What software can I use to draw publication quality EIS equivalent circuits?

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Can anyone provide advice on staining cancer cells in suspension from a 12-well plate?

I'm attempting to stain cancer cells in suspension from a 12-well plate for my research project. Could anyone provide guidance on the most effective staining protocols and techniques for ensuring...

11 February 2024 8,865 1 View

Minimum transistor length for digital design?

It is common practice to choose minimum transistor lengths of 4-5 times the minimum process technology length for analog designs. I wondered, whether this is also true for digital circuits? I'm...

17 November 2022 4,226 2 View

CMOS 2NOR-gate or SR-Latch design procedure?

I want to calculate and design a CMOS SR-Latch built from 2 cross-coupled NOR gates. However, I have problems with finding a source, that has a step-by-step explaination of the design procedure to...

11 October 2022 7,128 1 View

Comparator Design ICMR Definition?

Hi, I am currently designing a two-stage open loop comparator (differential amp + current sink inverter output stage) using Cadence. In order to ensure a "safe" and error-free operation of the...

05 October 2022 5,059 1 View

Possible architectures to realize a tunable MOSFET-based pseudoresistor working with AC-Voltages?

I am designing a Wien-Bridge Oscillator on an IC and wanted to realize the resistors responsible for frequency-tuning using voltage controlled MOSFET devices (as a replacement for potentiostats)....

25 July 2022 5,220 2 View

How to break down protein crystal agglomerates?

Dear all, I would like to know how to break down protein crystal agglomerates. My crystallisation experiments yield quite a high number of crystal agglomerates (see images attached for 10x and...

03 July 2022 9,046 3 View

How to realize a frequency-tunable Wien Bridge Oscillator on an IC ?

I am looking for a possibility to design a frequency-variable Wien Oscillator on an ASIC. Since I cannot use potentiometers, I am searching for an alternative. Initially, I was thinking about...

29 May 2022 7,006 4 View

Wien Bridge Oscillator - Automatic Gain Control via MOSFET ?

Automatic Gain Control (AGC) for a Wien Bridge Oscillator can be realized using a JFET for stabilization. Does someone know of a design that uses a MOSFET instead? If so, I would be thankful if...

26 May 2022 5,319 5 View

Do empirical studies exist that examine the promotion of knowledge of barriers and accessibility through gamification or 360° media?

This explicitly refers to designs or concepts that aim to convey or foster knowledge about barriers and the concept of accessibility. #gamification #360media

22 January 2022 980 3 View

Lysozyme solution for crystallisation turns cloudy immediately after mixing lysozyme with NaCl , however it worked before, why?

Hi there, I am carrying out crystallisation experiments for lysozyme. The method is the following: dissolve 73.6 mg/ml lysozyme (lyophilised or crystalline powder) in 0.1 M sodium acetate buffer,...

12 December 2021 8,722 8 View

What procedure should I follow for current controlled PPy film electrochemical deposition on ITO?

For example, I perform passivation process before electropolymerization of Py for adhesion to titanium surface. Is a similar or different procedure required for ITO? If necessary, I would be glad...

06 August 2024 3,176 0 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

How to draw the five chelate rings of [Co(EDTA)]- on this picture?

Is this circle one of the rings?

03 August 2024 5,988 0 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

What are some signs that an ECM is overfitting the Nyquist plot?

What can you look for to know that the circuit model being used is overfitting the data. How do you know when overfitting is occurring?

31 July 2024 7,425 0 View

How to make overlapping p-h diagram in EES?

I want to draw ph diagram using Engineering equation solver EES for refrigerant R134a and R1234fy and some other. I don't know how to draw the multiple ph diagram on same dome or overlapping to...

30 July 2024 647 7 View

How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

What is single absorption ESR spectroscopy ?

In the context of Electron Spin Resonance (ESR) spectroscopy, under what conditions is an absorption spectrum considered to be a single absorption spectrum?

25 July 2024 2,325 1 View

Can we fit a gaussian Fit on a LIBS Peak ?

Though much literature suggests fitting a Voigt profile on a LIBS peak, is it also possible to fit a Gaussian profile on the LIBS peak? I have 204 spectra files, and I am building a pipeline for...

23 July 2024 6,127 1 View