Oxidation of ferrocene by thiocyanic acid in the presence of ammonium oxalate

Ruslin, Farah; Yamin, Bohari Mohd.

doi:10.1063/1.4895209

Cited by 3 publications

(3 citation statements)

References 23 publications

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“…The design of semi-structured interviews, as recommended by scholars such as [23][24][25], follows a structured process:…”

Section: Semi-structured Interview Designmentioning

confidence: 99%

Strengthening the Resilience and Perseverance of Rural Accommodation Enterprises in the Iberian Depopulated Areas through Enterprise Architecture

Anes Silveira,

Mamede

2024

Sustainability

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The research objective of this work is to develop and evaluate an enterprise architecture for rural accommodation in the Iberian Peninsula that responds to the demand of the remote labor market. Through an extensive literature review and the application of ArchiMate modeling, this study focuses on providing an enterprise architecture that promotes business resilience and environmental sustainability and boosts the local economy. The proposed enterprise architecture is remotely evaluated by experts, highlighting potential benefits, challenges, and areas for improvement. The results show that the proposed enterprise architecture has the potential to improve the long-term success of rural lodging businesses, enhance the customer experience, promote sustainability, and contribute to economic growth in rural areas through value exchange among stakeholders. The ArchiMate model provides a holistic perspective on stakeholder interactions and interoperability across all functional business areas: Customer Service, Product Management, Omnichannel Commerce, Human Resources, Business Strategy, Marketing, and Sustainability Management. The idea is to empower rural lodging businesses to create a better customer experience, achieve energy and environmental efficiency, contribute to local development, respond quickly to regulatory changes and compliance, and develop new revenue streams. The main goal is to improve offers, mitigate seasonal effects, and reverse the continuous cycle of decline in areas with low population density. Therefore, this ArchiMate modeling can be the initial basis for the digitization or expansion of the rural lodging industry in other geographies.

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“…The design of semi-structured interviews, as recommended by scholars such as [23][24][25], follows a structured process:…”

Section: Semi-structured Interview Designmentioning

confidence: 99%

Strengthening the Resilience and Perseverance of Rural Accommodation Enterprises in the Iberian Depopulated Areas through Enterprise Architecture

Anes Silveira,

Mamede

2024

Sustainability

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“…Alopecia can be treated in several alternative ways than synthetic medications, one of which is by using the active compounds found in the Indonesian plant Merremia peltata. According to ethnobotany, this plant has been used by the Konawe people, Kendari city, Southeast Sulawesi, eastern Indonesia to treat dandruff and hair growth [10]. Based on the docking results for androgen receptors, in silico studies have shown that the terpenoid and steroid chemicals found in M. peltata leaves exhibit anti-alopecia activity [11].…”

Section: Introductionmentioning

confidence: 99%

Anti-Alopecia Activity of Coumarin Derivatives Isolated from Merremia peltata Leaves and Computational Study of Their Binding to Androgen Receptors Using Molecular Docking and Molecular Dynamic Simulation

et al. 2023

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Alopecia is a condition in which hair on the scalp or other areas of the body is lost or falls out excessively. Nutritional deficiency causes blood flow to the head to decrease causing the hormone testosterone to be changed by the enzyme 5-α-reductase to dihydrotestosterone, which inhibits the growth phase and accelerates the death phase. One of the methods developed to treat alopecia is through inhibition of the 5-α-reductase enzyme, which converts testosterone to its more potent metabolite, dihydrotestosterone (DHT). Ethnomedicinally, Merremia peltata leaf is used by the people of Sulawesi as a remedy for baldness. Therefore, in this research, an in vivo study was conducted on rabbits to determine the anti-alopecia activity of M. peltata leaf compounds. The structure of the compounds isolated from the M. peltata leaf ethyl acetate fraction was determined by analysis of NMR and LC-MS data. An in silico study was then carried out using minoxidil as a comparison ligand; scopolin (1) and scopoletin (2) isolated from M. peltata leaf were identified as anti-alopecia compounds by predicting docking, simulating molecular dynamics and predicting absorption, distribution, metabolism, excretion, and toxicology (ADME-Tox). Compounds 1 and 2 had a better effect on hair growth compared to positive controls, and NMR and LC-MS analysis showed that they had comparable binding energies to receptors in the molecular docking interaction study: −4.51 and −4.65 kcal/mol, respectively, compared to −4.8 kcal/mol for minoxidil. Molecular dynamics simulation analysis with the parameters binding free energy calculated using the MM-PBSA method and complex stability based on SASA, PCA, RMSD, and RMSF showed that scopolin (1) has a good affinity for androgens receptors. The ADME-Tox prediction for scopolin (1) showed good results for the parameters of skin permeability, absorption and distribution. Therefore, scopolin (1) is a potential antagonist to androgen receptors and could be useful in the treatment of alopecia.

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“…The bands at 1258, 1222, 1105 and 952 cm −1 are associated with C-C-O asymmetric stretch and C-H in plane deformations. Moreover, the FTIR spectrum does not include any signal related to these specific ferrocene degradation products: ferrocenium, Fe2O3, Fe3O4, FeCO3 and complex Fe(III) carbonates [35][36][37]. On the other hand, a signal emerging at 478 cm −1 , due to Fe-O vibration, indicates the presence of hydrated iron(II)hydroxide, which is another degradation product of ferrocene [38][39][40].…”

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confidence: 98%

Ferrocene-Based Porous Organic Polymer (FPOP): Synthesis, Characterization and an Electrochemical Study

et al. 2022

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Ferrocene-based porous organic polymers (FPOPs) were prepared from phenol-formaldehyde polymer (Bakelite) and phenol as starting materials; and two possible mechanisms for polymerization were discussed. Solid-state 13C CP-MAS NMR, FTIR, powder XRD, elemental analysis and ICP (Fe, Na, B) were performed to characterize the prepared materials. The two synthetic approaches produced polymers with different pore sizes: the FPOP synthesized through Bakelite presented a higher surface area (52 m2 g−1) when compared to the one obtained by the bottom-up polymerization from phenol (only 5 m2 g−1). Thermogravimetric analysis confirmed the thermal stability of the material, which decomposed at 350 °C. Furthermore, cyclic voltammetry (CV) of the new FPOP on modified electrodes, in ACN and 0.1 M TBAP as an electrolyte, showed fully reversible electron transfer, which is similar to that observed for the ferrocene probe dissolved in the same electrolyte. As a proof-of-concept for an electrochromic device, this novel material was also tested, with a color change detected between yellow/brownish coloration (reduced form) and green/blue coloration (oxidized form). The new hybrid FPOP seems very promising for material science, energy storage and electrochromic applications, as well as for plastic degradation.

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Oxidation of ferrocene by thiocyanic acid in the presence of ammonium oxalate

Cited by 3 publications

References 23 publications

Strengthening the Resilience and Perseverance of Rural Accommodation Enterprises in the Iberian Depopulated Areas through Enterprise Architecture

Strengthening the Resilience and Perseverance of Rural Accommodation Enterprises in the Iberian Depopulated Areas through Enterprise Architecture

Anti-Alopecia Activity of Coumarin Derivatives Isolated from Merremia peltata Leaves and Computational Study of Their Binding to Androgen Receptors Using Molecular Docking and Molecular Dynamic Simulation

Ferrocene-Based Porous Organic Polymer (FPOP): Synthesis, Characterization and an Electrochemical Study

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