Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

What information can be had from raman at higher wavenumber?

i have recorded raman spectra of strontium oxide thin film. the spectra were recorded in the range 400 to 4000 cm-1. i have reference to peaks upto 1000cm-1. but i couldn't find literature for...

26 February 2021 2,499 1 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

Langevin Dynamics in shear flow?

Hi, We are trying to simulate particles with Langevin dynamics in a shear flow by Lees-Edwards boundary conditions in MD simulations. It seems thermal forces and shear flow do not go hand in...

23 February 2021 1,761 1 View

How we can measure Kemp % in wool without using of benzene?

Would you please let me to know about the methods for measurement of medullation and Kemp % on animal? My problem is that the wool sampling and sending to laboratory is not possible. So I would...

21 February 2021 7,260 4 View

Which is the best software or programming language (user friendly) for analysing data?

I have a basic knowledge on Python, R and MATLAB in analysing data. Among those, which is the best and user friendly? Which one should I learn deeply to analyse data?N:B: I want to learn data...

20 February 2021 3,950 15 View

Hi..how to isolate crude HDL (all subfractions) from human serum by size exclusion chromatography?

I would like to know about isolation of crude HDL from serum by SEC. Is it possible to perform with a serum sample volume of

19 February 2021 5,576 2 View

What is the reason film thickness increased?

what is the reason film thickness increased when increased doping concentrations give some reasons The measured film thickness is 156, 282, 394, 548 and 681 nm for 0, 1.5, 2.5, 3.5, and 4.5 wt....

17 February 2021 8,987 5 View

Do you have any experience with transfection of EBV immortalized B cells with Lipofectamine?

I know that efficiency of transfection for primary B cells is very low with Lipofectamine. But I did not try that for EBV immortalized B cells. Do you have any experience with transfection of EBV...

05 February 2021 4,159 1 View

How to determine the drug loading and the drug release capacity of a polymer micelle using UV spectroscopy?

Currently, I am working on PLA-PEG copolymer micelle for the drug delivery system. I have seen several papers where some researcher talks to centrifuge the drug-loaded micelle to separate the...

13 February 2021 5,822 7 View

What is role of toluene and stearic acid in ball milling for powder ? In what weight percent we should add this to powder?

I am doing ball milling operation of Aluminum and silicon carbide powder. I am pretty confused about what should be added as process control agent ? what is role of toluene as PCA and stearic...

12 February 2021 5,205 3 View

What is the reason for using Glass Impingers?

Impinger bottles are used at some applications, where the gas is cooled and the condensate is dissolved in a solvent contained in the impingers. I have always seen impingers made of glass. Why not...

03 February 2021 6,959 2 View

Can anyone tell me how can I reduce the particle size of a polymer micelle ?

Currently, I am working on the PLA-PEG polymer micelle for the drug delivery system. The micelle I have synthesized I got avg 900nm particle size on DLS. I want to reduce the particle size below...

31 January 2021 2,684 5 View

The lipid bilayer broken down and form micelle within 1ns MD simulation. How to simulate lipid bilayer without breaking bilayer?

To simulate the lipid bilayer (10-10, 25-25 so on) from CHARMM-GUI membrane builder, we used to simulate it at various force field (AMBER14, AMBER03, AMBER14IPQ, AMBER15FB, NOVA, YAMBER) at water...

26 January 2021 7,816 2 View

In order to simulate a DWC in steady state, how to put the unit operations in the flowsheet of any process simulator?

14 January 2021 3,938 6 View

Is it reliable to use toluene as a solvent in measuring density by liquid displacement method?

Hi all, I am working on pollen and want to examine the true density. No doubt, toluene does not swell the particles but it may dissolve the lipid materials and other organic molecules besides the...

07 January 2021 2,471 2 View

What is the best way to maintain constant concentration of a volatile organic liquid in an open experimental set-up?

The purpose is to keep a NAPL (eg Toluene) concentration constant in an open tank set-up.

27 December 2020 7,325 2 View

How to obtain a wet deposited film by spin coating method?

I tried to deposit some polystyrene thin films by the use of spin coating method. I should mention that the solvent which I used was toluene. The films which I obtained were totally dry. While I...

14 December 2020 4,655 5 View

Is there a solvent for polypropylene at room temperature?

I want to dissolve polypropylene for making a solution so as to make fibres at room temperature. I have tried toluene and xylene but without any success in dissolving.

06 December 2020 8,479 2 View