Polymeric materials with integrated functionalities are required to match their ever-expanding practical applications, but there is always a trade-off between complex material performances and synthetic simplification. A simple effective synthesis route reported transform small molecule of biological origin, thioctic acid, into high-performance supramolecular polymeric material, which combines processability, ultrahigh stretchability, rapid self-healing ability, reusable adhesivity surfaces....

A fluorescence sensor for Ag(I) ions is developed based on the target-induced conformational change of a silver-specific cytosine-rich oligonucleotide (SSO) and interactions between fluorogenic SSO probe graphene oxide.

Three new phenothiazine organic dyes containing thiophene, 3-(5-(3-(4-(bis(4-methoxy phenyl)amino)phenyl)-10-octyl-10H-phenothiazin-7-yl)thiophen-2-yl)-2-cyanoacrylic acid (P1), 3-(5-(3-(4-(diphenylamino)phenyl)-10-octyl-10H-phenothiazin-7-yl)thiophen-2-yl)-2-cyanoacrylic (P2) and 2-cyano-3-(5-(10-octyl-3-(4-(2,2-diphenylvinyl)phenyl)-10H-phenothiazin-7-yl)thiophen-2-yl) acrylic (P3) were designed synthesized as sensitizers for application in dye-sensitized solar cells (DSSCs). For these...

Two novel metal-free dyes (DPP-I and DPP-II) with a diketopyrrolopyrrole (DPP) core were synthesized for dye-sensitized solar cells (DSSCs). The absorption spectra electrochemical photovoltaic properties of DPP-I DPP-II extensively investigated. Electrochemical measurement data indicate that the tuning HOMO LUMO energy levels can be conveniently accomplished by alternating π-conjugated systems. Besides, coadsorption chenodeoxycholic acid (CDCA) hinder formation dye aggregates might improve...

Capturing real-time electron transfer, enzyme activity, molecular dynamics, and biochemical messengers in living cells is essential for understanding the signaling pathways cellular communications. However, there no generalizable method characterizing a broad range of redox-active species single cell at resolution compartments. Although nanoelectrodes have been applied intracellular detection species, fabrication to maximize signal-to-noise ratio probe remains challenging because stringent...

Abstract Organic–inorganic halide perovskites are efficient absorbers for solar cells. Nevertheless, the trap states at surfaces and grain boundaries a detrimental factor compromising device performance. Here, an organic dye (AQ310) is employed as passivator to reduce of promote better stability. The results demonstrate that perovskite minimized by presence AQ310's COOH group formation coordination with under‐coordinated Pb 2+ ions. resulting carrier recombination time prolonged verified...

Mimicking cellular transport mechanisms to make solid-state smart nanochannels has long been of great interest for their diverse applications, but it poses a critical synthetic challenge. Covalent organic frameworks (COFs) are porous crystalline materials with tailor-made and hold potential ion molecule transport. We demonstrate here the first time that 2D COFs possess necessary merits be promising selective amino acids, which basis life. By imine condensations C3-symmetric trialdehyde...

ADVERTISEMENT RETURN TO ISSUEReviewNEXTElectrochemical Sensing at a Confined SpaceSi-Min LuSi-Min LuState Key Laboratory of Analytical Chemistry for Life Science, School and Chemical Engineering, Nanjing University, 210023, P. R. ChinaMore by Si-Min LuView Biography, Yue-Yi PengYue-Yi PengState PengView Yi-Lun YingYi-Lun YingState YingView Biographyhttp://orcid.org/0000-0001-6217-256X, Yi-Tao Long*Yi-Tao LongState China*Email: [email protected]More LongView...

Single-molecule measurements have greatly enhanced our understanding of living systems. Biological systems offer nanopores, a sub-class membrane proteins, the well-defined confined space for accommodating single molecule. The biological nanopore acts as single-biomolecule interface capturing and identifying molecule interest, thus it can be used single-molecule sensor. In this Perspective, we focus on nanopore-based interfaces detection. First, outline design interface, which provides rich...

A series of negatively charged α-helical peptides the general formula fluorenylmethoxycarbonyl (Fmoc)-DxAyKz were synthesized, where x and z 1, 2, or 3 y was 10, 14, 18, 22. The translocation through single pores, which self-assembled into lipid membranes, analyzed by measuring current blockade iblock duration tblock. pores either α-hemolysin, has a wide vestibule leading pore, aerolysin, no but longer pore similar diameter. Many thousands events measured for each peptide with they could be...

Bacterial α-hemolysin forms a pore in lipid membrane with well-behaved single-channel conductance so that the transit of single molecules can be studied. Here we demonstrate structure individual peptides analyzed. Peptides were synthesized containing repeats sequence (Gly−Pro−Pro), which exist as mixtures single, double, or collagen-like triple helices. The could identified they traverse based on signature times and blockage currents.

A new starburst organic sensitizer (I) with carbazole units as antennas and the corresponding dyes (II III) triphenylamine or one moiety (for purpose of comparison) were designed synthesized, in which moieties used electron donor, thiophene π-conjugated bridge, a cyanoacrylic acid group acceptor. The photophysical electrochemical properties investigated by UV-vis spectrometry cyclic voltammetry. Electrochemical measurement data indicate that tuning HOMO LUMO energy levels can be conveniently...

A novel facile method of fabricating disposable and highly reproducible surface-enhanced Raman spectroscopy (SERS) arrays using screen printing was explored. The ink containing silver nanoparticles prepared printed on supporting materials by a process to fabricate SERS (6 × 10 spots) in large batches. fabrication conditions, performance application these were systematically investigated, detection limit 1.6 10(-13) M for rhodamine 6G could be achieved. Moreover, the exhibited high...

A novel fluorescent probe for peroxynitrite, PN600, was rationally designed on the basis of a unique fluorophore assembly approach. PN600 is green-emitting coumarin derivative. Upon oxidation by transformed into highly red-emitting resorufin derivative via an orange-emitting intermediate. This three-channel signaling capability enables to differentiate peroxynitrite from other reactive oxygen and nitrogen species, including hypochlorite hydroxyl radical. Moreover, membrane-permeable...

A novel facile method for on-site detection of substituted aromatic pollutants in water using thin layer chromatography (TLC) combined with surface-enhanced Raman spectroscopy (SERS) was explored. Various aromatics polluted were separated by a convenient TLC protocol and then detected portable spectrometer the prepared silver colloids serving as SERS-active substrates. The effects operating conditions on efficacy evaluated, application TLC−SERS to artificial real-life samples...