When giving different collaborative tasks to the students, which one is better either remained in the same group members or different group members?

For example if I have 3 collaborative tasks to give to the students, which one is better either same student in the groups working the 3 tasks together all the time or change the group members...

18 October 2019 8,325 3 View

How to dissolve alpha melanocyte hormone (alpha-MSH)for long storage?

I am going to use alpha-MSH to stimulate B16F10 melanin production. I bought 1mg alpha-MSh from sigma. According to sigma, the protein dissolve in water. Can I dissolve the alpha-MSH in pbs, or...

06 December 2018 9,851 2 View

How to Identify Polymers of Packaging?

Dear all researchers, I have problem on identifying type of polymer used in different type of food packaging. I need to screen many food packaging in marketplace that use polymer that I want. In...

25 February 2018 4,232 3 View

How to change the solvent used in preparing standard stock solution?

Hi, can I know how to change solvent used in my standard stock solution? For your information, I initially prepared the standard (styrene) in methanol and I need to change it to hexane. Can I...

05 February 2018 2,935 3 View

DPPH Assay for enzymatic antioxidant?

Assalamualaikum and Good Day. I am currently working with enzymatic antioxidants such as SOD, CAT, APX etc in rice plants exposed to different water level (water stress treatment). I am a bit...

11 September 2017 3,456 3 View

Voltamaster 4 PGP201 Voltalab Potentiostat

We are looking for any PGP201 Voltalab Potentiostat user that has the Voltamaster4 software. We are in the process of changing the old PC connected to PGP201 potentiostat with the new one but have...

28 June 2017 6,350 95 View

I need to detect same compound using HPLC in different sample. Should I construct different calibration curve for each and every sample I studied?

I need to detect styrene monomer from different food sample

03 June 2017 3,662 10 View

How can I test the statisitcal significance of mean frequencies?

This is the situation: I observed 12 classes (4 elementary, 4 intermediate and 4 advanced) without any intervention or treatment. Each class was taught by a different teacher. So there were 12...

29 May 2017 1,228 4 View

Which package in R to implement the feature selection that suitable for regression?

15 January 2017 5,834 2 View

What are the suitable solvent extraction for liquid-liquid extraction ketamine?

liquid-liquid extraction of ketamine for chromatographic analysis

03 April 2016 9,248 1 View

What are the values needed for gabor filter's parameter for cifar10 data?

Hi, I implemented a code to gabor filter cifar10 data but the images after being filtered and stacked are not clear like the original images. I think the problem is in the way I am using the...

03 March 2021 6,317 1 View

How to calculate Total Flavonoid?

I analyzed flavonoid total spectrophotometry, the procedure as below: 2 ml supernatan added 5 ml dd.H2O, then added 0,15 ml NaNO2 5%, 5 minutes later added 0,15 ml AlCl3 10%, After 6 minutes,...

01 March 2021 6,722 1 View

RNA-seq DEGs downstream analysis and reporting in literature?

I used EdgeR to get the list of DEGs (differentially expressed genes) from my liver RNA-seq experiment. I have done the gene overrepresentation and GSEA based pathway analysis. I am currently...

23 February 2021 8,969 1 View

What are the ranges of four diffterent poles of butterworth filter for ECG signal?

Hi, Can anyone please tell me what are the ranges of four different pole orders such as first order, second order, third order and fourth order respectively of butterworth filter for ECG...

23 February 2021 2,554 3 View

Which polarizers are usually used to measure the birefringence of zebrafish muscles?

I already found several publications on that topic, however, the specifications for the used filters are often missing. Some more specific information than "fish is placed between to polarizing...

23 February 2021 1,934 1 View

No title

23 February 2021 4,014 3 View

What low-cut filter (high Pass frequency) to be used for response spectrum (Tripartite plots) ?

What low-cut filter (high Pass frequency) to be used for the response spectrum (Tripartite plots)? I am currently working on differentiating between hard/soft site responses in Indo-Gangetic...

21 February 2021 9,273 2 View

Is it possible, for a limited dateset of images, to use Convolution filters + Random Forest instead of UNet?

UNet is 'relatively' recent and was invented mainly to deal with biomedical images, yet is it also possible, for a limited dateset of images, to use Convolution filters + Random Forest instead of...

21 February 2021 4,858 3 View

The type of filter paper used to filter an epoxidized oil (the mixture is an epoxidized oil with magnesium sulfate) ?

I have a mixture of epoxidized oil and magnesium sulfate wich type of filtre paper should i use

21 February 2021 3,944 3 View

In methylene blue test Why is UV absorbance reading very low as soon adsorbent is added and then increasing before reaching equilibrium?

Hello, I'm working on removal of methylene blue. 01. in the dark test very first reading is taken 15 minutes after adding adsorbent to the dye solution and that UV absorbance reading is very...

19 February 2021 472 5 View