What is the maximum voltage a piezoelectric PZT layer can handle?

I have a circular PZT layer deposited by PLD method. The dimensions are: 20um diameter and 350nm thick. It has 100nm Pt electrodes sputtered on the top and bottom. I would like to know what is the...

25 January 2021 688 5 View

I'm looking for cell culture models for Alzheimer's by targeting amyloid beta peptide, tau protein, bace 1 enzyme ; can anyone give me details please?

I want to target particular protein/peptide/enzyme by cell culture methods. I would also like to know screening methods for cell cultures to analyse and diagnose the drug effect on particular...

24 November 2020 7,255 5 View

How to define hyper elastic UMAT in a UEL?

Hi all, I am working on Phase-Field UEL for hyperelastic materials. I am using codes of Dr Molnar ( http://www.molnar-research.com/tutorials_videos_3.html) to develop hyperelastic material. I...

07 April 2020 4,243 1 View

Why some materials getting overpotential while doing potentiodynamic test by using iviumstat chemical analyzer (especially for aluminium alloys)?

I am working with aluminium - chromium alloys. I have a solid samples of this alloy after prepared by powder Metallurgy route. I am facing a difficulty when doing a potentiodynamic polarization...

12 September 2018 5,649 3 View

How to find the relative dielectric constant of substrate with respect to the distance the radiation covered?

Respected researchers, I need to design an antenna for measuring the precipitation of the rainfall in a particular area. can we change the dielectric constant of the substrate used with respect to...

19 September 2017 3,357 1 View

How to remove phage DNA from plasmid.

can anyone plese let me know how to clean phage contaminated plasmid.

11 April 2017 3,815 4 View

How to perform the classification on the following data set?

07 November 2016 6,542 5 View

Which cutting parameter is most influence of the material removal rate,surface roughness and tool wear?

machining the metal matrix composite material by using TiN coated insert.

24 June 2016 469 1 View

Can any body please list the latest graph algorithms in Computer Networks?

wired, wireless , ad-hoc, Social, Complex Networks.

29 May 2016 5,178 3 View

How can I get the plot of r(scalar to tensor ratio) v/s n(spectral index) ?

Currently, I'm working in the area of cosmic inflation, when I was reading some papers (http://arxiv.org/pdf/1404.6096v3.pdf) on this topic, I found some plots (r v/s n) by taking data from...

04 January 2015 2,095 3 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Why Trivalent chromium start precipitating above PH 5 ? Moreover discuss difference between adsorption of chromium and precipitation of chromium ?

I am a student of MS Environmental Engineering and started my research phase. I am working on metal removal ( chromium iii ) by using activated carbon prepared from the agricultural feedstock. So...

01 March 2021 5,475 2 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

RIA. How to measure?

When you use RIA, with a control the unknown sample with antibodies, you bare in mind the binding sites of the antibodies. However you still need to measure labelled antigen (radioactive) and not...

28 February 2021 2,133 3 View

Necessary tube lenght to cool Natural gas in a dry-ice cooling bath?

I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...

27 February 2021 8,128 1 View

How to evaluate unsupervised clustering metrics when some elements do not have a cluster label in the result?

I run algorithms like HDBSCAN and MeanShift, and compare them with K-means and GaussianMixture. The first two algorithms do not return cluster labels for some elements in the dataset. My question...

27 February 2021 428 3 View

Exit velocity of natural gas from pressurized tank?

Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...

26 February 2021 6,253 3 View