Conjugated amplifying polymers for optical sensing applications

S Rochat, TM Swager - ACS applied materials & interfaces, 2013 - ACS Publications
Thanks to their unique optical and electrochemical properties, conjugated polymers have
attracted considerable attention over the last two decades and resulted in numerous …

Macromolecular amplification of binding response in superaptamer hydrogels

W Bai, NA Gariano, DA Spivak - Journal of the American Chemical …, 2013 - ACS Publications
It is becoming more important to detect ultralow concentrations of analytes for biomedical,
environmental, and national security applications. Equally important is that new methods …

Naked eye detection of lung cancer associated miRNA by paper based biosensing platform

UH Yildiz, P Alagappan, B Liedberg - Analytical chemistry, 2013 - ACS Publications
This letter demonstrates a biosensing platform for naked eye detection of miRNA, fabricated
using a poly (vinylidene fluoride) thin paper impregnated with positively charged poly (3 …

A Thioannulation Approach to Substituted Thiophenes from Morita–Baylis–Hillman Acetates of Acetylenic Aldehydes

CR Reddy, RR Valleti, MD Reddy - The Journal of Organic …, 2013 - ACS Publications
A new protocol has been developed for the synthesis of substituted thiophenes under mild
and metal-free reaction conditions via the base-promoted thioannulation of Morita–Baylis …

Direct molecular detection of SRY gene from unamplified genomic DNA by metal-enhanced fluorescence and FRET

D Brouard, O Ratelle, AG Bracamonte, M St-Louis… - Analytical …, 2013 - pubs.rsc.org
A biosensor based on a cationic polymer and metal@ silica core–shell nanoparticles is
demonstrated for the rapid identification of the SRY gene from unamplified human genomic …

Toward an understanding of how the optical property of water-soluble cationic polythiophene derivative is altered by the addition of salts: The Hofmeister effect

M Qiu, S Long, B Li, L Yan, W Xie, Y Niu… - The Journal of …, 2013 - ACS Publications
Hofmeister ion-specific effects on optical properties of a water-soluble cationic polymer, poly
(3-alkoxy-4-methylthiophene)(PMNT), are investigated by means of absorption, resonance …

Selective Fluorescence Quenching in Cationic Fluorene‐Thiophene Diblock Copolymers for Ratiometric Sensing of Anions

SM Fonseca, RP Galvão, HD Burrows… - Macromolecular …, 2013 - Wiley Online Library
The cationic, all‐conjugated AB diblock copolymer poly [9, 9‐bis (2‐ethylhexyl) fluorene]‐b‐
poly [3‐(6‐trimethylammoniumhexyl) thiophene] bromide (PF2/6‐b‐P3TMAHT) shows dual …

Copper-catalyzed tandem S-alkylation and S-alkenylation of sodium sulfide: synthesis of 2, 3-dihydrothiophenes and thiophenes

Q Liao, W You, ZB Lou, LR Wen, C Xi - Tetrahedron Letters, 2013 - Elsevier
An efficient synthetic approach to variously substituted 2, 3-dihydrothiophenes has been
developed. The reaction proceeded by copper-catalyzed tandem S-alkylation and S …

Fluorescence enhancement of Ru (bpy) 32+ by core–shell Ag@ SiO2 nanocomposites

N Yin, Y Liu, L Liu, J Lei, T Jiang, H Wang, L Zhu… - Journal of alloys and …, 2013 - Elsevier
Enhancement of the light emission of dye molecules (Ru (bpy) 3 2+) was studied by coating
dye-doped SiO 2 layer on Ag core. The enhancement ratio was found to be relative to the …

Impact of DNA Sequence and Oligonucleotide Length on a Polythiophene‐Based Fluorescent DNA Biosensor

I Charlebois, C Gravel, N Arrad… - Macromolecular …, 2013 - Wiley Online Library
DNA hybridization is a universal and specific mechanism for the recognition of biological
targets. Some cationic polythiophene transducers sensitive to DNA structure have been …