Please how can I justify my regression results?

I conducted a study to investigate stock market reaction to equity issues announcement and i ended up with 64 announcements and i then used the announcement day returns as my DV and investigated...

14 January 2021 1,127 3 View

How to correctly indicate a zinc finger in a protein for molecular dynamics?

I am preparing a protein that has a Zn finger for molecular dynamics. To indicate the finger of Zn a patch is placed in which the deprotonation of the cysteines is necessary so that the Zn ion can...

05 March 2020 1,425 3 View

No title

28 February 2020 1,633 2 View

How do I calculate solar absorbance and thermal emittance of absorber coating from reflectance spectrum using standard AM 1.5 and blackbody radiation?

I have a reflectance data of my solar absorber coating from UV-Vis, I want to calculate the solar absorbance of my coating using standard reference spectrum AM 1.5 and thermal emittance of thesame...

15 November 2019 225 3 View

How can Iimprove the resolution on a GC?

When I run a O2 and N2 standard in the gas chromatograph, the peaks are overlapped, How can I improve the resolution of the chromatogram. This situation is new, last monththe calibrationwent just...

22 August 2019 4,050 6 View

On a EVO LS10 SEM, I can see images on spot 0 of the aperture, however on spot 1 and 2, I cant see any images. what could be responsible for this?

I an using the EVO LS10 SEM from Zeiss, I can see images on spot 0 of the aperture, however when the aperture is switched to spot 1 or 2, I am unable to see any image. Please what could be...

05 February 2019 3,902 1 View

Where to get yeast W303-K6001 strain?

15 September 2018 3,735 2 View

My solvent-casted PVDF film was opaque and somehow shrunk during vacuum drying. What should I do?

I'm trying to make smooth PVDF film using solvent casting dried under vacuum from 20 mL of 15% PVDF in DMF solution. The vacuum dryer temperature was at 55 deg C. After some time, this is what I...

29 January 2018 803 4 View

How can I get rid of the polysaccharides on orchids tubers to isolate DNA?

I try to isolate DNA from orchids tubers, the problem is they become kind of gelatinous because the polysaccharides.... so I want to get rid of them. Thank you!

18 September 2017 9,815 3 View

Shuold the "Reads" be included or taken into consideration for calculating the researcher's score in RG?

Any RG's member

02 March 2017 6,338 8 View

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

03 March 2021 8,272 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

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

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

Resistivity of PVD TiNx thin films vs. N2 flow?

In the PVD of TiN thin films (~100A), I've found the resistivity of the TiN films dropped from ~100 to 60um*cm with N2 flow increasing up to the metallic mode ending point; then the resistivity...

21 February 2021 1,864 2 View

Where can the fault diagnosis data set of lithium battery be found?

Most of the data sets on the network only contain good information about the voltage and internal resistance of lithium batteries. The data of faulty battery is missing. Who can help me, I will be...

21 February 2021 8,659 1 View

How to produce huge amount of protoplasts from Fusarium graminearum?

Hi, all I am using some protocol for protoplast production from Fusarium graminearum (Fg), but I need them in a huge amount. Sometimes the protocol worked well but most of the time failed....

14 February 2021 2,286 4 View

Recommendations on CO2 Resistant Rocking Shaker?

A certain protocol we have developed requires the use of a Rocker/Rocking Shaker in which our dishes with cells are maintained in the incubator. The rocking is essential to the protocol but we...

09 February 2021 3,291 1 View

Which is the most accepted taxonomy in Resistance to Change literature?

I am searching for a well accepted taxonomy of resistance to change and in terms of its underlying causes/roots.

04 February 2021 497 3 View