Results 141 to 150 of about 82,854 (283)

What Is a Polyolefin? A Critical Overview of Ethylene Copolymers Used as Solar Photovoltaic Module Encapsulants

open access: yesProgress in Photovoltaics: Research and Applications, EarlyView.
Polyolefin encapsulants are gaining dominance in PV modules, yet confusion persists around PO, POE, and TPO definitions. This study clarifies terminology, reviews materials, and properties and proposes a taxonomy to improve understanding, communication, and reliability in solar module manufacturing.
Gernot Oreski   +14 more
wiley   +1 more source

Novel polyimide compositions based on 4,4': Isophthaloyldiphthalic anaydride (IDPA) [PDF]

open access: yes
A series of twelve high temperature, high performance polyimide compositions based on 4,4'-isophthaloyl diphthalic anhydride (IDPA) was prepared and characterized. Tough, film-forming, organic solvent-insoluble polyimides were obtained.
Pratt, J. Richard, Saintclair, Terry L.
core   +1 more source

University teaching of mass spectrometry as a key practical technique within the context of a fully integrated, spiral curriculum

open access: yesRapid Communications in Mass Spectrometry, EarlyView.
Rationale Mass spectrometry (MS) is introduced to high school students in the UK in many pre‐university course syllabi. As such, we have identified the use of MS as a key technique that should be taught practically to undergraduates from the outset of their studies.
Andrew F. Worrall   +3 more
wiley   +1 more source

Design of Experiments (DoE)‐Optimized Polymeric Oxytocin Nanoparticles for Enhanced Nose‐to‐Brain Delivery

open access: yesSmall, EarlyView.
Intranasal (IN) delivery of PEGylated PLGA nanoparticles (NPs) loaded with oxytocin (OT) (OT‐NP‐PEG) is investigated as a strategy to enhance OT transport to the brain for treating autism and other neuropsychiatric disorders. The optimized NP formulation demonstrates appropriate physicochemical characteristics, improved stability, and enhanced mucosal ...
Naveed Ahmad   +11 more
wiley   +1 more source

Nitration of phenanthrene in acetic anhydride [PDF]

open access: bronze, 1978
D. M. D. LANE   +3 more
openalex   +1 more source

Mechanosensitive Cell‐Laden Shape‐Memory Scaffolds Engineered via Cryogelation

open access: yesSmall Structures, EarlyView.
GelMA‐based shape‐memory scaffolds encapsulating human adipose‐derived stem cells are fabricated via cryogelation, showing rapid recovery and high cell viability. Under cyclic compression, they promoted mechanotransduction gene expression, and composite formulations (collagen/GelMA, dECM/GelMA) retained robust shape‐memory, highlighting their promise ...
JaeYoon Lee   +4 more
wiley   +1 more source

AIMNet2‐NSE: A Transferable Reactive Neural Network Potential for Open‐Shell Chemistry

open access: yesAngewandte Chemie, Volume 138, Issue 5, 28 January 2026.
AIMNet2‐NSE enables accurate modeling of open‐shell radical chemistry through neural spin‐charge equilibration (NSE). This machine learning interatomic potential predicts radical reaction energies, barriers, and spin‐crossing events with near‐DFT accuracy while offering five orders of magnitude computational speedup, making high‐throughput exploration ...
Bhupalee Kalita   +7 more
wiley   +2 more sources

Semiquantitative Infrared Analysis of Diketones and Anhydrides in a Reaction Mixture [PDF]

open access: yes, 1976
The ozonolysis of a hydroxymethylene ketone yields a mixture of diketone and anhydride. Treatment of hydroxymethylene camphor with ozone affords, in addition to the expected camphor quinone, a surprisingly large amount of camphoric anhydride (56%) via ...
Getty, R.   +3 more
core   +2 more sources

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