Explanipedia

Heterogeneous Decoration of Ionic Mesopores by Ionic and Poly(Ionic) Liquids Open

Anne-Caroline Genix, Shilpa Sharma, Cansu Akkaya, Johan G. Alauzun, Joachim Kohlbrecher , et al. · 2025

Understanding the molecular structure of mesoporous solid ionic systems is essential for optimizing their macroscopic properties, such as enhanced ionic transport for energy applications and improved mechanical flexibility. These systems c…

From sugarcane bagasse pulp into electroactive materials: Carboxymethyl cellulose/reduced graphene oxide/nickel oxide composites as high-performance supercapacitor components Open

Mohamed A. Abdel-Fadeel, Sherief A. Al Kiey, Peter Hesemann, Ahmad Mehdi, Samir Kamel , et al. · 2025

We report bio-sourced electrically conductive materials derived from sugarcane bagasse cellulose. First, the cellulose was chemically transformed into carboxymethyl cellulose (CMC). Acrylamide (AM) and 2-acrylamido-2-methyl-1-propanesulfon…

Guanylated chitosan derivatives for the adsorption of anionic dyes: Performance and mechanism Open

Ahmed Salama, Peter Hesemann · 2025

Enhanced optical fiber fabrication via the MCVD process incorporating pre-synthesized ZrO2 nanoparticles Open

Lilia Sennoun, Ileana Florea, François Orange, Michèle Ude, Peter Hesemann , et al. · 2025

Potential application of oxidized cellulose/alginate loaded hydroxyapatite/graphene oxide beads in bone tissue engineering Open

Sawsan Dacrory, Lamiaa M. A. Ali, Safia Ouahrani-Bettache, Morgane Daurat, Mohamed El‐Sakhawy , et al. · 2025

Electrocatalytic reduction of carbon dioxide using Cu-based ecocatalysts Open

Hong Phong Duong, Ngoc‐Huan Tran, Pierre‐Alexandre Deyris, Yves‐Marie Legrand, Peter Hesemann , et al. · 2025

Cu-based ecocatalyst for CO 2 electroreduction.

Titania on Silica: A Case Study for Cyclohexene Epoxidation toward Flow Applications Open

Léa Gonçalves, Michele Scotto Di Perta, Karim Bouchmella, Johan G. Alauzun, Patrick Cognet , et al. · 2024

International audience

Efficient and sustainable tandem annulation-decarboxylation reaction using ecocatalysis Open

Laure Liénart, Yves‐Marie Legrand, Franck Pélissier, Philippe Gaveau, Peter Hesemann , et al. · 2024

International audience

Ionothermal Carbonization of Sugarcane Bagasse in 1-Alkyl-3-methylimidazolium Ionic Liquids: Insights into the Role of the Chloroferrate Anion Open

Soha Aldroubi, Amine Geneste, Pascale Guiffrey, Mohamed El‐Sakhawy, Samir Kamel , et al. · 2024

We report the ionothermal carbonization (ITC) of lignocellulosic biomass in imidazolium tetrachloroferrate ionic liquids (ILs) as an advantageous approach for the preparation of nanostructured carbonaceous materials, namely, ionochars. In …

Novel Antifouling Coatings by Zwitterionic Silica Grafting on Glass Substrates Open

Jian Zhang, Lamiaa M. A. Ali, Denis Durand, Magali Gary‐Bobo, Peter Hesemann · 2024

Zwitterionic silica coatings for surface functionalization are greatly prominent because of their simple and fast preparation, high availability, and effective antifouling properties. In this work, two zwitterionic sulfobetaine silane coat…

Controlled formation of multi-scale porosity in ionosilica templated by ionic liquid Open

Shilpa Sharma, Julian Oberdisse, Johan G. Alauzun, Philippe Dieudonné-George, Thomas Bizien , et al. · 2024

Synthesis of free-standing ionosilica films with controlled mesoporosity is described by a quantitative combination of sorption isotherms and SAXS.

Titanium dioxide functionalized silicon carbide phases as heterogeneous epoxidation catalysts Open

Léa Gonçalves, Olinda Gimello, Karim Bouchmella, Peter Hesemann, Johan G. Alauzun · 2024

We report silicon carbide (SiC) based epoxidation catalysts constituted of a silicon carbide core and a silica/titania (SiO 2 /TiO 2 ) shell.

Direct pseudomorphic transformation of silica from rice husk into organo-functionalized MCM-41 Open

Lilia Sennoun, C.G. Lee, Yohan Fretel, Margaux Clavié, Gilles Subra , et al. · 2024

Highly ordered bio-sourced MCM-41 functionalized with amide derivatives of amino acids (AA) was successfully synthesized and applied for protein separation.

Periodic mesoporous ionosilica nanoparticles for dual cancer therapy: Two-photon excitation siRNA gene silencing in cells and photodynamic therapy in zebrafish embryos Open

Braham Mezghrani, Lamiaa M. A. Ali, Nicolas Cubedo, Mireille Rossel, Peter Hesemann , et al. · 2023

Activated Carbon from Sugarcane Bagasse: A Low-Cost Approach towards Cr(VI) Removal from Wastewater Open

Rana Ahmed, Inga Block, Fabian Otte, Christina Günter, Alysson Duarte-Rodrigues , et al. · 2023

The potential of pretreated sugarcane bagasse (SCB) as a low-cost and renewable source to yield activated carbon (AC) for chromate CrO42− removal from an aqueous solution has been investigated. Raw sugarcane bagasse was pretreated with H2S…

Oxidized Cellulose Nanofibers Decorated with Magnetite as Efficient Bioadosrbent for Organic Dyes Open

Ahmed Salama, Ragab Abouzeid, Bénédicte Prélot, Mohamed A. Diab, Marwa Assaf , et al. · 2023

Wound Dressings Based on Sodium Alginate–Polyvinyl Alcohol–Moringa oleifera Extracts Open

Samir Kamel, Sawsan Dacrory, Peter Hesemann, Nadir Bettache, Lamiaa M. A. Ali , et al. · 2023

Biopolymers have significant pharmaceutical applications, and their blending has favorable characteristics for their pharmaceutical properties compared to the sole components. In this work, sodium alginate (SA) as a marine biopolymer was b…

Alternative approaches for the synthesis of nano silica particles and their hybrid composites: synthesis, properties, and applications Open

Loubna Bazzi, Peter Hesemann, S. Laassiri, Samir El Hankari · 2023

Periodic Mesoporous Ionosilica Nanoparticles for BODIPY Delivery and Photochemical Internalization of siRNA Open

Braham Mezghrani, Lamiaa M. A. Ali, Sara Jakimoska, Frédérique Cunin, Peter Hesemann , et al. · 2023

Periodic Mesoporous Ionosilica Nanoparticles (PMINPs) made via co‐condensation reactions starting from an ionosilica precursor and a porphyrin derivative were used for simultaneous BODIPY/siRNA delivery in cancer cells. We observed high BO…

Long-term stable solid concentrated graphene dispersion assisted by a highly aromatic ionic liquid Open

Soha Aldroubi, Éric Anglaret, Ibrahim Bou Malham, Peter Hesemann, Nicolas Brun , et al. · 2023

Ionothermal carbonization of sugarcane bagasse in imidazolium tetrachloroferrate ionic liquids: effect of the cation on textural and morphological properties Open

Soha Aldroubi, Mohamed A. El‐Sakhawy, Samir Kamel, Peter Hesemann, Ahmad Mehdi , et al. · 2023

We demonstrate the possibility to control both textural and morphological properties of ionochars through cation engineering for the ionothermal carbonization of sugarcane bagasse.

Confinement Effects on the Ionic Liquid Dynamics in Ionosilica Ionogels: Impact of the Ionosilica Nature and the Host/Guest Ratio Open

Nicole Abdou, Bruno Alonso, Nicolas Brun, Sabine Devautour‐Vinot, Matthieu Paillet , et al. · 2022

International audience

Efficient removal of persistent and emerging organic pollutants by biosorption using abundant biomass wastes Open

Pierre‐Alexandre Deyris, Franck Pélissier, Claire M. Grison, Peter Hesemann, Eddy Petit , et al. · 2022

Dielectric properties of chitosan and two ionic derivatives: Effect of counter anions Open

Ahmed Salama, F. Mohamed, Peter Hesemann · 2022

Textural control of ionosilicas by ionic liquid templating Open

Nicole Abdou, Philippe Dieudonné-George, Nicolas Brun, Ahmad Mehdi, Peter Hesemann · 2022

Ionic liquids were used as templates for the synthesis of mesoporous ionosilica phases. The textures of the formed solids can be efficiently controlled by adjusting the quantity of the IL and the length of the alkyl chain of the IL.

Ionic guest in ionic host: ionosilica ionogel composites <i>via</i> ionic liquid confinement in ionosilica supports Open

Nicole Abdou, Bruno Alonso, Nicolas Brun, Périne Landois, Andreas Taubert , et al. · 2022

Non-hydrolytic sol–gel strategies allow accessing all-ionic ionosilica ionogels containing up to 80 wt% of supported IL. These phases display modulable electrochemical properties.

Monitoring and Management of Anions in Polluted Aqua Systems: case studies on nitrate, chromate, pertechnetate and diclofenac Open

Rana E. Ahmed, Philippe Moisy, Amitabh Banerji, Peter Hesemann, Andreas Taubert · 2021

Carbon Adsorbents from Spent Coffee for Removal of Methylene Blue and Methyl Orange from Water Open

Inga Block, Christina Günter, Alysson Duarte Rodrigues, Silvia Paasch, Peter Hesemann , et al. · 2021

Activated carbons (ACs) were prepared from dried spent coffee (SCD), a biological waste product, to produce adsorbents for methylene blue (MB) and methyl orange (MO) from aqueous solution. Pre-pyrolysis activation of SCD was achieved via t…

Periodic Mesoporous Ionosilica Nanoparticles for Green Light Photodynamic Therapy and Photochemical Internalization of siRNA Open

Braham Mezghrani, Lamiaa M. A. Ali, Sébastien Richeter, Jean‐Olivier Durand, Peter Hesemann , et al. · 2021

We report periodic mesoporous ionosilica nanoparticles (PMINPs) as versatile nano-objects for imaging, photodynamic therapy (PDT), and efficient adsorption and delivery of small interfering RNA (siRNA) into breast cancer cells. In order to…

Preparation and dielectric relaxation of a novel ionocellulose derivative Open

Ahmed Salama, F. Mohamed, Peter Hesemann · 2021

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