Photoluminescence and labelling for microcrack bone of N-salicylidene-3-amino-1,2,4-triazole.

Spectrochim Acta A Mol Biomol Spectrosc

School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory for Environmentally Functional Materials and Technology, Guangzhou University, Guangzhou 510006, China. Electronic address:

Published: February 2015

AI Article Synopsis

  • A new Schiff base compound, N-salicylidene-3-amino-1,2,4-triazole (SAT), was created and its unique light-related properties (photoluminescent, photochromic, and thermochromic) were studied.
  • The study involved measuring SAT's fluorescence lifetime and quantum yield, and it showcased its potential for microcrack bone imaging using a laser scanning confocal microscope.
  • The absorption spectrum of SAT was analyzed using advanced theoretical calculations (DFT/TD-DFT).

Article Abstract

A new Schiff base of N-salicylidene-3-amino-1,2,4-triazole (SAT) was synthesized and its photoluminescent, photochromic and thermochromic properties were characterized and demonstrated. The fluorescence lifetime and quantum yield of SAT were measured and the microcrack bone imaging using SAT as a fluorescent label was observed by laser scanning confocal microscope (LSCM). The absorption spectrum of SAT was demonstrated using DFT/TD-DFT calculation.

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.saa.2014.10.121DOI Listing

Publication Analysis

Top Keywords

microcrack bone
8
photoluminescence labelling
4
labelling microcrack
4
bone n-salicylidene-3-amino-124-triazole
4
n-salicylidene-3-amino-124-triazole schiff
4
schiff base
4
base n-salicylidene-3-amino-124-triazole
4
sat
4
n-salicylidene-3-amino-124-triazole sat
4
sat synthesized
4

Similar Publications

Aim: To investigate the development of dentinal microcracks resulting from the progressive enlargement of the buccal canals of maxillary molars with and without the MB2 canal employing instruments with the same tip and four different tapers.

Methodology: Twenty maxillary molars with (n = 10) and without (n = 10) the MB2 canal underwent micro-CT scanning. Their mesiobuccal and distobuccal canals were sequentially enlarged using nickel-titanium instruments with sizes 25/.

View Article and Find Full Text PDF

Objective: Histologically evaluate damage to rabbit femur after the creation of bicortical 1.5-mm-diameter holes using a standard surgical drill bit, an acrylic drill bit, and a Kirschner wire (K-wire).

Methods: 10 femora (5 pairs) from skeletally mature female intact New Zealand white rabbits were used.

View Article and Find Full Text PDF
Article Synopsis
  • * Researchers studied a Caucasian family with a history of AFFs and identified a rare genetic variant in the LOXL4 gene that may be associated with increased susceptibility to these fractures.
  • * The LOXL4 gene is involved in collagen production, and the variant may disrupt collagen metabolism, leading to microdamage in bones and poor healing, as indicated by tests on cells from affected individuals.
View Article and Find Full Text PDF

This study investigated if microscopic surface features captured with a scanning electron microscope (SEM) effectively discriminate fracture timing. We hypothesized that microscopic fracture characteristics, including delamination, osteon pullout, and microcracks, may vary as bone elasticity decreases, elucidating perimortem and postmortem events more reliably than macroscopic analyses. Thirty-seven unembalmed, defleshed human femoral shafts from males (n=18) and females (n=2) aged 33-81 years were fractured at experimentally simulated postmortem intervals (PMIs) ranging from 1 to 60 warm weather days (250-40,600 ADH).

View Article and Find Full Text PDF

Therapeutic radiation directly alters bone fatigue strength and microdamage accumulation.

J Mech Behav Biomed Mater

December 2024

Department of Orthopedic Surgery, SUNY Upstate Medical University, 750 East Adams Street, Syracuse, NY, 13210, USA. Electronic address:

Article Synopsis
  • Radiotherapy (RTx) is a cancer treatment that can make bones weaker and more prone to fractures after treatment.
  • In a study, rat femurs (thigh bones) were irradiated to see how RTx affects their strength and any damage caused by stress.
  • The results showed that RTx significantly weakened the bones and caused more damage over time, even though the overall bone shape and density stayed the same.
View Article and Find Full Text PDF

Want AI Summaries of new PubMed Abstracts delivered to your In-box?

Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!