Evaluation of Antimicrobial and Wound Healing Effects of Gold Nanoparticles Containing Abelmoschus esculentus (L.) Aqueous Extract by Shahla Korani, Khodabakhsh Rashidi, Mona Hamelian, Ali R. Jalalvand, Ahmad Tajehmiri, Mitra Korani, Thozhukat Sathyapalan, Amirhossein Sahebkar

“…The Ok Au NPs were characterized using various techniques like UV-Vis absorption spectroscopy, FTIR, X-ray diffraction (XRD), and transmission electron microscopy (TEM). …”
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Aerosol Measurements over India: Comparison of MAX-DOAS Measurements with Ground-based (AERONET) and Satellite-based (MODIS) Data by Prithviraj Mali, Mriganka Sekhar Biswas, Steffen Beirle, Thomas Wagner, Shrivardhan Hulswar, Swaleha Inamdar, Anoop S. Mahajan

“…Abstract In this study, we present ground-based multi-axis differential optical absorption spectroscopy (MAX-DOAS) measurements of aerosols from two urban locations (Delhi and Pune) and one high-altitude rural location (Mahabaleshwar) in India. …”
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Retrieval of NO2 Columns by Exploiting MAX-DOAS Observations and Comparison with OMI and TROPOMI Data during the Time Period of 2015–2019 by Ahmad Iqbal, Naveed Ahmad, Hassan Mohy ud Din, Michel Van Roozendael, Muhammad Shehzaib Anjum, Muhammad Zeeshan Ali Khan, Muhammad Fahim Khokhar

“…This study presents an intercomparison of NO2 retrieval settings using the Differential Optical Absorption Spectroscopy (DOAS) and based on the literature published over the last 20 years. …”
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Surface modification of AISI 316L stainless steel by applying single and multilayer coatings: Study of elastic modulus and antibacterial properties by Bahare Soltani, Sayed Mahmood Rabiee, Salman Nourouzi, Seyed Jamal Hosseinipour, Simindokht Khademjafari

“…The average crystallite size, determined using Scherer's equation, was 14.61, 13.15, 13.92, and 49.60 nm for the uncoated, one-layer, two-layer, and three-layer samples, respectively. Atomic absorption spectroscopy (AAS) revealed that the 24-h release of Zn2+, Mg2+, and Ni2+ ions from the samples was within the allowable range when immersed in simulated body fluid (SBF). …”
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Towards the Sustainable Removal of Heavy Metals from Wastewater Using <i>Arthrospira platensis</i>: A Laboratory-Scale Approach in the Context of a Green Circular Economy by Lamprini Malletzidou, Eleni Kyratzopoulou, Nikoletta Kyzaki, Evangelos Nerantzis, Nikolaos A. Kazakis

“…The heavy metal removal efficiency of <i>A. platensis</i> cultures was evaluated using atomic absorption spectroscopy (AAS). Additionally, the cultures were examined using Fourier transform infrared (FTIR) spectroscopy, Near-Infrared (NIR) Spectroscopy, UV-Vis spectrophotometry, and optical microscopy, together with pH and electrical conductivity (EC) measurements to evaluate the quality of the cultures and the changes induced by heavy metal stress. …”
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Recent Developments in Heavy Metals Detection: Modified Electrodes, Pretreatment Methods, Prediction Models and Algorithms by Yujie Shi, Shijie Zhang, Hang Zhou, Yue Dong, Gang Liu, Wenshuai Ye, Renjie He, Guo Zhao

“…This review aims to highlight the commonly used methods for detecting heavy metals (such as atomic absorption spectroscopy (AAS), atomic emission spectroscopy (AES), inductively coupled plasma–mass spectrometry (ICP-MS), square-wave anodic stripping voltammetry (SWASV), etc.), with a particular focus on electrochemical detection and electrode modification materials. …”
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Resolving the electronic ground state of La3Ni2O7-δ films by Xiaolin Ren, Ronny Sutarto, Xianxin Wu, Jianfeng Zhang, Hai Huang, Tao Xiang, Jiangping Hu, Riccardo Comin, Xingjiang Zhou, Zhihai Zhu

“…Through X-ray absorption spectroscopy, we reveal the influence of oxygen ligands on the electronic ground states of the Ni ions, displaying a charge transfer nature akin to cuprate but with distinct orbital configurations. …”
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Intravascular Residence Time Determination for the Cyanide Antidote Dimethyl Trisulfide in Rat by Using Liquid-Liquid Extraction Coupled with High Performance Liquid Chromatography by Deepthika De Silva, Steven Lee, Anna Duke, Siva Angalakurthi, Ching-En Chou, Afshin Ebrahimpour, David E. Thompson, Ilona Petrikovics

“…These studies represent the first report on the intravascular residence time determinations for the cyanide antidote dimethyl trisulfide (DMTS) in a rat model by using high performance liquid chromatography coupled with ultraviolet absorption spectroscopy (HPLC-UV). The newly developed sample preparation included liquid-liquid extraction by cyclohexanone. …”
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Facile synthesis of size-tunable L-carnosine-capped silver nanoparticles and their role in metal ion sensing and catalytic degradation of p-nitrophenol by Akash Kumar, Ridhima Chadha, Abhishek Das, Nandita Maiti, Rayavarapu Raja Gopal

“…The formation of ʟ-car-AgNPs was confirmed via UV–vis optical absorption spectroscopy, showing single and double plasmonic peaks, depending on the synthesis conditions. …”
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Photoswitch dissociation from a G protein-coupled receptor resolved by time-resolved serial crystallography by Hannah Glover, Torben Saßmannshausen, Quentin Bertrand, Matilde Trabuco, Chavdar Slavov, Arianna Bacchin, Fabio Andres, Yasushi Kondo, Robin Stipp, Maximilian Wranik, Georgii Khusainov, Melissa Carrillo, Demet Kekilli, Jie Nan, Ana Gonzalez, Robert Cheng, Werner Neidhart, Tobias Weinert, Filip Leonarski, Florian Dworkowski, Michal Kepa, Josef Wachtveitl, Michael Hennig, Joerg Standfuss

“…In a rational approach based on UV/Vis spectroscopy, time-resolved absorption spectroscopy, differential scanning fluorimetry and cryo-crystallography, we identified compounds suitable for time-resolved serial crystallography. …”
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Effect of Boundary Layer Evolution on Nitrogen Dioxide (NO2) and Formaldehyde (HCHO) Concentrations at a High-altitude Observatory in Western India by Mriganka Sekhar Biswas, G. Pandithurai, M. Y. Aslam, Rohit D. Patil, V. Anilkumar, Shrikant D. Dudhambe, Christophe Lerot, Isebelle De Smedt, Michel Van Roozendael, Anoop S. Mahajan

“…This study reports observations of NO2 and HCHO using the Multi AXis Differential Optical Absorption Spectroscopy (MAX-DOAS) technique at the High Altitude Cloud Physics Laboratory (HACPL), Mahabaleshwar in the rural Western Ghats region of India. …”
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Development of a New Sequential Extraction Procedure of Nickel Species on Workplace Airborne Particulate Matter: Assessing the Occupational Exposure to Carcinogenic Metal Species by Catalani Simona, Fostinelli Jacopo, Gilberti Maria Enrica, Orlandi Francesca, Magarini Riccardo, Paganelli Matteo, Madeo Egidio, De Palma Giuseppe

“…The analytical method described in this paper allows the determination of soluble, sulfidic, metallic, and oxide Ni by a simple sequential extraction procedure and determination by Atomic Absorption Spectroscopy using small volumes of solutions and without long evaporation phases. …”
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Monodispersed AgNPs Synthesized from the Nanofactories of Theobroma cacao (Cocoa) Leaves and Pod Husk and Their Antimicrobial Activity by Johnson Kwame Efavi, Emmanuel Nyankson, Kwaku Kyeremeh, Gloria Pokuaa Manu, Kingsford Asare, Nathaniel Yeboah

“…In this work, AgNPs produced using the extracts of the cocoa leaf (CL) and cocoa pods (CP) have been investigated and their antimicrobial activity against E. coli was evaluated. UV-visible absorption spectroscopy was used to examine the reduction of silver ions in solution and the surface plasmon resonance of AgNPs. …”
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Different approaches for plasma nitrocarburizing of austenitic stainless steel using a plasma-activated solid carbon precursor in a hot-wall reactor by Saeed M. Jafarpour, Anke Dalke, Horst Biermann

“…Additionally, the type and concentrations of the treatment-relevant gas species generated during each treatment are measured in real-time using laser absorption spectroscopy. The results revealed the potential of using a plasma-activated solid carbon precursor in a hot-wall reactor for an efficient nitrocarburizing treatment of AISI 316L. …”
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Dynamic Hydrogen Production from Methanol/Water Photo-Splitting Using Core@Shell-Structured CuS@TiO2 Catalyst Wrapped by High Concentrated TiO2 Particles by Younghwan Im, Sora Kang, Kang Min Kim, Taeil Ju, Gi Bo Han, No-Kuk Park, Tae Jin Lee, Misook Kang

“…Cyclic voltammetry and UV-visible absorption spectroscopy confirmed that the CuS in CuS@TiO2 strongly withdraws the excited electrons from the valence band in TiO2 because of the higher reduction potential than TiO2, resulting in a slower recombination rate between the electrons and holes and higher photoactivity.…”
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Electronic and photophysical properties of copper (II) Complexes: Insights into solvatochromic Effects, Photoreduction, and fluorescence behavior by Haja Tar, Lama M. Alhomaidan, Lotfi Beji, Abrar S. Alnafisah, Noura Kouki, Sabri Messaoudi, Fahad M. Alminderej, Azizah A. Algreiby, Lotfi M. Aroua

“…This study delves into the intricate electronic and photophysical properties of copper (II) complexes and their ligands, shedding light on their behavior under varying conditions. UV–Vis absorption spectroscopy unveils significant insights, revealing absorption peaks attributed to ligand–metal charge transfer transitions (LMCT) and π → π* transitions of C = N bonds. …”
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Changes in Tropospheric Nitrogen Dioxide Vertical Column Densities over Japan and Korea during the COVID-19 Using Pandora and MAX-DOAS by Yongjoo Choi, Yugo Kanaya, Hisahiro Takashima, Kihong Park, Haebum Lee, Jihyo Chong, Jae Hwan Kim, Jin-Soo Park

“…Abstract We investigated the impact of human activity during COVID-19 on the tropospheric nitrogen dioxide vertical column density (NO2 TropVCD) at three urban sites (Gwangju and Busan in Korea and Yokosuka in Japan) and one remote site (Cape Hedo in Japan) from Multi-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) and Pandora. Compared to the monthly mean NO2 TropVCD from 2015 to 2018 and in 2019, the values were lower in 2020 due to social distancing in Korea and Japan. …”
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Use of Nanostructured Layered Double Hydroxides as Nanofilters in the Removal of Fe2+ and Ca2+ Ions from Oil Wells by Emmanuel K. Ephraim, Chinyere A. Anyama, Ayi A. Ayi, Jude C. Onwuka

“…The isolated compounds were characterized with the help of XRD, IR, and SEM/EDAX, and their ability to remove scale-forming ions from the aqueous system was studied with the help of atomic absorption spectroscopy (AAS). The SEM micrographs of Mg-O-Al-OH and Ca-O-Al-OH layers intercalated with PO43− and/or [PO4PF6]4− anions are similar consisting of uniform nanospheres with an average size of 100 nm, while the M-O-Al-OH layer of compound 3, intercalated with SO42− anions, consists of hexagonal nanoplate crystals. …”
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Bioaccumulation and Health Risk Assessments of Heavy Metals in Mussels Collected from Madura Strait, Indonesia by Defri Yona, Aida Sartimbul, Muhammad Arif Rahman, Syarifah Hikmah Julinda Sari, Priyanka Mondal, Abdullah Hamid, Tsania Humairoh

“…The seawater, sediment, and marine mussels were obtained from four sites and heavy metal concentrations were analyzed using Atomic Absorption Spectroscopy. In the seawater, heavy metals were in the order of Cu, Pb, Cd, and Zn from the highest to the lowest concentration respectively, while they went down in the order of Zn, Cu, Pb, and Cd in the sediment respectively. …”
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Consequences of Surface Composition and Aggregation Conditions of Ag Nanoparticles on Surface-Enhanced Raman Scattering (SERS) of Pesticides by Marcelo José dos Santos Oliveira, Gilia Cristine Marques Ruiz, Rafael Jesus Gonçalves Rubira, Santiago Sanchez-Cortes, Carlos José Leopoldo Constantino, Leonardo Negri Furini

“…In addition to SERS experiments, in order to assess the induced aggregation of the Ag nanoparticles, UV-Vis absorption spectroscopy, dynamic light scattering (DLS) and zeta potential were employed. …”
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