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New design of highly sensitive AIE based fluorescent imidazole derivatives: Probing of sweat pores and anti-counterfeiting applications.
Ravindra, M K; Mahadevan, K M; Basavaraj, R B; Darshan, G P; Sharma, S C; Raju, M S; Vijayakumar, G R; Manjappa, Kiran B; Yang, Ding-Yah; Nagabhushana, H.
Afiliación
  • Ravindra MK; Department of Chemistry, Kuvempu University, P. G. Centre, Kadur 577 548, India.
  • Mahadevan KM; Department of Chemistry, Kuvempu University, P. G. Centre, Kadur 577 548, India.
  • Basavaraj RB; Prof. C.N.R. Rao Centre for Advanced Materials, Tumkur University, Tumkur 572 103, India.
  • Darshan GP; Department of Physics, Acharya Institute of Graduate Studies, Bangalore 560 107, India.
  • Sharma SC; Director- National Assessment and Accreditation Council, Bangalore 560 072, India (Work carried out as honorary professor, Jain University, Bangalore, 562 112, India).
  • Raju MS; Department of Physics, Smt & Sri Y.E. Rangaiah Setty Govt. First Grade College, Pavagada 561 202, India.
  • Vijayakumar GR; Department of Chemistry, University College of Science, Tumkur University, Tumkur 572 103, India.
  • Manjappa KB; Department of Chemistry, Tunghai University, No. 1727, Sec. 4, Taiwan Boulevard, Xitun District, Taichung 40704, Taiwan.
  • Yang DY; Department of Chemistry, Tunghai University, No. 1727, Sec. 4, Taiwan Boulevard, Xitun District, Taichung 40704, Taiwan.
  • Nagabhushana H; Prof. C.N.R. Rao Centre for Advanced Materials, Tumkur University, Tumkur 572 103, India. Electronic address: bhushanvlc@gmail.com.
Mater Sci Eng C Mater Biol Appl ; 101: 564-574, 2019 Aug.
Article en En | MEDLINE | ID: mdl-31029350
A novel aggregation induced emission based 2-(1-(3, 5-bis(trifluoromethyl)phenyl)-4,5-diphenyl-1H-imidazol-2-yl) phenol (4) (IMD) fluorescent tags (FTs) was designed by simple acid catalyzed five-member N-heterocyclic ring forming reaction process. Powder X-ray diffraction results showed mechanofluorochromic properties of IMD FTs are easily reversible under external force due to the decrease in crystallinity. These IMD FTs also exhibits strong cyan-blue luminescence in solid state with high quantum efficiency. Detailed investigation of latent fingerprints (LFPs) showed permanent, immutable and unique pores that are distributed on the ridges. The visualization of such sweat pores opens new avenue in the field of forensic science. Hence, the prepared IMD FTs exhibit excellent Lipophicity (LP) properties, which endorse its possible applications for the visualization of sweat pores present in the LFPs. The LFPs visualized by IMD FTs exhibit excellent efficiency, sensitivity, selectivity, low background hindrance and less toxicity. The obtained result evident that the prepared FT and followed technique opens possible applications for the visualization of LFPs on various porous/semi-porous/non-porous surfaces under UV 365 nm light.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Luminiscencia / Imidazoles Tipo de estudio: Diagnostic_studies Límite: Animals / Humans Idioma: En Revista: Mater Sci Eng C Mater Biol Appl Año: 2019 Tipo del documento: Article País de afiliación: India Pais de publicación: Países Bajos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Luminiscencia / Imidazoles Tipo de estudio: Diagnostic_studies Límite: Animals / Humans Idioma: En Revista: Mater Sci Eng C Mater Biol Appl Año: 2019 Tipo del documento: Article País de afiliación: India Pais de publicación: Países Bajos