B-MRS Newsletter: Year 12, issue 5

Papers by the community

Researchers from CNPEM, in partnership with UFABC, have developed a sustainable material that can be used to package delicate electronic components, such as chips and transistors, protecting them from damage caused by electrostatic discharges. The new material (a cryogel) also hinders the spread of flames and was developed using cellulose and carbon black – materials that can be prepared from agro-industrial waste. The invention, which can replace current antistatic packaging based on petroleum-derived plastics, has been the subject of a patent application. The article reporting the study was featured on the cover of Advanced Sustainable Systems. Go to the paper.

An article featured on ACS Nano´s cover presents an overview of the development and application of oncology nanovaccines. The review was entirely produced by researchers from IFSC-USP. These vaccines are based on nanoparticles that transport tumor antigens and immunological adjuvants directly to the body’s defense cells to teach the immune system to recognize tumor cells and activate a long-lasting response against cancer. Nanoparticles can be designed to fulfill several functions in this process, from protecting the vaccine components and releasing them in a controlled manner, to modulating the desired immune response in order to respond precisely to the type of cancer, stage of the disease and patient profile. Go to the paper.

Researchers from Unesp, UFABC and CNPEM have developed a nanomaterial with increased capacity for detecting ethyl acetate (a volatile compound naturally produced by bacteria and fungi, the detection of which is important, for example, to ensure the quality of some foods). The new sensor is made up of nanorods of indium oxide, a semiconductor characterized by its strong interaction with gaseous molecules. To boost the sensor, the scientific team developed a method that additions two phases of indium oxide: the cubic and the rhombohedral one. The combination of the phases generated a synergistic effect, in which the defects in the material increased its reactivity towards ethyl acetate, improving the performance of the device. The article was featured on the cover of ACS Applied Nano Materials. Go to the paper.

Researchers from institutions in Minas Gerais and São Paulo have teamed up to understand phenomena that impair the performance of solar cells and LEDs based on mixed halide perovskites. These materials are low-cost and highly efficient at converting sunlight into electricity. However, they are not able to maintain their properties over time. In this new research, the scientific team used a combination of experimental and computational techniques to study films formed by mixed halide perovskite nanocrystals. The authors were able to understand in detail the migration of halides that occurs in these materials, causing changes in their structure and instabilities in their performance. Go to the paper.

To share a prominent scientific article with significant participation of authors from B-MRS community, write to comunicacao@sbpmat.org.br.

XXIII B-MRS Meeting
Salvador (BA), September 28 to October 2, 2025

Important dates. Early bird registration is open until August 11th, with discounts of up to 33%. Please note that payment of the registration fee is required in order to reserve your spot on a short course. Find out more about registration fees.

Short courses. Each participant of the event can participate in a short course, at no extra cost, on September 28 (Sunday). There are 9 options on techniques for preparation and analysis of materials, technological entrepreneurship and scientific writing. The reservation of places is already open in the system and spots are limited. Learn more.

Student Awards. Works approved for oral or poster presentation by undergraduate, master’s or doctoral students are eligible to compete for the Bernhard Gross Awards and ACS and RSC Prizes. To participate, it is necessary to submit an extended abstract by July 15th. Learn more.

Early Career Woman Scientist Prize. Women who have defended their doctorate between 2016 and 2025 and whose work has been approved for oral presentation at the event can compete for this award by submitting an extended abstract by July 15. Learn more.

Science Popularization Award. All event participants who have abstracts approved for presentation can compete for this new award by creating a short, original video that explains their research topic to a lay audience. The video must be submitted by July 30. Learn more.

At-a-glance program. The general schedule of the event is available. See here.

Accommodation. The list of hotels in Salvador that offer special discounts for event participants can be found here.

Special sessions. The 7th Meeting of BRICS Working Group on Material Science and Nanotechnology will be held during the XXIII B-MRS Meeting. More information soon.

Plenary lectures. The names of the renowned scientists who will deliver the seven plenary lectures of the event have already been confirmed. See here.

Venue. The event will be held at the Salvador Convention Center, in the capital of Bahia. Learn more.

Chairs. Prof. Luiza Amim Mercante (UFBA) and Prof. Daniel Souza Corrêa (Embrapa Instrumentação) are the chairs of the event.

Exhibitors. 26 companies and startups have already confirmed their participation in our booth exhibition. See here.

Upcoming events

– 14th International Symposium on Polyelectrolytes (ISP 2025). Campinas (SP, Brazil). July 13 to 18, 2025. Site.

– XV Método Rietveld de Refinamento de Estrutura. Fortaleza (CE, Brazil). August 4 to 8, 2025. Site.

– Workshop sobre Espectroscopia de Fotoelétrons Excitados por Raios-X (WEFERX). São Pedro (SP, Brazil). September 1 to 5, 2025. Site.

– Symposium “Progress in understanding fundamental, functional material and health aspects of melanins, polydopamine and related polyindole quinone materials” at the E-MRS 2025 Fall Meeting. Warsaw (Poland). September 15 to 18, 2025. Site.

– XXIII B-MRS Meeting. Salvador (BA, Brazil). September 28 to October 2, 2025. Site.

– 11th International Symposium on Sensor Science (I3S 2025). Barcelona (Spain). November 17 to 19, 2025. Site.

– Brazilian Young Researchers in Soft Matter. Campinas (SP, Brazil). November 21, 2025. Site.

– Materials Research Meeting (MRS2025). Yokohama (Japan). December 8 to 13, 2025. Site.

To publicize an event for our community, write to comunicacao@sbpmat.org.br.

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