Are there tools in Matlab for modelling ultrasonic wave propagation in composite material?

Tools in Matlab for modelling ultrasonic wave propagation in composite material

13 April 2020 3,079 4 View

Is this a plant protoplast ?

I have attached a couple of images (cells in a hemocytometer under a cover slip). Is the structure a protoplast ? If yes, do protoplasts have non-spherical structures ? ( excuse the poor image...

23 January 2020 9,373 5 View

PRGE31_Restriction site upstream of gRNA scaffold ?

I am new to plant biology, looking for a gRNA and a Cas9 expressing construct to transform dicot plants. pRGE31 hosts a gRNA scaffold sequence but can't find a restriction site upstream of the...

09 December 2019 3,275 3 View

How to extract elevation value related to a particular pixel (latitude, longitude) in USGS 1-arc-second SRTM Geotiff file using python3?

Attached the elevation data from USGS 1-arc-second SRTM data. I understood that every pixel is associated with a latitude/longitude and elevation data at that location. I want to extract the...

30 August 2019 7,094 3 View

Viral packaging and Retroviral transduction of cardiac fibroblasts ?

I have been transfecting Plat-E cells ( encodes gag-pol, env genes ) with pMX-dsRed which contains the 'psi packaging signal' Starting population : 6x10^cells (PlatE) - one 10cm dish pMX-dsRed...

04 October 2017 1,607 5 View

AttR1 sequence (for gateway cloning) in between a 3xFlag sequence and Gene of interest?

Does the presence of an attR1 sequence (~ 120bp) in between a 3xFlag sequence and the N-terminal of gene of interest affect translation of the gene. The backbone destination vector has the 3X Flag...

22 November 2016 2,015 2 View

Why the spectrum of a signal using Fourier series is discontinuous and spectrum of signal using Fourier transform is continuous?

04 August 2015 7,588 6 View

What is FRI (Finite rate innovation) Signals? whether GPS signal falls in this category?

signal processing

27 April 2015 3,293 2 View

What is the difference between denaturation and melting temperature of proteins?

I found its almost same in many research papers, but some researchers suggest its different.

11 June 2014 5,116 6 View

How to extract insolation data for a particular latitude and longitude from hdf file in Python 3?

Sample dataset from Kalpana satellite is attached. Need to extract the insolation values for a particular latitude and longitude.

01 January 1970 8,695 4 View

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

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...

21 February 2021 7,447 2 View

Can anyone recommend which is the best free questionnaire software please?

Hello, I am looking to send out links to an online survey. My previous research project used a paid for survey software. I am now looking for something that's free but straight forward to...

19 February 2021 5,641 3 View