Abstracts Book - IMRC 2018

• SE3-O014
Ag NANOPARTICLES EFFECTS ON THE MORPHOLOGY AND THE
THERMOLUMINECENT BEHAVIUR OF HYDROXYAPATITE
Lesly Sabina Villaseñor Cerón 1 , Demetrio Mendoza Anaya 2 , Jesús Angel Arenas Alatorre 3 , Efraín
Rubio 4 , Juan Hernández Avila 1 , Ventura Rodriguez Lugo 1
1 Universidad Autónoma del Estado de Hidalgo, Área Académica de Ciencias de la Tierra y
Materiales, Instituto de Ciencias Básicas e Ingeniería, Mexico. 2 Instituto Nacional de
Investigaciones Nucleares (ININ), Instituto Nacional de Investigaciones Nucleares, Mexico.
3 Instituto de Física - Universidad Nacional Autónoma de México, Instituto de Física, Mexico.
4 Benemerita Universidad Autonoma de Puebla, Centro Universitario de Vinculación y
Transferencia de Tecnología, Mexico.
Several authors have studied the thermoluminescence induced by ionizing
radiation in the hydroxyapatite (Hap) because it is the main component of
human bones and teeth. Reported results show that the thermoluminescent
(TL) intensity signal of Hap depends on the selected synthesis method [1]. The
goal of this work was to add Ag nanoparticles during the synthesis of Hap to
modify its characteristics, and as result, modify the TL intensity signal when the
Hap:AgNps system is exposed to gamma radiation [2]. The PAH synthesis was
carried out by the microwave-assisted hydrothermal method; AgNps with a
proportion of 0.5% (wt.%) with different diameters (17, 21 and 29 nm) were
adding (HAP: AgNps17, Hap: AgNps21 and Hap: AgNps29). To evaluate the effect
of AgNps on the morphology and crystalline structure of the Hap, SEM, TEM and
XRD techniques were using. The XRD analysis showed the presence of the (002),
(211), (300) and (202) reflection planes associates with the hexagonal Hap. The
particle size distribution and morphology of the Hap were found to be
dependent on the size of AgNps: nanorods with 68 nm in diameter and 220 nm
in length was determined for pure Hap and diameters 34 to 54 nm and length
70 to 83 nm were determined for Hap:AgNps. Finally, an increase of 61.7% of
the TL intensity signal was obtained for Hap:AgNps29 compared with pure Hap.
This result make the Hap:AgNps a candidate for gamma radiation dosimetry.
Keywords: Hydroxyapatite, silver nanoparticle, dosimetry
Presenting authors email: leslysabina@gmail.com