What is suitable temperature at reaction mixture of lipase activity assay?

I use para nitrophenyl palmitate substrate with tris buffer ph 8... i read many temperature for Yellow color of para nitro phenol production.. 37 and 50 and 40 at water bath ... I confused as i...

04 February 2021 9,100 5 View

What is the difference between SEM and TEM and between FTIR and EDX in soil and plant?

If I want to know the changes (for example in plants or soils) as affected by specific substance on nano substance; when I use SEM or TEM and why? As well, when I use FTIR or EDX and why also? Is...

28 January 2021 5,070 9 View

Rmse in lstm when forecasting time series?

iam working on long memory time series data and i use lstm neural networ to train data and i want to understand how rmse is calculated is it calculated in each iteration separately or in each...

23 December 2020 6,740 4 View

Doping of r-GO?

if the percentage of doping Au into rGO is too small 1~10%, is it not enough to prevent restacking of r-GO in xrd results, rGO peak appeared at 22.2 and also the peaks of gold nanoparticles so...

21 December 2020 6,091 3 View

XRD peaks for gold nanoparticles ?

is the concentration of gold salt that were added will affect on the peaks appeared. i added a very little amount of gold salt to dope graphene oxide and not all the peaks that proved the...

17 December 2020 9,275 3 View

I saw sparkles in my samples?

i am trying to dope boron in graphene oxide , and after i take out my samples from the oven i put them in the microwave for 40 sec , and i saw sparkles . and fume also i couldn't understand why

16 November 2020 6,852 5 View

I am looking for efficient texture analysis software for MRI images analysis with free acess?

i am looking for efficient texture analysis software for MRI images analysis with free access?

09 October 2020 3,737 2 View

What is the alternative test that can be used instead of ANCOVA when the Homogeneity of regression slopes doesn't meet?

I have Pre test as a (covariate variable) and post test as a (dependent variable) and the treatment for the experimental group and the control group. and the assumption of Homogeneity of...

21 August 2020 7,196 3 View

What if find that the reviewer goes through your paper just to reject it?

What you should do if you found that one of the reviewers goes through your paper just to reject it and most of his comments are irrational and not constructive. Finally, he rejected the paper...

20 April 2020 5,336 51 View

Giemsa stain preparation tips, for chromosomes' staining, any advises?

Can any one advise me about the best protocol for Giemsa stain preparation? it gives me faint blue color not the ideal purple color, that makes the investigation difficult and the color is not...

16 March 2020 6,656 3 View

What properties of water shall be analyzed and evaluated to test the effectiveness of activated carbon?

I would like to ask what other properties of water (pH and such) shall be analyzed and evaluated to test the effectiveness of activated carbon from filtering the contaminants present in the water?

20 February 2021 9,422 8 View

Dissertation Topic Ideas for MSc Business Management?

Hello, I hope everyone reading this is doing well during these tough times. I am doing my masters in business management and considering dissertation topics. I'm interested in taking an...

15 February 2021 594 26 View

Which fungicide are good for primary cells? Does it yeast contamination? How to get rid of them without killing the cells? How to get rid of spores?

Hello! Our lab is working with primary cells which we are isolating from the colorectal tissue. During the isolation, we are washing the tissue with pen-strep and then also add some pen-strep in...

07 February 2021 8,258 3 View

How the microplastics levels in freshwater and marine water ecosystem be controlled?

Microplastics have been found in land, air, freshwater, effluent from a wastewater treatment plant and even in tap water and bottled water. The small plastic particles (less than 5 mm) pose a...

19 January 2021 8,637 3 View

How does artificial intelligence impact cybersecurity?

With emerging technologies, the availability of data at every point of customer interaction has increased. Consequently, the need to monitor and secure the data has increased. With data being...

19 January 2021 7,944 9 View

What Contaminates Cause Loss of Resolution in Plasmid Sanger DNA sequencing?

We use an AB 3130xl Genetic Analyzer for Sanger Sequencing, and on occasion, we see our plasmid samples struggle with wavy, loss of resolution (as seen in the attached image). Our general...

14 January 2021 7,346 6 View

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31 December 2020 9,207 4 View

Robot that helps clean our seas of microplastics?

My team and I are curently working on a project is focused on preventing microplastics and collecting plastic particles up to 2 * 2mm. Our biggest concern is harming sea life and destroying...

29 November 2020 9,240 5 View

Can anyone put up some light on how added urea could be detected from food item(not milk)?

We doubt that some people add urea in fish based food item, any one can suggest some method by which we can detect the uear qualitative and quantitativly.

16 November 2020 6,839 3 View

Why only less than .3 mm sieved samples are considered in microplastics observation???

Basically, I was looking for the laboratory method for microplastics observation from a seawater sample and beach sample. Most of the cases, they followed some criteria to get a precise amount of...

09 November 2020 8,485 6 View