Relevant bibliographies by topics / Delta

Academic literature on the topic 'Delta'

Author: Grafiati
Published: 4 June 2021
Last updated: 30 July 2024

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Journal articles on the topic "Delta"

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Haddon, C., L. Smithers, S. Schneider-Maunoury, T. Coche, D. Henrique, and J. Lewis. "Multiple delta genes and lateral inhibition in zebrafish primary neurogenesis." Development 125, no. 3 (February 1, 1998): 359–70. http://dx.doi.org/10.1242/dev.125.3.359.

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In Drosophila, cells are thought to be singled out for a neural fate through a competitive mechanism based on lateral inhibition mediated by Delta-Notch signalling. In tetrapod vertebrates, nascent neurons express the Delta1 gene and thereby deliver lateral inhibition to their neighbours, but it is not clear how these cells are singled out within the neurectoderm in the first place. We have found four Delta homologues in the zebrafish--twice as many as reported in any tetrapod vertebrate. Three of these--deltaA, deltaB and deltaD--are involved in primary neurogenesis, while two--deltaC and deltaD--appear to be involved in somite development. In the neural plate, deltaA and deltaD, unlike Delta1 in tetrapods, are expressed in large patches of contiguous cells, within which scattered individuals expressing deltaB become singled out as primary neurons. By gene misexpression experiments, we show: (1) that the singling-out of primary neurons, including the unique Mauthner cell on each side of the hindbrain, depends on Delta-Notch-mediated lateral inhibition, (2) that deltaA, deltaB and deltaD all have products that can deliver lateral inhibition and (3) that all three of these genes are themselves subject to negative regulation by lateral inhibition. These properties imply that competitive lateral inhibition, mediated by coordinated activities of deltaA, deltaB and deltaD, is sufficient to explain how primary neurons emerge from proneural clusters of neuroepithelial cells in the zebrafish.
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Haddon, C., Y. J. Jiang, L. Smithers, and J. Lewis. "Delta-Notch signalling and the patterning of sensory cell differentiation in the zebrafish ear: evidence from the mind bomb mutant." Development 125, no. 23 (December 1, 1998): 4637–44. http://dx.doi.org/10.1242/dev.125.23.4637.

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Mechanosensory hair cells in the sensory patches of the vertebrate ear are interspersed among supporting cells, forming a fine-grained pattern of alternating cell types. Analogies with Drosophila mechanosensory bristle development suggest that this pattern could be generated through lateral inhibition mediated by Notch signalling. In the zebrafish ear rudiment, homologues of Notch are widely expressed, while the Delta homologues deltaA, deltaB and deltaD, coding for Notch ligands, are expressed in small numbers of cells in regions where hair cells are soon to differentiate. This suggests that the delta-expressing cells are nascent hair cells, in agreement with findings for Delta1 in the chick. According to the lateral inhibition hypothesis, the nascent hair cells, by expressing Delta protein, would inhibit their neighbours from becoming hair cells, forcing them to be supporting cells instead. The zebrafish mind bomb mutant has abnormalities in the central nervous system, somites, and elsewhere, diagnostic of a failure of Delta-Notch signalling: in the CNS, it shows a neurogenic phenotype accompanied by misregulated delta gene expression. Similar misregulation of delta; genes is seen in the ear, along with misregulation of a Serrate homologue, serrateB, coding for an alternative Notch ligand. Most dramatically, the sensory patches in the mind bomb ear consist solely of hair cells, which are produced in great excess and prematurely; at 36 hours post fertilization, there are more than ten times as many as normal, while supporting cells are absent. A twofold increase is seen in the number of otic neurons also. The findings are strong evidence that lateral inhibition mediated by Delta-Notch signalling controls the pattern of sensory cell differentiation in the ear.
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Ernanto, Iwan. "SIFAT-SIFAT RING FAKTOR YANG DILENGKAPI DERIVASI." Journal of Fundamental Mathematics and Applications (JFMA) 1, no. 1 (June 30, 2018): 12. http://dx.doi.org/10.14710/jfma.v1i1.3.

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Let $R$ is a ring with unit element and $\delta$ is a derivation on $R$. An ideal $I$ of $R$ is called $\delta$-ideal if it satisfies $\delta (I)\subseteq I$. Related to the theory of ideal, we can define prime $\delta$-ideal and maximal $\delta$-ideal. The ring $R$ is called $\delta$-simple if $R$ is non-zero and the only $\delta$-ideal of $R$ are ${0}$ and $R$. In this paper, given the necessary and sufficient conditions for quotient ring $R/I$ is a $\delta$-simple where $\delta_*$ is a derivation on $R/I$ such that $\delta_* \circ \pi =\pi \circ \delta$.
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Latimer, Andrew J., Xinhong Dong, Youlia Markov, and Bruce Appel. "Delta-Notch signaling induces hypochord development in zebrafish." Development 129, no. 11 (June 1, 2002): 2555–63. http://dx.doi.org/10.1242/dev.129.11.2555.

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Different cell types that occupy the midline of vertebrate embryos originate within the Spemann-Mangold or gastrula organizer. One such cell type is hypochord, which lies ventral to notochord in anamniote embryos. We show that hypochord precursors arise from the lateral edges of the organizer in zebrafish. During gastrulation, hypochord precursors are closely associated with no tail-expressing midline precursors and paraxial mesoderm, which expresses deltaC and deltaD. Loss-of-function experiments revealed that deltaC and deltaD were required for her4 expression in presumptive hypochord precursors and for hypochord development. Conversely, ectopic, unregulated Notch activity blocked no tail expression and promoted her4 expression. We propose that Delta signaling from paraxial mesoderm diversifies midline cell fate by inducing a subset of neighboring midline precursors to develop as hypochord, rather than as notochord.
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Clark, Tiana. "Delta Delta Delta." Ploughshares 45, no. 1 (2019): 36–37. http://dx.doi.org/10.1353/plo.2019.0009.

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Beck, Rose, and Mallika Padival. "Differential Ability of the Notch Ligands Jagged2, Delta1, and Delta4 To Accelerate Development of Human CD34+ Hematopoietic Progenitor Cells (HPCs) into Killer Inhibitory Receptor (KIR)-Negative NK Cells with Cytotoxic Activity." Blood 110, no. 11 (November 16, 2007): 1326. http://dx.doi.org/10.1182/blood.v110.11.1326.1326.

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Abstract The evolutionarily conserved Notch receptors play important roles in cell fate decisions. Ligation of Notch-1 causes differentiation of T/NK cell precursors from HPCs and is critical for development of T cells in the thymic microenvironment. Five known Notch ligands exist in mammals (Delta1, Delta3, Delta4, Jagged1, and Jagged2), and Delta4 in particular has a greater capacity to support T cell development than Delta1. Notch ligation through Delta1 has also been shown to potentiate CD56+ NK cell differentiation from human HPCs in the presence of IL-15, although the phenotype and functionality of these cells has not been extensively described. We compared the ability of the 5 mammalian Notch ligands to induce the development of functional NK cells from human CD34+ HPCs derived from umbilical cord blood (CB). CD34+ cells isolated from CB were cultured in RPMI + 10% FBS on a murine stromal cell line, OP-9, expressing one of the five mammalian Notch receptors (Jagged1, Jagged2, Delta1, Delta3, or Delta4) or OP-9 cells transfected with vector alone, in the presence of IL-7, Flt3 ligand (FL), and IL-15. After three weeks of culture, development of CD56+CD3− cells was greatly accelerated by the ligands Jagged2 (53.4 +/− 5.5% CD56+CD3− cells), Delta-1 (38.6 +/− 5.7%), and Delta-4 (65.0 +/− 3.9%) versus culture in the absence of ligand (17.6 +/−10.3%, p = < 0.02) or in the presence of Jagged1 or Delta3. By 5 weeks, the percentage of NK cells seen in cultures containing Jagged2, Delta1, or Delta4 reached 80–90%. These NK cells expressed CD117 but only partially expressed CD94, with positivity ranging from 12.1 to 34.1% of NK cells derived from these 3 ligands after 5 weeks in culture; similarly, few CD16+ NK cells were seen in these cultures (0 to 12.1% of NK cells after 5 weeks). KIR expression in more than 1% of NK cells was not identified under any culture condition. In preliminary experiments, the addition of IL-2 or IL-21, both of which have been shown to induce KIR expression in non-Notch mediated models of NK cell development, did not significantly alter the percentages of NK cells expressing CD94, CD16, or KIR. Because the ligands Jagged2 and Delta4 induced the highest percentages of NK cells in culture, we examined the cytotoxic activity of these cells. NK cells derived from Jagged2 or Delta4 ligation expressed perforin and displayed in vitro cytotoxic activity against the human leukemia cell lines K562 (34.1% or 40.8% target cell lysis, respectively, at an E:T of 10:1) and HL-60 (14.1% or 31.6%, respectively). These cells also produced IFN-gamma, with Delta4 cultures producing higher levels of IFN-gamma versus Jagged2 cultures (1112 vs. 163.9 pg/ml, respectively). These data demonstrate that the Notch ligands vary in their ability to induce differentiation of NK cells from human CD34+ HPCs. Jagged2 and Delta4 in particular have greater capacity to generate functional NK cells which have cytolytic activity and can secrete IFN-gamma, while at the same time lacking a majority of inhibitory NK receptors (KIR and the NKG family of receptors which dimerize with CD94). The generation of cytolytic KIR-negative NK cells is of interest for cellular therapy against malignancies that are susceptible to NK cell killing.
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Максаков, Серафим Павлович, S. P. Maksakov, Марина Михайловна Сорокина, and Marina Mikhailovna Sorokina. "Об алгебраичности решеток $\omega$-веерных формаций конечных групп." Diskretnaya Matematika 34, no. 1 (2022): 23–35. http://dx.doi.org/10.4213/dm1659.

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Для непустого множества $\omega$ простых чисел В.А. Ведерниковым с помощью функциональных методов были построены $\omega$-веерные формации групп. В работе изучаются решеточные свойства $\omega$-веерных формаций конечных групп с направлением $\delta$, удовлетворяющим условию $\delta_{_{0}} \leq \delta$. Доказана алгебраичность решетки $\omega\delta F_{\theta}$ всех $\omega$-веерных формаций с направлением $\delta$ и $\theta$-значным $\omega$-спутником при условии, что решетка формаций $\theta$ является алгебраической. В качестве следствий установлена алгебраичность решеток $\omega\delta F$, $\omega\delta F_{\tau}$, $\tau\omega\delta F$, $\omega\delta^{n} F$ $\omega$-веерных формаций групп.
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Riley, B. B., M. Chiang, L. Farmer, and R. Heck. "The deltaA gene of zebrafish mediates lateral inhibition of hair cells in the inner ear and is regulated by pax2.1." Development 126, no. 24 (December 15, 1999): 5669–78. http://dx.doi.org/10.1242/dev.126.24.5669.

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Recent studies of inner ear development suggest that hair cells and support cells arise within a common equivalence group by cell-cell interactions mediated by Delta and Notch proteins. We have extended these studies by analyzing the effects of a mutant allele of the zebrafish deltaA gene, deltaA(dx2), which encodes a dominant-negative protein. deltaA(dx2/dx2)homozygous mutants develop with a 5- to 6-fold excess of hair cells and a severe deficiency of support cells. In addition, deltaA(dx2/dx2) mutants show an increased number of cells expressing pax2.1 in regions where hair cells are normally produced. Immunohistological analysis of wild-type and deltaA(dx2/dx2) mutant embryos confirmed that pax2.1 is expressed during the initial stages of hair cell differentiation and is later maintained at high levels in mature hair cells. In contrast, pax2.1 is not expressed in support cells. To address the function of pax2.1, we analyzed hair cell differentiation in no isthmus mutant embryos, which are deficient for pax2.1 function. no isthmus mutant embryos develop with approximately twice the normal number of hair cells. This neurogenic defect correlates with reduced levels of expression of deltaA and deltaD in the hair cells in no isthmus mutants. Analysis of deltaA(dx2/dx2); no isthmus double mutants showed that no isthmus suppresses the deltaA(dx2) phenotype, probably by reducing levels of the dominant-negative mutant protein. This interpretation was supported by analysis of T(msxB)(b220), a deletion that removes the deltaA locus. Reducing the dose of deltaA(dx2) by generating deltaA(dx2)/T(msxB)(b220)trans-heterozygotes weakens the neurogenic effects of deltaA(dx2), whereas T(msxB)(b220) enhances the neurogenic defects of no isthmus. mind bomb, another strong neurogenic mutation that may disrupt reception of Delta signals, causes a 10-fold increase in hair cell production and is epistatic to both no isthmus and deltaA(dx2). These data indicate that deltaA expressed by hair cells normally prevents adjacent cells from adopting the same cell fate, and that pax2.1 is required for normal levels of Delta-mediated lateral inhibition.
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Syvitski, J. P. M., and S. Daughney. "Delta2: Delta progradation and basin filling." Computers & Geosciences 18, no. 7 (August 1992): 839–97. http://dx.doi.org/10.1016/0098-3004(92)90028-p.

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Фуври, Этьен, and Maksym Radziwi l. "Новое применение дисперсионного метода Линника." Чебышевский сборник 19, no. 3 (January 9, 2019): 148–63. http://dx.doi.org/10.22405/2226-8383-2018-19-3-148-163.

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Пусть $\alpha_{m}$ и $\beta_{n}$ --- две последовательности вещественных чисел с носителями наотрезках $[M,2M]$ и $[N,2N]$, где $M = X^{1/2-\delta}$ и $N = X^{1/2+\delta}$. Мы доказываемсуществование такой постоянной $\delta_{0}$, что мультипликативная свертка$\alpha_{m}$ и $\beta_{n}$ имеет уровень распределения $1/2+\delta-\varepsilon$ (в слабом смысле),если только $0\leqslant \delta<\delta_{0}$, последовательность $\beta_{n}$ являетсяпоследовательностью Зигеля-Вальфиша, и обе последовательности $\alpha_{m}$ и $\beta_{n}$ограничены сверху функцией делителей.Наш результат, таким образом, представляет собой общую дисперсионную оценкудля "коротких"\, сумм II типа. Доказательство существенно использует дисперсионный метод Линникаи недавние оценки трилинейных сумм с дробями Клоостермана, принадлежащие Беттин и Чанди.Также мы остановимся на применении полученного результата к проблеме делителей Титчмарша.
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Dissertations / Theses on the topic "Delta"

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Yocum, Tara A. "Growth laws for sub-delta crevasses in the Mississippi River Delta: observations and modeling." ScholarWorks@UNO, 2017. http://scholarworks.uno.edu/td/2339.

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In this study we assessed growth laws of sub-delta crevasses in the Mississippi River delta plain, experimental laboratory deltas, and compared them to previously studied river dominated large deltas worldwide. Metrics for channel and delta geometry for each system were obtained using a combination of geospatial tools, bathymetric datasets, sediment size, and hydrodynamic observations. Most crevasses and experimental deltas appear to obey delta growth laws suggesting that they exhibit planform metrics similar to larger deltas. However, some channels within each system, exhibit outlier behavior (e.g. asymmetric growth) where channel length is much larger than channel width. Hydrodynamic observations and morphodynamic modeling results, support the role of confinement in governing this response, through direct lateral confinement of the receiving basin width and depth thus guiding channels, and indirect confinement caused by sediment cohesion, whereby natural levees guide the systems asymmetric channel growth.
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Bennerhag, Emma. "Att delta eller inte delta : exemplet idrott och hälsa." Thesis, Örebro University, Department of Education, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-1477.

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Uppsatsen belyser skolk och dess existens i skolämnet idrott och hälsa. Skolk börjar och förekommer främst i grundskolans senare del. Det finns både för- och nackdelar med att träna, och skolan vill lära alla elever hur de ska skapa och/eller bibehålla en sund livsstil som främjar deras hälsa fysiskt och psykiskt. De elever som inte deltar i idrottsundervisningen går

miste om detta och avsikten med uppsatsen var att ta reda på hur skolkandet ser ut och få exempel på hur det går till, samt av vilka anledningar vissa elever gör detta. De frågeställningar som besvarades var:

1. Varför skolkar elever från idrott och hälsa?

2. Vad påverkar eleven att skolka?

3. Bidrar skolkandet i idrott och hälsa till en negativ syn på idrott?

Syftet var att få en kvalitativ studie, genom att undersöka exempel på fenomenet skolk i idrott och hälsa. Att bara skrapa på ytan av problemet eller att få generella svar var inte önskvärt, utan undersökningens intention var att erhålla djupare orsaker till skolk. För att få kvalitativa svar valdes intervju som metod. Fyra personer i skiftande ålder, som skolkat från idrottslektioner under deras högstadieperiod, deltog i studien och alstrade i ett fylligt material att utgå ifrån.

Anledningarna och förklaringarna till skolkande och bakomliggande åsikter var väldigt varierande. Det fanns mycket som kunde spela in på varför personerna skolkade, och många

knöt an till lärarens inverkan på deras val. Förståelsen för vikten av att ta hand om sin kropp och hälsa var gemensamt för de intervjuade, men att utföra det praktiskt, (det vill säga träna), var det inte alla som gjorde. Det kom även fram goda förslag på hur de hellre hade sett att idrott-och-hälsa-lektionerna utspelat sig. Svaren på forskningsfrågorna blev följande:

1. Eleverna hade dåligt förhållande till sin lärare, som kunde utspela sig på olika sätt,

men det gjorde att de valde att hitta på ursäkter att inte delta. Det fanns en ointresserad lärare, en nedvärderande lärare, ouppmärksam lärare, en för sträng lärare och så vidare. I stort sett ingen av de förklaringar de gav sina undervisande lärare, var detsamma som den egentliga orsaken till att inte delta. Eleverna kände inte motivation att vara med på lektionerna.

2. Den dåliga relationen till respektive lärare påverkade att de inte ville delta. Vänner påverkade också eleverna att skolka, och i ett fall var det att inte ha några vänner som inverkade. Föräldrar uppgavs inte ha påverkat dessa elever.

3. Skolkandet medförde inte att dessa personer hade dålig inställning till motion och rörelse idag, vilket motsäger vad statistik visar. Samtliga visste fördelar med att se över sin hälsa, men alla var inte aktiva för att främja sitt välmående.

Ytterligare aspekter som blev tydliga i arbetet, var hur man kan arbeta som lärare för att motverka skolk. Många bra åsikter om vad som hade kunnat göras för att dessa elever skulle ha deltagit, kom upp. Enligt eleverna kunde mycket skolk ha förhindrats genom en mer demokratisk lärare som lyssnat och sett till alla elever och deras behov. Mycket kom upp om vad som kan göras för, att i största möjliga mån, undvika att elever skolkar från lektioner, men det kräver en stor insats och engagemang för en lärare. Dock kommer aldrig alla elever att

delta i idrott och hälsa. Har en lärare som mål att alla elever ska delta, kan denne komma en bit på vägen. Denna uppsats utgör en grund för att skapa förståelse hos skolans lärare och

ledning till hur skolk kan uppstå och motverkas.

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Owoyemi, Ajibola Olaoluwa. "Sequence stratigraphy of Niger Delta, Delta field, offshore Nigeria." Texas A&M University, 2004. http://hdl.handle.net/1969.1/2768.

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The Niger Delta clastic wedge formed along the West Africa passive margin. This wedge has been divided into three formations that reflect long-term progradation: 1) pro-delta shales of the Akata Formation (Paleocene to Recent), 2) deltaic and paralic facies of the Agbada Formation (Eocene to Recent) and 3) fluviatile facies of the Benin Formation (Oligocene-Recent). This study combines a three-dimensional seismic image with well log data from Delta field to describe lithic variations of the Agbada Formation and develop a sequence stratigraphic framework. The 5000-feet thick Agbada Formation in Delta field is divided by five major sequence boundaries, each observed in seismic cross sections to significantly truncate underlying strata. Sequence boundaries developed as mass flows eroded slopes steepened by the structural collapse of the Niger Delta clastic wedge. Basal deposits directly overlying areas of deepest incision along sequence boundaries formed by the migration of large, sinuous turbidite channels. Upward-coarsening sets of inclined beds, hundreds of feet thick, record progradation of deltas into turbidite-carved canyons and onto down faulted blocks. Thinner, more continuous seismic reflections higher within sequences are associated with blocky and upward-fining well-log patterns interpreted to reflect deposition in shoreline, paralic, and fluvial environments. Episodes of structural collapse of the Niger Delta clastic wedge appear to be associated with progradation of Agbada Formation sediments and the loading of underlying Akata Formation shales. Progradation may have been more rapid during third order eustatic sea level falls. Effects of syn-sedimentary deformation on patterns of sediment transport and deposition are more pronounced in lower sequences within the Agbada Formation, and include: 1) incision into foot walls of listric normal faults, 2) abrupt reorientation of channelized flow pathways across faults, and 3) thinning of deposits across crests of rollover anticlines on down thrown fault blocks. Structural controls on deposition are less pronounced within younger sequences and canyon incisions along sequence boundaries are more pronounced, suggesting that the locus of sediment accumulation and structural collapse of the clastic wedge moved farther basinward as accommodation was filled in the area of Delta field.
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Chang, Chi-Chun, and n/a. "Interaction between delta epithelial sodium channel ([delta]ENaC) and COMMD1." University of Otago. Department of Physiology, 2008. http://adt.otago.ac.nz./public/adt-NZDU20080512.123318.

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The epithelial sodium channel (ENaC) is a key regulator of salt homeostasis. The classic ENaC consists of three subunits: α, β and γ, which are highly expressed in the kidney and colon where they mediate electrogenic Na⁺ influx into cells under the tight hormonal regulation of aldosterone. A fourth ENaC subunit named [delta]ENaC also generates Na⁺ influx with the β- and γENaC subunits in Xenopus oocytes. However [delta]ENaC differs to the other subunits in its channel properties and tissue distribution, suggesting that [delta]ENaC may possess a physiological role other than salt regulation. A copper-toxicosis related protein called COMMD1/Murr1 was previously identified to directly interact with [delta]ENaC and downregulate [delta]ENaC activity. COMMD1 is linked with multiple ubiquitination pathways, therefore we hypothesised that COMMD1 directly interacts with [delta]ENaC through novel protein-protein interaction motifs and promotes internalisation of [delta]ENaC from the cell surface through enhanced ubiquitination. With the use of GST pulldown assays and coimmunoprecipitation, it was found that the binding of COMMD1 to [delta]ENaC is mediated by the COMM domain of COMMD1, primarily through amino acids 120-150 of COMMD1. Immunocytochemical studies showed that the intracellular interaction between [delta]ENaC and COMMD1 predominantly occurred in the early and recycling endosomes, suggesting that COMMD1 may promote the retrieval of [delta]ENaC from the cell surface to the intracellular pool. COMMD1 mediated a decrease in the [delta]ENaC cell surface population, as shown by a biotinylation surface labelling assay. This may be driven by an ubiquitin-regulated endocytosis, as COMMD1 increased ubiquitination, but not proteasomal/lysosomal degradation, of [delta]ENaC. COMMD1 may promote [delta]ENaC ubiquitination through the action of the ubiquitin ligase Nedd4-2 as coexpression with Nedd4-2 enhanced the COMMD1-mediated decrease in surface [delta]ENaC expression. This is abolished by the addition of the Nedd4-2 downregulator kinase sgk1, suggesting that COMMD1 may downregulate [delta]ENaC through the Nedd4-2/sgk1 pathway. Surface levels of [delta]ENaC may also be affected by XIAP, a RING domain ubiquitin ligase which is able to decrease the levels of COMMD1. Coimmunoprecipitation of endogenous [delta]ENaC and COMMD1 proteins, and the enhanced colocalisation of endogenous [delta]ENaC in the recycling endosomes with transfected COMMD1, indicate that interaction between transfected [delta]ENaC and COMMD1 reflect the intracellular interactions of the endogenous proteins. Taken together, these findings suggest that COMMD1 downregulates [delta]ENaC activity by promoting the internalisation of surface [delta]ENaC into early and recycling endosomes and this may be mediated by enhanced [delta]ENaC ubiquitination via the ubiquitin ligase Nedd4-2.
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Jönsson, Maria. "ATT INTE DELTA." Thesis, Halmstad University, School of Teacher Education (LUT), 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-4202.

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Ämnet idrott och hälsa lyfts ofta fram som en viktig komponent för att utveckla en hälsosam

livsstil. Fysisk aktivitet framhålls av forskare som den viktigaste friskfaktorn. Vid den senaste

utvärderingen av ämnet idrott och hälsa visade det sig att 16 procent av eleverna inte tyckte

ämnet var intressant och ett par procent av eleverna deltar aldrig i undervisningen i idrott och

hälsa. Studiens syfte har varit att undersöka vilka bevekelsegrunder elever i år 7-9 har för att

inte delta i undervisningen i ämnet idrott och hälsa. Såväl de grunder som eleverna framför till

sina lärare som de som eleverna inte framför har undersökts. Andra frågeställningar har varit:

vilka förändringar eleverna önskar för att delta i undervisningen samt hur elevernas skäl att

inte delta påverkas av den rådande samhällsdiskursen om allt fler inaktiva och/eller

överviktiga barn. Tre intervjuer med totalt fem intervjupersoner har genomförts och

analyserats med en hermeneutisk ansats. Resultaten visade att de bevekelsegrunder eleverna

anger för sina lärare inte är de samma som dc verkliga. Eleverna som intervjuats har en

negativ inställning till ämnet idrott och hälsa. De upplever att de ingenting lär sig och de är

rädda att göra bort sig och misslyckas. Några tycker inte att de kommer så bra överens med

läraren och några tycker inte att dc lever upp till de kroppsideal som förmedlas via

massmedia. Ingen av eleverna duschar i de duschutrymmen som anvisas. De förändringar som

eleverna efterfrågar är enskilda duschutrymmen, större valmöjligheter samt mer lek och

mindre traditionella bollsporter.

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Cremer, Rodolfo. "La fuerza delta." Universidad Peruana de Ciencias Aplicadas (UPC), 2006. http://hdl.handle.net/10757/285423.

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Uno de los problemas más graves que enfrentan las empresas es aterrizar la estrategia en acciones tácticas de cara al cliente; muchos de nuestros directores y gerentes de la plana más alta de la organización son grandes estrategas, sin embargo, el escenario de guerra de los negocios donde miles de soldados llevan a cabo las batallas por los clientes acontece -comúnmente– muy lejos de sus puestos de comando, a donde no llegan ni el ruido de los disparos ni las esquirlas del combate.
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Beavan, Nancy Ragano. "Contribution of diet to [delta]¹⁵N, [delta]¹³C, and [Delta]¹⁴C values in the Pacific rat (Rattus exulans)." Thesis, University of Canterbury. Zoology, 2001. http://hdl.handle.net/10092/6064.

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This thesis is the outcome of a research project undertaken to determine how diet can affect the reliability of rat bone (especially that of Rattus exulans) for accurate radiocarbon analysis. It addresses questions about the reliability of R. exulans bone for radiocarbon dating with respect to the survival of bone in archaeological and natural burial sites, laboratory processing methods, and the extent to which diet influences radiocarbon ages of bone. I have shown that R. exulans bone can return reliable radiocarbon dates, based on bone survival and the efficacy of chemical treatment to remove burial contamination. In three dietary investigations, stable isotope (13C and 15N) and radiocarbon (14C) analyses of modem populations and archaeological specimens also indicated that Rattus exulans and other omnivorous species can have radiocarbon values influenced by a diet linked to 14C – depleted reservoirs. Moreover, depleted carbon reservoir effects are localised and variable in their magnitude. Work on modem populations also provided an improved means of isotopic analysis in an ecological study, where bomb-generated radiocarbon (∆14C) signatures in the natural environment were used as for other "tracer" studies, in conjunction with stable isotopes (13C and 15N). Results indicated that the changing atmospheric 14C signal fixed into the biota in a given year by photosynthesis is transferred from plants through trophic levels to end-members, including rats. The additional isotopic "clue" about diet given by radiocarbon analysis offered a better understanding of the variation in diets of R. exulans in different habitats. Variation in the isotopic signal among individuals supported other observations that diets of scavenging rats are opportunistic and associated with faunal availability in different habitats. To better understand diet-induced radiocarbon variations, I also examined the carbon contribution to bone protein from essential amino acids in the diet. Essential amino acids are the biochemical "messengers" in the carbon transfer from diet to bone protein. I originally proposed that the dietary 14C contribution might be measured by HPLC separation of essential amino acids in bone protein. Analysis of a selection of amino acid separations from protein hydrolysates showed that essential and non-essential amino acids produced widely varying 13C and ∆14C. I hypothesise that the radiocarbon variations in non-essential amino acids may be due to metabolic effects that utilise essential amino acid carbon skeletons in the creation of non-essential amino acids.
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Åhsberg, Lina. "Att delta eller inte delta? : Kulturparken Småland AB och synen på deltagarperspektivet." Thesis, Linnéuniversitetet, Institutionen för samhällsvetenskaper, SV, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-21631.

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The purpose of this essay is to illustrate how an organisation with several different cultural activities, such as a regional museum, works with anemphasis on participation. The essay focuses on Kulturparken Småland AB, which encourages the public to be more involved in its activities. Aqualitative approach is used, including nine interviews with employees at theorganisation. A number of theories form the basis of this study: institutionaltheory, which focuses on the context of the organisation, Bourdieu’s theoriesof different capital and Abbott’s theory regarding professionals. In the resultsand analyses section, three operators/actors are identified that in differentways impact upon Kulturparken Småland´s work with participation. Theoperators are the following: the cultural politics arena, the general public andthe scientific community. The results demonstrate that these three operatorsplace the organization under different pressures that affect its identity,professions and aspirations of legitimacy.
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Callamand, Pierre. "Etude des desaturases delta 6 et delta 5 hepatiques en periode perinatale." Montpellier 1, 1991. http://www.theses.fr/1991MON11223.

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Seybold, Hansjörg Florian. "Modeling river delta formation /." [S.l.] : [s.n.], 2009. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=18263.

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Books on the topic "Delta"

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Paddock, Haller Margaret, ed. History of Delta Delta Delta, 1888-1988. [Arlington, Tex.]: Delta Delta Delta, 1988.

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Pangelov, Bozhidar. Delta. Sofii︠a︡: OMOFOR, 2005.

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Azaústre, Joaquín Pérez. Delta. Madrid: Visor Libros, 2004.

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Wright, Heidi von. Delta. Helsingfors]: Schildts & Söderströms, 2012.

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Maffei, Camilla de. Delta. Barcelona: Ediciones Anómalas, 2022.

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Wieser, Anna. Delta. Poznań: Wyd. WBP i CAK, 2009.

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Gail, Dinter-Gottlieb, ed. The unique hepatitis delta virus. Austin: R.G. Landes Co., 1995.

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Gottstein, Adam. Delta blues. Volcano, Calif: Kazan Media, 2011.

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Mario, Rizzetto, Gerin John L, and Purcell Robert H, eds. The Hepatitis delta virus and its infection: Proceedings of an International Symposium on Hepatitis Delta Virus, held in Saint Vincent, Italy, June 19 to 20, 1986. New York: Liss, 1987.

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Taylor, Keith. The delta. New York: Ace Books, 1987.

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Book chapters on the topic "Delta"

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FitzGerald, Duncan, Ioannis Georgiou, and Mark Kulp. "Delta." In Encyclopedia of Marine Geosciences, 1–17. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-007-6644-0_159-1.

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O’Sullivan, John. "DELTA." In In the Footsteps of Columbus, 122–53. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-27562-8_9.

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Kereszturi, Ákos, Henrik Hargitai, and George Postma. "Delta." In Encyclopedia of Planetary Landforms, 1–12. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4614-9213-9_109-1.

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Kereszturi, Ákos, Henrik Hargitai, and George Postma. "Delta." In Encyclopedia of Planetary Landforms, 551–60. New York, NY: Springer New York, 2015. http://dx.doi.org/10.1007/978-1-4614-3134-3_109.

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Burn, C. R. "Mackenzie Delta: Canada’s Principal Arctic Delta." In World Geomorphological Landscapes, 321–34. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44595-3_23.

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Freitas, M., J. Bilhim, C. Braga, and A. Fernandes. "Pro-Delta Portuguese Research on Delta." In Learning Technology in the European Communities, 137–53. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2672-4_11.

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Bird, John. "Delta–star and star–delta transformations." In Bird's Electrical Circuit Theory and Technology, 601–13. 7th ed. London: Routledge, 2021. http://dx.doi.org/10.1201/9781003130338-41.

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Bährle-Rapp, Marina. "Delta-Decalactone." In Springer Lexikon Kosmetik und Körperpflege, 144. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_2721.

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Simola, Nicola, Micaela Morelli, Tooru Mizuno, Suzanne H. Mitchell, Harriet de Wit, H. Valerie Curran, Celia J. A. Morgan, et al. "Delta Activity." In Encyclopedia of Psychopharmacology, 379. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-68706-1_4187.

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Upchurch Sweeney, C. Renn, J. Rick Turner, J. Rick Turner, Chad Barrett, Ana Victoria Soto, William Whang, Carolyn Korbel, et al. "Delta Sleep." In Encyclopedia of Behavioral Medicine, 553. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-1-4419-1005-9_100445.

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Conference papers on the topic "Delta"

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Gal, Avraham, and Humberto Garcilazo. "Pion-assisted N-Delta and Delta-Delta dibaryons." In XV International Conference on Hadron Spectroscopy. Trieste, Italy: Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.205.0091.

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Yang, Jiong, Shijie Zhang, and Wei Jin. "DELTA." In the 20th ACM international conference. New York, New York, USA: ACM Press, 2011. http://dx.doi.org/10.1145/2063576.2063832.

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Borgolte, Kevin, Christopher Kruegel, and Giovanni Vigna. "Delta." In the 2013 ACM SIGSAC conference. New York, New York, USA: ACM Press, 2013. http://dx.doi.org/10.1145/2508859.2516725.

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Kong, Nicholas, Tovi Grossman, Björn Hartmann, Maneesh Agrawala, and George Fitzmaurice. "Delta." In the 2012 ACM annual conference. New York, New York, USA: ACM Press, 2012. http://dx.doi.org/10.1145/2207676.2208549.

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Gupta, Nishant, Mohil Sandip Desai, Mark Wijtvliet, Shubham Rai, and Akash Kumar. "DELTA." In DAC '22: 59th ACM/IEEE Design Automation Conference. New York, NY, USA: ACM, 2022. http://dx.doi.org/10.1145/3489517.3530666.

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Ballinger, R. C. "Deltanet: Network of European Deltas - Sustainable Delta Governance." In Littoral 2010 – Adapting to Global Change at the Coast: Leadership, Innovation, and Investment. Les Ulis, France: EDP Sciences, 2011. http://dx.doi.org/10.1051/litt/201111005.

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Arvesen, R. J., and J. S. Simpson. "Delta III—an evolutionary delta growth." In Space technology and applications international forum: 1st conference on commercial development of space; 1st conference on next generation launch systems; 2nd spacecraft thermal control symposium; 13th symposium on space nuclear power and propulsion. AIP, 1996. http://dx.doi.org/10.1063/1.49969.

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Glover, B. "Alocit Delta T and Delta dB." In Advanced Marine Materials & Coatings. RINA, 2006. http://dx.doi.org/10.3940/rina.amm.2006.2.

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Mancewicz, Joe, Matt L. Derksen, and Cyrus A. Wilson. "Delta mush." In ACM SIGGRAPH 2014 Talks. New York, New York, USA: ACM Press, 2014. http://dx.doi.org/10.1145/2614106.2614144.

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Dadic, T. "Delta Replication." In EUROCON 2005 - The International Conference on "Computer as a Tool". IEEE, 2005. http://dx.doi.org/10.1109/eurcon.2005.1630134.

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Reports on the topic "Delta"

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Laibson, David, and Peter Maxted. The Beta-Delta-DELTA Sweet Spot. Cambridge, MA: National Bureau of Economic Research, January 2023. http://dx.doi.org/10.3386/w30822.

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Denton, R. E., and M. Kotschenreuther. {delta}f Algorithm. Office of Scientific and Technical Information (OSTI), November 1993. http://dx.doi.org/10.2172/10105190.

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Krommes, J. A. Thermostatted delta f. Office of Scientific and Technical Information (OSTI), January 2000. http://dx.doi.org/10.2172/750255.

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Williams, Craig, Jr Reynolds, de Supinski Paul F., and Bronis R. Delta Coherence Protocols. Fort Belvoir, VA: Defense Technical Information Center, January 2000. http://dx.doi.org/10.21236/ada480167.

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Chen, Y., and R. B. White. Collisional {delta}f method. Office of Scientific and Technical Information (OSTI), December 1997. http://dx.doi.org/10.2172/304188.

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Rampton, V. R. Surficial geology, Mackenzie Delta. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1987. http://dx.doi.org/10.4095/126955.

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Mogul, J., B. Krishnamurthy, F. Douglis, A. Feldmann, Y. Goland, A. van, and D. Hellerstein. Delta encoding in HTTP. RFC Editor, January 2002. http://dx.doi.org/10.17487/rfc3229.

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Rinke, Helen Mae. 49109 UTrain Delta Training. Office of Scientific and Technical Information (OSTI), May 2020. http://dx.doi.org/10.2172/1618309.

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Chen, Xueyuan. Delta-debugging on traces. Ames (Iowa): Iowa State University, January 2021. http://dx.doi.org/10.31274/cc-20240624-496.

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Ng, K. Y., and /Fermilab. Comments on the slip factor and the relation Delta phi = -h Delta theta. Office of Scientific and Technical Information (OSTI), September 2009. http://dx.doi.org/10.2172/966467.

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