Academic literature on the topic 'Molecular weight'

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Journal articles on the topic "Molecular weight"

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Omer, Ahmed, Tamer Tamer, and Mohamed Mohyeldin. "High-Molecular Weight of Biopolymer." Vestnik Volgogradskogo gosudarstvennogo universiteta. Serija 10. Innovatcionnaia deiatel’nost’, no. 3 (October 20, 2014): 56–70. http://dx.doi.org/10.15688/jvolsu10.2014.3.7.

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Balko, O. B. "Low Molecular Weight Pseudomonas aeruginosa Bacteriocins." Mikrobiolohichnyi Zhurnal 81, no. 6 (2019): 97–109. http://dx.doi.org/10.15407/microbiolj81.06.097.

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Shu Xian Tiew and Misni Misran, Shu Xian Tiew and Misni Misran. "Thermal Properties of Acylated Low Molecular Weight Chitosans." Journal of the chemical society of pakistan 41, no. 2 (2019): 207. http://dx.doi.org/10.52568/000733/jcsp/41.02.2019.

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Acylated low molecular weight chitosans (LChA) were prepared from nucleophilic acylation of chitosan using acid anhydrides of short and medium chain length (4 - 10) to study the response of applied heat as a function of acyl chain length. Thermogravimetric analysis (TGA) revealed the decomposition of LChA consisted of glucosamine and acyl-glucosamine units around 141 - 151and#176;C to 400 - 410and#176;C. Both TGA and differential scanning calorimetry (DSC) analyses indicated that the introduction of acyl groups disrupted the hydrogen bonding of chitosan, the effect was more prominent as the de
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Semba, Umeko, Yoko Shibuya, Hiroaki Okabe, Izumi Hayashi, and Tetsuro Yamamoto. "Whale High-Molecular-Weight and Low-Molecular-Weight Kininogens." Thrombosis Research 97, no. 6 (2000): 481–90. http://dx.doi.org/10.1016/s0049-3848(99)00199-1.

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Masubuchi, Yuichi, Yuya Doi, and Takashi Uneyama. "Entanglement Molecular Weight." Nihon Reoroji Gakkaishi 48, no. 4 (2020): 177–83. http://dx.doi.org/10.1678/rheology.48.177.

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Mulloy, B., C. Gee, S. F. Wheeler, R. Wait, E. Gray, and T. W. Barrowcliffe. "Molecular Weight Measurements of Low Molecular Weight Heparins by Gel Permeation Chromatography." Thrombosis and Haemostasis 77, no. 04 (1997): 668–74. http://dx.doi.org/10.1055/s-0038-1656031.

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SummaryThe molecular weight profiles of low molecular weight heparin samples have been measured by high-performance gel permeation chromatography using as calibrant the heparinase-degraded material (90/686) now established as the 1st International Reference Preparation (IRP) Low Molecular Weight Heparin for Molecular Weight Calibration. Use of the calibrant as a broad molecular weight standard is described and a calibration table provided based on data collected over several years in one laboratory.In order to confirm the assignment of degree of polymerisation to resolved oligosaccharide peaks
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Lovpchae, Zarema N. "Average Plasma Molecular Weight State in Viral Maxillary Sinusitis." Journal of Advanced Research in Dynamical and Control Systems 12, SP7 (2020): 127–32. http://dx.doi.org/10.5373/jardcs/v12sp7/20202090.

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Paul, Pushpinder. "Molecular Weight Determination of Glutaminase Enzyme Produced from Erwinia." International Journal of Scientific Research 2, no. 4 (2012): 44–45. http://dx.doi.org/10.15373/22778179/apr2013/114.

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Buckley, W. T., and K. E. Buckley. "Low-molecular-weight volatile indicators of canola seed deterioration." Seed Science and Technology 37, no. 3 (2009): 676–90. http://dx.doi.org/10.15258/sst.2009.37.3.15.

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Lapierre, Catherine. "Investigations of low molecular weight and high molecular weight lignin fractions." Nordic Pulp & Paper Research Journal 14, no. 2 (1999): 158–62. http://dx.doi.org/10.3183/npprj-1999-14-02-p158-162.

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Dissertations / Theses on the topic "Molecular weight"

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Wright, Patricia Ann. "Understanding MS/MS fragmentation pathways of small molecular weight molecules." Thesis, University of Greenwich, 2015. http://gala.gre.ac.uk/18134/.

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Fragmentation of molecules by collision-induced dissociation (CID) is not well-understood, making interpretation of MS/MS spectra difficult and limiting the effectiveness of software tools intended to aid mass spectral interpretation. An approach is required which is tailored to each individual molecule and improves the ‘chemical sense’ of the software. It was hypothesised that the bonds which break during CID of protonated molecules are the bonds which are elongated, and hence weakened, as a result of conformational changes induced by protonation. Bond length changes for a test set of molecul
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Nightingale, Philip D. "Low molecular weight halocarbons in seawater." Thesis, University of East Anglia, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280971.

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Waters, Benjamin Ragan. "Molecular weight modulation in polyhydroxybutyrate fermentations." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/38974.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, June 2007.<br>Includes bibliographical references.<br>Polyhydroxybutyrate (PHB) is a material with significant potential for commercial applications. It has material properties similar to isotactic polypropylene; it can be produced from renewable resources; it is biodegradable. Unfortunately, it is very brittle when compared to polypropylene. The physical property that most significantly affects elastic behavior is molecular weight. In an effort to understand how molecular weight is formed in PHB production,
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Li, Melissa. "A microscale molecular weight analysis method for characterizing polymers solutions of unknown concentrations." Thesis, Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/31673.

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Thesis (M. S.)--Biomedical Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Hang Lu; Committee Co-Chair: Rachel Chen; Committee Member: Johnna Temenoff; Committee Member: Yonathan Thio. Part of the SMARTech Electronic Thesis and Dissertation Collection.
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Aktaş, Ece. "Low-Molecular Weight Molecules as Selective Contacts for Perovskite Solar Cells." Doctoral thesis, Universitat Rovira i Virgili, 2021. http://hdl.handle.net/10803/672777.

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La tecnologia fotovoltaica és una de les fonts d'energia neta i renovable més prometedores per reduir l'impacte ambiental dels combustibles fòssils en les últimes dècades. en aquest context, les perovskites són un material que ha atret recentment una atenció important a causa de la seva capacitat per aconseguir eficiències de conversió molt elevades. Les capes de càrrega selectiva juguen un paper crucial en el ràpid augment del rendiment del dispositiu i en l'estabilitat de les cel·les solars de perovskita. Recentment, l'aplicació de mono-capes auto-assemblades formades per molècules orgànique
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Adebekun, Aderinola Kolawole. "On-line control of molecular weight distribution." Thesis, Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/12039.

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Hui, Yu 1977. "Heterjunctions of small molecular weight organic semiconductors." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=81540.

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Photodiodes made of small molecular weight organic semiconductors have been fabricated. The organic materials under investigation are p-type Copper phthalocyanine (CuPc) and n-type 3,4,9,10-perylenetetracarboxylic bisbenzimidazole (PTCBI). Current-voltage and capacitance-voltage measurements have been performed to evaluate the electrical properties of the organic photodiodes. Optical measurements including responsivity and temporal response have also been carried out. It has been found that device efficiency of the photodiodes is influenced by the thickness of organic layers as well as
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Hoogland, J. S. "Properties of low molecular weight food surfactants." Thesis, University of Bristol, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333908.

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Amer, Ismael. "Molecular weight effects on crystallization of polypropylene." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6649.

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Thesis (PhD)--University of Stellenbosch, 2011.<br>ENGLISH ABSTRACT: The crystallization of polyolefins is an important parameter in determining the properties of such materials. The crystallization phenomenon generally depends on the molecular symmetry (tacticity) and molecular weight of the material. In this study, a series of polypropylenes was prepared using heterogeneous MgCl2-supported Ziegler catalysts with two different external donors, diphenyldimethoxysilane (DPDMS) and methyl-phenyldimethoxysilane (MPDMS), and two different homogeneous metallocene catalysts, racethylene- bis(i
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Forde, Janice. "The molecular biology of the high molecular weight glutenin subunits of wheat." Thesis, Rothamsted Research, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.352836.

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Books on the topic "Molecular weight"

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Barrowcliffe, Trevor W. Low molecular weight heparin. Wiley, 1992.

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R, Cooper Anthony, ed. Determination of molecular weight. J. Wiley, 1989.

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Kampen, Thorsten U. Low Molecular Weight Organic Semiconductors. Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527629978.

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Bäckvall, Helena, and Janne Lehtiö, eds. The Low Molecular Weight Proteome. Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4614-7209-4.

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Nightingale, Philip D. Low molecular weight halocarbons in seawater. University of East Anglia, 1991.

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Hyers, Thomas M. Treatment handbook of low-molecular-weight heparin. Science Press, 2000.

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Christian, Doutremepuich, ed. Low molecular weight heparins in clinical practice. Dekker, 1992.

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Center, Langley Research, ed. Effect of molecular weight on polyphenylquinoxaline properties. National Aeronautics and Space Administration, Langley Research Center, 1991.

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Zhu, Yibo. Two-dimensional material-based nanosensors for detection of low-molecular-weight molecules. [publisher not identified], 2018.

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Haug, G., and H. Hoffmann, eds. Pyrethroid Residues, Immunoassays for Low Molecular Weight Compounds. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-74846-2.

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Book chapters on the topic "Molecular weight"

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Cernicharo, Jose. "Molecular Weight." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_1020.

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Quintanilla, José Cernicharo. "Molecular Weight." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_1020.

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Gooch, Jan W. "Molecular Weight." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_7647.

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Quintanilla, José Cernicharo. "Molecular Weight." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2023. http://dx.doi.org/10.1007/978-3-662-65093-6_1020.

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Quintanilla, José Cernicharo. "Molecular Weight." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/978-3-642-27833-4_1020-4.

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Mishra, Munmaya, and Biao Duan. "Molecular Weight." In The Essential Handbook of Polymer Terms and Attributes. CRC Press, 2024. http://dx.doi.org/10.1201/9781003161318-109.

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Crompton, T. R. "Molecular Weight." In Practical Polymer Analysis. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2874-6_8.

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Quintanilla, José Cernicharo. "Molecular Weight." In Encyclopedia of Astrobiology. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-27833-4_1020-3.

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Gooch, Jan W. "Weight-Average Molecular Weight." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12767.

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Gooch, Jan W. "Weight-Average Molecular Weight." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12768.

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Conference papers on the topic "Molecular weight"

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Hegazy, Amir, Amanda Berryman, Christian Francisco, and Gregory Denbeaux. "Understanding molecular weight effects in polymer photoresists and how variations in molecular weight can affect dissolution rates." In International Conference on Extreme Ultraviolet Lithography 2024, edited by Joern-Holger Franke, Kurt G. Ronse, Paolo A. Gargini, Patrick P. Naulleau, and Toshiro Itani. SPIE, 2024. http://dx.doi.org/10.1117/12.3035361.

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Ross, Robert J., Kim C. Low, and James E. Shannon. "Polyaspartate Scale Inhibitors - Biodegradable Alternatives to Polyacrylates." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96162.

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Abstract Polyaspartates are highly biodegradable alternatives to polyacrylate based scale inhibitors. This paper presents laboratory testing data on polyaspartate inhibitors of calcium and barium mineral scales. The optimum molecular weight for polyaspartate inhibitors of calcium carbonate, calcium sulfate and barium sulfate mineral scales was determined to be between 1000 and 4000 Mw (weight average molecular weight as calculated by Size Exclusion Chromatography). For inhibition of calcium carbonate and barium sulfate, polyaspartates in the range of 3000-4000 Mw were most effective. For calci
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Graham, G. M., and K. S. Sorbie. "The Effect of Molecular Weight on the Adsorption/Desorption Characteristics of Polymeric Scale Inhibitors on Silica Sand and in Sandstone Cores." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94050.

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Abstract A number of polymeric scale inhibitors are currently used for downhole application in oilfield "squeeze" treatments. These materials must perform the dual role of inhibiting scale formation at low concentration levels whilst giving acceptably long return curves at the wellbore. Both of these design aspects of polymeric scale inhibitors relate to their adsorption characteristics (either on the growing scale crystal or onto the rock substrate) which, in turn, are functions of the molecular weight of the species. In this paper, we examine the effects of inhibitor molecular weight on its
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Thilakarathna, Eshan Dilina, Gregory Denbeaux, Sakiko Enomoto, Masataka Nojima, and Toshikage Asakura. "Effects of polymer molecular weight and monomer concentration variations on resist stochastics and molecular segregation." In Advances in Patterning Materials and Processes XLII, edited by Ryan Callahan and Anuja De Silva. SPIE, 2025. https://doi.org/10.1117/12.3050856.

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Zampini, Anthony, Pamela Turci, George J. Cernigliaro, et al. "High-resolution positive photoresists: novolac molecular weight and molecular weight distribution effects." In Microlithography '90, 4-9 Mar, San Jose, edited by Michael P. C. Watts. SPIE, 1990. http://dx.doi.org/10.1117/12.20105.

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Hamblin, Mark J., Yee Chan-Li, Samuel L. Collins, Robert W. Hallowell, and Maureen R. Horton. "Low Molecular Weight Statin Derivatives Inhibit Low Molecular Weight Hyaluronan Induced Inflammatory Signals." In American Thoracic Society 2011 International Conference, May 13-18, 2011 • Denver Colorado. American Thoracic Society, 2011. http://dx.doi.org/10.1164/ajrccm-conference.2011.183.1_meetingabstracts.a2855.

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Wei, Fang, Erick Acosta, Kiran Gawas, and Pushkala Krishnamurthy. "Targeting High Molecular Weight Wax." In SPE International Symposium on Oilfield Chemistry. Society of Petroleum Engineers, 2015. http://dx.doi.org/10.2118/173775-ms.

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Davied, S., Y. F. Nicolau, F. Melis, and A. Revillon. "Molecular weight determinaiton of polyaniline." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.835410.

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Kabanemi, Kalonji K., Jean-Franc¸ois He´tu, and Samira H. Sammoun. "Experimental Study on Flow-Front Fingering Instabilities in Injection Molding of Polymer Solutions and Melts." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59078.

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An experimental investigation of the flow behavior of dilute, semi-dilute and concentrated polymer solutions has been carried out to gain a better understanding of the underlying mechanisms leading to the occurrence of instabilities at the advancing flow front during the filling of a mold cavity. Experiments were performed using various mass concentrations of low and high molecular weight polyacrylamide polymers in corn syrup and water. This paper reports a new type of elastic fingering instabilities at the advancing flow front that has been observed only in semi-dilute polymer solutions of hi
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Xianhong Wang, Lixiang Wang, Xiabin Jing, and Fosong Wang. "Molecular weight and properties of polyaniline." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.835362.

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Reports on the topic "Molecular weight"

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Guttman, Charles M., John R. Maurey, and Peter H. Verdier. Determination of the weight average molecular weight of SRM 1480. National Institute of Standards and Technology, 1992. http://dx.doi.org/10.6028/nist.ir.4837.

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Roberts, Christine Cardinal, Alan Graham, Martin Nemer, et al. Physical Properties of Low-Molecular Weight Polydimethylsiloxane Fluids. Office of Scientific and Technical Information (OSTI), 2017. http://dx.doi.org/10.2172/1343365.

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Long, Treva, and Ferdinand Rodriguez. Dissolution of Poly(p-hydroxystyrene): Molecular Weight Effects. Defense Technical Information Center, 1991. http://dx.doi.org/10.21236/ada232155.

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DeSimone, Joseph, and Douglas Kiserow. Synthesis of High Molecular Weight Polycarbonates Using Supercritical CO2. Defense Technical Information Center, 2001. http://dx.doi.org/10.21236/ada392832.

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Ternan, M., P. Rahimi, D. Liu, and D. M. Clugston. Coprocessing: elemental and molecular weight distributions in unconverted vacuum residues. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1994. http://dx.doi.org/10.4095/304596.

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Kelly, Daniel, and April Dawn Longhair. XPS and IR Characterization of Ultra-High Molecular Weight Polyethylene. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1179842.

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Wick, Charles H., and Patrick E. McCubbin. Filtration Characteristics of MS2 Bacteriophage Using Various Molecular Weight Filters. Defense Technical Information Center, 1999. http://dx.doi.org/10.21236/ada368535.

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Fang, Hsu-Wei, Stephen M. Hsu, and Jan V. Sengers. Ultra-high molecular weight polyethylene wear particle effects on bioactivity. National Institute of Standards and Technology, 2003. http://dx.doi.org/10.6028/nist.sp.1002.

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Zhang, Timothy G., Sikhanda S. Satapathy, Lionel R. Vargas-Gonzalez, and Shawn M. Walsh. Modeling Ballistic Response of Ultra-High-Molecular-Weight Polyethylene (UHMWPE). Defense Technical Information Center, 2016. http://dx.doi.org/10.21236/ad1012075.

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Gao, H. Crosslinked, flexible, low-molecular-weight polyacrylamide gels for mobility control. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/5405561.

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