Why can I not use mathematic expression with "j" ( complex number) in MathCAD ?

10 November 2018 4,907 1 View

Which is type of "selective switch valve" for microfluidic application ?

Hi all experienced scientists I am doing a sensing measurement based on microfluidic device. As I sketched in my attached file, I have one buffer solution (PBS) and nearly 8 bacteria samples....

07 August 2018 7,478 0 View

Is N-methacryloyl l-histidine methylester (MAH) still available ?

Hi all scientist I am doing my research work related to polymer, so I need to use N-methacryloyl l-histidine methylester (MAH) chemical. Unfortunately, I can not find any supplier for it. Does...

05 June 2018 8,348 0 View

Etching AT-cut type of Quartz Wafer ?

Hi all scientists I am gonna do a etching process with AT-cut Quartz wafer for my QCM sensor. My plate thickness is 160um, and its shape is 200 x 200 mm. Etching area will be circular shape with...

11 December 2017 9,409 0 View

How to double-side mask aligment for 1 inch wafer ?

Hi all I need to fabricate my device on quartz wafer with 1 inch in diameter and both electrodes on top and bottom side must be high concentric. So I need do this work on double-side mask...

09 October 2017 181 0 View

How to define the Quartz material in ANSYS ?

Hi Scientists I gonna do a simulation for my device ( with Quartz material, AT-cut type), using ANSYS. But I dont know how to create or define this material in ANSYS ? Hence, I post this my...

09 October 2017 5,644 0 View

Implementation of PDE equation in COMSOL ?

08 September 2017 6,808 0 View

Can I apply Matthieu equation for the rectangular plate?

Hi Scientist I am doing a design my sensor based on the rectangular quartz plate. I reviewed some paper about introduced Mathieu equation for analysing the vibration of the plate, but all plate in...

08 September 2017 3,890 0 View

Which type of OTA have "negative transconductance " ?

08 September 2017 7,803 11 View

Help me to clear problem in frequency domain (COMSOL) ?

Hi all I have a problem with eigenfrequency and frequency domain, I hope someone can help me to clear I using PDE Coefficient form, and solve my problem in 2D, with independent variable (u) =...

08 September 2017 202 1 View

Anyone plz suggest relevant topic for research in image processing+Deep learning.?

I have selected brain tumor images ...but now found that already lots of research done n this topic.

03 March 2021 5,774 3 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

How to find the mode of classified ocean colour images?

Hello, I have classified 10 S3 OLCI images from the same area (althouth not the same size and/or quadrant) and I would like to do a final image using the mode of the pixel of these 10 images. I...

01 March 2021 9,874 3 View

How to threshold an image despite bright lighting, using ImageJ/Fiji?

Hi everyone, I am using Fiji to determine the percentage of the image covered by leaves, branches, or trunk, but i've encountered some difficulty when the sun hits parts of my image like the one...

27 February 2021 1,194 3 View

Trouble with Charting with Google Earth Engine (Technical)?

Hello. I have a problem with the charting in google earth engine. I created an image collection by combining 5 image collections of five parameters and using ee.Join.inner ( ) and .apply ( )...

26 February 2021 7,084 2 View

Unknown debris sheets observed in cell culture flasks?

Hi, We culture neural progenitor cells in T175 culture flasks coated with PLO-Laminin. We have successfully grown these cells with our protocol for months. Recently, we observed large sheets...

25 February 2021 3,443 4 View

Can a Golgi-stained dendritic spines picture processed by Image J be directly used for publication?

24 February 2021 3,348 2 View