How long is the electron transfer between the dye molecules and ZnO photocatalyst?

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Can anyone recommend a brand of cas9 protein that can be used for in-vivo editing in model animals?

zebrafish and mouse

19 July 2024 9,158 1 View

Dear scientific researchers, may I ask you, what is the function of the ∑ in the picture?

10 July 2024 2,037 3 View

Why are there holes on the surface of TiO2 films deposited by ion beam sputtering?

We have observed many holes on the surface of TiO2. These holes have a diameter of approximately 1 µm and a depth of about 30 nm. The formation of these holes is mainly related to the...

20 June 2024 3,861 1 View

How do you understand that geometric phases are complex?

What kind of cases are geometric phases real? In what case is the geometric phase complex? If the geometric phase is complex, how do we make sense of it?

18 June 2024 6,388 4 View

Why the rat cortical primary neurons suddenly dead/turn into bad condition after about 6days?

I used SD rats (E19) for cortical neuron extraction. Due to the need for subsequent special experiments, I cultured the neurons in a Corning PDL 384-well plate. The culture medium is Neurobasal +...

12 June 2024 1,714 4 View

What does oxide content mean in XRF testing?

XRF tests were performed on magnetite where the oxide content showed 49.822% Fe2O3, so why not Fe3O4 content as a percentage? How can we deduce the Fe3O4 content?

25 May 2024 1,714 2 View

Can acoustic wave transfer through solid medium?

Since the acoustic impedances of air and solid medium are not in the same order, the acoustic wave transferring in the air would be theoretically fully reflected on the solid surface. So my...

21 May 2024 6,858 9 View

Asking for help: Dear academic experts, does anyone have data on girth weld failure?

07 May 2024 9,666 1 View

The following three papers are widely cited by geodesists, but they are all written in German; can anyone help with translating them into English?

Meissl P (1962) Die innere Genauigkeit eines Punkthaufens. Österreichische Zeitschrift für Vermessungswesen 50, Nr. 5, S. 159–165, Nr. 6, S, pp 186–194 Meissl P (1965) Uber die innere Genauigheit...

04 May 2024 6,178 0 View

Are there any group chats or websites recommended for soil contaminant degradation?

Are there any group chats or websites recommended for soil contaminant degradation? Thank you!

26 April 2024 4,887 1 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

1. If I can quantize the atom using this hyperbolic spiral and classical physics, could nature do the same?

If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...

07 August 2024 5,343 2 View

How to fix errors in my heat transfer steel structure with reinforced concrete slab model Abaqus?

I have modelled a steel structure using beam elements in Abaqus and attached to this structure reinforced concrete slab. The analysis that I am making is heat transfer of the structure. The...

07 August 2024 1,028 0 View

Is there anyone with experience in TEM analysis who can assist with a manuscript for an upcoming journal?

Hello dear colleagues, We have prepared a manuscript on NiTi-based alloys and are seeking a second opinion on our current TEM results. If you are a Ph.D. holder with experience in TEM and have...

07 August 2024 9,563 0 View

Which distribution type should I use when calculating the average particle size from TEM image? and how to calculate the error ?

average particle size calculation from TEM

04 August 2024 2,921 1 View

Why reactivity isn't increased with more empty spots in valence shell?

If from a geometric perspective the non-halogens, non-noble gases have more empty spots in their valence shell, and the filling/exiting of any of the empty spots in the shell constitutes a...

03 August 2024 4,787 2 View

Why is the molecule's orientation with an electric field affect polarizability?

Why is the molecule's orientation with an electric field affect polarizability? Electrons are diffuse enough to be independent with respect to orientation and effect of electric field on...

03 August 2024 7,843 1 View

Why doesn't chromium 2+ ion use all its d-orbitals to receive lone pairs from six waters in [Cr(H20)6)]3+?

I'm guessing it's because the ligand experiences too much electron repulsion or proton repulsion from the chromium to insert them close to the 3d-orbitals which are close to the metal nucleus. Is...

03 August 2024 1,370 1 View

Binder for ZnO nanoparticles in graphite paste electrode?

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

Is it necessary to covary exogenous constructs in a structural model?

I am working on a SEM model where i have 7 latent variables (6 exogenous and 1 endogenous). In AMOS when I co-vary the exogenous constructs, only 2 paths are coming significant out of 6. But when...

03 August 2024 6,028 4 View