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 high infiltration in OM treated plot?

We are carrying out trial in the glasshouse where we are comparing the infiltration rate in sodic soil in two different treatments Polyacrylamide vs organic matter ( lucerne pellet). within 27...

25 November 2020 8,787 3 View

I am having problems in removing m-cpba and its corresponding acid ?

I am doing alkane oxidation using m-CPBA as oxidant in DCM. How can I remove the oxidant and its corresponding acid (m-CBA) from my reaction mixture? I also did aqueous work-up using NaHCO3 and...

13 August 2020 8,290 3 View

What are the alternative way to identify the stem cells present in cord blood??

commonly used practices for the identification and characterization of the kind of cell in cord blood other than Flowcytometry and reverse-transcription polymerase chain reaction (RT-PCR).

08 August 2020 6,881 3 View

Why Nepal's agriculture sector growth is staggering?

Agriculture is the major contributor to the national economy, livelihood and employment since long. However, despite the priority in the national policies, the growth of the agriculture sector is...

05 June 2020 1,079 2 View

VCF File SNP Analysis ??

Hello all, I have 60 samples of Whole Genome Sequence (BAM, VCF ) File. Now I want to do SNP analysis ( I am trying to find some positions which differ among case and Control ). I did with...

30 May 2020 980 4 View

Does the internet based survey research need ethical approval?

As internet is, now-a-days, a useful tool for data collection and research, issues also go hand in hand with ethical approval and informed consent. As participants are, by default, give their...

25 May 2020 4,055 13 View

What is the appropriate statistical analysis for Pre-test Post test study with control group and binary outcome?

Let us consider, I collected baseline data for control and experimental group. After that i give intervention to experimental group. Later, I collected data from both group after intervention. If...

18 May 2020 6,007 7 View

Is it possible that an anticancer drug IC50 value for a particular cancerous cell line decreases on conjugation with an antibody??

Is it possible that an anticancer drug IC50 value for a particular cancerous cell line decreases on conjugation with an antibody??

22 April 2020 9,482 4 View

Does the poly crystalline tungsten nano tip's atom migrate from one layer to another layer under high voltage in Field ion microscope (FIM)?

In Field ion microscopy (FIM), polycrystalline tungsten nanotip is (110) oriented tip. under the gas etching process, the nanotip becomes more sharp by reducing the atomic layer. During the...

14 January 2020 8,055 1 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Why can't make aluminum nitride film successfully by use sputter?

We use reactive sputtering process to make aluminum nitride film, and want to make c-axis aluminum nitride film on a silicon substrate, but the crystal orientation cannot be seen with...

03 March 2021 7,975 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

How do I increase the yield of my PCR product?

Hello, We would like to increase the yield of our PCR product. We are running a series of PCR reactions that is targeting ~1.1kb sequence. We begin each reaction with ~400pg of template DNA...

02 March 2021 4,029 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View