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

Why can`t I isolate RNA from Extracellular vesicles?

Hello, I have been trying to isolate RNA from EVs (from MSCs) for a while. I isolate the EVs using SEC. Then I use the "Total Exosome RNA and Protein Isolation Kit" from Invitrogen. When I...

21 October 2020 8,559 4 View

May anyone help to economics and environmental evaluation of inter-basin water transfer project?

Need help... I am looking for the instructions for economics and environmental evaluation of inter-basin water transfer project. I shall be thankful if anyone help me. Regards #economics #water...

17 August 2020 4,045 3 View

How to directly use a directory of .h5 files as the training set in Python without appending them to a list?

I am trying to append .h5 files saved in a directory for my training set using Python, but I face memory error as the Data set is very large. The following code is what I used for...

23 April 2020 9,649 2 View

To record trajectory tracking performance of a controller, is it resonable to calculate the mean_square_error or the normalized-measn-square-error?

I some papers, the mean square error is considered. In some other, the mse is normalized by dividing the error by the (total sampling instants x the total length of the reference...

25 February 2020 784 4 View

What is the most reliable guide for identification of alternaria species based on morphological and cultural criteria?

what is the most reliable guide for identification of alternaria species based on morphological and cultural criteria?

02 December 2019 174 1 View

Dose anyone have a book entitled 'Waterborne Pathogens. Detection Methods and Applications' ?

I would be grateful if anyone could help me in this regard.

16 June 2019 8,644 3 View

How the nonholonomy of mobile robots allow control of the system with less control inputs?

In "Simultaneous Stabilization and Tracking of Nonholonomic Mobile Robots: A Lyapunov-Based Approach", the authors stated that the nonholonomy of mobile robots allows control of the system with...

27 May 2019 7,721 4 View

How to interpret DMA?

18 May 2019 631 6 View

What are the most reliable tools or softwares for designing of the CRISPR gRNAs?

Dear all, Which tool is more reliable? CHOP CHOP or CRISPRdirect? I need some information about other tools and softwares. Thanks a lot

08 May 2019 10,004 2 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,100 5 View

Steps to calculate activation energy by coats & redfern method?

I'm a chemistry student and I'm researching the kinetic degradation of mixed plastic waste. I'm having trouble calculating the activation energy by the coats & Redfern method. The data that...

24 February 2021 974 1 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View

RNA degraded after good nanodrop readings?

23 February 2021 8,850 2 View

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...

22 February 2021 4,240 4 View