To fabricate perovskite solar cell, we have a glove box with argon gas; however, many articles use N2 gas. Does the gas impacts?

More Hao Xu's questions See All

In silico can we join two ligands for docking....?

I have performed docking of proteins with two ligands, both ligands show affinity. I want to check the effect if we join both ligands and perform docking

20 July 2024 2,653 2 View

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

If I want to invent my own hypothesis testing method, where should I get started ?

15 July 2024 5,376 5 View

I've earned 1 best paper award and 4 best oral presentation awards. What should I do next?

I've earned 1 best paper award and 4 best oral presentation awards. What should I do next to elevate my academic capabilities to the next level ?

14 July 2024 6,071 5 View

How to start writing an anti-virus software ?

I read several information security books. How do I start writing anti-virus softwares ？

13 July 2024 8,180 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

GC-MS retention index prediticon?

Hello experts, Does anyone know any free software about retention index prediction ?

08 August 2024 7,403 2 View

Is there any way to quantify bacterial and fungal cells in their mixed culture?

I am working in fungal fermentation of soybean meal and there is bacterial growth in them at times. I am trying to quantify fungal cell counts and bacterial cells; but I haven't been able to do at...

07 August 2024 7,535 4 View

Stability of the Solar System: Insights from Einstein’s Equations ?

The stability of the Solar System is a complex subject that blends the classical framework of Newtonian mechanics with the modern insights provided by General Relativity (GR). Understanding this...

07 August 2024 2,569 1 View

AUX gas reading problem on QE with full MS and PRM method in one run?

Dear QE-users, In the method where full MS positive mode and PRM mode are used, we always get an incorrect auxiliary gas reading (41 instead of 25). This only happens in this method; other...

06 August 2024 4,953 0 View

Why activated CAR-Jurkat cell could not kill targets?

Previously when I co-coluture anti-CD19(FMC63) CAR-Jurkat with Raji with E:T=5:1, Jurkat can eliminate Raji in 24h. However, when I test another CAR construct, although I can dectect totally CD69...

06 August 2024 641 2 View

Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 980 5 View

How much total RNA concentration to be extracted from sorted plasma cells from bone marrow of C57BL/6 mice for RT-PCR ?

i have sorted anti-NP specific plasma cells from bone marrow of C57BL/6 mice at certain times after immunization with variable counts and isolated total RNA using TRIZOL method for RT-PCR using...

05 August 2024 8,835 1 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

How can I inoculate a lyophilized anaerobic bacteria into the culture medium without an anaerobic chamber?

There are anaerobic gas pak jars and environment providers in the laboratory that provide anaerobic environmental conditions for the growth of anaerobic bacteria. However, there is no anaerobic...

05 August 2024 4,945 3 View

How to isolate lymphocytes from mouse spleen?

I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...

04 August 2024 9,913 7 View