Results 121 to 130 of about 540,378 (271)

Observations on an Open‐Label Phase 1/2 Dopamine Gene Therapy Trial (OXB‐102/Axo‐Lenti‐PD) in People with Parkinson's Disease

open access: yesMovement Disorders, EarlyView.
Abstract Background SUNRISE‐PD was a dose‐escalating, phase 1/2 study investigating a second‐generation lentiviral vector gene therapy delivering the genes for dopamine synthesis (OXB‐102) to treat Parkinson's disease (PD). The trial was prematurely terminated due to insolvency of the sponsor.
Simon Rowe   +19 more
wiley   +1 more source

Strontium–Neodymium isotopic compositions of eighteen geological Chinese reference materials measured on TIMS and MC-ICP-MS

open access: yesSolid Earth Sciences
This study presents radiogenic Sr–Nd isotopic compositions of eighteen geological Chinese reference materials (RMs) measured on TIMS and MC-ICP-MS independently.
Wenke Wang   +5 more
doaj   +1 more source

ORIGEM, SIGNIFICADO PETROGENÉTICO E IDADE DOS ORTOGNAISSES TERRA NOVA: REGISTRO DE MAGMATISMO ALCALINO EXTENSIONAL NEOPROTEROZOICO NO DOMÍNIO DA ZONA TRANSVERSAL DA PROVÍNCIA BORBOREMA [PDF]

open access: yesGeochimica Brasiliensis, 2016
Os ortognaisses sieníticos de Terra Nova ocorrem encaixados na Faixa Feira Nova do Complexo Vertentes, no extremo leste do terreno Rio Capibaribe da Província Borborema, Nordeste do Brasil.
Haroldo Monteiro Lima   +4 more
doaj  

Plasma p‐tau217 Versus p‐tau181 in Parkinson's Disease: Differential Associations with Alzheimer's Disease‐Related Neurostructural Changes and Cognitive Function

open access: yesMovement Disorders, EarlyView.
Abstract Background Plasma phosphorylated‐tau at threonine‐217 (p‐tau217) and threonine‐181 (p‐tau181) are scalable, minimally invasive biomarkers of Alzheimer's disease (AD) pathology. In Parkinson's disease (PD), AD co‐pathology may contribute to its clinical heterogeneity.
Eleonora Fiorenzato   +16 more
wiley   +1 more source

Conjunctive K-Ca and Rb-Sr dating of glauconies

open access: yes, 2008
The glaucony series (of which glauconitic mica is the K-rich end member) is one of the few widely occurring minerals in the sedimentary record. So their isotopic ages determined mainly by the K-Ar method represent a major database for the geologic time ...
Gopalan, K.
core   +1 more source

Depositional and Hydrological Relationships Between Buried Dead Ice and the Active Layer in the McMurdo Dry Valleys, Antarctica: A Study of Sediment Geochemistry and Cation Concentrations

open access: yesPermafrost and Periglacial Processes, EarlyView.
ABSTRACT The McMurdo Dry Valleys, the largest ice‐free region in Antarctica, are home to a cold‐desert hydrologic system of glaciers, snowbanks, streams, and lakes. Freshwater is also stored as dead glacial ice, which is poorly constrained in terms of ion concentrations and interactions with both in situ and overlying sediments.
Matthew C. Witscheber, Kate M. Swanger
wiley   +1 more source

ILGIN SAHASI (KONYA) BİTÜMLÜ KİLTAŞI ÇÖKELİMİ HAVZASINDA PALEO-HİDROTERMAL ÇÖKELME KOŞULLARI, PALEO-HİDRODİNAMİK OLAYLAR VE PALEO-İKLİM İNCELEMELERİ

open access: yesEskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi
Hidrotermal akışkan faaliyetleri kiltaşı ve şeyl gibi bitümlü sedimanter kayaçlardaki Mo, U, Cu, Ni ve Zn gibi iz elementlerin zenginleşmesinin yanı sıra organik maddenin korunma derecesini de önemli ölçüde etkiler. İncelenen örneklerinin Fe/Ti (ort: 126,
Fuat Erol   +3 more
doaj   +1 more source

The Rb/Sr geochronology of the Archean Chibougamau pluton, Quebec

open access: yes, 1980
The U–Pb zircon age for the Chibougamau pluton is some 200 Ma older than the published Rb–Sr total-rock age. However, application of sample rejection techniques based on petrography, volatile content, and major-element chemistry to published and new Rb ...
C. Brooks
core   +1 more source

Soil health assessment using buried cotton underpants with the help of 1000 citizen scientists

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Soil is a vital resource for life on Earth. Although many soils are degraded, societal awareness of soil‐related issues is limited. To highlight soil as a key resource and fascinating study system, we initiated a citizen science project together with 1000 participants investigating soil health across Switzerland using buried cotton underpants.
S. Franz Bender   +258 more
wiley   +1 more source

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