June 2009 Volume 8 Number 6, pp 439 - 533
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EDITORIAL
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BOOM TIME FOR BIOMATERIALS p439
Rapid developments are afoot in the field of biomaterials, and are likely
to have major effects on patient care soon. But science isn't the only
thing defining the pace of progress.
doi:10.1038/nmat2451
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CORRESPONDENCE
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DECISIONS ON THE EUROPEAN SPALLATION SOURCE p440
Dimitri N. Argyriou and Heloisa Nunes Bordallo
doi:10.1038/nmat2464
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COMMENTARY
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BIOLOGY TAKES CENTRE STAGE pp441 - 443
James W. Burns
doi:10.1038/nmat2462
Abstract: http://links.ealert.nature.com/ctt?kn=96&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
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INTERVIEW
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THE EVOLUTION OF BIOMATERIALS pp444 - 445
Robert Langer has spent more than 30 years working with biomaterials
and has seen their development from simple implants to complex
multifunctional interfaces with the body. He shares his vision of the
field's origins and what the future holds with Nature Materials.
doi:10.1038/nmat2447
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RESEARCH HIGHLIGHTS
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OUR CHOICE FROM THE RECENT LITERATURE p446
doi:10.1038/nmat2452
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NEWS AND VIEWS
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DRUG DELIVERY: OLD POLYMER LEARNS NEW TRACTS pp447 - 448
Sustained gene knockdown by the aid of a well-known biodegradable
polymer has shown that old materials can still be used to solve new
problems.
Michael J. Campolongo and Dan Luo
doi:10.1038/nmat2456
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MATERIAL WITNESS: WHAT MAKES NANOMACHINES WORK? p448
Philip Ball
doi:10.1038/nmat2450
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POLYMER FILMS: JUST SPRAY IT pp449 - 450
Spray-coating of multilayer films on fibre mats yields conformal
coatings, opening up new possibilities for the fabrication of protective
clothing and reactive membranes.
Merlin Bruening and David Dotzauer
doi:10.1038/nmat2454
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WHEN SMALL IS BETTER pp450 - 451
Nanoparticles containing a silver iodine core and a polymer shell have
superionic conductance even near room temperature, showing promise for
a new generation of electrochemical devices.
Mark A. Green
doi:10.1038/nmat2457
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BIOMATERIALS: SPOTLIGHT ON HYDROGELS pp451 - 453
By using light to control the degradation of hydrogel components in
space and time, researchers have generated a tool to help them
reconstruct functional biological tissues in a culture dish.
Matthias P. Lutolf
doi:10.1038/nmat2458
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TUMOUR TARGETING: NANOANTENNAS HEAT UP pp453 - 454
Advances in the functionality of multifunctional nanoparticles push
their potential for the remote detection and treatment of cancer nearer
to real-life patient care.
Weian Zhao and Jeffrey M. Karp
doi:10.1038/nmat2463
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REVIEW
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COMPLEXITY IN BIOMATERIALS FOR TISSUE ENGINEERING pp457 - 470
Elsie S. Place, Nicholas D. Evans and Molly M. Stevens
doi:10.1038/nmat2441
Abstract: http://links.ealert.nature.com/ctt?kn=17&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
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LETTERS
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SIMILARITIES BETWEEN STRUCTURAL DISTORTIONS UNDER PRESSURE AND CHEMICAL
DOPING IN SUPERCONDUCTING BaFe2As2 pp471 - 475
Fe-based superconductors have attracted tremendous interest recently.
New evidence on BaFe2As2 shows that chemical doping and pressure, both
of which induce superconductivity, distort the lattice in similar ways.
The result provides important information in the quest for an
understanding of the mechanism behind superconductivity.
Simon A. J. Kimber et al.
doi:10.1038/nmat2443
Abstract: http://links.ealert.nature.com/ctt?kn=117&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
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SIZE-CONTROLLED STABILIZATION OF THE SUPERIONIC PHASE TO ROOM TEMPERATURE
IN POLYMER-COATED AgI NANOPARTICLES pp476 - 480
Silver iodide is a well-known ionic conductor. However, it shows superionic
conductivity only in its high-temperature phase (above~150 [compfn]C).
It is now demonstrated that various sizes of nanoparticles can be
synthesized for which the superionic phase is stable down to ~30 [compfn]C.
The results suggest promising applications in silver-ion-based
electrochemical devices.
Rie Makiura et al.
doi:10.1038/nmat2449
Abstract: http://links.ealert.nature.com/ctt?kn=23&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
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CONTROLLING INTERPENETRATION IN METAL-ORGANIC FRAMEWORKS BY LIQUID-PHASE
EPITAXY pp481 - 484
Metal-organic frameworks are highly porous materials that are promising
for drug release and gas storage. A liquid-phase-epitaxy approach that
prevents interpenetration and retains the pore size is now proposed.
Osama Shekhah et al.
doi:10.1038/nmat2445
Abstract: http://links.ealert.nature.com/ctt?kn=107&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
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ARTICLES
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ELECTRIC MODULATION OF CONDUCTION IN MULTIFERROIC Ca-DOPED BiFeO3 FILMS
pp485 - 493
Multiferroics offer intriguing opportunities for sensing and information
storage applications, although their integration into electronic devices
has been difficult owing to a lack of suitable electronic control.
Electric modulation of conduction is now achieved for a doped
multiferroic, resulting in complete control over the ferroelectric state
itself.
C.-H. Yang et al.
doi:10.1038/nmat2432
Abstract: http://links.ealert.nature.com/ctt?kn=12&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
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STRETCHABLE ACTIVE-MATRIX ORGANIC LIGHT-EMITTING DIODE DISPLAY USING
PRINTABLE ELASTIC CONDUCTORS pp494 - 499
Stretchable electronics enables applications on arbitrary curved surfaces
or on movable parts to be made. Based on a new technique for printing
with carbon nanotube pastes, stretchable active matrix displays containing
integrated electronic circuits are now realized.
Tsuyoshi Sekitani et al.
doi:10.1038/nmat2459
Abstract: http://links.ealert.nature.com/ctt?kn=21&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
Article: http://links.ealert.nature.com/ctt?kn=103&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
A HIGHLY ORDERED NANOSTRUCTURED CARBON-SULPHUR CATHODE FOR LITHIUM-SULPHUR
BATTERIES pp500 - 506
The high capacity and energy densities of lithium sulphur batteries make
them promising for applications, but their widespread realization has been
hindered by problems at the interface between the cell components. A
conductive mesoporous carbon-sulphur cathode framework capable of
constraining sulphur growth and generating electrical contact to the
insulating sulphur is now reported.
Xiulei Ji, Kyu Tae Lee and Linda F. Nazar
doi:10.1038/nmat2460
Abstract: http://links.ealert.nature.com/ctt?kn=34&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
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TEMPLATED FORMATION OF GIANT POLYMER VESICLES WITH CONTROLLED SIZE
DISTRIBUTIONS pp507 - 511
The size distribution of polymer vesicles and phospholipids is usually
polydisperse as there are no selection rules for the overall size. A
method combining photolithography and molecular self-assembly can now
produce giant polymer vesicles with controlled and narrow size
distributions.
Jonathan R. Howse et al.
doi:10.1038/nmat2446
Abstract: http://links.ealert.nature.com/ctt?kn=64&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
Article: http://links.ealert.nature.com/ctt?kn=4&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
SPRAYING ASYMMETRY INTO FUNCTIONAL MEMBRANES LAYER-BY-LAYER pp512 - 518
A process based on spray-assisted layer-by-layer deposition produces
conformal coatings on individual fibres within the bulk porous substrate.
Additional processing creates a sublayer with properties that differ
from the substrate. The method is used to fabricate a material that acts
as both a toxin barrier and a photocatalyst.
Kevin C. Krogman et al.
doi:10.1038/nmat2430
Abstract: http://links.ealert.nature.com/ctt?kn=115&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
Article: http://links.ealert.nature.com/ctt?kn=40&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
FREE-STANDING NANOPARTICLE SUPERLATTICE SHEETS CONTROLLED BY DNA
pp519 - 525
Free-standing nanoparticle superlattices offer interesting possibilities
for the design of devices free from undesired effects of substrates.
DNA can now be used to obtain superlattices with control over
interparticle spacing, offering an alternative perspective on the
synthesis of nanoparticle solids.
Wenlong Cheng et al.
doi:10.1038/nmat2440
Abstract: http://links.ealert.nature.com/ctt?kn=65&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
Article: http://links.ealert.nature.com/ctt?kn=120&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
INTRAVAGINAL GENE SILENCING USING BIODEGRADABLE POLYMER NANOPARTICLES
DENSELY LOADED WITH SMALL-INTERFERING RNA pp526 - 533
Concerns over safety and the inability to control release have hampered
progress towards instilling siRNA into mucosal tissue for protection
against and treatment of human disease. Nanoparticles made from
FDA-approved polymers have now been loaded with large amounts of siRNA
and topically applied to vaginal mucosa leading to sustained gene
silencing.
Kim A. Woodrow et al.
doi:10.1038/nmat2444
Abstract: http://links.ealert.nature.com/ctt?kn=54&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
Article: http://links.ealert.nature.com/ctt?kn=89&m=33107265&r=MTc2NDk2MzQxMQS2&b=2&j=NDk4ODkyMzgS1&mt=1&rt=0
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