Comsol rotational semmetry?

01 February 2019 6,445 2 View

COMSOL steps summation?

HI In the study tree i have four steps time dependent step 1 time from(0-10) step 2 (10-20) step 3 (20-30) step 4 (30-40) ,i want to combine the last three steps (10-40)in a single plot,How is it...

02 December 2018 3,683 3 View

Comsol introducing equation ?

I have an equation of the temperature of the soil according to the time and the depth my question is how to introduce it in COMSOL (heat transfer in solid physics)?and how to start computing in a...

25 January 2018 7,070 6 View

Coupled wall in conformal mesh?

HI all; I am using Ansys 16 fluent .in order to have node to node mesh i used a conformal mesh by modifying multiparts multibodies to one part multibodies when exporting the mesh file to fluent i...

20 November 2017 6,454 2 View

How to prepare Phosphate buffer solution pH 7.4 ?

Please First, i need to make a pH 7.4 phosphate buffer (0.1M), for a microbiology experiment, but i am missing KH2PO4, NaH2PO4 and Na2HPO4. . I have K2HPO4 and NaOH, how can i use these two...

25 July 2016 691 13 View

Can anyone help me with Meshing 3D helical pipe in Gambit ?

Hello I am not very familiar with meshing geomytries specially 3D ones. I really appreciate if you provide some input.my geometry is a helical pipe(heat exchanger) wich circulate water inside it...

27 February 2016 8,841 3 View

Is the front metal contact (Ag, Al or Au) can change the parameters of solar cell ?

front metal contact (Ag, Al or Au) solar cell such Ag/SnO2/Si/Al

01 January 1970 9,178 8 View

It is a very interesting project, I would like to know the nature of the electrodes used if possible?

It is a very interesting project, I would like to know the nature of the electrodes used if possible?

01 January 1970 6,580 2 View

What is the best measurement method to determine bulk concentration, resistivity and mobility of thin films?

What is the best measurement method to determine bulk concentration, resistivity and mobility of thin films?

01 January 1970 7,287 11 View

Why does transmittance of organic layer comprise peak and valley within the Vis and IR ranges?

transmittance increases till a peak and descends to valley within Vis

01 January 1970 8,276 2 View

Possibility of performing cresyl violet stain after immunofluorescent stain?

I have a piece of paraffin-fixed brain slide, which I hope to perform both immunofluorescent staining and cresyl violet staining together. Afterwards, I want to first image using fluorescent...

25 December 2020 8,898 3 View

Why do my plaque assays look so weird?

I'm growing hCoV-OC43 in Vero E6 cells but whenever I do a plaque assay to assess viral titer the plaques appear as dark spots on a purple background rather than lighter spots. I attached some...

08 December 2020 6,517 2 View

What is the problem with my 10um Nissl stained cell?

Please see the attachment. In my case, I tried a lot of time on the Nissl staining on 10um cryosection. I am not sure which step goes wrong? I make sure my anti-rolling glass is intact. seem like...

07 November 2020 9,568 3 View

Is there any option for characterization of Silver Nano-particles (AgNP) in Bangladesh ?

I want to characterized Silver Nano-particles (AgNP) after green synthesis. Is any of following options - Scanning Calorimetry (DSC), Ultra Violet Visible Spectral (UV-vis) analysis, Fourier...

29 October 2020 5,740 3 View

How to make slide for Gold Nanorods sample preparation for SEM analysis?

hello! I'm synthesizing Gold Nanorods and I get both peaks with UV-Vis and all the colour changes go as per mentioned in the literature with seed-mediated synthesis. But, I never get the results...

04 October 2020 1,598 5 View

How to visualize influenza PR8 plaques while the infection is successful?

Hi, everyone, I am optimizing my protocol of influenza PR8 plaque assay. I am following the classic protocol. But I ran into problems when I am trying to visualize plaques at the high virus...

25 August 2020 2,017 1 View

How to automatically detect cheeks from images using Viola Jones?

Hi guys, Can someone guide on how can i create a detector to auto detect both sides of human cheeks from large number of dataset using viola jones? basically my project is on detecting cheeks...

10 August 2020 8,422 6 View

What should be the percentage of DMSO for dissolving crystal during MTT Assay ?

I am doing MTT assay. I have added 30ul of MTT to cell in 200ul in 96 well plate. After 3hr incubation, I need to dissolve violet color crystal, for that purpose how much percentage of DMSO will...

26 June 2020 2,881 2 View

Why gold nanoparticles UV-Vis peak was near 530 nm and when I did a repetition it showed 600 nm?

Hello, I have to explain why the first UV-vis spectra's peak is near 530 nm (purple color) and when I did a repetition it showed the peak near 600 nm (violet color). I know that violet color and...

01 May 2020 8,270 3 View

What is the best way for detection of biofilm production in staphylococci?

Hi i am trying to compere biofilm producing of different staphylococci isolates. But unfortunately with no luck. i followed this protocol: Cultures diluted 1:200 in TSB with 0.25% glucose and...

04 April 2020 8,209 2 View