04 June 2021 3 7K Report

is it free to use ? or do we need to get permission? if yes, what is the procedure?

More Swetha Perumal's questions See All
How to give port for printed log periodic dipole array antenna in CST?

PLPDA have radiating element on both sides of the substrate. so how to apply port. i have attached the figure below.

03 January 2021 4,005 6 View

I want to design a printed log periodic dipole array antenna on only one side of the substrate. is this acceptable one ?

actually for PLPDA, it is designed on both sides of the substrate for providing 180 degree phase shift between the elements

28 December 2020 3,148 3 View

Is there Researchers who are already working on anti-viral surfaces. For ex. anti-viral COVID-19 surfaces ? ?

It would be interesting to know, how the scientific community is contributing to the COVID-19 crisis. How chemical/mechanical/material/metallurgy concepts are being used to produce anti-COVID-19...

16 May 2020 5,141 3 View

How to calculate ECC using HFSS software?

Good morning. Now i am designing MIMO antenna for Ultraband Applications. Can anyone suggest how to plot ECC (Envelope correlation Coefficient) Using HFSS 15 software. Thanks in advance

13 February 2020 5,261 6 View

How to visualize cells seeded on Millicell-HA transwell?

Hi, I am working with Millicell-HA transwell to culture HCE-2 cells. But as the transwell in opaque, not able to visualize the cells. Can someone help me? Thanks in advance.

14 November 2019 3,573 1 View

Data structure and missing values in random forest model?

Hi there, I have over 1 million records, with a categorical response variable and a mix of categorical and continuous predictors. There are several missing values in the dataset, this is...

02 September 2019 494 4 View

Can somebody help me with method(s) to analyse and quantify oligonuleotides and protein interactions?

I am looking for an assay design that can help me analyse DNA (oligonucleotides) - protein interactions and provide some means to quantify these interactions. Any help or direction will be much...

14 July 2019 8,475 5 View

Tools/techniques to describe the distribution of cells in a raster, across a study region?

Im trying to analyze and extract patterns from several raster layers, something like what is done for non-raster features. Im interested in learning techniques that describe the distribution of...

02 July 2019 2,333 5 View

What is the calcium concentrations in KSFM and ideal calcium levels for cervical keratinocyte culture?

Hi! I an interested in culturing cervical kerationocytes and calcium levels in media are know to affect their cell growth. I recently obtained two KSFM for the same (one with Calcium and another...

14 May 2019 1,758 3 View

Can anyone suggest me how to plot fractional order time delay system in matlab?

I am searching a matlab code for fractional time delay system(continuous case). Still now, i don't got any idea for the above. I need a good suggestion from researcher. Help anyone!!!

06 March 2019 6,097 3 View

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Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Can anyone help me with the administration of the "Mind the Gap" Scale for satisfaction with transition to adult care?

We are working on a study focused on adolescents' transition to adult care and are looking for a validated measure for satisfaction with the transition. So far the only measure that we have came...

28 February 2021 2,338 1 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

Which are the journals for free paper publication?

A bunch of flower for everybody. I would like to ask about the list of journals which we can publish our paper for free. Thanks in advance. Sincerely Walid

25 February 2021 9,790 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

Do I need to ask permission to use pictures for my questionnaire?

I would like to use some photo from a government website for my questionnaire. But, different photo is from the different owner. So, should I just get permission from that government body or still...

23 February 2021 1,631 3 View

Hello, does any one know a free medical text dataset?

a free multi label clinical text dataset , containing text as entry and several labels as classes. Best regards

22 February 2021 5,988 2 View

Protocol for membrane extraction E. coli?

Hello! I am interested in determining whether a poly-unsaturated fatty acid I have engineered E. coli to produce is being incorporated into the membrane of the cells or if it is simply a free...

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