If i want to do my research data analysis what i should start with?

like a guide especially with putting the score for my survey. *my survey will measure knowledge level for the disease population Moreover, then which tool should I use? My study is a...

18 January 2021 3,819 10 View

Can I use 24 wells black tissue culture uncoated plate for cultuing macrophage (THP-1 treated with PMA) ?or I have to coat them?

Hello, I will start an experiment using macrophage (THP-1 treated with PMA). I have ordered the plate that suitable for fluorescence plate reader which is glass 24 wells black uncoated tissue...

05 January 2021 4,214 3 View

What is the ideal cell number for detection of HIF using ELISA ?

Hi All, I am planning to measure HIF expression with different cellular conditions using ELISA kit, from your experience what is the ideal number of cells used for this type of experiment?

07 December 2020 3,066 3 View

Why I got different sizes with polyacrylamide nanoparticles when I measure the size by DLS? I've prepared them with same procedure?

I've prepared nanoparticles by inverse microemulsion technique and I've functionalised the nanoparticles with N-(3-aminopropyl)-methacrylamide (APMA) (+ve charge) to facilitate cellular delivery,...

02 December 2020 8,329 3 View

My protein ladder is diffused and take a lot of time for running electrophrosis?

hello, I am doing western blot for cancer cell and my protein ladder diffused during running electrophoresis and the sample is disappear. also it takes too much time more than 3 hr for migration....

14 September 2020 5,113 4 View

How can I quantitatively analyze a sample with carbohydrate content?

Can anyone -who may have hands-on experience in analytical chemistry or photochemistry- help me how can I quantitatively analyze a sample with carbohydrate content?

09 July 2020 3,663 2 View

Applying the bias correction factor outside the evaluation period ?

I would like to ask an important question. If I have a climatology observed data of potential evapotranspiration for the period 1968-1997 and correct the CRU during this period and there is no...

10 February 2020 4,086 2 View

How to model VLC V2V communication system in matlab?

I want to simulate what will be BER vs SNR if i sent a stream of bits through VLC in outdoor system; V2X or V2V. any help??

09 February 2020 6,478 4 View

How to construct long term time series of temperature using CRU?

If I have 10 years of mean temperature (2001-2010) and evaluate its performance against station observations and finally calculate the climatological bias correction for each month. Can I use...

23 March 2019 4,409 3 View

How important is students' feedback in making changes/adjustment in the curriculum?

What strategies do you have at your school to receive feedback from students? What methods to use to receive feedback from students? Do you use formal and non-formal approaches? How do you handle...

08 June 2018 7,252 14 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