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Relevant bibliographies by topics / 25 hydroxyl

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Academic literature on the topic '25 hydroxyl'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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Journal articles on the topic "25 hydroxyl"

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Chandrakar, Ankur Kumar, Arun Alexander, Medha R., Kalaiselvi Rajendiran, and Karthikeyan Ramasamy. "25-Hydroxyl Vitamin D Deficiency in Nasal Polyposis." International Archives of Otorhinolaryngology 24, no. 03 (2019): e308-e312. http://dx.doi.org/10.1055/s-0039-3399541.

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Abstract Introduction Vitamin D is known to have immunomodulatory functions and has action on chronic inflammatory processes, such as nasal polyposis. Objective The present study assessed the levels of 25-hydroxy vitamin D and high-sensitivity C-reactive protein (hs-CRP) in patients with nasal polyposis, as compared with healthy control subjects, and identified their association with disease severity in nasal polyposis. It further assessed the levels of 25-hydroxyl vitamin D and hs-CRP in patients with nasal polyposis and atopy and compared it with patients with nasal polyposis without atopy.

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Hu, T. Q., G. Leary та D. Wong. "A New Approach Towards the Yellowing Inhibition of Mechanical Pulps. Part I: Selective Removal of α-Hydroxyl and α-Carbonyl Groups in Lignin Model Compounds". Holzforschung 53, № 1 (1999): 43–48. http://dx.doi.org/10.1515/hf.1999.008.

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Summary The α-hydroxyl group in lignin model compounds 1-(3,4-dimethoxyphenyl)-2-(2-methoxyphenoxy)-1,3-propanediol (1) and 1-(4-hydroxy-3-methoxyphenyl)ethanol (3), and the α-carbonyl group in 1-(3,4-dimethoxyphenyl)-2-(2-methoxyphenoxy)ethan-1-one (5) are removed by treatment of the model compounds with trifluoroacetic acid (CF3CO OH) and triethylsilane (Et3sih) in methylene chloride. The reaction is highly chemoselective and it tolerates the lignin γ-hydroxyl group, phenol and β-O-4-aryl ether linkage. The α-hydroxyl group in 1 has also been removed with triethylsilane in aqueous trifluoroa

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Mukherjee, Tulika, Tapas Sarkar, Piyali Paul, Ajit K. Chakraborty, Parasuraman Jaisankar та Siba Brata Mukhopadhyay. "Putralone, a Novel 10α-Hydroxy-25-nor D:A Friedo-Oleanane Triterpenoid from Putranjiva Roxburghii". Natural Product Communications 7, № 4 (2012): 1934578X1200700. http://dx.doi.org/10.1177/1934578x1200700424.

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Chemical investigation of the leaves of Putranjiva roxburghii has resulted in the isolation of two new triterpenoids, putralone, a novel 10α-hydroxy-25-nor D:A friedo-olean-9(11)-en-3 one and 3β-acetoxy-cycloart-24-en-23-one, along with a rare hopanoid, adian-5-en-3β,29-diol. Other known triterpenoids isolated from this plant are 3β-acetoxy-adian-5-ene, putrol, putrone, putranjivadione, roxburghonic acid, friedelin, friedlan-3α-ol, oleanolic acid and erythrodiol. Interestingly, putralone is the first example of a naturally occurring nor friedo-oleanane triterpenoid having a hydroxyl functional

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Shirato, Midori, Hiroyo Ikai, Keisuke Nakamura, et al. "Synergistic Effect of Thermal Energy on Bactericidal Action of Photolysis of H2O2in Relation to Acceleration of Hydroxyl Radical Generation." Antimicrobial Agents and Chemotherapy 56, no. 1 (2011): 295–301. http://dx.doi.org/10.1128/aac.05158-11.

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ABSTRACTThe purpose of the present study is to evaluate the effect of thermal energy on the yield of and the bactericidal action of hydroxyl radical generated by photolysis of H2O2. Different concentrations of H2O2(250, 500, 750, and 1,000 mM) were irradiated with light-emitting diodes (LEDs) at a wavelength of 400 ± 20 nm at 25°C to generate hydroxyl radical. The 500 mM H2O2was irradiated with the LEDs at different temperatures (25, 35, 45, and 55°C). Electron spin resonance spin trapping analysis showed that the yield of hydroxyl radicals increased with the temperature, as well as the concen

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Cui, Xiangyu, Penghui Li, Baohua Hu, et al. "Simulation Study for the Adsorption of Carbon Disulfide on Hydroxyl Modified Activated Carbon." Molecules 28, no. 12 (2023): 4627. http://dx.doi.org/10.3390/molecules28124627.

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In this study, grand canonical Monte Carlo simulations (GCMC) and molecular dynamics simulations (MD) were used to construct models of activated carbon with hydroxyl-modified hexachlorobenzene basic unit contents of 0%, 12.5%, 25%, 35% and 50%. The mechanism of adsorption of carbon disulfide (CS2) by hydroxyl-modified activated carbon was then studied. It is found that the introduction of hydroxyl functional groups will improve the adsorption capacity of activated carbon for carbon disulfide. As far as the simulation results are concerned, the activated carbon model containing 25% hydroxyl mod

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Aggarwal, Rachna, Anthony A. Birkbeck, Robin G. F. Giles, Ivan R. Green, Yolanta Gruchlik, and Francois J. Oosthuizen. "Regioselectivity in the Syntheses of Enantiopure 2-Benzopyrans through Intramolecular Cyclization of Tethered Lactaldehydes. Conformations of the Products." Australian Journal of Chemistry 56, no. 5 (2003): 489. http://dx.doi.org/10.1071/ch03027.

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Using titanium tetraisopropoxide, the enantiopure tethered lactaldehyde (α′ S,2S)-2-(3′-hydroxy-α′-methyl-benzyloxy)propanal (6) is cyclized with complete regio- and diastereoselectivity ortho to the phenolic hydroxyl group to give (1S,3S,4R)-3,4-dihydro-1,3-dimethyl-2-benzopyran-4,5-diol (7). Similar cyclization of the epimeric (α′ R,2S)-lactaldehyde (25) yields solely the corresponding (1R,3S,4R)-4,5-diol (34). The 4,5-diacetate (26), but not (35), undergoes conformational inversion of the heterocyclic ring through significant 4,5-peri interactions between the adjacent acetoxy substituents.

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A, Gupta, and Verma AK. "Association of Serum 25-Hydroxyl Vitamin D Deficiency and Idiopathic Presenile Cataract -A Hospital Based Study." Open Access Journal of Ophthalmology 10, no. 2 (2025): 1–5. https://doi.org/10.23880/oajo-16000340.

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Background: Cataract is the leading cause of blindness in India mainly due to age related changes in the lens. Early onset cataract can be visually debilitating having high societal burden requiring early surgical intervention. Identifying modifiablerisk factors can delay or prevent early onset cataractous changes.Aim of the study: The aim of this study was to determine any association between Serum 25-Hydroxyl (25-OH ) Vitamin D Deficiency and Idiopathic Presenile CataractMaterials and Methods: The study was undertaken at Tertiary care hospital in hilly state of India. A detailed medical hist

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Albahlol, Ibrahim A., Abdulrahman H. Almaeen, Abdulrahman A. Alduraywish, Umar F. Dar, and Tarek H. El-Metwally. "Vitamin D Status and Pregnancy Complications: Serum 1,25-di-hydroxyl-Vitamin D and its Ratio to 25-hydroxy-Vitamin D are Superior Biomarkers than 25-hydroxy-Vitamin D." International Journal of Medical Sciences 17, no. 18 (2020): 3039–48. http://dx.doi.org/10.7150/ijms.47807.

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Psaltou, Savvina, Efthimia Kaprara, Kyriaki Kalaitzidou, Manassis Mitrakas, and Anastasios Zouboulis. "The Effect of Thermal Treatment on the Physicochemical Properties of Minerals Applied to Heterogeneous Catalytic Ozonation." Sustainability 12, no. 24 (2020): 10503. http://dx.doi.org/10.3390/su122410503.

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In order to enhance the efficiency of heterogeneous catalytic ozonation, the effect of thermal treatment on three commonly used and inexpensive minerals, i.e., zeolite, talc and kaolin (clay), which present different physicochemical properties as potential catalysts, has been examined for the removal of para-chlorobenzoic acid (p-CBA). p-CBA is considered a typical micro-pollutant, usually serving as an indicator (model compound) to evaluate the production of hydroxyl radicals in ozonation systems. The catalytic activity of selected solid catalysts was studied for different pH values (6, 7 and

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Sihombing, Y. A., D. Edikresnha, I. Anshori, D. A. Hapidin, and K. Khairurrijal. "Electrical Resistivities of PVA/Activated Carbon-Based Hydrogels." Journal of Physics: Conference Series 2734, no. 1 (2024): 012037. http://dx.doi.org/10.1088/1742-6596/2734/1/012037.

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Abstract This study investigates the physical and electrical properties of the polyvinyl alcohol (PVA) hydrogel incorporated with edible Activated Carbon (AC). Three samples, namely PVA, PVA/AC 0.5, and PVA/AC 1.0 were prepared using the freeze-thaw method. The samples underwent six freeze-thaw cycles, each consisting of freezing at –25°C for 20 hours and subsequent exposure to room temperature for 4 hours. The porous network of hydrogel is attributed to the hydroxyl groups of PVA, resulting from the intermolecular cross-linking of PVA chains. The edible AC was uniformly dispersed within the h

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Dissertations / Theses on the topic "25 hydroxyl"

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Prante, Marc [Verfasser]. "Aptasensoren für kleine Moleküle anhand des Beispiels 25-Hydroxy-Vitamin D3 / Marc Prante." Hannover : Gottfried Wilhelm Leibniz Universität, 2021. http://d-nb.info/1233426532/34.

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Lu, Hongjin. "Study of the interferon-oxysterol antiviral response and 3-Hydroxy-3-Methylglutaryl-CoA Reductase." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/25700.

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The oxysterol, 25-hydroxycholesterol (25-HC), is important for sterol metabolism and emerging evidence suggests that 25-HC plays a more critical role in immunity and infection. However, the precise antiviral mechanism and the target of 25- HC remains unclear. Here efforts were made to investigate the link between viral infection and the triggering of the 25-HC associated interferon (IFN) response, and how this dynamically alters the endogenous level of 3-hydroxy- 3-methylglutaryl-CoA reductase (HMGCR), a key enzyme that catalyses the production of the precursor of cholesterol and oxysterols. I

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Schäfer, Theresa Katharina [Verfasser], Thomas [Akademischer Betreuer] Meyer, Thomas [Gutachter] Meyer, and Luise [Gutachter] Poustka. "Beziehungen zwischen 25-Hydroxy-Vitamin D und Lebensqualität sowie psychischen Auffälligkeiten bei deutschen Jugendlichen / Theresa Katharina Schäfer ; Gutachter: Thomas Meyer, Luise Poustka ; Betreuer: Thomas Meyer." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2020. http://d-nb.info/1203372264/34.

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DEBERDT, SAMUEL. "Etude experimentale de la complexation aqueuse des terres rares avec les ions hydroxyles et les anions organiques legers (25-150\c) : modelisation thermodynamique." Toulouse 3, 2000. http://www.theses.fr/2000TOU30047.

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L'objectif de ce travail est d'acquerir des donnees thermodynamiques sur les especes hydrolysees et les complexes organiques des terre rares (tr), en vue de mieux comprendre leur comportement dans les eaux naturelles. Des mesures de solubilite d'hydroxydes solides de la et de gd, realisees dans une large gamme de ph(5-11) et de temperature (40-150\c), montrent que les especes hydrolysees intermediaires tr(oh) 2 +, tr(oh) 2 + et tr(oh) 3 o sont toujours negligeables par rapport aux ions tr 3 + et tr(oh) 4 -. Les constantes de dissociation ks 0 et ks 4 correspondantes sont determinees et extrapo

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Junior, Idvaldo Aparecido Favaretto. "Influência do β-hidroxi-β-metilbutirato na musculatura esquelética em ratos submetidos ao alcoolismo." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/25/25149/tde-13092016-092509/.

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Sabe-se que a cada ano cerca de dois bilhões de pessoas consomem bebidas alcoólicas, e no Brasil há uma estimativa de que aproximadamente 11,2% da população é dependente de álcool, o que representa mais de cinco milhões de pessoas. Básicamente se pode dizer que todos os órgãos são afetados pela exposição crônica e aguda, mas as miopatias alcoólicas atingem de 1/3 a 2/3 dos alcoólatras e são as das doenças musculares mais frequentes. A literatura apresenta vários suplementos nutricionais que prometem melhora na performance de atividade físicas promovendo conservação ou hipertrofia das fibras m

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Chouiali, Ahlem. "Comparaison de deux méthodes de mesure de la vitamine D en post chirurgie bariatrique malabsorptive de type dérivation bilio-pancréatique." Mémoire, Université de Sherbrooke, 2017. http://hdl.handle.net/11143/11786.

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Introduction: La prévalence de l'hypovitaminose D peut atteindre 90% chez les patients après une chirurgie bariatrique type dérivation bilio-pancréatique (DBP) malgré la supplémentation avec des méga-doses de vitamine D. Notre hypothèse est que la méthode de dosage immuno-compétitive courante de Roche pourrait ne pas reconnaître de façon équimolaire les deux formes de la 25-OH vitamine D (25-OH-D2 et 25-OH-D3), surestimant ainsi la prévalence du déficit en vitamine D et exposant ces patients, et plus particulièrement ceux supplémentés en D2, à un risque de toxicité à la vitamine D. Objectif:

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Schäfer, Theresa Katharina. "Beziehungen zwischen 25-Hydroxy-Vitamin D und Lebensqualität sowie psychischen Auffälligkeiten bei deutschen Jugendlichen." Doctoral thesis, 2020. http://hdl.handle.net/21.11130/00-1735-0000-0005-12ED-C.

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Pannach, Melanie. "Löslichkeitsgleichgewichte basischer Magnesiumchlorid- und Magnesiumsulfat-Hydrate in wässrigen Lösungen bei 25 °C bis 120 °C." 2018. https://tubaf.qucosa.de/id/qucosa%3A33482.

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Basische Magnesiumsalz-Hydrate, insbesondere die Chloride, stellen die Bindemittelphasen des Magnesiabaustoffs (auch Sorelbaustoff genannt) dar. Eine besondere Anwendung findet dieser Baustoff aufgrund seiner empirisch bekannten Beständigkeit gegenüber Salz bzw. salzhaltigen Lösungen zur Errichtung geotechnischer Barrieren in tiefen geologischen Formationen des Salinars. Die Bewertung der Langzeitbeständigkeit von Sorel-basierten Baustoffen in salinarer Umgebung erfordert Kenntnisse zu den Löslichkeitsgleichgewichten ausgehend vom ternären Grundsystem Mg(OH)2-MgCl2-H2O bis hin zu komplexeren S

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Books on the topic "25 hydroxyl"

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Heterocyclische Verbindungen mit 2 cyclisch gebundenen Stickstoffatomen: Stammkerne und Hydroxy-Verbindungen. - Mono- und Poly-Oxo-Verbindungen. - Hydroxy-Oxo-Verbindungen, ... des 23., 24. und 25. Bandes des Hauptwerkes. 4th ed. Springer, 2036.

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Book chapters on the topic "25 hydroxyl"

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Bársony, J., and F. Kertész. "Investigation of Adrenal Steroids and 25-Hydroxy-cholecalcipherol in Human Gramoxone Poisoning." In Archives of Toxicology. Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-69928-3_43.

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Stone, Judy. "High-Throughput Serum 25-Hydroxy Vitamin D Testing with Automated Sample Preparation." In Clinical Applications of Mass Spectrometry in Biomolecular Analysis. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-3182-8_32.

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"Adhesion between hydroxyl graft-modified polypropylene and polycarbonate films." In Polymer Surface Modification: Relevance to Adhesion, Volume 3. CRC Press, 2004. http://dx.doi.org/10.1201/b12183-25.

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Anaid Valencia-Leal, Selene, Adriana Vázquez-Guerrero, Ruth Alfaro-Cuevas-Villanueva, Rafael Huirache-Acuña, Orlando Hernández-Cristobal, and Raúl Cortés-Martínez. "Surface Functionalization of a Biosorbent with Surfactant and Iron Nanoparticles for Fluoride Adsorption: Mechanisms and Thermodynamic Parameters." In Adsorption - Fundamental Mechanisms and Applications [Working Title]. IntechOpen, 2025. https://doi.org/10.5772/intechopen.1008925.

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The contamination of groundwater by fluoride poses a serious global health concern. This research investigates the enhancement of guava seed microparticles (GSM) for fluoride adsorption by modifying them with a cationic surfactant (HDTMA-Br) and iron nanoparticles (MNP), resulting in a functionalized biosorbent (GSM-Fe). The research evaluates the process’s fluoride adsorption capacity, mechanisms, and thermodynamics. Characterization techniques confirmed successful surface modifications, including SEM, FTIR, and zeta potential measurements. Batch experiments assessed the impact of contact tim

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Lambert, Tristan H. "Asymmetric C–Heteroatom Bond Formation." In Organic Synthesis. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780190200794.003.0036.

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Tomislav Rovis at Colorado State University developed (Angew. Chem. Int. Ed. 2012, 51, 5904) an enantioselective catalytic cross-aza-benzoin reaction of aldehydes 1 and N-Boc imines 2. The useful α-amido ketone products 4 were configurationally stable under the reaction conditions. In the realm of asymmetric synthesis, few technologies have been as widely employed as the Ellman chiral sulfonamide auxiliary. Francisco Foubelo and Miguel Yus at the Universidad de Alicante in Spain have adapted (Chem. Commun. 2012, 48, 2543) this approach for the indium-mediated asymmetric allylation of ketimines

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"27-Nor-3β-hydroxy-25-oxocycloartane." In Natural Compounds. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-0537-5_21.

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Andrews, David R., Derek H. R. Barton, Robert H. Hesse, and Maurice M. Pechet. "Synthesis of 25-Hydroxy- and 1α,25-Dihydroxyvitamin3, from Vitamin2, (Calciferol)." In World Scientific Series in 20th Century Chemistry. WORLD SCIENTIFIC / IMPERIAL COLLEGE PRESS, 1996. http://dx.doi.org/10.1142/9789812795984_0074.

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Taber, Douglass F. "C–N Ring Construction: The Waser Synthesis of Jerantinine E." In Organic Synthesis. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190646165.003.0053.

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James A. Bull of Imperial College London prepared (J. Org. Chem. 2013, 78, 6632) the aziridine 2 with high diastereocontrol by adding the anion of diiodomethane to the imine 1. Karl Anker Jørgensen of Aarhus University observed (Chem. Commun. 2013, 49, 6382) high ee in the distal aziridination of 3 to give 4. Benito Alcaide of the Universidad Complutense de Madrid and Pedro Almendros of ICOQ- CSIC Madrid reduced (Adv. Synth. Catal. 2013, 355, 2089) the β-lactam 5 to the azetidine 6. Hiroaki Sasai of Osaka University added (Org. Lett. 2013, 15, 4142) the allenoate 8 to the imine 7, delivering t

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Taber, Douglass F. "Substituted Benzenes: The Garg Synthesis of Tubingensin A." In Organic Synthesis. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190646165.003.0062.

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John F. Hartwig of the University of California, Berkeley devised (Science 2014, 343, 853) conditions for the regioselective silylation of an arene 1 to give 2. The silyl group can directly be converted, inter alia, to halo, amino, alkyl, or hydroxyl. Jin-Quan Yu of Scripps La Jolla effected (Angew. Chem. Int. Ed. 2014, 53, 2683) regioselective alkenylation of the arene 3 with 4 to give 5. Wei-Liang Duan of the Shanghai Institute of Organic Chemistry described (Org. Lett. 2014, 16, 500) a related alkenylation protocol. Deping Wang of Henyang Normal University developed (Eur. J. Org. Chem. 201

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Doraiswamy, L. K. "Phase-Transfer Reaction Engineering." In Organic Synthesis Engineering. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780195096897.003.0028.

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There are many situations in organic synthesis where it is desirable to bring about reaction between reactants present in two (or more) immiscible phases. Agents known as phase-transfer catalysts are used for this purpose. Their role in initiating or accelerating such reactions has been proven extensively since the early seventies, and the principles of their operation are being increasingly understood [see Weber and Gokel, 1977; Reuben and Sjoberg, 1981; Frechet, 1984; Freedman, 1986; Goldberg, 1992 (English translation); Dehmlow and Dehmlow, 1993; Starks et al., 1994; Yufit, 1995; Sasson and

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Conference papers on the topic "25 hydroxyl"

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Videm, Ketil. "The Influence of Composition of Carbon Steels on Anodic- and Cathodic Reaction Rate in CO2 Corrosion." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98030.

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Abstract Experiments were carried out with pure iron and carbon steels in CO2 containing brine in the temperature range 25-70°C. The anodic dissolution of iron takes place by two different mechanisms Low pH and low corrosion rates favored dissolution in the "active" state. This process is charge transfer controlled and has a Tafel slope of 30-50 mV/decade. The reaction rate at a given potential increased about proportionally with the hydroxyl concentration. A change in the dissolution mechanism took place at a pH about 4 to so called "prepassive" dissolution. This process is little influenced

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Mocanu, Larisa, Maria Gonta, and Gheorghe Duca. "Study of kinetics of transformation of galliric acid using possible oxidation processes in model systems." In Conferința științifică națională cu participare internațională "Integrare prin cercetare și inovare", dedicată Zilei Internaționale a Științei pentru Pace și Dezvoltare. Moldova State University, 2025. https://doi.org/10.59295/spd2024n.88.

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Gallic acid is a naturally occurring phenolic compound. Due to its persistence and potential toxicity, presents environmental challenges. Removal of gallic acid from wastewater, allows recycling and reuse of water in various industrial processes, reducing water consumption and contributing to sustainable practices. As a result, the removal of gallic acid from aqueous model solutions was studied by applying (AOPs): AG/Fenton, AG/Fenton/UV, AG/TiO2/H2O2/UV according to different physicochemical parameters. AOPs have emerged as promising techniques due to their ability to generate highly reactive

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"Advanced thermo-chemical treatment of waste Bambusa Vulgaris for sustainable resource recovery." In Sustainable Processes and Clean Energy Transition. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902516-22.

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Abstract. Bambusa Vulgaris or Bamboo is one of the rapidly growing woody plants among different species and not being utilized properly around the world. Hence, the utilization of bamboo for sustainable resource recovery is required to avoid deforestation. This study is focused on thermo-chemical treatment of bamboo waste to investigate the physico-chemical properties of generated products. Experiments were carried out in semi batch, four zone electrically heated, rotary kiln reactor, with reaction time of 90 minutes and heating rate of 25 °C/min, for yield optimization. Products were analyzed

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SINGH ROHEWAL, SARGUN SINGH, JIHO SEO, NIHAL KANBARGI, and AMIT K. NASKAR. "RECYCLABLE CELLULOSE FIBER REINFORCED VITRIMER COMPOSITE." In Proceedings for the American Society for Composites-Thirty Eighth Technical Conference. Destech Publications, Inc., 2023. http://dx.doi.org/10.12783/asc38/36699.

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Vitrimer is an innovative class of polymeric materials which demonstrates traditional thermoset-like mechanical and chemical resilience while still being able to flow on demand like a traditional thermoplastic through covalently adaptive dynamic linkages. Herein, high-performance cellulose fiber reinforced vitrimer composites are developed using an epoxy-based vitrimer and natural cellulose paper. The reinforced vitrimer composite was fabricated by impregnating the porous structure of cellulose paper with two curable monomers, followed by in-situ polymerization of the monomers inside the fibro

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Castiñeiras, Alfonso, Isabel García-Santos, and Rocío Torres-Iglesias. "Multicomponent Crystalline Solid Forms of Pyridinecarboxamides and DL-2-Hydroxy-2-phenylacetic Acid." In ECSOC-25. MDPI, 2021. http://dx.doi.org/10.3390/ecsoc-25-11729.

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Luís, Odília M. P. F., Nuna L. P. Ramos, Susana P. G. Costa, and Maria Manuela M. Raposo. "Synthesis, Characterization, and Preliminary Chemosensory Ability of a Novel 2,4,5-Tri(Hetero)Arylimidazole Based on an 8-Hydroxy-Quinoline Group." In ECSOC-25. MDPI, 2021. http://dx.doi.org/10.3390/ecsoc-25-11748.

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Țigău, Andreea, Georgiana Vasile, Alina Popescu, Rodica Roxana Constantinescu, and Laura Chirilă. "Hydrogel Dressings with Antimicrobial and Healing Properties." In The 9th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2022. http://dx.doi.org/10.24264/icams-2022.ii.25.

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The current study aimed to develop hydrogels as delivery systems based on a mixture of biodegradable and biocompatible polymers (i.e., gelatin and collagen) for encapsulating different active principles (i.e., chamomile and plantain tincture, aloe vera and propolis) to obtain dressings for treating first-degree burns injuries. The synthesized hydrogels were then immobilized on a textile material made from 100% cotton fibers. The functionalized textile materials were analyzed in terms of physical-mechanical characteristics, water absorbency and antibacterial activity. SEM analysis was used to i

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Kuti, B. P., D. K. Kuti, and O. S. Smith. "Relationship Between Serum Inflammatory Cytokines and 25-Hydroxy Vitamin D in Nigerian Children with Asthma." In American Thoracic Society 2019 International Conference, May 17-22, 2019 - Dallas, TX. American Thoracic Society, 2019. http://dx.doi.org/10.1164/ajrccm-conference.2019.199.1_meetingabstracts.a1333.

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Wu, Xiudong, Chensha Li, Xuezhen Huang, et al. "A microfluidic sensor of Botulinum neurotoxin type a utilizing SNAP-25 incorporated responsive hydrogel." In 2013 IEEE Sensors. IEEE, 2013. http://dx.doi.org/10.1109/icsens.2013.6688282.

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Fabian, CJ, BF Kimler, T. Phillips, and CM Zalles. "Levels of 25-hydroxy-vitamin D in pre-menopausal women at high risk for development of breast cancer." In CTRC-AACR San Antonio Breast Cancer Symposium: 2008 Abstracts. American Association for Cancer Research, 2009. http://dx.doi.org/10.1158/0008-5472.sabcs-5079.

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Reports on the topic "25 hydroxyl"

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ปทุมราช, สุทธิลักษณ์, та โศรดา กนกพานนท์. การพัฒนาเคอคูมินแพ็ทเพื่อใช้ในการยับยั้งการเติบโตของเซลล์มะเร็งตับที่ปลูกบนผิวหนังของหนูนู๊ดไมส์. จุฬาลงกรณ์มหาวิทยาลัย, 2008. https://doi.org/10.58837/chula.res.2008.22.

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วัตถุประสงค์ของงานวิจัยนี้คือ การพัฒนาระบบควบคุมการปลดปล่อยเคอร์คูมิน อย่างต่อเนื่อง เพื่อใช้ในการยับยั้งการเติบโตของเซลล์มะเร็งตับที่ปลูกบนผิวหนัง ของหนูนู๊ดไมส์ ในการวิจัยครั้งนี้ใช้วิธี modified-hydrophillic hydrogel ของเจลาติน ให้มีหมู่ hydrophobics เพื่อให้สามารถควบคุมการปล่อย เคอร์คูมิน อย่างต่อเนื่อง โดยตรงในบริเวณที่ปลูกเซลล์มะเร็ง การทดลองนี้ใช้หนูนูดไมส์ เพศผู้ (BALB/c-nude mice) อายุ 6-8 สัปดาห์ น้ำหนักตัวระหว่าง 22-25 กรัม ทำการปลูกถ่ายเซลล์เฮปจี-ทู (2x10⁶ เซลล์) ลงใน dorsal shinfold chamber ด้วยเทคนิคปลอดเชื้อที่ 2 วัน ภายหลังจากการติด chamber หนูนูดไมส์ทั้งสองกลุ่มจะถูกฝังเจลาติน

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พรภคกุล, สุรชัย. สารเมแทบอไลท์ต้านจุลชีพและต้านมะเร็งจากราเอ็นโดไฟท์ : รายงานการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 2011. https://doi.org/10.58837/chula.res.2011.49.

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Abstract:

การวิจัยภายใต้โครงการนี้ ได้ทำการศึกษาสารเมแทบอไลท์ของราเอ็นโดไฟท์ Emericella variecolor ในอาหารเพาะเลี้ยง Malt Czapek-Dox broth (MCzB) และ Czapek-Dox broth (CzB) และสารเมแทบอไลท์ ของเห็ดเผาะ Astraeus odoratus ส่วนสกัดเอธิล แอซิเทตของส่วนน้ำเลี้ยงและเส้นใยราเอ็นโดไฟท์ E. variecolor ที่เพาะเลี้ยงในอาหาร เหลว Malt Czapek-Dox นำไปแยกด้วยซิลิกาเจลคอลัมน์โครมาโทกราฟี โดยใช้ตัวทำละลาย เฮกเซน, เฮ กเซน-เอธิล แอซิเทต, เอธิล แอซิเทต, เอธิล แอซิเทต-เมทานอล และเมทานอล ตามลำดับ นำส่วนแยกมาทำ ให้บริสุทธิ์ สารที่แยกได้จากส่วนสกัดเอธิล แอซิเทตจากเส้นใย ได้แก่ stellatic acid (1), ergosterol (2), สาร กลุ่ม xant

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