Russian Science Today by IvoryZoo

❄️ Arctic beauty break: Polar-Alpine Botanical Garden—the northernmost botanic garden in Russia 🌱🇷🇺 📍 Murmansk Region Credit @kpabg

#hot_papers Russian Chemists Find a New Way to Remove (and Detect) Benzene Impurities in Cyclohexane Cyclohexane is a big deal in the chemical industry—produced in massive quantities worldwide. It's made by hydrogenating benzene. And here's the problem: trace amounts of leftover benzene are a headache. Why? Two reasons: 1️⃣ Benzene can interfere with downstream chemical reactions. 2️⃣ Environmental regulations on benzene are extremely strict. Many researchers around the world have been working on this. Now, a team from the Nikolaev Institute of Inorganic Chemistry SB RAS (Novosibirsk), together with colleagues from China, just published a brilliant solution in JACS—the Journal of the American Chemical Society (IF 15.7), one of the most prestigious chemistry journals in the world. 🔬 The breakthrough: They synthesized a new metal-organic coordination polymer—yes, the very class of materials that won the Nobel Prize in 2025. This material has a unique ability: it absorbs even ultra-trace benzene impurities from cyclohexane: ▫️ Starting purity: 99.9% ▫️ After treatment: 99.999% —five nines! 💡 This luminescent complex also works as a highly sensitive sensor for benzene. It detects the very impurity it removes. Two functions in one material. A true combo. Huge congratulations to the team! This work was supported by the Russian Science Foundation (RSF). 🔗 Read the paper 🔗 RSF project

#conference International Conference on Chemical Thermodynamics in Russia Languages: Russian and English Location: Ekaterinburg, Russia Dates: June 29 to July 3, 2026 Submission deadline: April 15, 2026 The oral and poster presentations are divided into the following broad topics: Fundamental issues and new challenges in chemical thermodynamics. Thermodynamic properties and processes in solids. Thermodynamic properties and processes in solutions and fluids. Thermodynamics of heterogeneous systems, surfaces, interphase and membrane processes, and nanoscale systems. New approaches, methods and goals in thermodynamic modeling. Thermodynamic databases. Thermodynamic aspects of synthesizing, analyzing and predicting the properties of novel materials. Round table discussion «Chemical thermodynamics in higher education». Special session on the development of measurement methods and experimental setups in thermal analysis and calorimetry. Exhibition of the recent achievements in the field of scientific instrumentation. For participating in the round table discussions, only oral presentations are accepted. The exhibition will be held as a typical scientific equipment exhibition. https://rcct2026.ru/

#hot_papers Plants That Glow When Pests Attack (No, This Isn't Science Fiction) Imagine walking through a field at night—and seeing your crops glow to tell you they're under attack. Russian biologists just made it real. A team from the Shemyakin–Ovchinnikov Institute of Bioorganic Chemistry RAS (Moscow) and the company "Planta" (with international colleagues) engineered plants that literally light up when their defenses kick in. 🧬 How it works: The scientists inserted a special genetic construct into Arabidopsis thaliana and Nicotiana benthamiana (a relative of tobacco). The key ingredients are a luciferase gene—the enzyme that makes fireflies glow, as well as promoters that are sensitive to jasmonic acid and salicylic acid—the plant's "SOS hormones." When a pest or pathogen attacks, these hormone levels spike. The promoter flips on. And the plant starts to glow. 🔦 The attacked area shines >50 times brighter than healthy tissue. No special equipment needed - it is visible to the naked eye (or a simple camera). Published in Nature Communications (IF 15.7) 🔗 Read the paper

#hot_papers Who Lives in the Soil and What Do They Eat? Scientists Just Made a "World Map" for Soil Life. Soil isn't just dirt. It's a universe. Microscopic mites, springtails, earthworms—they're the invisible engineers of our planet. They recycle organic matter, regulate microbes, and literally build the soil structure we depend on. But here's the thing: we've never really known what they're eating on a global scale. Until now. An international team—including researchers from the Severtsov Institute of Ecology and Evolution RAS (Moscow), the Institute of Systematics and Ecology of Animals SB RAS (Novosibirsk), and Lobachevsky University (Nizhny Novgorod) —just published a landmark study in Nature Ecology & Evolution (IF 14.5). They analyzed stable isotope signatures (δ¹³C and δ¹⁵N) from over 17,000 soil animal samples across 19 countries. Think of isotopes as a dietary fingerprint. They tell you exactly what an organism has been eating. 🔬 What they found: 1️⃣ Microbial feeders are the ultimate generalists. Their isotopic range is wider than detritivores (dead stuff eaters) and predators. They play more roles in the food web than we realized. 2️⃣ Tropics = more culinary diversity. In tropical ecosystems, trophic diversity is 40% higher than in temperate zones. Warm climates + longer growing seasons = more resources, finer niche partitioning. 3️⃣ The big surprise: farms beat forests. In agroecosystems (croplands, pastures), trophic diversity was 32% higher than in natural forests. Here's the paradox: We know that plowing and fertilizers reduce biomass and species richness. But the species that survive? They expand their diets. They eat things they never ate in the forest. They adapt. This is a double-edged sword: ✅ Now: This flexibility buffers the ecosystem. Functions like decomposition and nutrient cycling keep running even when species are lost. ❌ Long-term: "Specialists" disappear. The ecosystem becomes less resilient to new shocks. We lose narrow, potentially valuable functions. Soil life is more adaptable than we thought—but adaptability has a cost. Published in Nature Ecology & Evolution (IF 14.5) 🔗 Read the paper

#conference International Conference "Synchrotron Radiation: Science, Knowledge, Innovations, Future (SKIF-2026)" Language: English Location: Novosibirsk, Russia Date: October 18−23, 2026 Submission deadline: May 1, 2026 Sections: Fundamental and Applied researches, Industrial applications, Instrumentation, detectors and data acquisition, SR sources and IDs Bonuses: No registration fee, tour to the new fourth generation light source “SKIF” will be organized within the Conference program. https://skif-conf.ru/

#hot_papers #Tomsk #medicine "Spot Navigation" for Tumors: a Radiolabeled Protein for Pinpoint Cancer Diagnostics Many cancers—lung, ovarian, breast, kidney—share a common feature: they overexpress a protein called EpCAM on their surface. It's the perfect target. If you can find EpCAM, you can find the tumor. We already had a tool: a protein called DARPin Ec1, labeled with technetium-99m. It worked—it lit up EpCAM-positive tumors in clinical trials. But there was a catch: It also accumulated in healthy organs, creating a background noise. Now, a team from Tomsk Polytechnic University and Siberian State Medical University, together with colleagues from the Institute of Bioorganic Chemistry RAS (Moscow), figured out how to clean up the signal. 🧪 The fix: They tweaked the "tail" of the protein—the part where the radioactive label attaches. They added short peptide chelators: Gly-Gly-Gly-Cys (G3C) or Glu-Glu-Glu-Cys (E3C) , stitched onto the C-terminus of DARPin. 🔬 The result: ▫️ Both variants kept their high affinity for EpCAM (Kd = 8–10 nM). ▫️ The background signal drastically reduced. ▫️ Tc-Ec1-G3C gave the best contrast. Tumors lit up; healthy tissue stayed dark. According to the researchers, this version is ready for clinical trials. It's a sharper tool for oncologists—better visualization means better detection, better staging, better decisions. Published in Molecular Pharmaceutics (IF 4.5) 🔗 Read the paper

Electrospray? Actually, ERIAD, made in USSR: How Lidia Gall Shaped the Future of Molecular Biology Today, on March 8th—International Women's Day—we honor the groundbreaking work of Professor Lydia Gall, the brilliant mind behind what the world now knows as electrospray ionization mass spectrometry. In the annals of scientific discovery, credit is not always bestowed fairly. But on this day, we shine a long-overdue spotlight on a woman whose innovation fundamentally transformed our ability to study the very building blocks of life. In the late 1970s and early 1980s, mass spectrometry had hit a formidable wall. While exceptional at analyzing small, robust molecules, the technology shattered the large, fragile biomolecules—like proteins and DNA—that scientists were most eager to study. The field desperately needed a "soft" method to coax these delicate giants into the gas phase without destroying them. At the Institute for Analytical Instrumentation (Academy of Sciences, Professor Lydia Gall and her group were years ahead of their time. In 1984, they unveiled a revolutionary method they named ERIAD (Extraction of Ions at Atmospheric Pressure). Their technique applied a high voltage to a liquid sample at atmospheric pressure, generating a fine mist of charged droplets. As the solvent evaporated, it left behind beautifully intact, multiply-charged ions of massive biomolecules—ready for precise analysis. In function and principle, this was a direct precursor to what would later be termed Electrospray Ionization (ESI) in the West. While John Fenn would go on to receive the Nobel Prize in 2002 for his development of ESI, Professor Gall’s parallel and independent discovery remained largely unknown to the international community for decades. Science, however, ultimately seeks the truth. Professor Gall’s contributions were not a mere footnote; they were foundational. Her legacy has rightfully earned its place in history. In 2022, the international community bestowed its highest honor upon her: Lidia Gall was awarded the Thomson Medal, the most prestigious award in the field of mass spectrometry, recognizing her as one of the true inventors of electrospray ionization. That same year, she also received the Manuel Riveros Medal from the Brazilian Society of Mass Spectrometry.

#conference International School for Young Scientists "Advanced Computational Materials Technologies" Location: Moscow, Skoltech Date: April 16, 2026 Submission deadline: March 31, 2026 https://sci.skoltech.ru/internationalschoolforyoungscientists

#hot_papers #Moscow #medicine DNA Aptamers vs. Glioblastoma: A Precision Strike on Brain Cancer Glioblastoma. The name alone is terrifying. It's the most aggressive brain tumor you can get—the one that resists treatment and almost always comes back. The biggest hurdle? Delivery. The blood-brain barrier (BBB) protects the brain—but it also blocks chemotherapy. Getting drugs into the tumor without touching healthy tissue has been the holy grail. Now, scientists from the Institute of Higher Nervous Activity and Neurophysiology RAS (Moscow) just published a study that brings us one step closer. 🎯 The weapon: DNA aptamers Think of aptamers as synthetic antibodies—short DNA molecules designed to latch onto specific proteins with incredible precision. They're small, cheap to produce, and (unlike antibodies) don't trigger an immune reaction. 🔬 The breakthrough: The team compared two aptamers targeting EGFRvIII—a mutant receptor overexpressed in glioblastoma cells. Their improved version, Gol1, is shorter, more stable, and highly specific. In rats with glioblastoma: ✅ FAM-labeled Gol1 accumulated exclusively in the tumor ✅ Maximum contrast in the invasive zone—the edge where cancer infiltrates healthy brain ✅ Zero signal in healthy tissue But here's the kicker: Gol1 doesn't just find the tumor. It induces apoptosis—programmed cell death—in the cancer cells. 💊 Why it matters: ▫️ Non-immunogenic ▫️ Small size = better tissue penetration ▫️ Cheap to manufacture ▫️ Potential platform for theranostics (therapy + diagnostics) This isn't a cure yet. It's a tool. But it's a sharp one. 🔗 Read the paper

#hot_papers #Tomsk #materials_science From graphite via graphene to electronics and implants Researchers from Tomsk Polytechnic University just unveiled the "Ink and Pen" method to turn natural minerals into flexible electronics. How? ▫️ Electrochemical exfoliation (ECE) turns graphite into graphene paste ▫️ A laser "writes" circuits onto polymers, titanium, ceramics ▫️ Result: flexible sensors, biocompatible components for implants Scaling up 2D materials got real. 🖨 And it likely works for other minerals too. Not just graphene. Published in ACS Applied Electronic Materials (IF 4.7) 🔗 Read the paper

#somewhere_in_Siberia #megascience ⚛️ Progress update: Siberian Ring Photon Source (SKIF) A fresh photo from the construction site near Novosibirsk, Western Siberia. SKIF is a next-generation synchrotron facility designed to serve the global scientific community. Once operational, it will provide cutting-edge capabilities for researchers across multiple disciplines—from structural biology to advanced materials. One step closer to first light. 🔬 Source

#science_backstage 🎧 Nuclear ASMR The Budker Institute of Nuclear Physics (Novosibirsk) posted the sounds of working VEPP-2000 (electron-positron collider). Watch, listen & relax ⚛️

#conference International conference AGES - 2026 "Active Galaxies and other issues of Extragalactic aStrophysics" Location: St Petersburg, Russia Dates: April 20-24, 2026 Submission deadline: April 1, 2026 Topics: AGN physics, evolution and feedback AGN monitoring from radio to X-ray Physics and evolution of galaxies Astrophysical sources of cosmic rays and neutrinos Cosmology https://events.spbu.ru/ages/#!/tab/1703017571-2

The Sun Just Went Blank: Zero Sunspots for the First Time in Over Four Years The Laboratory of X-Ray Astronomy of the Sun (Space Research Institute, Russian Academy of Sciences) reports: right now, the side of the Sun facing Earth is completely spotless. Not a single one. Just a perfect, featureless disk. This might sound boring, but for solar physicists, it's big news. 🔴 Why it matters: Sunspots are windows into the Sun's magnetic soul. They form where magnetic fields are most concentrated—and they're the source of solar flares. No spots usually means low activity. 🟡 The numbers: ▫️ Last time this happened: December 11, 2021 (over 4 years ago). ▫️ Yesterday, the flare activity index also hit zero for the first time since 2024. 🔵 The context: We're only 1.5 years past the maximum of the solar cycle. We should be seeing plenty of spots. Instead—a sudden, deep silence. 🧐 Is this weird? Yes and no. Sudden drops happen. But after an explosively active start to the year, this plunge to "solar minimum levels" caught researchers off guard. Historically, prolonged spotless periods (like the Maunder Minimum, 1645–1715) coincided with the Little Ice Age—bitter winters in Europe and North America. This isn't that. This is likely temporary. But still—a blank Sun is a rare sight. Enjoy the quiet. It won't last.

#hot_papers #Moscow #chemistry 🔥 Adding MORE fire retardant actually made this coating WORSE. Here's the plot twist scientists from Moscow State University (Department of Chemistry) just uncovered: Epoxy coatings are designed to swell up in a fire, creating a protective "char" shield for steel. They usually contain organobromine compounds — powerful flame killers. But chemists @chemistryofmsu found that bromine is a double agent. 🟢 Low dose (12.5%): Perfect. The material becomes self-extinguishing. 🔴 High dose (50%+): Disaster. The bromine messes up the chemistry, creating a shoddy, uneven char that offers less protection. The study was published in Polymers (IF = 4.9) 🔗 Read the paper

#conference International conference "Monte Carlo methods and applications" 2026 Location: Novosibirsk, Russia Dates: October 5-9, 2026 Submission deadline: June 1, 2026 Topics: Error estimation, computational complexity of Monte Carlo methods, and algotithm optimization; Simulation of random variables, random and pseudorandom number generators; Simulation of random processes and fields; Integrals and integral equations; Kinetic equations, Boltsman equations; Random walk methods for boundary value problems in mathematical physics; Radiation transport, atmospheric optics; Stochastic optimization and artificial intelligence; Stochastic methods in linear algebra; Stochastic models of natural processes; Stochastic differential equations, financial nathematics; Applications in natural sciences ; Simulation modeling and queueing theory; Quantum computing; Applied software packages, supercomputing; Metropolis method in statistical physics; Statistical methods for solving inverse problems Conference languages: Russian and English https://conf.icmmg.nsc.ru/event/15/page/126-english-mcma-2026

#hot_papers #Saint_Petersburg #biology #epidemiology "Rat Patrol": A Stable Hotspot of Dangerous Leptospirosis Found in Vietnam's Cities Leptospirosis is one of the most common zoonotic infections in the tropics, claiming tens of thousands of lives every year. Yet, exactly which animals harbor the pathogen in nature and what the genetic structure of the causative agent looks like in Southern Vietnam has remained poorly understood. Scientists from two Pasteur Institutes — in St. Petersburg and Ho Chi Minh City — conducted a large-scale, five-year study of synanthropic rodents and identified the main culprit: the brown rat. Its population stably circulates a highly virulent genovariant of Leptospira interrogans, ready to jump to humans at any moment. Between 2016 and 2020, the team trapped 856 small mammals across three regions of Southern Vietnam. The overall infection rate was 7.8%, but among rats it reached 12.4%. Of the leptospires identified, the vast majority (77.6%) were L. interrogans, with the remaining 22.4% being L. borgpetersenii. This distinction matters, as L. interrogans is considered the most pathogenic for humans. Unfortunately, the urban environment creates ideal conditions for the infection to persist — especially during the rainy season. Based on their findings, the researchers were able to formulate specific recommendations on how to reduce the risks and counter this threat. It is worth noting that this is far from the first time Russian epidemiologists have assisted colleagues abroad — the Pasteur Research Institute has a great experience and a strong scientific tradition in this field. The study was published in Microorganisms (IF = 4.2) 🔗 Read the paper

#science_backstage Underwater Baikal Christmas Dance Some scientists take their work home — these scientists take it under the ice. Researchers at the Baikal Biology Research Institute (Irkutsk State University) are professional divers who clearly don't miss a chance to celebrate the holidays, even at the bottom of the world's deepest lake (with no mulled wine though). Meet Ksenia Vereshchagina — head of laboratory, award-winning scientific photographer, and now, apparently, underwater holiday decorator. Why not install a New Year tree at the bottom of Baikal? 🎥 Video by Ksenia Vereshchagina

#hot_papers #Ural #chemistry How to Optimize Solid Oxide Fuel Cells: Rethinking the Basics Solid oxide fuel cells (SOFCs) are a highly promising technology for electricity generation. Their overall efficiency is determined by their total resistance, which comprises two components: ohmic resistance (ionic transport in the electrolyte) and polarization resistance (the kinetics of reactions at the electrodes). Yet, it was commonly assumed that these components could be optimized independently — by designing electrolyte and electrode materials separately. Scientists from the Institute of High-Temperature Electrochemistry (Yekaterinburg) and Ural Federal University have challenged this convenient assumption with a technically simple but elegant experiment. Their findings show that the polarization resistance of an electrode directly depends on which electrolyte it is in contact with. The researchers fabricated several symmetrical cells using the same electrode material but different electrolytes with varying ionic conductivities. They then measured the electrode's polarization resistance under identical conditions. The result was unambiguous: the higher the ionic conductivity of the electrolyte, the lower the electrode's polarization resistance. This suggests that the properties of the interface — and possibly the kinetics of the electrode reaction itself — depend not only on the electrode material but also on how efficiently the electrolyte conducts ions. The authors validated their observations against a broader set of literature data on proton-ceramic fuel cells and electrolyzers. The pattern held: the electrode is not an "independent" component; its performance is inseparably linked to the characteristics of the adjacent electrolyte. Why is it that important? There results introduce a new optimization paradigm: improving cell components separately and then simply combining them is no longer sufficient. Moreover, the data obtained prompt a re-evaluation of the very nature of polarization resistance. The triple phase boundary (electrode/electrolyte/gas) likely functions in a more complex way than previously thought, with the ionic conductivity of the electrolyte influencing potential distribution and adsorption processes on the electrode. The paper was published in the International Journal of Hydrogen Energy (IF = 8.3). 🔗 Read the paper