What constraint can be used for rigid steel saddles and conrete beam under four point loading in ABAQUS?

Nodes are missing intersection with their respective master surface or outside the adjust zone, when using tie constraint.

01 February 2021 3,591 6 View

Sterile chitosan folat polymer?

Hi, I want to start my cell culture to run a MTT assay , how can I sterilize my polymer?

15 December 2020 1,813 1 View

Solving chitosan folate nanoparticles in dmem?

Hi there, I have been struggling with solving my chitosan folate coated nanoseleniums in dmem culture media sincr it is only soluble in acetic acid , and hardly soluble in basic media. What can I do?

19 November 2020 5,636 3 View

TEM and SEM of chitosan coated nanoselenium?

Hi, I have a 25 ml sample of chitosan coated nanoselenium with average diametere of 112 nm, considering the fact that chitosan after being kept in water media swelles, how can I send a sample for...

08 November 2020 6,859 3 View

Addition of glycerol in measuring zeta potential?

Hi there I wanted to know if it is ok to add 2 or 3 drops of glycerol for suspending the nanoparticles in water before measuring the zeta potential?

26 October 2020 2,146 3 View

Chitosan coated nanoselenium ?

I'm running a MTT test for evaluation the effect of chitosan coated nanoselenium versus bare nanoseleniums, what are the controls for MTT assay? Should I test bare nanochitosans as well as...

27 September 2020 9,525 2 View

Should I do a quality assessment for studies that will be included in a systematic review, even if I am not doing meta-analysis?

The types of studies included are case reports, case series, epidemiological studies. The information collected will probably be analyzed qualitatively only.

17 August 2020 3,628 7 View

Is there a way (command or function or.....) to get the predicted value of output from fuzzy logic system, using matlab?

I want to get predicted values for output values related to some input values.

11 January 2019 7,539 4 View

Can anyone help me to find dataset of face image for pain detection?

I need facial image dataset for my project. My project is about automatic pain detection from face by mobile phone camera. I think for training and testing the algorithm I need facial image data...

27 September 2017 8,295 4 View

How can I characterize the homogeneity of a nanofluid?

I am preparing a nanofluid having liquid gallium as my base fluid and other metalic and polymeric nano/micro particles to be suspended on it using a high power sonicator. I was wondering how can I...

03 May 2017 2,128 4 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

Have anyone checked before Cyclic voltammograms of intial ITO substrate and E-teck?

As a beginner in electrochemistry, I tried to obtain cyclic voltamograms of commercial anatase powder deposited on an ITO substrate or on Eteck. After several attempts, I noticed that my cyclic...

23 February 2021 3,175 3 View

Fictitious Boundary Meshing Method (FBM) in Commercial FEA software?

Is it possible to implement FBM in a commercial FEA software package, such as FEMLAB, COMSOL, or open source software like Moose?

22 February 2021 2,968 1 View

How would I use a glycerol fixation to fix whole brain Drosophila tissue?

I need to take IF images with DAPI on a confocal but I need to use a glycerol fixation. Has anyone done this method before, if so how was it done? Thank you.

21 February 2021 3,081 3 View

How to revive a Hyphomicrobium strain?

11 February 2021 3,524 2 View

No title

Hello! I want to determine the activity of my in house Reverse Transcriptase enzyme. For this, I have used Thermo's Enzcheck Reverse Transcriptase assay kit. I used commercial Thermo RT enzyme to...

08 February 2021 7,285 1 View

Problem to dissolve 50%wt Glycerol in 4%wt PVOH 28-99 ??

Hello everyone, I am trying to prepare a solution out of PVA(Polyvinyl alcohol)_Glycerol_Wasser . (4% PVA 28-99 and 50% Glycerin) To prepare this solution I first add PVA to 80degree water and...

06 February 2021 2,300 3 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

SDS-PAGE aggregation problem?

I ran SDS-PAGE with 14% lower gel, 4 % upper gel, having brushing, pre-running empty gel for 30 min. The protein samples had been centrifuged with 14,000g for 10 min, and then the supernatants...

20 January 2021 172 3 View

How to distinguish pure and adulterated honey using NMR spectroscopy?

What are the common adulterants in commercial honey? how to identify pure honey and adulterated honey with the help of NMR spectroscopy? Is there any other technique to check purity of honey?

20 January 2021 5,456 12 View