Does any one know how to get "publisher's acknowledgement of receipt for a submitted manuscript"? or the received email is enough?

I have to provide proof of submitted manuscripts especially those which are under review process.

06 July 2019 3,516 1 View

What is best Mass spectrometry book with detail description of all types of mass analyzers?

Mass analyzers in Mass Spectrometry

09 October 2018 4,245 3 View

How we can calculate no of rotatable bonds in an organic molecule?

is there any free software for this purpose, can we do it by Chemdraw.

06 July 2018 5,807 3 View

Any group who can perform in vitro/ in vivo MAO-B inhibition activit of newly synthesized propargylamines?

We need biochemist partners to perform MAO-B inhibitor or other enzyme inhibition activities on oue newly synthesized propargylamines.

31 December 2017 2,819 2 View

Can anyone please suggest me a very comprehensive yet advanced book on natural produts covering introduction, isolation and major classes?

if possible please send me the pdf of book

31 December 2017 8,574 4 View

Can anyone suggest why reaction of tetrahydropyridine-2,3-dicarboxylate with hydrazine hydrate isn't successful in refluxing EtOH or MeOH?

31 December 2015 7,792 15 View

AgOTf or AgSbF6 which is more strong lewis acid?

Which one acts as more strong Lewis Acid?

08 September 2014 4,719 4 View

Does aniline stick in columns during column chromatography?

I made schiff base of carbazole aldehyde using excess of aniline, now I need to purify the product. I was just wondering will my schiff base remain stable at column and aniline will come first, or...

07 August 2014 1,298 8 View

What is the best method for synthesis of primery amines by gabreil synthesis?

Does it need acidic workup, or simple extraction with some organic solvent is OK. I already have this paper but some literature say we need acidic work up for complete removal of pthalylhydrazide...

08 September 2013 6,795 7 View

Can someone advise on whether 1-bromomethylpyrene is light sensitive or not, and does it degrade on silica?

My 1-bromomethylpyrene is pure by 1H, 13CNMR and GC-MS, but when ever I take Tlc it gives 4 or 5 spots. I am unable to understand. There is not a single extra peak in 1H and 13CNMR.

06 July 2013 5,589 2 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Why are my bands weird in this Agarose gel?

Can someone please give me some possible things that could go wrong? Here is my recipe: 0.5g Agarose 50 mL of TAE 1x 1 uL ethyl bromide. Gel was run at 100V for 1 hour. The buffer used is also TAE.

01 March 2021 9,952 3 View

How long do vaccines protect us against COVID 19?

Or will we have to get vaccinated every year, as in the case of influenza?

27 February 2021 1,048 5 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

Which are the journals for free paper publication?

A bunch of flower for everybody. I would like to ask about the list of journals which we can publish our paper for free. Thanks in advance. Sincerely Walid

25 February 2021 9,790 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

Hello, does any one know a free medical text dataset?

a free multi label clinical text dataset , containing text as entry and several labels as classes. Best regards

22 February 2021 5,988 2 View

Protocol for membrane extraction E. coli?

Hello! I am interested in determining whether a poly-unsaturated fatty acid I have engineered E. coli to produce is being incorporated into the membrane of the cells or if it is simply a free...

21 February 2021 7,447 2 View