Is RD-ES grow attached or in suspension or both?

We have a old RD-ES cell line which is grow attached, but we got another vial of RD-ES which is very easy to get detached and grow in sphere in the medium. Do you know which morphology is normal...

24 February 2021 5,183 1 View

The algal cell always gather together when the cells concentration is high and those cells would block the microfluidic chips. How can i handle it?

I want to pump a high concentration algal cells into microfluidic chip, however those cells are always gather together forming a clusters to block the connection between Teflon tube and...

26 October 2020 5,366 2 View

What kind of small mobile robots are available on market to undertake multi-robot research?

Dear All, What kind of small mobile robots are available in market to undertake multi-robot research? Would you have anything to be recommended? Thanks! Chaomin Luo ~~~ Chaomin Luo,...

04 October 2020 5,173 5 View

Why some structural equation models are all observation variables?

Hello everyone. Recently, when I searched the literature about SEM, I found some problems that I couldn't solve. I found that the models established in some studies are all observation variables...

16 July 2020 3,279 3 View

2D protein gel system?

Want to set up a 2D protein gel system. Can anybody recommend a system to go for? We use a lot of Bio-Rad's protein gel systems, but don't know which one is best for 2D gels.

07 July 2020 6,327 3 View

Is there any open source code for learning in the field of data-driven robust optimization?

I can get a lot of theoretical knowledge in related fields, but I'm still confused about the implementation behind it. Unfortunately, I didn't find any examples on the Internet that I could...

29 March 2020 6,438 3 View

Why the large grain contains small grain inside ?

We currently recieved a sample from industry. It is high manganese steel (Hadfield steel) with a composition of Fe-12Mn-1.1C, after austenization treatment. We find that the grain size of this...

15 January 2020 6,624 1 View

How to read the intersection signal information in the Internet of Vehicles environment?

The existing method can be realized by short-distance traffic through the DSRC, or the signal light device can be connected to the roadside device RSU by wire. Even in the driverless field, the...

18 November 2019 6,706 1 View

Are there recommendations to buy some small mobile robots to test our multi-robot algorithms?

We would like to validate and test our multi-robot algorithms with some research-platformed mobile robot. Are there recommendations to buy some small mobile robots to test our multi-robot...

15 November 2019 5,772 3 View

How should the bone model be considered when screw drilling into bone finite element modeling?

For the establishment of bone model, besides considering the bone density, elastic modulus, poisson's ratio, yield stress and yield strain, should the damage caused by bone being cut by screws be...

09 November 2019 5,831 3 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 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

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Can thermal cycler machines be problematic during PCR?

Hi, my question is about the heating of thermal cycler machines and I hope some of you had experienced a similar thing previously. There are two thermal cycler machines in the lab(BioRad) and for...

26 February 2021 4,777 4 View

Why do the air flow results vary totally when adding scalar in CFD ?

Dear All, We are using Autodesk cfd to calculate the air flow in a single sided naturally ventilated room, where air flow depends only on buoyancy due to temperature difference between inside and...

25 February 2021 9,602 4 View

How to increase solubility of Poly acrylic acid in Dioxane solvent?

I am working with Polyacrylic acid (100.000Da) and instead of water, I need to use another solvent (dioxane) to dissolve PAA. However, because of the high molecular weight, it's quite hard to...

25 February 2021 2,225 5 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View