How to take p-xrd sodiated carbon anode material?

Can i collect p-xrd data of sodiated carbon anode of sodium ion battery in presence of air? Or I have to do the xrd in inert atmosphere?

23 January 2021 3,506 2 View

How to calculate the degradation rate in percentage ?

I performed the BCA assay to calculate protein content over the time period. However, I'm not understanding how I can calculate the degradation rate in percentage at each time point? What formula...

10 January 2021 9,094 3 View

How do moisture and air contribute to the capcity fading of fabricated anode materials for Na-ion batteries?

I am using a glove box with N2 supply for Na ion battery coin cell assembly. But the oxygen level is more than 20 ppm. Can anyone one suggest whether 20ppm oxygen level is okay for battery...

15 November 2020 5,727 3 View

Probe based primers for conventional PCR?

27 August 2020 1,935 2 View

While doing NIH quality assesement of cross sectional/ cohort studies ?

for e.g. lets say, out of 14 question, if we give 1 point to 3 question , 0 point to 1 study, other 10 questions are "not applicable" to this study. what is total score and what is conclusion

13 April 2020 7,574 2 View

Specific marker for neutrophil?

Hi, I will be carrying out flow cytometry using whole blood (human) and I'm looking for a marker that is specific to human neutrophils only. Any suggestions? Thank you.

08 March 2020 9,612 3 View

Does anyone know a specific marker for identifying eosinophils and basophils using flow cytometry?

I will be using human whole blood samples.

06 January 2020 3,767 3 View

Why peaks appear down in case of absorbance measurement in FTIR?

I tested the Titanium disc in FTIR after treating it with chemicals. But the absorbance peaks are showing down. I don't know what is wrong going on.

07 November 2019 1,963 5 View

Why is the UV absorbance spectra of dsDNA melting from my experiments not as per expectations?

17 April 2019 9,339 3 View

What should be recommended plating on Mild steel fasteners (M3-M8) to pass 200 hours of salt spray test without red rust as per ASTM B117?

What should be recommended plating on Mild steel fasteners (M3-M8) to pass 200 hours of salt spray test as per ASTM B117?

05 November 2018 3,899 2 View

Can chitosan alone can act as a reducing agent for Cu(0) nanoparticle sythesis?

[Synthesizing Cu nanoparticles without using chemical reductants]

01 March 2021 8,359 1 View

Which is the best silane for making a borosilicate glass surface hydrophobic permanently? and what is the protocol?

Regarding my needs I am looking for a glass coating agent that makes the glass hydrophobic permanently

09 February 2021 3,924 5 View

Suggestions for using antisense oligonucleotide for brain delivery?

hello I am working on a project that includes gene delivery to the brain. my intentions are encapsulating a gene in a Chitosan NP and IV administration the NP to rats. beside plasmids is there...

29 January 2021 4,455 5 View

How to find degree of deacetylation of chitosan colorimetrically?

I am working with low DD% chitosan. It doesn't dissolve completely in acidic solutions. How to calculate the degree of deacetylation by potentiometric and acid-base titration, UV spectroscopic...

27 January 2021 8,532 2 View

How to calculate theoretical drug loading for polymer nanoparticle and calculated nanoparticle ?

nanoparticles coated with chitosan as well uncoated nanoparticle

26 January 2021 9,053 6 View

I am unable to get proper OH peak upon modification of iron oxide nanoparticles with TEOS some one can elobarete the problem?

I have synthesis iron oxide nanoparticles need surface modification when introduce TEoS I got silane layer but not Oh group .Since this Oh group is necessary for further introduction of double bond .

23 January 2021 8,278 4 View

What mechanism is involved when chitosan is coated on magnetic nanoparticles?

Hello! I am currently working on coating of chitosan on magnetic Fe3O4 nanoparticles. I am wondering how this coating process happened? i.e. through what mechanism that chitosan can be coated on...

13 January 2021 5,657 5 View

Do chemical and physical properties influence on the size of a polymer particle?

I would like to know if the properties of a polymer impact on the size of the particle it forms. I'm working with different polyssacharides (alginic acid from different seaweed), which are...

29 December 2020 7,333 6 View

Is the chitosan solution soluble in the physiological environment of PBS (pH: 6.2)?

Is the chitosan solution soluble in the physiological environment of PBS (pH: 6.2)?

27 December 2020 1,263 3 View

Can you suggest me how can I use D2O for dissolving chitosan sample for NMR analysis?

I am trying to dissolve chitosan with pure D2O but it is not dissolving. I read some articles that used D2O for dissolving chitosan before 1H and 13C NMR analysis? Do I need to do some...

14 December 2020 6,931 5 View