Open Access Journal Research Center, a predatory publisher?

Dear Peers, I recently received an invitation as a guest editor from a journal under Open Access Journal Research Center (OAJRC). The OAJRC is not listed in the predatory publishers, but the...

09 November 2020 1,575 7 View

How to avoid particle aggregation when using Laser Direct Infrared (LDIR) to analyze microplastics?

I am trying to use LDIR system to identify microplastics of different types. However, significant aggregation of microplastics was observed during analysis. Especially for particles with a...

17 September 2020 1,532 1 View

Are there any platform to publish analysis protocol for human factors assessment?

I only find a BMC journal "Trials" to publish " randomized controlled trials in health ". https://trialsjournal.biomedcentral.com/ Are there any platform to publish general protocol for...

02 July 2020 4,691 3 View

DNA absorbance test on SpectraMax Microplate Reader, why A260/A280 false?

Hi guys. Here is the problem: Using an SpectraMax Microplate Reader for DNA absorbance test, there is one problem that the A260/A280 is always wrong, sometimes half plate wrong and sometime,...

29 March 2020 5,972 3 View

How can I observe my bacterial pellet after a centrifugation of a low concentration suspension ?

Hello, I'm currently working on DNA extraction from E. coli suspended in PBS. I'm working with concentrations ranging from 102 CFU/mL to 105 CFU/mL (and 108 CFU/mL as a positive control) and I...

02 March 2020 7,522 14 View

What progresses have been made in improving the assessment of motivation for a career with high income, high pressure, high risk and high expertise?

Hi all, For example (just an example), it will be a huge waste of time and money if a Ph.D candidate in physics at MIT becomes bored with academia or is scared away and withdraws. Then how can we...

07 November 2019 815 3 View

Control chart for kinematic viscosity?

I am interested to hear from people's opinion from the oil industry, or any company who performs QC check with kinematic viscosity. We got a CANNON kinematic viscometer in lab. It seems to be a...

27 October 2019 8,369 3 View

How can i implement Thomas-middlecoff method in matlab?

Hello everyone, I wonder if anyone can give me some advise on the matlab code to generate a mesh by solving the elliptic equation. Its some basic knowledge in the field of CFD, with which i am...

18 December 2018 6,181 1 View

How do I compare two time series volatility is similar or not?

11 December 2018 9,566 2 View

Can anyone offer me a booklist about learning algebraic geometry?

such as the book written by Hartshorn

07 September 2018 8,968 11 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

Why does blocking with my immunogenic peptide cause nuclear fluorescence in ICC?

Hi all, I am validating a polyclonal antibody raised against human ANT4, through WB and ICC. In most of my controls, the antibody shows very little off-target binding, but when I pre-incubate the...

03 March 2021 5,999 3 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

Have someone successfully used the ER alpha (Santa Cruz sc-8002) antibody in immunostaining ?

Santa Cruz now recommends this new antibody (F-10) but I can't find a publication using this reference. I'm working on human et non human primate hypothalamus and so far, it doesn't work. Is...

02 March 2021 10,003 2 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