Again, what are the bands of extracted plasmid?

I used Trans1-T1 phage resistant chemically competent cells to extracted lentiviral gRNA expression vectors. And there were bands near 2000bp and smear on 1% argrose gel. Did the smear come from...

25 November 2020 858 2 View

What are the bands of extracted plasmid?

I used MN NucleoBond Xtra Midi to extract plasmids, but the agarose gel electrophoresis showed the plasmids contained not only one component. There are bands around 250bp, what are those bands?

19 November 2020 2,241 3 View

Can I calculate mean and confidence intervals of d-prime values?

Hi everybody. I ran an experiment on memory and calculated the percentage of hits as usually reported in the literature. However, the reviewer asked me to transform my hits into d-prime values. I...

21 October 2020 3,859 1 View

Can anyone help me out to find SMA connector for a 5g millimeter-wave antenna of dimension 10*10 mm ?

Hello everyone. I am looking for an SMA connector for a 5g millimeter-wave antenna of dimension 10*10mm. The frequency range of operation is up to 40 GHz. If anybody from India is working in this...

29 August 2020 5,275 5 View

What kind of analysis is required to make a multi factor comparative study of two methods for regression?

I want to do comprehensive study of errors in variables from both numerical analysis and statistical viewpoint and compare the results with regression for selected parameter estimation problems in...

08 February 2020 1,583 2 View

What kind of statistical analysis is required to compare two similar methods/algorithms to find out which method is better?

I want to compare two algorithm/model for regression. My Hypothesis is that method under study improves upon the traditional/currently preferred method. How do i check if my hypothesis is correct...

07 February 2020 6,828 7 View

Is it compulsory to perform the curve fitting technique during the interpretation of subsurface resistivity data ?

I have 1-D subsurface resistivity measurements ( using Schlumberger electrode array) as well as borehole data up to the depth of 30 m. Is it compulsory to perform curve fitting using the master...

16 January 2020 5,517 6 View

Is this possible same enzyme has different molecular weight from different microbes?

I am confused about how is it possible that the same enzyme has a different molecular weight from different bacteria, even the enzyme is same either from E.coli or Bacillus sp. one is giving 75...

21 October 2019 1,437 6 View

Which part of solar spectrum(wavelength) does snow (on high altitude mountains) absorb and melt?

We know that heating happens due to mid-infrared region of solar irradiation. Ice melts due to absorption of which specific range of wavelengths of electromagnetic spectrum? Can we relate this...

17 May 2019 7,440 3 View

What is the better modulation technique than OFDM for the high rate data receiving MIMO antenna for WLAN application?

Which modulation technique is best for the 5G ( MIMO based antenna system) wifi application ? usually OFDM is recommended for this application. Since there is some disadvantages of OFDM. OFDM is...

16 October 2018 6,984 2 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

What is Flat Lens Antenna?

28 February 2021 5,433 3 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

Efficiency of Proximity Feed Patch Antenna ?

Greetings to all of You! I have searched some research papers for the designing of a proximity coupled patch antenna. Researchers are talking about the impedance bandwidth of the antenna but...

24 February 2021 7,662 3 View

2D or 3D phased array antennas??

Dear All, I will start my PhD maybe this year regarding phased array antennas. I'm interested in to find more detailed information about 3D phased array antennas and 2D phased array antennas. Then...

21 February 2021 368 3 View

Helix antenna coupling problem?

Dealing with a helix antenna, made with flexible material and not rigid like using a PCB board or wire. At the beginning of the helix is too close to the ground plane, causing coupling. How can I...

21 February 2021 4,453 3 View

Is there a way to use waveguide ports for circular antenna design in CST?

Hi, whenever i use circular array i get this error "Waveguide ports must be aligned with Cartesian coordinate planes for the transient solver" Does anyone use circular array with waveguide ports?...

09 February 2021 3,609 8 View