Species identification.Who can tell me the scientific names of these Gastropods?

Species identification. I've been doing research on communities of marine macrobenthos recently, but some of them can't be identified, which hinders my research. Who can help me identify these...

14 December 2020 8,357 3 View

I alway get serval big plaques even with very high concentration of bacteriophages. how to get well-distributed plaques with double layer agar method?

I used MS2 (ATCC 15597-B1) strain to do my experiment. I always get serval big plaques (like the picture I attached), but not a plate which has a lot of small plaques I saw from other research....

15 November 2020 7,488 4 View

How can I make the Gold-Antibody conjugate stable ?

I did competitive lateral flow immunoassay using gold bridge method. Antigen-fluorescence bead and immobilized antigen on the PMMA membrane is no problem to measure the optical absorption at 37...

24 August 2020 2,684 4 View

How to represent damping in a system with nonlinear stiffness?

We all know that damping can represent by Damping ratio and Natural frequency . We can represent the damping in terms of ( ''Linear stiffness - The first term in the nonlinear stiffness )...

25 May 2020 6,323 7 View

RNA extraction methods for virus w/o centrifuge?

20 April 2020 4,990 3 View

Anyone has experience in "ligation-free in vivo DNA assembly in E. coli"?

There is a recent publication titled "In vivo DNA assembly using common laboratory bacteria: A re-emerging tool to simplify molecular cloning" (J. Biol. Chem, 2019; doi:...

05 March 2020 153 3 View

How to express and purify Zinc-binding proteins?

We are working on a protein that is predicted to contain a zinc finger (ZnF). Could someone share your experience working with ZnF proteins? Should we add Zn during expression in E. coli? If so,...

23 February 2020 2,125 1 View

A few questions about neoantigens for cancer therapy?

In trying to getting more effective neoantigens for cancer therapy, I have some questions as followings. 1. T-cell activation is considered to be more important than B-cell activation. Which...

01 February 2020 5,667 1 View

How to characterize formation of semi-interpenetrating polymer network (IPN) structure?

Now I am working on synthesize semi-IPN hydrogel based on polysaccharide and vinyl based monomers. Is there any direct characterization method to confirm formation of the semi-IPN structure?...

15 January 2020 2,269 1 View

Why do the recrystallized grains produced by annealing after cold working have different orientations?

09 May 2019 9,420 2 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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View