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701
Evaluation of anti-inflammatory and wound healing properties of Tinospora cordifolia extract.
Published 2025-01-01“…UV-Vis spectroscopy depicted an absorption range of 200-400 nm, while FTIR analysis identified alcohols, phenols, amines, amides, aldehydes, ketones, alkanes, and alkenes. GC-MS analysis revealed the presence of components: 5methyl-5-Hexen-2-Ol, n-hexadecenoic acid, cholesta-4,6-dien-3beta-ol, stigmasterol, β-sitosterol, stearate which are present in the extract. …”
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702
Preparation of an Intelligent pH Film Based on Biodegradable Polymers for Monitoring the Food Quality and Reducing the Microbial Contaminants
Published 2022-01-01“…The spectra of the PVA/chitosan film depict the peak’s formation: 1571.88, 1529.55, 1500.62/cm (C-H alkene strong bend), 1492.90, 1483.26, 1467.83/cm (C-H alkene strong bond), 670.48, 443.63, 412.77/cm (-O-H carboxylic acids with great intensity), 1708.93 (-C=O ketone), and 1656.0/cm (alkenyl C=C stretch strong bond).…”
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703
Volatile Profile Characterization of Winter Jujube from Different Regions via HS-SPME-GC/MS and GC-IMS
Published 2021-01-01“…Volatiles, including alcohols, aldehydes, acids, esters, and alkenes, were identified by gas chromatography-ion mobility spectrometry (GC-IMS). …”
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704
Construction of a Library of Fatty Acid Esters of Hydroxy Fatty Acids
Published 2025-01-01“…Our primary approach centers on a photochemical hydroacylation reaction, merging terminal alkenes, either <i>ω</i>-alkenoic acids or <i>ω</i>-alkenyl alcohols, with commercially available aldehydes. …”
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705
Investigation of CO2 Extract of Portulaca oleracea for Antioxidant Activity from Raw Material Cultivated in Kazakhstan
Published 2022-01-01“…Gas chromatography-mass spectrometry (GC-MS) chemical analysis of Portulaca oleracea CO2 extract dissolved in hexane revealed 37 components, including a complex mixture of aldehydes, alkanes, alkenes, esters, diterpenes, steroids, vitamin E, and carbohydrates. …”
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706
Pyrolysis of sawdust in a horizontal tube furnace: Effects of temperature and heating rate on product composition
Published 2025-01-01“…The chemical components of bio-oil were found to be richer at lower reaction temperatures (400-450 °C), where it showcased the presence of phenols, ketones, carboxylic acids, furans, aldehydes, alkenes, alcohols, ether and amine. At increased reaction temperatures (500–550 °C), the process favoured the production of catechol (17%). …”
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707
Comparison Between Connection Based Modified Indices and Coindices for Product of Networks
Published 2022-01-01“…For the molecular networks such as fence, closed fence, alkene and cycloalkane are depicted in the consequences of the obtained results. …”
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708
Epoxidation of Ethylene by Whole Cell Suspension of Methylosinus trichosporium IMV 3011
Published 2017-01-01“…Methane monooxygenase (MMO) has been found in methanotrophic bacteria, which catalyzes the epoxidation of gaseous alkenes to their corresponding epoxides. The whole cell suspension of Methylosinus trichosporium IMV 3011 was used to produce epoxyethane from ethylene. …”
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709
Upcycling of Polyethylene Wastes to Valuable Chemicals over Group VIII Metal‐decorated WO3 Nanosheets
Published 2025-01-01“…In‐situ spectroscopic investigations and supplementary theoretical calculations illustrate that these aromatics are formed through the cyclization of alkene intermediates. These 2D catalysts also display high efficiency in the low‐temperature cracking of single‐use commercial polyethylene wastes such as packaging bags and bottles. …”
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710
Changes of Volatile Flavor Compounds in Different Parts of Tricholoma matsutake during Shelf Life Analyzed by Electronic Nose Combined with Gas Chromatography-Ion Mobility Spectrom...
Published 2024-12-01“…The results showed that a total of 48 volatile organic compounds (VOCs), including 10 aldehydes, 6 alcohols, 5 ketones, 4 sulfur-containing compounds, 9 esters, 2 acids, 3 alkenes, 9 other volatile substances such as heterocyclic compounds, and 15 unidentified volatile compounds, were detected. …”
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711
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712
Pollution Characteristics and Key Reactive Species of Volatile Organic Compounds in Beijing-Tianjin-Hebei Area, China
Published 2020-05-01“…Our results indicated that the alkenes and aromatics possessed higher LOH values as well as higher ozone formation potential (OFP) and secondary organic aerosol formation potential (SOAp) values than the alkanes. …”
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713
Untargeted Metabolite Profiling of Specialty Rice Grains Using Gas Chromatography Mass Spectrometry
Published 2022-01-01“…A total of fifty volatile aromatic compounds, including aromatic hydrocarbons, alkanes, alkenes, ketones, and aromatic aldehydes, have been identified. …”
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714
Extraction and Characterisation of African Star Apple (Chrysophyllum albidum) Seed Oil and the Adsorptive Properties of the Fruit Shell in Ghana
Published 2019-01-01“…A Fourier Transform Infrared (FTIR) study on the oil identified some triglycerides, carbonyl, alkane, and alkene compounds. Adsorptive studies of the fruit shell for the removal of dye were also performed after chemical activation with CaCl2, MgCl2, and ZnCl2. …”
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715
Source Identification of VOCs and their Environmental Health Risk in a Petrochemical Industrial Area
Published 2022-01-01“…As for the industrial area, the average VOC concentration was dominated by alkenes. Industrial processes and the petrochemical industry were the major sources of VOCs. …”
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716
Influence of Frying Methods on Quality Characteristics and Volatile Flavor Compounds of Giant Salamander (Andrias davidianus) Meatballs
Published 2021-01-01“…Compared with the samples before frying, the relative contents of aldehydes and ketones of fried giant salamander meatballs increased significantly, while the relative contents of esters and alkenes decreased significantly. Principal component analysis showed that the GC-IMS spectra of volatile flavor compounds before and after deep fat frying and hot air frying varied greatly, and the cumulative contribution rate of the two principal components reached 86.1%, indicating that the GC-IMS technology might be used to distinguish giant salamander meatballs before and after frying, or with different frying methods. …”
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717
Optimization and characterization of bioactive secondary metabolites from Streptomyces sp CMSTAAHL-4 isolated from mangrove sediment
Published 2025-01-01“…The anti-inflammatory activity of the secondary metabolites found that maximum activity was observed at 500 µg/ml of the metabolites. Alcohols, alkenes, alkynes, alkyl halides, carboxylic acids, aliphatic esters functional groups were identified by fourier transform infrared spectroscopy, gas chromatography and mass spectrometer analysis of the secondary metabolites revealed five bioactive compounds. …”
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718
Marcher, créer, révéler
Published 2018-12-01“…This extremely mobile content, which is an apology of nomadic man, goes against the prevalent sedentary nature of our civilization and sometimes transforms the border into a static line. It is as walkers that we choose to explore a frontier territory to better understand its significance and to describe and deconstruct it. …”
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719
Penerapan Dynamic Neuromuscular Stabilization Dalam Meningkatkan Gerak Dan Fungsi Tubuh–Sebuah Kajian Pustaka
Published 2024-09-01“…Penerapan DNS bermanfaat dalam meningkatkan gerak dan fungsi tubuh pada beberapa populasi, seperti: Alzheimer disease, lanjut usia fungsional, forward head posture, retardasi mental, multiple sclerosis, low back pain, poor posture, atlet flatwater kayakers, dan atlet race walkers. Rerata pengaplikasian dosis penerapan DNS yaitu dilakukan sebanyak 3 sesi dalam 1 minggu selama 40 – 60 menit setiap sesinya selama 4 – 8 minggu dengan sesi rerata mencapai 6 minggu.…”
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720
Longer disease progression milestone-free time in people with amyotrophic lateral sclerosis treated versus not treated with intravenous edaravone: results from an administrative cl...
Published 2025-01-01“…Restricted mean time lost was calculated for the following disease progression milestones: new use of canes/walkers/wheelchairs, artificial nutrition, noninvasive ventilation, invasive ventilation, speech-generating devices and hospice. …”
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