How to use protein A G beads to purify antibody?

Secretory universal influenza antibody CR9114 were successfully expressed by adenovirus vector ,then we used protein A G beads purify CR9114.But the molecular weight of the purified antibody under...

22 February 2021 4,318 2 View

Amorphous silica XRD peak at around 10 degree?

21 February 2021 3,417 5 View

Why are there two reduction peaks in my cyclic voltammogram?

When I measured the cyclic voltammogram of palladium in the pbs solution, two reduction peaks appeared. This did not match the literature I saw. Why? And how can I find the possible reaction...

20 February 2021 2,486 3 View

How could I get the P-value from the mean, SEM, and n of different groups in the t-test?

How could I get the P-value from the mean, SEM, and n of different groups in the t-test without the original data? For detail, I would like to know the P-value between BMP-2: 50ng/ml group and the...

06 February 2021 6,539 4 View

How can I get rid of the bubbles in the SBS membrane?

I used methylcyclohexane/ ethylcyclohexane / n-butyl acetate mixed solvent to dissolve thermoplastic SBS & terpene resin. The mixture is then poured onto a glass substrate. After solvent...

24 January 2021 8,306 3 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

Which configuration of seawater treatment is better?

Hi world, I have a curious question about desalination of seawater. Since seawater contains a alarming amount of suspended solids and salt (35 ppt). Which of these configuration is more viable...

03 January 2021 2,383 2 View

The impact of different poisson's ratios when analysising field vibration?

The Poisson's ratio of soil is quite difficult for us geo-engineers to obtain. I came across a problem when I tried to determine the parameters in a FEM model. For the saturated clay in...

02 January 2021 8,971 3 View

Why oxidation with peracetic acid engender staining of oxytalan fibers with clastic tissue stains?

Just a quick question above, this oxidation method is mentioned by literature, but no one talked about the principle. Can anyone figure out how the oxidation works on any specific group?

20 December 2020 5,878 1 View

Is it possible to deposition a large area dielectric layer(mm scale) on the wet transferred graphene?

I want to deposition a dielectric layer on top of the CVD wet transferred graphene. The purpose of the dielectric layer is to uniformly cover the graphene and enable the top-gate modification of...

14 December 2020 7,693 2 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

Can linear DNA be used as template for site-directed mutagenesis?

Is it possible to induce site-directed substitution mutation by quick-change method on linear dsDNA? or it has to be cloned in some vector? If yes, should it be treated with the Dpn1 enzyme...

03 March 2021 401 4 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

Can we proceed to perform Two-way Mixed-ANOVA despite normality violations?

While testing assumptions, Shapiro-Wilk Test failed. However, I proceeded with the analysis and the interaction effect was significant. During our course- lectures, it was mentioned that Anova...

24 February 2021 228 3 View

How to run repeated measures in mvabund?

I have a dataset of fish species abundances collected from 6 different habitats over the course of 30 years. Fish were collected multiple times per year and environmental variables were recorded...

21 February 2021 3,838 1 View

How to get the vector of a specific vibration mode in phonon dispersion?

For example, I have this phonon dispersion(Fig. 1), and now I would like get vector of atoms which describes TA1 in P. I know v_sim can show vibrational animation of specific mode, but I do not...

20 February 2021 4,332 4 View

Specify the Burgers vectors for dislocations, which cannot be uniquely identified.?

1. A bcc metal single crystal was sliced along (1 -1 0) plane for TEM study. Assuming that the TEM available is equipped with a goniometer stage which tilts up to 45o. The Burgers vector of...

20 February 2021 2,370 1 View

I am working on image transmission, i converted the image into binary vector, i want to extract the MSB of each pixel ?

i have a vector 1*512 size, i want to take the first value every 8 elements and put these elements at the end of the vector,how to do this on matlab ?

19 February 2021 2,352 5 View