In TEM sample preparation what quantity of nanoparticle needs to be mixed in ethanol before ultra-sonication? min quantity that gives results?

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What descriptive statistics are relevant for my project?

I am doing a project - comaprison of ethnic minority and majority mental health in terms of their past experiences of racism, discrimination and bullying. Im unsure what descriptives I need and...

04 March 2024 3,320 1 View

Can we perform RFLP on PCR product extracted from agarose gel electrophoresis?

I have performed RFLP for WT and mutant sample. The WT sample was only PCR product, while mutant band was extracted from agarose gel electrophoresis (it was checked on gel again to see the...

17 January 2024 6,427 4 View

Has anyone else received this email?

Dear Prof. I hope this letter finds you well. It is my honor to extend to you an invitation to speak at our upcoming scholar's conference for researchers and students across Asia. Your...

16 December 2023 5,127 3 View

Has anyone else received this email? Is this the scam?

[email protected] Dear Prof. Fariha Kanwal I hope this letter finds you well. It is my honor to extend to you an invitation to speak at our upcoming scholar's conference for researchers and...

16 December 2023 4,906 66 View

Is there legal research listing legal cases of minority or immigrant children placed with other cultural foster homes?

I am trying to research legal cases where non-indigenous and non-caucasian children are apprehended from their families and whether culture plays any significant factor in their temporary placement.

25 November 2023 215 0 View

How to set K-points or symmetry points in quantum espresso to draw band diagram for HfSe5?

Unfortunately, I am unable to set the K-points and energy values as in the figure. Instead of M symmetry point, in the graph it gives S point. I am using the xyz file of HfSe5. Can you guide...

09 October 2023 3,466 1 View

What can authors do if they are publishing in open access journals but their instution is not covered in the APC waiver fee list?

I am preparing a research article on public health and health promotion for a BMC Public Health journal which is open access. My university is not a member of the Springer Nature membership for...

07 September 2023 6,474 2 View

How to convert H2 percentage value obtained from GC TCD into micromoles/g/h?

I am currently working on photocatalytic hydrogen production but I am unable to convert hydrogen value into micromoles/g/h. The results obtained from GC TCD, file is attached below.

20 August 2023 967 6 View

How can I Synthesize 1-bromo-2-hexanol in good yield? and how to purify the reaction mixture?

I am following this protocol (attached) but I get more of side product (bromo hexane) and very less amount of 1-bromo-2-hexanol.

07 June 2023 6,169 0 View

I am looking for an accurate method for determining the IC50 value?

I have used different methods including graphpad prism, excel and various other online tools but i get different values each time. I want to know how IC50 can be determined from % inhibition and...

02 October 2022 1,111 4 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

Where can I find the recent population of Indian cities (2020s) ?

Census data seems only to reach the year 2011, but there might be estimates somewhere that I cannot find? I am looking not only for the largest cities but also towns etc. Thanks!

10 August 2024 857 4 View

Hello researchers Is this a random laser or just fluorescence?

I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.

09 August 2024 9,894 2 View

1. If I can quantize the atom using this hyperbolic spiral and classical physics, could nature do the same?

If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...

07 August 2024 5,343 2 View

How to prepare the nanoparticle treated fungal sample for Environmental SEM analysis?

A fungal strain was treated with nanoparticles. We want to do an environmental SEM analysis. So could anyone share your views on preparing the sample? Thank you.

07 August 2024 5,307 1 View

Is there anyone with experience in TEM analysis who can assist with a manuscript for an upcoming journal?

Hello dear colleagues, We have prepared a manuscript on NiTi-based alloys and are seeking a second opinion on our current TEM results. If you are a Ph.D. holder with experience in TEM and have...

07 August 2024 9,563 0 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

What should Berlin do as a city to become as impactful as London and Paris in World Football?

Please go through my Abstract. I can also share a proposed Thesis Outline.

04 August 2024 2,077 0 View

Which distribution type should I use when calculating the average particle size from TEM image? and how to calculate the error ?

average particle size calculation from TEM

04 August 2024 2,921 1 View

Why reactivity isn't increased with more empty spots in valence shell?

If from a geometric perspective the non-halogens, non-noble gases have more empty spots in their valence shell, and the filling/exiting of any of the empty spots in the shell constitutes a...

03 August 2024 4,787 2 View