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Dendritic spine degeneration:a primary mechanism in the aging process

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Neural Regeneration Research 2025年第6期20卷 1696-1698页

作者： Gonzalo Flores Leonardo Aguilar-Hernández Fernado García-Dolores Humberto Nicolini Andrea judith Vázquez-Hernández Hiram Tendilla-Beltrán Instituto de Fisiología Benemérita Universidad Autónoma de Puebla(BUAP)PueblaMexico Instituto de Ciencias Forenses(INCIFO) Tribunal Superior de Justicia de la Ciudad de México(TSJCDMX).Mexico CityMexico Instituto Nacional de Medicina Genómica(INMEGEN) Mexico CityMexico

Recent reports suggest that aging is not solely a physiological process in living beings;instead, it should be considered a pathological process or disease(Amorim et al., 2022). Consequently, this process involves a wide range of factors, spanning from genetic to environmental factors, and even includes the gut microbiome(GM)(Mayer et al., 2022). All these processes coincide at some point in the inflammatory process, oxidative stress, and apoptosis, at different degrees in various organs and systems that constitute a living organism(Mayer et al., 2022;AguilarHernández et al., 2023).

关键词： aging process stress

Invasion and predation in aquatic ecosystems

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Current Zoology 2011年第5期57卷 613-624页

作者： judith S. WEIS Department of Biological Sciences Rutgers University Newark NJ 07102 USA

This article reviews biological invasions in which predation （or its absence） plays a major role in the success of the invader. Examples are described in which the invader out-competes native species for the same food, and cases in which the in-vader consumes valued native species. In many instances, better predator avoidance by the invasive species or the absence of predators in the new habitat contributes to the success of the invaders; in other cases native or introduced predators appear to be able to keep the invasive species in check. A relatively new management approach in the US is the idea of adding another trophic level - to have humans act as the predators and consume the invasive species. This approach is being utilized in Florida and throughout the Caribbean against the lionfish, but could be extended to other fishes, as well as to various invasive crustaceans and mollusks. This idea is controversial, and current regulations prohibiting the possession of individuals of the invasive species （e.g., mitten crabs or snakefish） would preclude the development of a fishery for them [Current Zoology 57 （5）： 613~524, 2011].

关键词： Predator Prey Trophic interactions Feeding Food web

Commentary on 'Quantifying conditions for climate control on coals and evaporites' by Bao et al.

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National Science Review 2023年第6期10卷 151-152页

作者： judith Totman Parrish Department of Earth and Spatial Sciences University of Idaho

Research on deep-time paleoclimate involves three complex lines of inquiry:reconstructing the geography of the Earth,climate modeling,and understanding just what paleoclimate proxies are *** plate tectonics became widely accepted,most of the effort went into reconstructing the geography of the *** studies that incorporated climate proxies into the research,for example,Briden and Irving [1] did so without critiquing very deeply what those proxies might mean,which was entirely appropriate given the state of the science at that *** with the assumption that we knew,at least in general,the significance of climate proxies were additional assumptions,which remained to be tested,about climate patterns and how they changed with the changing geography.

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Single 5-nm quantum dot detection via microtoroid optical resonator photothermal microscopy

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Light(Science & Applications) 2024年第10期13卷 2145-2155页

作者： Shuang Hao Sartanee Suebka judith Su Wyant College of Optical Sciences University of ArizonaTucsonAZ 85721USA Wyant College of Optical Sciences and Department of Biomedical Engineering University of ArizonaTucsonAZ 85721USA

Label-free detection techniques for single particles and molecules play an important role in basic science,disease diagnostics,and nanomaterial *** fluorescence-based methods are tools for single molecule detection and imaging,they are limited by available molecular probes and photoblinking and *** microscopy has emerged as a label-free imaging technique capable of detecting individual nanoabsorbers with high *** gallery mode(WGM)microresonators can confine light in a small volume for enhanced light-matter interaction and thus are a promising ultra-sensitive photothermal microscopy ***,microtoroid optical resonators were combined with photothermal microscopy to detect 250 nm iong gold nanorods and 100 nm long ***,we combine microtoroids with photothermal microscopy to spatially detect single 5 nm diameter quantum dots(QDs)with a signal-to-noise ratio exceeding 10*.Photothermal images were generated by point-by-point scanning of the pump *** particle detection was confrmed for 18 nm QDs by high sensitivity fluorescence imaging and for 5 nm QDs via comparison with *** system demonstrates the capability to detect a minimum heat dissipation of o.75 *** achieve this,we integrated our microtoroid based photothermal microscopy setup with a low amplitude modulated pump laser and utilized the proportional-integral-derivative controller output as the photothermal signal source to reduce noise and enhance signal *** heat dissipation of these QDs is below that from single dye *** anticipate that our work will have application in a wide variety of fields,including the biological sciences,nanotechnology,materials science,chemistry and medicine.

关键词： pump resonator quantum

Ultra-high-Q free-space coupling to microtoroid resonators

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Light(Science & Applications) 2024年第4期13卷 682-695页

作者： Sartanee Suebka Euan McLeod judith Su Wyant College of Optical Sciences University of ArizonaTucsonAZUSA Department of Biomedical Engineering University of ArizonaTucsonAZUSA

Whispering gallery mode(WGM)microtoroid resonators are one of the most sensitive biochemical sensors in existence,capable of detecting single *** main barrier for translating these devices out of the laboratory is that light is evanescently coupled into these devices though a tapered optical *** hinders translation of these devices as the taper is fragile,suffers from mechanical vibration,and requires precise ***,we eliminate the need for an optical fiber by coupling light into and out from a toroid via free-space coupling and monitoring the scattered resonant light.A single long working distance objective lens combined with a digital micromirror device(DMD)was used for light injection,scattered light collection,and *** obtain Q-factors as high as 1:6´108 with this *** induced transparency(EIT)-like and Fano resonances were observed in a single cavity due to indirect coupling in free *** enables improved sensing *** large effective coupling area(~10μm in diameter for numerical aperture=0.14)removes the need for precise *** performance was verified by combining the system with the frequency locked whispering evanescent resonator(FLOWER)approach to perform temperature sensing experiments.A thermal nonlinear optical effect was examined by tracking the resonance through FLOWER while adjusting the input *** believe that this work will be a foundation for expanding the implementation of WGM microtoroid resonators to real-world applications.

关键词： coupling scattered precise

Portable and sensitive air pollution monitoring

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Light(Science & Applications) 2018年第1期7卷 987-988页

作者： judith Su Department of Biomedical Engineering and College of Optical Sciences University of ArizonaTucsonAZ 85721USA

A compact optical nanofiber sensor enables detection of 100 nm particles in the *** device improves our ability to track air quality with high spatiotemporal *** pollution has enormous health and economic costs,causing an estimated 7 million deaths per year1 and costing US$225 billion globally in 2013 according to the most recent data from the World Health Organization(WHO)and World Bank,*** this impact,air pollution levels continue to increase,with 92%of the world’s population living in environments in which WHO air quality guidelines are not met3.

关键词： pollution globally enable

Short-chain fatty acids in the context of Parkinson’s disease

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Neural Regeneration Research 2021年第10期16卷 2015-2016页

作者： judith Metzdorf Lars Tonges Department of Neurology St.Josef-HospitalRuhr-University BochumBochumGermany

Research on neurodegenerative diseases such as Alzheimer’s disease,Parkinson´s disease(PD),Huntington’s disease or amyotrophic lateral sclerosis is becoming increasingly important in our *** to the ageing of the population,the prevalence of these diseases continue to rise worldwide,and causal cures are not yet available(Erkkinen et al.,2018).This Perspective focusses on PD,a movement disorder of the central nervous system with an estimated prevalence between 65 and 1250/100,000 in Europe,affecting about 1 percent of the population older than 60 *** clinical symptoms include motor symptoms like bradykinesia,tremor or rigidity which are associated with loss of dopaminergic neurons in the substantia nigra and their innervating axonal fibers to the *** non-motor symptoms may consist in depression,hyposmia,cognitive decline or constipation due to impaired motility of the gastrointestinal tract.

关键词： Huntington impaired diseases

Solving traffic data occlusion problems in computer vision algorithms using DeepSORT and quantum computing

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Journal of Traffic and Transportation Engineering(English Edition) 2024年第1期11卷 1-15页

作者： Frank Ngeni judith Mwakalonge Saidi Siuhi Department of Engineering South Carolina State UniversityOrangeburgSC 29117USA

Inaccuracies of traffic sensors during traffic counting and vehicle classification have persisted as transportation agencies have been prompted to calibrate sensors *** of multiple objects,heavy occlusions,and similar appearances in congested places are some causes of computer vision model *** paper used the YOLOv5 model for detection and the DeepSORT model for tracking *** to the nature of the reported problem caused by many misses and mismatches,the power of quantum computing with the alternating direction method of multipliers(ADMM)optimizer was leveraged.A basic Kalman filter and the Hungarian algorithm features were used in combination with a quantum optimizer to present robust multiple object tracking(MOT)*** hybrid combination of the classical and quantum model has fastened learning the occludes during frame matching of tracks and detections by generating minimum quantum cost function *** with the existing models indicated a significant increase in the primary MOT metric multiple object tracking accuracy(MOTA)by 16%more than the regular YOLOv5-DeepSORT model when using a quantum ***,a 6%multiple object tracking precision(MOTP)increases and a 6%identification metrics(F_(1))score increase were observed using the quantum optimizer with identity switching reduced from 6 to *** model is expected to assist transportation officials in improving the accuracy of traffic counts and vehicle classification and reduce the need for regular computer vision software calibration.

关键词： Traffic classification Traffic counting DeepSORT YOLOv5 Quantum computing

Ink-structing the future of vascular tissue engineering:a review of the physiological bioink design

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Bio-Design and Manufacturing 2024年第2期7卷 181-205页

作者： judith Synofzik Sebastian Heene Rebecca Jonczyk Cornelia Blume Institute for Technical Chemistry Leibniz University Hannover30167 HannoverGermany

Three-dimensional(3D)printing and bioprinting have come into view for a plannable and standardizable generation of implantable tissue-engineered constructs that can substitute native tissues and *** tissue-engineered structures are intended to integrate with the patient’s *** tissue engineering(TE)is relevant in TE because it supports the sustained oxygenization and nutrition of all tissue-engineered *** have a specific role,representingthenecessarymedium for printability and vascular cell *** review aims to understand the requirements for the design of vascular ***,an in-depth analysis of vascular cell interaction with their native environment must be gained.A physiological bioink suitable for a tissue-engineered vascular graft(TEVG)must not only ensure good printability but also induce cells to behave like in a native vascular vessel,including self-regenerative and growth *** review describes the general structure of vascular walls with wall-speciﬁc cell and extracellular matrix(ECM)components and biomechanical properties and ***,the physiological role of vascular ECM components for their interaction with vascular cells and the mode of interaction is *** currently available or imaginable bioinks are described from physiological matrix proteins to nonphysiologically occurring but natural chemical compounds useful for vascular *** physiological performance of these bioinks is evaluated with regard to biomechanical properties postprinting,with a view to current animal studies of 3D printed vascular ***,the main challenges for further bioink development,suitable bioink components to create a self-assembly bioink concept,and future bioprinting strategies are *** concepts are discussed in terms of their suitability to be part of a TEVG with a high potential for later clinical use.

关键词： Vascular wall histology Vascular cells Microenvironment Extracellular matrix Cell–matrix interaction Bioink Printability