Results 81 to 90 of about 67,787 (147)

The Origin of Mucosal Immunity: Lessons from the Holobiont Hydra

open access: yesmBio, 2016
Historically, mucosal immunity—i.e., the portion of the immune system that protects an organism’s various mucous membranes from invasion by potentially pathogenic microbes—has been studied in single-cell epithelia in the gastrointestinal and upper ...
Katja Schröder, Thomas C. G. Bosch
doaj   +1 more source

HYDRA: a Java library for Markov Chain Monte Carlo [PDF]

open access: yes
Hydra is an open-source, platform-neutral library for performing Markov Chain Monte Carlo. It implements the logic of standard MCMC samplers within a framework designed to be easy to use, extend, and integrate with other software tools. In this paper, we
Gregory R. Warnes
core   +1 more source

Male and female stem cells and sex reversal in Hydra polyps [PDF]

open access: yes, 1986
Single interstitial stem cells of male polyps of Hydra magnipapillata give rise to clones that differentiate either male or female gametes. To test the sexual stability of these clones, stem cells were recloned.
Bosch, Thomas C. G., David, Charles N.
core  

The Relevance and Resilience of Evo‐Devo in 2025: The Biennial Meeting of the Pan American Society for Evolutionary Developmental Biology

open access: yes
Journal of Experimental Zoology Part B: Molecular and Developmental Evolution, EarlyView.
Mark Rebeiz   +9 more
wiley   +1 more source

Measuring Molecular Forces With Atomic Force Microscopy 1: Solvent Influence on Hydrophobic Interactions

open access: yesMicroscopy Research and Technique, Volume 89, Issue 5, Page 718-726, May 2026.
Atomic force microscopy enables precise evaluation of the magnitude and range of hydrophobic and van der Waals interactions. This primer presents a protocol for fluorocarbon functionalization of gold surfaces and examines how water: DMSO mixtures affect hydrophobic forces, with data interpreted through an extended van der Waals model.
Luis N. Ponce‐Gonzalez   +1 more
wiley   +1 more source

Comparative analysis of septic injury-inducible genes in phylogenetically distant model organisms of regeneration and stem cell research, the planarian Schmidtea mediterranea and the cnidarian Hydra vulgaris

open access: yesFrontiers in Zoology, 2008
Background The planarian Schmidtea mediterranea and the cnidarian Hydra vulgaris have emerged as valuable model organisms in regeneration and stem cell research because of their prominent ability to regenerate a complete organism from any small body ...
Vilcinskas Andreas, Altincicek Boran
doaj   +1 more source

Replacement‐Based Ageing Interventions for Systemic Rejuvenation: Shaping Longevity Science and Clinical Directions

open access: yesAging Cell, Volume 25, Issue 5, May 2026.
We propose a roadmap to guide the development of rejuvenation therapeutics integrating replacement‐based ageing interventions, regeneration, and synthetic technologies that remove or export hundreds of types of molecular, organellar, and cellular damage.
Bjorn Fraser Olaisen   +12 more
wiley   +1 more source

Laser‐Enabled Nanopinholes for Silicon Solar Cells with Polycrystalline Si/SiOx Passivating Contacts

open access: yesSolar RRL, Volume 10, Issue 8, 27 April 2026.
Conductive nanoscale pinholes are created by selective heating of pyramid tips on randomly textured silicon via pulsed laser irradiation. Due to heat concentration at the pyramid tips, the dielectric passivating layer is selectively opened at the pyramid tips.
Dirk W. Steyn   +12 more
wiley   +1 more source

Effects of predation by Hydra (Cnidaria) on cladocerans (Crustacea: Cladocera)

open access: yesJournal of Limnology, 2016
Planktonic cladocerans have evolved different strategies to avoid predation from vertebrates; these include changes in morphology, behavior, physiology, and/or life-history traits.
Ligia Rivera-De la Parra   +2 more
doaj   +1 more source

The Hematite Question: Hydrogen‐Driven Magnetization of Hematite‐Bearing Sandstones and Insights for Natural Hydrogen Exploration

open access: yesGeophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract Natural hydrogen is a promising clean energy resource, but locating subsurface accumulations remains challenging. Aeromagnetic anomalies are increasingly utilized as a rapid and cost‐effective tool for geological hydrogen prospection, particularly associated with magnetite formation during abiotic geochemical hydrogen generation through ...
B. D. L. Mendes   +3 more
wiley   +1 more source

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