Nanostructures templated on biological scaffolds for light harvesting, energy transfer, charge transfer, and redox reactions by Nam, Yoon Sung

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Resonant inelastic x-ray scattering reveals hidden local transitions of the aqueous OH radical by Kjellsson, L., Nanda, K. D., Rubensson, J.-E., Doumy, G., Southworth, S. H., Ho, P. J., March, A. M., Al Haddad, A., Kumagai, Y., Tu, M.-F., Schaller, R. D., Debnath, Tushar, Muhamamd Shafiq Mohd Yusof, Arnold, C., Schlotter, W. F., Moeller, S., Coslovich, G., Koralek, J. D., Minitti, M. P., Vidal, M. L., Simon, M., Santra, R., Loh, Zhi-Heng, Coriani, S., Krylov, A. I., Young, L.

“…We find that RIXS reveals localized electronic transitions that are masked in the ultraviolet absorption spectrum by strong charge-transfer transitions-thus providing a means to investigate the evolving electronic structure and reactivity of the hydroxyl radical in aqueous and heterogeneous environments. …”
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Effect of cobalt oxide on optical and dielectric properties of willemite-based glass-ceramics using white rice husk ash as silica source by Abdul Wahab, Siti Aisyah

“…The presence of SiO4 and ZnO4 bands in the FTIR absorption spectrum prove the formation of Zn2SiO4. The absorption spectra of UV-Visible were recorded in the range of 220-800 nm and the absorption band of undoped- Zn2SiO4 shifted to lower wavelengths (370 and 349 nm) at 900 and 950 ℃ respectively. …”
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Structural, Vibrational and Electrochemical Analysis and Antibacterial Potential of Isomeric Chalcones Derived from Natural Acetophenone by Priscila Teixeira da Silva, Thiago Sampaio de Freitas, Diniz Maciel Sena, Paulo Nogueira Bandeira, Murilo Ségio da Silva Julião, Emmanuel Silva Marinho, Ana Aline Coêlho Alcanfor, Emanuelle Machado Marinho, Pedro de Lima-Neto, Carlos Emídio Sampaio Nogueira, Henrique Douglas Melo Coutinho, Antonio Linkoln Alves Borges Leal, Humberto Medeiros Barreto, Natália Martins, Alexandre Magno Rodrigues Teixeira, Hélcio Silva dos Santos

“…Besides this, DFT calculations were performed to obtain the molecular orbitals and their quantum descriptors. The UV-Vis absorption spectrum of the synthesized chalcones was measured and compared with each other. …”
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Effect of Fe–Fe interactions and <i>X</i>-site vacancy ordering on the OH-stretching spectrum of foitite by E. Balan, G. Radtke, C. Fourdrin, L. Paulatto, H. A. Horn, Y. Fuchs

“…<p>The OH-stretching infrared absorption spectrum of a tourmaline sample close to the foitite end-member is interpreted in the light of the density functional theory (DFT) modeling of iron-bearing <span class="inline-formula"><i>Y</i>₃<i>Z</i>₆</span> clusters in tourmaline. …”
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The Effect of Fulvic Acid and Triacantanol Foliar Application on some Biochemical and Physiological Properties and Active Ingredients of Calendula officinalis by H. Taghizadeh Baghchejooghi, S. Alizadeh Salteh, M. Matloobi

“…The measurement of total phenol was performed using a covalent folate reagent in the absorption spectrum of 765 nm in a spectrophotometer. The flavonoid content of all extracts was measured by aluminum chloride colorimetric method. …”
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Concentration dependent structural, thermal, and optical features of Pr 3+-doped multicomponent tellurite glasses by Lakshminarayana, G., Kaky, Kawa M., Baki, S. O., Ye, Song, Lira, A., Kityk, I. V., Mahdi, M. A.

“…From the measured optical absorption spectrum, experimental oscillator strengths are calculated and used to evaluate three phenomenological Judd-Ofelt (J-O) intensity parameters Ω_λ_ (_λ_ = 2, 4 and 6) and respective radiative properties such as radiative transition probabilities (AR), the branching ratios (βR), and the radiative lifetime (τR) of metastable states for 1.0 mol % Pr3+-doped glass. …”
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Structural, thermal and optical properties of zinc boro-aluminosilicate glasses for optical power amplification by Mudhher, Kawa

“…Optical band gap energy was also investigated for allowed transitions in UV-Visible region using two methods: indirect and absorption spectrum fitting (ASF). Consequently, it was difficult to designate the best host among seven samples to dope with Rare Earth ions. …”
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Spectral Behavior of a Conjugated Polymer MDMO-PPV Doped with ZnO Nanoparticles: Thin Films by Boutheina Ben Abdelaziz, Nazir Mustapha, Idriss M. Bedja, Osamah Aldaghri, Hajo Idriss, Moez Ibrahem, Khalid H. Ibnaouf

“…It was observed that MDMO-PPV had two distinct absorbance bands at <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>310</mn></mrow></semantics></math></inline-formula> and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>500</mn><mo> </mo><mi>nm</mi></mrow></semantics></math></inline-formula> in its absorption spectrum. The UV-Vis spectrum was dramatically changed when <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>5</mn><mo>%</mo></mrow></semantics></math></inline-formula> of ZnO NPs were added. …”
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Elemental composition of fruits and vegetables using INAA, AAS, and ICP-MS by Shafaei, Mohammad Ali

“…In AAS, the solution sample was atomized before allowing light to pass and produced a line absorption spectrum, characteristics of the particular elements in the fruits and vegetables. …”
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Physical, structural, thermal, and optical spectroscopy studies of TeO2–B2O3–MoO3–ZnO–R2O (R = Li, Na, and K)/MO (M = Mg, Ca, and Pb) glasses by Lakshminarayana, G., Kaky, Kawa M., Omar Baki, Sharudin, Lira, A., Nayar, Priyanka, Kityk, I.V., Mahdi, Mohd Adzir

“…From the measured optical absorption spectra of all the glasses, direct and indirect optical band gap energies were evaluated and the values of indirect optical band gap energies calculated from absorption spectra (Eopt) match well with the values of optical band gap energies calculated from absorption spectrum fitting (ASF) method. The optical absorption cut-off wavelengths have shown a gradual spectral red shift from Li to Pb oxides based glass compositions indicating the decrease of rigidity of the glasses. …”
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Clinically Translatable Solid‐State Dye for NIR‐II Imaging of Medical Devices by Deling Li, Hui Shi, Qingrong Qi, Baisong Chang, Yuanwen Jiang, Kun Qian, Xiudong Guan, Peng Kang, Ning Ma, Yuan Zhang, Zeyu Zhang, Xiaojing Shi, Chunrong Qu, Yilei Wu, Weiyu Chen, Hao Chen, Baowang Li, Liangpeng Chen, Ziyang Li, Shunchang Ma, Lingyun Xu, Yanrong Zhang, Jie Tian, Zhenhua Hu, Wang Jia, Zhen Cheng

“…Here, the study demonstrates that benzyl violet 4B (BV‐4B), a main component in the FDA‐approved surgical suture, is found to produce fluorescence signal in the first near‐infrared window (NIR‐I, 700–900 nm) in polar solutions, whereas BV‐4B self‐assembles into highly crystalline aggregates upon a formation of ultrasmall nanodots and can emit strong fluorescence in the second near‐infrared window (NIR‐II, 1000–1700 nm) with a dramatic bathochromic shift in the absorption spectrum of ≈200 nm. Intriguingly, BV‐4B‐involved suture knots underneath the skin can be facilely monitored during the whole degradation process in vivo, and the rupture of the customized BV‐4B‐coated silicone catheter is noninvasively diagnosed by NIR‐II imaging. …”
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The Presence of Charge Transfer Defect Complexes in Intermediate Band CuAl_1−<i>p</i>Fe_<i>p</i>S₂ by Christopher Dickens, Adam O. J. Kinsella, Matt Watkins, Matthew Booth

“…The presence of a plasmon-like resonance in the visible absorption spectrum of CuFeS<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mrow></mrow><mn>2</mn></msub></semantics></math></inline-formula> nanocrystals has driven a renewed interest in this material over recent years. …”
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LFDFT—A Practical Tool for Coordination Chemistry by Harry Ramanantoanina

“…We also demonstrate the ability of the LFDFT method to simulate absorption spectrum, considering cerocene as an example. …”
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Plasma-activated high-strength non-isothermal anodic bonding for efficient fabrication of the micro atomic vapor cells by Mingzhi Yu, Yao Chen, Yanbin Wang, Yintao Ma, Guoxi Luo, Shun Lu, Libo Zhao, Ping Yang, Qijing Lin, Zhuangde Jiang

“…The high strength and good hermeticity of the bonding interface were demonstrated by the bond strength, cross-sectional high-resolution transmission electron microscopy observations, and leakage rate tests. Finally, the absorption spectrum and free-induction decay signal of the fabricated vapor cell were measured.…”
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Dielectric, thermal, optical, and degradation characteristics of MgO/ZnO-containing phosphate glasses by Khor, Shing Fhan

“…The Urbach rule was applied to evaluate the values of optical energy band gap (Eopt) and Urbach energy (Eu) for all the samples from the absorption spectrum. The Eopt was found to be in the range of3.64 to 3.78 eV, 3.36 to 3.44 eV, 3.47 to 3.79 eV and 3.54 to 3.81 eV for MP, CZ, CM and CP glass systems, respectively. …”
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Applications of infrared laser spectroscopy to breath analysis by Cummings, B

“…Typically WMS spectra are calibrated using mixtures of known gas concentrations or an absolute direct absorption spectrum where possible. In this work however, a self-calibrating method, the phasor decomposition method (PDM), is employed and the returned concentration from this calibration is compared to direct absorption measurement. …”

Studies on glyceraldehyde 3 phosphate dehydrogenase by Clark-Walker, G

“…</p> <p>The increased absorption and unexpected shoulders in the absorption spectrum of the holo enzyme containing bound NAD⁺ have been investigated by a difference spectrum technique and found to be due to the shielding of a tryptophan residue of the protein from interaction with the solvent. …”

Bioreduction of hexavalent molybdenum to molybdenum blue using Serratia sp. MIE2 and purification of molybdenum-reducing enzyme by Halmi, Mohd Izuan Effendi

“…MIE2 exhibited a unique absorption spectrum with maximum peak at 865 nm and a shoulder at 700 nm. …”
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Spectroscopic studies of simple molecules by Rowlinson, H

“…In this manner the absorption spectrum of five diatomic molecules has been examined between 1300- 2000 Å, and some measure of the generality of the method is that in every case at least two new energy levels have been observed.…”