Orlin D. Velev ( bg, Орлин Д. Велев) (born November 3, 1963, in

Plovdiv, Bulgaria Plovdiv ( bg, Пловдив, ), is the second-largest city in Bulgaria, standing on the banks of the Maritsa river in the historical region of Thrace. It has a population of 346,893 and 675,000 in the greater metropolitan area. Plovdiv is the c ...

) is the

INVISTA Invista (stylized as INVISTA), headquartered in Wichita, Kansas, United States, is a fiber, resin and intermediates company. It has about 10,000 employees in over 20 countries worldwide. The predecessor DuPont Textiles and Interiors was formed fro ...

Professor in the Department of Chemical and Biomolecular Engineering at

North Carolina State University North Carolina State University (NC State) is a public land-grant research university in Raleigh, North Carolina. Founded in 1887 and part of the University of North Carolina system, it is the largest university in the Carolinas. The universit ...

. He is best known for his work in soft matter,

colloid A colloid is a mixture in which one substance consisting of microscopically dispersed insoluble particles is suspended throughout another substance. Some definitions specify that the particles must be dispersed in a liquid, while others extend ...

science, and

nanoscience The nanoscopic scale (or nanoscale) usually refers to structures with a length scale applicable to nanotechnology, usually cited as 1–100 nanometers (nm). A nanometer is a billionth of a meter. The nanoscopic scale is (roughly speaking) a lo ...

Biography

Orlin D. Velev was born in

Plovdiv Plovdiv ( bg, Пловдив, ), is the second-largest city in Bulgaria, standing on the banks of the Maritsa river in the historical region of Thrace. It has a population of 346,893 and 675,000 in the greater metropolitan area. Plovdiv is the c ...

Bulgaria Bulgaria (; bg, България, Bǎlgariya), officially the Republic of Bulgaria,, ) is a country in Southeast Europe. It is situated on the eastern flank of the Balkans, and is bordered by Romania to the north, Serbia and North Macedon ...

. Velev received his B.S. and M.Sc. in

Chemical Physics Chemical physics is a subdiscipline of chemistry and physics that investigates physicochemical phenomena using techniques from atomic and molecular physics and condensed matter physics; it is the branch of physics that studies chemical process ...

and

Theoretical Chemistry Theoretical chemistry is the branch of chemistry which develops theoretical generalizations that are part of the theoretical arsenal of modern chemistry: for example, the concepts of chemical bonding, chemical reaction, valence, the surface o ...

in 1989 from

Sofia University Sofia University, "St. Kliment Ohridski" at the University of Sofia, ( bg, Софийски университет „Св. Климент Охридски“, ''Sofijski universitet „Sv. Kliment Ohridski“'') is the oldest higher education i ...

. He continued his doctoral studies at Sofia University to earn his Ph.D. in

Physical Chemistry Physical chemistry is the study of macroscopic and microscopic phenomena in chemical systems in terms of the principles, practices, and concepts of physics such as motion, energy, force, time, thermodynamics, quantum chemistry, statistical mecha ...

in 1996, while also spending one year as a researcher at the Nagayama Protein Array project in Japan. Following a postdoctoral position (1996-1998) and research assistant professorship (1998-2001) at the

University of Delaware The University of Delaware (colloquially UD or Delaware) is a public land-grant research university located in Newark, Delaware. UD is the largest university in Delaware. It offers three associate's programs, 148 bachelor's programs, 121 mas ...

, Velev joined the faculty in the Department of Chemical and Biomolecular Engineering at

in 2001, where he currently resides. He is married to Anka Veleva and they have one son, Orlin Velev Jr., who works in the aerospace industry.

Professional contributions

Research interests

Velev's research covers a broad range of topics, but his key contributions are in the area of colloidal assembly. His research has advanced the field of directed and programmed colloidal assembly by using

electric field An electric field (sometimes E-field) is the physical field that surrounds electrically charged particles and exerts force on all other charged particles in the field, either attracting or repelling them. It also refers to the physical field fo ...

s to make structures out of

nanoparticle A nanoparticle or ultrafine particle is usually defined as a particle of matter that is between 1 and 100 nanometres (nm) in diameter. The term is sometimes used for larger particles, up to 500 nm, or fibers and tubes that are less than 1 ...

microspheres Microparticles are particles between 0.1 and 100 μm in size. Commercially available microparticles are available in a wide variety of materials, including ceramics, glass, polymers, and metals. Microparticles encountered in daily life includ ...

Janus In ancient Roman religion and myth, Janus ( ; la, Ianvs ) is the god of beginnings, gates, transitions, time, duality, doorways, passages, frames, and endings. He is usually depicted as having two faces. The month of January is named for Janu ...

and

patchy particles Patchy particles are micron- or nanoscale colloidal particles that are anisotropically patterned, either by modification of the particle surface chemistry ("enthalpic patches"), through particle shape ("entropic patches"), or both. The particles ha ...

. He has also discovered and developed new types of self-propelling microdevices, gel-based

photovoltaic Photovoltaics (PV) is the conversion of light into electricity using semiconducting materials that exhibit the photovoltaic effect, a phenomenon studied in physics, photochemistry, and electrochemistry. The photovoltaic effect is commercially us ...

cells, soft robotic

hydrogel A hydrogel is a crosslinked hydrophilic polymer that does not dissolve in water. They are highly absorbent yet maintain well defined structures. These properties underpin several applications, especially in the biomedical area. Many hydrogels ar ...

actuators and microbot prototypes. His earlier research achievements include the first report of convective assembly of 2D

colloidal crystal A colloidal crystal is an Order (crystal lattice), ordered array of colloid particles and fine grained materials analogous to a standard crystal whose repeating subunits are atoms or molecules. A natural example of this phenomenon can be found in th ...

s, the first templated fabrication of “colloidosome” and supraparticle clusters and the synthesis of " inverse opal” structures.

Awards and honors

Velev has contributed more than 200 scientific articles and technologies based on his research have formed the basis of two companies, Xanofi and Benanova. Velev has served as member of the Editorial Advisory Boards of Langmuir,

Chemistry of Materials Chemistry of Materials is a peer-reviewed scientific journal, published since 1989 by the American Chemical Society. ''Chemistry of Materials'' is currently indexed in: Chemical Abstracts Service (CAS), SCOPUS, EBSCOhost, British Library, Swetswi ...

, Biomicrofluidics,

Particle In the Outline of physical science, physical sciences, a particle (or corpuscule in older texts) is a small wikt:local, localized physical body, object which can be described by several physical property, physical or chemical property, chemical ...

, and Advances in Colloid and Interface Science, and is a fellow of the ACS and

MRS Mrs. (American English) or Mrs (British English; standard English pronunciation: ) is a commonly used English honorific for Woman, women, usually for those who are married and who do not instead use another title (or rank), such as ''Doctor (ti ...

. *Langmuir Lecturer Award (ACS Division of Colloid and Surface Chemistry, 2018) *R. J. Reynolds Tobacco Company Award (R.J. Reynolds) *Andreas Acrivos Award (AIChE, 2017) *Fellow of the Materials Research Society (MRS, 2017) *Fellow of the

American Chemical Society The American Chemical Society (ACS) is a scientific society based in the United States that supports scientific inquiry in the field of chemistry. Founded in 1876 at New York University, the ACS currently has more than 155,000 members at all d ...

(ACS, 2011)

References

External links

Velev Research Group HomepageOrlin D. Velev Personal Website
{{DEFAULTSORT:Veliv, Orlin D. 1963 births Living people American chemical engineers Bulgarian engineers Bulgarian chemists Sofia University alumni North Carolina State University faculty Scientists from Plovdiv Bulgarian emigrants to the United States Fellows of the American Chemical Society