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#imaging

1 post1 participant0 posts today
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Oliver Brendel

The Silva unit of INRAE recruits an engineer in biological #imaging using SEM and optical #Microscopes, submissions open until 20 March 2025. More information at jobs.inrae.fr/concours/concour

more about the Silva unit at : eng-silva.nancy.hub.inrae.fr/

Please #Share widely in your #AcademicNetworks
#Microscopy #ElectronMicroscopy #BioImaging #Forests #PlantScience #SciJobs #Vacancy #JobVacancy #JobOpening #JobOpportunity #ResearchJobs #Academia @academicchatter 1/3

INRAE JobsIngénieur-e biologiste en imagerieIR25-ECODIV-2 - Vous intégrerez l'Unité mixte de recherche (UMR) SILVA (INRAE, AgroParisTech, Université de Lorraine). L'unité a pour objectif de développer des travaux pluridisciplinaires sur l'adaptation des écosystèmes forestiers aux changements globaux. Intégrée à SILVA, la plateforme technologique SILVATECH labellisée par INRAE propose des services d'analyses, de développement et de formation à partir d'une gamme d'équipements de haute technologie regroupés dans deux pôles : Isotopie-Chimie (IC) et Imagerie et Mesures Multi-Modales (I3M) que vous intégrerez pour y assurer les missions suivantes :- En collaboration avec les communautés de recherches locales, nationales et européennes, vous mettrez à profit vos connaissances et vos compétences initiales fortes en biologie et physiologie végétale aux échelles fines, pour mieux appréhender et caractériser par imagerie, les réponses physiologiques et anatomiques de l'arbre aux contraintes de son environnement. Dans le cadre du projet de recherche de l'unité SILVA, vous conduirez des travaux permettant d'identifier des marqueurs anatomiques et physiologiques de la tolérance ou de la vulnérabilité de l'arbre aux stress multiples (ex : sécheresse, ennoyage, vent, attaque biotique). Pour ce faire, vous serez chargé-e de développer des méthodologies de microscopie corrélative permettant de combiner les informations biologiques acquises, à partir de différents équipements, sur les mêmes échantillons par des approches multi-échelles et multi-techniques. Ces approches corrélatives permettront de créer des passerelles entre les échelles micro à nanométriques mais aussi de combiner des informations structurales et fonctionnelles voire dynamiques à partir des échantillons observés. Pour ce faire, vous développerez des itinéraires méthodologiques complets et intégrés à partir du large éventail d'équipements récents présents sur le pôle I3M (2 Cryo-MEB équipés en micro-analyse EDS, WDS et RX, un microscope confocal à balayage laser, un microscope à microdissection laser, une station d'imagerie photonique numérique, un multiscanner RX, un système d'imagerie hyperspectrale, divers équipements reposant sur l'utilisation des rayons X ainsi que des équipements de préparations en microscopie, un plateau de préparation en histologie) et dynamiserez les liens entre les approches présentes sur le pôle (densité stomatique, densité des vaisseaux du bois, anatomie quantitative à grande échelle, dendrométrie/chronologie/chimie). - Vous coanimerez le pôle I3M constitué de neuf agents, en assurant des activités telles que la gestion des plannings et activités des agents, le développement et la validation de méthodes, le contrôle et gestion de la maintenance, l'investissement significatif dans la prévision, l'élaboration et la conduite des dossiers stratégiques (achat d'équipement, expertise), l'apport d'expertise au montage de projets et l'application des démarches qualités. Pour mener à bien cette mission, vous travaillerez en relation étroite avec les autres animateurs de pôle et le responsable de la plateforme Silvatech.- Vous coordonnerez une partie du parc d'équipements associé au pôle I3M en collaboration avec leurs responsables techniques.- Vous assurez et/ou coordonnerez la formation de stagiaires/doctorants/post-doc aux techniques et équipements de microscopie dans un cadre local ou national.- Vous vous impliquerez fortement dans les réseaux technologiques (ex : RCCM-RIME, COST COMULIS) afin d'assurer la veille technologique et la valorisation de vos travaux de développement dans ces communautés. Cette valorisation passera également par la rédaction et la participation active à des publications scientifiques aussi bien en biologie qu'en techniques instrumentales.
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Diffusion Imaging in Python

Ever seen the Handbook of Diffusion MR Tractography by Flavio Dell'Acqua, Maxime Descoteaux & Alexander Leemans 📖🔬
We’re beyond excited about this new book! The depth of topics covered is truly impressive, making this an invaluable resource in dMRI! Many of these methods available in the book are implemented in DIPY, and it’s incredible to see the field expanding with so many groundbreaking applications. 🚀🧠
#Neuroscience #MRI #Tractography #MedicalImaging #IMAGING #opensource #medical

Continued thread
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napari

But wait, there's more! 🚨 We are gearing up to release *napari 0.6.0*! 🚨 Come be the first to hear about everything that's coming! There's cool new features, major bug fixes, and we are migrating to @pydantic v2 and #Python 3.10+.

And remember, you can add your own items to the agenda!

Not the right time for you? Remember that we have meetings for people around the world. 🌏🌍🌎 Check out our calendar at:

napari.org/stable/community/me

See you soon! 📅

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napari.orgMeeting schedule — napari
#SciPy#imaging
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napari

Our next community meeting is coming up! Join us at 9am CET (Paris/Warsaw/etc) / 1:30pm IST (Delhi) / 7pm AEST (Melbourne).

Zoom: numfocus-org.zoom.us/j/8335164
Agenda: hackmd.io/9vo_DiJpSfuUExeGqVHb

Community meetings are a resource for the napari community to get help directly from napari core developers in using napari or developing plugins. They are also a way to showcase plugins, cool demos, or new scientific use cases! We love to see them!

Or, just come and hang out!

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Zoom VideoJoin our Cloud HD Video MeetingZoom is the leader in modern enterprise video communications, with an easy, reliable cloud platform for video and audio conferencing, chat, and webinars across mobile, desktop, and room systems. Zoom Rooms is the original software-based conference room solution used around the world in board, conference, huddle, and training rooms, as well as executive offices and classrooms. Founded in 2011, Zoom helps businesses and organizations bring their teams together in a frictionless environment to get more done. Zoom is a publicly traded company headquartered in San Jose, CA.
#Python#SciPy#imaging
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Luke Johnson

I realise I never did a re-#introduction after moving to my bespoke, artisanal instance. So here it is!

I'm a soon-graduating PhD student at #UBC Biomedical Engineering with a research focus on #imaging, #biomechanics and #simulation of rare pediatric hip disorders like #perthes disease.

My other interests are all over the place: #urbanism, #classiccars, #retrocomputing, #electoralreform, #crochet, #music composition, #linux and #fedi and more I'll probably add as I remember!

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j_bertolotti

#PhysicsJournalClub
"Three-dimensional holographic imaging of incoherent objects through scattering media"
by Y. Baek, H. de Aguiar and @sylvaingigan
arxiv.org/abs/2502.01475
#optics #physics #imaging

As you daily experience anytime you look at anything, light scattering severely impairs your ability to image (mild scattering like mist makes things in a distance fuzzy, strong scattering like your own body makes it completely impossible to see what is happening inside or behind it). On one hand this is good, as it allows us to see where (e.g.) trees are so we don't bump into them. On the other hand there are a LOT of situations where you would really like to see what is going on behind a scattering medium (surely it would save a lot of exploratory surgeries).
The problem of imaging through a scattering medium is largely unsolvable in its most general form, but there are a lot of special cases where you can go surprisingly far, and people (me included) have spent a lot of time checking exactly how far.

In this paper the authors consider a set of small fluorescent objects behind a not-too-thick scattering medium, and look for a way to retrieve their 3D arrangement.
Problem: fluorescent emission means incoherent emission, so the phase information (which encodes a lot of information about position) is lost. Still, we can rely on the assumption that there is a finite (ideally not too large) amount of point emitters. Since each emitter is point-like, if we only measure the light that reaches us through the scattering medium at a single frequency (to be more realistic, a small bandwidth), we will see the incoherent sum of a speckle pattern per fluorescent emitter.
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arXiv.orgThree-dimensional holographic imaging of incoherent objects through scattering mediaThree-dimensional (3D) high-resolution imaging is essential in microscopy, yet light scattering poses significant challenges in achieving it. Here, we present an approach to holographic imaging of spatially incoherent objects through scattering media, utilizing a virtual medium that replicates the scattering effects of the actual medium. This medium is constructed by retrieving mutually incoherent fields from the object, and exploiting the spatial correlations between them. By numerically propagating the incoherent fields through the virtual medium, we non-invasively compensate for scattering, achieving accurate 3D reconstructions of hidden objects. Experimental validation with fluorescent and synthetic incoherent objects confirms the effectiveness of this approach, opening new possibilities for advanced 3D high-resolution microscopy in scattering environments.
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Helmholtz Imaging

📢 The latest Helmholtz Imaging Newsletter is out!

▪️Image Contest: Submit by Feb 14 to win part of several thousand Euros
▪️#HIConference2025: Call for abstracts open
▪️Top 3 Nature Ranking: One of our papers made the list
◾ Celebrating Excellence: Dagmar Kainmueller & Lena Maier-Hein recognized for their impactful work.
◾ Job opportunities, publications & events

Explore all updates here 👉 bit.ly/HI-Newsletter-19

#imaging #BSIC25

@association @DESYnews @DKFZ @MDC_Berlin @DLR

Decorative image to promote the HI Newsletter No. 19; image by Markus Bachmann from DLR Oberpfaffenhofen
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