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30 August 2020 2,230 5 View

How to get pure recombinant virus with plaque purification ?

We are working on getting pure desired gene transfected virus. We used YFP fluorescences tags to distinguish the virus with or without gene replaced. Using PCR testing, we always have wild type...

01 August 2020 2,087 1 View

Do anyone have the experience of testing creatinine (kidney function) by using HPLC?

In my experiment, I want to use serum (mouse) to test the creatinine level via HPLC. 1. During the preparation, I centrifuged the whole blood, and then transfer the supernatant (which is serum)...

17 February 2020 9,679 2 View

What is the best indoor spectrum that people need?

What is the best spectrum for an office, classroom, or other architectural scenes? Spectrum affects people's visual needs, work efficiency, comfort, psychological or physiological rhythm. How to...

20 December 2019 5,715 4 View

What effect does precipitation pH and heat treatment temperature have on the electrical resistance of the material?

I have prepared a series of nanomaterials by co-precipitation under different pH value and heat treatment temperature. I want to find a reasonable explanation about the change of the material...

21 August 2019 9,192 3 View

Sentaurus simulating anti-reflection coating issue?

I am starting to simulate the anti-reflection coating (ARC) for solar cells but I found some problems that I can't answer: 1, For solar cell without ARC, I tried to put the light source below...

03 July 2019 6,682 2 View

How to consider the question of theoretical support for statistical model choosing?

In my research I focus in paired correlated binary data. To accommodate the intraclass correlation, I choose to adopt a certain model without providing much theoretical support, and was criticized...

04 June 2019 7,887 12 View

does anybody have DR5::GUS vector to share?

does anybody have DR5::GUS vector to share? i need to check auxin in potato. thanks a lot.

03 March 2019 3,449 6 View

Why the ZnO I grinded photodegrade slower than bulk?

These days, I do dye degradation experiment. I use mortar and pestle to grind bulk ZnO 10 min, the powders turn yellow. Then use that powder to do dye degradation, why it degrades slower than...

05 August 2018 1,769 4 View

How to quantify axonal loss without taking nerve biopsy but take nearby tissue in carpal tunnel syndrome?

I plan to take some tissues nearby while doing open release for carpal tunnel syndrome to quantify axonal loss of the injured median nerve. May I know any good laboratory techniques ? Thank you

09 February 2018 7,406 1 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 the Ground Plane implantation is performed without damaging (and w/o varying the undoped nature) the top Si (8-10 nm) in FDSOI technology ?

It is a general practice to introduce Ground Plane in FDSOI devices under the BoX. The Ground Planes are introduced by Ion Implantation through Top Si layer and Buried Oxide. I wanted to know that...

24 February 2021 5,974 4 View

Can a semi-conductor material have different absorption coefficient?

Does the absorption coefficient of the semiconductor changes with the change in the structure of the semiconductor? If you have a thin film and nanowire of the same semiconductor, will the...

23 February 2021 9,799 4 View

How can I plot surface potential vs Gate voltage in Sentaurus TCAD?

Currently, I am working on a project in Sentaurus TCAD for which I required the plot of Surface Potential Vs Gate Voltage. Can anyone help me finding the simplest way or a different procedure for...

18 February 2021 1,213 2 View

How can we determine the band gap of a composite material that is made up of a composition of direct and indirect band gap semiconductor materials?

I have a direct band gap material and an indirect band gap material. If I made a composite of both through physical mixing. Then how can I determine the band gap of such a material as the Tauc...

17 February 2021 8,104 4 View

Vth increase with programming SONOS Flash in Tcad?

Hello, I've been working on this issue for more than a month now.... I made a basic SONOS flash structure using TCAD Sentaurus sProcess. (tunnel oxide/nitride/blocking oxide : 4/6/6 [nm]) Then,...

11 February 2021 3,337 3 View

How can I solve problem with my sentaurus workbench?

My Sentaurus workbench tools (SDE, SDEVICE & SVISUAL) Command window stopped opening. The command window is accessed as follows, right click SDE > select Edit Input > click on the...

29 January 2021 8,189 3 View

Any resist stripper which can remove thick metal based polymer residue and which is compatible with doped silicon ?

I am looking some resist strippers which can easily remove metal based polymer residue after post dry etch process. I have some candidates below but not sure if they are compatible with doped...

21 January 2021 3,008 3 View

What is the best way to calculate electrical conductivity of semiconductors and the same system with a layer of oxide using Quantum Espresso?

I have tried BoltzTrap, and EPW but I'm not sure whether Boltzmann Transport Equation is a right approach for a complex system (semi cond. + an Oxide layer or even the semiconductor itself). Also...

11 January 2021 4,597 4 View

Is there a way to extract scalar and vector field data from Sentaures into a separate txt file to plot it in other software?

I have TDR file, which contains binary data that can be read using Svisual, a tool from Synopsys Sentaurus tool collection. I want to extract the vector and/or scaler fields such as Temperature...

05 January 2021 2,436 3 View