نتایج جستجو برای: stealth properties

تعداد نتایج: 870525  

Journal: :Biomacromolecules 2013
Michael J Isaacman Eleonora M Corigliano Luke S Theogarajan

The strain-promoted azide-alkyne cycloaddition represents an optimal metal-free method for the modular coupling of amphiphilic polymer blocks. Hydrophilic poly(oxazoline) (PMOXA) or poly(ethylene glycol) (PEG) A-blocks were coupled with a hydrophobic poly(siloxane) B-block to provide triblock copolymers capable of self-assembling into vesicular nanostructures. Stealth properties investigated vi...

2017
Wei Liu Arnaud Chaix Magali Gary-Bobo Bernard Angeletti Armand Masion Afitz Da Silva Morgane Daurat Laure Lichon Marcel Garcia Alain Morère Khaled El Cheikh Jean-Olivier Durand Frédérique Cunin Mélanie Auffan

A challenge regarding the design of nanocarriers for drug delivery is to prevent their recognition by the immune system. To improve the blood residence time and prevent their capture by organs, nanoparticles can be designed with stealth properties using polymeric coating. In this study, we focused on the influence of surface modification with polyethylene glycol and/or mannose on the stealth be...

Journal: :Chemical communications 2010
Tomonori Waku Masahiro Matsumoto Michiya Matsusaki Mitsuru Akashi

The surfaces of biodegradable peptide nanospheres with density-controllable poly(ethylene glycol) (PEG) brush layers were amenable to high levels of control, from hydrophilic 'stealth' properties to hydrophobic adsorptive properties depending on the PEG density in response to environmental conditions -'intelligent' properties that are expected to be useful for novel drug delivery systems.

2004
Aaron Striegel

While network-level multicast has tremendous potential for increasing the efficiency of group-oriented applications, the adoption of network-level multicast has been tepid at best. In this paper, we propose a novel concept entitled stealth multicast that allows for practical adoption of network-level multicast on a domain-wise basis rather than global scale. In the stealth multicast model, simi...

Journal: :Optics letters 2014
Ben Wu Alexander N Tait Matthew P Chang Paul R Prucnal

We propose and experimentally demonstrate a wavelength-division multiplexed (WDM) optical stealth transmission system carried by amplified spontaneous emission (ASE) noise. The stealth signal is hidden in both time and frequency domains by using ASE noise as the signal carrier. Each WDM channel uses part of the ASE spectrum, which provides more flexibility to apply stealth transmission in a pub...

2015
Laura K. Allen Danielle S. McNamara

The current study investigates the degree to which the lexical properties of students’ essays can inform stealth assessments of their vocabulary knowledge. In particular, we used indices calculated with the natural language processing tool, TAALES, to predict students’ performance on a measure of vocabulary knowledge. To this end, two corpora were collected which contained essays from early col...

2015
Laura K. Allen Danielle S. McNamara

The current study investigates the degree to which the lexical properties of students’ essays can inform stealth assessments of their vocabulary knowledge. In particular, we used indices calculated with the natural language processing tool, TAALES, to predict students’ performance on a measure of vocabulary knowledge. To this end, two corpora were collected which contained essays from early col...

2005
David Salyers Aaron Striegel

In this paper, we present a novel approach, stealth multicast, which offers a practical solution for the adoption of network-level IP multicast. Rather than focusing on a global scale such as with previous approaches, stealth multicast optimizes efficiency on a domain-wise scale. In short, stealth multicast dynamically combines redundant data payloads into virtual groups for multicast transmiss...

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