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Twisted Ribbon Aggregates in a Model Peptide System

Rüter, Axel; Kuczera, Stefan; Pochan, Darrin J.; Olsson, Ulf

ApplicationCharacterizationCustomer publicationsMaterialOtherParticle interactionsProteins & DNA/RNASAXSSelf-assembled materialShapeSizeStructural biologyTechnique

Twisted Ribbon Aggregates in a Model Peptide System

Rüter, Axel; Kuczera, Stefan; Pochan, Darrin J.; Olsson, Ulf

The model peptides A8K and A10K self-assemble in water into ca. 100 nm long ribbon-like aggregates. These structures can be described as ?-sheets laminated into a ribbon structure with a constant elliptical cross-section of 4 by 8 nm, where the longer axis corresponds to a finite number, N ? 15,…
Structure Evolution of Polyethylene in Sequential Biaxial Stretching along the First Tensile Direction

Chen, Qiang; Chen, Dandan; Kang, Jian; Cao, Ya; Chen, Jinyao

(Natural) polymersApplicationCharacterizationCrystalline fractionCustomer publicationsMaterialOrientation analysisOtherPhase analysisPolymer researchSAXSTechnique

Structure Evolution of Polyethylene in Sequential Biaxial Stretching along the First Tensile Direction

Chen, Qiang; Chen, Dandan; Kang, Jian; Cao, Ya; Chen, Jinyao

Two linear low-density polyethylene samples (PE-A and PE-B), with similar melt index and molecular weight but different molecular structures, were used to explore the structural evolution during sequential biaxial stretching. Only PE-A could be successfully stretched into a film with the biaxial draw ratio of 6 × 6. The interlamellae…
Clustering-Triggered Emission and Persistent Room Temperature Phosphorescence of Sodium Alginate

Dou, Xueyu; Zhou, Qing; Chen, Xiaohong; Tan, Yeqiang; He, Xin; Lu, Ping; Sui, Kunyan; Tang, Ben Zhong; Zhang, Yongming; Yuan, Wang Zhang

(Natural) polymersApplicationCharacterizationCustomer publicationsGIWAXSMaterialOtherPolymer researchTechnique

Clustering-Triggered Emission and Persistent Room Temperature Phosphorescence of Sodium Alginate

Dou, Xueyu; Zhou, Qing; Chen, Xiaohong; Tan, Yeqiang; He, Xin; Lu, Ping; Sui, Kunyan; Tang, Ben Zhong; Zhang, Yongming; Yuan, Wang Zhang

Nonconventional biomacromolecular luminogens have attracted extensive interest due to their fundamental importance and potential applications in diverse areas. To explore novel luminogens and, moreover, to gain deeper insights into their emission mechanism, we study the emission behaviors of sodium alginate (SA), a natural anionic polysaccharide composed of mannuronic (M) and…