Surface Chemical Compositions and Dispersity of Starch Nanocrystals Formed by Sulfuric and Hydrochloric Acid Hydrolysis
- Publication Date
- February 27, 2014
- Journal
- PLOS ONE
- Authors
- Benxi Wei, Xueming Xu, Zhengyu Jin & Yaoqi Tian
- Volume
- 9
- Issue
- 2
- Pages
- e86024
- DOI
- https://dx.plos.org/10.1371/journal.pone.0086024
- Publisher URL
- http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0086024
- PubMed
- http://www.ncbi.nlm.nih.gov/pubmed/24586246
- PubMed Central
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3937268
- Europe PMC
- http://europepmc.org/abstract/MED/24586246
- Web of Science
- 000332390800001
- Scopus
- 84896108007
- Mendeley
- http://www.mendeley.com/research/surface-chemical-compositions-dispersity-starch-nanocrystals-formed-sulfuric-hydrochloric-acid-hydro
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Mendeley | Further Information
{"title"=>"Surface chemical compositions and dispersity of starch nanocrystals formed by sulfuric and hydrochloric acid hydrolysis", "type"=>"journal", "authors"=>[{"first_name"=>"Benxi", "last_name"=>"Wei", "scopus_author_id"=>"48663102000"}, {"first_name"=>"Xueming", "last_name"=>"Xu", "scopus_author_id"=>"7405292900"}, {"first_name"=>"Zhengyu", "last_name"=>"Jin", "scopus_author_id"=>"35276969500"}, {"first_name"=>"Yaoqi", "last_name"=>"Tian", "scopus_author_id"=>"25655653600"}], "year"=>2014, "source"=>"PLoS ONE", "identifiers"=>{"pui"=>"372609691", "scopus"=>"2-s2.0-84896108007", "pmid"=>"24586246", "sgr"=>"84896108007", "issn"=>"19326203", "doi"=>"10.1371/journal.pone.0086024"}, "id"=>"1548dc5b-fce7-3f9d-8d2d-1bbec4060ea2", "abstract"=>"Surface chemical compositions of starch nanocrystals (SNC) prepared using sulfuric acid (H2SO4) and hydrochloric acid (HCl) hydrolysis were analyzed by X-ray photoelectron spectroscopy (XPS) and FT-IR. The results showed that carboxyl groups and sulfate esters were presented in SNC after hydrolysis with H2SO4, while no sulfate esters were detected in SNC during HCl-hydrolysis. TEM results showed that, compared to H2SO4-hydrolyzed sample, a wider size distribution of SNC prepared by HCl-hydrolysis were observed. Zeta-potentials were -23.1 and -5.02 mV for H2SO4- and HCl-hydrolyzed SNC suspensions at pH 6.5, respectively. Nevertheless, the zeta-potential values decreased to -32.3 and -10.2 mV as the dispersion pH was adjusted to 10.6. After placed 48 h at pH 10.6, zeta-potential increased to -24.1 mV for H2SO4-hydrolyzed SNC, while no change was detected for HCl-hydrolyzed one. The higher zeta-potential and relative small particle distribution of SNC caused more stable suspensions compared to HCl-hydrolyzed sample.", "link"=>"http://www.mendeley.com/research/surface-chemical-compositions-dispersity-starch-nanocrystals-formed-sulfuric-hydrochloric-acid-hydro", "reader_count"=>15, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Researcher"=>2, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>4, "Student > Postgraduate"=>2, "Student > Master"=>2, "Other"=>1, "Student > Bachelor"=>1, "Lecturer"=>1}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Researcher"=>2, "Student > Doctoral Student"=>1, "Student > Ph. D. Student"=>4, "Student > Postgraduate"=>2, "Student > Master"=>2, "Other"=>1, "Student > Bachelor"=>1, "Lecturer"=>1}, "reader_count_by_subject_area"=>{"Engineering"=>2, "Unspecified"=>3, "Materials Science"=>1, "Agricultural and Biological Sciences"=>4, "Chemical Engineering"=>1, "Chemistry"=>4}, "reader_count_by_subdiscipline"=>{"Engineering"=>{"Engineering"=>2}, "Materials Science"=>{"Materials Science"=>1}, "Chemistry"=>{"Chemistry"=>4}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>4}, "Unspecified"=>{"Unspecified"=>3}, "Chemical Engineering"=>{"Chemical Engineering"=>1}}, "reader_count_by_country"=>{"Argentina"=>1, "Mexico"=>2}, "group_count"=>0}CrossRef
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Scopus | Further Information
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Relative Metric
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