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Physical Sciences and Mathematics Commons™
Open Access. Powered by Scholars. Published by Universities.®
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- Data representation (20)
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Articles 1 - 30 of 31
Full-Text Articles in Physical Sciences and Mathematics
Dissolved Organic Matter Composition And Bioavailability Reflect Ecosystem Productivity In The Western Arctic Ocean, Yuan Shen, Cedric Fichot, Ronald Benner
Dissolved Organic Matter Composition And Bioavailability Reflect Ecosystem Productivity In The Western Arctic Ocean, Yuan Shen, Cedric Fichot, Ronald Benner
Faculty Publications
Dissolved organic carbon (DOC) and total dissolved amino acids (TDAA) were measured in high (Chukchi Sea) and low (Beaufort Sea) productivity regions of the western Arctic Ocean to investigate the composition and bioavailability of dissolved organic matter (DOM). Concentrations and DOC-normalized yields of TDAA in Chukchi surface waters were relatively high, indicating an accumulation of bioavailable DOM. High concentrations and yields of TDAA were also observed in the upper halocline of slope and basin waters, indicating off-shelf transport of bioavailable DOM from the Chukchi Sea. In contrast, concentrations and yields of TDAA in Beaufort surface waters were relatively low, indicting …
Incorporation Of Quantum Effects For Selected Degrees Of Freedom Into The Trajectory-Based Dynamics Using Spatial Domains, Sophya V. Garashchuk, Mikhail V. Volkov
Incorporation Of Quantum Effects For Selected Degrees Of Freedom Into The Trajectory-Based Dynamics Using Spatial Domains, Sophya V. Garashchuk, Mikhail V. Volkov
Faculty Publications
The approach of defining quantum corrections on nuclear dynamics of molecular systems incorporated approximately into selected degrees of freedom, is described. The approach is based on the Madelung-de-Broglie-Bohm formulation of time-dependent quantum mechanics which represents a wavefunction in terms of an ensemble of trajectories. The trajectories follow classical laws of motion except that the quantum potential, dependent on the wavefunction amplitude and its derivatives, is added to the external, classical potential. In this framework the quantum potential, determined approximately for practical reasons, is included only into the “quantum” degrees of freedom describing light particles such as protons, while neglecting with …
Breast Tumour Initiating Cell Fate Is Regulated By Microenvironmental Cues From An Extracellular Matrix, Sharmistha Saha, Pang-Kuo Lo, Xinrui Duan, Hexin Chen, Qian Wang
Breast Tumour Initiating Cell Fate Is Regulated By Microenvironmental Cues From An Extracellular Matrix, Sharmistha Saha, Pang-Kuo Lo, Xinrui Duan, Hexin Chen, Qian Wang
Faculty Publications
Cancer stem cells, also known as tumour-initiating cells (TICs), are identified as highly tumorigenic population within tumours and hypothesized to be main regulators in tumour growth, metastasis and relapse. Evidence also suggests that a tumour microenvironment plays a critical role in the development and progression of cancer, by constantly modulating cell–matrix interactions. Scientists have tried to characterize and identify the TIC population but the actual combination of extracellular components in deciphering the fate of TICs has not been explored. The basic unanswered question is the phenotypic stability of this TIC population in a tissue extracellular matrix setting. The in vivo …
Discrimination Of Colon Cancer Stem Cells Using Noncanonical Amino Acid, Xinrui Duan, Honglin Li, Hexin Chen, Qian Wang
Discrimination Of Colon Cancer Stem Cells Using Noncanonical Amino Acid, Xinrui Duan, Honglin Li, Hexin Chen, Qian Wang
Faculty Publications
Cancer stem cells (CSCs) may be responsible for tumor recurrence. Metabolic labelling of newly synthesized proteins with non-canonical amino acids allows us to discriminate CSCs in mixed populations due to the quiescent nature of these cells.
Il-6 Regulation On Skeletal Muscle Mitochondrial Remodeling During Cancer Cachexia In The ApcMin/+ Mouse, James P. White, Melissa J. Puppa, Shuichi Sato, Song Gao, Robert L. Price, John W. Baynes, Matthew C. Kostek, Lydia E. Matesic, James A. Carson
Il-6 Regulation On Skeletal Muscle Mitochondrial Remodeling During Cancer Cachexia In The ApcMin/+ Mouse, James P. White, Melissa J. Puppa, Shuichi Sato, Song Gao, Robert L. Price, John W. Baynes, Matthew C. Kostek, Lydia E. Matesic, James A. Carson
Faculty Publications
BACKGROUND:
Muscle protein turnover regulation during cancer cachexia is being rapidly defined, and skeletal muscle mitochondria function appears coupled to processes regulating muscle wasting. Skeletal muscle oxidative capacity and the expression of proteins regulating mitochondrial biogenesis and dynamics are disrupted in severely cachectic ApcMin/+ mice. It has not been determined if these changes occur at the onset of cachexia and are necessary for the progression of muscle wasting. Exercise and anti-cytokine therapies have proven effective in preventing cachexia development in tumor bearing mice, while their effect on mitochondrial content, biogenesis and dynamics is not well understood. The purposes of …
The Mechanical Properties Of Epoxy Composites Filled With Rubbery Copolymer Grafted Sio2, Jianing Gao, Junting Li, Brian C. Benicewicz, Su Zhao, Henrik Hillborg, Linda S. Schadler
The Mechanical Properties Of Epoxy Composites Filled With Rubbery Copolymer Grafted Sio2, Jianing Gao, Junting Li, Brian C. Benicewicz, Su Zhao, Henrik Hillborg, Linda S. Schadler
Faculty Publications
This study demonstrated a method for toughening a highly crosslinked anhydride cured DGEBA epoxy using rubbery block copolymer grafted SiO2 nanoparticles. The particles were synthesized by a sequential reversible addition-fragmentation chain transfer (RAFT) polymerization. The inner rubbery block poly(n-hexyl methacrylate) (PHMA) had a glass transition temperature below room temperature. The outer block poly(glycidyl methacrylate) (PGMA) was matrix compatible. A rubbery interlayer thickness of 100% and 200% of the particle core radius was achieved by grafting a 20 kg/mol and a 40 kg/mol PHMA at a graft density of 0.7 chains/nm2 from the SiO2 surface. The 20 kg/mol rubbery …
Why Do We Collect?, Allison Marsh
Why Do We Collect?, Allison Marsh
Section 2: Imaging the Microscopic
No abstract provided.
Imaging And Aesthetics, Allison Marsh
Imaging And Aesthetics, Allison Marsh
Section 2: Imaging the Microscopic
No abstract provided.
A Crossword Puzzle For Kids, Allison Marsh
An Exhibit Wordle, Allison Marsh
Word Find, Allison Marsh
Lesson Plans, Activities, And Further Reading, Allison Marsh
Lesson Plans, Activities, And Further Reading, Allison Marsh
Handouts
No abstract provided.
Images From The Exhibit, Page 2, Allison Marsh
Images From The Exhibit, Page 1, Allison Marsh
Capturing Motion, Allison Marsh
Capturing Motion, Allison Marsh
Section 3: Imaging the Fast Moving
No abstract provided.
Understanding Fracture, Allison Marsh
Understanding Fracture, Allison Marsh
Section 3: Imaging the Fast Moving
No abstract provided.
Listen, Allison Marsh
Photographic Evidence, Allison Marsh
Photographic Evidence, Allison Marsh
Section 3: Imaging the Fast Moving
No abstract provided.
Spotlight On Usc: Mechanical Engineering, Allison Marsh
Spotlight On Usc: Mechanical Engineering, Allison Marsh
Section 3: Imaging the Fast Moving
No abstract provided.
Usc Image Center, Allison Marsh
Powers Of Ten, Allison Marsh
Wall_1.6 — Acknowledgements, Allison Marsh
Wall_1.6 — Acknowledgements, Allison Marsh
Section 1: Introduction
No abstract provided.
Questioning Images, Allison Marsh
How Small Is Small?, Allison Marsh
Title Panel, Allison Marsh
Imaging In 3-D, Allison Marsh
Influencing Art, Allison Marsh
Influencing Art, Allison Marsh
Section 3: Imaging the Fast Moving
No abstract provided.
Spotlight On Usc: A.C. Moore Herbarium, Allison Marsh
Spotlight On Usc: A.C. Moore Herbarium, Allison Marsh
Section 2: Imaging the Microscopic
No abstract provided.
Observing The Minuscule, Allison Marsh
Observing The Minuscule, Allison Marsh
Section 2: Imaging the Microscopic
No abstract provided.
Table Of Contents
Journal of the South Carolina Academy of Science
No abstract provided.