Reaction condition to convert NH2 to COOH?

I need to couple Dopamine by NH2 end to silica nanoparticles coated by PEG-NH2, but first i need to convert the PEG-NH2 to COOH by using succinic anhydrous ... can you suggest a reaction condition ?

13 February 2021 2,768 4 View

Hello every one .. I want to know the wave length of sotalol and sertraline determination by UV spectrophotometer ?

i want the wave length that detected bu uv spectro not by other devices

18 January 2021 7,020 2 View

Surface modification of silica nanoparticles with PEG?

I'm trying to coat my silica NP with diamine PEG, so i used GOPTS to add epoxy group on the surface of the NP then i'll add the PEG. I can not found protocol for SiNP coating PEG, most of the...

13 January 2021 4,915 4 View

Silica nanoparticles synthesis using Stober method with size rang 30-50 nm?

I'm preparing silica NP controlling the size by using different concentration of NH4OH. 1- 16.75 ml ethanol. 2-0.5 ml TEOS. 3- NH4OH (0.3- 0.5- 0.75- 1 ml) mixed for 24 hr then evaporate the...

27 November 2020 1,504 13 View

Which neuronal cell line contain D1R?

I'm formulating a drug delivery system that could stimulate Dopamine receptor, For that i need to choose cell line that contain D1R and could be simulated using my delivery system... I have read...

20 November 2020 9,104 2 View

When I try to run the subroutine this error shows up "LINK : fatal error LNK1181: cannot open input file 'vcruntime.lib' " any idea how to fix that ?

hello everyone , am using VS 2013, intel parallel studio 2018 and abaqus 2018. when I try to run the subroutine this error shows up "LINK : fatal error LNK1181: cannot open input file...

12 April 2020 2,877 1 View

HOW to link Abaqus 2017 with INTEL PARALLEL Studio and Visual Studio ? which versions of VS and intell studio do i need ?

I have visual studio 2013, and intel parallel studio xe 2020 as it's the only version I could found online.. I can't seem to link the 3 softewares with each other ? any idea what to do ? ALSO...

02 April 2020 9,628 2 View

HPLC actinomyceyes active compound ?

I have actinomycetes extraction and I need to detected by HPLC, so I need the protocol of hplc RP-8 chromatographic column

29 December 2019 7,578 3 View

Am using software STAMP, to compare the gut microbiota of two groups. I need to know what is the significant different in family level ,NGS,QIIME?

Hi All I start sing the software STAMP, My project is to compare two gut microbiota groups. I need to know what is the significant different between this tow group in family level. could you...

17 November 2019 2,650 2 View

Magnetic Field Effect on dielectric constant of plasmonic thin in magnetic-plasmonic structure ?

Hello, What is the relation between dielectric constant of the plasmonic material and the magnetization of magnetic materail in magnetic-plasmonic nanocomposite or structure.

14 November 2019 7,585 2 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Can I ask did any good platform or journals for learning the calcluation on the reference governors and command governor?

Recently I face some problems with the mathematical ( calculation) on the reference governor and command governor, so I need some help from you all to get which platform or journal can let me...

23 February 2021 7,746 2 View

Special issue on PLS-SEM in Mathematics. Are you interested?

21 February 2021 5,601 3 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View

Where I can find materials to learn Fuzzy VIKOR methodology?

Please suggest ways to learn Fuzzy VIKOR methodology in a best possible way. And is there any toolkit available for the same? Thank you in advance.

20 February 2021 8,271 3 View

Can someone let me know literature on Intuitionistic Fuzzy Information Systems?

Fuzzy Information Systems are well known long since. There are two popular type of such systems in the form of Mamdani model and Sugeno model. Intuitionistic fuzzy sets are generalizations of...

19 February 2021 3,118 1 View

Can we use image data in MATLAB Neuro Fuzzy Designer ?

I have remotely sensed data (image) that I want to use in the Neuro-Fuzzy Designer apps of MATLAB. Is it possible to use an image file in the Neuro-Fuzzy Designer app or only numeric data is...

17 February 2021 1,205 5 View

How can I obtain a sine function along a path with known equation?

I have a symmetric airfoil with known equation. Now a sine function passes along the airfoil equation like following figure. I want to find the sine function in (x,y) coordinate system.

17 February 2021 1,594 12 View

How can we determine the positive definiteness of multivariable polyomial? Is there any MATLAB function available for that?

Can we check the positive definiteness of a multivariable polynomial using MATLAB functions? Of course in literature, there are few complex methods that use tensor algebra. However, before going...

16 February 2021 1,218 3 View