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

Differences between sheep blood with Alsever solution vs citrated/defibrinated sheep blood in microbiological media?

I am aware of a study that has compared the use of citrated and defibrinated sheep's blood in microbiological media (Hair Sheep Blood, Citrated or Defibrinated, Fulfills All Req... ), but can...

10 February 2021 5,927 1 View

Can anybody provide me sequences of SPF10 primers?

03 February 2021 1,053 2 View

How to calculate response rate if the number of eligible respondents is not available?

Hi All, I am carrying out an international research with clinicians (speech-language pathologists/ therapists). International professional associations will be distributing the questionnaire link...

02 February 2021 5,306 3 View

How do you annotate figures to show significance?

30 January 2021 1,008 3 View

Can Vibrio campbellii bioluminescence be obtained when cultured on Mueller-Hinton agar?

Need to check quorum sensing activity of Vibrio campbellii.

20 January 2021 570 5 View

Can anyone suggest a commercial MAT kit to detect Toxoplasma gondii antibodies in animals?

18 January 2021 5,438 2 View

Can anyone help for the content validity of my psychological test?

Good day! I am in the midst of completing my test development requirement under the Psychological Assessment subject. I was wondering if anyone can help me reach experts or psychology graduates...

14 January 2021 1,536 4 View

Which neuropsychological tests assess immediate and delay(24-48hrs) declarative memory/learning (verbal and visual) and procedural memory in children?

it can be either a neuropsychological assessmentfrom age 8 years old or a wel research paradigm

13 January 2021 2,308 2 View

Which method to choose for analysing semi-structrured interviews?

Hi, I did a literature review on innovation diffusion theories (Rogers), and I attempted to test the practicality of these theories when introducing novel medical devices. I did semi-structured...

05 January 2021 276 8 View

Spatial Panel Diagnostic Test?

Hello Colleagues Trust you are all fine, Please I have been struggling for days on estimating some spatial diagnostic test on my model. The stata command I am using is spatdiag command. I am...

04 January 2021 3,919 1 View