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Journal articles on the topic 'Alcohol Absorption Rate'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Ali, hossen altaef al tikriti. "Comparative Efficacy of Madrid Plant Extracts in Controlling Red Flour Beetle Populations: A Laboratory Evaluation of Alcohol and Aqueous Solutions." INTERNATIONAL JOURNAL OF PHARMACEUTICAL AND BIO-MEDICAL SCIENCE 04, no. 02 (2024): 64–71. https://doi.org/10.5281/zenodo.10673765.

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The efficiency of the alcohol and aqueous excerpt from the Madrid plant in killing ratios of colour red cover beetle larvae and adults afterwards behaviours lasting 24, 48, and 72 hours was valued in laboratory research. Three dissimilar Madrid plant absorptions (1.50 per cent, 3.0%, and 4.59 per cent) were selected to stop the beetle's larvae and adults. The outcomes displayed that the Madrid plant excerpt formed notable degrees. Following 72 hours, the watery excerpt's adult expiry rate was 33.0%, while the alcohol excerpt was 60.0% at 3.0% absorption. After 72 hours, the alcohol excerpt is

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2

Yakovleva, L. M., S. V. Lezhenina, Zh V. Maslova, and S. V. Kupriyanov. "Study of the absorptive intestinal function in an experimental model of chronic alcohol intoxication." Kazan medical journal 93, no. 3 (2012): 499–502. http://dx.doi.org/10.17816/kmj1877.

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Aim. To study the absorptive function of the rat intestine on the background of prolonged alcohol intoxication. Methods. The study was performed on 24 nonlinear white male rats (12 animals in the control and experimental groups) weighing 220-240 g, which had a daily consumption of 20° ethanol solution (ethyl alcohol) for the duration of 180 days. After 6 months perfusion of the isolated segment of jejunum with a dextrose (glucose) solution 35 mmol/L was performed by in the rats the method A.M. Ugolev. The luminescence-histochemical method was used to examine the content of catecholamines and s

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3

Wang, Xiao Hua. "Synthesis of Acrylic High-Oil Absorption Resins." Advanced Materials Research 502 (April 2012): 222–26. http://dx.doi.org/10.4028/www.scientific.net/amr.502.222.

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Through suspension polymerization , the influences of different crosslinking agent, initiator, disperser and reaction temperature on oil absorption rate of cetane methacrylate highly oil absorptive resin were studied. The oil absorption ability of the resin for different oil was investigated. The results show the oil absorption capacity of synthesized resins was good with crosslinker divinylbenzene(DVB), initiator benzoyl peroxide(BPO) and disperser polyvinyl alcohol(PVA). Suitable process conditions were: crosslinker DVB 1.0%, initiator BPO 1.2%, disperser PVA 0.8%, reaction temperature 70°C,

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4

Groen, B. W., M. A. G. van Kleef, and J. A. Duine. "Quinohaemoprotein alcohol dehydrogenase apoenzyme from Pseudomonas testosteroni." Biochemical Journal 234, no. 3 (1986): 611–15. http://dx.doi.org/10.1042/bj2340611.

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Cell-free extracts of Pseudomonas testosteroni, grown on alcohols, contain quinoprotein alcohol dehydrogenase apoenzyme, as was demonstrated by the detection of dye-linked alcohol dehydrogenase activity after the addition of PQQ (pyrroloquinoline quinone). The apoenzyme was purified to homogeneity, and the holoenzyme was characterized. Primary alcohols (except methanol), secondary alcohols and aldehydes were substrates, and a broad range of dyes functioned as artificial electron acceptor. Optimal activity was observed at pH 7.7, and the presence of Ca2+ in the assay appeared to be essential fo

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5

Dmitrieva, N. G., E. N. Bocharnikova, and D. M. Ezhov. "Induced absorption spectra crystal violet." Izvestiya vysshikh uchebnykh zavedenii. Fizika, no. 11 (2021): 96–101. http://dx.doi.org/10.17223/00213411/64/11/96.

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The "pump-probe" method was used to study the short-lived induced singlet-singlet and long-lived triplet-triplet absorption capacity of crystal violet (CV) in various solvents. Water, dimethyl sulfoxide, isopropyl alcohol, and ethyl alcohol were chosen as solvents. The formation of CV triplet states in various solvents under excitation by nanosecond radiation of the 4th harmonic of a Nd:YAG laser (wavelength 266 nm, average power 25.5 mV, repetition rate 3 Hz, pulse duration 10 ns, peak power - 10-12 MW/cm2). It is shown that the nonstationary spectra of induced absorption of CV in ethanol con

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6

Johnson, R. D., M. Horowitz, A. F. Maddox, J. M. Wishart, and D. J. Shearman. "Cigarette smoking and rate of gastric emptying: effect on alcohol absorption." BMJ 302, no. 6767 (1991): 20–23. http://dx.doi.org/10.1136/bmj.302.6767.20.

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7

Nam, B., Y. J. Kwon, K. H. Lee, D. I. Jon, I. Shon, and J. S. Seo. "The Characteristics of Alcohol Pharmacokinetics of Korean Female." European Psychiatry 33, S1 (2016): S462. http://dx.doi.org/10.1016/j.eurpsy.2016.01.1681.

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IntroductionThe systematized and proper sized research of alcohol pharmacokinetics in Korean has not reported ever.Objectives and aimAim of this study is to measure the β value and alcohol pharmacokinetic factors in Korean adult female and the relationship between the β value and some variables including age, smoking, total body water, drinking capacity, BMI, blood cholesterol, body fat and body fat ratio.MethodsNinety-one subjects were randomly divided into two groups. One group was provided as much as 0.35 mg/mL/kg of alcohol and the other as much as 0.70 mg/mL/kg, and blood alcohol concentr

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8

Aimukhanov, А. К., X. S. X.S. Rozhkova, А. К. Zeinidenov, and Т. E. Seisembekova. "Influence of surface structure and morphology of PEDOT: PSS on its optical and electrophysical characteristics." Bulletin of the Karaganda University. "Physics" Series 103, no. 3 (2021): 93–100. http://dx.doi.org/10.31489/2021ph3/93-100.

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This paper presents the results of a study of the effect of modification of the structure of the PEDOT: PSS polymer with hole conductivity on the optical and electrophysical properties of an organic solar cell. It was found that the modification of a polymer film with ethyl and isopropyl alcohols leads to a change in the morphology and roughness of the film surface. It has been determined that annealing of films in alcohol vapor promotes the formation of more uniform films. It is shown that upon modification of the PEDOT: PSS film in alcohol vapor the absorption spectrum shifts the absorption

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9

Siboonruang, Tana, Ryan Travis Hannagan, Johanna Schröder, et al. "Elucidating the Mechanism of Nickel-Mediated Electrochemical Alcohol Oxidation Using in-Situ X-Ray Absorption Spectroscopy and Microkinetic Modeling." ECS Meeting Abstracts MA2024-02, no. 56 (2024): 3759. https://doi.org/10.1149/ma2024-02563759mtgabs.

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Electrochemical alcohol oxidation (AOR) is an attractive replacement for oxygen evolution reaction (OER) in hydrogen production. Compared to OER, AOR has a lower thermodynamic potential and produces higher value products. Nickel-mediated AOR has been proposed to proceed through a chemical, redox pathway preferred by aldehydes (geminal diols in alkaline electrolyte), and a potential dependent pathway preferred by alcohols. The precise mechanism of these reactions and their effects on the material are not well understood. Using furfural and furfuryl alcohol as model molecules, we elucidate the m

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10

Gilliam, David M. "Alcohol absorption rate affects hypothermic response in mice: Evidence for rapid tolerance." Alcohol 6, no. 5 (1989): 357–62. http://dx.doi.org/10.1016/0741-8329(89)90004-9.

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11

Winberg, J. O., R. Hovik, J. S. McKinley-McKee, E. Juan, and R. Gonzalez-Duarte. "Biochemical properties of alcohol dehydrogenase from Drosophila lebanonensis." Biochemical Journal 235, no. 2 (1986): 481–90. http://dx.doi.org/10.1042/bj2350481.

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Purified Drosophila lebanonensis alcohol dehydrogenase (Adh) revealed one enzymically active zone in starch gel electrophoresis at pH 8.5. This zone was located on the cathode side of the origin. Incubation of D. lebanonensis Adh with NAD+ and acetone altered the electrophoretic pattern to more anodal migrating zones. D. lebanonensis Adh has an Mr of 56,000, a subunit of Mr of 28 000 and is a dimer with two active sites per enzyme molecule. This agrees with a polypeptide chain of 247 residues. Metal analysis by plasma emission spectroscopy indicated that this insect alcohol dehydrogenase is no

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12

Zhang, Songxia, Ying Xu, Mengling Ye, et al. "Resveratrol in Liquor Exacerbates Alcoholic Liver Injury with a Reduced Therapeutic Effect in Mice: An Unsupervised Herbal Wine Habit Is Risky." Nutrients 14, no. 22 (2022): 4752. http://dx.doi.org/10.3390/nu14224752.

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People in Eastern countries hold a tradition of soaking herbal medicine in wine; however, the efficacy and safety of herbal wine have not been rigorously assessed. By assessing the efficacy of resveratrol (RSV) in ethanol against alcoholic liver disease (ALD) in mice, we aimed to offer a perspective on the use of herbal wine. To simulate the behaviour of herbal wine users, RSV (15 mg/kg) soaked in ethanol (RSV-alcohol) was administrated via gavage to the mice, here with alcohol consumption-induced ALD. RSV soaked in water (RSV-water) was the treatment control. The efficacy and safety of RSV on

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13

Butts, Molly, Raja Singh Paulraj, Jennifer Haynes, Subha Arthur, Soudamani Singh, and Uma Sundaram. "Moderate Alcohol Consumption Inhibits Sodium-Dependent Glutamine Co-Transport in Rat Intestinal Epithelial Cells in Vitro and Ex Vivo." Nutrients 11, no. 10 (2019): 2516. http://dx.doi.org/10.3390/nu11102516.

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Malnutrition is present in chronic alcoholics. However, how moderate alcohol consumption affects the absorption of nutrients like glutamine has not been investigated. Glutamine, an amino acid, is vital to gastrointestinal health. Glutamine is absorbed via sodium-dependent glutamine co-transport (B0AT1; SLC6A19) along the brush border membrane of absorptive villus cells. Rat intestinal epithelial cells (IEC-18) and sixteen-week-old Sprague Dawley rats were administered the equivalent of a 0.04% blood alcohol content of ethanol (8.64 mM; 2 g/kg) to investigate the effect of moderate alcohol on s

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14

Wang, Mei, Mingming Wang, Na Rao, Jiale Li, and Jianfen Li. "Enhancement of CO2 capture performance of aqueous MEA by mixing with [NH2e-mim][BF4]." RSC Advances 8, no. 4 (2018): 1987–92. http://dx.doi.org/10.1039/c7ra11757d.

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15

Chaikomin, Reawika, Antonietta Russo, Christopher K. Rayner, et al. "Effects of lipase inhibition on gastric emptying and alcohol absorption in healthy subjects." British Journal of Nutrition 96, no. 5 (2006): 883–87. http://dx.doi.org/10.1017/bjn20061922.

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The rate of alcohol absorption is dependent on gastric emptying (GE). As the slowing of GE by fat is dependent on lipolysis, orlistat may increase the rise in blood alcohol when alcohol is consumed with, or after, fat. The aim of the study was to evaluate the effects of orlistat on GE and blood alcohol after an alcohol-containing drink following a fat ‘preload’, in healthy subjects. Ten healthy males consumed 120 ml cream with or without 120 mg orlistat, 30 min before an alcohol-containing drink labelled with 20 MBq [99 mTc]sulfur colloid on 2 d. GE, plasma alcohol and blood glucose were measu

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16

Aimukhanov, А. К. "FFECT OF ALCOHOL SOLVENTS ON THE STRUCTURAL, OPTICALAND ELECTRICAL CHARACTERISTICS OF PEDOT:PSS POLYMER FILMS ANNEALED AT LOW ATMOSPHERIC PRESSURE." Eurasian Physical Technical Journal 19, no. 2 (40) (2022): 35–41. http://dx.doi.org/10.31489/2022no2/35-41.

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The paper presents the results of a study of the effect of alcohol solvents on the surface structure, optical and electrical characteristics of a Poly(3,4-ethylenedioxythiophene) polystyrene sulfonate filmsannealed at a low atmospheric pressure of 10-3millimetersof mercury. It has been found that the modification of the surface of a polymer film with ethyl and isopropyl alcohols leads to a change in the surface morphology, optical and electrical transport properties of the polymer. It is shown that when the Poly(3,4-ethylenedioxythiophene) polystyrene sulfonate film is modified with alcohol so

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17

Hussin, Nabihah, Asrul Izam Azmi, Mohd Rashidi Salim, et al. "Graphene-polyvinyl alcohol polymer based saturable absorption at 2000 nm region." Indonesian Journal of Electrical Engineering and Computer Science 27, no. 2 (2022): 701–8. https://doi.org/10.11591/ijeecs.v27.i2.pp701-708.

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A graphene-polyvinyl alcohol (PVA) composite saturable absorption is demonstrated at 2000 nm region. Graphene suspension is produced using low-cost electrochemical exfoliation process. The suspension is mixed with PVA host polymer in 1:1 ratio and left evaporated at room temperature which finally produced graphene-PVA thin film. Thulium doped fiber (TDF) gain medium has been shown to produce a stable Q-switched pulse with a highest repetition rate of 54 kHz, a short pulse duration of 2.89 µs, a maximum peak power of 16 mW, and an estimated maximum pulse energy of 49 nJ. Apparently, at 20

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18

Levitt, M. D., D. G. Levitt, J. Furne, and E. G. DeMaster. "Can the liver account for first-pass metabolism of ethanol in the rat?" American Journal of Physiology-Gastrointestinal and Liver Physiology 267, no. 3 (1994): G452—G457. http://dx.doi.org/10.1152/ajpgi.1994.267.3.g452.

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Although the liver has far more ethanol-metabolizing capacity than does the stomach, all first-pass metabolism of alcohol is said to occur in the gastric mucosa because hepatic alcohol dehydrogenase is saturated at low peripheral blood alcohol concentrations. We evaluated the ability of the liver to carry out first-pass metabolism in the rat by constructing a model of hepatic handling of ethanol based on the kinetics of ethanol clearance after intraperitoneal injection of alcohol. Because the efficiency of first-pass metabolism is influenced by the rate of delivery of ethanol, the absorption r

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19

Du, Zhi Hong, Hong Jun Huang, Hong Jing Wan, Lei Jiang, and Guo Shun Wan. "Study on Adhesion Properties of Poly (sodium acrylate)-Polyvinyl Alcohol Super Absorbent Resin." Applied Mechanics and Materials 423-426 (September 2013): 312–17. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.312.

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A poly (sodium acrylate)-polyvinyl alcohol superabsorbent resin is synthesized from acrylic acid (AA) and polyvinyl alcohol. A new method is established to measure the adhesion properties. Then the influence of different experimental conditions on the adhesion properties of the resin is discussed. The results indicate that the adhesion properties of super absorbent resin have some variation with the water absorption increased, the initial pressure and the separation rate. It can be explained by the theory of polymer structure, mechanical interlock and stress relaxation.

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20

Ge, Tiejun, Xiaoqi Hu, Kaihong Tang, and Dongqi Wang. "The Preparation and Properties of Terephthalyl-Alcohol-Modified Phenolic Foam with High Heat Aging Resistance." Polymers 11, no. 8 (2019): 1267. http://dx.doi.org/10.3390/polym11081267.

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In this experiment, terephthalyl alcohol was used as a modifier to modify phenol under both acidic and alkaline conditions to obtain modified phenols with different molecular structures. Subsequently, the modified phenols reacted with paraformaldehyde in an alkaline environment. After foaming and curing, a modified phenolic foam with high heat aging resistance was obtained. The molecular structure was characterized via Fourier transform infrared spectrometry (FT-IR) and nuclear magnetic resonance spectroscopy (13C NMR). The results showed that two different structures of phenolic resin can be

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21

Hussin, Nabihah, Asrul Izam Azmi, Mohd Rashidi Salim, et al. "Graphene-polyvinyl alcohol polymer based saturable absorption at 2000 nm region." Indonesian Journal of Electrical Engineering and Computer Science 27, no. 2 (2022): 701. http://dx.doi.org/10.11591/ijeecs.v27.i2.pp701-708.

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A <span>graphene-polyvinyl alcohol (PVA) composite saturable absorption is demonstrated at 2000 nm region. Graphene suspension is produced using low-cost electrochemical exfoliation process. The suspension is mixed with PVA host polymer in 1:1 ratio and left evaporated at room temperature which finally produced graphene-PVA thin film. Thulium doped fiber (TDF) gain medium has been shown to produce a stable Q-switched pulse with a highest repetition rate of 54 kHz, a short pulse duration of 2.89 µs, a maximum peak power of 16 mW, and an estimated maximum pulse energy of 49 nJ. Apparently,

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22

Horowitz, M., A. Maddox, M. Bochner, et al. "Relationships between gastric emptying of solid and caloric liquid meals and alcohol absorption." American Journal of Physiology-Gastrointestinal and Liver Physiology 257, no. 2 (1989): G291—G298. http://dx.doi.org/10.1152/ajpgi.1989.257.2.g291.

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The effects of three variations in meal composition (a solid and a liquid meal consumed together, a liquid meal consumed alone, and a liquid meal consumed 90 min after a solid meal) on the rates and patterns of solid and liquid gastric emptying were examined in 13 volunteers. By including alcohol (0.5 g/kg body wt) in the liquid meal, the relationship between alcohol absorption and gastric emptying was also assessed. The lag phase and the initial emptying phase of the solid meal were prolonged (P less than 0.001) when the liquid meal was consumed with the solid meal, compared with when the liq

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23

Hatterman-Valenti, Harlene M., Abelino Pitty, and Micheal D. K. Owen. "Effect of environment on giant foxtail (Setaria faberi) leaf wax and fluazifop-P absorption." Weed Science 54, no. 4 (2006): 607–14. http://dx.doi.org/10.1614/ws-04-158r2.1.

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Controlled-environment experiments were conducted to determine giant foxtail epicuticular wax (ECW) deposition and fluazifop-P absorption under different environmental conditions and with two adjuvants. Drought stress and low temperature increased leaf ECW content, whereas low light intensity decreased ECW content compared with medium light intensity. Drought stress conditions decreased the fatty acid and primary alcohol content of ECW and increased the hydrocarbon content compared with field capacity. Compositional changes would make the ECW more hydrophobic and reduce leaf wetting by herbici

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24

Feng, Peiyuan, Xiwen Wang, and Jin Yang. "Biomimetic, Highly Reusable and Hydrophobic Graphene/Polyvinyl Alcohol/Cellulose Nanofiber Aerogels as Oil-Removing Absorbents." Polymers 14, no. 6 (2022): 1077. http://dx.doi.org/10.3390/polym14061077.

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Aerogels have great potential in oil absorption applications; however, many reported aerogels have the drawbacks of a low oil-recovery rate and poor mechanical properties, which limit their application. In this study, highly reusable graphene oxide (GO)/TEMPO-oxidized cellulose nanofiber (TOCN)/polyvinyl alcohol (PVA) aerogels with excellent mechanical properties and with an architecture similar to that of Thalia dealbata stems were fabricated through a three-step process of bidirectional-freezing, freeze-drying, and chemical vapor deposition (CVD) modification. After CVD modification, the mod

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25

Wang, Zhe, Guanlong Li, and Xiaolan Liu. "Identification of Corn Peptides with Alcohol Dehydrogenase Activating Activity Absorbed by Caco-2 Cell Monolayers." Molecules 29, no. 7 (2024): 1523. http://dx.doi.org/10.3390/molecules29071523.

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Alcohol dehydrogenase (ADH) plays a pivotal role in constraining alcohol metabolism. Assessing the ADH-activating activity in vitro can provide insight into the capacity to accelerate ethanol metabolism in vivo. In this study, ADH-activating peptides were prepared from corn protein meal (CGM) using enzymatic hydrolysis, and these peptides were subsequently identified following simulated gastrointestinal digestion and their absorption through the Caco-2 cell monolayer membrane. The current investigation revealed that corn protein hydrolysate hydrolyzed using alcalase exhibited the highest ADH a

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26

Karunasena, Nayananjani, Daniel N. Margetson, Greg Neal, Martin J. Whitaker, and Richard JM Ross. "Impact of food, alcohol and pH on modified-release hydrocortisone developed to treat congenital adrenal hyperplasia." European Journal of Endocrinology 176, no. 4 (2017): 405–11. http://dx.doi.org/10.1530/eje-16-0948.

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Background We developed a modified-release hydrocortisone, Chronocort, to replace the cortisol rhythm in patients with congenital adrenal hyperplasia. Food, alcohol and pH affect drug absorption, and it is important to assess their impact when replicating a physiological rhythm. Subjects and methods In vitro dissolution to study impact of alcohol and pH on Chronocort. A phase 1, three-period, cross over study in 18 volunteers to assess the impact of food on Chronocort and to compare bioavailability to immediate-release hydrocortisone. Results In vitro dissolution of Chronocort was not affected

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27

Schlappa, Stephanie, Lee Josephine Brenker, Lena Bressel, Roland Hass, and Marvin Münzberg. "Process Characterization of Polyvinyl Acetate Emulsions Applying Inline Photon Density Wave Spectroscopy at High Solid Contents." Polymers 13, no. 4 (2021): 669. http://dx.doi.org/10.3390/polym13040669.

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The high solids semicontinuous emulsion polymerization of polyvinyl acetate using poly (vinyl alcohol-co-vinyl acetate) as protective colloid is investigated by optical spectroscopy. The suitability of Photon Density Wave (PDW) spectroscopy as inline Process Analytical Technology (PAT) for emulsion polymerization processes at high solid contents (>40% (w/w)) is studied and evaluated. Inline data on absorption and scattering in the dispersion is obtained in real-time. The radical polymerization of vinyl acetate to polyvinyl acetate using ascorbic acid and sodium persulfate as redox initiator

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28

Li, Jing, and Guo Zhong Li. "Influence of Waterproofing Agent on Foamed Thermal Insulation Materials and its Mechanism Inquiry." Applied Mechanics and Materials 711 (December 2014): 469–72. http://dx.doi.org/10.4028/www.scientific.net/amm.711.469.

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Lightweight aggregates glazed hollow bead, cement, foaming agent, foam stabilizer and waterproofing agents as the main raw material, produce foamed thermal insulation materials by vibration shaping. By adding emulsified stearic acid and methyl stearate alcohol organosilicon waterproofing agent, the effects of two types of waterproofing agent on quality of water absorption of foamed thermal insulation materials were studied, and the related mechanisms were discussed. Results show that the waterproofing effect of organosilicon waterproofing agents is superior to emulsified stearic acid, when the

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Barus, Diana Alemin, and Kevin Nainggolan. "Effect of Activated Carbon on Cellulose Nanofiber Aerogels for Enhanced Solar Steam Generation." Journal of Technomaterial Physics 6, no. 2 (2024): 084–88. http://dx.doi.org/10.32734/jotp.v6i2.12329.

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The development of efficient and environmentally friendly clean water production systems is becoming increasingly important. This study focuses on an innovative evaporator for a Solar Steam Generator (SSG) system designed to produce clean water using accessible materials. The SSG evaporator is constructed from cellulose bonded with Polyvinyl Alcohol (PVA) and incorporates a freeze-drying method to enhance porosity, which improves water delivery within the SSG system. To further boost the efficiency of the evaporator, activated carbon (AC) is added due to its effective absorption of visible to

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Gu, Qian, PingPing Jiang, Kai Zhang, et al. "High specific surface CeO₂–NPs doped loose porous C₃N₄ for enhanced photocatalytic oxidation ability." Nanotechnology 33, no. 23 (2022): 235603. http://dx.doi.org/10.1088/1361-6528/ac4b30.

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Abstract Porous C3N4 (PCN) is favored by researchers because it has more surface active sites, higher specific surface area and stronger light absorption ability than traditional g–C3N4. In this study, cerium dioxide nanoparticles (CeO2–NPs) with mixed valence state of Ce3+ and Ce4+ were doped into the PCN framework by a two-step method. The results indicate that CeO2–NPs are highly dispersed in the PCN framework, which leads to a narrower band gap, a wider range of the light response and an improved the separation efficiency of photogenerated charge in PCN. Moreover, the specific surface area

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31

Bradley, Arthur. "The Rate of Decolorization of a Radical Ion Reagent Was Used to Determine the Phenolic Content of Various Food Extracts." International Journal of Analytical Chemistry 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/978968.

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Polyphenols are among the most valuable and widely studied food components. In the laboratory, they are readily extractable with aqueous alcohol. An aliquot rapidly decolorizes a measured portion of ABTS, a stable deep blue radical ion. The semilog plot of light absorption versus time is typically a straight line, and an immediately evident slope provides rapid classification in terms of gallic acid equivalents. Experimental data are presented to show general agreement with the literature. The disproportionate concentration of antioxidant in the skins and peels of fruits, vegetables, and nuts

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Rashid, N. N. M., M. Q. Lokman, N. A. Nordin, H. Yahaya, and F. Ahmad. "Silver Nanoparticles Embedded in Polyvinyl Alcohol Based Passive Saturable Absorber." Journal of Physics: Conference Series 2075, no. 1 (2021): 012004. http://dx.doi.org/10.1088/1742-6596/2075/1/012004.

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Abstract Silver nanoparticles (AgNP), a novel candidate of noble metal nanoparticles, which has great potential for pulsed laser applications due to strong saturation absorption behaviour. This study demonstrated the passively Q-switched laser operating within an Erbium-doped fibre laser cavity using AgNP saturable absorber (SA). The AgNP was synthesized via the chemical reduction method and the average size of nanoparticles was around 52.39 nm. The AgNP was incorporated with polyvinyl alcohol (PVA) polymer to form an AgNP-PVA composite SA. The proposed experimental works generated single puls

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Kittikorn, Thorsak, Wantani Chaiwong, Emma Stromberg, Rosana M. Torro, Monika Ek, and Sigbritt Karlsson. "Enhancement of interfacial adhesion and engineering properties of polyvinyl alcohol/polylactic acid laminate films filled with modified microfibrillated cellulose." Journal of Plastic Film & Sheeting 36, no. 4 (2020): 368–90. http://dx.doi.org/10.1177/8756087920915745.

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This work was done to improve the interfacial adhesion and engineering performance of polyvinyl alcohol/polylactic acid laminate film by altering the polyvinyl alcohol phase surface properties via incorporating microfibrillated cellulose modified by propionylation. Incorporating the modified microfibrillated cellulose into polyvinyl alcohol film improved adhesion between film layers during the laminating process. Improved peel strength and tensile properties confirmed that modified microfibrillated cellulose can produce better bonding between polyvinyl alcohol and polylactic acid via mechanica

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Li, Zhao Qing, Zhen Li, Hong Zhao, Wei Zheng, and Li Li. "Preparation and Characterization of Sodium Alginate-Polyvinyl Alcohol Wound Dressing System Containing Ciprofloxacin Hydrochloride." Advanced Materials Research 749 (August 2013): 388–93. http://dx.doi.org/10.4028/www.scientific.net/amr.749.388.

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Sodium alginate (SA)/polyvinyl alcohol (PVA) matrix-based wound dressing system containing ciprofloxacin hydrochloride, a topical anti-infective drug, were obtained by a casting/solvent evaporation method. The FTIR spectrum indicated that a strong interaction between SA and PVA and a good compatibility between ciprofloxacin hydrochloride and SA/PVA. The surface contact angles showed that the SA/PVA membrane has good compatibility. The water absorption and water retention rate increased when the concentration of PVA increased. The swelling ratio of SA/PVA mixtures indicated that the membrane go

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Winberg, J. O., and J. S. McKinley-McKee. "Drosophila melanogaster alcohol dehydrogenase. Biochemical properties of the NAD+-plus-acetone-induced isoenzyme conversion." Biochemical Journal 251, no. 1 (1988): 223–27. http://dx.doi.org/10.1042/bj2510223.

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The NAD+ + acetone-induced isoenzyme conversion of the Drosophila melanogaster AdhS alleloenzyme was studied. Absorption and fluorescence spectra as well as electrophoretic and kinetic methods show that the conversion process proceeds through three steps. Initially a binary enzyme-NAD+ complex is formed, followed by a ternary enzyme-NAD+-acetone complex with a KEO, Ac of 1.7 M. The last step is a rate-limiting irreversible process in which NAD+ and acetone are covalently linked to the enzyme. A Vm of 2.4 min-1 was obtained at pH 8.6.

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Siboonruang, Tana, Colin Flynn Crago, Ashton M. Aleman, et al. "Material Dynamics of Nickel (oxy)Hydroxide As an Alcohol Oxidation Electrocatalyst." ECS Meeting Abstracts MA2024-01, no. 56 (2024): 2973. http://dx.doi.org/10.1149/ma2024-01562973mtgabs.

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Electrochemical alcohol oxidation is an attractive reaction for renewable-energy driven production of value-added chemicals, like precursors for acrylic (acrolein from glycerol) and nylon (adipic acid from cyclohexanol). Implementing selective, earth-abundant catalysts for alcohol oxidation can improve electrolyzer efficiency and economics. For example, replacing the energy intensive oxygen evolution reaction (OER) in CO2 electrolyzers with alcohol oxidation can decrease operating voltage by about 0.85 V and reduce electricity requirements up to 53% while also reducing carbon emissions from ch

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Tian, Xueying, Zhizhou Chen, Xiaomeng Lu, Jianlou Mu, Qianyun Ma, and Xiaoyuan Li. "Soy Protein/Polyvinyl-Alcohol (PVA)-Based Packaging Films Reinforced by Nano-TiO2." Polymers 15, no. 7 (2023): 1764. http://dx.doi.org/10.3390/polym15071764.

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This work was investigated to prepare a reinforcing composite packaging film composited of soy protein/polyvinyl alcohol (PVA) and nano-TiO2. First, different film compositions were designed by the particle size of nano-TiO2, concentration of nano-TiO2, concentration of polyvinylpyrrolidone (PVP, a dispersing agent for nano-TiO2), and pH of film casting solution. Then, the film composition that yielded the optimal physical properties was identified using orthogonal array design single-factor experiments, considering its physical properties, including tensile strength, elongation, water absorpt

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Alvarado-Rolon, O., R. Natividad, R. Romero, L. Hurtado, and A. Ramírez-Serrano. "Modelling and Simulation of the Radiant Field in an Annular Heterogeneous Photoreactor Using a Four-Flux Model." International Journal of Photoenergy 2018 (2018): 1–16. http://dx.doi.org/10.1155/2018/1678385.

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This work focuses on modeling and simulating the absorption and scattering of radiation in a photocatalytic annular reactor. To achieve so, a model based on four fluxes (FFM) of radiation in cylindrical coordinates to describe the radiant field is assessed. This model allows calculating the local volumetric rate energy absorption (LVREA) profiles when the reaction space of the reactors is not a thin film. The obtained results were compared to radiation experimental data from other authors and with the results obtained by discrete ordinate method (DOM) carried out with the Heat Transfer Module

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Delavari, Mohammad Mohsen, and Ion Stiharu. "Preparing and Characterizing Novel Biodegradable Starch/PVA-Based Films with Nano-Sized Zinc-Oxide Particles for Wound-Dressing Applications." Applied Sciences 12, no. 8 (2022): 4001. http://dx.doi.org/10.3390/app12084001.

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Given recent worldwide environmental concerns, biodegradability, antibacterial activity, and healing properties around the wound area are vital features that should be taken into consideration while preparing biomedical materials such as wound dressings. Some of the available wound dressings present some major disadvantages. For example, low water vapor transmission rate (WVTR), inadequate exudates absorption, and the complex and high environmental cost of the disposal/recycling processes represent such drawbacks. In this paper, starch/polyvinyl alcohol (PVA) material with inserted nano-sized

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Falah, Iip Izul, Mokhammad Fajar Pradipta, Alvan Luthfi Rinaldi, and Wega Trisunaryanti. "Synthesis 1,1-Dibutoxybutane from Single Reagent of n-Butanol Using Cr/Activated Carbon Catalyst." Indonesian Journal of Chemistry 20, no. 5 (2020): 1018. http://dx.doi.org/10.22146/ijc.44829.

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Synthesis of 1,1-dibutoxybutane from the single reagent of n-butanol using Cr/Activated Carbon (Cr/AC) as a catalyst has been done. The aims of this research were to evaluate the effect of temperature, amount of catalyst, and alcohol flow rate towards the yield of 1,1-dibutoxybutane. Activated carbon (AC) was prepared by activating coconut shell carbon at 650 °C in the atmosphere of H2 at a flow rate of 15 mL/min for 4 h, and then it was washed using acetone in a Soxhlet for 15 rounds, washed 3 times by 1.0 M HCl, and finally, it was sieved at 60–80 mesh. Metal content was analyzed using atomi

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Trilia Ananta Pramita Sari, Rewan Jayadi, Rika Agustin, Putri Ramanda, Nurhasana, and Eka Angasa. "USE OF SENGGANI LEAVES AS AN ALTERNATIVE MATERIAL FOR PRINTER REFILL INK THAT IS LOW VOC (VOLATILE ORGANIC COMPOUND) ENVIRONMENTALLY FRIENDLY." EduMatSains : Jurnal Pendidikan, Matematika dan Sains 8, no. 2 (2024): 189–95. http://dx.doi.org/10.33541/edumatsains.v8i2.5574.

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This study aims to determine the content of senggani leaves and utilize senggani leaves as a raw material for printer refill ink. This can increase the utilization of senggani leaves into products that are low in VOC levels. The method used in this study the first test is done, the ink absorption rate test on HVS paper is done by using a medium such as paper by comparing the length of the absorption path ∆x with a time interval t during the absorption process. The next test is the ink performance test using the volume of aqueous solvent and comparing the quality of the ink obtained. The ink co

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Young, Alexander Baldwin, Raymond Evans March, and Richard James Hughes. "Studies of infrared multiphoton dissociation rates of protonated aliphatic alcohol dimers." Canadian Journal of Chemistry 63, no. 8 (1985): 2324–31. http://dx.doi.org/10.1139/v85-384.

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The rates of photodissociation induced by absorption of infrared radiation of protonated dimers of 2-propanol and its deuterated analogues are reported. Protonated alcohol dimer ions created in a quadrupole ion store (QUISTOR) were irradiated in isolation and as a function of parent gas pressure and added collision gas (N2). The relative weights and nature of ionic photoproducts were determined by mass spectrometry. The effect upon photolysis of collisions both prior to and during irradiation were examined. Photodissociation rates were defined by σD, which is the measured photodissociation rat

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Hariyanti, H., E. Erizal, R. Z. Apriyani, D. P. Perkasa, I. Lestari, and H. Rahmi. "Synthesis of Polyvinyl Alcohol (PVA)-Gelatin Hydrogel from White Snapper (Lates calcarifer, Bloch) with Gamma Irradiation and Its Characterizations." Atom Indonesia 1, no. 2 (2023): 69–75. http://dx.doi.org/10.55981/aij.2023.1248.

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The application of nuclear technology in the health sector is increasing. One example is the use of irradiation in production of wound dressings. Research activities have been conducted to study whether polyvinyl alcohol (PVA)-gelatin-based hydrogel from white snapper scales can be processed using gamma irradiation into wound dressings. A series of PVA (10 %) solutions containing gelatin in various concentrations (0-4 %) were treated with three freeze-thaw cycles and then irradiated at doses of 10 and 20 kGy. They were subsequently characterized using Fourier transform infrared (FTIR) spectros

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Berdiev, U. F., I. Kh Khudaykulov, Sh Ch Iskandarov, A. J. Amirova, and Kh B. Ashurov. "Influence of SiO2 Nanoparticles on the Characteristics of a Polyvinyl Alcohol-Based Proton Exchange Composite Membrane." East European Journal of Physics, no. 1 (March 3, 2025): 265–71. https://doi.org/10.26565/2312-4334-2025-1-30.

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This paper presents a study of nanocomposite membranes based on cross-linked polyvinyl alcohol with silica nanoparticles, fabricated by solution casting, for application in vanadium redox batteries (VRFBs). The structure of the membranes was studied by Fourier transform infrared spectroscopy (FT-IR). It was found that the nanoparticles were successfully integrated into the matrix of the proton exchange membrane to improve its performance. The synthesis of silica nanoparticles by in situ sol-gel method in polymer solution showed better performance compared to the addition of prepared nanopartic

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Vandana, Kumar, Kumar Vinayak Anil, Venkatachalam Sanjay, and L. Muruganandam. "MOISTURE BARRIER BEHAVIOR OF POLYMER FILMS ON FOOD PACKAGING PLASTIC MATERIALS." International Journal For Technological Research In Engineering 9, no. 5 (2022): 6–12. https://doi.org/10.5281/zenodo.6348202.

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This paper deals with experimental studies on the effect of relative humidity and temperature on plastic films that are currently being used as primary and secondary packaging materials for food products at different environmental conditions. The analysis was done on four plastic films include ethylene vinyl alcohol EVOH, polypropylene and polyethylene bases. The water vapor transmission rates were determined at accelerated conditions of 80% relative humidity and at 40oC temperature as per the ASTM standard. The rate of moisture absorption increases linearly with time until a certain point, af

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Gupta, N. Vishal, D. V. Gowda, V. Balamuralidhara, and M. S. Khan. "Preparation and Comparative Bioavailability Studies of Indomethacin-Loaded Cetyl Alcohol Microspheres." Journal of Pharmaceutics 2013 (September 19, 2013): 1–9. http://dx.doi.org/10.1155/2013/109837.

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The purpose of the present study was to compare the in vitro release and to find out whether the bioavailability of a 75 mg indomethacin capsule (Microcid SR) was equivalent to optimized formulation (indomethacin-loaded cetyl alcohol microspheres). Indomethacin-loaded cetyl alcohol microspheres were prepared by meltable emulsified cooling-induced technique. Surface morphology of microspheres has been evaluated using scanning electron microscopy. A single dose, randomized, complete cross over study of IM microspheres was carried out on 10 healthy male and female Albino sheep’s under fasting con

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Khabbaz, Bahareh, Atefeh Solouk, and Hamid Mirzadeh. "Polyvinyl alcohol/soy protein isolate nanofibrous patch for wound-healing applications." Progress in Biomaterials 8, no. 3 (2019): 185–96. http://dx.doi.org/10.1007/s40204-019-00120-4.

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Abstract Soy protein isolate (SPI), due to its biocompatibility, biodegradability, abundance and being inexpensive, is a suitable polymer for medical applications. In this study, electrospun nanofibrous mats (ENMs) and casting films (CFs), comprising polyvinyl alcohol (PVA)/SPI, were prepared and compared. Both crosslinked ENMs and CFs physical, chemical, mechanical, and biological properties were investigated for wound-healing applications. Considering the importance of exudate absorption by wound dressing the uptake test of all samples was performed in simulated exudate solution. The amount

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Pereira, Mariette M., Francisco Ruano, M. Emília D. G. Azenha, et al. "Synthesis and photophysical properties of a covalently bonded palladiummeso-sulfophenylporphyrin-poly(vinyl alcohol)polymer with potential applications as an oxygen sensor." Journal of Porphyrins and Phthalocyanines 10, no. 02 (2006): 87–95. http://dx.doi.org/10.1142/s1088424606000119.

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The synthesis and photochemical characterization of a covalently bonded palladium meso-sulfophenylporphyrin-poly(vinyl alcohol)polymer ( PVA - PdTPPS ), made via reaction of the chlorosulfonyl derivative of Pd meso-tetrakis-phenylporphyrin with the alcohol group of the polymer to form the sulfonate ester, is described. Absorption, emission and phosphorescence lifetime data are reported. In both the solid film and in aqueous solution phosphorescence decays in the absence of oxygen are non-monoexponential and suggest heterogeneity in the decay and oxygen quenching kinetics. As a solid film there

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Duan, Linjuan, Chunxia Chen, Xuan Hou, and Bei Liu. "Application of cellulose nanofibrils in polyvinyl alcohol composite films." Functional Materials 32, no. 1 (2025): 97–107. https://doi.org/10.15407/fm32.01.97.

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Fenton cellulose nanofibrils (F-CNF) were prepared by Fenton oxidation with the followed homogenization and then F-CNF /PVA composite films with the F-CNF additives from 1% to 20% were prepared by solution casting method. Scanning electron microscopy (SEM), confocal laser scanning microscope (CLSM), Fourier transform infrared spectroscopy (FTIR), universal tensile testing machine, swelling property detection, thermogravimetric analysis and soil burial degradation rate test were used to characterize the microstructure, chemical structure, mechanical properties, hygroscopicity, thermal stability

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Behera, B. K., and J. P. Singh. "Factors Contributing to Absorbency Behaviour of Pile Fabrics." Research Journal of Textile and Apparel 18, no. 3 (2014): 81–93. http://dx.doi.org/10.1108/rjta-18-03-2014-b010.

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The objective of this research paper is to investigate the important factors that contribute to the absorbency characteristics of terry fabric in order to produce highly absorbent terry towels by using suitable raw materials and changing the fabric constructional parameters. Yarns produced from two varieties of cotton (100% J-34 and MCU-5) and their blends with bamboo and poly vinyl alcohol (PVA) with different counts, twist and number of plies are used to prepare terry fabric of varying loop densities, loop lengths and loop shape factors. The water absorption rate and the total amount of wate

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