What is the difference between a shared aperture antenna and a dual band antenna?

Can the dual-band antenna be called as a shared aperture antenna? Difference between shared aperture antennas and dual-band antennas?

30 December 2020 7,118 4 View

How to make a standard curve for qpcr?

Hi there, I am working on airborne microbes. I want to know the concentration of bacteria in my sample before I go for NGS. Since it is an environmental sample it might have a lot of mixed...

17 November 2020 314 3 View

How to cluster the ORF sequences?

Hi, I have found the ORF region of my nucleotide sequence which was obtained from Sanger sequencing using 16s universal primer. I have to cluster them before using them in my model. I am using...

13 August 2020 1,079 4 View

ARIMA with Sliding window?

I have 245 daily stock returns with some explanatory variables. I will compare the ARIMA and ARIMAX models with some basic machine learning techniques. The training periods will be 30, 60, 90, 120...

09 August 2020 9,344 1 View

Difference between point source, line source and plane wave excitation in FDTD?

Excitation in FDTD could be point source, line source and plane wave. What is the difference between the three? Also which type of source could be used for various applications like antenna,...

08 May 2019 4,691 4 View

How to display a 3 Dimensional matrix by their values in Matlab?For example if x is a matrix of size 20x15x6.How to visualize the structure in MATLAB?

For example to model a microstrip patch using FDTD. The 3D array would be of size MxNXP. How to pictorically represent the structure using MATLAB?

08 January 2019 6,765 4 View

What are the alternatives to TexGen, textile geometry modelling software?

I have been using TexGen for sometime now and I need to create layers of textile in different orientations and I haven't found a way to do it in texgen. Are there other softwares that are good for...

24 May 2018 9,506 4 View

Do plants have similar PI3K-Akt signaling pathway?

30 September 2017 1,052 1 View

How can I draw dot plot (Column scatter graphs) for different groups and denote comparisons?

How to draw dot plot for different groups and denote comparisons ? (See attached images) If there is a procedure in SPSS/ Excel or if there is any free user friendly online S/W guide me. Thank you

22 June 2016 7,644 8 View

What is the best (updated) book for molecular biology (Cloning)?

03 April 2016 4,207 7 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

Ester cleavage conditions?

Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...

01 March 2021 8,766 3 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Samples to study circular dichroism (chirality)?

I want to build a low-cost polarimeter to study circular dichroism (chirality). What type of samples can I use? I am looking for samples that can be found outside the laboratory.

01 March 2021 9,101 3 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

Can anyone help with Schistosoma identification?

Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...

25 February 2021 7,760 6 View

How does an AC-DC power supply Flyback Converter Based USB Charger Model using Matlab/Simulink looks like?

I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...

25 February 2021 5,435 2 View