Why do cells die after adding MTT dye?

I was doing MTT assay, and in the last day before adding the MTT; the cells looked good (or so I think), but after aspiration of the drug and addition of MTT dye I noticed that most cells seemed...

07 February 2021 3,846 4 View

How can I stain 3d printed cells in hydrogel without damaging the gel?

I tried staining my cells in a gel using standard protocols with 4PF% for fixation and triton-X or saponin for permeabilization but the gel always gets damaged throughout the steps, and at the end...

17 January 2021 4,170 1 View

Why do I get low absorbance in MTT assay?

I have been trying to do MTT assay using HCT-116 cells but I have been getting very low absorbance readings (absorbance is usually 0.25 and below) even though iam seeding 30,000 cell/ well. I have...

16 November 2020 3,588 3 View

Can somedbody advice on how to deal with various lingering covid-19 symptoms especialpersistent tiredness?

I contracted the infection in mid May.My symptoms included runny nose,skin,widspread skin tinglings,slight headach,profuse sweating,and extreme tiredness that I was not able to walk for few meters...

12 September 2020 2,385 4 View

Is there a simple method to use pslegend (GMT) to create a legend for 2-D plot?

I am new for Generic Mapping Tool (GMT), but I would like to work through a few simple examples of generating legends (ie. multiple points or lines plotted on a single figure using psxy). In the...

26 April 2018 8,197 3 View

How to use high precise geoid for mineral exploration?

Recently, many scientific applications such as: In geology, the inversion of the geoid is used for Petroleum Exploration. I am looking for studies and research in this field

01 January 2018 2,539 4 View

No title

Read 12 answers by scientists to the question asked by Saifeldin Mohamed Khair Abdelrahim on Sep 20, 2016

19 September 2016 5,921 10 View

What is the idea of your best research work in human nutrition?

Read 5 answers by scientists to the question asked by Saifeldin Mohamed Khair Abdelrahim on May 12, 2016

11 May 2016 4,903 4 View

What are the different sites for downloading best resolution (below 20 m) for free remote sensing imagery?

I am looking for satellite image used for academic purposes

10 November 2015 6,722 8 View

How can I calculate sample size in clinical control trial (qualitative study)?

28 August 2015 1,889 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

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

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 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