serum 1:50, 1:200, and 1:400. The OD450 nm values measured at...

08 February 2021 9,049 3 View

What is the best etchant for severely deformed, high purity magnesium?

I have tried using acetic picral and 5% nital solution when observing the microstructure of severely deformed pure magnesium. Unfortunately, I keep getting similar microstructures (as shown below)...

20 January 2021 8,783 4 View

Can you recommend me chemical engineering journals with fees "scopes" ?

dear all would you help me to find a scops journal in the field of chemical engineering with fees as I want to publish in a short time. thank you [email protected]

23 December 2020 6,883 1 View

Sensitivity Coefficient in Uncertainty Calculations for HPLC assay method, UV assay methods and pH measurement?

Does anyone have a paper or any document for calculated sensitivity coefficients used in uncertainty calculations for HPLC assay methods, UV assay methods and pH measurement methods?? I know it...

21 December 2020 5,196 2 View

How to interpret PCA results in weka & how to extract features from it?

I'm working on KDD CUP'99 dateset. Training and test set are different datasets. after pre-processing I got 25 attributes. I applied 4 different classifiers through PCA in WEKA(classify tab). Now,...

20 December 2020 8,425 4 View

How can we define columns in 3D PLAXIS model for buildings existing near the excavation?

I started by a model using 3D PLAXIS to study the effect of deep excavations on existing buildings. The building was simulated as a surface plate with a surface load. Now I'm trying to do it as a...

29 November 2020 3,198 4 View

Add text at the beginning of a specific reference in Latex?

Hey researchers! The journal I'm submitting to wants datasets to be listed in the reference as [dataset] Authors; Year; Dataset title; Data repository ; Version; Persistent identifier (e.g....

18 November 2020 2,681 5 View

What criterion measures do you suggest to be used for a new children personality test?

I am working in a project that aims to develop a new non-verbal personality test for children. What king of measures/ intruments I can use to examine the convergent or divergent (or concurrent...

11 October 2020 1,960 3 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How to quantitative analize the data of TNBS assay for gelatin?

Estemeed colleagues, I found some issues regarding the quantification of the data for TNBS assay. There are different protocols on how to perform that but it is clear to me the "fil rouge" that...

02 March 2021 2,616 1 View

What is Nano technology with coronavirus helpe the human..and is it nano mterals removal of covid19?

I anwar by adsorption or reaction ..but it is either more method...

02 March 2021 4,811 2 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

For gelatin coating for culturing HUVEC.Should the gelatin be made in sterile water or PBS? Do I need to autoclave the gelatin soln after making it ?

I want to use 0.1% gelatin. Should that be made in PBS or sterile water? Should I autoclave the gelatin soln after making it in water/PBS?

28 February 2021 274 2 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Zno nano particles colour changed from white to grey in process of calcination any suggestions?

In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...

26 February 2021 2,435 4 View

Can I use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography?

Hi! I would want to know if I can use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography. This column has a polyethylene glycol phase, but I can't find the manual to check...

22 February 2021 730 2 View