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The space-time wave packet (STWP) is a type of pulsed optical field, exhibiting distinctive characteristics, including the capacity to propagate without diffraction or dispersion and to have arbitrary group velocities. However, the intensity of the STWP is constrained by the low damage threshold of some indispensable optical elements like the spatial light modulator (SLM). While optical parametric amplification (OPA) has been proposed for amplifying STWPs, spatio-temporal (ST) characteristics of amplified STWPs remain significantly unexplored.
View Article and Find Full Text PDFAttitudes and Perspectives of Service Providers on Persons Who Use Stimulants in Northern and Central Mexico.
Subst Use Addctn J
January 2025
Faculty of Psychology, Universidad Nacional Autónoma de México, Mexico City, Mexico.
Background: Methamphetamine and other stimulant use are increasing across Mexico while treatment options and public funding remain scarce for substance use treatment. This study examined the attitudes and perspectives of service providers who work with persons who use stimulants in Mexico.
Methods: Semistructured qualitative interviews were conducted with 20 service providers in diverse cities in the northern and central regions of Mexico, from healthcare centers and harm reduction community-based organizations (CBOs).
Discovery of two novel Flavobacterium species with potential for complex polysaccharide degradation.
Sci Rep
January 2025
Biological Resource Center, Korean Collection for Type Cultures (KCTC), Korea Research Institute of Bioscience and Biotechnology, Jeongeup, 56212, Republic of Korea.
Polysaccharides are recognized for their extensive biological functions, holding significant promise for applications in both medicine and food industries. However, their utilization is frequently constrained by challenges such as high molecular weights and indistinct sugar chain structures. Recently, two novel bacterial strains, N6 and J3, were isolated from the Nakdong River in Korea.
View Article and Find Full Text PDFGiant inguinal hernia with mal-rotation in a resource-limited area: Case report.
Int J Surg Case Rep
January 2025
School of postgraduate, Amoud University, Somalia; Faculty of Science, Charles University, Czechia. Electronic address:
Introduction: Giant inguinoscrotal hernias (GIH), defined as hernias extending below the inner thigh midpoint in a standing position, are rare and often seen in resource-limited settings due to delayed medical care. These hernias pose surgical challenges, particularly in low- and middle-income countries (LMICs), where standardized management protocols are lacking, and risks such as cardiorespiratory compromise are significant.
Case Presentation: A 55-year-old male presented with a large, irreducible right inguinoscrotal hernia of 1.
Categorising reported errors and incidents from morbidity and mortality meetings (M&Ms) in a small animal multi-specialty veterinary teaching hospital.
Aust Vet J
January 2025
Sydney School of Veterinary Science, University of Sydney, Camperdown, Australia.
Background: Errors in veterinary clinical settings can lead to patient harm. Morbidity and mortality meetings (M&Ms) are forums to discuss errors and incidents that can lead or have led to adverse outcomes, potential harm or unsafe conditions, with the purpose of improving patient safety in future. Despite growing implementation of M&Ms in veterinary medicine, their effectiveness in improving future patient safety may be constrained by the need for absolute confidentiality during meetings.
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