Graphene oxide without -OH functional group?

One of my friend has sent me two FTIR curves of graphene oxide (sample 1- partially and sample 2 - fully oxidized). However, both of curves do not posses peaks for -OH functional group (usually at...

15 August 2019 1,815 3 View

DNA Ladders - Cheapest Option?

Dear Fellow Scientists, My lab just ran out of DNA ladders (and my student only told me today). The ordering process takes a long time in Sri Lanka and I'm wondering what would be the best bet for...

16 March 2017 3,543 3 View

Can anyone reckon the best user friendly software for qualitative data analysis?

I am conducting semi-structured interviews, field observations and focused group discussions for my study. I would like to know the most suitable, user-friendly and convenient software for such...

13 November 2016 4,034 17 View

No title

On 2016/9/21, 10.30 AM there was an explosion in chemical laboratory of Donghua University. Three students who were involved in synthesis of graphene via a chemical method which is widely cited as...

24 September 2016 8,510 4 View

How to interpret three way ANOVA significant interaction effect (none of the others are significant) ?

I conducted 2*2*2 experiment and only main interaction is significant (2*2*2). All the other interactions and direct effects are not significant. Please let me know the steps of interpreting the...

12 May 2016 2,260 4 View

Can anyone suggest some universal primers for Nitrogen Fixers?

Hi All, We have been using the PolF and PolR primers (Poly et al., 2001) to identify nitrogen fixers but unfortunately only ~ 10% of the isolated bacteria are giving the correct 360 bp...

08 September 2015 1,478 3 View

Does anyone know about Taq polymerase storing temperature?

Hi, We don't have with us a -20C freezer and we are storing Taq polymerase at -80C........Would this affect the lifetime of the Taq Polymerase ? Your input would be greatly appreciated. Best...

02 September 2015 7,138 6 View

Human versus Plant Dcp2 mRNA Decapping Enzyme papers

Dear All, I just looked at the human hDCP2 enzyme paper from 2002, that has a staggering 439 citations, while mine on the AtDCP2 enzyme, published in 2007, in Nucleic Acids Research, has 25....

01 January 1970 5,640 1 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 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

MD MOE RMSD

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

07 August 2021 0 0 View

MGL tools

20 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

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

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View