NC STATE UNIVERSITY   Department of Chemical and Biomolecular Engineering
Orlin D. Velev S. Frank and Doris Culberson Distinguished Professor
	Research and Academics Essentials
Google Scholar page Research group web page Research group video Group LinkedIn page Scholarly metrics and awards summary Short bio (PDF) Bio + Research Highlights (PDF) List of publications with DOI download links (PDF) Poster with summary of Velev group research achievements (PDF)
	Teaching and Outreach
Special course offered periodically: Colloid Science and Nanoscale Engineering (See brochure) Also offered through NCSU Engineering on Line Forthcoming course: CHE 315 - Chemical Process Thermodynamics I Course taught during the 2010/11 sabbatical: Colloid Science and Nanoscale Engineering @ TU Berlin Teaching portfolio
	Group Information
Velev Research Group page Group LinkedIn page For postdoctoral applicants Application for graduate study - Chem. Biomol. Engineering
	Personal
My family Town of Cary
	Contact Information
Department of Chemical and Biomolecular Engineering EB1, 911 Partners Way (Office 2030) North Carolina State University Raleigh, NC 27695-7905  E-mail: odvelev@ncsu.edu Phone: (919) 513-4318 Fax: (919) 515-3465
	Useful local links
Faculty in Chemical and Biomolecular Engineering Department of Chemical and Biomolecular Engineering College of Engineering North Carolina State University Centennial Campus NCSU Department of Chemistry Information for Graduate Student Applicants
	Professional societies links
American Institute of Chemical Engineers (AIChE) Materials Research Society (MRS) American Chemical Society (ACS) ACS - Colloid and Surface Chemistry Division

	What's New and Highlights
New! Check out the Velev group video description Please plan to attent the 97th ACS Colloid and Surface Science Symposium that Prof. Lilian Hsiao and I are hosting at NC State. Homocomposite Colloidal-Molecular Hydrogels. Nature Comm. report on the new class of 3D printable hydrogels with synergsitic colloidal-molecular network. Made possible by the soft dendritic colloids - see below. Some press releases: Phys.Org., EurekAlert!, ScienceMag, Nanowerk, others. See also the CBS 17 interview with Austin. Soft dendritic colloids. Nature Materials report on the discovery and unique properties of this new class of soft matter. Highlighted in numerous press releases, such as: Phys.Org., SciTechDaily, Physicsworld, BBC Interviews, Nanowerk, others. Summarized and discussed very nicely in an independent Nature Materials News & Views highlight. Basis of patent-pending forthcoming nanofabrication technologies. Principles of long-term fluids handling in paper-based osmotic-capillary wearables: Editor's choice in Biomicrofluidics. Media coverge examples: ScienceDaily, Phys.Org., EurekAlert!, Inverse, others. New. Detaied report on the method: Wearable Osmotic-Capillary Patch: ACS AMI. 3D-printed soft robots with magneto-capillary reconfiguration: In special issue of Adv. Mater. Technol. Watch the the videos: Movie 1, Movie 2, Movie 3. Media coverge examples: ScienceDaily, EurekAlert!, Phys.Org., others. Self-propelling and active particles: Engineered Motile Semiconductor Microparticles - Nature Comm. Externally Powered Self-Propelling and Self-Reconfiguring Systems - AFM feature. Microbots and Microdevices Powered by Magnetic and Electric Fields - Chem. review. Electrically Powered Supercolloidal Spinners - Adv. Funct. Mater.. Sequence-encoded colloidal origami and microbot assemblies reported in Science Advances. A few examples of the wide media coverage: Wired, Yahoo! News, TechCrunch, ScienceDaily, Phys.org, Chemistry World, C&E News, German National Radio, Newsy and ZD Net. Our 3D printing method with multiphasic capillary silicone gel is reported in Advanced Materials. Highlighted in a NC State Press release and numerous news sources such as Science daily, Phys.org and Adv. Science News. Watch the WNCN/CBS interview about the invention of denrimeric particles. The results on nanocapillary assembly of ultraflexible filaments are reported in Nature Materials. Highlighted in a NC State Press release and numerous news sources. Featured on the top banner of NSF.gov. Related JACS paper - nanocapillary assembly of patchy particles. The work on environmentally-benign nanoparticles is published in Nature Nanotechnology. Here is the NC State Press release. See also the excellent C&E News report. Congratulations to Alex Richter for winning the highly prestigious Lemelson-MIT 2015 student award! See also the NC State Press release. Alex founded the startup Benanova, which commercializes our patent-pending EbNP technology (above). Assembly of Reconfigurable Colloidal Structures by Multidirectional Field-Induced Interactions - Langmuir invited feature paper. Selected as an ACS Editor's Choice, highly downloaded. Our revolutionary shear nanofabrication technique is now described in Adv. Mater.: Scalable Liquid Shear-Driven Fabrication of Polymer Nanofibers Here is the NC State press release about the "Nanofiber Gusher". See also the excellent Materials Today news report. The technology is protected by NCSU patents Overarching patent 2005,   2010,   2012. Hydrogel Soft Robotics - Nature Comm. paper (in collaboration with M. Dickey). Highlighted in many press releases including: Science Daily, Discovery, PopSci, Gizmodo, Materials Today, Eureka, E! science news, IDG Connect, The Engineer, NC state See also the popular Youtube video. Multi-stimuli responsive Pickering foams - Chem. Sci. paper. Press highlights: Chemistry World, ChemEurope.com,  INRA Science and Impact Also see the first Magneto-Pickering foams we reported in JACS paper & Langmuir paper. Recent progress in the merging of electronic, microfluidic, and biomimetic structures - BMF review of an emerging cross-disciplinary research topic. For more news check out the Velev research group web page For earlier news and press releases check below
	Recent research highlights
Velev Group Research Overview 2019 - View as Image or Download PDF For more details check out my graduate student's projects List of publications in PDF with DOI download links Latest journal covers - click to view Earlier journal covers - click to view Remote steering of self-propelling microcircuits published in Advanced Functional Materials. Regenerable Photovoltaics with a Hydrogel Microvascular Network - Sci. Rep. (Nature) paper. Covered by numerous media outlets such as: Phys.Org, Kurzweil, Nanowerk, ZME Science, CleanTechnica, Daily Fusion, Mother Nature, NC State. Micro- and Nanoparticle Assembly - The Challenging Path from Science to Engineering - HIGHLY CITED Adv. Mater. review. Field-driven programmed assembly of metallodielectric Janus particles: Dielectrophoretic Assembly - Langmuir paper (2008).   Reversible magnetic assembly - Soft Matter paper (2009). First report of self-propelling Janus particles - Phys. Rev. Lett. paper. NCSU press release about the mobile Janus particles. Remotely powered self-propelling particles and micropumps based on miniature diodes - Nature Materials paper. Highlighted in New Scientist, Science Daily and other media sources. View the supplementary movies for the self-propelling diodes here. Polyelectrolyte diode made of aqueous ionic gels - JACS paper (2007). Aqueous gel/silica nanofilm diode - Small paper (2010). On-chip micromanipulation and assembly of colloidal particles by electric fields - Soft Matter REVIEW paper (2006)
	Earlier research links and highlights
Many sincere thanks for the award from Springer and the German Ostwald Colloquium! The massivley scalable nanofiber manufacturing (above) is commercialized by the startup Xanofi. Programmable gel-based self-propelling particles - Langmuir paper. Electric field assembly of live cell/particle biocomposites on a chip - Soft Matter paper (2008). Detailed report of programmed biocomposite assembly - Langmuir (2010). Materials of Controlled Shape and Stiffness with Photocurable Microfluidic Endoskeleton - Adv. Mater. (2009). Highlighted in "Advances in Advance". Aqueous soft matter based photovoltaic devices - J. Mater. Chem. paper. Featured in more than 100 press releases such as: RSC hot article, ScienceDaily, ACS C&E news, Photonics.com, NC State news release Assemblies from Microspheres and Nanoparticles in Droplets on a Superhydrophobic Surface - Adv. Mater. paper. Selected press releases: Nature Chemistry, Science Daily, Discovery News, PhysOrg.com, Photonics.com Rapid deposition and long-range alignment of nanocoatings and arrays of electrically conductive wires from tobacco mosaic virus - Small paper (2006) We have pioneered the ways to make the colloidal crystals electrically switchable or rapidly deposit them as large scale coatings Langmuir papers (2004) Earlier nanomaterials results - click image for details Templated Assembly of Colloidal Structures Colloidal Crystallization in 2D and 3D: The Quest for Novel Materials Colloidal Forces, Interactions and Stability: Proteins, Surfactants, Emulsions List of earlier publications with downloadable PDF files
	Earlier press releases and interesting links
I had a sabbatical at Technical University - Berlin - hosted by Self-Assembled Soft Matter Nano-Structures IGRTG. We hosted the 82nd ACS Colloid and Surface Science Symposium, NCSU, 2008 Resources for undergraduate microfluidics projects Chemists shrink beakers into drops Nature Science Update story from the ACS 2003 meeting Biomedical research tools - Microscopic factory on a chip NCSU Achieve news story Supplementary information for our paper in Nature vol. 294, p. 515 (2003). Researcher Discovers a Way to Wire Electrical Circuits by Self-Assembly NCSU news release Wires grown in liquid may help find toxins Christian Science Monitor NANOTECH AND MOLECULAR ELECTRONICS From Chemical and Engineering News: Chemical Highlights 2001 Microwire paper in Science - Watch the movie of microwire growth 2001 - I have moved to NCSU! Here is a very nice material from the Departmental newsletter UD researchers discover new way to synthesize microstructures UD news release Lab on a Chip? Cheap, disposable UD biosensor uses gold-on-plastic design UD news release "Rainbow metal," similar to opal, suggests light-steering computer parts and catalysts UD news release

© 2001-2012 Orlin D. Velev
Last partial update December 2012