What other reagent could be used as a positive control of the Griess method?

I use LPS at 5ug/mL as a positive control in the Griess method, but nitrite production is very low.

06 July 2019 4,009 4 View

I can use fluconazole for eliminating fungi in cultured cells?

09 October 2016 5,783 1 View

What mathematical formula is used to determine FFU/mL?

08 September 2015 3,074 1 View

Why do my VERO cells die after a while?

VERO cells die after a while. There isn't evidence of contamination (bacteria and fungi). In addition, other cell lines aren't killed and with the same culture medium VERO. Which can be?

02 March 2015 8,189 7 View

The SGR amplification curve in my qPCR does not appear. However, when I put the SGR qPCR product in agarose gel the amplicon appears. What happened?

SGR is a sample and PJFH1 is endogenous control. *The mixture was the same for both samples, changing only the primers.

02 March 2015 4,370 10 View

Does anyone use the reading of 495nm to assess cellular viability in Huh7.5 cells (MTT method)?

MTT method

05 June 2014 9,844 5 View

Does anyone know the base sequences of human endogenous primers for real time PCR? Such as BAC1, HPRT and GAPDH.

Companies sell with probe, but I don't need the probe. How to get the base sequences of the endogenous primer?

01 February 2014 5,667 3 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

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

No title

02 March 2021 3,060 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 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