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A vesicle-aggregation-assembly approach to highly ordered mesoporous γ-alumina microspheres with shifted double-diamond networks

Liu, Yang; Teng, Wei; Chen, Gang; Zhao, Zaiwang; Zhang, Wei; Kong, Biao; N. Hozzein, Wael; Abdulkareem Al-Khalaf, Areej; Deng, Yonghui; Zhao, Dongyuan

 ApplicationCharacterizationCustomer publicationsInorganic materialsMaterialPhase analysisPorous materialSAXSTechnique

A vesicle-aggregation-assembly approach to highly ordered mesoporous γ-alumina microspheres with shifted double-diamond networks

Liu, Yang; Teng, Wei; Chen, Gang; Zhao, Zaiwang; Zhang, Wei; Kong, Biao; N. Hozzein, Wael; Abdulkareem Al-Khalaf, Areej; Deng, Yonghui; Zhao, Dongyuan

Alumina materials have widely been used in industrial fields, such as catalysis and adsorption. However, due to the fast sol–gel process and complicated crystalline-phase transformation, the synthesis of alumina materials with both highly ordered mesostructures and crystallized frameworks remains a great challenge. Herein, we report a novel vesicle-aggregation-assembly strategy to…
Sticky ends in a self-assembling ABA triblock copolymer: the role of ureas in stimuli-responsive hydrogels

T. Shafranek, Ryan; D. Leger, Joel; Zhang, Song; Khalil, Munira; Gu, Xiaodan; Nelson, Alshakim

 (Natural) polymersApplicationCharacterizationCustomer publicationsMaterialPhase analysisPolymer researchSAXSTechnique

Sticky ends in a self-assembling ABA triblock copolymer: the role of ureas in stimuli-responsive hydrogels

T. Shafranek, Ryan; D. Leger, Joel; Zhang, Song; Khalil, Munira; Gu, Xiaodan; Nelson, Alshakim

Directing polymer self-assembly through noncovalent interactions is a powerful way to control the structure and function of nanoengineered materials. Dynamic hydrogen bonds are particularly useful for materials with structures that change over time or in response to specific stimuli. In the present work, we use the supramolecular association of urea…
Unique Isodimorphism of Poly(decamethylene succinate-ran-decamethylene fumarate): Large Pseudoeutectic Region and Fantastic Crystallization/Melting Behavior

Ye, Hai-Mu; Wang, Jing; Wang, Cai-Shui; Li, Hong-Fang

 (Natural) polymersApplicationCharacterizationCustomer publicationsFractal dimensionMaterialPhase analysisPolymer researchSAXSTechniqueTemperature

Unique Isodimorphism of Poly(decamethylene succinate-ran-decamethylene fumarate): Large Pseudoeutectic Region and Fantastic Crystallization/Melting Behavior

Ye, Hai-Mu; Wang, Jing; Wang, Cai-Shui; Li, Hong-Fang

Poly(decamethylene succinate-ran-decamethylene fumarate)s (PDSFs) were synthesized, and their structure and crystallization behavior were systematically studied. All polyesters possess high crystallizability irrespective of composition and display the widest pseudoeutectic region that has been reported to date. Nevertheless, both melting point– and crystallization temperature–composition…
High Performance Thermoplastic Elastomers with Biomass Lignin as Plastic Phase

Huang, Jinhao; Liu, Weifeng; Qiu, Xueqing

 (Natural) polymersApplicationCharacterizationCompositesCustomer publicationsFractal dimensionMaterialPhase analysisPolymer researchSAXSTechnique

High Performance Thermoplastic Elastomers with Biomass Lignin as Plastic Phase

Huang, Jinhao; Liu, Weifeng; Qiu, Xueqing

For the first time, the coordination-based energy sacrificial bonds have been constructed in the interface between lignin and polyolefin elastomer for preparing a new class of high performance thermoplastic elastomers (TPEs) with biomass lignin as the hard plastic phase. The coordination bonds not only promoted the dispersion of lignin, but…
Liquid crystalline side-chain triblock copolymers consisting of a nematic central subblock edged by photochromic azobenzene-containing fragments: their synthesis, structure and photooptical behaviour

Boiko, N. I.; Bugakov, M. A.; Chernikova, E. V.; Piryazev, A. A.; Odarchenko, Ya I.; Ivanov, D. A.; Shibaev, V. P.

 (Natural) polymersApplicationCharacterizationCustomer publicationsMaterialPhase analysisPolymer researchSAXSTechniqueWAXS

Liquid crystalline side-chain triblock copolymers consisting of a nematic central subblock edged by photochromic azobenzene-containing fragments: their synthesis, structure and photooptical behaviour

Boiko, N. I.; Bugakov, M. A.; Chernikova, E. V.; Piryazev, A. A.; Odarchenko, Ya I.; Ivanov, D. A.; Shibaev, V. P.

For the first time, symmetrical photosensitive fully liquid crystalline side chain triblock copolymers (pAzo-b-pPhM-b-pAzo) and random copolymers (pAzo-ran-pPhM) with nematogenic phenyl benzoate (PhM) and photosensitive smectogenic azobenzene containing groups (Azo) were synthesized by the combination of RAFT polymerization and subsequent chemical modification. The central block of synthesized…
Molecular architecture of the Jumonji C family histone demethylase KDM5B

Jerzy Dorosz, Line Hyltoft Kristensen, Nanda G. Aduri, Osman Mirza, Rikke Lousen, Saskia Bucciarelli, Ved Mehta, Selene Sellés-Baiget, Sara Marie Øie Solbak, Anders Bach, Pablo Mesa, Pablo Alcon Hernandez, Guillermo Montoya, Tam T. T. N. Nguyen, Kasper D. Rand, Thomas Boesen & Michael Gajhede

 Customer publicationsParticle size and size distributionProteins & DNA/RNASAXSShapeStructural biology

Molecular architecture of the Jumonji C family histone demethylase KDM5B

Jerzy Dorosz, Line Hyltoft Kristensen, Nanda G. Aduri, Osman Mirza, Rikke Lousen, Saskia Bucciarelli, Ved Mehta, Selene Sellés-Baiget, Sara Marie Øie Solbak, Anders Bach, Pablo Mesa, Pablo Alcon Hernandez, Guillermo Montoya, Tam T. T. N. Nguyen, Kasper D. Rand, Thomas Boesen & Michael Gajhede

The full length human histone 3 lysine 4 demethylase KDM5B (PLU-1/Jarid1B) has been studied using Hydrogen/Deuterium exchange mass spectrometry, homology modelling, sequence analysis, small angle X-ray scattering and electron microscopy ...
Size-exclusion chromatography small-angle X-ray scattering of water soluble proteins on a laboratory instrument

S. Bucciarelli, S. R. Midtgaard, M. Nors Pedersen, S. Skou, L. Arleth and B. Vestergaard

 Customer publicationsParticle size and size distributionProteins & DNA/RNASAXSShapeStructural biology

Size-exclusion chromatography small-angle X-ray scattering of water soluble proteins on a laboratory instrument

S. Bucciarelli, S. R. Midtgaard, M. Nors Pedersen, S. Skou, L. Arleth and B. Vestergaard

Coupling of size-exclusion chromatography with biological solution small-angle X-ray scattering (SEC-SAXS) on dedicated synchrotron beamlines enables structural analysis of challenging samples such as labile proteins and low-affinity complexes...
Anomalies in the low frequency vibrational density of states for a polymer with intrinsic microporosity – the Boson peak of PIM-1

Zorn, Reiner; Yin, Huajie; Lohstroh, Wiebke; Harrison, Wayne; Budd, Peter M.; Pauw, Brian R.; Böhning, Martin; Schönhals, Andreas

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsFractal dimensionMaterialPolymer researchSAXSTechniqueWAXS

Anomalies in the low frequency vibrational density of states for a polymer with intrinsic microporosity – the Boson peak of PIM-1

Zorn, Reiner; Yin, Huajie; Lohstroh, Wiebke; Harrison, Wayne; Budd, Peter M.; Pauw, Brian R.; Böhning, Martin; Schönhals, Andreas

Polymers with intrinsic microporosity are promising candidates for the active separation layer in gas separation membranes. Here, the vibrational density of states (VDOS) for PIM-1, the prototypical polymer with intrinsic microporosity, is investigated by means of inelastic neutron scattering. The results are compared to data measured for a more conventional…
Cavitation in Poly(4-methyl-1-pentene) during Tensile Deformation

Chen, Ran; Lu, Ying; Jiang, Zhiyong; Men, Yongfeng

 (Natural) polymersApplicationCharacterizationCustomer publicationsMaterialOrientation analysisPolymer researchSAXSTechniqueTemperatureTensileUSAXS

Cavitation in Poly(4-methyl-1-pentene) during Tensile Deformation

Chen, Ran; Lu, Ying; Jiang, Zhiyong; Men, Yongfeng

The poly(4-methyl-1-pentene) sample was used to investigate the cavitation-induced stress-whitening phenomenon during stretching at different temperatures via the ultrasmall-angle X-ray scattering technique. Two modes of cavitation were found that mode I cavitation activated around yield point followed by mode II cavitation generated in highly oriented state. The critical strain for…
Determination of the packing model of a supramolecular nanofiber via mass-per-length measurement and de novo simulation

Yao, Qingxin; Bao, Qiang; Li, Xinming; Wang, Hui; Yang, Zhenyu; Shi, Xinghua; Gao, Yuan; Xu, Bing

 Characteristic dimensionCustomer publicationsFibersOtherSAXSWAXS

Determination of the packing model of a supramolecular nanofiber via mass-per-length measurement and de novo simulation

Yao, Qingxin; Bao, Qiang; Li, Xinming; Wang, Hui; Yang, Zhenyu; Shi, Xinghua; Gao, Yuan; Xu, Bing

Herein, we report an example of using scanning transmission electron microscopy to determine the mass-per-length of supramolecular nanofibers. Together with the measurement of the diameter of nanofibers via transmission electron microscopy, we could estimate the packing density of assembling molecules along the nanofibers. A parallel unbiased de novo simulation screens…
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