What corporate social responsibilities do social media companies have in relation to the use of psychographic profiling in advertising ?

What are the responsibilities of CSR ? What social media companies have done to protect the privacy or information of their users ?

12 October 2020 433 5 View

Tissue Digestion with proteinase k gives "invisible" globule"?

I'm digesting a few different mammalian tissues with a spin kit and proteinase k. Some tissues (esp. testis and pituitary gland) look fully digested and clear. But once the lysis buffer is added,...

09 August 2020 4,443 2 View

Can I use a spin column kit to extract DNA from bull testis?

I'm extracting DNA from various bull tissues and there are some that don't work with a spin column kit, like brain tissue that contains a lot of lipids. For those, we do Phenol-chloroform...

05 August 2020 2,126 2 View

In what cases does blood pass through implants according to the Darcy law?

Hello! I would like to understand in what cases blood or some other biological liquid passes through implant or graft with some porous microstructure according the Darcy law (thanks to the...

26 March 2020 8,670 14 View

K10/K6 and PHQ9 comparison?

Hi Is anyone aware of a publication or article discussing the convergent validity or crosswalk of the K10 and PHQ9 for a measure of depression? Many thanks

03 March 2020 8,601 1 View

Whats the difference between chitosan -tpp and sodium alginat-cacl2 in the making of nanoparticle?

why most people use chitosan tpp instead of alginat-cacl2 as a nanoencapsulation?

13 February 2020 251 3 View

How to measure adolescents' career maturity / vocational training maturity?

I found literature of and about J. O. Crites' Career Maturity Inventory. I cannot find the inventory tool /items. May someone shares their experiences and ideas on this topic with me? Which...

11 February 2020 1,387 3 View

HEK 293 MSR cells die/detach after transfection?

We have used TransIT-X2 (Mirus) for years to transfect different cell lines, but suddenly I am having a lot of trouble with my HEK 293 MSR cells becoming very round and dying/detaching soon after...

07 February 2020 6,375 3 View

Is it really necessary the clean-up step after PCR for digesting with DpnI?

I've read different protocols, starting for the QuikChange one, and there's no call for cleaning up after PCR. However, I did clean up as suggested by other researchers, so the polymerase doesn't...

12 November 2019 9,677 5 View

Should postgraduate students be required to transcribe research interviews or can they be allowed to analyse the aural (recorded) data?

Should postgraduate students be required to transcribe research interviews or can they be allowed to analyse their aural (recorded) data? I have a postgraduate student who wants to analyse her...

24 October 2019 2,006 6 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

How to improve and implement WBAN MAC and Radio modules under Castalia 3.2 ?

Hello researchers, Hello Castalia3.2 researchers I am a beginner with Castalia, I work on optimization of RFID systems used in wireless body networks. I simulated a WBAN with 10 nodes and one...

28 February 2021 400 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