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1

Sun, Mengyao, Xiao Chang, Ying Gao, Sisi Zou, Shaomin Wang, and Hongmin Liu. "GC/MS-Based Metabolomic Analysis of A549 Cells Exposed to Emerging Organophosphate Flame Retardants." Toxics 12, no. 6 (2024): 384. http://dx.doi.org/10.3390/toxics12060384.

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Emerging organophosphate flame retardants (eOPFRs) have attracted attention in recent times and are expected to gain extensive usage in the coming years. However, they may have adverse effects on organisms. Due to their novel nature, there are few relevant articles dealing with toxicological studies of the above eOPFRs, especially their information on the perturbation of cellular metabolism, which is, thus far, marginally understood. Our research initially assessed the cytotoxicity of eOPFRs, which include compounds like cresyl diphenyl phosphate (CDP), resorcinol bis(diphenyl phosphate) (RDP)
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Bonechi, Marco, Walter Giurlani, Elena Mariani, et al. "Electrochemical Oxidation of Resorcinol: An Integrated Experimental and Theoretical Study." ECS Meeting Abstracts MA2023-02, no. 65 (2023): 3132. http://dx.doi.org/10.1149/ma2023-02653132mtgabs.

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Resorcinol polymerization is a quite important chemical reaction, also in connection with applicative aspects related to the production of industrial resins [1]. In this work, we studied the electrochemical oxidation of resorcinol on platinum, palladium and glassy carbon (GC) electrodes. We propose an oxidation-polymerisation mechanism for the resorcinol molecule, which is based on the Kane-Maguire polymerization scheme. The results of an exhaustive electrochemical characterization are integrated with the outcome of complementary chromatographic analytical techniques: LC-DAD (high performance
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3

Samoh .F. Teghtegh, Ikyenge .B. Aloo, Agbidye G. Isaac, and Teghtegh V. Nguemo. "GC-MS Profile and Antibacterial Evaluation of the Ethanolic Extracts of Banana and Sweet Potato Peels." ChemClass Journal 9, no. 2 (2025): 660–71. https://doi.org/10.33003/chemclass-2025-0902/187.

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Banana (Musa spp.) and sweet potato (Ipomoea batatas) peels are often discarded during food processing, yet they contain a wealth of bioactive compounds with promising health and industrial benefits. This study set out to explore the chemical composition and biological potential of these underutilized byproducts. The peels were first subjected to ethanol extraction using a Soxhlet apparatus. To better understand the chemical profiles of the extracts, Gas Chromatography–Mass Spectrometry (GC-MS) and Fourier Transform Infrared Spectroscopy (FTIR) were employed. The GC-MS analysis showed that ban
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Özparpucu, Merve, Elisabeth Windeisen-Holzhauser, Gerd Wegener, and Klaus Richter. "A new analytical approach to investigate the influence of wood extracts on the curing properties of phenol-resorcinol–formaldehyde (PRF) adhesives." Wood Science and Technology 56, no. 2 (2022): 349–65. http://dx.doi.org/10.1007/s00226-022-01364-3.

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AbstractIn this study, the interactions between a phenol–formaldehyde resorcinol (PRF) adhesive and water-extractable wood constituents were investigated using combined in-situ FTIR spectroscopy and rheology analysis for a simultaneous examination of the progress of chemical reactions and coherent changes in rheological properties during adhesive curing. Complementary evolved gas analysis and pyrolysis gas chromatography/mass spectroscopy (Py-GC/MS) were performed to detect differences in the final crosslinking and chemical composition of the cured adhesive, respectively. The rheological and c
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5

Nasr, Alyaa, Tehmina Saleem Khan, Shi-Ping Huang, Bin Wen, Jian-Wen Shao, and Guo-Ping Zhu. "Comparison Among Five Eucalyptus Species Based on Their Leaf Contents of Some Primary and Secondary Metabolites." Current Pharmaceutical Biotechnology 20, no. 7 (2019): 573–87. http://dx.doi.org/10.2174/1389201020666190610100122.

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Background: Eucalyptus belongs to the Myrtaceae family. It is the most planted hardwood forest crop worldwide, representing a global renewable resource of fiber, pharmaceuticals and energy. Objective: To compare the five species, E. maidenii, E. robusta, E. citriodora, E. tereticornis and E. camaldulensis, seeking for the richest source of nutrients and pharmaceuticals. Methodology: Eucalyptus samples were subjected to some chemical determinations for both primary and secondary metabolites to verify their nutritional and pharmaceutical importance related to different extracts. GC-MS analysis w
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6

Gerginova, Maria, Katya Stoyanova, Nadejda Peneva, Ivayla Dincheva, and Zlatka Alexieva. "An Investigation into the Potential of a Penicillium Commune Strain to Eliminate Aromatic Compounds." Processes 11, no. 8 (2023): 2402. http://dx.doi.org/10.3390/pr11082402.

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The quantity of industrially polluted waters is increasing everywhere, of which a significant part is occupied by a number of mono- and poly-aromatic compounds. Toxins enter the soil, sewage, and clean water by mixing with or seeping into them from industrial wastewater. By using 18S RNA and ITS sequences, the Penicillium commune AL5 strain that was isolated from Antarctic soil was identified. This study is dedicated to exploring its capacity to metabolize hazardous aromatic compounds. The strain showed very good potential in the degradation of hydroxylated monophenols and possessed exceptiona
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7

Perdana Sari, Wiwin Kusuma, and Muslimin Muslimin. "IDENTIFIKASI SENYAWA POTENSIAL ANTIOKSIDAN PADA MAKROALGA COKELAT Turbinaria ornata DARI PANTAI GUNUNGKIDUL, YOGYAKARTA." Jurnal Riset Akuakultur 17, no. 3 (2023): 155. http://dx.doi.org/10.15578/jra.17.3.2022.155-167.

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Makroalga cokelat memiliki kandungan senyawa bioaktif yang bermanfaat dalam berbagai bidang kesehatan. Salah satu jenis makroalga cokelat dengan potensi antioksidan adalah Turbinaria ornata. Penelitian ini bertujuan untuk mengidentifikasi kandungan senyawa potensial antioksidannya. Fraksinasi terhadap ekstrak T. ornata dilakukan untuk memfokuskan jenis senyawa potensial antioksidan. Ekstrak dan fraksi dengan potensi antioksidan terbaik dianalisis kandungan senyawanya dengan gas chromatography-mass spectrometry (GC-MS). Pemantauan dengan plat kromatografi lapis tipis (KLT) juga dilakukan terhad
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8

Popova, Milena, Boryana Trusheva, Ralitsa Chimshirova, et al. "Chemical Profile and Antioxidant Capacity of Propolis from Tetragonula, Lepidotrigona, Lisotrigona and Homotrigona Stingless Bee Species in Vietnam." Molecules 27, no. 22 (2022): 7834. http://dx.doi.org/10.3390/molecules27227834.

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The present study aimed to analyze and compare the chemical profile and antioxidant capacity of propolis from different bee species and different regions. The chemical profiles of propolis from six stingless bee species (Tetragonula iridipennis, T. laeviceps, Lepidotrigona terminata, L. ventralis, Lisotrigona carpenteri and Homotrigona apicalis) collected from a total of eight locations in Vietnam were investigated by gas chromatography–mass spectrometry (GC-MS). More than 70 compounds were identified, amongst which phenolic lipids (cardanols, resorcinols and anacardic acids), aromatic acids,
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9

Trivedi, Mahendra, Alice Branton, Dahryn Trivedi, and Gopal Nayak. "Evaluation of the Isotopic Abundance Ratio in Biofield Energy Treated Resorcinol Using Gas Chromatography-Mass Spectrometry Technique." OMICS International, May 16, 2016. https://doi.org/10.5281/zenodo.813459.

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The stable isotope ratio analysis is widely used in several scientific fields such as agricultural, food authenticity, biochemistry, metabolism, medical research, etc. Resorcinol is one of the most versatile chemicals used for the synthesis of several pharmaceuticals, dyes, polymers, organic compounds, etc. The current research work was designed to investigate the impact of the biofield energy treatment on the isotopic abundance ratios of 13C/12C or 2H/1H or 17O/16O (P 18O/16O (P M+1/PM) and M+2/PM) in resorcinol using Gas chromatograph - mass spectrometry (GC-MS) technique. Resorcinol was div
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10

Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, Gopal Nayak, Parthasarathi Panda, and Snehasis Jana. "Evaluation of the Isotopic Abundance Ratio in Biofield Energy Treated Resorcinol Using Gas Chromatography-Mass Spectrometry Technique." Pharmaceutica Analytica Acta 7, no. 5 (2016). https://doi.org/10.4172/2153-2435.1000481.

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The stable isotope ratio analysis is widely used in several scientific fields such as agricultural, food authenticity, biochemistry, metabolism, medical research, etc. Resorcinol is one of the most versatile chemicals used for the synthesis of several pharmaceuticals, dyes, polymers, organic compounds, etc. The current research work was designed to investigate the impact of the biofield energy treatment on the isotopic abundance ratios of 13C/12C or 2H/1H or 17O/16O (PM+1/PM) and 18O/16O (PM+2/PM) in resorcinol using Gas chromatograph - mass spectrometry (GC-MS) technique. Resorcinol was divid
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11

Trivedi, Mahendra Kumar, Alice Branton, Dahryn Trivedi, Gopal Nayak, Parthasarathi Panda, and Snehasis Jana. "Evaluation of the Isotopic Abundance Ratio in Biofield Energy Treated Resorcinol Using Gas Chromatography-Mass Spectrometry Technique." Pharmaceutica Analytica Acta 7, no. 5 (2016). https://doi.org/10.5281/zenodo.196881.

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The stable isotope ratio analysis is widely used in several scientific fields such as agricultural, food authenticity, biochemistry, metabolism, medical research, etc. Resorcinol is one of the most versatile chemicals used for the synthesis of several pharmaceuticals, dyes, polymers, organic compounds, etc. The current research work was designed to investigate the impact of the biofield energy treatment on the isotopic abundance ratios of 13C/12C or 2H/1H or 17O/16O (PM+1/PM) and 18O/16O (PM+2/PM) in resorcinol using Gas chromatograph - mass spectrometry (GC-MS) technique. Resorcinol was divid
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12

Mudiganti, Ram Krishna Rao1* Anisha G1. "PRELIMINARY PHYTOCHEMICAL AND GC MS STUDY OF ONE MEDICINAL PLANT CARISSASPINARUM." March 31, 2018. https://doi.org/10.5281/zenodo.2531348.

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The knowledge of scientific validation of the efficacy of medicinal plants in the light of modern research parameters is of great importance in understanding the plant’s role as medicine. To understand the presence of different phytocompounds present in a medicinal plant a number of techniques are available. The present study is one step in this direction which deals with the preliminary phytochemical and Gas Chromatography Mass Spectroscopy analysis of different leaf extracts of one medicinal Carissa spinarum. This plant has wide medicinal and edible properties. It was observed that fla
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13

Romero, Romina, Tihare Gonzalez, Bruno F. Urbano, Cristina Segura, Alessandro Pellis, and Myleidi Vera. "Exploring tannin structures to enhance enzymatic polymerization." Frontiers in Chemistry 13 (March 4, 2025). https://doi.org/10.3389/fchem.2025.1555202.

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The enzymatic polymerization of biomass-derived polyphenols presents a sustainable approach to producing advanced materials. However, the structural diversity and incomplete characterization of tannins pose challenges to optimizing the process. This study investigates how tannin composition and the presence of phenolic and non-phenolic compounds in aqueous Pinus radiata bark extracts influence laccase-catalyzed polymerization and the resulting material’s thermal and structural properties. The extracts were characterized using proximate and ultimate analysis, Py-GC/MS, FT-IR, TGA, and phenol co
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14

Purkis, Steve, and Michael Intorp. "Analysis of Reference Cigarette Smoke Yield Data From 21 Laboratories for 28 Selected Analytes as a Guide to Selection of New Coresta Recommended Methods." Beiträge zur Tabakforschung International/Contributions to Tobacco Research 26, no. 2 (2014). http://dx.doi.org/10.2478/cttr-2014-0010.

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AbstractSince 1999, the CORESTA Special Analytes Sub Group (SPA SG) has been working on the development of CORESTA Recommended Methods (CRMs) for the analysis of cigarette smoke components. All CRMs have been posted on the CORESTA website and several associated papers published. In this study, 21 laboratories shared data and in-house methodologies for 28 additional smoke components of regulatory interest to prioritise the development of further CRMs. Laboratories provided data, where available, from CORESTA monitor test pieces (CM6 and CM7) and Kentucky Reference Cigarettes (1R5F / 3R4F) cover
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15

Majedi, Mona, and Elham Safaei. "Molybdenum (VI) complex of resorcinol‐based ligand immobilized on silica‐coated magnetic nanoparticles for biodiesel production." Applied Organometallic Chemistry, August 16, 2023. http://dx.doi.org/10.1002/aoc.7216.

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Reusability and durability of catalysts are main factors in biodiesel production. Fe3O4@SiO2‐APTES‐MoO2L2DHAPh catalyst was prepared in five steps. At first, Fe3O4 was synthesized and coated with silica (Fe3O4@SiO2). After that, the nanoparticles were functionalized by APTES (Fe3O4@SiO2‐APTES). In following, DHAPh ligand was anchored covalently onto the surface of aminated magnetic nanoparticles (Fe3O4@SiO2‐APTES‐LDHAPh), and at the end, DHAPh ligand was metalled by MoO2(acac)2 salt (Fe3O4@SiO2‐APTES‐MoO2L2DHAPh). The catalyst was characterized with analytical techniques such as FT‐IR, SEM, TE
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16

Tan, Fangyun, Jun Cheng, Yu Zhang, Xingfu Jiang, and Yueqiu Liu. "Genomics analysis and degradation characteristics of lignin by Streptomyces thermocarboxydus strain DF3-3." Biotechnology for Biofuels and Bioproducts 15, no. 1 (2022). http://dx.doi.org/10.1186/s13068-022-02175-1.

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Abstract Background Lignocellulose is an important raw material for biomass-to-energy conversion, and it exhibits a complex but inefficient degradation mechanism. Microbial degradation is promising due to its environmental adaptability and biochemical versatility, but the pathways used by microbes for lignin degradation have not been fully studied. Degradation intermediates and complex metabolic pathways require more study. Results A novel actinomycete DF3-3, with the potential for lignin degradation, was screened and isolated. After morphological and molecular identification, DF3-3 was determ
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17

Araña, J., C. Fernández Rodríguez, J. A. Herrera Melián, O. González Díaz, and J. Pérez Peña. "Comparative Study of Photocatalytic Degradation Mechanisms of Pyrimethanil, Triadimenol, and Resorcinol." Journal of Solar Energy Engineering 130, no. 4 (2008). http://dx.doi.org/10.1115/1.2969793.

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The photocatalytic degradation of an endocrine disruptor (resorcinol) and of two fungicides (pyrimethanil and triadimenol) has been studied and compared. The effect of pH, oxygen, and H2O2 on the photocatalytic degradation of these compounds has been established. The three organics were analyzed by means of high pressure liquid chromatography (HPLC) and their mineralization by total organic concentration (TOC) measurements. The evolution of the toxicity to Lemna minor of the aqueous solutions of the three organics during their photocatalytic treatment has also been studied. The obtained result
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