Relevant bibliographies by topics / Ureids

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Ureids'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Ureids"

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Stepanova, S. I., V. V. Boynik, T. M. Gontova, and S. A. Kozyra. "Determination of ureid content in shoots of russian pea shrub and siberian pea tree." Farmatsevtychnyi zhurnal, no. 2 (May 7, 2020): 59–66. http://dx.doi.org/10.32352/0367-3057.2.20.06.

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Among natural ureides, allantoin (5-ureidohydantoin or 2,5-dioxoimidazolidin-4-yl urea) is the most famous compound which have been found in various organisms: bacteria, plants, and animals. Allantoin is a product of purine catabolism in mammals (except for primates and humans) and insect larvae. It is found in many plants: comfrey (Symphytum officinale L.), soybean (Glycine hispida (Moench) Maxim), alfalfa (Medicago sativa L.), purslane (Portulaca oleracea L.).
 Allantoin has a reparative, antimicrobial, and anti-inflammatory effect, that substantiate it use in the composition of numerou
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Mora, Floribeth. "Selección de cepas nativas de Rhizobium leguminosarum bv phaseoli eficientes en fijación biológica de nitrógeno en suelos de Costa Rica." Agronomía Mesoamericana 6 (June 2, 2016): 68. http://dx.doi.org/10.15517/am.v6i0.24808.

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One hundred and thirty one strains of R. leguminosarum bv phaseoli were isolated from different bean producing zones in Costa Rica. The response of its inoculation to the Huasteco Negro (Phaseolus vulgaris L.) bean variety was evaluated under green house conditions. Pots and heat treated soil were used. The seeds inoculation was conducted using a bacterial suspension of 10° ucf/ml, approximately. Besides, anabsolute control (without inoculation, without nitrogen) and a control with nitrogen (+ 140 kg N/ha) were included. The dry weight of the nodules, dry weight of the aerial part and the urei
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PHOLO-TAIT, Motlalepula, Thuto KGETSE, Gaone Nthabeleng TSHEKO, et al. "Genotypic variation in response to drought stress is associated with biochemical and transcriptional regulation of ureides metabolism in common bean (Phaseolus vulgaris L.)." Acta agriculturae Slovenica 118, no. 2 (2022): 1. http://dx.doi.org/10.14720/aas.2022.118.2.2541.

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<p class="042abstractstekst">Ureidic legumes such as common bean (<em>Phaseoulus valgaris</em> L.) plants export nitrogen from the nodules to shoots and leaves as ureides during symbiotic biological nitrogen fixation. Common bean gene encoding allantoinase (allantoin amidohydrolase, EC 3.5.2.5), is a key enzyme that catalyses the hydrolysis of allantoin to allantoic acid. It plays a role in ureide generation for export and ureide catabolism to generate a nitrogen source in sinks tissues. As such, one of the adaptive mechanisms of plants to drought stress, is associated with u
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Thavarajah, Dil, and Rosalind A. Ball. "Drought-induced changes in free amino acid and ureide concentrations of nitrogen-fixing chickpea." Canadian Journal of Plant Science 86, no. 1 (2006): 149–56. http://dx.doi.org/10.4141/p05-054.

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The metabolic products of nitrogen (N) fixation in a legume can be amides or ureides. Chickpea (Cicer arientinum L.) is a cool-season legume which transports both ureides and amides from N fixation. Ureides are purine derivatives which are synthesized solely in the nodules. Drought-sensitive legumes accumulate ureides, but the regulation of these N fixation products during drought in chickpea is not yet known. The objectives of this study were (1) to measure the metabolic products of N fixation during drought and (2) to quantify the differences in N fixation among chickpea cultivars during dro
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Thu, Sandi Win, Ming-Zhu Lu, Amanda M. Carter, et al. "Role of ureides in source-to-sink transport of photoassimilates in non-fixing soybean." Journal of Experimental Botany 71, no. 15 (2020): 4495–511. http://dx.doi.org/10.1093/jxb/eraa146.

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Abstract Nitrogen (N)-fixing soybean plants use the ureides allantoin and allantoic acid as major long-distance transport forms of N, but in non-fixing, non-nodulated plants amino acids mainly serve in source-to-sink N allocation. However, some ureides are still synthesized in roots of non-fixing soybean, and our study addresses the role of ureide transport processes in those plants. In previous work, legume ureide permeases (UPSs) were identified that are involved in cellular import of allantoin and allantoic acid. Here, UPS1 from common bean was expressed in the soybean phloem, which resulte
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Glenister, Richard A., and Thomas A. LaRue. "A Spot Test for Estimating Ureides in Soyabean Petioles." Experimental Agriculture 22, no. 4 (1986): 405–16. http://dx.doi.org/10.1017/s0014479700014654.

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SUMMARYThe ureides allantoic acid and allantoin form a bright pink compound with acidic p-dimethylamino cinnamaldehyde. It is possible to estimate the ureide content of a soyabean petiole segment by crushing it on filter paper and developing the colour with this reagent. There is a strong correlation between the spot test and estimates from colorimetric determination of ureides. In field grown soyabeans, there was a positive correlation between the petiole ureide content during pod fill and the integrated seasonal acetylene reduction activity. The spot test can be used to identify plants with
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Diatloff, A., RJ Redden, and DF Herridge. "Correlation between xylem ureide levels and nodulation in field-grown Phaseolus vulgaris." Australian Journal of Experimental Agriculture 31, no. 5 (1991): 679. http://dx.doi.org/10.1071/ea9910679.

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The relationships between the relative abundance of ureide-N in xylem sap and nodulation characteristics of navy beans (Phaseolus vulgaris) were examined in a sandy field site that enabled good nodule recovery. Three management treatments of N fertiliser, inoculation and no inoculation were used in the irrigated trial. Five cultivars were sown, and they were sampled 48 and 83 days later. Plant roots were scored visually for nodule size, colour, abundance and mass. Xylem sap was extracted from shoots under mild vacuum and assayed for ureide, nitrate and amino-N contents. Main treatment effects
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J, PRABAKARAN, and RANGARAJAN M. "INFLUENCE OF RHIZOBIAL INOCULATION AND MICRONUTRIENTS APPLICATION ON THE PRODUCTION OF NITROGEN TRANSPORTING COMPOUNDS IN GREENGRAM (Vigna radiata L. WILCZEK)." Madras Agricultural Journal 76, October (1989): 545–52. http://dx.doi.org/10.29321/maj.10.a02063.

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Seed inoculation with rhizobial strains have significantly enhanced the production and accumulation of nitrogen transporting compounds (Ureides) over untreated control in CO 5 greengram. Among the plant parts, maximum ureide production was observed at nodules and was effectively translocated to flowers and pods through root, stem and leaves. Among the strains inoculated better effect was recorded by GG 2 followed by the other tuo strains. Maximum translocation and accumulation of ureides were recorded in leaves, stem, root and flowers at 45 DAS, whereas in pods it was found to accumulate at 60
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Ohyama, Takuji, Kahori Matsumoto, Haruka Goto, Akihiro Saito, and Kyoko Higuchi. "Nitrogen Metabolism in Non-Nodulated and Nodulated Soybean Plants Related to Ureide Synthesis." Nitrogen 4, no. 2 (2023): 209–22. http://dx.doi.org/10.3390/nitrogen4020014.

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Soybean plants can fix atmospheric N2 in the root nodule, a symbiotic organ with rhizobia. The primary forms of N transported from N2 fixation are ureides, allantoate, and allantoin, supplemented with asparagine. The nitrate absorbed in the roots is transported to the shoots in the forms of NO3− and asparagine with a little portion of ureides. The concentrations of N-metabolites were analyzed by capillary electrophoresis after supplying various concentrations of urea, precursors of ureides, and allopurinol, an inhibitor of xanthine dehydrogenase, to investigate the ureide synthesis pathway in
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Bai, Cheng, Charles C. Reilly, and Bruce W. Wood. "Nickel Deficiency Affects Nitrogenous Forms and Urease Activity in Spring Xylem Sap of Pecan." Journal of the American Society for Horticultural Science 132, no. 3 (2007): 302–9. http://dx.doi.org/10.21273/jashs.132.3.302.

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While nickel (Ni) deficiency occurs in certain agricultural crops, little is known regarding the influence of deficiency on metabolic or physiological processes. We studied the influence of Ni deficiency on the reduced-nitrogen (N) composition of early spring xylem sap of pecan [Carya illinoinensis (Wangenh.) C. Koch]. High-performance liquid chromatography (HPLC) analysis of sap composition found the presence of ureido-, amide-, and amino-N substances and that they are quantitatively influenced by tree Ni nutritional status. Ureido-N forms quantitatively dominated amide-N forms with respect t
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Dissertations / Theses on the topic "Ureids"

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Camargos, Liliane Santos de. "Alterações no metabolismo de compostos nitrogenados em Calopogonium mucunoides em resposta a diferentes fontes de nitrogênio : efeitos na nodulação e na fixação." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/315648.

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Orientador: Ladaslav Sodek<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-09T07:22:51Z (GMT). No. of bitstreams: 1 Camargos_LilianeSantosde_D.pdf: 771179 bytes, checksum: daa7e6be4a51704bd9baabb7c6975f09 (MD5) Previous issue date: 2007<br>Resumo: Calopogonium mucunoides é uma leguminosa tropical típica de cerrado, sendo muito utilizada em adubação verde e como forrageira. Possui alta capacidade de fixação de nitrogênio, sendo cultivada em solos de baixo pH e pouca fertilidade; e boa resistência à seca, mas não tolera baix
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Wells, Xanthe Elizabeth. "Aspects of ureide metabolism in French beans." Thesis, The University of Sydney, 1989. https://hdl.handle.net/2123/26229.

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Allantoin and a11antoate are the major transport forms of nitrogen in many legumes such as soybean, cowpea and french bean. They are formed in the nodules of these plants by de novo pathways of purine synthesis and oxidation. The exact quantity of ureide present is dependent on environmental and developmental factors. Ureides are transported to sites of metabolism and allantoin is degraded, via allantoate and ureidoglycolate, to ultimately release ammonia, carbon dioxide and glyoxylate. The question of whether urea or ammonia and carbon dioxide are products, and the role of urease, in this cat
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Kim, Jong Heon. "Regulations of ureide biosynthesis genes in tropical legume root nodules /." The Ohio State University, 1996. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487942182322955.

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Abel, Georg [Verfasser]. "Untersuchungen zur Wirkung von Anthocyanen auf die mikrobielle Metabolisierung von Lactose-[13C]-Ureid und Lactose-[15N2]-Ureid im Colon des Menschen / Georg Abel." Gießen : Universitätsbibliothek, 2014. http://d-nb.info/106859165X/34.

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Roberts, Thomas Hugh. "Glyoxylate aminotransferases and ureide catabolism in the developing fruits of legumes." Thesis, The University of Sydney, 1994. http://hdl.handle.net/2123/9998.

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The metabolism of glyoxylate released as a result of ureide catabolism in the developing fruits of legumes was examined through an investigation of alanine-, glutamate- and serine-glyoxylate aminotransferase activity in these tissues. A study of the distribution of these activities among the tissues of the developing fruits of two ureide-transporting legumes, French bean (Phaseolus vulgaris) and cowpea (Vigna unguiculata) and an amide-transporter, snow pea (Pisum sativum), was conducted. Serine-glyoxylate aminotransferase activity in each species was very low relative to the alanine- and gluta
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TCHERTCHI, AN SYLVIE. "Controle de la stéréochimie en série acyclique : application à la synthèse de la zwittermycine A." Université Joseph Fourier (Grenoble), 1997. http://www.theses.fr/1997GRE10267.

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La zwittermycine a est un aminopolyol possedant d'importantes proprietes antibiotiques et antifongiques. Elle est composee d'une partie uree-amide derivee d'un aminoacide non naturel proteique, l'albizziine, et d'une partie diaminopentol. L'approche synthetique convergente envisagee utilise un synthon chiral commun derive de la l-serine, l'aldehyde de garner. Au cours de ce travail, nous avons realise la synthese des deux enantiomeres de la partie uree-amide sous une forme protegee. Dans un deuxieme temps, deux strategies pour la synthese de la partie diaminopentol ont ete mises en oeuvre. La
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Bundy, Rafe. "Use of lactose ['1'5N'1'5N]ureide to quantify colonic salvage of urea-nitrogen." Thesis, University of Southampton, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241906.

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Turner, Hazel L. "Stereocontrol in rotationally restricted ureas." Thesis, University of Manchester, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505382.

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Atropisomerism is a property exhibited by molecules where rotation about one or more bonds is restricted. Along with the biaryls, which are widely utilised in asymmetric catalysis most famously by BINAP and BINOL, several other classes of compounds display atropisomerism, primarily aiiilides, benzamides and biaryl ethers. These molecules have applications in enantioselective synthesis, asymmetric catalysis and been used to relay stereochemical information (Chapter 1). This thesis presents a new family of non-biaryl type atropisomers; rotationally restricted diarylureas. Chapter 2 explains how
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Lefranc, Julien. "Lithiation chemistry of vinyl ureas." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/lithiation-chemistry-of-vinyl-ureas(b559b2b8-744e-4dbe-87ee-4a5fef7d3443).html.

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The construction of tertiary alkylamines is a synthetic challenge exacerbated by the poor electrophilicity of imines. Due to the presence of this kind of building block in a large number of bioactive molecules, the development of new strategies to synthesise the quaternary carbon centre is essential. This thesis describes the work carried out on the rearrangement of lithiated vinyl ureas in order to form α-tertiary amines. The first part presents how vinyl ureas were synthesised, using the reaction between an imine and an aryl isocyanate. The development of one-pot process allows the synthesis
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Argillier, Christine. "Etude du métabolisme des uréides chez quelques légumineuses." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376023956.

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Books on the topic "Ureids"

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Wright, James E., and Arthur Retnakaran, eds. Chitin and Benzoylphenyl Ureas. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-4824-2.

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Shiva, M. P. Sterculia urens (Gum karaya). Centre of Minor Forest Products, 2000.

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1940-, Wright James E., Retnakaran Arthur 1934-, and International Congress of Entomology (17th : 1984 : Hamburg, Germany), eds. Chitin and benzoylphenyl ureas. W. Junk, 1987.

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Satyanārāyaṇa, Cēgūri. Gīta vaibhava saṃskr̥ti. Cēgūri Satyanārāyaṇa, 1988.

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Saxena, S. C. Investigation on new chitin synthesis inhibitors with special reference to their mode of action and effect on insect reproduction. Toxicology Laboratory, Department of Zoology, University of Rajastan, 1989.

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Patiraṇa, Indikā. Kitul karmāntayē vartamāna tattvaya hā vibhavatā piḷibanda adyayanaya. Hekṭar Kobbâkaḍuva Gōvi Kaṭayutu Paryēṣaṇa hā Pubhuṇu Kirīmē Āyatanaya, 2014.

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Miller, Janet I. Family advent-ures. Resource Publications, Inc., 2009.

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Miller, Janet I. Family advent-ures. Resource Publications, Inc., 2009.

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Hutchby, Marc. Novel Synthetic Chemistry of Ureas and Amides. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-32051-4.

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Matsuda, Aoko. Yomeyo saraba urei nashi. Kawadeshobōshinsha, 2015.

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Book chapters on the topic "Ureids"

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Welsch, Norbert, Claus Chr Liebmann, and Jürgen Schwab. "Die Urerde." In Erde und Leben. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-53869-2_5.

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Hallenbeck, William H., and Kathleen M. Cunningham-Burns. "Ureas." In Pesticides and Human Health. Springer New York, 1985. http://dx.doi.org/10.1007/978-1-4612-5054-8_96.

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Bährle-Rapp, Marina. "Sterculia Urens." In Springer Lexikon Kosmetik und Körperpflege. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_10073.

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Riley, David S. "Urtica urens." In Materia Medica of New and Old Homeopathic Medicines. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-54192-0_71.

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Riley, David S. "Urtica urens." In Materia Medica of New and Old Homeopathic Medicines. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25292-1_66.

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Riley, David S. "Urtica urens." In Materia Medica of New and Old Homeopathic Medicines. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-65920-2_81.

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Bährle-Rapp, Marina. "Urtica Urens Extract." In Springer Lexikon Kosmetik und Körperpflege. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_10910.

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Bährle-Rapp, Marina. "Sterculia Urens Extract." In Springer Lexikon Kosmetik und Körperpflege. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_10074.

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Bährle-Rapp, Marina. "Sterculia Urens Gum." In Springer Lexikon Kosmetik und Körperpflege. Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_10075.

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Khare, C. P. "Sterculia urens Roxb." In Indian Medicinal Plants. Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_1554.

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Conference papers on the topic "Ureids"

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Flizikowski, G. A. S., L. F. dos Santos, O. W. Oner, et al. "Nonlinear Characterization of InGaAsP/InP Platform in the C-band Telecom Range." In Nonlinear Photonics. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/np.2024.npm4e.2.

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We conducted four-wave mixing and nonlinear absorption experiments in InGaAsP/InP waveguides of different geometries in the telecom C-band. Further, we meas-ured the nonlinear refractive index to be n2= 1.9 × 10 − 13 cm2/W.
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Ivry, Amir, and Israel Cohen. "E-URES 2.0: Efficient User-Centric Residual-Echo Suppression with a Lightweight Neural Network." In ICASSP 2025 - 2025 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). IEEE, 2025. https://doi.org/10.1109/icassp49660.2025.10888797.

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Tavakoli, Siamak, and Abdullah Can Zülfikar. "Application of B-Delta and UrEDAS on Seismometer Sensor Data to Model the Uncertainty in Time-Critical Detection of Earthquakes Affecting Turkish High Speed Railways." In 2024 14th International Symposium on Communication Systems, Networks and Digital Signal Processing (CSNDSP). IEEE, 2024. http://dx.doi.org/10.1109/csndsp60683.2024.10636493.

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Ivry, Amir, and Israel Cohen. "E-URES: Efficient User-Centric Residual-Echo Suppression Framework with a Data-Driven Approach to Reducing Computational Costs." In 2024 18th International Workshop on Acoustic Signal Enhancement (IWAENC). IEEE, 2024. http://dx.doi.org/10.1109/iwaenc61483.2024.10694392.

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Auria-Luna, Fernando, Sandra Ardevines, M. Eugenia Marqués-López, et al. "Novel ureido-dihydropyridine scaffolds as theranostic agents." In 6th International Electronic Conference on Medicinal Chemistry. MDPI, 2020. http://dx.doi.org/10.3390/ecmc2020-07419.

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Shutalev, Anatoly, Nikolay Kurochkin, Dmitriy Goliguzov, and Dmitriy Cheshkov. "Unexpected result of reaction of b-halogen-a-tosyl-substituted ureas with b-oxoesters and 1,3-diketones. Synthesis of 3-acyl-substituted 5-ureido-4,5-dihydrofurans." In The 10th International Electronic Conference on Synthetic Organic Chemistry. MDPI, 2006. http://dx.doi.org/10.3390/ecsoc-10-01409.

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Li, Feng, and Juan Ma. "Microwave-Assisted Efficient Synthesis of Dialkylated Ureas from Ureas." In 2015 International Conference on Education, Management, Information and Medicine. Atlantis Press, 2015. http://dx.doi.org/10.2991/emim-15.2015.183.

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Rosenfeld, Benjamin, and Ronen Feldman. "URES." In the COLING/ACL. Association for Computational Linguistics, 2006. http://dx.doi.org/10.3115/1273073.1273159.

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Vigano, G., E. Marchesi, G. Remuzzi, and G. Mecca. "CONJUGATED ESTROGENS (CE) TO REDUCE BLEEDING IN UREMICS." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643077.

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Bleeding is a major complication of uremia. Both cryoprecipitate and desmopressin favourably infuence clinical bleeding, but the former carries the risk of transmitting blood-borne infectious diseases and both have a short duration of action. We recently demonstrated in a controlled study that CE effectively shortened bleeding time (BT) (the best available marker of clinical bleeding) in uremics. The effect of CE on BT is long lasting. Thus CE might represent an alternative to cryoprecipitate or desmopressin when long-lasting hemostatic” competence is required. In the present study we followed
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Carvalho, GC, FS Siqueira, DR Ramadan, and S. Tufik. "ANÁLISE DE COMPONENTES PRINCIPAIS COMO MÉTODO DE AGRUPAMENTO PARA IDENTIFICAÇÃO DE POPULAÇÕES COM RISCO DE DESENVOLVIMENTO DE DIABETES." In Resumos do 55º Congresso Brasileiro de Patologia Clínica/Medicina Laboratorial. Zeppelini Editorial e Comunicação, 2023. http://dx.doi.org/10.5327/1516-3180.141s2.7788.

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Objetivo: O sobrepeso é um dos fatores de risco para resistência à insulina e desenvolvimento de diabetes tipo 2. O objetivo deste estudo foi investigar a razão ureia/creatinina em indivíduos com diferentes índices de massa corporal (IMC) e examinar grupos com risco para desenvolvimento de diabetes. Método: Foram incluídos indivíduos com idades entre 19 e 60 anos (janeiro de 2019 a novembro de 2022) e resultados de IMC, creatinina, ureia, glicose sérica e A1c. O risco para diabetes foi categorizado em três níveis: (i) sem risco, (ii) em transição e (iii) com risco. A análise de componentes pri
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Reports on the topic "Ureids"

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Brown, Ryan, Kimberley Preston, Julie Risien, Miguel Goni, and Laurie Juranek. ARC-Learn Practitioner Guidebook : practical considerations for implementing an alternative model of undergraduate research experience. Oregon State University, 2024. http://dx.doi.org/10.5399/osu/1177.

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This guidebook is designed to be used by anyone in higher education who is interested in learning more and potentially utilizing some alternative design features to make undergraduate research experiences (UREs) more inclusive. This includes undergraduate advisors, project Principal Investigators, education specialists, instructors, program coordinators and leadership. While this program centered on the geosciences and focused on student development as researchers in the natural/physical sciences, many of the “lessons-learned” have relevance across disciplines.
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