scholarly journals Wide range quantitative photoacoustic spectroscopy to measure non-linear optical absorption of hemoglobin

Author(s):  
Amos Danielli ◽  
Konstantin Maslov ◽  
Jun Xia ◽  
Lihong V. Wang
2000 ◽  
Vol 298 (1) ◽  
pp. 126-131 ◽  
Author(s):  
De-Liang Long ◽  
Chuan-Peng Cui ◽  
Huai-Ming Hu ◽  
Jiu-Tong Chen ◽  
Zhen-Ping Ji ◽  
...  

1999 ◽  
Vol 293 (1) ◽  
pp. 89-94 ◽  
Author(s):  
De-Liang Long ◽  
Chuan-Peng Cui ◽  
Huai-Ming Hu ◽  
Jiu-Tong Chen ◽  
Zhen-Ping Ji ◽  
...  

2015 ◽  
Vol 68 (10) ◽  
pp. 1502 ◽  
Author(s):  
Muhammad Ramzan Saeed Ashraf Janjua ◽  
Saba Jamil ◽  
Asif Mahmood ◽  
Atifa Zafar ◽  
Muhammad Haroon ◽  
...  

In this research article, we reported solvent effects on non-linear optical (NLO) properties of 5,5′-disubstituted-2,2′-bipyridine complexes of ruthenium. The polarizability (α) and hyperpolarizability (β) were calculated in the gas phase. Benzene (ϵ (dielectric constant) = 2.3), THF (ϵ = 7.52), dichloromethane (ϵ = 8.93), acetone (ϵ = 21.01), methanol (ϵ = 33.00), and water (ϵ = 80.10) were used by density functional theory. These solvents cover a wide range of polarities. The results of theoretical investigation showed that the non-linear optical properties were significantly increased with the increase in solvent polarity. The results of this study also showed that similarly to structural modifications, polarity of the medium may play a significant role in modulating the NLO properties.


2005 ◽  
Vol 13 (9) ◽  
pp. 3208 ◽  
Author(s):  
D. M. Rayner ◽  
A. Naumov ◽  
P. B. Corkum

2020 ◽  
Vol 108 ◽  
pp. 110163 ◽  
Author(s):  
Ajay Kumar ◽  
Rajeev Kumar ◽  
Nancy Verma ◽  
A.V. Anupama ◽  
Harish K. Choudhary ◽  
...  

Author(s):  
P. C. Karthika ◽  
R. A. Sharath ◽  
N. Angeline Little Flower ◽  
K. Mani Rahulan ◽  
G. Vinitha ◽  
...  

Molecules ◽  
2020 ◽  
Vol 25 (21) ◽  
pp. 5089 ◽  
Author(s):  
Laila H. Abdel-Rahman ◽  
Mohamed S. Adam ◽  
Ahmed M. Abu-Dief ◽  
Hanan El-Sayed Ahmed ◽  
Ayman Nafady

Herein, we report facile procedures for synthesis of a new Schiff base ligand (H2L,5-Diethylamino-2-({2-[(2-hydroxy-benzylidene)-amino]-phenylimino}-methyl)-phenol) and its Ag(I), Pd(II) and Cu(II) complexes. The structure of the H2L ligand as well as its metal complexes was deduced based on wide range of analytical, structural and spectroscopic tools, along with theoretical evidence via density functional theory (DFT) calculations. The obtained results indicated that the Schiff base (H2L) ligand acts as a tetradentate N2O2 donor with two azomethine nitrogen’s (N1, N2) and two deprotonated phenolic oxygens (O1, O2) atoms. A distorted octahedral structure is assigned to [CuL(OH2)2]·3/2H2O complex and square planar structure for PdL and AgL complexes. The electronic structure and non-linear optical (NLO) property of the prepared compounds were discussed theoretically by the B3LYP/GENECP program. Results revealed that all complexes have non-planner geometries as indicated from the dihedral angles. The charge transfer occurs within the synthesized complexes as indicated from the calculated energy gap between HOMO and LUMO energies. The H2L ligand and its complexes are excellent candidates for NLO materials as implied from their hyperpolarizabilities and polarizabilities values. The biological activities of the prepared complexes against selected microorganisms and cancer cell lines gave good growth inhibitory effect. The biocidal potencies of the ligand and its complexes can be arranged as follows: AgL > CuL > PdL > H2L, as compared to the used standard drugs. The antiproliferative activity of the studied complexes against different carcinoma cell lines such as liver (Hep-G2), breast (MCF-7) and colon (HCT-116) followed the order H2L < AgL< PdL < CuL < vinblastine. Probing the binding interactions of prepared complexes with calf thymus (CT)-DNA using electronic absorption, gel electrophoresis and viscosity measurements revealed strong interaction via intercalation modes, as also evidenced by their molecular docking study.


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