Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Can you correct the wt%/at% of an incorrectly assigned peak in EDS?

For instance, I get a spectrum and the software incorrectly assigns a Si peak as W. If I don't catch it on the software and only have the report (which lists both wt% and at%), is there a way to...

10 February 2021 7,665 4 View

What's wrong with my sample stained with MAP2 antibody?

I've studied and fabricated a nanostructured substrate for the enhancement of neuronal differentiation. I usually confirmed the levels of differentiation using immunocytochemistry, but I recently...

20 September 2020 5,725 3 View

How can I calculate or see bond angles in Gaussian16?

In Gaussian program, I calculated formaldehyde using "opt+frq". In the results, I can see the bond length and so on, except bond angles. How can I see the bond angles in that program? Thank you...

30 July 2020 7,165 3 View

Why this HPLC data show negative peak?

Lysine was dissolved in mobile phase and injected in HPLC but there are two peaks. One for positive at 2.1 min and another for negative at 2.8 min? Contents of moilbe phase are ACN:Water:TFA =...

08 July 2020 2,695 13 View

Control sample: cells that have not been treated with drugs, only DMSO in a MTT assay displays detachment from plate, why would that be?

The control sample set of the MTT assay is shown to have detached from the plate as seen by the clear area (without the formazan crystals), when even cells that were treated with low levels of...

19 March 2020 4,670 3 View

Does color or lighting/reflection influence behavioral test in mice?

Our pole test apparatus includes a metal pole covered with white cotton thread, with a grey plastic base that gives a slight reflection. In our experiment, many mice reach within a few centimeters...

17 January 2020 9,969 1 View

How can I analyze height of nano-pattern sample through scanning electron microscopy (SEM)?

Hello, I'm fabricating nano-pattern through LIL(laser interference lithography). I want to check the height of pattern sample through SEM, since our lab has it. I've tried to check the height of...

01 July 2019 2,733 3 View

Is it possible to take AFM measurement of Graphene oxide sheet with Iron oxide particles?

I'm wondering it's possible to take AFM measurement of Graphene oxide sheet conjugated with micro-sized Fe3O4 particles. If possible, which mode (e.g. contact, non-contact, and tapping) is the...

06 June 2017 5,577 4 View

Real-time fluorescence imaging for insulin secretion?

22 March 2017 7,480 2 View

Good sites to recruit survey participants on a grad school student budget?

Any good recommendations for participant recruitment for online surveys on a grad school student budget?

02 March 2021 4,293 4 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

IF troubleshooting: looking at an intracellular protein that localizes to the cell's and how to reduce increase in signal due to cell ruffles?

I am currently trying to stain for PI3KBeta in MDA-MB-231 cells. My current issue is that 1) beta stains all over the cell and 2) there is an increase in signal at the edge of the cell and this...

24 February 2021 8,582 1 View

How Islamic State recruited European experts?

I am looking on literature analysing how Islamic State recruited civilian experts as computer technician, experts in managing public goods, doctors, nurses... from Western countries. Is there...

21 January 2021 6,148 10 View

In what ways do you recruit new PhD students?

All supervisors know well that recruiting new PhD students is a challenging process. This is because both, the supervisor and the PhD student must commit to the process, that can last at least...

16 December 2020 4,002 4 View

What is the lowest sample size for a fMRI study on the default mode network (DMN)?

I'm interested to start a fMRI study focusing on a group of professionals with special expertise. It's very difficult to recruit them. Just interested to about the smallest sample size possible...

19 November 2020 7,149 2 View

Where can I recruit healthy control participants for survey research?

Question: Can anyone please provide recommendations for how / where I can recruit healthy participants (roughly between the ages of 18 - 25) for an online survey-based study? Context: I am...

29 July 2020 8,941 3 View

How to include migrant parents in a research study without asking about their legal status?

I am conducting research on children of migrant parents and want to include children of parents who are legally resident in the country as opposed to illegal immigrants. This is for protection...

02 June 2020 6,566 2 View

Do you mind answering a quick survey ? One minute only ?

Hi How are you ? languages are important in our world.. Mostly for you, if you need us to proofreading your articles. You need good translators to do so.. I set up my translation agency by the...

23 May 2020 1,323 3 View

Recruitment of Children - Ages 5 - 12 year olds - best methods?

Hi All, I am running a study which requires two visits for children to complete an EEG (Brain scan) and an eye tracking task. We are currently working a recruitment plan for after the Covid-19...

30 March 2020 8,737 3 View