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Laser-based 3D printing and optical characterization of optical micro-nanostructures inspired by nocturnal insects compound eyes.
Sci Rep
January 2025
Center for Advanced Laser Technologies (CETAL), National Institute for Lasers, Plasma and Radiation Physics, Magurele-Ilfov, 077125, Romania.
Nature offers unique examples that help humans produce artificial systems which mimic specific functions of living organisms and provide solutions to complex technical problems of the modern world. For example, the development of 3D micro-nanostructures that mimic nocturnal insect eyes (optimized for night vision), emerges as promising technology for detection in IR spectral region. Here, we report a proof of principle concerning the design and laser 3D printing of all ultrastructural details of nocturnal moth Grapholita Funebrana eyes, for potential use as microlens arrays for IR detection systems.
View Article and Find Full Text PDFStrengthening advanced therapy for sickle cell disease in Africa: experience from sickle cell disease centre in Dar es Salaam, Tanzania.
BMJ Glob Health
January 2025
Sickle Cell Programme, Department of Haematology and Blood Transfusion, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania.
Despite progress in healthcare services for individuals living with sickle cell disease (SCD) in Africa, substantial gaps remain in advanced treatments for SCD. To help address this burden, Tanzania has established one of the largest single-centre SCD programmes in the world and developed an advanced therapy programme for SCD focused on patient engagement and advocacy, clinical activities involving exchange blood transfusion (ExBT) and haematopoietic stem cell transplant (HSCT), gene therapy (GT) preparedness, and enabling partnerships. This report describes the programme's genesis, structure and progress achieved.
View Article and Find Full Text PDFStructural analysis of human ADAR2-RNA complexes by X-ray crystallography.
Methods Enzymol
January 2025
Department of Chemistry, University of California, Davis, CA, United States; Department of Molecular and Cellular Biology, University of California, Davis, CA, United States. Electronic address:
Adenosine deaminases acting on RNAs (ADARs) are a class of RNA editing enzymes found in metazoa that catalyze the hydrolytic deamination of adenosine to inosine in duplexed RNA. Inosine is a nucleotide that can base pair with cytidine, therefore, inosine is interpreted by cellular processes as guanosine. ADARs are functionally important in RNA recoding events, RNA structure modulation, innate immunity, and can be harnessed for therapeutically-driven base editing to treat genetic disorders.
View Article and Find Full Text PDFState of the Art and Emerging Technologies in Vaccine Design for Respiratory Pathogens.
Semin Respir Crit Care Med
January 2025
Monoclonal Antibody Discovery (MAD) Lab, Fondazione Toscana Life Sciences, Siena, Italy.
In this review, we present the efforts made so far in developing effective solutions to prevent infections caused by seven major respiratory pathogens: influenza virus, respiratory syncytial virus (RSV), the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), , (), , and . Advancements driven by the recent coronavirus disease 2019 (COVID-19) crisis have largely focused on viruses, but effective prophylactic solutions for bacterial pathogens are also needed, especially in light of the antimicrobial resistance (AMR) phenomenon. Here, we discuss various innovative key technologies that can help address this critical need, such as (a) the development of Lung-on-Chip ex vivo models to gain a better understanding of the pathogenesis process and the host-microbe interactions; (b) a more thorough investigation of the mechanisms behind mucosal immunity as the first line of defense against pathogens; (c) the identification of correlates of protection (CoPs) which, in conjunction with the Reverse Vaccinology 2.
View Article and Find Full Text PDFProperties of Uremic Solutes That Allow Their Effective Control by Hemodialysis.
Kidney360
January 2025
Departments of Medicine, Stanford University and VA Palo Alto HCS, Palo Alto CA USA.
Background: If the GFR falls far enough, uremic symptoms such as anorexia and nausea prompt the initiation of dialysis. Thrice weekly hemodialysis can prevent recurrence of these symptoms even when patients become anuric. To accomplish this it must maintain the plasma levels of the uremic solutes which cause these symptoms lower than they were when dialysis was initiated.
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