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

Tooth extraction and subsequent dental implant placement in Sprague-Dawley rats induce differential changes in anterior digastric myofibre size and ?

01 March 2021 7,254 3 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 View

What are the best cations for preparing competent cells, Ca2+ or Mg2+?

I have been reading various articles and most state that treatment with CaCl2 produces higher efficiency of transformation than MgCl2. Can anyone explain why Ca2+ is better than Mg2+ at...

16 February 2021 8,519 5 View

How to dissolve lyophilized silk fibroin?

Dear members of the community, I am trying to concentrate silk fibroin to 25 % (w/v). Nevertheless, i am struggling with the concentration step. I successfully achieve concentrations of 5-6 % of...

16 February 2021 1,808 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

Which and How to use teaching strategies and procedures to effectively integrate the four skills while teaching English Language Online?

As an inexperienced teacher in the field of online teaching, I have the fear of unconsciously ignoring one of the skills while focusing on not ignoring the other! Therefore, I wish to make use of...

09 February 2021 5,101 4 View

Would using an asRNA for repressing transcription of a high expression Listeria monocytogenes non-coding RNA harbored in a plasmid be a viable option?

Hello all, I am interested in deleting a highly expressed non-coding RNA located on a Listeria monocytogenes plasmid. Currently, there are not any optimized gene deletion methods for Listeria...

09 February 2021 4,994 1 View

Review Papers regarding transcriptional regulations & promoter types/classes in Gram positive bacteria?

Dear fellow researchers, Could you please suggest me excellent review papers discussing transcriptional regulations and/or promoter classes in Gram positive bacteria? Thank you so much for your help!

08 February 2021 6,909 3 View