Results 81 to 90 of about 104,664 (293)

GISP2 Stable Isotopes (Deuterium, annual averages)

open access: yes, 1999
Year is calendar year associated with the sample, determined as described in Barlow (1994). This is effectively a winter-to-winter year, as defined by troughs in the delta deuterium data, as opposed to the summer-to-summer year defined by the official ...
Barlow, L K, L K Barlow (7893137)
core   +1 more source

Neutrino production of deuterium in supermassive stars and possible implications for deuterium detections in Lyman-limit systems [PDF]

open access: yes, 1997
We describe how thermally produced antielectron neutrinos (ν̄e) from the homologously collapsing core of a supermassive star (M ≳ 5 × 104 M⊙) can lead to significant deuterium enrichment in the ejected envelope of such a star. Deuterium-enriched material
Fuller, GM   +3 more
core   +1 more source

An Injectable, Self‐Expanding Hemostatic Foam for Field‐Compatible Postpartum Hemorrhage Management

open access: yesAdvanced Science, EarlyView.
Postpartum hemorrhage is the leading cause of maternal death worldwide, yet many treatments are hard to use outside well‐equipped hospitals. This work introduces an easy‐to‐use device that rapidly delivers a degradable foam into the uterus. The foam stops bleeding through pressure and clotting support, offering a practical option for low‐resource ...
Charlotte Meyer   +12 more
wiley   +1 more source

Stable Isotopic Evidence of Paleorecharge in the Northern Gulf Coastal Plain (USA)

open access: yesHydrology
Stable isotope abundances (δ18O and δ2H) in regional aquifers can provide important paleoclimate information. However, identifying paleoclimate signals can be complicated by cross-formational mixing and, potentially, by isotopic diffusion between ...
Estifanos Haile   +2 more
doaj   +1 more source

Water‐Soluble Luminescent Trityl Radical for Fluorescence/Magnetic Resonance Dual‐Modal Imaging Probe

open access: yesAdvanced Science, EarlyView.
Stable water‐soluble luminescent tris(2,4,6‐trichlorophenyl)methyl (TTM) radicals, TTM‐trisTP3B and TTM‐trisTP9B, were designed and successfully synthesized. They exhibited deep‐red emissions and high photostability in water. TTM‐trisTP3B exhibited dual functionality as a fluorescence imaging (FI) probe and a magnetic resonance imaging (MRI) contrast ...
Kosuke Anraku   +6 more
wiley   +1 more source

Spatial Au+ Mapping Reveals a Self‐Amplifying Anti‐Tumor Immunity Loop Driven by Au(I) Complexes

open access: yesAdvanced Science, EarlyView.
The first report of spatial Au+ mapping of a representative gold complex (Au9). Macrophages, DCs, and tumor cells ranked as the top three in Au+ enrichment after Au9 treatment. Interestingly, Au9 treatment could induce ferroptosis and suppress cellular cholesterol, further eliciting a self‐amplifying anti‐tumor immunity loop.
Zhongren Xu   +5 more
wiley   +1 more source

Review of Water Hydrogen Isotope Separation Technology

open access: yesHe huaxue yu fangshe huaxue
Hydrogen isotopes, such as protium(H), deuterium(D), and tritium(T), are widely used in medical treatment, nuclear energy, national defense, and other fields.
SHI Zhang-hong   +2 more
doaj   +1 more source

6R/S-deutero-α-d-mannopyranoside 1-phosphate

open access: yesMolbank, 2019
6R/S-deutero-α-d-mannopyranoside 1-phosphate was synthesised from a C6 aldehydic mannose thioglycoside donor in four steps. Using NaBD4 as the reductant, isotopic enrichment at C6 was achieved and the resultant C6-deuterated material was converted ...
Sanaz Ahmadipour, Gavin J. Miller
doaj   +1 more source

Designing Radiation Shielding for a Deuterium-Deuterium Neutron Generator

open access: yes, 2020
The effectiveness of several different materials to attenuate various kinds of radioactive particles produced was examined using the WPI physics department’s deuterium-deuterium neutron generator.
Clairmont, Hope S.
core   +3 more sources

Sonogenetics Nanomedicine Activates the cGAS‐STING Pathway for Immunotherapy of Triple‐Negative Breast Cancer

open access: yesAdvanced Science, EarlyView.
A HER3‐targeted sonogenetic lipid nanoparticle platform is developed for triple‐negative breast cancer therapy. An AI‐designed miniprotein inhibits HER3 signaling, while TRPV4 and NFAT‐responsive IL‐15 plasmids enable ultrasound‐controlled calcium signaling and cytokine expression. The system induces Ca2+ overload, ROS generation, mitochondrial damage,
Junya Song   +6 more
wiley   +1 more source

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