Results 41 to 50 of about 6,505 (144)

Petrography of phosphates in CI and CY carbonaceous chondrites

open access: yesMeteoritics &Planetary Science, Volume 60, Issue 11, Page 2594-2622, November 2025.
Abstract Phosphate minerals are significant carriers of volatiles (e.g., OH) and halogens in chondritic material; however, their origin in most groups of carbonaceous chondrites remains poorly characterized. We have determined the abundance, morphology, texture, and composition of phosphate grains in aqueously altered CI chondrites and in hydrated and ...
C. S. Harrison   +3 more
wiley   +1 more source

Use of accelerated helium-3 ions for determining oxygen and carbon impurities in some pure materials [PDF]

open access: yes
Methods are developed for the determination of O impurity in Be and Si carbide and concurrent determination of C and O impurities in Si and W by irradiation with accelerated He-3 ions and subsequent activity measurements of C-11 and F-18 formed from C ...
Aleksandrova, G. I.   +6 more
core   +1 more source

Illuminating Tau Aggregates: Multiscale Approaches for Detection, Imaging, and Understanding

open access: yesAggregate, Volume 6, Issue 10, October 2025.
This review presents recent advances in molecular imaging of tauopathies, focusing on tau aggregation mechanisms, structural polymorphism, and imaging strategies. It highlights the development of tau‐selective fluorescent probes and PET tracers and explores emerging techniques such as cryo‐EM and super‐resolution imaging, offering a multiscale ...
Kaustubh R. Bhuskute   +2 more
wiley   +1 more source

Exotic ion-beams targets and sources [PDF]

open access: yes, 2000
Exotic beams of short-lived radioisotopes are produced in nuclear reactions such as thermal neutron induced fission, target or projectile fragmentation and fusion reactions.
Lettry, Jacques
core   +1 more source

Matera: A not so ordinary H5 chondrite breccia with very low density and high porosity

open access: yesMeteoritics &Planetary Science, Volume 60, Issue 9, Page 2125-2148, September 2025.
Abstract On the evening of February 14, 2023, at 17:58 UT, a fireball was detected by three cameras of the Italian PRISMA network (FRIPON network). The first samples of the Matera meteorite, collected 3 days after the fall, lay on the balcony of a private home.
Giovanni Pratesi   +27 more
wiley   +1 more source

Focal Spot, Summer 1993 [PDF]

open access: yes, 1993
https://digitalcommons.wustl.edu/focal_spot_archives/1064/thumbnail ...

core   +1 more source

A companion to the preclinical common data elements and case report forms for in vivo rodent neuroimaging: A report of the TASK3‐WG3 Neuroimaging Working Group of the ILAE/AES Joint Translational Task Force

open access: yesEpilepsia Open, Volume 10, Issue S1, Page S136-S182, August 2025.
Abstract The International League Against Epilepsy/American Epilepsy Society (ILAE/AES) Joint Translational Task Force established the TASK3 working groups to create common data elements (CDEs) for various aspects of preclinical epilepsy research studies, which could help improve the standardization of experimental designs.
Erwin A. van Vliet   +9 more
wiley   +1 more source

Discovery of the Isotopes with 11 <= Z <= 19

open access: yes, 2011
A total of 194 isotopes with 11 $\le$ Z $\le$ 19 have been identified to date. The discovery of these isotopes which includes the observation of unbound nuclei, is discussed.
Ajzenberg-Selove   +139 more
core   +1 more source

Accomplishments and challenges in stem cell imaging in vivo. [PDF]

open access: yes, 2019
Stem cell therapies have demonstrated promising preclinical results, but very few applications have reached the clinic owing to safety and efficacy concerns.
Bose, Rajendran JC, Mattrey, Robert F
core  

Clouds, airplanes, trucks and people: carrying radioisotopes to and across Mexico [PDF]

open access: yes, 2015
The aim of this paper is to describe the early stages of Mexican nuclearization that took place in contact with radioisotopes. This history requires a multilayered narrative with an emphasis in North-South asymmetric relations, and in the value of ...
Mateos, Gisela, Suárez-Díaz, Edna
core   +4 more sources

Home - About - Disclaimer - Privacy