I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future ?

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future without necessarily conducting the assay for an extended...

23 February 2021 7,842 1 View

No mRNA increase in PCR after successful transfection in ARPE-19 cells ?

Hello, i am a bit curious about my results. I transfected the human cell Line ARPE-19 with a Plasmid containing a GFP tagged p53 (p53-GFP, Plasmid #11770). After 24h i checked under the...

18 February 2021 3,811 7 View

Do there exist stand-alone permanently in-ground soil-moisture sensors with an installed GSM module, for outdoor use?

Am searching for a stand-alone permanently in-ground soil-moisture sensor with an installed GSM module, for outdoor use. The idea is for the sensor to send a moisture reading via a cellphone text...

04 February 2021 2,047 4 View

What is the easiest way to remove the water from organic solvents?

Hello everyone! I have one question. I have couple of solvents and all of them were pure when they were bought but after some months or years of storage after opening I am not 100% sure about...

03 February 2021 2,154 8 View

Virus neutralization assay in BSL2 lab?

Hi I want to set up a virus neutralisation assay such as PRNT or FRNT at my lab (BSL2), but im uncertain of the bio safety requirements that has to be fulfilled in order to work with...

01 February 2021 5,626 3 View

Using LINK11 to Apply force in ANSYS APDL?

I'm trying to use LINK11 to apply a force as if it was a cable pulling a structure twowards a point in ANSYS APDL. When I solve the model, the deformation of the overall structure is far too...

30 January 2021 7,919 1 View

Cytoflex Flowcytometer, clotting issues and cleaning procedures?

We have been having clotting issues with our Cytoflex S from Beckman Coulter. Back in December 2020, we had to have the tubing system and sample needles replaced, but we are beginning to observe...

28 January 2021 6,897 2 View

Difficulties purifying Outer Membrane Vesicles using a Sucrose Density Gradient: Unable to detect any protein after this process?

I'm currently trying to purify Outer Membrane Vesicles (OMVs) following their extraction from the bacteria I'm working with. After the initial extraction the concentration of protein seems good...

27 January 2021 6,852 3 View

What excamples do you know wasting unused contents of "empty" packaged products?

Most of us use tooth paste more times a day. The empty tube we throw away. I wondered how empty the tube really is. This does not sound being Research? I began to collect empty tubes...

19 January 2021 808 3 View

What is the largest disadvantage in using of face masks at present? What would you like to be improved?

We all use face masks many hours a day. I wonder what are your items you like to be improved. We have the opportunity to write an application for support to a sponsor. Your answers will help us a...

18 January 2021 1,311 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

Research on Supply Chain Management in Indian context?

Hi, I am planning to apply for the PhD degree in the Supply Chain Mgt. with specific area of "Cold Storage warehouses" during Pandemics and wars. Where lock downs and shut downs are frequent....

02 March 2021 285 2 View