Scientific Art Competition – Submit your image!

The Chapel Hill Analytical and Nanofabrication Laboratory (CHANL) is hosting its 9th annual Scientific Art Competition! The Scientific Art Competition provides an opportunity to showcase scientific data with artistic appeal. The deadline for submission is March 31, 2017. Submissions should be sent to Dr. Amar Kumbhar (akumbha@gmail.com) along with a submission form.  Anyone can submit to the CHANL scientific art competition, and the work does not need to be produced on CHANL equipment.

This year there will be twelve CASH prizes!
1)  Artist’s Choice: 1st Place: $ 50.00, and 3 finalists: $20.00 each
2)  People’s Choice: 1st Place: $ 50.00, and 3 finalists: $20.00 each
3)  Students’ Choice: 1st Place: $ 50.00, and 3 finalists: $20.00 each

Winners will be announced the week of April 23 at a lunch reception and the CHANL MRS seminar.

Please contact rtnanonetwork@ncsu.edu with questions or concerns.

 

 

National Nanotechnology Day

National Nanotechnology Day will be held on October 9, 2016. Several events have been scheduled in celebration. More details regarding these events can be found here.

Materials Science in Caribbean Art and Archaeology: Two Case Studies

Prof MartinezThe Research Triangle Nanotechnology Network is excited to announce an upcoming seminar by Professor Antonio Martínez-Collazo. Professor Martínez joins us from the Physics Department at the University of Puerto Rico. He will present his work using materials characterization techniques to study works of art and archaeological artifacts. Following the talk, the Analytical Instrumentation Facility (AIF) at NC State will host tours for interested attendees to learn more about available characterization techniques and instrumentation.

Click here to register for a tour. Questions can be directed to rtnanonetwork@ncsu.edu.

Parking information: There are Centennial Campus pay-by-space parking spots available in the Poulton Deck and Partners Way Deck. More information about parking at NC State can be found here.

Seminar Abstract:

In recent years, materials science characterization techniques have been increasingly applied in the study of works of art and archaeological artifacts.  These studies have been geared to inform the efforts of art historians and conservators in order to obtain a better understanding of the degradation processes that occur in art pieces, to establish the palette and practices of particular artists, and to aid in forensic efforts to identify forgeries and fakes.  In archaeology, materials characterization techniques have been used in the interrogation of archaeological artifacts in order to derive information about the individuals who originally fabricated them and their communities.  This talk will report on two such applications.

madonnaFirst, we will consider a study involving image acquisition techniques and x-ray fluorescence spectroscopy to a painting by José Campeche y Rivafrecha, one of the first and most important Puerto Rican painters of the18th century.  The oil-over-wood- panel painting, known as “La Virgen de Belén” or Bethlehem’s Madonna, portrays a nursing Madonna and child scene.  Campeche executed a large number of paintings with very similar compositions, i.e showing the female figure nursing a child with her breast exposed with the unique exception of the painting studied in this work.   Puerto Rican art historians have speculated that this was a result of a posterior intervention.  Grazing angle visible images, as well as, infrared reflectography taken with Si- (940 nm) and InGaAs- (< 1.7 μm) based cameras and x-ray images of the painting were obtained in order to establish this possibility.  Images in the visible taken at a low grazing angle established the presence a paint overlayer in the suspect area.  Reflectance infrared images and transmission x-ray images confirmed their presence.  X-ray fluorescence analysis was performed in the intervened area and in similar chromatic fields elsewhere in the painting.  The obtained spectra indicate that the pigments used in the intervened area are the same as those used elsewhere in the painting.

2015-06-11 10.49.28Second, we will report on the application of Raman and X-ray fluorescence spectroscopy to the identification of pigments in pre-Columbian (250 A.C. – 600 D.C.) Caribbean ceramics.  The results shed light on a controversy among Caribbean archaeologists: one group argues that the pieces were produced by two different aborigine cultures (Huecoide and Saladoide) versus those who propose that they belong the same culture. Our results, particularly those derived from the study of white pigments in decorated ceramic sherds, supports the two-different-culture hypothesis as two distinct pigments is suggested: kaolinite and calcium carbonate.

 

Upcoming seminar: “Materials Science in Caribbean Art and Archaeology”

We are excited to announce an upcoming seminar by Professor Antonio Martínez-Collazo. Professor Martínez will discuss his work using materials characterization techniques to study works of art and archaeological artifacts. Following the talk, the Analytical Instrumentation Facility (AIF) at NC State will host tours for interested attendees to learn more about available characterization techniques and instrumentation.

More information can be found on the event website.