Pentatomidae from Cape Verde, is that Thyanta sp.?

Specimen presented on the photo comes from Cape Verde. I suspect Thyanta sp.? Is it correct? Best regards Grzegorz

29 January 2020 9,204 3 View

Have you ever seen XRD peak at 4.12 A for Ni3Al?

In synchrotron XRD of Ni/Ni3Al I have found low angle peak with twice bigger interpalanar distance than 111 (2.06 A) at 4.12 A. Can it be instrumental artefact?

19 March 2018 8,176 6 View

OIM Analysis 7 HDF 5 (.h5) data scan export of 16 bit patterns?

Dear OIM Analysis (7) users, in program there is option to export data scan with patterns (to .h5 file) but exported patters are exported with 8 bit depth, do you know how to export data scan with...

11 March 2018 9,751 2 View

How important for each scientist is basic knowlegde about philosophy of science? What is your opinion?

I am interesting in opinion about the role of philosophy of science for scientists representing all areas of science, from different countries.

16 December 2017 3,293 82 View

I am looking for a place to buy (or synthesise or exchange) MoS2 nanoparticles. Any suggestion?

I am looking for a place to buy MoS2 nanoparticles, but it should be in a real nanometer size. I bought two materials which were declared as nano but in fact, it was much - much bigger like 2-3...

22 October 2017 1,857 10 View

How can you determine a 95% and 99% confidence level in a similar Fourier analis?

I have several files from Fourier analysis as a result of data processed in Statsoft Statistica. I need to determine the uncertainty with which a given frequency has been estimated and what is the...

03 April 2017 5,533 1 View

What is the optimum percentage of SDS-PAGE for proteins of mass 34kDa and 175kDa when both need to be loaded on one gel ?

I am trying to detect proteins using Western Blot Technique. Due to the size difference, smaller protein of 36kDa was not seen on the blot read-out. Would gradient gel be a better idea to detect...

04 January 2016 5,423 9 View

Can anyone help with pressure gradient in boundary layer profile?

Dear colleagues, Does anyone have a clue how to introduce pressure gradients effects into boundary layer profile definition? So far I was implementing boundary layer profile with zero pressure...

16 April 2015 8,439 4 View

Where can I find data on power generation from wind and PV plants and corresponding weather data?

I need this for forecasting.

25 November 2014 8,185 39 View

Can anyone provide methods of metal nanoparticles (Au, Ag, Cu) stabilization by electrically conductive compounds?

I would like to stabilize nanoparticles by organic (small molecules or polymers) or inorganic compounds which will be conductive enough to obtain dried (in room or a little bet elevated...

22 April 2014 5,541 2 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

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03 March 2021 5,360 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View