نتایج جستجو برای: smart polymers

تعداد نتایج: 144747  

Journal: :Chemical communications 2014
Anca D Rusu Ioana A Moleavin Nicolae Hurduc Matthieu Hamel Licinio Rocha

By combining the sensitivity of fluorescent units with the response of "smart" polymers to environmental changes, we propose a new approach for chemical detection applications. The system proved to be sensitive to 12 ppb of diethyl chlorophosphate (DCP), a Sarin surrogate, and to discriminate between the interfering molecules.

Journal: :Chemical communications 2008
Wei Chen Liangti Qu Dongwook Chang Liming Dai Sabyasachi Ganguli Ajit Roy

We have demonstrated that the infiltration of temperature-responsive polymers (e.g., PNIPAAm) into vertically-aligned carbon nanotube forests created synergetic effects, which provided the basis for the development of smart nanocomposite films with temperature-induced self-cleaning and/or controlled release capabilities.

Journal: :Advanced healthcare materials 2014
Michael A Invernale Benjamin C Tang Royce L York Long Le David Yupeng Hou Daniel G Anderson

Here, efforts toward the development of a microneedle-based glucose sensor or "smart patch" for intradermal glucose sensing are described. Metallic microneedle array electrodes, conducting polymers, and glucose oxidase form the sensor platform. This work represents the first steps toward the development of painless, transdermal-sensing devices for continuous glucose monitoring.

Journal: :Chemical communications 2013
Biqing Bao Nanjiao Tao Dongliang Yang Lihui Yuwen Lixing Weng Quli Fan Wei Huang Lianhui Wang

The authors demonstrate a smart and versatile approach for preparing multi-spectral conjugated polymers from a commercial precursor MEH-PPV without tedious synthetic modification. Multi-color CPNs with small size have also been successfully prepared using a modified-reprecipitation procedure for live cell imaging.

2011
Miriam Amiram Felipe Garcia Quiroz Daniel J. Callahan Ashutosh Chilkoti

Robust high-throughput synthesis methods are needed to expand the repertoire of repetitive protein-polymers for different applications. To address this need, we developed a new method, overlap extension rolling circle amplification (OERCA), for the highly parallel synthesis of genes encoding repetitive protein-polymers. OERCA involves a single PCR-type reaction for the rolling circle amplificat...

Journal: :Methods in molecular biology 2012
José Carlos Rodríguez-Cabello Alessandra Girotti Artur Ribeiro Francisco Javier Arias

In this chapter, we describe two methods for bio-producing recombinant repetitive polypeptide polymers for use in biomedical devices. These polymers, known as elastin-like recombinamers (ELRs), are derived from the repetition of selected amino acid domains of extracellular matrix proteins with the aim of recreating their mechanical and physiological features. The proteinaceous nature of ELRs al...

Journal: :Journal of innovative science and engineering 2022

Smart materials that can reverse one or more of their functional structural properties according to the external stimulus are most trending topic our time. Many fields, including medicine, benefit from smart polymers, which these materials. In this review, we will talk about synthetic piezoelectric members polymer family, and give an overview use in different medical fields examine points where...

2017
Lucia Panzella Alessandra Napolitano

Natural phenol polymers are widely represented in nature and include a variety of classes including tannins and lignins as the most prominent. Largely consumed foods are rich sources of phenol polymers, notably black foods traditionally used in East Asia, but other non-edible, easily accessible sources, e.g., seaweeds and wood, have been considered with increasing interest together with waste m...

Journal: :Chemical reviews 2009
Mary M Caruso Douglas A Davis Qilong Shen Susan A Odom Nancy R Sottos Scott R White Jeffrey S Moore

Engineering applications of synthetic polymers are widespread due to their availability, processability, low density, and diversity of mechanical properties (Figure 1a). Despite their ubiquitous nature, modern polymers are evolving into multifunctional systems with highly sophisticated behavior. These emergent functions are commonly described as “smart” characteristics whereby “intelligence” is...

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