Results 151 to 160 of about 55,695 (341)

Silica Nanoparticles as Multifunctional Platforms for Vaccine Delivery and Immune Modulation in Infectious Diseases

open access: yesAdvanced NanoBiomed Research, EarlyView.
Overview of the use of silica nanoparticles in vaccines against pathogens. Different kinds of vaccines against infectious diseases are currently using solid or mesoporous silica nanoparticles in their formulation. Silica microparticles and nanoparticles (SiNPs) have been studied as vehicles for vaccines.
Noe Juvenal Mendoza‐Ramírez   +3 more
wiley   +1 more source

Total Synthesis of Calyciphylline F

open access: yesAngewandte Chemie, EarlyView.
The final challenge in the total synthesis of the caged polycyclic Daphniphyllum alkaloids was the Calyciphylline D‐type alkaloid, featuring a strained 8‐azatricyclo[4.2.1.04,8]nonane ring system. Presented herein is the total synthesis of calyciphylline F, a member of the calyciphylline D‐type alkaloid family, by an intramolecular [4 + 3 ...
Ryota Sato   +5 more
wiley   +2 more sources

Vollständig sensibilisierte Upconversion‐Nanopartikel als effiziente Katalysatoren für NIR‐gesteuerte UV‐Photochemie

open access: yesAngewandte Chemie, EarlyView.
Die speziell konzipierten NaYbF4:Tm3+@NaYF4‐Nanopartikel mit einem voll sensibilisierten Yb3+‐Gitter und einer optimierten Kern‐Hülle‐Architektur wandeln fünf 980 nm Photonen durch sequenzielle Absorption in ein einziges 345 nm Ultraviolett (UV) Photon um.
Naomi Weitzel   +4 more
wiley   +1 more source

Iron‐Catalyzed Tunable Double Bond Migration and Geometrical Isomerization in Olefins via a Spin‐Accelerated Alkyl Mechanism

open access: yesAngewandte Chemie, EarlyView.
A readily accessible, well‐defined iron(II) catalyst that demonstrates high efficiency and versatility in positional and geometrical alkene isomerization is presented. A comprehensive mechanistic study suggests an alkyl mechanism via an isolable iron hydride species and indicates the stereo‐ and rate‐determining β‐hydride elimination step exhibits a ...
Abdul‐Halim Obeid   +3 more
wiley   +2 more sources

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