Is the averaging plot of load-displacement graph is acceptable as the standard deviation of three samples of same specimen is high?

Hello everyone. I have three concrete prisms of the same size and obtained the load-displacement curve of three samples, but the standard deviation is 6.55..i plotted the average graph out of...

25 August 2020 3,968 1 View

How to solve the following error in MmPbSaStat.py?

Traceback (most recent call last): File "MmPbSaStat.py", line 303, in main() File "MmPbSaStat.py", line 62, in main cTmp.CalcEnergy(args,frame_wise,0) File "MmPbSaStat.py", line 81,...

26 April 2020 3,066 3 View

Can we get two PL emision peaks for MaPbI3 perovskite film at at excitation wavelength of 450 nm or any wavelength?

If I am getting it, is it an instrumental error? In perovskite film, do we get a excitation dependant PL spectra?

12 October 2019 5,609 2 View

How to calculate the inner diameter of nano-tubes made up of peptide?

How to calculate the inner diameter of peptide nano-tubes made up of peptide? I have seen that people can find the diameter by 3D reconstruction of CRYO-TEM, which is a very specialized technique...

18 August 2018 4,081 4 View

How to distinguish whether the semiconductor material is direct or indirect from optical spectrum?

please suggest me any other experiment (if necessary, other than optical spectra) to identify direct or indirect semiconductor material ?

18 September 2017 9,554 2 View

Graphitization of carbon soot

Graphitization of the carbonized materials1.0 g of the carbonized materials and 0.5 g FeCl3.6H2O were added to 100 mL distilled water. In addition, the pH of the solution was adjusted 2 by adding...

23 June 2017 2,775 4 View

Density-of-states in CuPc ?

03 April 2017 2,884 1 View

How to interpret qRT-PCR data?

I have performed qRT-PCR in Bio-Rad CFX96. The melting curve result shows two peaks in some samples within replicates but not all. What might be the cause? And, based on these attachments, would...

26 March 2017 2,806 6 View

What is the agarose gel concentration required for PCR products and Genomic DNA?

23 January 2017 6,186 18 View

No RNA bands in FA gel electrophoresis from RNeasy Plant Mini Kit, Why?

I used Qiagen RNeasy Plant Mini Kit to isolate RNA from Turmeric Rhizome (6 months old) and used tertiary rhizomes as a sample for RNA isolation. I used two varieties (First Three columns...

20 January 2017 7,462 13 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

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

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 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

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View