Can I study the effect of 2 independent variables on a dependent variable when there is an effect relationship between the independent ones too?

Hello researchers.. I want to study the effect of teacher's mindset on students' attitude and the effect of students' mindset on their attitude. But I know there is an effect relationship...

26 January 2021 1,853 1 View

Do you have the XRD JCDPS of Polycrystalline ZnS?

Hi, I need the JCDPS of polycrystalline ZnS, it would be appreciated if you could help me through this thank you in advance

30 November 2020 3,342 3 View

Any recommendation for Bacmid DNA isolation?

29 November 2020 5,284 6 View

How to report when instrument reading is less than LOQ?

ICP-OES LOQ value, for example Cd : 1 ug/L (ppb). Sample reading 0.5 pbb. (Sample prepared 0.5g/50mL). In this scenario, should I report result (0.5 ug/L(1000mL) x50mL/0.5g=0.05ug/g) or Less...

25 October 2020 6,452 11 View

How can we know that there is a cross contamination between two samples when we are doing the interpretation of PCR results?

PCR interpretation for COVID-19

02 October 2020 6,086 3 View

Should a full course in Management Audit / Internal Audit be taught in an MBA ( Major- Finance) program ?

Your inputs most appreciated.

07 September 2020 6,231 28 View

How can I improve research using ultrsound irradiation for preparing organic compounds ?

How can I improve research using ultrsound irradiation for preparing organic compounds ?

11 August 2020 986 7 View

Looking for reliable databases for thermophysical data for Phase change material for ML?

Hi everyone, I have been having a bit of a hard time finding data on phase change material, like Paraffin, salt hydrates, fatty acids... on the scale of 100s to 1000s. The big repositories only...

28 June 2020 290 3 View

Does insect such as flies and mosquitoes transmit the COVID-19 virus as a mechanical transmission?

Does insect such as flies and mosquitoes transmit the COVID-19 virus as a mechanical transmission? Virus transmission take place by insect legs, mouth parts and other body parts.

15 June 2020 6,000 98 View

What are the public datasets available for emotion recognition?

I am currently working on emotion recognition. I am looking for a dataset that contains labeled image files for emotion (i.e. happiness, sadness, etc). I've found several dataset but not exactly...

06 May 2020 9,650 7 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Sutter electrode holder leaking after applying positive pressure. How to fix?

I am using a Sutter electrode holder for my patch clamp experiments, but I'm having trouble keeping positive pressure inside my electrode due to a leak out of the back of the holder. I have added...

02 March 2021 5,829 1 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

What do I do with DLS peaks that are from the buffer?

I'm looking at the aggregation of my protein sample using DLS. Unfortunately, my buffer (20mM HEPES) also results in a set of peaks. These are at approximately 1 and 1000 d.nm. The lowest peak...

01 March 2021 9,015 2 View

Is there a fast method matching citations to bibliography (manually typed references)?

I need to be able to match in-text citations to a reference list and back again in very large documents (100+ pages) WITHOUT the use of referencing software like Endnote. my method is to type the...

27 February 2021 9,848 1 View

Are there lab markers/pens resistant to Roti-Histol?

Hi, I'm looking for a pen/marker to write on the smooth, transparent (non-frosted) part of microscopy slides which does not get washed away by alcohols and most importantly Roti-Histol. I want to...

24 February 2021 9,902 5 View

How to empty large intestine in mice ?

Hi all I am working on colon-targeted drug delivery for which I kept mice fasting for 6h using fasting grills during scotophase (dark period). I observed liquid fecal content in the cecum and...

23 February 2021 7,701 2 View

How to find natural frequency of a bridge from vehicle induced vibrations?

i have frequencies of bridge that are effected by mass of vehicle. the problem is when any vehicle pass the bridge it would add the its mass to the bridge mass ultimately mass of the bridge will...

22 February 2021 10,004 3 View

I have a problem with kanamycin - why the kanamycin doesn't affect?

Hi everyone, I need to expression of GFP with pET28 plasmid in E. coli BL21(DE3) plysE. Transformed cells have kanamycin and chloramphenicol resistance. Normally, only transformed cells should...

22 February 2021 4,032 4 View

How does elongation affect the resistance of an electrode?

What are the testing rate for electrodes recommended by ASTM for cochlear implants. I am currently doing the 15mm/min elongatio testing.

22 February 2021 1,515 1 View