QuEra CEO: Quantum moves beyond science project to engineering challenge QuEra CEO Andy Ory said enterprises need to get ready for quantum computing and it will launch its Libra quantum computer via AWS Braket in 2028. Ory added that scalable quantum computing has moved from a science challenge to an engineering one. Speaking at AWS' Analyst Summit in New York, Ory said "we really believe that we are going to be measured as an industry based on utility." AWS said it will work with QuEra to bring the first fault-tolerant quantum computers to the cloud via Amazon Braket. In a blog post, AWS said it will collaborate with QuEra to bring its upcoming Libra quantum computer to Braket, which added QuEra's Acquila system to Braket in 2022. Ory added that utility will be based on scalable machines that have thousands and tens of thousands of logical error corrected qubits. QuEra currently offers its Aquila, a 256-qubit analog neutral-atom system, and Gemini-Class quantum systems which have 260-qubits, but has a system called Libra on its roadmap. "We're really excited about Libra. The science is not done yet, but what's really changed is that we see the end in sight. This is increasingly becoming an engineering challenge, not a scientific challenge, to get to utility scale." QuEra focuses on neutral atom quantum computing, which Ory argued has scalability advantages. For instance, superconducting quantum systems require a chip bathed in a 10 or 15 millikelvin refrigerator. "That refrigerator costs more than our entire machine," said Ory. "It's cold. It's unwieldy. And it's error prone." Eric Kessler, General Manager of Amazon Braket, said neutral-atom quantum computing has matured rapidly and the key components are in place for scale. Kessler said there’s a lot of work ahead for quantum computing, but the goal is to
Jun 16, 2026 · via constellationr.com
QuEra’s Libra Fault-Tolerant Quantum System Heading To Amazon Braket Service The rapidly evolving quantum computing industry has quickly spun through two critical stages and now has solidly moved into a third one, according to Yuval Boger, chief commercial officer at QuEra. The first stage was showing that a quantum system – even one with as few as five qubits – could be built. Once that was proven, the next question facing system makers was whether they could correct errors, a crucial test because a quantum system that produces a lot of errors isn’t useful. As we’ve written, there have been significant advances in error correction, such that companies ranging from Microsoft and Google to QuEra and others now say they can. “The third and exciting phase is, 'Can you scale it up? Can you get to a large enough number of qubits that can run useful problems?’” Boger told The Next Platform. “For an end customer, the question has always been, ‘How far is it away from something really useful? What's the gap between where I am and where I need to be?’ That gap has been very, very rapidly narrowed in terms of the time to true use.” Quantum systems continue to evolve with more logical and physical qubits and roadmaps being laid out that stretch into the next decade and preview the coming era of fault-tolerant, scalable commercial computers. QuEra this week is making its next step public, announcing a new quantum system – Libra – that will be hosted on the Braket service at Amazon Web Services, a fully managed cloud service that serves as a unified platform that developers and researchers can use to build and run quantum algorithms across multiple modalities, from superconducting and trapped ions to neutral atoms. Libra, a neutral-atom system, will be
Jun 16, 2026 · via nextplatform.com
Waterloo, Ontario--(Newsfile Corp. - June 16, 2026) - QuantumCore Ltd. (CSE: QNCR) (FSE: K1Y) ("QuantumCore" or the "Company") is pleased to announce a significant technical breakthrough in the development of its kinetic inductance traveling wave parametric amplifier ("KI-TWPA") platform, achieving performance levels that approach rival existing semiconductor-based amplification technologies. As a result of the recent technical achievements, QuantumCore is accelerating its commercialization timeline. The Company expects to begin shipping evaluation units to select customers under non-disclosure agreements in the coming weeks, enabling integration testing and performance validation within leading quantum computing programs. The breakthrough addresses one of the most critical infrastructure bottlenecks facing the quantum computing industry as systems scale beyond 1,000 qubits, a milestone expected to be reached across multiple quantum computing architectures beginning in 2027. Quantum computers operate at temperatures approaching absolute zero, where even small amounts of heat can dramatically impact performance, scalability, and operating costs. Conventional semiconductor amplifiers introduce heat into the cryogenic environment, requiring additional cooling capacity and limiting system density. QuantumCore's superconducting KI-TWPA technology provides high-performance signal amplification while dissipating a fraction of the power consumed by semiconductor alternatives. "This breakthrough marks a major milestone for QuantumCore and validates our strategy of building the critical infrastructure required to scale quantum computing," said Eugene Profis, Chairman and Chief Executive Officer of QuantumCore. "As quantum processors move beyond 1,000 qubits and toward fault-tolerant systems, heat management and physical space inside cryogenic environments become increasingly important challenges. We believe our KI-TWPA platform is uniquely positioned to address both." The successful demonstration of the technology also enables QuantumCore to begin formal engagement with foundry partners for future volume manufacturing. Discussions are expected to focus on establishing scalable fabrication processes capable of supporting growing demand from quantum computing companies as the industry transitions from research-scale systems to commercial deployment.
Jun 16, 2026 · via newsfilecorp.com
China has achieved mass production of ultra-pure silicon, according to the state-owned China National Nuclear Corporation (CNNC) — an essential material for building silicon-based quantum computers. The breakthrough builds on a government push to sharpen its...
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Jun 16, 2026 · via digitimes.com
Off the Wire Press Releases As practical quantum computing edges closer, global leaders begin making plans to demonstrate its advantages June 15, 2026 — With the first practical quantum computers expected to arrive in about two years’ time, global quantum computing leaders are thinking about how these systems should first be deployed for the largest scientific impact. This spring, the Department of Energy’s Pacific Northwest National Laboratory (PNNL) brought together quantum computing leaders for the second annual Quantum Computing for Chemistry workshop, organized by the PNNL Quantum Algorithms and Architecture for Domain Science (QuAADS) initiative. Karol Kowalski, director of QuAADs and an expert in advanced computational chemistry, opened the event with a challenge to the assembled group: identify scalable and adaptive algorithms capable of operating across varying system sizes and qubit counts to solve practical problems. Participants explored how near-term quantum computing and hybrid quantum-classical computing can deliver early demonstrations of utility for solving complex chemistry and materials science problems. Bindu Nair, Associate Director of DOE’s Office of Science Basic Energy Sciences program, addressed the role of DOE in supporting quantum computing and driving its advancement globally. Quoting DOE Undersecretary for Science Dario Gil, she said that “we are at an inflection point in computing and because of that we are going to be able to do science in ways that have never been done before.” “The charge to you,” she added, “is to come up with what the parameters need to be to make a quantum computer useful to this community so that you can demonstrate something useful in quantum chemistry.” DOE has made a large investment in quantum computing through the National Quantum Initiative and its Quantum Centers, she added. Now that it is coming close to paying off, the hard part begins. Up Next for Quantum Chemistry
Jun 16, 2026 · via hpcwire.com
Cybersecurity firm DigitalXForce Corporation has announced the immediate commercial availability of its Enterprise TRiSCM™ (Trust, Risk, and Security Management) platform, a unified operating layer designed to manage multi-tenant compliance, automated governance, and systems resilience. Moving beyond traditional Governance, Risk, and Compliance (GRC) frameworks that rely on periodic, point-in-time assessments, the platform introduces continuous control assurance mechanisms optimized to handle the infrastructure fragmentation caused by Generative AI, agentic workflows, and cloud-to-edge environments. The platform’s release introduces specialized modules tailored to automate compliance tracking and operationalize security monitoring under a single risk intelligence framework. Cryptographic Discovery and the Quantum Risk Operations Center A central component of the new architecture is Q-ROC™ (Quantum Risk Operations Center), a specialized dashboard designed to track organizational exposure to upcoming cryptographic vulnerabilities. The operations hub automates the generation of a continuous cryptographic inventory, cataloging legacy public-key algorithms across corporate networks that are vulnerable to decryption by cryptographically relevant quantum computers. By evaluating system data lines and cloud boundaries, Q-ROC scores infrastructure readiness against “harvest-now, decrypt-later” (HNDL) data collection strategies. The module provides continuous post-quantum readiness benchmarking and executive trust reporting, allowing risk management teams to track compliance as they transition toward post-quantum cryptography (PQC) standards. AI-SPM and Continuous Runtime Monitoring Operations In parallel with its quantum-readiness sub-systems, the platform incorporates an AI TRiSCM module to govern large language models (LLMs) and distributed machine learning supply chains. This module combines shadow AI detection algorithms with AI Security Posture Management (AI-SPM) hooks to monitor enterprise data flows and detect unauthorized AI integrations in real time. The automated control layer applies risk-quantification metrics to AI processing environments, ensuring that model deployment configurations comply with evolving global data-privacy mandates. This structural monitoring links directly into DigitalXForce’s broader Enterprise Security & Risk Posture Management (ESRPM) architecture, which leverages intelligent agents to autonomously
Jun 16, 2026 · via quantumcomputingreport.com
What is Helium-3 and could we get it from the moon? One of the most valuable assets owned by Lancaster University is stored in beer kegs. But it's not in one of the student bars. In a carefully locked laboratory rows of metal kegs are arranged on shelves and linked together with spindly copper pipework. The containers aren't loaded with prize beer but rather a gas called helium-3, one of the most expensive materials in the world. A single litre costs roughly $2,000 (£1,500), though the price can fluctuate. "The lab has been going for 50 years or so. Back then, the helium was quite cheap," says Dima Zmeev, senior lecturer. "Our very wise predecessors stocked up." In the near future, more people could be looking to build up such a stockpile. Helium-3 has applications in quantum computing and nuclear fusion. However, the main source of it today is tightly controlled – it comes from nuclear weapons. Specifically, from the decay of tritium, a form of hydrogen, inside those weapons. Around the world, tens of thousands of litres of helium-3 are likely to be produced this way every year, estimates David McCollum, distinguished scientist at Oak Ridge National Laboratory in Tennessee. But future demand could far exceed that supply. Some entrepreneurs and researchers say we need new sources of helium-3. It exists in the ground, though generally at very low concentrations. However, samples of moon dust, or regolith, from the Apollo missions suggest it may be present there at relatively high concentrations. As such, plans are now afoot to recover helium-3 from the moon. Helium-3 is an isotope of helium, defined by the number of neutrons in the atom's nucleus. Helium-4, with one additional neutron, is the comparatively cheap version – a gas that fills children's party balloons. Zmeev uses
Jun 16, 2026 · via bbc.com
June 16, 2026 Six UCalgary researchers appointed new Canada Research Chairs Six University of Calgary researchers have been appointed as new Canada Research Chairs as part of a $9.7-million federal investment to UCalgary announced by the Government of Canada on May 13. “Investing in Canada’s top researchers and professors is an investment in our students today, and our present and future prosperity,” Karim Bardeesy, parliamentary secretary to the Minister of Industry, said in a media release. “Across Canada, these investments are building a strong pipeline of talent equipped to take on tomorrow’s challenges and contribute to a more innovative and inclusive economy.” The new Canada Research Chairs represent a diverse range of expertise and research priorities. “These new Chair appointments reflect the extraordinary talent and ambition of our research community,” says Dr. William Ghali, vice-president (research). “I’m excited to see how their work will push the boundaries of knowledge and deliver real impact in areas that matter deeply to society.” To gain insight into their work and its potential impact, we asked each chairholder one question: “What are you most excited about in your research program?” Dr. Javier Alfaro, PhD, Cumming School of Medicine Canadian Institutes of Health Research Tier 2 Canada Research Chair in Precision Immunotherapy Courtesy of Javier Alfaro “I am most excited about building a multidisciplinary research program at the University of Calgary that uses bioinformatics and artificial intelligence to advance precision immunotherapies for cancer and infectious diseases. This Canada Research Chair provides an opportunity to link expertise across the university, including computational biology, immunology, oncology, engineering, data science, microbiology, and clinical research, to address questions that no single discipline can solve alone. “My program will focus on understanding how the immune system recognizes cancers and infections, why some patients respond to immunotherapy while others do not,
Jun 16, 2026 · via ucalgary.ca
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Jun 15, 2026 · via youtube.com
Earlier this month, JetBlue Airways announced a multi-year extension of its partnership with the Florida Panthers, alongside continued route expansion and higher daily departures from Fort Lauderdale-Hollywood International Airport and West Palm Beach. These growth and branding moves come just as S&P Global cut JetBlue’s credit rating to CCC+ and prominent investor Carl Icahn reduced his stake, sharpening focus on the airline’s financial resilience. With S&P’s downgrade highlighting concerns about JetBlue’s capital structure, we’ll now examine how this development affects its investment narrative. To own JetBlue today, you have to believe its network expansion, loyalty ecosystem and cost initiatives can eventually overcome persistent losses and a stretched balance sheet. The S&P downgrade to CCC+ pulls the near term focus squarely onto liquidity and debt sustainability, while fuel costs and competitive pressure remain central risks. Icahn’s reduced stake adds to the debate around financial resilience but does not by itself change the core thesis or the importance of execution on costs. The extended partnership with the Florida Panthers, combined with accelerated growth out of Fort Lauderdale and West Palm Beach, ties directly into JetBlue’s core catalyst of deepening relevance in key leisure markets. Higher daily departures and added Latin America flying support the idea of capital light growth that could improve unit economics if demand holds up, while the expanded brand presence keeps JetBlue front of mind for South Florida travelers at a time when every incremental passenger matters. Yet while these brand and route wins may appeal to long term holders, investors should still pay close attention to the risks around... Some of the lowest ranked analysts take a far gloomier view than the consensus, even before this news, with projections that include US$11.2 billion of revenue and US$561.9 million of earnings by 2029 only supporting a price target of
Jun 15, 2026 · via simplywall.st
Newswise — With the first practical quantum computers expected to arrive in about two years’ time, global quantum computing leaders are thinking about how these systems should first be deployed for the largest scientific impact. This spring, the Department of Energy’s Pacific Northwest National Laboratory brought together quantum computing leaders for the second annual Quantum Computing for Chemistry workshop, organized by the PNNL Quantum Algorithms and Architecture for Domain Science (QuAADS) initiative. Karol Kowalski, director of QuAADs and an expert in advanced computational chemistry, opened the event with a challenge to the assembled group: identify scalable and adaptive algorithms capable of operating across varying system sizes and qubit counts to solve practical problems. Participants explored how near-term quantum computing and hybrid quantum-classical computing can deliver early demonstrations of utility for solving complex chemistry and materials science problems. Bindu Nair, Associate Director of DOE’s Office of Science Basic Energy Sciences program, addressed the role of DOE in supporting quantum computing and driving its advancement globally. Quoting DOE Undersecretary for Science Dario Gil, she said that “we are at an inflection point in computing and because of that we are going to be able to do science in ways that have never been done before.” “The charge to you,” she added, “is to come up with what the parameters need to be to make a quantum computer useful to this community so that you can demonstrate something useful in quantum chemistry.” DOE has made a large investment in quantum computing through the National Quantum Initiative and its Quantum Centers, she added. Now that it is coming close to paying off, the hard part begins. Up next for quantum chemistry Meeting participants spent two days investigating how and when a quantum calculation could solve complex problems in chemical conversions, materials science, energy storage
Jun 15, 2026 · via newswise.com
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Jun 15, 2026 · via youtube.com
Researchers around the world are racing to develop new quantum-based systems for sensing, communication, computing, and control that have the promise of outperforming traditional systems. Creating stable, measurable, distinguishable quantum states, which would be the heart of any such system, is a daunting task. Quantum states possess unique properties that can be exploited for developing novel information processing systems. Two key properties, stability and distinguishability, are hard to achieve, however. Extracting information from a quantum system depends on the distinguishability of quantum states, an intrinsic property associated with a property known as orthogonality. Nevertheless, no two Gaussian states (a widely studied class of quantum states) are orthogonal, and this yields an unavoidable error when attempting to distinguish them. In addition, present quantum devices tend to remain stable only for a fraction of a second, and require complex protocols to distinguish states. Now, researchers at MIT and the University of Ferrara have found a new approach for creating easily distinguishable states that could help to enable the development of these new quantum-based devices. The new approach is described in a paper published today in the journal Physical Review A, by Moe Z. Win and Peter L. Falb at MIT with Andrea Giani and Andrea Conti at the University of Ferrara. The team found a way of translating between quantum states of light and algebraic varieties (a mathematical structure from abstract algebra), making the analysis more manageable by reducing it to solvable mathematical equations. “Quantum systems can provide performance that is significantly better than classical counterparts,” Win says, “but this doesn’t come for free.” To develop practical devices for producing and detecting different states, “one needs to carefully engineer the quantum states in which they encode information.” Traditional computers typically use different voltages in a solid-state device to encode ones and zeros,
Jun 15, 2026 · via news.mit.edu
A new method for efficiently preparing thermal states is enabling advances in fields from materials science to machine learning. Andrew Wright and colleagues at the Institute of Physics, in collaboration with Chulalongkorn University and Keio University, have developed a technique termed double-bracket thermofield double (DB-TFD) that uses double-bracket quantum algorithms to simulate thermofield double states and realise Gibbs states. The poly DB-TFD algorithm’s complexity scales favourably with inverse temperature, consistent with established techniques and confirmed by numerical simulations. Moreover, the team demonstrates DB-TFD’s potential in quantum Boltzmann machines, achieving improved performance compared with existing variational methods, and providing a strong pathway for thermal state preparation on near-term and early-fault-tolerant quantum computers. Exponential scaling unlocks thermal state preparation for complex quantum systems The poly DB-TFD algorithm now demonstrates a query complexity scaling exponentially with inverse temperature, a substantial improvement over earlier methods limited to polynomial scaling in practical regimes. Validated by numerical simulations, this exponential scaling unlocks the potential to prepare thermal states for larger, more complex systems previously inaccessible to quantum computation. Dr. Alastair Peoples and Professor Andrew Green, alongside Dr. Patrick Draper, employed a technique called double-bracket thermofield double (DB-TFD) to simulate thermofield double states, effectively creating ‘hot’ and ‘cold’ copies of a system to realise Gibbs states, crucial for modelling thermal equilibrium. Thermofield double states are a cornerstone of quantum statistical mechanics, representing a system and its replica in a fictitious Hilbert space, allowing for the elegant formulation of thermal properties. The Gibbs state, describing the probability distribution of a system in thermal equilibrium at a given temperature, is central to understanding macroscopic behaviour from microscopic quantum principles. A polynomial transformation approximating imaginary-time evolution underpins the approach, reducing the computational steps needed for thermal state creation and offering a viable pathway for both near-term and early fault-tolerant quantum
Jun 15, 2026 · via quantumzeitgeist.com
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Jun 15, 2026 · via youtube.com
Oxford physicists just made Schrödingerâs cat even stranger - Date: - June 15, 2026 - Source: - University of Oxford - Summary: - Oxford physicists have created an entirely new type of Schrödingerâs cat-like quantum state using components that are themselves highly quantum in nature. The advance could open new possibilities for more resilient quantum computers and deeper insights into the strange rules that govern the quantum universe. - Share: Researchers at the University of Oxford have created a new type of quantum superposition, a phenomenon often associated with the famous Schrödinger's cat thought experiment. Unlike previous versions, these newly demonstrated states are built from highly nonclassical quantum components. The achievement could help advance quantum computing beyond traditional binary systems, improve sensing technologies, and provide new insights into the foundations of quantum physics. One of the most surprising features of quantum mechanics is that objects can exist in multiple states simultaneously. This concept is commonly illustrated by Schrödinger's cat, a hypothetical cat that is considered both alive and dead until it is observed. While the thought experiment is fictional, scientists routinely create real quantum superpositions in the laboratory. Atoms, light, and even motion can be placed into multiple quantum states at once. The ability to generate and control these states is critical for technologies such as quantum computers and ultra-precise clocks. A familiar example is a quantum bit, or qubit, which can exist in a combination of both 0 and 1 at the same time. However, quantum systems are capable of much more than two-state behavior. Quantum harmonic oscillators, which can occupy many energy levels, offer a far richer set of possibilities. These oscillators describe a wide range of physical systems, including light, vibrations, and the motion of trapped particles. Scientists have used them to create many different kinds of
Jun 15, 2026 · via sciencedaily.com
Google quantum breakthrough sharpens Ethereum threat Google Quantum AI researchers have lowered the estimated number of logical qubits needed to break Ethereum’s account security to about 1,200, down from previous estimates in the tens of thousands. The revised estimate, published in March 2026, has intensified concerns that quantum computing threats to blockchain networks may arrive sooner than previously expected, with Google adopting a 2029 deadline to migrate its own systems. Ethereum is currently the only major blockchain network with a dedicated post-quantum security team, reflecting growing efforts to prepare for advances in quantum hardware. Ethereum’s reliance on the Elliptic Curve Digital Signature Algorithm means a sufficiently powerful quantum computer could potentially derive private keys from publicly exposed wallet addresses and gain access to funds. The Ethereum Foundation established its Post-Quantum Security team in January 2026, launched the $1 million Poseidon Prize research initiative, and is evaluating EIP-8141, which would allow users to adopt alternative signature schemes through account abstraction. The network is targeting full post-quantum readiness by around 2029, while its Kohaku project already enables users to create quantum-resistant smart accounts using the ERC-4337 standard without requiring a hard fork. Although significant engineering challenges remain before quantum computers reach the required scale, Ethereum’s preparations stand in contrast to other major blockchains including Bitcoin and Solana, which face similar cryptographic vulnerabilities but have yet to announce comparable security roadmaps. At the time of reporting, Ethereum price was $1,716.49.
Jun 15, 2026 · via grafa.com
Ethereum eyes 7-cent quantum account protection Ethereum could introduce post-quantum protection for user accounts at a cost of roughly $0.07 per account under a new proposal from Ethereum Foundation Kohaku project lead Nicolas Consigny. Consigny outlined a framework called SPHINCS-, which adapts the SPHINCS+ post-quantum signature standard developed by the National Institute of Standards and Technology to operate more efficiently on Ethereum. The proposal aims to reduce onchain verification costs while avoiding the need for a protocol upgrade, hard fork or specialised precompile, potentially allowing quantum-resistant protections to be deployed sooner than more comprehensive network changes. Consigny described SPHINCS- as an interim solution that could eventually lead to a more advanced system known as leanSPHINCS, which seeks to lower verification costs further through signature aggregation techniques. The initiative is designed to address the long-term threat that quantum computers may pose to Ethereum’s current elliptic curve cryptography, which secures user accounts and transactions across the network. Interest in post-quantum security has grown across the cryptocurrency industry following recent demonstrations of quantum computing capabilities, including research by Giancarlo Lelli, who successfully used a quantum computer to break a 15-bit elliptic curve key. While modern cryptocurrency networks use significantly stronger 256-bit encryption, researchers continue to explore mitigation strategies because a sufficiently powerful quantum computer could theoretically compromise existing cryptographic systems through algorithms such as Shor’s algorithm. According to Glassnode, approximately 1.92 million Bitcoin are considered structurally vulnerable in a future quantum attack scenario, while an additional 4.12 million BTC face operational risks linked to address and key management practices. The proposal highlights growing efforts within both the Ethereum and Bitcoin communities to prepare for future advances in quantum computing long before the technology becomes capable of threatening current blockchain security standards. At the time of reporting, Ethereum price was $1,718.88.
Jun 15, 2026 · via grafa.com
Quobly secures €115M to advance silicon-based quantum computers The French company, bringing semiconductor-grade manufacturing and industrialization to quantum computing, plans to deploy its first commercial quantum computer through the cloud by the end of 2026 under its Alloy product line. Quobly has announced the closing of a EUR115 million Series A financing to accelerate the industrialization of its silicon-based quantum computers and bring its first commercial product to market by the end of 2026, the French quantum computing company said. The round is led by Bpifrance, SEALSQ and STMicroelectronics, with participation from the European Innovation Council (EIC Fund), Blast, ALIAD (Air Liquide Venture Capital) and existing investor Innovacom, bringing together leading industrial, sovereign and deeptech investors. Existing shareholders also include the CEA, CNRS, Quantonation and Supernova Invest. Long-time investor Bpifrance is participating through the Deep Tech 2030 fund, managed on behalf of the French government as part of the France 2030 initiative. This financing will support continued R&D, industrialization efforts and international commercial expansion. Quobly, bringing semiconductor-grade manufacturing and industrialization to quantum computing, plans to deploy its first commercial quantum computer through the cloud by the end of 2026 under its Alloy product line, the company said. “Over the past two years, we have demonstrated that silicon qubits can be developed within semiconductor manufacturing processes and integrated into a system architecture,” said Maud Vinet, CEO and co-founder, Quobly. “With this Series A, we are accelerating the deployment of our first commercial systems and building a quantum computing platform designed to integrate into existing computing infrastructures.” “We are leveraging years of shared expertise in FD-SOI and deep technological collaboration to accelerate the commercialization of Quobly’s products thanks to a 300mm silicon fab environment,” said Laurent Malier, Executive Vice President, Global Technology R&D, STMicroelectronics. “ST’s investment in Quobly further demonstrates our commitment
Jun 15, 2026 · via evertiq.com
With antibiotic resistance on the rise, scientists have been looking for alternative ways to fend off bacterial infections. A novel antibacterial strategy using quantum dots made of graphene could take antibiotics completely out of the equation. Under low-intensity blue light, the quantum dots were able to eliminate over 99.9% of S. aureus and E. coli bacteria, including strains resistant to multiple types of antibiotics. Over the past three decades, very few new antibiotics have been discovered and approved, and most are only slight variations of existing drugs. This has left the world’s population increasingly vulnerable to the rapid rise of antibiotic resistance. “The World Health Organization (WHO) warned about the impending ‘post-antibiotic’ era, where even minor injuries and ordinary bacterial infections may prove fatal,” writes Sedat Nizamoğlu, professor at Koç University in Istanbul. “This phenomenon is a direct consequence of the growing prevalence of antibiotic resistance among bacteria.” Facing this growing crisis, Nizamoğlu and colleagues decided to take a different approach. Instead of searching for new antibiotics, they turned to a quantum-based solution to fight antibiotic-resistant bacteria. Quantum killers Quantum dots are structures so small—just about a few dozen atoms wide—that they are able to trap electrons inside. This allows them to absorb and emit light at very specific wavelengths, making quantum dots popular across a wide range of applications including screen displays, solar panels, and quantum computers. In this case, light emitted by the quantum dots reacts with oxygen to create highly reactive molecules that are toxic to bacteria. Known as reactive oxygen species, these molecules damage the cell wall that protects bacteria and disrupt their antioxidant defenses, making them effective against a broad range of bacteria. While the idea of using quantum dots to kill bacteria is not entirely new, earlier attempts have faced some major limitations. A
Jun 15, 2026 · via advancedsciencenews.com