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Academic literature on the topic 'Glues'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 July 2024

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Journal articles on the topic "Glues"

Mamoňová, Miroslava, Dávid Ciglian, and Ladislav Reinprecht. "SEM Analysis of Glued Joints of Thermally Modified Wood Bonded with PUR and PVAc Glues." Materials 15, no. 18 (September 16, 2022): 6440. http://dx.doi.org/10.3390/ma15186440.

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This study deals with the scanning electron microscopy (SEM) analyses of the phase interfaces in the glued joints between Norway spruce wood elements thermally modified at 160, 180, 200, and 220 °C/4 h and polyurethane (PUR) and polyvinyl acetate (PVAc) glues with the aim of evaluating various anatomical influences of wood on the quality of joints. Due to cracked regions created in the surface of spruce wood at severe thermal modifications, the penetration depth of glues doubled from 140 to 241 μm for PUR glue, and from 100 to 200 μm for PVAc glue. The thickness of glue lines in joints was apparently higher for PVAc glue, mainly in earlywood regions; however, in joints from thermally modified (TM) woods it increased more apparently for PUR glue from 16.6 to 44.4 μm, probably in connection with formation of micro-bubbles in its structure. The SEM analyses corresponded well with the previous knowledge about lower shear strength of glued joints formed from the more intensively TM spruce elements and mentioned types of glues.

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Laiveniece, Laura, and Andris Morozovs. "Impact of Water on Rheological Behavior of Polyurethane Glues." Rural Sustainability Research 35, no. 330 (June 1, 2016): 7–18. http://dx.doi.org/10.1515/plua-2016-0002.

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Abstract Gluing of wood with great moisture content has challenge of water interaction with glue to give unwanted changes in glue properties and formed bond-line. Rheological measurements of polyurethane glues are sufficiently effective method to understand the polymer curing process and viscoelastic properties. Gel formation point is important parameter for a glue from the point of its application. When glue reaches the gel formation point, its viscosity drastically increases so that it could not properly wet the wood and it can result in poor bonds. One-component moisture curing polyurethane glues require water molecules for the polyadditional reaction. When water is involved in the curing reaction, it reacts with the isocyanate groups of glue and can lead to the formation of excessive carbon dioxide and thus can lead to glue penetration out of bond-line, additional backpressure. The dynamic viscoelastic parameters such as complex dynamic viscosity (ή), phase angle (δ), elastic storage modulus (G”), the viscous loss modulus (G”) of two kinds of polyurethane glues depending on added water amount (from 0.9% to 10.0%) at a constant frequency and deformation (oscillation mode) were determined using rheometer. The aim of the present study was to investigate impact of added water on rheological behavior of polyurethane glues. At the end of this study it was concluded that tested glues indicated various behavior depending on chemical composition and added water content. Gel formation point is higher in case of GlueI. However, gel formation time was higher in case of GlueII and was not dependent on added water content. Gel formation time was faster for GlueII. Nevertheless, faster formed gel is stronger than longer formed gel of GlueI.

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Isaev, A. Yu, E. V. Rubtsova, E. V. Kotova, and M. N. Sutyagin. "RESEARCH OF PROPERTIES OF GLUES AND GLUE BINDING, MADE WITH USE OF MODERN DOMESTIC COMPONENT BASE." Proceedings of VIAM, no. 3 (2021): 58–67. http://dx.doi.org/10.18577/2307-6046-2021-0-3-58-67.

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Properties of epoxy glues of cold curing VK-9 and VKV-9, the components received with use which are let out by modern producers, depending on the filler used in their structure are considered. Tests of glued joints on VK-9 glue in wider interval of temperatures are carried out. Properties of VK-36 glue and its updating’s on the basis of components let out now are shown. Properties of glue binding brands VSK-14-1, VSK-14-2, VSK-14-4, VSK-14-4m and VSK-14-4k received, under production conditions by VIAM Federal State Unitary Enterprise are given. It is shown that on the properties they completely meet the requirements of existing normative documentation.

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Li, Yongjiang, Lei Xiao, Zian Wang, Kejie Chen, Chundong Xue, Miao Yu, Yu Wang, Fanyi Kong, Kun Liu, and Kairong Qin. "Raman Spectroscopic Characterization of Polymerization Kinetics of Cyanoacrylate Embolic Glues for Vascular Embolization." Polymers 13, no. 19 (September 30, 2021): 3362. http://dx.doi.org/10.3390/polym13193362.

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Endovascular glue embolization is a minimally invasive technique used to selectively reduce or block the blood supply to specific targeted vessels. Cyanoacrylate glues, mixed with radiopaque iodized oil, have been widely used for vascular embolization owing to their rapid polymerization rate, good penetration ability and low tissue toxicity. Nevertheless, in clinical practice, the selection of the glue–oil proportion and the manual injection process of mixtures are mostly based on empirical knowledge of operators, as the crucial physicochemical effect of polymerization kinetics has rarely been quantitatively investigated. In this study, the Raman spectroscopy is used for studying the polymerization kinetics of n-butyl-cyanoacrylate-based glues mixed with an iodized oil. To simulate the polymerization process during embolization, glue–oil mixtures upon contact with a protein ionic solution mimicking blood plasma are manually constructed and their polymerization kinetics are systematically characterized by Raman spectroscopy. The results demonstrate the feasibility of Raman spectroscopy in the characterization of polymerization kinetics of cyanoacrylate-based embolic glues. The polymerization process of cyanoacrylate-based mixtures consists of a fast polymerization phase followed by a slow phase. The propagation velocity and polymerization time primarily depend on the glue concentrations. The commonly used 50% mixture polymerizes 1 mm over ∼21.8 s, while it takes ∼51 min to extend to 5 mm. The results provide essential information for interventional radiologists to help them understand the polymerization kinetics of embolic glues and thus regulate the polymerization rate for effective embolization.

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Devaud, Yannick R., Senta Stäuble, Ueli Moehrlen, Miriam Weisskopf, Ladina Vonzun, Roland Zimmermann, Martin Ehrbar, and Nicole Ochsenbein-Kölble. "Minimally Invasive Precise Application of Bioadhesives to Prevent IPPROM on a Pregnant Sheep Model." Fetal Diagnosis and Therapy 48, no. 11-12 (2021): 785–93. http://dx.doi.org/10.1159/000519910.

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Introduction: Iatrogenic preterm premature rupture of the membrane remains the Achille’s heel of fetoscopy. The aim of this study was to show in vivo feasibility of fetal membrane (FM) defect sealing by the application of tissue glues with umbrella-shaped receptors. Methods: First, we adapted our previously described ex vivo strategy and evaluated the adhesion strength of different tissue glues, Histoacryl® and Glubran2®, by bonding polytetrafluoroethylene or silicone encapsulated nitinol glue receptor to human FM. Then, we exposed pregnant sheep uterus through a laparotomy and placed a 10-French trocar into the amniotic cavity through which the umbrella-shaped glue receptor (n = 9) was inserted and fixated onto the FM with the tissue glues (n = 8). The tightness of the sealed defects was assessed 4 h post-surgery. Results: Both tissue glues tested resulted in adhesion of the glue receptors to the FM ex vivo. In vivo, all glue receptors opened in the amniotic cavity (n = 9) and all successfully placed glue receptors sealed the FM defect (n = 8). Four hours post-surgery, 2 treatment sites showed minimal leakage whereas the negative control without glue (n = 1) showed substantial leakage. Discussion: This in vivo study confirms that fetoscopically induced FM defects can be sealed by the application of tissue adhesives.

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Zhang, Yujia, Jessica Bates, Benoit Gourdet, Louise Birch, Philip Addis, Roland Hjerpe, and Allan M. Jordan. "Abstract 3429: Beyond cereblon IMIDs - biophysics-based discovery of novel molecular glue chemotypes." Cancer Research 83, no. 7_Supplement (April 4, 2023): 3429. http://dx.doi.org/10.1158/1538-7445.am2023-3429.

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Abstract Molecular glue degraders are compact, low molecular weight molecules that can efficiently induce specific and potent degradation of a target protein. This class of degraders function by inducing interactions between a target of interest and a ubiquitin-ligase, either by stabilization of weak pre-existing interactions, or by generation of entirely novel interactions. These molecules offer significant opportunity beyond heterobifunctional degraders such as PROTACs, not least in terms of improved molecular properties. However, beyond the IMID molecular glues, typified by thalidomide, pomalidomide and lenalidomide, novel molecular glue chemotypes remain scarce. To address this need, we have developed biophysics-based molecular glue screening platform, exploiting our internal, high quality fragment library and proximity-based screening platforms to rapidly identify promising new molecular glues for further optimization. A potential advantage of utilizing cell-free biophysical systems is the opportunity to select both the target and the desired ligase, opening up for development of degraders that capitalize upon differential expression of ligases in different tissues. As proof of concept, we have applied this platform to find new molecular glues to degrade CK1α. This Ser/Thr kinase has been found to be over-expressed in metastatic colorectal cancer, and this over-expression correlates with poor overall survival. The kinase has also been implicated as an oncogenic driver in tumors such as B-Cell lymphomas and non-Hodgkin lymphomas, suggesting a potential therapeutic application for novel CK1α molecular glues. Utilizing known IMID-derived molecular glues between CK1α and CRBN as benchmark controls, we identified several non-IMID derived chemotypes as tentative stabilizers of the CRBN/CK1α interaction. Further studies on these novel candidate degrader templates are now underway. Citation Format: Yujia Zhang, Jessica Bates, Benoit Gourdet, Louise Birch, Philip Addis, Roland Hjerpe, Allan M. Jordan. Beyond cereblon IMIDs - biophysics-based discovery of novel molecular glue chemotypes [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2023; Part 1 (Regular and Invited Abstracts); 2023 Apr 14-19; Orlando, FL. Philadelphia (PA): AACR; Cancer Res 2023;83(7_Suppl):Abstract nr 3429.

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Rule, Kirrily C., Richard A. Mole, and Dehong Yu. "Which glue to choose? A neutron scattering study of various adhesive materials and their effect on background scattering." Journal of Applied Crystallography 51, no. 6 (November 22, 2018): 1766–72. http://dx.doi.org/10.1107/s1600576718014930.

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The background scattering from numerous frequently used sample adhesives has been investigated to determine the background contribution of these glues when used for inelastic neutron scattering measurements. Starting with a bare Cu sheet, different glues have been trialled, such as GE varnish, CYTOP solution, Teflon tape, Fomblin oil and two-component epoxy glue. Measurements were collected using the PELICAN cold-neutron time-of-flight spectrometer at ANSTO, which is capable of collecting data over a wide range of Q–ω space simultaneously. The results indicate that those glues containing hydrogen give much higher background signals, while those that do not contain hydrogen have a much smaller impact on the background signal. This was observed for both elastic and inelastic neutron scattering.

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Yildrim, Mehmet Nuri, Abdurrahman Karaman, and Mustafa Zor. "Bending Characteristics of Laminated Wood Composites Made of Poplar Wood and GFRP." Drvna industrija 72, no. 1 (February 11, 2021): 3–11. http://dx.doi.org/10.5552/drvind.2021.1913.

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In this study, 4 layers of 5 mm thick slats obtained by sawing method from poplar wood were used. Plain woven GRFP with low density and grammage of 100 g/m2 (Type 1) and plain woven GRFP with high density and grammage of 200 g/m2 (Type 2) were placed and glued between each layer. Polyvinyl acetate (PVAc-D4), Polyurethane (PU) and dual-component Epoxy (L285-resin and H285-hardener) adhesives were used for gluing the layers. Strength values (bending and modulus of elasticity) between the obtained layers were investigated. As a result of the study, it was determined that epoxy glue has higher strength than polyurethane and polyvinyl acetate glues; Type 2 plain woven fabric has higher strength than Type 1 plain woven fabric; and parallel load to the glue line results in higher performance than perpendicular load to the glue line.

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Argoud, R., and J. Muller. "Effect of stress from the glue on single-crystal X-ray intensities at high or low temperatures." Journal of Applied Crystallography 22, no. 4 (August 1, 1989): 378–80. http://dx.doi.org/10.1107/s0021889889004206.

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For high- or low-temperature single-crystal X-ray data collection, the glues used to bind crystals to silica rods may induce strong modifications of the intensities. When an yttrium iron garnet (YIG) crystal was cooled, reflections which were equivalent at room temperature became different. This is explained by strong stresses of the glue on the crystal which lead to an anisotropic modification of the secondary extinction. At low temperatures, `glues' such as beeswax or paraffin do not exert stresses.

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Mirzaei, Yalda, Kerstin Hagemeister, Martina Hüffel, Timo Schwandt, René H. Tolba, and Julia Steitz. "A Novel In Vitro Method to Assess the Microbial Barrier Function of Tissue Adhesives Using Bioluminescence Imaging Technique." BioMed Research International 2022 (January 10, 2022): 1–10. http://dx.doi.org/10.1155/2022/3483238.

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Background. Tissue glues can minimize treatment invasiveness, mitigate the risk of infection, and reduce surgery time; ergo, they have been developed and used in surgical procedures as wound closure devices beside sutures, staples, and metallic grafts. Regardless of their structure or function, tissue glues should show an acceptable microbial barrier function before being used in humans. This study proposes a novel in vitro method using Escherichia coli Lux and bioluminescence imaging technique to assess the microbial barrier function of tissue glues. Different volumes and concentrations of E. coli Lux were applied to precured or cured polyurethane-based tissue glue placed on agar plates. Plates were cultured for 1 h, 24 h, 48 h, and 72 h with bioluminescence signal measurement subsequently. Herein, protocol established a volume of 5 μL of a 1 : 100 dilution of E. coli Lux containing around 2 × 10 7 CFU/mL as optimal for testing polyurethane-based tissue glue. Measurement of OD600nm, determination of CFU/mL, and correlation with the bioluminescence measurement in p/s unit resulted in a good correlation between CFU/mL and p/s and demonstrated good reproducibility of our method. In addition, this in vitro method could show that the tested polyurethane-based tissue glue can provide a reasonable barrier against the microbial penetration and act as a bacterial barrier for up to 48 h with no penetration and up to 72 h with a low level of penetration through the material. Overall, we have established a novel, sensitive, and reproducible in vitro method using the bioluminescence imaging technique for testing the microbial barrier function of new tissue glues.

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Dissertations / Theses on the topic "Glues"

Mäs, Stephan, Christin Henzen, and Lars Bernard. "GLUES GDI – eine Austauschplattform für Forschungsdaten zum nachhaltigen Landmanagement." Rhombos-Verlag, 2016. https://slub.qucosa.de/id/qucosa%3A16733.

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Die Veröffentlichung wissenschaftlicher Daten als zusätzlicher Output neben den wissenschaftlichen Publikationen hat in den letzten Jahren immer mehr an Bedeutung gewonnen. Mittlerweile wird die Publikation der erstellten Daten sogar häufig als Bedingung an die Förderung wissenschaftlicher Projekte gestellt und die dafür benötigten Forschungsdateninfrastrukturen sind selbst Gegenstand der Forschung geworden (Kindling, Schirmbacher 2013; Bernard et al. 2013; Bill 2014). In der Fördermaßnahme „Nachhaltiges Landmanagement“ des Bundesministeriums für Bildung und Forschung (BMBF) wurde hierfür im Rahmen des Koordinationsprojektes GLUES (Global Assessment of Land Use Dynamics, Greenhouse Gas Emissions and Ecosystem Services) eine wissenschaftliche Geodateninfrastruktur (GDI) für den Austausch der wissenschaftlichen Daten aus Modellrechnungen und Simulationen aufgebaut. Im Beitrag werden die spezifischen Anforderungen einer solchen wissenschaftlichen GDI adressiert und entsprechende Lösungen gezeigt. Dies betrifft unter anderem die Inhalte der Metadaten für die Simulationsergebnisse und deren übersichtliche Repräsentation im Netz, die Beschreibung und Visualisierung der Entstehungsgeschichte von Modelldaten sowie webbasierte Recherche-, Analyse- und Visualisierungswerkzeuge.

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Hodgins, Gregory W. L. "Investigating methods of identifying pre-Renaissance artists' paints and glues." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310530.

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Weatherell, Carl J. (Carl John) Carleton University Dissertation Chemistry. "The size exclusion chromatography of animal glues in zinc electrolytes." Ottawa, 1994.

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Li, Yongjiang. "In vitro characterization of cyanoacrylate embolic glues used for vascular embolization." Thesis, Compiègne, 2017. http://www.theses.fr/2017COMP2351/document.

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L’embolisation vasculaire est un traitement peu invasif utilisé pour éliminer ou interrompre de façon sélective les apports vasculaires à des régions spécifiques du corps. Une technique consiste en l’introduction d’un microcathéter dans le vaisseau sanguin cible et à administrer un agent embolique qui réagit au contact du sang. Les colles emboliques à base de cyanoacrylate sont les principaux agents liquides utilisés pour l’embolisation à cause de leur faible viscosité, leur bonne capacité de pénétration et leur faible toxicité tissulaire. Pour permettre sa détection après injection, la colle est mélangée à un agent de contraste radio-opaque telle que l’huile iodée Lipiodol®. Bien que la technique soit couramment utilisée, il existe peu de données sur la dynamique du processus d’injection au sein de flux sanguins complexes ou sur la cinétique de polymérisation du mélange colle-Lipiodol. Par conséquent, une occlusion sans danger est difficile à réaliser, même entre les mains de radiologues expérimentés. Le principal objectif de la thèse est d’étudier de façon quantitative les propriétés physiques et la cinétique de polymérisation des colles cyanoacrylates mélangées au Lipiodol dans différentes proportions. Nous avons conçu un nouveau dispositif expérimental pour caractériser le processus de polymérisation d’un mélange colle/Lipiodol en contact avec une solution ionique ou protéinée. Les résultats montrent un processus de polymérisation rapide à l’interface entre la colle et le substrat, suivi par la proagation d’un front de polymérisation dans le volume de préparation de colle. Les constantes de temps des processus dépendent des compositions de la solution et du mélange de colle. Un autre objectif est d’analyser le processus d’embolisation dynamique. Un modèle in vitro du processus d’injection est utilisé pour étudier en premier lieu la formation de goutte entre deux flux immiscibles et qui ne réagissent pas entre eux. L’injection d’une préparation de colle dans une solution ionique en écoulement est ensuite réalisée pour montrer l’influence conjointe de la polymérisation et de l’hydrodynamique. C’est la première fois qu’une telle caractérisation exhaustive de colles emboliques à base de cyanoacrylate est obtenue. Les résultats peuvent apporter des informations cruciales aux radiologues interventionnels, ce qui les aidera à comprendre et contrôler le comportement de la colle après injection afin d’accomplir une oblitération permanente des vaisseaux en toute sécurité
Vascular embolization is a minimally invasive treatment used to selectively eliminate or stop the vascular supply to specific body areas. One technique consists of navigating a microcatheter into the targeted blood vessel and injecting an embolic agent which reacts in contact with blood. Cyanoacrylate-based embolic glues are the main liquid adhesives used for vascular embolization owing to their low viscosity, good penetration ability and low tissue toxicity. To enable its detection once injected, the glue is mixed with a radio-opaque contrast agent such as the Lipiodol iodized oil. Although the technique is commonly used, there is very little information on the dynamics of the injection process in complex blood flows or on the polymerization kinetics of the glue-Lipiodol mixture. Consequently, safe occlusion is difficult to achieve, even in the hands of experienced radiologists. The main objective of the thesis is to quantitatively investigate the physical properties and polymerization kinetics of cyanoacrylate glues mixed with Lipiodol in different proportions. We have designed a new experimental setup to characterize the polymerization process of a glue/Lipiodol mixture on contact with an ionic or proteinaceous solution. We find that there is a fast polymerization process at the interface between the glue and the substrate, followed by the propagation of a polymerization front in the glue mixture volume. The time constants of the processes depend on the solution and glue mixture compositions. Another objective is to analyze the dynamic embolization process. An in vitro model of the injection process is used to first investigate the drop formation between two non-reacting immiscible flows. The injection of a glue mixture into a flowing ionic solution is then performed to show the joint influence of polymerization and hydrodynamics. It is the first time that such comprehensive characterization of cyanoacrylate-based embolic glues is acquired. The results can provide crucial information to interventional radiologists, that will help them understand and control the glue behavior after injection to achieve a safe and permanent obliteration of the vessels

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Mandley, David John. "Laser activated tissue glues for use in laser assisted vascular anastomosis." Thesis, Loughborough University, 1995. https://dspace.lboro.ac.uk/2134/11867.

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Laser assisted vascular anastomosis has been reported to have potential advantages over sutured anastomosis, such as reduced operating time, reduced foreign body reactions and lower potential for vessel constriction. The anastomosis of graft material during coronary bypass surgery is one possible use of laser anastomosis. Although laser anastomosis has achieved some success, a major limitation of the approach has been the lack of knowledge regarding the optimal laser exposure necessary to produce a consistent weld. The first section of this thesis describes an investigation into the interaction of light within vascular tissue. Utilising the conventional kubelka-Munk treatment of reflectance and transmission measurements, values of the absorption and scattering coefficients were obtained. Additionally, spatially resolved reflection measurements, (typically used for determining the optical properties of highly scattering homogenious samples such as silica and aluminium oxide), were performed on sections of porcine aorta to determine absorption, scattering and anisotropy coefficients. The suitability of a series of chromophores to ·enhance the absorption of laser radiation at the site of anastomosis have been assessed from the aspect of spectral profile, temperature generating ability, and determination of the fluorescence quantum yield. The second section introduces the use of the Argon ion laser for tissue bonding. A range of in vitro experiments are detailed involving the repair of longitudinal arteriotomies and end-to-end anastomoses in porcine splenic arteries. These vessels have a similar wall thickness and diameter to human coronary arteries, furthermore, they have fewer side branches. An Argon laser was used with and without a range of chromophores and various protein additives. The use of a suitably absorbing chromophore and a reinforcing protein coagulant significantly increased the strength of blood vessel repair. Histological examination of the anastomotic sites, and the results of bursting pressure tests on end-toend anastomoses are detailed. The final section involved the development of chromophores whose absorption characteristics could be altered by irradiation . Steady state irradiation of various compositions of dye/reducing agent has allowed detennination of the quantum yields of photobleaching. Used in conjunction with a results of bursting pressure experiments, where the optimum irradiating conditions for successful bonding were detennined, a system has been created whereby over-irradiation of blood vessels during anastomosis can be eradicated. The assessment of this system is presented. Histological examination and bursting pressure tests performed on end-to-end anastomoses of porcine splenic arteries are detailed. Nanosecond laser flash photolysis studies have been used to investigate the process of dye photobleaching. These studies have shown that the process of photofading is somewhat complicated, however, a mechanism involving the triplet excited state of the Eosin Y dimer has been proposed.

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Haghighi, Zahra. "Molecular characterization of animal glues for the purpose of restoration treatments." Master's thesis, Universidade de Évora, 2019. http://hdl.handle.net/10174/27680.

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Abstract: Several thousand years ago, mankind perceived the gap and the need for an adhesive in order to make complicated objects consisting of two or more different or even same materials. Among all the materials that have been used throughout history, animal glue has been employed as an adhesive for several various tasks and still has kept its application. Animal glue has been used in book binding, painting binders, furniture manufacturing, to name but a few. Today, in cultural heritage field, it is being used as adhesive in restoration treatments. It is of great importance for conservators to be confident in their knowledge of the original materials they are using and introducing to the ‘matrix’ of cultural heritage objects in order to make proper decision in the process of restoration. Animal glues, however, are intrinsically challenging materials due to the fact that different animals’ collagen proteins exhibit different behaviors or performances due to their different origin or preparation processes. Accordingly, different animal glues are used for different tasks. Therefore, it is critical for conservators to know the composing materials of animal glues they employ. In this thesis, collagen proteins of several samples of animal glue which have been provided by restoration laboratories of both S. Orsola Benincasa, Naples, Italy and Museo del Prado, Madrid, Spain were identified by MALDI-TOF and LC-MS/MS coupled with Mascot bioinformatic tool with the goal of protein identification. Samples of S. Orsola Benincasa were analyzed by LC-MS/MS and Mascot in order to identify the specie(s) and tissue(s) they have been made of. Out of 8 samples, only one of them was made of what the label claimed to be. These results showed the importance of these experiments for the art conservation community as using known and standard materials forms a great part of their actions toward restoration of cultural heritage objects. Additionally, one of the samples, rabbit glue totten sixties, were chosen to demonstrate, in a preliminary manner, the capabilities of proteomics in the evaluation of degradation phenomenon. Samples of Museo del Prado were analyzed by MALDI-TOF in order to demonstrate differences between the amount of information one can gain from MALDITOF in comparison with LC-MS/MS. Finally, one of the samples of Museo del Prado was used to improve the sample preparation protocol, by examining the hypothesis of whether or not combining two protocols could yield higher sequence coverage and betterquality spectra. Results of the series of experiments showed that adding ZipTip clean-up step after StageTip protocol increases the number of peptides in respect to what can be obtained by using a single chromatographic step.

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Carter, David Gerald. "Insect egg glue : an investigation of the nature and secretion of insect egg glues, with special reference to the human louse, Pediculus humanus and the cabbage white butterfly, Pieris brassicae." Thesis, University of Cambridge, 1990. https://www.repository.cam.ac.uk/handle/1810/250982.

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The primary aim of the thesis was to investigate the nature and secretion of insect egg glues. Very little work has been done on this group of secretions, even though they are essential to the survival of a wide range of insect pest species. Knowledge of how they work could lead to the production of repellants or solvents which could be used as non-toxic means of control. Initial studies were performed on the cabbage white butterfly. Histological and histochemical techniques were employed to examine the structure and composition of the glue and glue glands. Separated glue was chemically analysed, and the amino acid composition of major protein components was determined. Butterflies were induced to lay eggs on a variety of surfaces, and the tensile strength of glue deposited in different chemical environments was investigated. The physical structure of the glue was examined. A treatment which destroyed the strength of butterfly glue was identified. Techniques perfected on the butterfly were then applied to the human clothing louse. A detailed examination of the louse reproductive system was carried out, using a combination of dissection, histology, and electron microscopy. The egg laying behaviour of head lice and clothing lice was compared with that reported in other species. The physical structure of the glue was investigated using polarised light and electron microscopy. The structure and formation of louse eggs was examined, including a study of the transmission of symbiotic organisms into developing oocytes. Development of embryos inside the body of the female was observed in some cases, and these were successfully cultured in vitro until they hatched. The respiratory openings of the louse egg were positively identified. The preference of lice for laying eggs on different fabrics was studied. An attempt was made to discourage lice from laying eggs on hair by coating it with Prolong. The possibility of using Prolong as a control method for developing eggs and active stages was assessed. Use of Prolong in combination with wetting agents was also investigated.

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Ševčík, Jan. "Lepené hybridní spoje v automobilovém průmyslu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-382110.

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This diploma thesis deals with bonded hybrid joints which are used for connecting parts of modern coachwork. Firstly, the thesis describes in general the process of production of the whole coachwork, from cutting of the blanks to the surface treatment including the analysis of the used materials. Subsequently, the problem of joining body parts through adhesives, but also by welding, soldering or other methods is discussed. Another part of this thesis is dedicated to an experiment in which the qualities of bonded hybrid joints were determined. Different ways of realizing the joint have been made which differed in the size of the glued surface, in the welding methods and in the process of their creation. The produced joints were tested for their strength and quality.

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Williams, Walter Ray. "Stress analysis of a glued timber beam." Master's thesis, Mississippi State : Mississippi State University, 2009. http://library.msstate.edu/etd/show.asp?etd=etd-04032009-085801.

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Sterley, Magdalena. "Characterisation of green-glued wood adhesive bonds." Doctoral thesis, Linnéuniversitetet, Institutionen för teknik, TEK, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-18606.

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The gluing of unseasoned wood, called green gluing, is a relatively new sawmill process, implying a radically changed order of material flow in the production of value-added wood-based products. It facilitates the enhancement of raw material recovery and value yield by integrating defect elimination and gluing already before kiln drying. The present study evaluates green glued adhesive bonds in flatwise glued beams and finger joints. The main part of this work deals with green gluing using a moisture curing polyurethane adhesive (PUR). Standardised test methods and specially designed, small scale, specimens were used for the determination of the strength, fracture energy and the ductility of both dry- and green glued bonds in tension and in shear. Using the small scale specimens it was possible to capture the complete stress versus deformation curves, including also their unloading part. An optical system for deformation measurement was used for the analysis of bond behaviour. The influence of moisture content during curing and temperature after curing on the adhesive chemical composition and on the mechanical properties was investigated. Furthermore, the moisture transport through the adhesive bond during curing was tested. Finally, microscopy studies were performed for analysis of bond morphology and fracture. The results show that two significant factors influence the shear strength of green glued bonds: wood density and adhesive spread rate. Bonds which fulfil the requirements according to EN 386 could be obtained within a wide range of process parameters. The small specimen tests showed that green glued PUR bonds can reach the same strength and fracture energy, both in shear and in tension, as dry glued bonds with the same adhesive amount. The local material properties of the bonds could be determined, thanks to the failure in the tests taking place within the adhesive bond itself and not in the wood. Following process factors were shown to cause lower bond strength: a) a low adhesive spread rate, b) high pressure and c) short pressing time in combination with low wood density and high moisture content. Moreover, the heat treatment of the cured PUR adhesive during drying influenced the chemical composition of the adhesive, providing for higher strength, stiffness and Tg of the adhesive, caused by an increased amount of highly ordered bidentate urea.

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Books on the topic "Glues"

Establishment, Building Research, ed. Choice glues for wood. Watford: Building Research Establishment, 1991.

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United States International Trade Commission. Office of Industries., ed. Adhesives, glues, and gelatin. Washington, DC: U.S. International Trade Commission, Office of Industries, 1998.

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Young, Tammy. The crafter's guide to glues. Radnor, Pa: Chilton Book Co., 1995.

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Markkanen, Pia. Shoes, glues, and homework: Dangerous work in the global footwear industry. Amityville, N.Y: Baywood Pub. Co., 2009.

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Markkanen, Pia. Shoes, glues, and homework: Dangerous work in the global footwear industry. Amityville, N.Y: Baywood Pub. Co., 2009.

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Markkanen, Pia. Shoes, glues, and homework: Dangerous work in the global footwear industry. Amityville, N.Y: Baywood Pub., 2009.

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Brady, R. J. A survey of animal glues and starch adhesives and their removal. (London: Camberwell School of Art & Crafts), 1986.

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Authority, Health Education. The score: Facts about drugs : plus info on gases, glues and aerosols. London: Health Education Authority, 1998.

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Authority, Health Education, ed. A parent's guide to drugs & Alcohol: Also contains information on gases, glues and aerosols. London: Health Education Authority, 1998.

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Marks, Diana F. The big book of glues, brews, and goos: 500+ kid-tested recipes and formulas for hands-on learning. Santa Barbara, California: Libraries Unlimited, An Imprint of ABC-CLIO, LLC, 2015.

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Book chapters on the topic "Glues"

Paul, Suchismita, and Peter C. Schalock. "Glues." In Quick Guide to Contact Dermatitis, 223–32. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-47714-4_20.

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Nussinovitch, A. "Glues." In Hydrocolloid Applications, 229–46. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-6385-3_14.

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Mehlhorn, Heinz. "VAR Glues." In Encyclopedia of Parasitology, 3007. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-43978-4_4365.

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Mehlhorn, Heinz. "VAR Glues." In Encyclopedia of Parasitology, 1. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-27769-6_4365-1.

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Lukács, Judit, Jana Präßler, Matthias Gebhardt, and Peter Elsner. "Adhesives and Glues." In Kanerva’s Occupational Dermatology, 1–14. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-40221-5_59-2.

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Gebhardt, M., and P. Elsner. "Adhesives and Glues." In Handbook of Occupational Dermatology, 644–49. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-662-07677-4_81.

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Präßler, Jana, Matthias Gebhardt, and Peter Elsner. "Adhesives and Glues." In Kanerva's Occupational Dermatology, 653–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-02035-3_59.

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Spoo, J., M. Gebhardt, and P. Elsner. "Adhesives and Glues." In Condensed Handbook of Occupational Dermatology, 419–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-642-18556-4_38.

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Lukács, Judit, Jana Präßler, Matthias Gebhardt, and Peter Elsner. "Adhesives and Glues." In Kanerva’s Occupational Dermatology, 891–900. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-68617-2_59.

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Schuckit, Marc A. "Glues, Solvents, and Aerosols." In Drug and Alcohol Abuse, 184–92. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-0767-0_10.

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Conference papers on the topic "Glues"

Udupa, Anirudh, Tatsuya Sugihara, and James B. Mann. "Glues Make Gummy Metals Easy to Cut." In ASME 2019 14th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/msec2019-2922.

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Abstract Metals such as Cu, Al, Ni, Ta and stainless steels, despite their softness and ductility, are considered difficult to machine. This is due to large cutting forces and corresponding formation of a very thick chip during cutting and hence these metals are referred to as “gummy”. Their poor machinability of these materials arises because of an unsteady and highly redundant mode of plastic deformation referred to as sinuous flow. The prevailing plastic deformation mode during machining can be overcome by the application of certain coatings and chemical media on the un-deformed free surface of the workpiece ahead of the cutting process. Using in-situ imaging and concurrent force measurements we present two different mechanochemical routes through which these media can improve machinability. The first route, which requires chemicals that adhere to the metal surface, such as glues and inks, improves cutting by inducing a change in the local plastic deformation mode — from sinuous flow to one characterized by periodic fracture or segmented flow. The second route, which requires chemicals that can react with the workpiece to form a low-friction layer, changes the sinuous flow mode to a smooth, laminar one. Both routes decrease cutting forces by more than 50% with order of magnitude improvement in surface texture as characterized by measured roughness and defect density. The results suggest a broad range of opportunities for improving performance of machining processes for many difficult-to-cut gummy metals.

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Bass, Lawrence S., Mehmet C. Oz, Joseph S. Auteri, Matthew R. Williams, Jeffrey Rosen, Steven K. Libutti, Alexander M. Eaton, John F. Lontz, Roman Nowygrod, and Michael R. Treat. "Laparoscopic applications of laser-activated tissue glues." In Optics, Electro-Optics, and Laser Applications in Science and Engineering, edited by Graham M. Watson, Rudolf W. Steiner, and Joseph J. Pietrafitta. SPIE, 1991. http://dx.doi.org/10.1117/12.43925.

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Xie, Dongji, Zhongming Wu, Joe Hai, and Manthos Economou. "Reliability Enhancement of Automotive Electronic Modules Using Various Glues." In 2018 IEEE 68th Electronic Components and Technology Conference (ECTC). IEEE, 2018. http://dx.doi.org/10.1109/ectc.2018.00034.

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Eaton, Alexander M., Lawrence S. Bass, Steven K. Libutti, Herman D. Schubert, and Michael R. Treat. "Sutureless cataract incision closure using laser-activated tissue glues." In Optics, Electro-Optics, and Laser Applications in Science and Engineering, edited by Carmen A. Puliafito. SPIE, 1991. http://dx.doi.org/10.1117/12.43961.

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Catelani, Marcantonio, Valeria L. Scarano, Roberto Singuaroli, Paolo Palchetti, and Francesco Bertocci. "Experimental Performance Analysis Of New Ag Conductive Glues For Electronic Applications." In 2008 IEEE Instrumentation and Measurement Technology Conference - I2MTC 2008. IEEE, 2008. http://dx.doi.org/10.1109/imtc.2008.4547044.

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Lu, J. Q., Y. Kwon, R. P. Kraft, R. J. Gutmann, J. F. McDonald, and T. S. Gale. "Stacked chip-to-chip interconnections using wafer bonding technology with dielectric bonding glues." In Proceedings of the IEEE 2001 International Interconnect Technology Conference. IEEE, 2001. http://dx.doi.org/10.1109/iitc.2001.930066.

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Rangel-Kuoppa, Victor-Tapio, Gang Chen, Jisoon Ihm, and Hyeonsik Cheong. "Distortion Of Temperature Dependent Hall Measurements Due To Thermal Properties Of Thermal Glues." In PHYSICS OF SEMICONDUCTORS: 30th International Conference on the Physics of Semiconductors. AIP, 2011. http://dx.doi.org/10.1063/1.3666745.

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Ntasi, Georgia, Brunella Cipolletta, Carmen Aprea, Laura Dello Ioio, Celia Duce, Emanuele Crisci, Emilia Bramanti, Alessandro Vergara, Ilaria Bonaduce, and Leila Birolo. "Proteomics and spectroscopic analyses for the molecular characterization of collagen-based animal glues." In 2023 IMEKO TC4 International Conference on Metrology for Archaeology and Cultural Heritage. Budapest: IMEKO, 2023. http://dx.doi.org/10.21014/10.21014/tc4-arc-2023.132.

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Paulsen, John Eirik, Bjornung Jensen, Johan Pettersen, and Torgrim Svensen. "A Management Technique that Integrates and Glues Cost and Environmental Performance Targets in E&P Drilling." In SPE/IADC Indian Drilling Technology Conference and Exhibition. Society of Petroleum Engineers, 2006. http://dx.doi.org/10.2118/102004-ms.

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Reports on the topic "Glues"

Horton, Scott T. NATO's Nuclear Glue. Fort Belvoir, VA: Defense Technical Information Center, March 2007. http://dx.doi.org/10.21236/ada469599.

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Migliori, Albert. Superconductivity, Glue, and the Pseudogap. Office of Scientific and Technical Information (OSTI), February 2014. http://dx.doi.org/10.2172/1120712.

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Bell, D. Summary of Glue Tests 1993. Office of Scientific and Technical Information (OSTI), January 1993. http://dx.doi.org/10.2172/1031777.

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Tolstukhin, Ivan. Gamma quantum detectors in the GlueX experiment. Office of Scientific and Technical Information (OSTI), January 2016. http://dx.doi.org/10.2172/1462018.

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Andrews, M., S. Huque, P. Wouters, and D. Wessels. DNS Glue Requirements in Referral Responses. RFC Editor, September 2023. http://dx.doi.org/10.17487/rfc9471.

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B. R. Marshall. Glue Film Thickness Measurements by Spectral Reflectance. Office of Scientific and Technical Information (OSTI), September 2010. http://dx.doi.org/10.2172/991875.

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Nicholls, David, Matthew Bumgardner, and Valerie Barber. Edge-glued panels from Alaska hardwoods: retail manager perspectives. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2010. http://dx.doi.org/10.2737/pnw-gtr-809.

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Dooley, Michael, David Folkerts-Landau, and Peter Garber. Savings Gluts and Interest Rates: The Missing Link to Europe. Cambridge, MA: National Bureau of Economic Research, August 2005. http://dx.doi.org/10.3386/w11520.

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Hamdi, Abdennacer. Exotic Meson Photoproduction at GlueX – Search for the hybrid candidate Y. Office of Scientific and Technical Information (OSTI), November 2020. http://dx.doi.org/10.2172/1768393.

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Nicholls, David. Alaska birch for edge-glued panel production—considerations for wood products manufacturers. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 2010. http://dx.doi.org/10.2737/pnw-gtr-820.

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Academic literature on the topic 'Glues'

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Journal articles on the topic "Glues"

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Books on the topic "Glues"

Book chapters on the topic "Glues"

Conference papers on the topic "Glues"

Reports on the topic "Glues"