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Crystal Chemistry and SAXS Studies of an Octahedral Polyoxoarsenotungstate Nanocluster Encapsulating Four Unprecedented Thorium Arsenate Fragments (Th3As2On – n = 25 or 26)

Dufaye, Maxime; Duval, Sylvain; Stoclet, Grégory; Loiseau, Thierry

 ApplicationCharacteristic dimensionCharacterizationCustomer publicationsFractal dimensionMaterialPhase analysisPorous materialSAXSStructural biologyTechnique

Crystal Chemistry and SAXS Studies of an Octahedral Polyoxoarsenotungstate Nanocluster Encapsulating Four Unprecedented Thorium Arsenate Fragments (Th3As2On – n = 25 or 26)

Dufaye, Maxime; Duval, Sylvain; Stoclet, Grégory; Loiseau, Thierry

The reaction of 8– with the 5f tetravalent thorium cation in presence of an acetate buffer and KCl at pH = 4.7 gives rise to the formation of an octahedral polyoxoarsenotungstate nanocluster 38–. This molecule is constructed around four unprecedented Th3As2On (n = 25 or 26) fragments stabilized by the…
Ibuprofen loading into mesoporous silica nanoparticles using Co-Spray drying: A multi-scale study

Ruffel, Lucas; Soulié, Jérémy; Coppel, Yannick; Roblin, Pierre; Brouillet, Fabien; Frances, Christine; Tourbin, Mallorie

 ApplicationCharacterizationCustomer publicationsInorganic materialInorganic materialsMaterialOtherSAXSTechnique

Ibuprofen loading into mesoporous silica nanoparticles using Co-Spray drying: A multi-scale study

Ruffel, Lucas; Soulié, Jérémy; Coppel, Yannick; Roblin, Pierre; Brouillet, Fabien; Frances, Christine; Tourbin, Mallorie

Mesoporous Silica Nanoparticles (MSN) are used in an increasing number of applications in nanomedicine. Their synthesis and external/internal functionalization have been extensively studied as well as their biological properties. Nevertheless, the conventional drug loading processes of MSN (such as impregnation), do not enable sufficient efficiency and are difficult to consider…
Microwave-Assisted Synthesis of Ultrasmall Zinc Oxide Nanoparticles

Saloga, Patrick E. J.; Thünemann, Andreas F.

 ApplicationCharacterizationCustomer publicationsMaterialNanoparticles & colloidsParticlesPore size and pore size distributionTechniqueWAXS

Microwave-Assisted Synthesis of Ultrasmall Zinc Oxide Nanoparticles

Saloga, Patrick E. J.; Thünemann, Andreas F.

We report on ultrasmall zinc oxide single-crystalline nanoparticles of narrow size distribution and long-term colloidal stability. These oleate-stabilized nanoparticles were synthesized using microwave-assisted synthesis for 5 min, corresponding to a 99% decrease in synthesis time, when compared to the conventional synthesis method. It was observed that the average particle radius…
In-Depth Study of Coating Multimodal Porosity Using Ellipsometry Porosimetry in Desorption Scanning Mode

Loizillon, Jérôme; Baumgartner, Bettina; Sinturel, Christophe; Abbarchi, Marco; Lendl, Bernhard; Grosso, David

 ApplicationCharacteristic dimensionCharacterizationCustomer publicationsGISAXSMaterialOrientation analysisOtherOtherPorous materialSurface structure and patternsTechnique

In-Depth Study of Coating Multimodal Porosity Using Ellipsometry Porosimetry in Desorption Scanning Mode

Loizillon, Jérôme; Baumgartner, Bettina; Sinturel, Christophe; Abbarchi, Marco; Lendl, Bernhard; Grosso, David

Ellipsometry porosimetry provides full adsorption/desorption isotherms and is among the most accurate techniques to probe porosity in thin films. Here we address a novel technique based on desorption scanning for a precise assessment of the porosity features revealing the size distribution of interconnections between the various populations of pores in…
Fine Multi-Phase Alignments in 2D Perovskite Solar Cells with Efficiency over 17% via Slow Post-Annealing

Wu, Guangbao; Li, Xing; Zhou, Jiyu; Zhang, Jianqi; Zhang, Xuning; Leng, Xuanye; Wang, Peijun; Chen, Ming; Zhang, Dongyang; Zhao, Kui; Liu, Shengzhong (Frank); Zhou, Huiqiong; Zhang, Yuan

 ApplicationCharacterizationCustomer publicationsGIWAXSInorganic materialMaterialOrientation analysisOtherRenewable energySurface structure and patternsTechniqueThin films

Fine Multi-Phase Alignments in 2D Perovskite Solar Cells with Efficiency over 17% via Slow Post-Annealing

Wu, Guangbao; Li, Xing; Zhou, Jiyu; Zhang, Jianqi; Zhang, Xuning; Leng, Xuanye; Wang, Peijun; Chen, Ming; Zhang, Dongyang; Zhao, Kui; Liu, Shengzhong (Frank); Zhou, Huiqiong; Zhang, Yuan

Layered Ruddlesden–Popper (RP) phase (2D) halide perovskites have attracted tremendous attention due to the wide tunability on their optoelectronic properties and excellent robustness in photovoltaic devices. However, charge extraction/transport and ultimate power conversion efficiency (PCE) in 2D perovskite solar cells (PSCs) are still limited by the non-eliminable quantum well effect.…
Lignin@Nafion Membranes Forming Zn Solid–Electrolyte Interfaces Enhance the Cycle Life for Rechargeable Zinc-Ion Batteries

Yuan, Du; Manalastas, William; Zhang, Liping; Chan, Jun Jie; Meng, Shizhe; Chen, Yingqian; Srinivasan, Madhavi

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialRenewable energySAXSTechniqueThin films

Lignin@Nafion Membranes Forming Zn Solid–Electrolyte Interfaces Enhance the Cycle Life for Rechargeable Zinc-Ion Batteries

Yuan, Du; Manalastas, William; Zhang, Liping; Chan, Jun Jie; Meng, Shizhe; Chen, Yingqian; Srinivasan, Madhavi

Metallic zinc is an ideal anode material for rechargeable zinc-ion batteries (ZIBs), taking us beyond the lithium-ion era. In-depth understanding of the Zn metal surface is currently required owing to diverse but uncorrelated data about the Zn surface in mild environments. Herein, the surface chemistry of Zn is elucidated and…
Preparation, Structure, and Properties of an Isotactic Polypropylene Film with Ultrahigh Content, Ordered, and Continuous ?-Transcrystallinity

Liang, Guixue; Yang, Shuo; Li, Jiang; Guo, Shaoyun

 (Natural) polymersApplicationCharacterizationCustomer publicationsMaterialOrientation analysisPolymer researchSAXSTechniqueTensile

Preparation, Structure, and Properties of an Isotactic Polypropylene Film with Ultrahigh Content, Ordered, and Continuous ?-Transcrystallinity

Liang, Guixue; Yang, Shuo; Li, Jiang; Guo, Shaoyun

?-Transcrystallinity (?-TC) of polypropylene (PP) is a novel kind of crystal that is of significant importance. Owing to the low content, discontinuity, and random distribution of ?-TC obtained by traditional methods, there has not been significant research on this particular crystal. Thus, its formation mechanism and growth law remain unclear…
Antigenic and physicochemical characterization of Hepatitis B surface protein under extreme temperature and pH conditions

Lopes, J. L. S.; Oliveira, D. C. A.; Utescher, C. L. A.; Quintilio, W.; Tenório, E. C. N.; Oliveira, C. L. P.; Fantini, M. C. A.; Rasmussen, M. K.; Bordallo, H. N.; Sant’Anna, O. A.; Botosso, V. F.

 ApplicationCharacterizationCustomer publicationsMaterialOtherProteins & DNA/RNASAXSShapeSizeStructural biologyTechnique

Antigenic and physicochemical characterization of Hepatitis B surface protein under extreme temperature and pH conditions

Lopes, J. L. S.; Oliveira, D. C. A.; Utescher, C. L. A.; Quintilio, W.; Tenório, E. C. N.; Oliveira, C. L. P.; Fantini, M. C. A.; Rasmussen, M. K.; Bordallo, H. N.; Sant’Anna, O. A.; Botosso, V. F.

Hepatitis B virus causes acute and chronic infections in millions of people worldwide and, since 1982, a vaccine with 95% effectiveness has been available for immunization. The main component of the recombinant hepatitis B vaccine is the surface antigen protein (HBsAg). In this work, the effect of pH, ionic strength…
Moebius strips of chiral block copolymers

Geng, Zhen; Xiong, Bijin; Wang, Liquan; Wang, Ke; Ren, Min; Zhang, Lianbin; Zhu, Jintao; Yang, Zhenzhong

 (Natural) polymersApplicationCharacteristic dimensionCharacterizationCustomer publicationsMaterialPolymer researchSelf-assembled materialTechniqueWAXS

Moebius strips of chiral block copolymers

Geng, Zhen; Xiong, Bijin; Wang, Liquan; Wang, Ke; Ren, Min; Zhang, Lianbin; Zhu, Jintao; Yang, Zhenzhong

The Moebius topology (twisted, single-sided strip) is intriguing because of its structural elegance and distinct properties. Here we report the generation of block copolymer Moebius strips via a fast self-assembly of chiral block copolymer polystyrene-block-poly(D-lactide acid) (PS-b-PDLA) in tetrahydrofuran/water mixed solvents. The Moebius strip is formed by morphological evolution from…
Rapid Stabilization of Immiscible Fluids using Nanostructured Interfaces via Surfactant Association

Niroobakhsh, Zahra; LaNasa, Jacob A.; Belmonte, Andrew; Hickey, Robert J.

 ApplicationCharacterizationCosmetics & consumer careCustomer publicationsMaterialOil & gasPhase analysisSAXSSurfactantsTechnique

Rapid Stabilization of Immiscible Fluids using Nanostructured Interfaces via Surfactant Association

Niroobakhsh, Zahra; LaNasa, Jacob A.; Belmonte, Andrew; Hickey, Robert J.

Surfactant molecules have been extensively used as emulsifying agents to stabilize immiscible fluids. Droplet stability has been shown to be increased when ordered nanoscale phases form at the interface of the two fluids due to surfactant association. Here, we report on using mixtures of a cationic surfactant and long chained…
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