What statistical test to use in SPSS to investigate relationship between continuous variable and national mean for another variable?

I am exploring the readability of court decisions in 5 countries. I have a quantitative readability measure (continuous variable, my dependent variable) for each decision - about 50 decisions per...

08 February 2021 419 3 View

How are the degrees of freedom calculated for a bootstrapped Independent Samples t-test?

I am currently writing up findings for my masters dissertation and I have noticed that APA often require the t statistic, the p-value, degrees of freedom and sometimes the confidence intervals...

08 August 2020 5,367 3 View

What am I doing wrong in molar solution calulation?

I recently read: "The perovskite solution for the solvent quenching method (MAPI) recipe was prepared by dissolving 553.2 mg PbI2 and and 181.23 mg MAI in 1 ml anhydrous DMF/DMSO (4:1, v:v) to...

17 May 2020 9,876 7 View

What are the molecular determinants for formation of adducts in electrospray mass spectrometry?

Dear all, depending on the molecular structure of an analyte different adducts during the electrospray process are formed. Even when high (up to 5 mM) of ammonium salts are present in the LC...

13 May 2020 6,621 3 View

How to make a simple perovskite diode without HTL and ETL?

I am facing trouble in making a simple perovskite diode in order to study the deep level traps of the perovskite semiconductor layer. Since the properties of perovskite layer are needed to be...

20 January 2019 2,593 4 View

Are there any Cryopreservants/Cryoprotectants with no DMSO?

Hello there, I'd like to ask whether there are any cryoprotectants/cryopreservants medium with no DMSO in them. Specifically to use it for freezing tissue such as collagen scaffold. I have found...

12 November 2018 8,949 3 View

Does anyone titrate their secondary antibodies for intracellular flow?

Hey everyone, I'm working on creating a flow QC panel. I have a few sets of 3 intracellular and 3 surface markers that I know have worked well in the past for ICC and flow applications. My...

27 September 2018 6,166 1 View

My extracted RNA from cells has good A260/A280 purity but poor A260/230 purity. What can I do?

Hello All My Microbio Experts, I'm a total noobie in this field so go easy... I've extracted RNA from cells and the A280/A260 values look good (~2.0 for most samples) which means the RNA is...

31 July 2018 6,802 1 View

What's the best type of optical microscope for inorganic materials analysis (thin films, electrodes, etc.)?

I'm not familiar with microscope types, features etc. and our R&D group wants to purchase a new microscope to characterize our sensors, materials, etc. Can anyone recommend a good type or brand?...

29 July 2018 2,731 6 View

Are there any (non-pathogenic) microbial standards that can be used to spike into water samples to evaluate disinfection methods?

I would like to evaluate the relative efficacy of various disinfection methods such as UV lamps, ultra-filtration, etc. to remove microbes from water samples. I may need to spike microbial...

26 April 2018 3,992 4 View

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

I have tried to download the 64-bit version of MGLtools however, as many times as I have downloaded and uninstall the programs, an error arises that the app needs to be updated. Thank you.

03 March 2021 5,997 2 View

How to analyze a particular region of my simulation box in GROMACS?

Hi, I am using GROMACS 5.1.4 to simulate water in contact with a surface. I am only interested to calculate some properties of water near the surface. Let's say at a distance of x nm from the...

03 March 2021 9,989 2 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

How to get onecolumn document from standard IEEE ACCESS LateX template?

I have prepared a manuscript in IEEE Latex template, but for some purpose, I need to prepare a word file as well (detailed format is not required). Compared to two column .tex file, one column...

02 March 2021 1,830 3 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

How can the modification of garden soil cause global warming?

Hello, I am working on a soil project and I found a primary research article that tests how the modification of agricultural soil can cause global warming, using a thermal collector, however I...

02 March 2021 7,161 3 View

PACYC PCR not working after several attempts. Would anyone have any suggestions?

So, I have been trying to run a pACYC PCR which will be used later on for a Gibson Assembly. However the PCR is not working. I have already tried gradient PCR and changing extension time; however...

02 March 2021 1,146 2 View

Which is a lucid standard comprehensive book to guide on psychological scale construction and its standardization?

02 March 2021 7,082 3 View