Results 161 to 170 of about 1,175 (212)

A Lightweight, 3D‐Printable, Low‐Cost, “One‐Click” Dorsal Skin Window for High‐Quality Long‐Term Multimodal Subcutaneous Tumor Imaging

Advanced Healthcare Materials, EarlyView.
An innovative, lightweight 3D‐printed skinfold chamber system is presented for long‐term intravital imaging. This affordable, biocompatible platform simplifies surgical implantation and allows high‐resolution, multimodal visualization of the tumor microenvironment for up to four weeks.
Iván Cortés Domínguez, Xabier Morales Urteaga, Maider Esparza, Lucía Grande, Ainhoa Urbiola, Cristina Ederra, Tomas Muñoz Santoro, Beatrice Pinci, Alvaro Teijeira, Carlos Ortiz de Solórzano   +9 more
wiley   +1 more source

A 3D‐Printed Vascular‐Like Perfusion Tumor‐on‐a‐Chip Recapitulates High‐Grade Breast Cancer With in Vivo‐Relevant Drug Resistance

Advanced Healthcare Materials, EarlyView.
A high‐resolution 3D‐printed tumor‐on‐a‐chip platform sustains breast cancer tissues at in vivo–like cell densities through vascular‐like perfusion. This engineered system recapitulates grade‐dependent molecular features and exhibits drug‐resistance profiles that uniquely align with clinically relevant Cmax values.
Geonhui Lee, Bingjie Sun, Nicholas X. Fang, Chunguang Xia   +3 more
wiley   +1 more source

Multifunctional Catechol‐Functionalized Cellulose Hydrogels for the Minimally Invasive Treatment of Acute Optic Nerve Injuries

Advanced Healthcare Materials, EarlyView.
Catechol‐functionalized cellulose hydrogels are developed as injectable, bioadhesive platforms for retinal neuroprotection. The hydrogels exhibit tunable rheological and mechanical properties, strong tissue adhesion, and sustained antioxidative activity.
Kai‐Hsiang Chang, Yi‐Ke Lin, Wei‐Li Chen, Ta‐Ching Chen, Jiashing Yu   +4 more
wiley   +1 more source

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The Biological Pump in the Past

2014
Abstract The ocean's ‘biological pump’ refers to the coupled biological, chemical, and physical processes that work to concentrate carbon and other biologically active elements in the voluminous ocean interior, sequestering them from the surface ocean and the atmosphere.
M.P. Hain, D.M. Sigman, G.H. Haug
exaly   +2 more sources

Exploring the ecology of the mesopelagic biological pump

Progress in Oceanography, 2019
The oceans’ biological pump (BP) exports large amounts of particulate organic carbon (POC) to the mesopelagic zone (base of the euphotic zone – 1000 m depth). The efficiency at which POC is transferred through the mesopelagic zone determines the size of the deep ocean carbon store. Few observational BP studies focus on the mesopelagic, often leading to
P W Boyd, Matthieu Bressac
exaly   +2 more sources

The biological carbon pump and seaweeds

Issues of modern algology (Вопросы современной альгологии), 2023
The interest of researchers in macrophytes in the seventies and eighties of the last century was associated with the need to obtain technologically important products, and by the end of the last century, technologies for cultivating several important species of algae were created and put into practice.
Vladimir A. Silkin, Alexander N. Kamnev, Anna V. Lifanchuk, Irina V. Stukolova   +3 more
openaire   +1 more source

The Biological Pump

2014
The biological pump is the set of processes by which inorganic carbon (e.g., carbon dioxide) is fixed into organic matter via photosynthesis and then sequestered away from the atmosphere generally by transport into the deep ocean. This may be accomplished by the passive sinking of particulate organic matter, through the vertical migration of ...
de La Rocha, Christina, L., Passow, Uta
openaire   +2 more sources

Energy dissipation in slipping biological pumps

Physical Chemistry Chemical Physics, 2005
We describe active transport in slipping biological pumps, using mesoscopic nonequilibrium thermodynamics. The pump operation is characterised by its stochastic nature and energy dissipation. We show how heating as well as cooling effects can be associated with pump operation.
Signe, Kjelstrup, J Miguel, Rubi, Dick, Bedeaux   +2 more
openaire   +2 more sources

The Biological Pump During the Last Glacial Maximum

Annual Review of Marine Science, 2020
Much of the global cooling during ice ages arose from changes in ocean carbon storage that lowered atmospheric CO2. A slew of mechanisms, both physical and biological, have been proposed as key drivers of these changes. Here we discuss the current understanding of these mechanisms with a focus on how they altered the theoretically defined soft-tissue ...
Eric D, Galbraith, Luke C, Skinner
openaire   +2 more sources

Biological carbon pump in the Black Sea

Hydrosphere Еcology (Экология гидросферы), 2022
In the northeastern part of the Black Sea, the biological carbon pump is represented by both organic and carbonate pumps. The organic carbon pump consists of small-cell diatoms (mainly Pseudo-nitzschia pseudodelicatissima) and large-cell diatoms (Pseudosolenia calcar-avis and Proboscia alata).
Vladimir A. Silkin, Oleg I. Podymov, Anna V. Lifanchuk   +2 more
openaire   +1 more source