Tunable graphene metamaterials
I have designed a microstrip patch antenna that works in 2.4 Ghz , but its bandwidth is 30 Mhz, I want to improve the BW, how can I do it?
03 April 2014 2,607 38 View
Much thanks.
01 February 2014 3,904 7 View
Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...
07 August 2024 1,937 1 View
I have been using paraffin, but the deposited ZnO still detach from electrode. What is the best binder to modify graphite paste electrode with ZnO nanoparticles?
03 August 2024 4,624 3 View
I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...
03 August 2024 5,384 0 View
I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...
01 August 2024 8,368 2 View
The starting material is a finely ground powder. Some particles contain more graphene than others.
30 July 2024 3,978 2 View
I have attached the charging curve from the battery tester for review. I need help on what is happening
21 July 2024 6,898 2 View
Good morning, I am trying to produce a recombinant protein. Unfortunately I one of the two restriction enzymes that I use do not cut at the end of the MCS. After the digestion 15 nucleotides of...
17 July 2024 2,787 4 View
Dear All, I am trying to define the dispersion curves of a periodic unit cell in COMSOL Multiphysics with prescribed displacements. I am using two separate studies: - Study 1: Stationary, with...
13 July 2024 7,855 1 View
Several times by placing a restriction on the upper part of the membrane with the aim of preventing the drug from being added from this side, we tried to keep the drug at the top of the leaf, but...
29 June 2024 9,688 1 View
Please, can any one inform us about risks of graphene and graphene oxide as a factor of cancer growth?
28 June 2024 6,815 4 View