Rdf of atoms from a COM or point in lammps or VMD?

Hello all, as I understand there isn't any straight way to get an rdf of atoms from the center of mass or a coordinate of specific atoms in lammps. I wonder if anyone know any trick or way to get...

16 February 2021 2,517 2 View

Could anyone help me about my problem with getting current in armchair MOS2 nanoribbon in transiesta?

Dear siesta users I am using transiesta code to get the I-V characteristics of Armchair MoS2 nanoribbon as scattering (with 8 unit cells) and electrode material. All the calculations (electrode,...

12 October 2020 4,306 6 View

About use of Fluoranthene as standard in HPLC?

Dear all; I want to work on the ecotoxicological effect of PAH (fluoranthene) on different organism species.... But I can not find its analytical standard in my country, Can I use Flournthene 98%...

05 July 2020 2,736 7 View

What kind of dialysis cassette is needed for CaCl2 in silk fibroin dissolving?

Hi! Recently, I am working on silk fibroin extraction for biomedical application. I have some problem in details of extraction and dissolving of silk fibroin. For example, I don't know what kind...

26 June 2020 3,927 1 View

What kind of dialyses cassette is require for extraction of silk fibroin base on nature protocol 2011 (Attached in following)?

I have some question about the laboratory process of extraction silk fibroin from Bombyx mori base the Prof. Kaplan protocol. How much Silk cocoon need for 20 experiments? How dialyzes the final...

15 June 2020 8,694 1 View

Is there any dye for staining the axons?

Hello everyone, I was wondering if there is any chemicals dye that stain the axons. Thanks

20 February 2020 7,303 3 View

No title

I'm trying to collect milk from our knockout mice (at the end of the lactation stage) to isolate milk exosomes. But I have a hard time with milk collection from mice. I have used either pump or...

22 January 2020 4,527 1 View

How to design primers for gene variant or isoforms? Preferably by Allel ID?

I am trying to design some priers for RT-PCR. As my genes have many isoforms, so I have to design primer for conserved sequences. but the results aren't satisfactory.

17 March 2019 3,346 3 View

Why is it used in bioassays studies with essential oils for effect pesticidal from acetone solvent instead of DMSO?

In bioassay studies, the effect of essential oils is used as an insecticide from acetone, but is used to study the microbial activity of essential oils from DMSO solvents. Why?

12 March 2019 5,664 7 View

Which type of surface modification should be used to match metal and graphene?

graphene is the reinforcement in the metal matrix

26 February 2019 4,160 3 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

MGL tools

20 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

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 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

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Timeout error!! Processor in the loop (PIL) using STM32F4 Matlab 2018a?

Dear Researchers I am trying to perform a PIL simulation using STM32F4 Discovery board and comunication serial USB TO TTL. During simulation I receive the following timeout error: An error...

01 March 2021 2,327 1 View