Results 121 to 130 of about 1,361,088 (299)

Tracheal chambers as a key innovation for high‐frequency emission in bat echolocation

The Anatomical Record, EarlyView.
Abstract Key innovations are pivotal for biodiversity and facilitating evolutionary success, enabling organisms' adaptation to various ecological niches through the diversification of phenotypic traits. In mammals, notable adaptations include evolving hypsodonty for grazing on grasses and, for bats, evolving echolocation and wing acquisition.
Nicolas L. M. Brualla, Laura A. B. Wilson, Khizar Hayat, Michael Doube, Vuong Tan Tu, Thongchai Ngamprasertwong, Thanakul Wannaprasert, Daisuke Koyabu   +7 more
wiley   +1 more source

Doppler effect tailoring: extra-red shift of structured light

Nature Communications
Doppler effect is a universal phenomenon that describes the frequency shift of waves when interacting with moving targets. Recent studies suggest that the spatial structures of light beams would provide a modification of the group and phase velocities of
Zhenyu Wan, Ziyi Tang, Jian Wang
doaj   +1 more source

Integrated Clinical and Proteomic Profiling of CD19 Chimeric Antigen Receptor T Cell Therapy in Progressive Systemic Sclerosis

Arthritis &Rheumatology, EarlyView.
Objective To characterize the clinical, immunologic, and proteomic changes associated with CD19 chimeric antigen receptor T cell therapy in patients with progressive systemic sclerosis (SSc). Methods Patients with progressive SSc received CD19 chimeric antigen receptor (CAR)‐T cell therapy and were observed longitudinally for safety, clinical efficacy,
Chenhan Jia, Wanyi Lin, Zhangyi Zhao, Fenglin Wu, Chaoyu Gu, Yuankai Sun, Zhe Ding, Chang Wei, Xinyu Li, Cuiwei Xie, Peng Xia, Zhen Xia, Xuesong Liu, Shaoying Yang, Chunyan Zhang, Hanlin Yin, Liangjing Lu   +16 more
wiley   +1 more source

Tensions of Sustainability Logics: Performance of a Company Utilizing a Sustainable Business Model

Business Strategy and the Environment, EarlyView.
ABSTRACT In recent years, companies have used sustainable business models to gain a competitive advantage. However, there are tensions due to the inconsistency between social, environmental, and economic logic in sustainable business models, making it difficult for companies to change. To understand the existing tensions and interactions between logics,
Ann‐Kristin Thienemann
wiley   +1 more source

Metasurface Doppler Cloak for Broadband Radar Stealth

Advanced Physics Research
Concealing an aircraft is a multi‐faceted endeavor, notably involving radio and infrared frequencies. In a radar stealth context, it often translates to the reduction of the radar cross‐section (RCS).
Tanguy Lopez, Thomas Lepetit, Badreddine Ratni, Shah Nawaz Burokur   +3 more
doaj   +1 more source

Maximizing Neurovascular Outcomes of Facial Transplantation: A Comprehensive Review

Clinical Anatomy, EarlyView.
ABSTRACT Facial transplantation is a division of reconstructive surgery which aims to improve the function and appearance of a face that has endured severe disfigurement. Currently, the face transplant procedure uses allogenic tissue, harvested from a brain‐dead donor, to replace damaged facial components.
Olivia A. James, Faye Bennett
wiley   +1 more source

Analysis of the Impact of Doppler Frequency Shift on Phase Noise in Space-Borne Gravitational Wave Detection

Technologies
Space gravitational wave detection is performed via a laser interferometry system across hundreds of thousands to millions of kilometers for picometer-level displacement measurement, using phasemeters to read gravitational wave-induced displacement ...
Zhenbang Xie, Zhaoxiang Yi, Huizong Duan, Kai Luo   +3 more
doaj   +1 more source

Implant‐related orofacial pain managed with implant apicoectomy: A case report

Clinical Advances in Periodontics, EarlyView.
Abstract Background In recent years, the use of implants has emerged as a widely accepted method for the replacement of missing teeth. Although rare, chronic pain associated with implant placement has been reported in the literature. Conversely, apicoectomy, the removal of the apical portion has been integrated into the implantology field in cases with
Oscar Durán‐Garnica, Karen Villarreal‐Arizpe, Hong Chen, Hsun‐Liang Chan, Guo‐Liang Cheng   +4 more
wiley   +1 more source

Comparison Between the Acurate Neo and the Acurate Neo 2 Transcatheter Heart Valve System: Impact of Midframe Under‐Expansion

Catheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Background Transcatheter aortic valve implantation (TAVI) with the Acurate Neo has been linked to a significant incidence of paravalvular leakage (PVL), addressed by the Acurate Neo 2 incorporating an active sealing skirt. Recent findings suggest that midframe under‐expansion is associated with worse outcomes.
Lisa Crusius, Thaddäus Ast, Stephan Haussig, Jean‐Honoré Steul, Felix J. Woitek, Peter Sick, Tomas Madej, Utz Kappert, Axel Linke, Norman Mangner   +9 more
wiley   +1 more source

A novel method of Doppler shift estimation for OFDM systems

, 2008
Doppler shift estimation has been deployed to improve the performance of Orthogonal Frequency Division Multiplexing (OFDM) systems. A novel method of Doppler shift estimation for OFDM systems in time varying and frequency selective fading channels has ...
Zhou, W, Lam, WH
core   +1 more source