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科学家揭示“蜂源纳米水凝胶”可替代抗生素,促进细菌感染伤口修复
Huan Qiu Wang Zi Xun· 2025-07-15 13:14
Core Viewpoint - The research team from the Chinese Academy of Agricultural Sciences has developed a novel multifunctional nanogel that combines natural bee products with advanced materials, providing an antibiotic-free and effective solution for chronic wound management, published in the Chemical Engineering Journal on July 8, 2025 [1][8]. Group 1: Research and Development - The innovative team focused on the interdisciplinary integration of "natural bee products + advanced materials" to address the rising global issue of bacterial resistance and chronic wound healing [1]. - The new nanogel exhibits multiple functions, including antibacterial, anti-inflammatory, antioxidant, and wound healing properties, paving a new path for functional medical materials based on bee products [1][4]. Group 2: Composition and Mechanism - The active ingredient, 10-hydroxy-2-decenoic acid (10-HDA), is a key molecule in royal jelly, known for its therapeutic properties, but its hydrophobic nature limits its bioavailability [3]. - To enhance the stability and release efficiency of 10-HDA, the team employed a "nano-delivery + sustained release" strategy, utilizing carbon dots (CDs) as carriers to improve the bioactivity of 10-HDA [3][4]. Group 3: Performance and Efficacy - The developed 10-HDA@CDs@HON/SA-DA multifunctional hydrogel demonstrated significant healing effects in a mouse model of Staphylococcus aureus infection, accelerating wound closure and improving healing quality [6]. - The hydrogel promotes angiogenesis, fibroblast activity, and reduces inflammation, while also restoring the balance of epidermal keratinocyte subpopulations and activating key regeneration signaling pathways [6][8].
两岸青年研习直播电商 在共觅机遇中融合发展
Huan Qiu Wang Zi Xun· 2025-07-15 12:16
Core Insights - The event "Ningbo-Taiwan E-commerce Live Streaming Creation Camp" was held to explore new opportunities in live streaming e-commerce for youth from both sides of the Taiwan Strait [3][4] - The local live streaming industry in Jiangbei District is robust, with the Qianyang Live Streaming Center gathering 1,500 influencers and achieving annual sales exceeding 60 billion yuan [3] Group 1: Event Overview - The two-day event featured tailored courses for Taiwanese participants, focusing on practical skills such as "opening lines in the golden 3 seconds" and "popular product tagging strategies" [3] - Participants engaged in hands-on practice, with Taiwanese youth acting as "food streamers" to promote local products, achieving nearly 1,000 yuan in sales during a 50-minute live session [3] Group 2: Industry Insights - The integration of AI tools in live streaming was highlighted as a new approach for Taiwanese cultural products to connect with the mainland market [3] - The local government emphasized the importance of live streaming e-commerce as not only a business opportunity but also a bridge for youth from both sides to connect [4]
探索电池奥秘 2025巴斯夫科普活动“小小化学家”北京站启动
Huan Qiu Wang Zi Xun· 2025-07-15 11:05
Group 1 - BASF's "Little Chemist" public welfare activity is being held at the China Science and Technology Museum from July 15 to July 20, targeting children aged 6 to 12 [1][3] - Over the past 20 years, BASF has hosted the "Little Chemist" program in China, benefiting more than 210,000 school-age children by providing a classroom that combines scientific, fun, and educational elements [1] - This year, the program has launched new experiments titled "The Mystery of Batteries" and "Electrolytic Magic Exploration," each lasting approximately 45 minutes [1] Group 2 - The "Little Chemist" program represents a collaboration between the China Science and Technology Museum and BASF, emphasizing the importance of scientific education [3] - Beijing was the first stop for the "Little Chemist" program in China over 20 years ago, highlighting its historical significance [3] - BASF aims to continue enriching the science popularization ecosystem through the "Little Chemist" project by collaborating with like-minded partners [3]
脑机接口与科技自强•智能创新与未来趋势专题论坛在京举办
Huan Qiu Wang Zi Xun· 2025-07-15 10:45
Core Insights - The forum focused on the strategic significance of brain-computer interface (BCI) technology in future technological development and industrial transformation [1] - Nearly a hundred experts and scholars from various fields participated, discussing the latest research and clinical applications of BCI technology [1] Group 1: Forum Overview - The 27th China Association for Science and Technology Annual Conference featured a specialized forum on brain-computer interfaces and intelligent innovation [1] - The forum was hosted by the China Association for Science and Technology and organized by the Chinese Rehabilitation Medicine Association [1] Group 2: Key Presentations - Zhao Jizong from the Chinese Academy of Sciences presented on clinical experimental research related to BCIs [3] - Yan Tianyi from Beijing Institute of Technology discussed non-invasive neural modulation technologies and their applications [5] - Liu Hesheng, Chief Scientist at Changping Laboratory, reported on brain function localization and regulation [5] - Chen Xun from the University of Science and Technology of China presented on multi-source neural signal computation [7] - He Huiguang from the Chinese Academy of Automation discussed visual restoration and reconstruction based on BCIs [7] - Shan Chunlei, Dean of the Rehabilitation Research Institute at Shanghai Jiao Tong University, shared insights on the empowerment of functional rehabilitation through BCIs [9] - Li Yuanqing from South China University of Technology highlighted BCIs as a frontier technology benefiting humanity [9] - Wu Wen from Southern Medical University discussed the application of BCI technology in motor rehabilitation [11] Group 3: Expert Discussions - Following the main presentations, experts engaged in discussions on topics such as the accuracy of neural signal encoding and decoding, the development of invasive and non-invasive BCIs, and the standardization of BCI technology [20] - The discussions also covered the exploration of talent cultivation models for BCI technology [20]
化工生态环境前沿交叉新技术专题论坛在京举办
Huan Qiu Wang Zi Xun· 2025-07-15 10:45
Core Viewpoint - The 27th China Association for Science and Technology Annual Conference focused on the intersection of chemical processes and ecological environment, promoting sustainable development and collaborative innovation in these fields [1][7]. Group 1: Forum Highlights - The forum featured discussions on industrial intelligence and challenges in new pollutant research by academicians from the Chinese Academy of Sciences [3]. - Key presentations included advancements in flue gas carbon capture technology, conductive separation membranes for water treatment, and separation membrane technology for atmospheric pollutant control [3][5]. - The forum also addressed solid waste utilization and pollution control to support the construction of "waste-free cities" and coordinated carbon reduction efforts [3][5]. Group 2: Expert Insights - Experts analyzed carbon reduction and resource utilization, discussing the development trends of cutting-edge technologies in the chemical industry under the context of carbon neutrality [5]. - Presentations covered topics such as intelligent management of water systems in industrial parks under low-carbon constraints and the application of synthetic biology in environmental remediation [5]. - Various researchers presented on advanced topics including thermochemical treatment of chemical solid waste, catalytic conversion of carbon dioxide into high-value chemicals, and purification of nitrogen pollutants [5][7].
聚焦脑机接口技术发展与应用 中国科协年会举办两场专题论坛
Huan Qiu Wang Zi Xun· 2025-07-15 09:41
Group 1 - The core focus of the recent forums is on the rapid development and application of brain-computer interface (BCI) technology, highlighting its strategic significance for future technological advancements and industry transformation [1][3]. - The first forum, titled "Brain-Computer Interface and Technological Self-Reliance: Intelligent Innovation and Future Trends," featured discussions on cutting-edge research, core technological breakthroughs, and the strategic implications of BCI for future technology and industry changes [3]. - Experts presented various reports on topics such as clinical research, brain function localization, non-invasive neural modulation techniques, and the application of BCI in visual restoration and rehabilitation [3][6]. Group 2 - The second forum, "Innovative Applications and Strategic Exploration of Brain-Computer Interfaces in Rehabilitation," focused on the breakthroughs and clinical applications of BCI technology in neuro-rehabilitation and functional recovery [6]. - Discussions included the enhancement of rehabilitation outcomes, improvement of patient quality of life, and the innovative transformation of rehabilitation medicine through BCI technology [6]. - Experts emphasized that BCI represents not just a technological innovation but a revolutionary shift in rehabilitation medicine, redefining the boundaries of functional recovery possibilities [4][6].
护航天舟九号发射 中国电科编织飞天“测控通信网”打造“能源矩阵”
Huan Qiu Wang Zi Xun· 2025-07-15 08:21
Group 1 - China successfully launched the Tianzhou-9 cargo spacecraft on July 15, 2023, from the Wenchang Space Launch Site in Hainan [1] - China Electronics Technology Group Corporation (CETC) developed a highly autonomous and stable measurement and control communication network to ensure the successful delivery of cargo to space [1] - The new generation of land-sea-air measurement and control communication system developed by CETC is crucial for tracking the spacecraft's trajectory and providing real-time data [1][2] Group 2 - CETC's radar measurement system enhances safety and reliability by providing accurate tracking of the rocket's ascent, regardless of weather conditions [2] - The semi-rigid solar cell array developed by CETC's Blue Sky division is a high-voltage, megawatt-level product that reduces operational temperature, enabling efficient cargo transport to space [2] - The satellite communication system created by CETC ensures seamless data transfer between Tianzhou-9 and ground control, facilitating real-time command and data transmission [2] Group 3 - CETC's 23rd Institute developed lightweight, compact, and highly reliable aerospace cables that can withstand extreme conditions in space, ensuring effective signal transmission [3] - The 55th Institute of CETC produced various core chips and power amplifier modules to establish a reliable information transmission link between the spacecraft and ground terminals [3]
瑞银拆解分析:苹果iPhone Fold成本较三星低4%,定价或下探至1800美元
Huan Qiu Wang Zi Xun· 2025-07-15 08:02
Core Insights - UBS's report indicates that Apple's first foldable phone, iPhone Fold, has a Bill of Materials (BoM) cost of $759, which is approximately 4% lower than Samsung's Galaxy Z Fold SE at $790 [1][2] - Apple has managed to reduce costs through optimization of key components such as memory, processor, and camera modules, despite using higher-cost materials for the casing and hinge [1][2] Cost Structure - The iPhone Fold features an aerospace-grade titanium alloy frame and a liquid metal hinge, which are 15%-20% more expensive than Samsung's aluminum and steel hinge, but assembly costs have been reduced by 8% through integrated precision manufacturing [2] - The device is expected to include 8GB LPDDR6 memory and 512GB UFS 4.0 storage, with unit costs 12% lower than Samsung's equivalent offerings due to long-term agreements with suppliers [2] - The A20 Bionic chip, based on TSMC's 3nm process, has a cost 9% lower than Samsung's Exynos 2500 due to architectural optimizations [2] - The camera module features a dual-camera design with 48MP, which is 18% cheaper than Samsung's Galaxy Z Fold SE's triple-camera setup [2] Pricing Strategy - UBS predicts that Apple will adopt a "high-end anchoring + flexible pricing" strategy, with the base model priced between $1800 and $2000, representing a 12%-25% premium over Samsung's Z Fold SE [3] - The high-end model is expected to be priced between $2200 and $2400, targeting the luxury electronics market [3] - If priced at $1800, the iPhone Fold could achieve a gross margin of 58%, which is significantly higher than the iPhone 16 series (approximately 45%-50%) and comparable to Samsung's Galaxy Z Fold series (55%-60%) [3] Production and Release Timeline - The initial production of the iPhone Fold is estimated to be between 10 million and 15 million units, accounting for 5%-7% of Apple's annual smartphone sales [3] - The iPhone Fold, potentially named iPhone Ultra Fold, has entered the New Product Introduction (NPI) phase at Foxconn and is expected to launch in the fall of 2026 alongside the iPhone 18 series [3]
分析师称苹果首款折叠iPhone锁定三星方案 2026年量产铰链供应商或成最大赢家
Huan Qiu Wang Zi Xun· 2025-07-15 08:02
Group 1 - Apple has officially decided to abandon its self-developed folding screen technology and will adopt Samsung Display's "no crease" display solution, with plans to mass-produce its first folding iPhone in the second half of 2026 [1] - The core goal of this technology shift is to address the long-standing "crease" issue associated with folding screens. Samsung's solution includes a metal support plate hinge designed by Fine M-Tec, which utilizes laser drilling technology to achieve micron-level structural design, controlling the crease width to within 0.01 millimeters [1] - Fine M-Tec is expected to start mass production of the hinge in the first quarter of 2026, with an estimated annual shipment volume of 13 to 15 million units. The actual demand for this component will be significantly higher than the terminal sales of the folding iPhone due to assembly yield and after-sales service needs [1] Group 2 - The first folding iPhone is reported to feature a horizontal "book-style" design, with an 8-inch display that boasts a 4K resolution, comparable to the display quality of the iPad mini [2] - The device will be equipped with the same TSMC 2nm A20 chip as the iPhone 18 Pro, a 5000mAh battery, and will integrate a Touch ID sensor into the power button to save internal space [2] - The starting price of the folding iPhone is predicted to exceed 15,000 RMB, making it the most expensive smartphone in Apple's history [2]
田坎上办起“AI红色展”!这群大学生用新技术“唤醒”老记忆
Huan Qiu Wang Zi Xun· 2025-07-15 07:56
Core Viewpoint - The article highlights the integration of AI technology in preserving and promoting the red cultural heritage of Shijia Village, Sichuan Province, through a series of initiatives led by a team of university students, showcasing the importance of cultural memory in rural revitalization [1][10]. Group 1: Exhibition and Community Engagement - The "AI Red Memory Exhibition" in Shijia Village features AI-restored military medals and photographs of veterans, bridging historical narratives with contemporary life [1][2]. - The "Xiangyin Rongmeng Team" from Chengdu Industrial Vocational Technical College has been working in Shijia Village for two years, initially conducting a photography exhibition and later evolving their focus to digital preservation of red memories [2][10]. - The team provided free portrait sessions for veterans and villagers, using AI technology to recreate their youthful images in military uniforms, fostering a connection between individual memories and national history [3][9]. Group 2: Oral History and Digital Archiving - The students conducted in-depth interviews with veterans and local leaders, capturing oral histories that reflect the spirit of perseverance and cultural transmission [6][8]. - All oral histories were systematically organized into a "Digital Archive of Shijia Village Red Memories," ensuring the preservation of historical voices through advanced AI transcription and analysis [8][9]. Group 3: Cultural and Economic Revitalization - The initiative represents a shift from economic support to cultural enrichment, emphasizing the role of technology in safeguarding the village's red heritage [10][12]. - The project aims to inject cultural vitality into rural revitalization efforts, highlighting the significance of spiritual and cultural resources alongside economic development [10][12].