Human health risk from groundwater consumption: A case study in the Apaaso-Tafo Community in the Bono East Region of Ghana by Emmanuel Okyere, Ethel Bentil, Nana Adwoa Kusi-Addai, Lawson Mensah

“…The concentrations of metals (Ca2+, Mg2+ and Fe) were determined using atomic absorption spectroscopy, bacteria (total and faecal coliform) using Multiple Tube Fermentation and Membrane Filter Techniques, and physicochemical qualities using electrometric, titrimetric, argentometric and spectrophotometric methods. …”
Get full text

Isolation and characterization of a novel highly efficient bacterium Lysinibacillus boronitolerans QD4 for quantum dot biosynthesis by Xingyu Gu, Xingyu Gu, Xiaoju Li, Ruijia Zhang, Ruijia Zhang, Ruoli Zheng, Ruoli Zheng, Mingrui Li, Mingrui Li, Rong Huang, Xin Pang

“…Moreover, the properties of the CdS quantum dots are characterized by fluorescence spectroscopy, UV-absorption spectroscopy, TEM, XRD, XPS, and infrared spectroscopy. …”
Get full text

Characterization of Calcium Compounds in Opuntia ficus indica as a Source of Calcium for Human Diet by Isela Rojas-Molina, Elsa Gutiérrez-Cortez, Moustapha Bah, Alejandra Rojas-Molina, César Ibarra-Alvarado, Eric Rivera-Muñoz, Alicia del Real, Ma. de los Angeles Aguilera-Barreiro

“…The characterization of calcium compounds was performed by using Scanning Electron Microscopy, Energy Dispersive Spectrometry, X-ray diffraction, and infrared spectroscopy. Atomic Absorption Spectroscopy and titrimetric methods were used for quantification of total calcium and calcium compounds. …”
Get full text

Reversible multivalent carrier redox exceeding intercalation capacity boundary by Yuanhe Sun, Rui Qi, Qi Lei, Wei Zhang, Haitao Li, Mengru Lin, Hao Shi, Jianrong Zeng, Wen Wen, Yi Gao, Xiaolong Li, Chunyi Zhi, Daming Zhu

“…Operando X-ray absorption spectroscopy, operando synchrotron X-ray diffraction and composite ex situ characterization jointly demonstrated that intercalated divalent copper is preferentially involved in redox afforded extra electron transfer to form reversible monovalent copper pillars, thus not only ensuring stable topological de/intercalation with high capacity but also sustaining fast migration kinetic paths through reconfigurable pillar effects. …”
Get full text

Sustainable geopolymer adsorbents utilizing silica fume as a partial replacement for metakaolin in the removal of copper ion from synthesized copper solution by Pilomeena Arokiasamy, Mohd Mustafa Al Bakri Abdullah, Eva Arifi, Noorina Hidayu Jamil, Md Azree Othuman Mydin, Shayfull Zamree Abd Rahim, Andrei Victor Sandu, Shafiq Ishak

“…The concentration of Cu2+ before and after adsorption was determined by Atomic absorption spectroscopy (AAS) and the removal efficiency was calculated. …”
Get full text

Metal-free production of natural blue colorants through anthocyanin–protein interactions by Wenxin Wang, Peiqing Yang, Fuqing Gao, Yongtao Wang, Zhenzhen Xu, Xiaojun Liao

“…Methods: Using human serum albumin (HSA) as a model protein, we investigated the structural influences of ACNs on their blue color generation using visible absorption spectroscopy, fluorescence quenching, and molecular simulations. …”
Get full text

Parameter influences of FTO/ZnO/Cu₂O photodetectors fabricated by electrodeposition and spray pyrolysis techniques by Muthiah N. Najah, Frida A. Rahmania, Integralita Cahyanti, Maulida Hesnaty, Siti Hajar Alias, Djoko Hartanto, Wahyu Prasetyo Utomo, Retno Sari, Hadi Nur

“…The characteristic of FTO/ZnO/Cu2O studied using XRD, SEM annexed with EDX, IV testing and visible light absorption spectroscopy to disclose its optoelectronic applications. …”
Get full text

Energetic disorder dominates optical properties and recombination dynamics in tin-lead perovskite nanocrystals by Dandan Wang, Yusheng Li, Yongge Yang, Chao Ding, Yuyao Wei, Dong Liu, Hua Li, Huan Bi, Shikai Chen, Sujun Ji, Boyu Zhang, Yao Guo, Huiyun Wei, Hongshi Li, Shuzi Hayase, Qing Shen

“…Here, using temperature-dependent static and transient absorption spectroscopy, we meticulously distinguish the contributions of static disorder (including defects, impurities, etc.) and dynamic disorder (carrier–phonon interactions). …”
Get full text

Solar-driven production of renewable chemicals via biomass hydrogenation with green methanol by Guangyu Chen, Cenfeng Fu, Wenhua Zhang, Wanbing Gong, Jun Ma, Xiaomin Ji, Lisheng Qian, Xuefei Feng, Chuansheng Hu, Ran Long, Yujie Xiong

“…By combining in situ soft X-ray absorption spectroscopy with theoretical calculations, we successfully identify the dynamic evolution of Cu sites along with the biomass hydrogenation and methanol oxidation, where the tandem process is enabled by the photogenerated electrons and holes to complete a chemical cycle. …”
Get full text

Ligand-tuning copper in coordination polymers for efficient electrochemical C–C coupling by Yu Yang, Cheng Zhang, Chengyi Zhang, Yaohui Shi, Jun Li, Bernt Johannessen, Yongxiang Liang, Shuzhen Zhang, Qiang Song, Haowei Zhang, Jialei Huang, Jingwen Ke, Lei Zhang, Qingqing Song, Jianrong Zeng, Ying Zhang, Zhigang Geng, Pu-Sheng Wang, Ziyun Wang, Jie Zeng, Fengwang Li

“…Electronic structure modelling, X-ray absorption spectroscopy, and ultraviolet–visible spectroscopy show a widely tuneable Cu electronics by modulating the highest occupied molecular orbital energy of ligands. …”
Get full text

Saponins Effect on Human Insulin Amyloid Aggregation by Eleonora Mari, Silvia Vilasi, Paolo Moretti, Maria Rosalia Mangione, Giorgia Giorgini, Roberta Galeazzi, Maria Grazia Ortore

“…To monitor the kinetic of amyloid aggregation following secondary structure changes, we perform fluorescence and UV-Visible absorption spectroscopies, using Thioflavin T and Congo Red as amyloid specific probes, and Circular Dichroism. …”
Get full text

Insights from the compositional evolution of a multi-coloured, zoned tourmaline from the Cruzeiro pegmatite, Minas Gerais, Brazil by G. B. Andreozzi, G. B. Andreozzi, C. Gori, H. Skogby, U. Hålenius, A. Altieri, F. Bosi, F. Bosi

“…Four representative fragments of the multi-coloured, zoned tourmaline were thoroughly investigated using single-crystal X-ray diffraction; electron microprobe analysis; and <span class="inline-formula">⁵⁷</span>Fe Mössbauer, Fourier transform infrared, and optical absorption spectroscopies to obtain the full composition and site occupancies. …”
Get full text