Uwe H. F. Bunz

Concave Butterfly-Shaped Organometallic Hydrocarbons? U.H.F.B. and M.L. thank the NSF for generous support (CAREER, CHE 9981765, 2000-2004). U.H.F.B. is Camille Dreyfus Teacher-Scholar (2000-2004).

Chiroptical properties of poly(p-phenyleneethynylene) copolymers in thin films: large g-values.

Organometallic dendrimers based on (tetraphenylcyclobutadiene)cyclopentadienylcobalt modules.

Increased activity of in situ catalysts for alkyne metathesis.

Synthesis and structural characterization of organometallic cyclynes: novel nanoscale, carbon-rich topologies.

Synthesis and explosive decomposition of organometallic dehydro[18]annulenes: an access to carbon nanostructures.

Grafted conjugated polymers: synthesis and characterization of a polyester side chain substituted poly(paraphenyleneethynylene).

A biosensing model system: selective interaction of biotinylated PPEs with streptavidin-coated polystyrene microspheres.

Conformational and electronic engineering of twisted diphenylacetylenes.

Preferential end-to-end assembly of gold nanorods by biotin-streptavidin connectors.

Cruciform pi-systems: hybrid phenylene-ethynylene/phenylene-vinylene oligomers.

Permanent bubble arrays from a cross-linked poly(para-phenyleneethynylene): picoliter holes without microfabrication.

Cruciform pi-systems: effect of aggregation on emission.

Pyridine-capped, oligomeric (o-phenyleneethynylene)s.

Sugar-poly(para-phenylene ethynylene) conjugates as sensory materials: efficient quenching by Hg2+ and Pb2+ ions.

Templated ceramic microstructures by using the breath-figure method.

Mannose-substituted PPEs detect lectins: a model for Ricin sensing.

Switching of intramolecular charge transfer in cruciforms: metal ion sensing.

Chemistry. How are alkynes scrambled?

Nonspecific interactions of a carboxylate-substituted PPE with proteins. A cautionary tale for biosensor applications.

Derivatives of octaethynylphenazine and hexaethynylquinoxaline.

Synthesis of a peralkynylated pyrazino[2,3-g]quinoxaline.

Modulating the sensory response of a conjugated polymer by proteins: an agglutination assay for mercury ions in water.

Supramolecular cruciforms.

Reduced fluorescence quenching of cyclodextrin-acetylene dye rotaxanes.

Cruciforms as functional fluorophores: response to protons and selected metal ions.

A thiadiazole-fused N,N-dihydroquinoxaline: antiaromatic but isolable.

Controlling polymer properties through dynamic metal-ligand interactions: supramolecular cruciforms made easy.

Use of a folate-PPE conjugate to image cancer cells in vitro.

Hydroxy-cruciforms.

Array-based sensing of proteins using conjugated polymers.

Phenothiazine cruciforms: synthesis and metallochromic properties.

Terpyridine-based cruciform-Zn2+ complexes as anion-responsive fluorophores.

Rapid and efficient identification of bacteria using gold-nanoparticle-poly(para-phenyleneethynylene) constructs.

Hydroxycruciforms: amine-responsive fluorophores.

Water-soluble cruciforms: response to protons and selected metal ions.

1,3-Dipolar cycloaddition of alkynes to azides. Construction of operationally functional metal responsive fluorophores.

Fluorescence self-quenching of a mannosylated poly(p-phenyleneethynylene) induced by concanavalin A.

Anomalous photophysics of bis(hydroxystyryl)benzenes: a twist on the para/meta dichotomy.

Are N,N-dihydrodiazatetracene derivatives antiaromatic?

Molecular recognition based on low-affinity polyvalent interactions: selective binding of a carboxylated polymer to fibronectin fibrils of live fibroblast cells.

Detection and identification of proteins using nanoparticle-fluorescent polymer 'chemical nose' sensors.

Cruciform-silica hybrid materials.

Nano-conjugate fluorescence probe for the discrimination of phosphate and pyrophosphate.

Water soluble cruciforms: effect of surfactants on fluorescence.

6,13-Diethynyl-5,7,12,14-tetraazapentacene.

Hyperbranched: a universal conjugated polymer platform.

4n pi electrons but stable: N,N-dihydrodiazapentacenes.

Detection and differentiation of normal, cancerous, and metastatic cells using nanoparticle-polymer sensor arrays.

N-heteroacenes.

Alkynylated aceno[2,1,3]thiadiazoles.

Unsymmetrical cruciforms.

Bis(4'-dibutylaminostyryl)benzene: spectroscopic behavior upon protonation or methylation.

Acidochromicity of bisarylethynylbenzenes: hydroxy versus dialkylamino substituents.

Cross-conjugated cruciform fluorophores.

Array-based sensing of normal, cancerous, and metastatic cells using conjugated fluorescent polymers.

Sensing of proteins in human serum using conjugates of nanoparticles and green fluorescent protein.

Water-soluble benzo- and naphtho-thiadiazole-based bistriazoles and their metal-binding properties.

Enzyme-amplified array sensing of proteins in solution and in biofluids.

Gold nanoparticle-fluorophore complexes: sensitive and discerning "noses" for biosystems sensing.

Alpha-oligofurans: molecules without a twist.

Effects of electronegative substitution on the optical and electronic properties of acenes and diazaacenes.

Hydroxydialkylamino cruciforms: amphoteric materials with unique photophysical properties.

An efficient synthesis of tetraazapentacenes.

Discrimination of organic acids using a three molecule array based upon cruciform fluorophores.

Colorimetric bacteria sensing using a supramolecular enzyme-nanoparticle biosensor.

Poly(aryleneethynylene)s.

Stable hexacenes through nitrogen substitution.

Aldehyde cruciforms: dosimeters for primary and secondary amines.

Water-soluble distyrylbenzenes: one core with two sensory responses--turn-on and ratiometric.

Cruciforms' polarized emission confirms disjoint molecular orbitals and excited states.

Large azaacenes: pyridine rings reacting like carbonyl groups.

Synthesis and optical properties of diaza- and tetraazatetracenes.

Gold nanoparticle-polymer/biopolymer complexes for protein sensing.

Aggregation and interaction of cationic nanoparticles on bacterial surfaces.

Alkene metathesis - a tool for the synthesis of conjugated polymers.

para-Connected cyclophenylenes and hemispherical polyarenes: building blocks for single-walled carbon nanotubes?

Aldehyde-appended distyrylbenzenes: amine recognition in water.

Imine formation as a simple reaction to construct copper-reactive cruciform fluorophores.

Reactions of large tetraaza-N,N'-dihydroacenes: formation of unexpected adducts and an unstable tetraazahexacene.

Water-soluble bis-triazolyl benzochalcogendiazole cycloadducts as tunable metal ion sensors.

From thia- to selenadiazoles: changing interaction priority.

Twisted tethered tolanes: unanticipated long-lived phosphorescence at 77 K.

Large N-heteroacenes: new tricks for very old dogs?

Poly(para-phenylene vinylene) and polynorbornadiene containing rod-coil block copoylmers via combination of acyclic diene metathesis and ring-opening metathesis polymerization.

Water-soluble cruciforms and distyrylbenzenes: synthesis, characterization, and pH-dependent amine-sensing properties.

Click to bind: metal sensors.

The photophysics of pyridine-derivatized ortho-, meta-, and para-dibutylamino cruciforms.