How to remove DCU and HOBT from my reaction?

I am doing a acid and a chiral amino alcohol reaction using DCC and HOBT in DCM or THF? Can anyone suggest me how to remove DCU and HOBT from a reaction mixture??

28 February 2021 2,153 1 View

Why Arnold Cat Map is widely used to encrypt the watermark?

What is the main reason that most of the researcher uses ACM to encrypt the watermark? There is various other image encryption technique but for watermarking ACM technique is used?

24 December 2020 9,807 1 View

Which polar protic solvent are used in replacement of Ethanol or methanol?

In reaction condition, my starting materials are highly polar which are not soluble in ethanol and methanol.

03 December 2020 5,792 2 View

Can anyone recommond the journal for biopolymer production?

I wanted to know about the journal with a high rate of acceptance and sci index.

01 December 2020 7,533 1 View

How can I model Solar PV, Battery from Electric vehicles, and grid in Matlab for cost minimization?

How can I model a system in Matlab consisting of Solar PV, Several Batteries from Electrical vehicles, and a grid altogether so that the load demand is fulfilled in such a way that the cost of...

20 November 2020 8,580 4 View

How can I model three types of power sources which are fossil power from the grid, green power from the solar panel, and green power from the PHEV?

How can I model three types of power sources which are fossil power from the grid, green power from the solar panel, and green power from the PHEV from cars of 100 employees (who come in the...

12 October 2020 4,720 3 View

How many internet Switches are there between one country to another country?

How many internet Switches are there between one country to another country?.

11 October 2020 1,034 3 View

Is "Toxic Positivity" is harming Teachers during this Pandemic?

School leaders are trying to infuse positivity in teachers through the toxic positivity. It is creating more frustrations in teachers because their problems are not solved yet expected to work...

11 October 2020 8,210 4 View

What should be the Bragg R-factor value to stop at while performing the Rietveld Refinement?

How does the Bragg-R factor value effects the chi-square value?

22 September 2020 5,784 4 View

Dispersion of Graphene?

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14 September 2020 8,364 5 View

Which fluorescent dye to use for measuring total ROS production?

Is DCFDA appropriate for measuring total ROS production, or can it only detect certain types of ROS? If I want to measure total ROS production, which dye should I use?

01 March 2021 9,447 3 View

Why do my MCFs not form monolayer?

Hello, I am looking for some expertise on culturing MCF7s. I purchased them from ATCC and I have been following all media and culture conditions. Media is EMEM with 10% FBS and 10ug/mL of...

27 February 2021 3,904 2 View

In methylene blue test Why is UV absorbance reading very low as soon adsorbent is added and then increasing before reaching equilibrium?

Hello, I'm working on removal of methylene blue. 01. in the dark test very first reading is taken 15 minutes after adding adsorbent to the dye solution and that UV absorbance reading is very...

19 February 2021 472 5 View

Where would? can? positive charge(vacancy) be when grounded?

Hello I plasma(H2N2) treated Al2O3 plate (edge is connected to ground) and wondered if oxygen vacancy migration on the plate can occurs as electrons escape through edge. Or whatever positive...

15 February 2021 8,118 1 View

ZnS oxidizes to ZnO!!why??

when I put my ZnS solution in the chemical bath, the ZnS oxidizes so there are ZnO peaks appearing because of the reaction with the oxygen in the air, despite the fact that I close the beaker...

14 February 2021 5,778 9 View

How to prepare OH- terminated Si Wafer?

Hi, Folks. I am working on the ALD project to deposit Al2O3 on the Si wafer from TMA and Water. I have struggled with the preparation of OH- terminated Si wafer. I have both Si(1 0 0) and...

08 February 2021 8,792 2 View

Is it possible to have a diffusion of oxygen from the glass substrate (SiO2) into the absorbent layer during annealing process?

02 February 2021 382 7 View

How to do ORR test with pine(Which means RDE or RRDE electrode)?

I want to do LSV ,CV test of ORR(Oxygen reduction reaction). But our laboratory don't have the RDE and RRDE electode. And I was wondering if I can do the tests by magnetic stiring or mechanical...

14 January 2021 1,869 2 View

How is oxygen vacancy formed in Tio2 and help with anatase to rutile transformation?

I am unable to visualize the basic formation of Oxygen vacancies in Tio2 as sometimes information is a bit scattered. Can anyone help me with how these point defects are formed and what prompts ?...

08 January 2021 2,017 4 View

Mysterious line across SDS gel?

Does anyone have the similar issue? A line across the denature SDS gel shows up after staining with Coomassie blue and there are many lines in every lane if you take a closer look. This gel had 15...

07 January 2021 5,610 4 View