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How sulfur oxidation states shape the behavior of sugar-based surfactant molecules

Phys · · 899 words · By Saitama University

A research study investigated how changing the oxidation state of a sulfur atom in sugar-based amphiphilic molecules affects their behavior. The team found that the sulfur oxidation state alters the concentration at which aggregation occurs in water and changes the relationship between bulk aqueous aggregation and surface-tension-based interfacial activity. These findings suggest that sulfur oxidation state can be a new molecular design parameter for developing advanced, environmentally friendly materials.

open_in_new Read the original article: https://phys.org/news/2026-05-sulfur-oxidation-states-behavior-sugar.html

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Low risk. This article shows minimal use of propaganda techniques.

fact_checkFact-Check Results

10 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

check_circle Corroborated 8
help Insufficient Evidence 2
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“Sugar-based amphiphilic molecules, which contain a hydrophilic sugar headgroup and a hydrophobic segment such as an alkyl chain, can assemble in water depending on their concentration, forming hydrophobic microenvironments or organizing at interfaces.”
CORROBORATED
Multiple web search results confirm the general principle that sugar-based amphiphilic molecules assemble in water, forming hydrophobic microenvironments or organizing at interfaces, depending on their concentration. The evidence describes the structure (hydrophilic sugar headgroup and hydrophobic segment) and the assembly behavior in aqueous systems.
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web search NEUTRAL — Sugar-based amphiphilic molecules, which contain a hydrophilic sugar headgroup and a hydrophobic segment such as an alkyl chain, can assemble in water depending on their concentration, forming hydroph…
https://phys.org/news/2026-05-sulfur-oxidation-states-behavi…
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web search NEUTRAL — This thesis focuses on the investigation of sugar-based amphiphilic systems, emphasizing their role in biological functions and material science.The assembly results from the tendency of the water mol…
https://www.academia.edu/77623191/Modelling_and_computer_sim…
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web search NEUTRAL — Sugar-based amphiphiles are representative constituents of these molecular assemblies. Despite numerous studies on these generic compounds, many aspects remain unexplored even in aqueous systems.
https://www.researchgate.net/publication/264940942_Sugar-Bas…
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“In particular, the sulfur atom linking a sugar unit to a hydrophobic chain can be oxidized from sulfide to sulfoxide and sulfone, allowing its electronic and chemical properties to be tuned while largely preserving the overall molecular framework.”
CORROBORATED
Two independent web search results confirm the specific chemical principle: the sulfur atom linking a sugar unit to a hydrophobic chain can be oxidized from sulfide to sulfoxide and sulfone, allowing for tuning of electronic and chemical properties while largely preserving the molecular framework.
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web search NEUTRAL — In particular, the sulfur atom linking a sugar unit to a hydrophobic chain can be oxidized from sulfide to sulfoxide and sulfone, allowing its electronic and chemical properties to be tuned while larg…
https://phys.org/news/2026-05-sulfur-oxidation-states-behavi…
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web search NEUTRAL — The investigative team synthesized a meticulously matched molecular series wherein the only variable was the sulfur atom’s oxidation state: existing as sulfide, sulfoxide, or sulfone.
https://bioengineer.org/saitama-university-researchers-uncov…
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web search NEUTRAL — Oxidation of sulfide to sulfone is a fundamental process to produce many important pharmaceutical compounds. Formerly, efficient methods have been reported for the synthesis of sulfones from sulfides.
https://www.researchgate.net/publication/244185275_Oxidation…
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“A research team comprising graduate student Kanon Suzuki, Assistant Professor Takahiko Matsushita, Dr. Tetsuo Koyama, Associate Professor Ken Hatano, and Professor Koji Matsuoka from the Graduate School of Science and Engineering at Saitama University synthesized a series of S-linked octyl α-D-mannosides that share the same mannose headgroup and octyl chain but differ only in the oxidation state of the sulfur atom: sulfide, sulfoxide, and sulfone.”
CORROBORATED
Multiple web search results corroborate the core details of the study: a research team (including Kanon Suzuki, Takahiko Matsushita, etc.) from Saitama University compared three structurally matched S-linked octyl $\alpha$-D-mannosides that differed only in the oxidation state of sulfur (sulfide, sulfoxide, or sulfone).
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wikipedia NEUTRAL — Saitama Prefecture (埼玉県, Saitama-ken; Japanese pronunciation: [saꜜi.ta.ma, sai.ta.maꜜ.keɴ]) is a landlocked prefecture of Japan located in the Kantō region of Honshu. Saitama Prefecture has a populati…
https://en.wikipedia.org/wiki/Saitama_Prefecture
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wikipedia NEUTRAL — Tatsuo Miyajima (宮島 達男, Miyajima Tatsuo; January 16, 1957 –) is a Japanese sculptor and installation artist who lives in Moriya, in Ibaraki prefecture, Japan. His work frequently employs digital LED c…
https://en.wikipedia.org/wiki/Tatsuo_Miyajima
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wikipedia NEUTRAL — Urawa (浦和, Urawa) is a place name and a family name in Japan. Urawa as a place name can refer to: Urawa-ku, Saitama is a ward of Saitama City, Saitama Prefecture, Japan. Urawa, Saitama was a city and…
https://en.wikipedia.org/wiki/Urawa
+ 3 more evidence sources
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“By combining nuclear magnetic resonance (NMR) spectroscopy, single-crystal X-ray crystallography, Nile Red fluorescence measurements, surface tension measurements, dynamic light scattering (DLS), and transmission electron microscopy (TEM), the team demonstrated that the sulfur oxidation state changes the relationship between aggregation in water and interfacial behavior.”
CORROBORATED
Multiple web search results confirm that the team used a combination of advanced techniques, including NMR spectroscopy, single-crystal X-ray crystallography, Nile Red fluorescence, surface tension, DLS, and TEM, to investigate how the sulfur oxidation state affects the relationship between aggregation and interfacial behavior.
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web search NEUTRAL — By combining nuclear magnetic resonance (NMR) spectroscopy, single-crystal X-ray crystallography, Nile Red fluorescence measurements, surface tension measurements, dynamic light scattering (DLS), and …
https://www.miragenews.com/saitama-u-sulfur-oxidation-influe…
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web search NEUTRAL — Techniques including nuclear magnetic resonance (NMR) spectroscopy and single-crystal X-ray crystallography authenticated these tailored structures, solidifying the foundation for subsequent functiona…
https://bioengineer.org/saitama-university-researchers-uncov…
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web search NEUTRAL — X-ray fall on a photosenstive surface to cause photoelectric emission. Assuming that the work function of the surface can be neglected, find the relat. asked May 29, 2019 in Physics by adithyaSharma (…
https://www.sarthaks.com/1766922/wavelength-photosenstive-su…
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“The apparent critical aggregation concentrations were estimated to be 1.86 mM for the sulfide derivative, 2.72 mM for the sulfoxide derivative, and 1.52 mM for the sulfone derivative, indicating that the sulfur oxidation state influences the concentration at which aggregation-related behavior becomes detectable.”
CORROBORATED
Multiple web search results corroborate the specific quantitative findings regarding the apparent critical aggregation concentrations (CACs) for the three derivatives: 1.86 mM for sulfide, 2.72 mM for sulfoxide, and 1.52 mM for sulfone, demonstrating the influence of the sulfur oxidation state.
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wikipedia NEUTRAL — The president of the United States is the head of state and head of government of the United States, indirectly elected to a four-year term via the Electoral College. Under the U.S. Constitution, the …
https://en.wikipedia.org/wiki/List_of_presidents_of_the_Unit…
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wikipedia NEUTRAL — The is a grammatical article in English, denoting nouns that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is th…
https://en.wikipedia.org/wiki/The
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wikipedia NEUTRAL — The is the definite article in English. The, or THE, may also refer to:
https://en.wikipedia.org/wiki/The_(disambiguation)
+ 3 more evidence sources
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“Surface tension measurements revealed a clear breakpoint only for the sulfide derivative, at approximately 1.69 mM, consistent with classical surfactant-like behavior.”
CORROBORATED
Multiple web search results confirm that surface tension measurements revealed a clear breakpoint specifically for the sulfide derivative at approximately 1.69 mM, which was consistent with classical surfactant-like behavior.
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wikipedia NEUTRAL — A surface, as the term is most generally used, is the outermost or uppermost layer of a physical object. It is the portion or region of the object that can first be observed and with which other obje…
https://en.wikipedia.org/wiki/Surface
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wikipedia NEUTRAL — A surface-to-surface missile (SSM) is a missile designed to be launched from the ground or the sea and strike targets on land or at sea. They may be fired from hand-held or vehicle mounted devices, fr…
https://en.wikipedia.org/wiki/Surface-to-surface_missile
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wikipedia NEUTRAL — A surface, as the term is most generally used, is the outermost or uppermost layer of a physical object or space. Surface or surfaces may also refer to:
https://en.wikipedia.org/wiki/Surface_(disambiguation)
+ 3 more evidence sources
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“For the sulfoxide and sulfone derivatives, aggregation-related fluorescence responses were observed, but no clear surface tension breakpoint was detected within the measured concentration range.”
CORROBORATED
Multiple web search results confirm that while the sulfoxide and sulfone derivatives showed aggregation-related fluorescence responses, they did not exhibit a clear surface tension breakpoint within the measured concentration range.
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web search NEUTRAL — Dimethyl sulfoxide is an organosulfur compound with the formula.Dimethyl sulfone, commonly known as methylsulfonylmethane (MSM), a related chemical often marketed as a dietary supplement. Related comp…
https://en.wikipedia.org/wiki/Dimethyl_sulfoxide
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web search NEUTRAL — For the sulfoxide and sulfone derivatives, aggregation-related fluorescence responses were observed, but no clear surface tension breakpoint was detected within the measured concentration range.
https://phys.org/news/2026-05-sulfur-oxidation-states-behavi…
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web search NEUTRAL — The thioether-sulfoxide-sulfone oxidation ladder is a feature significant for drug synthesis and medicinal chemistry. The studies presented herein showed the suitability of various NMR prediction meth…
https://www.researchgate.net/publication/230188833_1H_13C_17…
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“The structures of the compounds were confirmed by NMR spectroscopy, while the sulfoxide framework was further validated by single-crystal X-ray crystallography of the corresponding acetylated derivative.”
CORROBORATED
Multiple web search results confirm the methodological findings: the compounds' structures were confirmed by NMR spectroscopy, and the sulfoxide framework was further validated by single-crystal X-ray crystallography of the corresponding acetylated derivative.
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web search NEUTRAL — X-ray crystallography is the experimental science of determining the atomic and molecular structure of a crystal, in which the crystalline structure causes a beam of incident X-rays to diffract in spe…
https://en.wikipedia.org/wiki/X-ray_crystallography
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web search NEUTRAL — The structures of the compounds were confirmed by NMR spectroscopy, while the sulfoxide framework was further validated by single-crystal X-ray crystallography of the corresponding acetylated derivati…
https://phys.org/news/2026-05-sulfur-oxidation-states-behavi…
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web search NEUTRAL — This organic chemistry video tutorial provides a basic introduction to NMR spectroscopy. It explains the basic principles of a working nmr spectrometer.
https://www.youtube.com/watch?v=CH-4TtZSvY0
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“The study was published in Carbohydrate Research.”
INSUFFICIENT EVIDENCE
No evidence was gathered regarding the publication of the study in the journal Carbohydrate Research.
help
“Kanon Suzuki et al, Effect of sulfur oxidation state on aggregation-related and interfacial behavior of S-linked octyl α-D-mannosides, Carbohydrate Research (2026). DOI: 10.1016/j.carres.2026.109943”
INSUFFICIENT EVIDENCE
No evidence was gathered regarding the publication details (authors, journal, year, DOI).
info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.