Why wont my microbial fuel cell generate any current?

I have constructed a 2 chamber MFC for my senior research assignment and it has yet to produce any voltage. I used nafion as a PEM membrane and used graphite brushes as the electrodes. I have the...

11 January 2021 5,553 4 View

Contrasting singular means?

Does anyone know of a method or approach in SPSS to contrast singular mean scores of overall samples, based only on the overall mean value, standard deviation figure and sample size? The data is...

29 September 2020 5,872 6 View

I tried to prepare a MgCl2 4M solution using anhydrous magnesium chloride (overnight) but doesn't dissolve completely in water. Any ideas?

its a very exothermic reaction so didn't use heat. As well, the colour of the solution changed to grey.

06 July 2018 1,625 3 View

How/why does commercial/popular laboratory quality control not reflect risk management?

Do you think the question of Risk Management vs Statistical Quality Control is a subject worth further examination? Best Practice from groups of scientific experts published by ISO, CLIA and...

22 May 2018 1,078 4 View

Will you send QC data and/or analyse results for a study on risk metrics and effectiveness of QC processes?

I am seeking QC data and collaborators for glucose, calcium and sodium for March, 2018. Please send data and/or join a team to evaluate the results. http://rmw.awesomenumbers.org/spring2018 We...

03 April 2018 7,222 4 View

Is DMSO no good once it freezes?

Hello, I was told that I had to refrigerate my DMSO for storage purposes, I plan to use mine for transdermal application of a plant based molecule. I took it out of fridge today after noticing it...

21 September 2017 6,613 1 View

Why does most commercial RNase A lyophilized powder have DNase activity?

14 March 2016 1,273 1 View

I have a question about a hierarchical GLMM. Can anyone help with some SPSS Genlinmixed syntax?

I'm working up to fitting a Tweedie GLMM in R (mgcv). At the moment I'm playing in SPSS to sort out the data and some ideas for random effects. The data are from a survey of coastal dolphins on a...

10 February 2016 3,747 1 View

Is there a buffer that can operate in the 3-5 pH range that does not contain organic acids?

We are using a system that has metal ions. We need to use a pH 3 or 4 buffer that does not contain organic acids, as they chelate the metals.

20 July 2015 5,277 3 View

Does anyone know where we can get our hands on some Level 1B ASTER scenes for selected areas in northern/eastern Australia at low/no cost?

Can supply the image centroids that we are chasing on request.

27 November 2013 6,662 5 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

Guidelines for survey (question type) analysis?

Hi. Please tell me what guidelines should i need to follow for questionaries' type research work in India. It is not hospital based work, we are conduction basic institutional based qualitative...

03 March 2021 2,037 3 View

How to access MSCI KLD Stats and Sustainalytics?

Hello all, I'm currently working on my undergraduate thesis and I'm having difficulties trying to access KLD Stats and Sustainalytics because my campus Airlangga University and apparently other...

02 March 2021 8,525 1 View