Is there a generalized method to derive current-mode model of any DC-DC converters?

Hi all, As new DC-DC converters are being proposed, associated control method should be proposed and based on the small-model signal analysis of the DC-DC converters. Using average space state...

06 January 2021 7,247 3 View

How to avoid protein precipitation during Ni-NTA binding step?

Hi everyone, I am purifying an 18 kDa protein (his-tag). The protein expresses very well and I am able to get a clean 18kDa band in SDS Page gel after purification (attached picture). However,...

11 October 2020 3,189 6 View

Whether analysis with CB-SEM by AMOS will have better results comparing with PLS-SEM?

With your experiences, which one will have better results, CB-SEM or PLS SEM?

15 September 2020 8,092 5 View

Is there In-plane anisotropy of Amorphous CoFeB thin film?

I made CoFeB thin film on PMMA. The film thickness is from 100 nm to 10 nm. To measure magnetic properties, an M-H loop according to the angle was obtained using a VSM. However, the graph by angle...

27 July 2020 1,480 3 View

How to determine intention to use a new technology?

Hello, I am doing a research on new technologies and I would like to know how to determine the percentage of people that intend to use a new technology. I know about models like TAM, UTAUT, UTAUT2...

26 February 2020 1,381 10 View

I'm looking for an antibody. can I know where to buy?

Hello, I'm looking for some antibody, CLB-CAg 69. it is a anti-factor VIII antibody whose epitope is A2 domain of FVIII. However, I cannot get this. Can I know where to buy?

15 January 2020 3,325 3 View

"Safe" value of Vgs in sub-threshold design (4.5nUT < Vgs - Vth < -2nUT)?

Hello, Usually, by biasing Vgs < Vthreshold of MOSFET, we can push MOS into sub-threshold region. My curious question is: How much value of Vgs is "good" as a "rule of thumb"? I have referenced...

29 December 2019 9,143 1 View

Can an associate editor become in charge of a submitted manuscript where 1/4 of the total references were associated with his/her own??

Is it appropriate to have Person A as an Associate Editor of a submitted manuscript - where 1/4 of the total references are his/her own and who has been a co-author with the corresponding author...

14 December 2019 7,092 3 View

Which paper/book is best to study sub-threshold operation and model of MOSs devices?

Dear all, There are lots of published work on sub-threshold operation and models of MOS devices (example: on Journal of Solid-State Circuits, IEEE). For a good and highly-credited one, could you...

08 December 2019 5,968 5 View

What is your recommendation for an English editing service?

As I am not a native English speaker, normally, I am advised to use English editing services before submitting my manuscript to the journal. Recently, I got some bad experiences with the service I...

28 November 2019 7,039 11 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

What solvent can I used for Paal Knorr reaction between 6-amino hexanoic acid and 2.5 hexanedione?

I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...

02 March 2021 4,443 2 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 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 can extract ciprofloxacin hydrochloride disolve in water er to organic solvent such as dichloromethan or any other solvent?

I need a procedure to extract the ciprofloxacin hydrochloride from aqueous solution by using dichloromethane in detail,. I thank you very much.

01 March 2021 4,306 1 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

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 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

How to make fractions of chloroform extract of plant, using seperating funnel?

28 February 2021 8,466 2 View