Results 81 to 90 of about 18,615 (196)
ChemElectroChem, Volume 13, Issue 12, 17 June 2026.This study probes why polymer electrolyte membrane electrolyzers lose efficiency under different operating profiles. Using electrical tests, microscopy, and spectroscopy, Ti‐PTL passivation is established as the dominant cause for increased Ohmic resistance in samples aged under constant and triangular current profiles for 88 h.
Annik Bernhardt +13 more
wiley +1 more source
Journal of Experimental Zoology Part B: Molecular and Developmental Evolution, EarlyView.
Mark Rebeiz +9 more
wiley +1 more source
An Engineering Perspective on the Importance of Obtaining Operational Stability in Graduate School
BioEssays, Volume 48, Issue 6, June 2026.The graphical abstract uses a stressstrain framework to illustrate how individuals or systems respond to increasing multi‐project demands and deadlines. The x‐axis represents strain and the y‐axis represents stress. In the elastic region, increasing demands remain manageable, allowing recovery and adaptation with minimal long‐term impact.
Ashton F. Oliver +5 more
wiley +1 more source
Distribution of Interstitial Cells and Differentiating Nematocytes in Nests in Hydra attenuata [PDF]
, 1974 We have used tissue maceration to quantitate interstitial cell nests in Hydra attenuata and thiolacetic acid-lead nitrate staining to quantitate differentiating nematocytes. Most I-cell nests have 2, 4, 8, or 16 cells.
Challoner, Diane +3 more
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Biological Reviews, Volume 101, Issue 3, Page 1491-1510, June 2026.ABSTRACT Basal and standard metabolic rate (BMR and SMR) are cornerstones of physiological ecology and are assumed to be relatively fixed intrinsic properties of organisms that represent the minimum energy required to sustain life. However, this assumption is conceptually flawed. Many core maintenance processes underlying SMR are temporally partitioned
Helena Norman +4 more
wiley +1 more source
The Origin of Mucosal Immunity: Lessons from the Holobiont
mBio, 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
Influence of Solvent Lipid Extraction on Tissue‐Specific Carbon Isotopes
Ecology and Evolution, Volume 16, Issue 6, June 2026.To assess the impact of solvents on δ13C, we used a standard lipid extraction protocol on four different pure proteins and humpback whale blubber, a very lipid‐rich tissue. The results showed that the solvents did not have a significant effect on δ13C and δ15N of pure proteins as values largely remained within 0.5‰ of unextracted samples, which is ...
J. Groß +3 more
wiley +1 more source
Frontiers 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
Ecosphere, Volume 17, Issue 6, June 2026.Abstract This study aimed to assess the long‐term effects of nitrogen (N) addition on recruitment, growth, survival, and physiological responses in Quercus ilex and Phillyrea latifolia, two codominant species typical in the Mediterranean forests. Here, we present a 9‐year N addition experiment (20 kg N ha−1 year−1, δ15N‐enriched) in an N‐limited ...
Cinta Sabaté‐Gil +4 more
wiley +1 more source
Hydra tropomyosin TROP1 is expressed in head-specific epithelial cells and is a major component of the cytoskeletal structure that anchors nematocytes [PDF]
, 1994 A cDNA clone encoding a 253 amino acid tropomyosin was isolated from Hydra in a differential screen for headspecific genes. The Hydra tropomyosin gene, designated trop1, is a single copy gene, lacks introns and is strongly expressed in tentacle-specific ...
Lopez de Haro, Maria S. +3 more
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