When photons collide with molecules, they trigger swift chemical modifications occurring within a range so fleeting—millionths of a billionth of a second—that traditional observation methods have struggled to keep pace. These rapid transitions play central roles in vital biological phenomena such as vision, photosynthesis, and DNA repair mechanisms that shield against ultraviolet damage. Despite their ubiquity and importance, the precise choreography of these processes remains largely elusive, veiled by the extraordinary speed at which they unfold.

The pioneering CONCERT project—Capturing and cONtrolling coniCal intErsections in Real Time—aims to shatter these observational barriers. By uniting expertise in physics, chemistry, and laser technology, the consortium targets one of photochemistry’s most enigmatic phenomena: conical intersections. These are singular points within a molecule’s electronic energy landscape where two distinct electronic states intersect, marking critical junctures where the typical deterministic rules of chemistry dissolve, and quantum mechanics reign supreme.

Visualizing a molecule’s journey through conical intersections can be likened to a vehicle navigating a complex roundabout, a nexus where multiple pathways diverge. At these “quantum junctions,” molecular fate is decided—dictating which chemical pathway dominates and which products emerge. Successfully mapping these processes not only unlocks a deeper comprehension of fundamental molecular behavior but also opens avenues to harness light to manipulate photochemical reactions with unprecedented precision.

Achieving this ambitious goal demands pushing the frontiers of laser technology. CONCERT researchers are developing ultrafast laser systems capable of generating light pulses that exist for mere femtoseconds—millionths of a billionth of a second. These pulses will act as temporal cameras, enabling a stroboscopic capture of molecular states in rapid succession, effectively stitching snapshots into an ultrafast molecular motion picture. The process involves initiating the reaction with an initial pulse and subsequent pulses probing the molecule’s evolving geometry at successive intervals, enabling dynamic visualization of the passage through conical intersections.

A critical experimental hub for these investigations will be FERMI, the cutting-edge free-electron laser facility at the Sincrotrone ELETTRA in Trieste. Thanks to its ability to produce ultrashort soft X-ray pulses, FERMI uniquely facilitates direct, real-time observation of molecular transformations at these decisive quantum crossroads. According to Claudio Masciovecchio, Director for time-resolved experimental techniques at Elettra, FERMI’s capabilities represent an unparalleled window into the fleeting molecular phenomena occurring during conical intersections.

Beyond mere observation, the project aspires to direct the outcome of photochemical reactions actively. By engineering customized laser pulses applied exactly at the conical intersection, researchers aim to steer molecules onto desired reaction pathways, effectively dictating chemical products with light. This represents a conceptual shift away from traditional strategies that attempt to control reactions at initiation—a method frequently limited in efficacy. Instead, concentrating manipulation at the pivotal moment where molecular trajectories diverge holds the promise of finely tuned photochemical control.

Such control mechanisms echo a long-held aspiration within chemistry: to employ light not simply as an initiator but as a catalyst that precisely governs reaction outcomes without reliance on additives. Giulio Cerullo emphasizes this transformative potential, stating that while scientists have historically been passive spectators to ultrafast “molecular movies,” CONCERT envisions researchers as active directors employing sophisticated “cameras” and “handles” to capture and influence these events in real-time.

The ramifications of this research cascade far beyond academic interest. Advancing understanding and control of photochemical reactions can propel the development of green chemistry pathways, fostering cleaner, highly selective synthesis processes. Moreover, manipulating molecular behavior with light could drive innovation in materials science, enabling the design of photosensitive compounds and photonic devices inspired by biological mechanisms.

The intersection of quantum physics, ultrafast laser technology, and molecular chemistry that the CONCERT project embodies represents a thrilling new frontier. By blending these disciplines, the team aims to pioneer quantum chemical synthesis governed by the choreography of light—a vision that could redefine chemical manufacturing and molecular engineering paradigms. Caterina Vozzi succinctly captures the ethos of the endeavor: by harnessing quantum mechanics with precision lasers, it is possible to move beyond observation towards the active creation of molecular transformations.

Key scientists behind this initiative bring a wealth of expertise and accolades to the project. Giulio Cerullo, a full professor at Politecnico di Milano, leads experimental ultrafast spectroscopy research, focusing on generating and applying ultra-short light pulses to elucidate dynamic molecular and material processes. He is recognized internationally, including election as a corresponding member of the Accademia dei Lincei and fellowships with the Optical Society and European Physical Society. His recent receipt of the Quantum Electronics Prize underscores his leadership in the field.

Caterina Vozzi directs the CNR Institute of Photonics and Nanotechnology, heading research teams that have significantly advanced attosecond science, molecular spectroscopy, and time-resolved X-ray techniques. Marco Garavelli, a distinguished professor at the University of Bologna, brings computational photochemistry and photobiology expertise, emphasizing realistic modeling of molecular photoreactivity in complex environments. His distinguished career includes numerous funded projects and prestigious awards like the Primo Levi Prize.

Together with Shaul Mukamel of the University of California, the team’s complementary skills integrate theory, computation, and cutting-edge instrumentation to realize CONCERT’s vision—capturing and controlling molecular quantum dynamics at exceptional temporal resolution.

In summary, this cross-disciplinary, multinational collaboration is poised to unlock the intricate quantum behavior of molecules under light exposure, transforming our capacity to visualize and manipulate the ultrafast molecular world. With profound implications for chemistry, biology, and materials science, CONCERT charts a course toward an era where light drives chemical synthesis with quantum precision—ushering in novel technologies and sustainable approaches anchored in the fundamental principles of nature.

Subject of Research: Ultrafast molecular photochemical reactions, conical intersections, and quantum control of chemical transformations through tailored laser pulses.

Article Title: Illuminating Molecular Quantum Pathways: The CONCERT Project’s Quest to Capture and Control Ultrafast Photochemical Reactions

News Publication Date: 06 November 2025

Web References: https://www.polimi.it (Politecnico di Milano), https://www.elettra.trieste.it (Sincrotrone ELETTRA)

References: ERC Synergy Grant CONCERT project (Capturing and cONtrolling coniCal intErsections in Real Time)

Image Credits: Not provided

Keywords

Laser light, ultrafast spectroscopy, conical intersections, quantum chemistry, photochemical control, femtosecond laser pulses, molecular dynamics, free-electron laser, FERMI, quantum photochemistry

Within the inner sanctum of cellular biology, the impermeability of cellular membranes to many therapeutic molecules stands as a monumental barrier to effective treatment. Proteins and peptides, though potent in their therapeutic potential, are often rendered ineffectual because they cannot penetrate the phospholipid bilayers that guard the cell’s interior. Traditional drug delivery systems have long grappled with this challenge, employing mechanisms grounded in classical principles of molecular transport. The CARAMEL project dares to rethink these foundational assumptions by proposing a radical strategy based on covalent chaotropic membrane transport, a concept that proposes the use of covalent interactions combined with chaotropic agents to transiently disrupt membrane integrity, thereby facilitating the ingress of otherwise impermeable biomolecules.

The interdisciplinary team spearheading CARAMEL comprises four principal investigators, each a luminary in their respective fields. Dr. Werner Nau from Constructor University in Germany brings extensive expertise in supramolecular chemistry and molecular transport phenomena. Dr. Paola Luciani of the University of Bern, Switzerland, is renowned for her work in membrane biophysics and chemical biology. Dr. Oliver Hantschel from Philipps University of Marburg, Germany, contributes cutting-edge insights into oncogenic signaling pathways and therapeutic targeting. Anchoring this collaboration is Dr. Javier Montenegro from the Center for Research in Biological Chemistry and Molecular Materials (CiQUS), University of Santiago de Compostela, Spain, who serves as the corresponding principal investigator. Together, they form a synergistic team equipped to unravel the complexities of intracellular delivery through innovative chemical design and biological exploration.

Central to CARAMEL’s innovation is the abandonment of traditional, often limiting presuppositions regarding molecular transporters. Classical methods typically employ molecular carriers or liposomal encapsulation that rely on established pathways for endocytosis or membrane fusion. In contrast, the covalent chaotropic approach envisages designing transporters that transiently and reversibly bind to membrane components, inducing local disorganization at the molecular level. Such induced disorder—rooted in chaotropic effects that destabilize the structured water and lipid environment—enables these transporters to ferry large, hydrophilic biomolecules across the otherwise impermeable lipid bilayer. This disruptive method, if successful, could unlock a previously inaccessible avenue for targeted delivery within cells, expanding therapeutic possibilities immensely.

Javier Montenegro, reflecting on the significance of the ERC Synergy Grant, emphasized the novelty and transformative potential of their concept. “Our project represents a paradigm shift in understanding membrane transport mechanisms,” he stated. “By harnessing covalent interactions in combination with chaotropic disruption, we are exploring a fundamentally new transport mode that may pave the way for a new class of biotherapeutic delivery agents. This could ultimately change how we treat intracellular diseases, including a broad spectrum of cancers.” This bold vision reflects the project’s ambition to transcend incremental improvements and instead catalyze a conceptual overhaul in drug delivery science.

The potential impact of the CARAMEL project extends far beyond the confines of chemical innovation. Effective intracellular delivery of therapeutic proteins and peptides has historically been a crucible for drug development, often limiting the clinical applicability of these agents despite their therapeutic promise. By systematically investigating the fundamental mechanics of covalent chaotropic membrane transport, the team aims to establish a robust proof-of-concept that could be rapidly translated into clinical applications. This approach offers hope not only for more efficacious cancer therapies but also for treatments spanning metabolic disorders, infectious diseases, and genetic conditions where intracellular targeting is crucial.

A distinctive strength underpinning this collaborative effort is the ERC Synergy Grant’s emphasis on integrative, collaborative research approaches. Unlike individual grants, the Synergy Grant fosters convergence from multiple scientific disciplines, enabling this team to tackle an extraordinarily complex problem from complementary perspectives. The union of chemical biology, supramolecular chemistry, membrane biophysics, and therapeutic oncology embedded within CARAMEL exemplifies how scientific frontiers can be advanced when diverse expertise is harnessed in concert. This integration also accelerates the iterative process of hypothesis generation, experimental validation, and therapeutic design that is vital for tackling the intricacies of intracellular delivery systems.

Exploring the molecular intricacies of covalent chaotropic transport necessitates advanced chemical synthesis combined with high-resolution biophysical characterization. The team anticipates employing groundbreaking techniques such as single-molecule fluorescence spectroscopy, nuclear magnetic resonance (NMR) spectroscopy, and advanced electron microscopy to observe membrane interactions in real-time at a molecular scale. Complemented by computational modeling and molecular dynamics simulations, these tools will illuminate how transporter molecules interact transiently yet specifically with lipid domains, perturbing the membrane environment just enough to allow passage of therapeutic cargo without compromising cellular viability.

Moreover, CARAMEL’s research is poised to address the long-standing challenge of specificity in drug delivery. Covalent chaotropic transporters can be chemically engineered to recognize specific cell types or pathological states by tuning their reactive groups and membrane affinity profiles. This specificity is particularly critical in cancer therapeutics, where targeted delivery minimizes off-target effects and maximizes drug efficacy within tumor cells. By refining the molecular architecture of these transporters, the project aims to achieve selective cytoplasmic entry, thereby enhancing therapeutic indices and patient outcomes.

The project’s timeline, spanning up to six years, allows for comprehensive stages of research and development—from initial theoretical modeling and chemical synthesis, through in vitro validation of transport efficacy, to in vivo testing in preclinical models of disease. This methodical progression ensures that each phase builds on robust scientific data, reducing translational risks and accelerating pathways towards clinical trial readiness. The sustained funding of nearly €10 million underscores the ERC’s commitment to fostering long-term, high-impact research endeavors that may redefine therapeutic landscapes.

In conclusion, the CARAMEL project exemplifies how visionary scientific ideas, supported by strategic interdisciplinary collaboration and forward-thinking funding mechanisms, can embark on the path to redefine fundamental paradigms in medicine. By confronting the molecular barriers that have thwarted intracellular delivery for decades, this team seeks not only to unlock new frontiers in cell biology and biochemistry but also to usher in a new era of biotherapeutic interventions that are more effective, selective, and transformative. The scientific community and patients alike await the outcomes of this trailblazing research with keen anticipation.

Keywords: Drug delivery, covalent chaotropic membrane transport, biotherapeutic delivery, intracellular transport, peptides, proteins, membrane permeability, membrane transporters, chemical biology, cancer therapy, molecular transport, European Research Council, Synergy Grant

The blood-nerve barrier serves as a protective shield for the nervous system, structured as a selective barrier that regulates the passage of substances between blood circulation and nerve cells. This barrier is essential not only for maintaining the homeostasis of nerve environments but also for providing nutrients and shielding nerve cells from potentially harmful toxins. Understanding its intricate workings is vital, especially as damage to this barrier is associated with numerous painful conditions. These include nerve damage related to diabetes, cancer treatments, and various inflammatory disorders affecting the nervous system.

Teesalu’s research group has garnered support from leading research teams across Europe, creating a powerful consortium aimed at scrutinizing the blood-nerve barrier. Their collaborative efforts will generate a comprehensive molecular and spatial map, shedding light on the interactions between nerve cells and blood vessels. The peripheral nervous system, which encompasses all nerves outside the brain and spinal cord, will be the focal point of their innovative research.

The collaboration is set to last for six years, promoting the exchange of ideas among four prominent research groups. Led by Teesalu, the consortium includes experts like Professor Ellie Tzima from the University of Oxford, who will investigate the effects of mechanical stress on the barrier’s biological functions. Simultaneously, Dario Bonanomi’s team at Italy’s San Raffaele Hospital will explore neurobiology and nerve regeneration mechanisms. In parallel, Isabelle Brunet’s team at the Collège de France will bridge the realms of neuroscience and vascular biology, enhancing the scope of this multidisciplinary approach.

One of the project’s primary objectives is to identify specific molecules known as homing peptides. These peptides can target and guide therapeutic agents directly to the appropriate cells by leveraging the unique molecular markers present in blood vessels—akin to a postal system. So far, Teesalu’s previous work has primarily concentrated on solid tumors and brain delivery systems. However, the focus on the peripheral nervous system offers a fresh perspective on drug delivery methods.

As the researchers embark on this transformative journey, they are poised to identify barriers and improve the binding properties of therapeutic molecules to enhance the effectiveness of treatments directed at nerve pain. Chronic nerve pain is a condition affecting a significant proportion of the global population, making this research pivotal in addressing a pressing health concern. While immediate clinical applications are not expected, the discoveries from this project may pave the way for future breakthroughs in pain management.

Teesalu expresses optimism about the project’s implications for understanding chronic nerve pain, emphasizing that unveiling the mechanisms of the blood-nerve barrier is essential to manipulating its properties for therapeutic advantages. Furthermore, he underscores the importance of future investigations into how this barrier impacts nerve cell repair and healing processes—a topic that remains largely unexplored.

This ERC Synergy Grant is not Teesalu’s first achievement in securing such funding; he is notably the only Estonian researcher to have received ERC support three times. These previous accolades include an ERC Starting Grant in 2012 and a Proof of Concept Grant in 2018. His continued success reflects not only his innovative research capabilities but also the critical relevance of his work in advancing nanomedicine and its potential applications.

The project’s financial backing is impressive, with a total budget of 10 million euros, allowing the consortium to pursue comprehensive research over the designated six-year period. Teesalu’s research group has been allocated 2.5 million euros to further their investigations into this crucial area of study. This substantial funding emphasizes the value placed on this research endeavor within the broader scientific community and its potential to yield valuable insights into chronic pain management.

As the global prevalence of chronic pain continues to rise, addressing the underlying mechanisms of the blood-nerve barrier may significantly improve our understanding of pain pathophysiology. Insights gained from this research could lead to novel therapeutic options for patients suffering from diverse pain conditions, ultimately transforming the paradigm of pain treatment.

In conclusion, the collaborative effort spearheaded by Teesalu and his European partners marks a pivotal moment in neurobiology and the field of nanomedicine. By unlocking the blood-nerve barrier’s secrets, they aim to introduce innovative approaches to drug delivery that could revolutionize treatment options for millions of individuals living with chronic pain. This endeavor promises to lay the groundwork for enhanced therapies and improved patient outcomes in the future.

Subject of Research: Drug delivery across the blood-nerve barrier

Article Title: Unlocking the Secrets of the Blood-Nerve Barrier: A Revolutionary Approach to Pain Management

News Publication Date: October 2023

Web References: [N/A]

References: [N/A]

Image Credits: Photo by Andres Tennus

Keywords

blood-nerve barrier, chronic pain, Tambet Teesalu, ERC Synergy Grant, drug delivery, nanomedicine, peripheral nervous system, homing peptides, nerve regeneration, neuroscience, inflammation, therapeutic approaches

This initiative marks a significant conceptual departure from conventional land reform discourses by introducing the innovative notion of landscape reform. Unlike traditional models that focus primarily on redistributing land ownership and use, LAND reimagines the entire relationship between humans and the multispecies worlds they inhabit. The project posits that sustainable and just transformations must account for the intricate interplay among social systems, economic structures, and ecological processes, recognizing the “more-than-human” lives intertwined within landscapes. This multidisciplinary vantage point pushes beyond territorially confined perspectives, embracing a holistic understanding of landscapes as dynamic, lived environments shaped by and shaping human and non-human actors alike.

LAND operates in four ecologically and culturally distinct regions: the Colombian Amazon, the southern African savannas, the Mediterranean plains, and the coastal zones of Southeast Asia. This geographic diversity enables scholars to investigate a broad spectrum of land-use challenges and adaptive strategies. Across these sites, the project explores how land, livelihoods, and ecosystems might be reorganized to foster resilience, equity, and sustainability in the face of planetary crises. The focus on varying biomes and social contexts also allows the team to generate transferable frameworks that reflect the heterogeneous realities of global landscape governance under climate change pressure.

At the conceptual core of the research lies the intersection of four critical dimensions, known as the “4 Ps”: Planet, Profit, Property, and Partners. This innovative framework illuminates how global forces of power, economic production, and ownership arrangements shape the possibilities for just landscape transformation. By analyzing these interdependencies, the researchers interrogate how profit motives interface with ecological limits and property regimes, while also highlighting the importance of collaborative partnerships across different scales and sectors. The explicit attention to partners foregrounds the role of diverse actors, from local communities to policymakers, in co-creating sustainable futures.

LAND’s conceptual innovation also stems from its challenge to dominant Western dualisms that separate humans from nature and land from society. This decentering provokes a profound re-thinking of the ontological assumptions underpinning landscape politics. Rather than adopting a solely top-down planetary perspective, the project emphasizes situated, grounded knowledge and participatory action research. Such an approach aims to produce inclusive, context-specific insights capable of informing policy and practice that resonate with on-the-ground realities of those living within and alongside landscapes, fostering both ecological regeneration and social justice.

The genesis of LAND is itself emblematic of the project’s integrative ethos. Conceived during an inspiring hike in the Spanish Pyrenees, this intellectual collaboration unites four renowned social scientists who are leaders in their respective fields. Their combined expertise spans anthropology, political ecology, agrarian studies, development studies, climate research, and multispecies ethnography. This methodological pluralism facilitates the deployment of ethnographic fieldwork, livelihood analysis, action-oriented research, and systems modeling, enabling the project to capture the complexity of socio-ecological change across spatial and temporal scales.

The ERC Synergy evaluation panel lauded the team for its exceptional complementarity and demonstrated excellence. Their collective career trajectories and extensive networks within the proposed study areas position the researchers uniquely to undertake this ambitious endeavor. The panel emphasized their remarkable ability to integrate diverse disciplinary perspectives with deep empirical knowledge, highlighting the project’s potential to advance groundbreaking theories on landscape reform and rekindle global debates on sustainability and justice in the Anthropocene era.

Critically, the project’s approach underscores that transformative changes in landscapes require simultaneously addressing ecological sustainability and social equity. Recognizing that economic systems undergirding land use often promote exploitative and exclusionary practices, LAND interrogates how alternative models of profit and property can be mobilized or reconfigured to support pluralistic, democratic stewardship of landscapes. This inquiry aligns closely with ongoing global discourses regarding land rights, climate justice, indigenous sovereignty, and the rights of non-human species, marking LAND as a pivotal contribution to contemporary environmental scholarship and activism.

By concentrating on the relationships between land, livelihoods, and ecosystems, LAND navigates the complex terrain of adaptation amid climate change. The project acknowledges that landscapes are not static but are continually molded by socio-environmental feedback loops, necessitating dynamic, flexible governance strategies. Through interdisciplinary integration, the researchers aim to devise actionable frameworks that help anticipate and respond to vulnerabilities within local and regional landscapes, thereby contributing to more robust climate change adaptation policies that are sensitive to cultural and ecological specificities.

Ultimately, LAND aspires to stimulate new thinking that transcends disciplinary silos, advocating for systemic shifts in how societies conceptualize and engage with landscapes. The project’s emphasis on landscape reform navigates a pathway toward envisioning landscapes as sites of ongoing negotiation, where justice and sustainability are co-produced through collaborative, context-sensitive interventions. In doing so, LAND challenges entrenched paradigms and advocates for transformative action grounded in scientific rigor and normative commitment to planetary well-being.

This innovative research not only advances academic frontiers but also holds profound implications for policymakers, practitioners, and communities worldwide. By reimagining the very terms of land use and landscape transformation, the project invites a reconsideration of humanity’s place within the Earth’s biosphere. It offers a timely, integrative framework for confronting the multifaceted crises that define the Anthropocene, harnessing scientific insight toward crafting viable, equitable futures for both human and non-human life.

In the final analysis, the synergy among Borras, Corbera, Scoones, and Tsing encapsulates the momentum necessary for pioneering comprehensive solutions at the nexus of social justice, ecological sustainability, and economic viability. As LAND unfolds over the next half decade, its findings promise to illuminate pathways for living on a fragile planet in ways that are both life-affirming and just, potentially shaping global environmental scholarship and policy well beyond the initial project horizon.

Subject of Research:
The project investigates socio-ecological transformations through the lens of landscape reform in the Anthropocene, addressing global challenges by integrating ecological sustainability, social justice, and economic dynamics across diverse bioregions.

Article Title:
Land and Life in the Anthropocene: Pioneering Landscape Reform for a Just and Sustainable Future

Web References:
https://erc.europa.eu/apply-grant/synergy-grant
https://www.eur.nl/people/jun-borras
https://www.ids.ac.uk/people/ian-scoones/
https://www.icrea.cat/community/icreas/16866/esteve-corbera-elizalde/
https://anthropocene.au.dk/people-and-projects

Image Credits:
Credit: LAND project

Keywords:
Land management, Landscape evolution, Land use, Sustainability, Sustainable development, Climate change, Climate change adaptation, Ethnography, Justice, Anthropology