Synthesis and micellization of redox-responsive dynamic covalent multi-block copolymers

2016 ◽  
Vol 7 (18) ◽  
pp. 3145-3155 ◽  
Author(s):  
Wei Hu ◽  
Changyu He ◽  
Lianjiang Tan ◽  
Bingya Liu ◽  
Zhenggang Zhu ◽  
...  
Keyword(s):  
Block Copolymers ◽  
Nanostructured Materials ◽  
Redox Responsive ◽  
Different Types

Multi-block copolymers, which are composed of two or more covalent interconnected polymeric segments of different types, offer unparalleled opportunities for designing new nanostructured materials with enhanced functionality and properties.

Electrochemical Immunosensors Based on Nanostructured Materials for Sensing of Prostate-Specific Antigen: A Review

2020 ◽  
Vol 28 ◽  
Author(s):  
Hayati Filik ◽  
Asiye Aslıhan Avan ◽  
Mustafa Özyürek
Keyword(s):  
Prostate Specific Antigen ◽  
Nanostructured Materials ◽  
Specific Antigen ◽  
Electrochemical Immunosensor ◽  
Label Free ◽  
Electrochemical Immunosensors ◽  
Metal Metal ◽  
Different Types ◽  
Sandwich Type ◽  
Carbon Based Nanomaterials

: The prostate-specific antigen (PSA) has been considered a crucial serological marker for distinguishing prostate based cancer. This surveys recent progress in the construction of nanomaterial-based electrochemical immunosensors for a PSA. This review (from 2015 to 2020) reports the latest progress in PSA sensing based on the employ of different types of nanostructured materials. The most popular used nanostructured materials are metal, metal oxide, carbon-based nanomaterials, and their hybrid architectures utilized for distinct amplification protocols. In this review, the electrochemical immunosensors for prostate-specific antigen sensing are classified into three categories such as sandwich type@labeled, label free@nonlabeled and aptamer-based electrochemical immunosensor.

Self-assembly and disassembly of a redox-responsive ferrocene-containing amphiphilic block copolymer for controlled release

2015 ◽  
Vol 6 (10) ◽  
pp. 1817-1829 ◽  
Author(s):  
Lichao Liu ◽  
Leilei Rui ◽  
Yun Gao ◽  
Weian Zhang
Keyword(s):  
Controlled Release ◽  
Block Copolymer ◽  
Block Copolymers ◽  
Rhodamine B ◽  
Self Assembly ◽  
Amphiphilic Block Copolymer ◽  
Model Molecule ◽  
Redox Responsive

The synthesis and self-assembly of ferrocene-containing block copolymers PEG-b-PMAEFc, and the encapsulation and redox-responsive release of a model molecule (rhodamine B) upon external redox stimuli (H2O2).

Structural change with blending of crystalline/amorphous block copolymers having different types of microphase separations

Polymer ◽  
2011 ◽  
Vol 52 (26) ◽  
pp. 6146-6153 ◽  
Author(s):  
Masaki Kakiage ◽  
Miho Sekiya ◽  
Takeshi Yamanobe ◽  
Hiroki Uehara
Keyword(s):  
Structural Change ◽  
Block Copolymers ◽  
Amorphous Block ◽  
Different Types

A 700 Hz Valve for Dispensing High Viscosity Molten Polymers Using a Piezo-Electrically Driven Star Frame Mechanical Amplifier

2000 ◽  
Author(s):  
Bill Hassler
Keyword(s):  
Block Copolymers ◽  
High Viscosity ◽  
Coating Materials ◽  
Different Types ◽  
Molten Polymers ◽  
Ball Diameter ◽  
Piezo Electric

Abstract A valve was designed, built, and tested using a Star Frame mechanical amplifier driven by multilayered piezo-electric actuators. This valve was designed to dispense many different types of molten polymers, adhesives, and highly rilled coating materials. The valve was a simple ball and seat design with a stroke of 0.38 mm, a ball diameter of 2.4 mm, and a seating diameter of 1.5 mm. The valve was successfully tested with molten block copolymers with viscosities as high as 45,000 centipoise, at temperatures of up to 190 deg. C and at frequencies of up to 700 Hz continuous duty. The valve was also successfully tested at 1 kHz for short durations.

Redox-responsive core cross-linked micelles based on cypate and cisplatin prodrugs-conjugated block copolymers for synergistic photothermal–chemotherapy of cancer

2014 ◽  
Vol 5 (11) ◽  
pp. 3707-3718 ◽  
Author(s):  
Yu Han ◽  
Junjie Li ◽  
Minghui Zan ◽  
Shizhong Luo ◽  
Zhishen Ge ◽  
...  
Keyword(s):  
Block Copolymers ◽  
Synergistic Effect ◽  
Redox Responsive

A synergistic effect of photothermal and chemotherapy of cancers was demonstrated using redox-responsive core cross-linked micelles fabricated from cypate and cisplatin prodrugs-conjugated block copolymers.

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