Results 71 to 80 of about 4,919,976 (365)

Population and Conservation Status of Buxbaumia viridis (DC.) Moug. & Nestl. in Romania

open access: yesPlants, 2023
The field survey made in the last 20 years revealed that large areas of Romania’s territory are still unexplored concerning moss distribution. The long-term research in natural and mature spruce forest habitats of this country shows that many sites are ...
Sorin Ștefănuț   +9 more
doaj   +1 more source

Lots of loss with little scrutiny: The attrition of habitat critical for threatened species in Australia

open access: yesConservation Science and Practice, 2019
Australia has one of the worst extinction rates of any nation, yet there has been little assessment of the effect of its flagship environmental legislation, the Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act), to prevent species ...
Michelle S. Ward   +9 more
semanticscholar   +1 more source

Extracorporeal Catalytic Hemoperfusion Therapy for Refractory Septic Shock Using Ceria Nanoparticle‐Embedded Porous Microbeads

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces an extracorporeal hemoperfusion system incorporating porous microbeads embedded with autocatalytic ceria nanoparticles (CeNPs) for targeted reactive oxygen species (ROS) scavenging in septic shock. The blood‐compatible hemoperfusion cartridge demonstrated significant improvements in survival, hemodynamic stability, and organ ...
Pilseon Im   +10 more
wiley   +1 more source

Rare or threatened vascular plant species of Wollemi National Park, central eastern New South Wales [PDF]

open access: yes, 2013
Wollemi National Park (c. 32o 20’– 33o 30’S, 150o– 151oE), approximately 100 km north-west of Sydney, conserves over 500 000 ha of the Triassic sandstone environments of the Central Coast and Tablelands of New South Wales, and occupies approximately 25 ...
Bell, Stephen A. J.
core  

The Emerging 4D Printing of Shape‐Memory Thermomorphs for Self‐Adaptative Biomedical Implants

open access: yesAdvanced Functional Materials, EarlyView.
4D printing enables the creation of smart implants that adapt to changing conditions in the human body over time. At the core of this technology are shape‐memory thermomorphs (SMTMs). This review offers an in‐depth analysis of 4D printing with SMTMs, emphasizing the latest advancements in smart materials, stimuli, programming principles, and their ...
Aixiang Ding, Fang Tang, Eben Alsberg
wiley   +1 more source

An analysis of Nigerian freshwater fishes: those under threat and conservation options [PDF]

open access: yes, 2005
The study assessed qualitatively the threat status of all nigerian freshwater fishes using such criteria as rarity, size at maturity, mode of reproduction, human population density, habitat degradation, pollution and range of each species among others ...
Bankole, N.O., Olaosebikan, B.D.
core  

Carbon emissions threaten marine species [PDF]

open access: yesCurrent Biology, 2005
Researchers, increasingly frustrated at the political response to the evidence of climate change as a result of human-derived carbon dioxide emissions, are still reporting new worries. A recent report highlights the impact of the emissions on the acidity of the oceans and the possible consequences. Nigel Williams reports.
openaire   +2 more sources

Redlistr: tools for the IUCN Red Lists of ecosystems and threatened species in R

open access: yesEcography, 2019
The International Union for the Conservation of Nature (IUCN) Red List of ecosystems and Red List of threatened species are global standards for assessing risks of ecosystem collapse and species extinction.
Calvin K. F. Lee   +3 more
semanticscholar   +1 more source

Multifunctional Hydroxyapatite Coated with Gallium Liquid Metal‐Based Silver Nanoparticles for Infection Prevention and Bone Regeneration

open access: yesAdvanced Functional Materials, EarlyView.
A multifunctional hydroxyapatite (HAp) coating integrated with silver‐gallium liquid metal nanoparticles (HAp‐Ag‐GaNPs) exhibits dual antibacterial and osteogenic properties. It effectively inhibits Gram‐positive and Gram‐negative bacteria, including resistant strains, while enhancing bone regeneration.
Ngoc Huu Nguyen   +17 more
wiley   +1 more source

Biomimetic Nanomedicines Deliver Naringin for Enhanced Acute Liver Failure Therapy via Balanced Regulation of Hepatocyte Oxidative Stress and Kupffer Cell Inflammation

open access: yesAdvanced Functional Materials, EarlyView.
A biomimetic nanomedicine (RBLN) constructed by loading natural antioxidants to clinically used layered double hydroxide nanoparticles is surface coated with fresh or senescent red blood cell membrane for balanced drug delivery to hepatocytes and KCs, thereby simultaneously alleviating liver oxidant stress and inflammation for effective drug‐induced ...
Jiahui Shao   +8 more
wiley   +1 more source

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