Results 91 to 100 of about 191,892 (341)

Tunable Mass Transport and Enhanced Electrochemical Performance of CO2 Laser Engraved Electrodes

open access: yesAdvanced Materials Technologies, EarlyView.
This work introduces vector‐mode CO2 laser engraving as a rapid strategy to fabricate electrochemical sensors with tunable mass transport. Spiral electrodes can behave as disk electrodes, outperforming conventional raster‐engraved devices in current density and sensitivity.
Davi M. De Farias   +2 more
wiley   +1 more source

Microbial Species–Area Relationships in Antarctic Cryoconite Holes Depend on Productivity

open access: yesMicroorganisms, 2020
The island species–area relationship (ISAR) is a positive association between the number of species and the area of an isolated, island-like habitat. ISARs are ubiquitous across domains of life, yet the processes generating ISARs remain poorly understood,
Pacifica Sommers   +6 more
doaj   +1 more source

Electro‐Conductive Silver‐Coated Polyamide‐Imide Membranes for Sustainable Water Treatment

open access: yesAdvanced Sustainable Systems, EarlyView.
This study reports the development of a silver‐coated, electro‐conductive ultrafiltration membrane supported on polyamide‐imide. Using a simple and scalable spray‐coating method, the membrane achieved a high electrical conductivity of 2.215 × 10−5 S cm−1.
Zahra Zandi   +11 more
wiley   +1 more source

Glacier Flow and the Growth of the Glacier Grain [PDF]

open access: yesJournal of Glaciology, 1947
The crystallographic results of the Jungfraujoch Research Party’s investigations were published in the Proceedings of the Royal Society in August 1939. It has since occurred to me that insufficient attention was drawn to another factor affecting the movement and growth of the glacier grain, namely the possibility of pressure melting, followed by ...
openaire   +2 more sources

Fluctuations of a Greenlandic tidewater glacier driven by changes in atmospheric forcing : observations and modelling of Kangiata Nunaata Sermia, 1859–present [PDF]

open access: yes, 2014
Acknowledgements. The authors wish to thank Stephen Price, Mauri Pelto, and the anonymous reviewer for their reviews and comments that helped to improve the manuscript.
Lea, J. M.   +7 more
core   +5 more sources

Gallium β‐Cyclodextrin Nanoparticles Containing both Gallium Protoporphyrin and Gallium Nitrate Exhibit Antimicrobial Activity against Nontuberculous Mycobacteria in Vitro and in Vivo

open access: yesAdvanced Therapeutics, EarlyView.
Cyclodextrin nanoparticle containing both Ga(NO3)3 and GaPP is synthesized and tested against non‐tuberculous mycobacteria (NTM). The in vivo efficacy of the nanoparticle therapy is additionally tested by treating pulmonary NTM infections in mice and observed much greater effectiveness in bacterial clearance and survival of mice.
Seoung‐ryoung Choi   +2 more
wiley   +1 more source

Treeline displacement may affect lake dissolved organic matter processing at high latitudes and altitudes

open access: yesNature Communications
Climate change induced shifts in treeline position, both towards higher altitudes and latitudes induce changes in soil organic matter. Eventually, soil organic matter is transported to alpine and subarctic lakes with yet unknown consequences for ...
Núria Catalán   +7 more
doaj   +1 more source

RAD21L1 Is Sufficient and Effective for Reprogramming Human Sertoli Cells to Phenotypic Spermatogonial Stem Cells Through DNA Methylation and Essential for Male Fertility

open access: yesAdvanced Science, EarlyView.
RAD21L1 is upregulated in human Sertoli cells to be transited to become spermatogonial stem cells by overexpressing DAZ family three genes. RAD21L1 is sufficient and effective for reprogramming Sertoli cells into human spermatogonial stem cells with high safety through DNA methylation.
Caimei He   +4 more
wiley   +1 more source

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