نتایج جستجو برای: ctac

تعداد نتایج: 135  

2003
Jacobus Kuijt Freek Ariese Udo A.Th. Brinkman Cees Gooijer

A wide-ranging overview of room temperature phosphorescence in the liquid state (RTPL1) is presented, with a focus on recent developments. RTPL techniques like micelle-stabilized (MS)-RTP, cyclodextrin-induced (CD)-RTP, and heavy atom-induced (HAI)-RTP are discussed. These techniques are mainly applied in the stand-alone format, but coupling with some separation techniques appears to be feasibl...

1998
Peidong Yang Dongyuan Zhao Bradley F. Chmelka Galen D. Stucky

There is currently intense interest in the topological construction of mesoporous materials both at the molecular and macroscale levels1 because of the need for selective processing of mesoporous materials into forms suitable for applications in catalysis,2 separations,3,4 chemical sensing, low-dielectric coatings,5 and optical communications.6 Mesoporous silica films have been grown under acid...

Journal: :Chemie Ingenieur Technik 2022

Die präparative Gelelektrophorese ermöglicht die Auftrennung von Nano- und Submikronpartikeln auf Basis ihrer unterschiedlichen elektrophoretischen Mobilität. Es wird gezeigt, dass eine Trennung der Partikel nicht nur nach Partikelgröße, sondern auch Oberflächenladung bzw. Oberflächenchemie Morphologie möglich ist. Während diese Methode analog zum Einsatz in Biotechnologie bislang kleine Mengen...

Journal: :Chem 2023

•m-SiO2-PEG shows less destruction to the vascular system than f-SiO2•m-SiO2-PEG intravasation and extravasation prevents cancer cells from migrating upon intracellular endocytosis The fast-growing investigations of mesoporous silica (m-SiO2) have been offering great opportunities for nanomedicine. Recently, highly agglomerated fumed (f-SiO2) sintered by elevated temperatures without any surfac...

2016
Jack E. Staub Matthew D. Robbins Yingmei Ma Paul Johnson Paul G. Johnson

Continued reduction in limited natural resources worldwide increasingly necessitates the incorporation of low-maintenance and low-input plant materials into urban landscapes. Some fine-leaved Festuca grass species have been used in formal gardens and native urban landscapes because of their inherent tolerance to abiotic stresses, but native, ornamental types (tall and non-spreading with multico...

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