Chitosan
https://openalex.org/C2779732960
https://www.wikidata.org/wiki/Q408510
Nanoparticle
https://openalex.org/C155672457
https://www.wikidata.org/wiki/Q61231
Chemistry
https://openalex.org/C185592680
https://www.wikidata.org/wiki/Q2329
Antibacterial activity
https://openalex.org/C2780104969
https://www.wikidata.org/wiki/Q4774530
Zeta potential
https://openalex.org/C86181022
https://www.wikidata.org/wiki/Q196823
Minimum bactericidal concentration
https://openalex.org/C26381139
https://www.wikidata.org/wiki/Q1158816
Nuclear chemistry
https://openalex.org/C13965031
https://www.wikidata.org/wiki/Q243545
Copper
https://openalex.org/C544778455
https://www.wikidata.org/wiki/Q753
Chelation
https://openalex.org/C197404232
https://www.wikidata.org/wiki/Q319827
Antibacterial agent
https://openalex.org/C3019249092
https://www.wikidata.org/wiki/Q274493
Ionic strength
https://openalex.org/C187428577
https://www.wikidata.org/wiki/Q898396
Minimum inhibitory concentration
https://openalex.org/C176947019
https://www.wikidata.org/wiki/Q597889
Setting out the research questions or hypotheses
The central question in this dissertation asks how ...
[INST] Please produce a sentence from the paper. The sentence should not mention the title of the paper, rather it be extracted from the Introducing Work section of the paper.
Please provide one singular full sentence from the paper that serves the function provided, using the example as guidance. Be specific, using relevant terminology from the paper.
Refrain from vague or generic statements. Finally produce a search query in the form of a question targeted towards the knowledge contained therein. 
You must output json with the structure of {'Sentence': sentence, 'Query': query}.
Field: "Nuclear chemistry".
Paper: "Preparation and antibacterial activity of chitosan nanoparticles"
Function: "Setting out the research questions or hypotheses".
Example Sentence: "The central question in this dissertation asks how ...". [/INST]