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[C&EN November 4, 2008]
Nanotubes Deemed Different From Carbon
EPA clarifies to industry that material must be treated as new substance.
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[C&EN November 3, 2008]
Natural Enzyme Degrades Nanotubes
Horseradish peroxidase and hydrogen peroxide may provide a way to break down carbon nanotubes in the environment.
[C&EN October 20, 2008]
Probing Hazards Of Nanomaterials
Two new centers will orchestrate studies of possible biological and environmental effects.
[C&EN October 6, 2008]
Get Ready For Nanotech Food
Nanoscale materials are hitting the U.S. market in a wide range of food products.
[ES&T October 1, 2008]
Nanosilver toxicity: ions, nanoparticles–or both?
Researchers continue to question whether nanosilver's toxicity arises from its size or its ability to release silver ions.
[C&EN September 22, 2008]
Imaging Molecular Escapes
Method lets researchers watch hydrocarbon chains pass through pores in a nanotube.
[C&EN September 22, 2008]
Catching Catalyst Particles In Action
Analytical methods for probing catalytic nanocrystals while they mediate chemical reactions can uncover insights that lead to better catalysts.
[C&EN September 22, 2008]
Colloidal Dumbbells Form Chiral Chains
Silica nanoparticles joined together by iron oxide line up in a magnetic field to make chiral colloidal helices.
[C&EN September 15, 2008]
Evaluating Nanomaterials
Research alliance will develop means to predict hazards of nanoscale materials.
[C&EN September 15, 2008]
STM Reveals Bimetallic Nanoclusters
High-resolution scanning tunneling microscopy (HRSTM) has afforded researchers an atomic-scale view of a triangle-shaped bimetallic catalyst deposited on a silica substrate for the first time.
[C&EN September 15, 2008]
Making Borosilicate Nanoparticles Is Now Possible
A team of researchers at the Swiss Federal Institute of Technology, Lausanne, reports the first synthesis and characterization of borosilicate nanoparticles.
[C&EN August 11, 2008]
What's Next For Nanotechnology
Future of field lies in hands of the next administration
[C&EN August 4, 2008]
New Growth In Inorganic Nanopeapods
Nanoscientists have discovered a new way to grow inorganic nanopeapods--nanoscale shells that enclose a row of nanoparticles
[C&EN August 4, 2008]
Surface Patterning With Nanoprecision
By corralling self-assembled monolayers (SAMs) within the pores of a supramolecular network, chemists in Europe have developed a method for creating patterns over large surface areas with nanoscale precision
[C&EN July 28, 2008]
Measuring Mass With A Nanotube
Physicists at the University of California, Berkeley, have devised a nanotube-based mechanical sensor with atomic resolution that has several advantages over traditional mass spectrometers
[C&EN July 28, 2008]
Light-Controlled Nanowires
Researchers in China have prepared hybrid organic-inorganic semiconducting nanowires where electrical conductivity can be switched on and off with light
[C&EN July 28, 2008]
Flexible Circuits From Carbon Nanotubes
Random networks of single-walled carbon nanotubes can be used to construct high-performance integrated digital circuits on flexible plastic substrates, according to a new study
[C&EN July 21, 2008]
From Diseases To Devices
Amyloid fibrils are hallmarks of disease but also may provide a basis for advanced nanomaterials
[C&EN July 16, 2008]
Groups Encourage Nanomaterial Stewardship
Some fear EPA's voluntary program could become mandatory if more companies don't step up
[C&EN July 7, 2008]
Compact Bulbs Made Safer
Selenium sorbent lowers risk of mercury exposure from light bulbs
[C&EN June 23, 2008]
Congress Addresses Nanotechnology
Bill reauthorizes federal initiative to monitor and guide R&D in emerging area
[C&EN June 23, 2008]
Nanotube Membranes Desalinate Water
Arrays of densely packed, vertically aligned carbon nanotubes can serve as membranes to filter ions out of water
[C&EN June 23, 2008]
Electron Microscopy For Chemists
Advances in imaging and elemental analysis move TEM toward the realm of analytical chemistry
[C&EN June 9, 2008]
Nanowire Membrane Sops Up Oil
When placed on an oil spill, a thin nanowire mesh membrane material selectively absorbs the oil and leaves water behind
[C&EN June 9, 2008]
Nanoparticles Guide Protein Folding
Coated gold nanoparticles can help denatured proteins refold properly, according to a study.
[ES&T June 4, 2008]
The twin toxics: nanotubes and asbestos
A new study shows that carbon nanotubes that look like asbestos can cause similar health effects.
[C&EN June 2, 2008]
Kavli Prize Winners
Nanoscience award recipients developed quantum dots, carbon nanotubes.
[C&EN May 26, 2008]
Nanotube Inflammation
Long, thin carbon structures exhibit asbestos-like pathogenicity in mice.
[C&EN May 5, 2008]
How to dissolve your carbon nanotubes
Although carbon nanotubes are generally regarded as insoluble in all solvents.
[C&EN May 5, 2008]
Souped-up nanomotors
Drop a bimetal nanowire, composed of a segment of gold and a segment of platinum, into a solution of aqueous hydrogen peroxide and the tiny rod will chug along at about 8 µm/second.
[C&EN May 5, 2008]
Nano-biointeractions need more study
A coordinated global research effort is needed to predict how engineered nanoparticles will interact with biological systems.
[C&EN April 30, 2008]
Firing Up The Tank With Nanoparticles
Aluminum or aluminum oxide particles could help improve fuel efficiency.
[C&EN April 21, 2008]
Nano TV Series Debuts
Public broadcasting provides a forum for discussing the risks and benefits of nanotechnology.
[C&EN April 21, 2008]
Peptide Nanostructure Kills Cancer Cells
By adding crown ether moieties to a polypeptide, chemists in Canada have created a nanoscale chemotherapeutic compound that can selectively and efficiently kill prostate cancer cells (Chem. Commun., DOI: 10.1039/b800528a).
[C&EN April 21, 2008]
Nanocomposite Strategy Eliminates Matrix
The narrow spectral width and high quantum efficiency of lanthanide spectral emission make rare-earth-doped nanocrystals good candidates for optical materials.
[ES&T April 9, 2008]
Silver socks have cloudy lining
A first assessment of socks containing silver nanoparticles, meant to cut down on foot odors, shows that the fabrics release most of the tiny particles in the wash—and possibly into the environment via solid waste from water treatment plants.
[C&EN April 7, 2008]
Nanobacteria May Only Be Nanoparticles
Nanobacteria are a putative novel life form first identified in the 1990s and implicated in the origin of life and in a variety of diseases.
[C&EN March 31, 2008]
Building Businesses
Turning university research into products takes time, money, and initiative as four nanotechnology companies' experiences show.
[C&EN March 31, 2008]
Deciphering Nanoethics
Book is a guide to the future even if the ethical questions have not yet matured.
[ES&T April 1, 2008]
All nanotubes are not created equal
Significant differences among different single-walled carbon nanotubes make it difficult to model their environmental risk.
[AC April 1, 2008]
Photothermal Methods for Single Nonluminescent Nano-Objects
New optical methods allow the detection of tiny individual nano-objects, opening a wide range of applications.
[C&EN March 17, 2008]
FDA Confronts Nanotechnology
Agency believes it has the authority it needs to regulate nanomaterials.
[C&EN March 3, 2008]
Nanotech Strategy
Prioritizing federal efforts for studying health and safety of nanomaterials evolves.
[C&EN February 21, 2008]
Gecko Feet Inspire Medical Adhesive
Nanostructured polymers may replace sutures and staples.
[ES&T February 20, 2008]
Risks of nanotechnology remain uncertain
Despite an onslaught of research, scientists cannot say which nanomaterials are hazardous to the environment or human health.
[C&EN February 18, 2008]
Powerful Threads
Kevlar-nanowire hybrid collects energy from gentle friction.
[C&EN January 31, 2008]
DNA-Guided Crystallization
Selective biochemical interactions organize metal nanoparticles.
[C&EN January 21, 2008]
Nanotubes Create Darkest Dark Material
Materials science has a dark side. Researchers report that they have made the world's darkest material from a low-density, vertically aligned array of carbon nanotubes.
[C&EN January 7, 2008]
Strategic Plan For U.S. Nanotech Updated
As mandated by law, the strategic plan that guides the National Nanotechnology Initiative has been updated to reflect progress in the field.
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November 3, 2008
Employment Outlook: Extreme Chemistry
Chemists working in extreme environments mix science with adventure
October 6, 2008
Networking Know-How
It's not just about finding a job, it's about building relationships
September 29, 2008
C&EN Talks With Stephen Lyons
A television producer's take on what makes good chemistry for the small screen
September 22, 2008
Hybrid Polymers For Healing Voices
Elastin mimics could help grow new vocal cords.
September 15, 2008
Making Borosilicate Nanoparticles Is Now Possible
Researchers used video microscopy to observe the synthesis of borosilicate nanoparticles.
September 15, 2008
Newscripts: Grow A Home
This simulation offers an in-depth look at Plantware's proposed ecoarchitectural process.
September 1, 2008
Bringing Life To Deadly Accidents
Chemical safety board finds a powerful, popular tool in animated videos of chemical plant accidents
August 28, 2008
Camera Iris Mechanism Saves Bacteria
Complementary approaches capture ion channel in its open form
August 19, 2008
Tiny Devices Get A Grip
Tetherless grippers grab and move wee objects
July 21, 2008
Spreading The Joy Of Science
Bayer's worldwide educational programs show students and the public the wonder of science
July 17, 2008
Gold Complex Changes Color Reversibly
Grinding and exposure to solvents trigger phase transformations and color changes
July 7, 2008
What's That Stuff? Bowling Balls
Knocking down pins and getting strikes with polymer science and surface chemistry
July 7, 2008
Took Only A Spark
This Chemical Safety & Hazard Investigation Board video of Barton Solvents plant's destruction explains how a tank farm explosion and fire could have been avoided with proper equipment grounding and better handling of nonconductive flammable liquids
July 7, 2008
Follow The Green Spot
An ultraviolet-light-emitting diode creates a green cloud in a photochromic solution
June 23, 2008
Electron Microscopy For Chemists
Advances in imaging and elemental analysis move TEM toward the realm of analytical chemistry
June 23, 2008
Molecular Cage May Contain ... Nothing
Self-assembled prisms may enclose empty spaces rather than solvent
June 18, 2008
Chaperonin's Lid Works Like A Camera's Iris
Proteins lid shuts to give proteins privacy while folding inside
» more videos...
» Photo Galleries
October 27, 2008
What's That Stuff? Plasma Globes
Inert gases and electricity combine to generate colored streamers of light
September 1, 2008
Scenes From The ACS National Meeting In Philadelphia
August 18, 2008
Converging Pathways
Chemical companies and environmentalists edge closer together in the pursuit of sustainability
August 4, 2008
Flooded Out Of Their Labs
Displaced University of Iowa faculty strive to advance research while waiting to learn extent of lab damage
July 28, 2008
Sugar-Coated Science
Cooking and comedy combine for some sweet results
June 30, 2008
Materials Matter
Quirky library bridges the gap between matter and design
April 7, 2008
Surface Science's Sage
Priestley Medalist Gabor A. Somorjai has been advancing surface chemistry for nearly five decades
April 7, 2008
Molecular Chemistry And Catalysis By Surfaces
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» Podcasts
August 21, 2007
Applications in Drug Discovery Podcasts
Couldn't make it to the Analytical Pavilion at the national meeting in Boston? Download C&EN podcasts of the speakers at the pavilion.
August 20, 2007
Roald Hoffmann: Chemist and Poet
Roald Hoffmann reads some of his poetry from the C&EN booth.
» Interactive
June 11, 2007
CAS Timeline
100 years of progress from volunteers and index cards to cutting edge computers, see the progress of CAS.
June 11, 2007
The Incredible Vastness of Data
In the hands of CAS, a morass of data points ends up telling epic research stories, page by page.
» more interactive...
» C&EN Blogroll
Blog: C&EN at CHEMRAWN
» C&EN's Amanda Yarnell reports from CHEMRAWN XII in Cape Town, South Africa, where chemists from around the continent and the world have gathered to discuss their efforts to ensure an adequate and sustainable supply of food for the people of Africa.
Live from Bali: The UN Climate Change Conference
» Daily dispatches of news and observations from The United Nations Climate Change Conference in Bali, Indonesia from Environmental Science & Technology's Erika Engelhaupt.
Blog: ACS Fall National Meeting 2007
» Daily dispatches from the 234rd National Meeting & Exposition in Boston from Chemical & Engineering News reporters.
Chemistry's Long Tail
» Taken together, three books describe a future for working chemists who will need something different from their professional society
Blog: Brazil!
» Daily dispatches from a 10-day research and meeting trip in Brazil from Chemical & Engineering News and Environmental Science & Technology reporters.
Blog: ACS Spring National Meeting 2007
» Daily dispatches from the 233rd National Meeting & Exposition in Chicago by Chemical & Engineering News reporters.
Blog: ACS Fall National Meeting 2006
» Daily dispatches from the 2006 ACS Fall National Meeting in San Francisco from Chemical & Engineering News reporters.
Blog: ACS Spring National Meeting 2006
» Daily dispatches from the 2006 ACS Spring National Meeting in Atlanta from Chemical & Engineering News reporters.
Blog: C&EN @ AAAS
» Daily dispatches from the AAAS 2006 Annual Meeting by a pair of Chemical & Engineering News reporters.
» 234th ACS National Meeting
Roald Hoffmann: Chemist And Poet
Roald Hoffmann reads some of his poetry from the C&EN booth.
Introduction by C&EN Managing Editor Ivan Amato
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