Any references about insects or animals that can damage or weathering of rock or fossil material?

Are there any references to insects or animals that can cause damage or weathering to the rock or fossil material? books or paper that would be nice. Thank you very much!

24 February 2021 6,805 3 View

How to prepare a liquid sample for FTIR spectrum?

I have a ethanol-water 50% extract of mango peel. I purified mangiferin from the extract with filtration and precipitation. so i obtained a low concentrated extract which i want to se the IR...

24 January 2021 8,880 7 View

How can I find the best subject between architecture, economy, historical site ?

Hi there, I consider to write my final thesis in master architecture. I am trying to find a good link between economy impact , historical site and high rise buildings which I am interested in, but...

16 November 2020 4,682 16 View

Could you assist us by filling out this short survey for online instructors?

Dear colleagues, If you have shifted from teaching face-to-face to teach online, due to the COVID-19 pandemic, we would appreciate your cooperation in filling-up this short...

12 May 2020 8,532 48 View

Resource to understand silicon lithiation mechanism in lithium ion battereis?

Hi everyone, I'm looking for an article or book which explains the silicon-lithium alloy formation, which includes an account of volume change as well as the two-phase mechanism.

30 March 2020 5,880 2 View

Agarose amount in serum protein electrophoresis?

I have Mini gel tank from life technologies, I want to use it for my serum electrophoresis. Does anyone have idea about how many percentage of ready to use agarose need to order for the SPE?

26 February 2020 8,793 3 View

Do you think theoretical thematic analysis can fit with a critical realist ontology constructivist epistemology?

15 February 2020 1,397 6 View

V-REP & Python for trajectories?

I plan to use V-REP together with python for the development of trajectories in 3D CAD models, the path I will trace on the CAD file and generate a DXF file of it, Python would process it to enter...

06 November 2019 5,699 2 View

Can someone help me with instructions to mount 3D CAD files in ROS MoveIt?

I am new to using ROS MoveIt, I want to know how to load 3D CAD files of industrial parts to perform the actuator trajectory based on the cad file.

16 October 2019 5,351 2 View

Have you ever uploaded a revised manuscript (and responded to the reviewers' remarks); then you were informed that your reviewers have been changed?

I have recently responded to three (3) reviewers' critical remarks, then the editor informed me that these reviewers have been changed (as they declined to review my revised contribution - i.e....

25 July 2019 6,669 14 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

Can anyone help me with the administration of the "Mind the Gap" Scale for satisfaction with transition to adult care?

We are working on a study focused on adolescents' transition to adult care and are looking for a validated measure for satisfaction with the transition. So far the only measure that we have came...

28 February 2021 2,338 1 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

Can anyone recommend which is the best free questionnaire software please?

Hello, I am looking to send out links to an online survey. My previous research project used a paid for survey software. I am now looking for something that's free but straight forward to...

19 February 2021 5,641 3 View