Which software is better to write systematic review paper?

We have seen some authors use some software to write review paper. As obvious, the study of all published papers concerning our studying field is not possible and these software can help us to...

27 February 2021 6,296 1 View

Reaction condition to convert NH2 to COOH?

I need to couple Dopamine by NH2 end to silica nanoparticles coated by PEG-NH2, but first i need to convert the PEG-NH2 to COOH by using succinic anhydrous ... can you suggest a reaction condition ?

13 February 2021 2,768 4 View

Surface modification of silica nanoparticles with PEG?

I'm trying to coat my silica NP with diamine PEG, so i used GOPTS to add epoxy group on the surface of the NP then i'll add the PEG. I can not found protocol for SiNP coating PEG, most of the...

13 January 2021 4,915 4 View

Silica nanoparticles synthesis using Stober method with size rang 30-50 nm?

I'm preparing silica NP controlling the size by using different concentration of NH4OH. 1- 16.75 ml ethanol. 2-0.5 ml TEOS. 3- NH4OH (0.3- 0.5- 0.75- 1 ml) mixed for 24 hr then evaporate the...

27 November 2020 1,504 13 View

Which neuronal cell line contain D1R?

I'm formulating a drug delivery system that could stimulate Dopamine receptor, For that i need to choose cell line that contain D1R and could be simulated using my delivery system... I have read...

20 November 2020 9,104 2 View

Problems in PCR using Folmer primers, can you help please ?

Hello, I'm using the classic Folmer LCO1490 and HCO2198 primers for a venerid bivalve ADN for two months but the results are still negative, I can't see the bands. 1. I tried to change the...

03 November 2020 9,190 3 View

How to culture prokaryote and eukaryote from the gut of marine organism?

Info regarding the type of media and culturing condition would be really appreciated. Thanks

21 July 2020 6,937 1 View

Calculating sample size for a multivariate regression in GPOWER?

Hello I currently have two dependent variables (with 4 measurements each) and two independent variables My question is how to calculate the sample size using Gpower for multivariate multiple...

21 November 2018 5,719 2 View

CDNA conc. for RT-PCR?

what is the recomended conc. to prepar cDNA to run rt-pcr for brain rat tissue.. i used 50ng/ul some primer gave ct value btw 20-22 but other above 30.. ?

30 October 2017 7,016 3 View

How do i increase the RNA 260/230 ratio ?

i did RNA extraction using differnt protocol triazol and invetrogen RNA mini kit .. the 260/280 ratio was 1.9 to 2.1 but for the 260/230 i got 1.5 to 1.8 in both protocols, should i consider it...

29 October 2017 4,780 4 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

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

What is the difference between genotype and haplotype data in the ped format?

Hi everybody In the ped format for genotype, alleles of any SNP are represented by two columns (one for each allele, separated by a space). Is a column sufficient for the haplotype to...

27 February 2021 1,965 1 View