磁共振成像(MRI)
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美国IPO一周回顾及前瞻:上周有10家企业上市(含1家中概股),12家企业递交申请
Sou Hu Cai Jing· 2025-12-15 07:59
Core Insights - The U.S. IPO market saw four companies go public and six SPACs listed last week, with eight companies filing for IPOs and four for SPACs [1][4]. Group 1: IPO Highlights - Wealthfront (WLTH) priced at the upper end of its range, raising $485 million with a market cap of $2.6 billion, targeting young "digital-first" customers and boasting over 1.3 million paying clients and $88.2 billion in assets by July 2025 [1]. - Lumexa (LMRI) raised $463 million with a market cap of $1.8 billion, operating 184 outpatient imaging centers across 13 states, and has a high leverage ratio of 3.7 times [2]. - Cardinal Infrastructure (CDNL) raised $242 million with a market cap of $769 million, focusing on utility installation services in the Southeastern U.S. with a backlog valued at $646 million [3]. - JM Group (JMG) raised $15 million with a market cap of $79 million, specializing in merchandise sourcing for various retail categories [3]. Group 2: SPAC Highlights - Six SPACs completed pricing last week, including Meshflow Acquisition (MESHU) and Karbon Capital Partners (KBONU), each raising $300 million targeting blockchain infrastructure and energy sectors respectively [4]. - Other SPACs included Daedalus Special Acquisition (DSACU) raising $225 million for consumer-facing AI and technology, and Twelve Seas III (TWLVU) raising $150 million for investments in oil and gas companies outside the U.S. [4]. Group 3: Upcoming IPOs - Medline (MDLN) plans to raise $5 billion at a market cap of $37.3 billion, focusing on medical supplies distribution, facing recent tariff pressures [8]. - Andersen (ANDG) aims to raise $165 million at a market cap of $1.74 billion, providing tax and advisory services with a 15% CAGR since 2003 [8].
别怕AI抢工作!YC总裁揭秘「技术越强,人类越忙」的经济悖论
3 6 Ke· 2025-11-27 07:39
Core Insights - The discussion around AI often presents two extreme views: one predicting massive job losses and the other downplaying AI's impact on the economy. The reality is more nuanced and hopeful [2][4][6] - Garry Tan, CEO of Y Combinator, emphasizes that AI will reshape labor and innovation, increasing the demand for human creativity and judgment rather than eliminating jobs [2][4] Group 1: AI and Employment - There is a fear that AI will render human labor obsolete, with some predicting a potential unemployment rate of 10% to 20% in the next five years [4][6] - Conversely, some experts argue that AI is overhyped and will not fundamentally alter the economic landscape, suggesting that current AI is not yet capable of achieving general artificial intelligence (AGI) [6][7] Group 2: Historical Context and Economic Principles - The story of radiologists illustrates that despite advancements in AI, the demand for radiologists has actually increased, contrary to earlier predictions of job loss [7][9] - The concept of Jevons Paradox is highlighted, where increased efficiency in resource use leads to a surge in demand for that resource, as seen in various historical examples [12][15] Group 3: Future Job Landscape - As AI makes tasks cheaper and faster, the demand for specialized roles, such as radiologists and legal consultants, is expected to rise rather than fall [16][17] - Jobs may evolve from manual tasks to supervisory roles over AI systems, with many positions being redefined rather than eliminated [17][18] Group 4: Entrepreneurial Insights - The ongoing transformation driven by AI presents significant opportunities for entrepreneurs, who should not underestimate its potential impact [18][21] - The call to action for entrepreneurs is to seize the moment and create the future rather than waiting for external validation or permission [21][22]
一线专访|伍路:把肿瘤治疗“战线”往前挪
IPO日报· 2025-09-30 11:48
Core Viewpoint - Early diagnosis and treatment of tumors are crucial for improving patient outcomes, as demonstrated by the case of a patient whose tumor grew significantly due to delayed medical attention [1][4]. Group 1: Importance of Early Detection - The article emphasizes the significance of early cancer screening, particularly for liver tumors, which can lead to better survival rates if detected early [4][5]. - A case study illustrates that a patient delayed seeking treatment for four months after receiving a concerning health report, resulting in a tumor that had grown to a critical size [1][4]. - The survival rates for early-stage cancer surgeries are notably high, with five-year survival rates exceeding 70-80% and ten-year rates above 50% [4]. Group 2: Advances in Medical Technology - The article highlights the rapid advancement of medical technology, particularly MRI, which has become widely available and significantly aids in early cancer detection [5][6]. - The introduction of new treatment options, such as targeted therapies and immunotherapies, has improved the prognosis for patients with previously inoperable tumors, increasing the operable rate from 5% to 25% [8]. Group 3: Patient Engagement and Follow-Up - The importance of patient engagement is underscored, with the author advocating for direct communication with patients to monitor their health and encourage timely follow-ups [9][11]. - A personal approach to patient care, including providing personal contact information for follow-up questions, is emphasized as a way to improve patient outcomes [9][11]. Group 4: Future Aspirations - The author has set a personal goal of performing 1,000 early-stage liver cancer surgeries over ten years, aiming for a significant portion of these patients to live beyond ten years [11][12]. - The vision includes creating a supportive community for patients who have successfully navigated early cancer detection and treatment, reinforcing the message of the importance of timely medical intervention [12].
Cell子刊:舒妮/黄伟杰团队综述AI赋能多模态成像,用于神经精神疾病精准医疗
生物世界· 2025-05-26 23:57
Core Viewpoint - The integration of multimodal neuroimaging and artificial intelligence (AI) is revolutionizing the early diagnosis and personalized treatment of neuropsychiatric disorders, addressing the challenges posed by their complex pathology and clinical heterogeneity [2][6]. Multimodal Neuroimaging: A Comprehensive Brain Examination - Traditional single-modality brain examinations are limited, while multimodal imaging can decode the brain from structural, functional, and molecular dimensions, enabling early intervention [7][8]. - Structural imaging (e.g., MRI) reveals brain tissue volume and cortical thickness, functional imaging (e.g., fMRI, EEG) captures neuronal activity, and molecular imaging (e.g., PET) tracks pathological markers like amyloid proteins, providing early warnings for conditions like Alzheimer's disease [9]. AI as a Puzzle Solver - AI demonstrates three key capabilities in handling vast heterogeneous data: feature fusion (early, mid, and late fusion), deep learning models, and clinical prediction tools, significantly enhancing diagnostic accuracy [12][13]. - For instance, multimodal AI models have improved early Alzheimer's diagnosis accuracy to 92.7%, surpassing single-modality methods by over 15% [13]. Practical Achievements: AI's Impact - AI has achieved high diagnostic accuracy, distinguishing Alzheimer's from Lewy body dementia at 87% and predicting epilepsy seizures with over 98% accuracy [14]. - It can predict the efficacy of depression medications with 89% accuracy and assess cognitive decline rates [15]. - AI identified three subtypes in over 2,000 bipolar disorder patients, guiding personalized treatment approaches [16]. Challenges and Breakthroughs: Path to Clinical Application - The integration of multimodal neuroimaging data faces challenges such as data availability, heterogeneity, and AI model interpretability, compounded by issues like class imbalance, algorithm bias, and data privacy [20]. - Addressing these challenges is crucial for developing robust AI models based on multimodal neuroimaging [20]. Future Research Directions - The future of AI in neuropsychiatric disorders includes the development of transformer models for cross-modal data processing, dynamic monitoring of brain network changes, and creating lightweight models for clinical use [23][24]. - Despite significant advancements, further exploration of clinical effectiveness and usability is needed to transition from research to practical applications [24].
“倒退几十年”:千疮百孔的美国科研能熬过特朗普2.0吗?
Hu Xiu· 2025-05-08 07:13
Core Viewpoint - The Trump administration's policies are significantly undermining U.S. scientific research and funding, leading to widespread concerns about the future of science in the country [1][3][11]. Group 1: Impact on Federal Research Funding - The Trump administration has threatened to cut billions in funding for research universities and has already terminated over 1,000 grants in critical areas such as climate change and cancer research [1][20]. - The proposed 2026 budget may drastically reduce federal scientific investments, with potential cuts of 50% to NASA's science budget and 40% to the National Institutes of Health (NIH) [2][22]. - The NIH, which received nearly $48 billion in funding, is crucial for U.S. research, having funded over 99% of drugs approved from 2010 to 2019 [9][31]. Group 2: Scientific Community's Response - A public letter from approximately 1,900 members of the National Academies of Sciences, Engineering, and Medicine expressed alarm over the damage to U.S. science, with 94% of surveyed scientists worried about the future [3][37]. - The scientific community is concerned that the dismantling of federal support will lead to a significant decline in innovation and competitiveness, with many researchers considering opportunities abroad [26][27]. Group 3: Long-term Consequences - Experts warn that the damage inflicted by the Trump administration could take decades to reverse, with a significant loss of knowledge and talent in the scientific workforce [7][19]. - The reduction in federal funding is expected to hinder technological innovation, affecting industries reliant on research and development [31][32]. - The shift towards private funding may not adequately replace government support, particularly for high-cost, large-scale research projects [33][34]. Group 4: University and Research Institution Challenges - U.S. universities are facing unprecedented challenges due to funding cuts and political pressures, with many institutions already tightening graduate admissions and research funding [21][24]. - The Trump administration's stance on federal funding has created a hostile environment for research, leading to fears of a decline in the quality and quantity of scientific output [25][30]. - The potential loss of international talent is a significant concern, as many foreign researchers are reconsidering their plans to study or work in the U.S. due to the current political climate [26][27].