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Jamie zhou

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https://www.readbyqxmd.com/read/28426197/photoluminescence-segmentation-within-individual-hexagonal-monolayer-tungsten-disulfide-domains-grown-by-chemical-vapor-deposition
#1
Yuewen Sheng, Xiaochen Wang, Kazunori Fujisawa, Siqi Ying, Ana Laura Elias, Zhong Lin, Wenshuo Xu, Yingqiu Zhou, Alexander M Korsunsky, Harish Bhaskaran, Mauricio Terrones, Jamie H Warner
We show that hexagonal domains of monolayer tungsten disulfide (WS2) grown by chemical vapor deposition (CVD) with powder precursors can have discrete segmentation in their photoluminescence (PL) emission intensity, forming symmetric patterns with alternating bright and dark regions. Two-dimensional maps of the PL reveal significant reduction within the segments associated with the longest sides of the hexagonal domains. Analysis of the PL spectra shows differences in the exciton to trion ratio, indicating variations in the exciton recombination dynamics...
April 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28282485/contribution-of-mutations-in-known-mendelian-glaucoma-genes-to-advanced-early-onset-primary-open-angle-glaucoma
#2
Tiger Zhou, Emmanuelle Souzeau, Owen M Siggs, John Landers, Richard Mills, Ivan Goldberg, Paul R Healey, Stuart Graham, Alex W Hewitt, David A Mackey, Anna Galanopoulos, Robert J Casson, Jonathan B Ruddle, Jonathan Ellis, Paul Leo, Matthew A Brown, Stuart MacGregor, Shiwani Sharma, Kathryn P Burdon, Jamie E Craig
Purpose: Primary open-angle glaucoma (POAG) and primary congenital glaucoma (PCG) with Mendelian inheritance are caused by mutations in at least nine genes. Utilizing whole-exome sequencing, we examined the disease burden accounted for by these known Mendelian glaucoma genes in a cohort of individuals with advanced early-onset POAG. Methods: The cases exhibited advanced POAG with young age of diagnosis. Cases and examined local controls were subjected to whole-exome sequencing...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28264060/whole-exome-sequencing-implicates-eye-development-the-unfolded-protein-response-and-plasma-membrane-homeostasis-in-primary-open-angle-glaucoma
#3
Tiger Zhou, Emmanuelle Souzeau, Shiwani Sharma, John Landers, Richard Mills, Ivan Goldberg, Paul R Healey, Stuart Graham, Alex W Hewitt, David A Mackey, Anna Galanopoulos, Robert J Casson, Jonathan B Ruddle, Jonathan Ellis, Paul Leo, Matthew A Brown, Stuart MacGregor, David J Lynn, Kathryn P Burdon, Jamie E Craig
PURPOSE: To identify biological processes associated with POAG and its subtypes, high-tension (HTG) and normal-tension glaucoma (NTG), by analyzing rare potentially damaging genetic variants. METHODS: A total of 122 and 65 unrelated HTG and NTG participants, respectively, with early onset advanced POAG, 103 non-glaucoma controls and 993 unscreened ethnicity-matched controls were included in this study. Study participants without myocilin disease-causing variants and non-glaucoma controls were subjected to whole exome sequencing on an Illumina HiSeq2000...
2017: PloS One
https://www.readbyqxmd.com/read/28073927/new-insights-into-the-genetics-of-primary-open-angle-glaucoma-based-on-meta-analyses-of-intraocular-pressure-and-optic-disc-characteristics
#4
Henriët Springelkamp, Adriana I Iglesias, Aniket Mishra, René Höhn, Robert Wojciechowski, Anthony P Khawaja, Abhishek Nag, Ya Xing Wang, Jie Jin Wang, Gabriel Cuellar-Partida, Jane Gibson, Jessica N Cooke Bailey, Eranga N Vithana, Puya Gharahkhani, Thibaud Boutin, Wishal D Ramdas, Tanja Zeller, Robert N Luben, Ekaterina Yonova-Doing, Ananth C Viswanathan, Seyhan Yazar, Angela J Cree, Jonathan L Haines, Jia Yu Koh, Emmanuelle Souzeau, James F Wilson, Najaf Amin, Christian Müller, Cristina Venturini, Lisa S Kearns, Jae Hee Kang, Yih Chung Tham, Tiger Zhou, Elisabeth M van Leeuwen, Stefan Nickels, Paul Sanfilippo, Jiemin Liao, Herma van der Linde, Wanting Zhao, Leonieke M E van Koolwijk, Li Zheng, Fernando Rivadeneira, Mani Baskaran, Sven J van der Lee, Shamira Perera, Paulus T V M de Jong, Ben A Oostra, André G Uitterlinden, Qiao Fan, Albert Hofman, E-Shyong Tai, Johannes R Vingerling, Xueling Sim, Roger C W Wolfs, Yik Ying Teo, Hans G Lemij, Chiea Chuen Khor, Rob Willemsen, Karl J Lackner, Tin Aung, Nomdo M Jansonius, Grant Montgomery, Philipp S Wild, Terri L Young, Kathryn P Burdon, Pirro G Hysi, Louis R Pasquale, Tien Yin Wong, Caroline C W Klaver, Alex W Hewitt, Jost B Jonas, Paul Mitchell, Andrew J Lotery, Paul J Foster, Veronique Vitart, Norbert Pfeiffer, Jamie E Craig, David A Mackey, Christopher J Hammond, Janey L Wiggs, Ching-Yu Cheng, Cornelia M van Duijn, Stuart MacGregor
Primary open-angle glaucoma (POAG), the most common optic neuropathy, is a heritable disease. Siblings of POAG cases have a ten-fold increased risk of developing the disease. Intraocular pressure (IOP) and optic nerve head characteristics are used clinically to predict POAG risk. We conducted a genome-wide association meta-analysis of IOP and optic disc parameters and validated our findings in multiple sets of POAG cases and controls. Using imputation to the 1000 genomes (1000G) reference set, we identified 9 new genomic regions associated with vertical cup-disc ratio (VCDR) and 1 new region associated with IOP...
January 15, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28051092/one-dimensional-organic-lead-halide-perovskites-with-efficient-bluish-white-light-emission
#5
Zhao Yuan, Chenkun Zhou, Yu Tian, Yu Shu, Joshua Messier, Jamie C Wang, Lambertus J van de Burgt, Konstantinos Kountouriotis, Yan Xin, Ethan Holt, Kirk Schanze, Ronald Clark, Theo Siegrist, Biwu Ma
Organic-inorganic hybrid metal halide perovskites, an emerging class of solution processable photoactive materials, welcome a new member with a one-dimensional structure. Herein we report the synthesis, crystal structure and photophysical properties of one-dimensional organic lead bromide perovskites, C4N2H14PbBr4, in which the edge sharing octahedral lead bromide chains [PbBr4 (2-)]∞ are surrounded by the organic cations C4N2H14 (2+) to form the bulk assembly of core-shell quantum wires. This unique one-dimensional structure enables strong quantum confinement with the formation of self-trapped excited states that give efficient bluish white-light emissions with photoluminescence quantum efficiencies of approximately 20% for the bulk single crystals and 12% for the microscale crystals...
January 4, 2017: Nature Communications
https://www.readbyqxmd.com/read/28039579/discordance-of-somatic-mutations-between-asian-and-caucasian-patient-populations-with-gastric-cancer
#6
Feifei Jia, Jamie K Teer, Todd C Knepper, Jae K Lee, Hong-Hao Zhou, Yi-Jing He, Howard L McLeod
BACKGROUND: Differences in response to cancer treatments have been observed among racially and ethnically diverse gastric cancer (GC) patient populations. In the era of targeted therapy, mutation profiling of cancer is a crucial aspect of making therapeutic decisions. Mapping driver gene mutations for the GC patient population as a whole has significant potential to advance precision therapy. METHODS: GC patients with sequencing data (N = 473) were obtained from The Cancer Genome Atlas (TCGA; n = 295), Moffitt Cancer Center Total Cancer Care™ (TCC; n = 33), and three published studies (n = 145)...
April 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/27934195/negative-electro-conductance-in-suspended-2d-ws2-nanoscale-devices
#7
Ye Fan, Alex W Robertson, Xiaowei Zhang, Martin Tweedie, Yingqiu Zhou, Mark H Rummeli, Haimei Zheng, Jamie H Warner
We study the in situ electro-conductance in nanoscale electronic devices composed of suspended monolayer WS2 with metal electrodes inside an aberration-corrected transmission electron microscope. Monitoring the conductance changes when the device is exposed to the electron beam of 80 keV energy reveals a reversible decrease in conductivity with increasing beam current density. The response time of the electro-conductance when exposed to the electron beam is substantially faster than the recovery time when the beam is turned off...
December 7, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27899527/biased-agonists-of-the-kappa-opioid-receptor-suppress-pain-and-itch-without-causing-sedation-or-dysphoria
#8
Tarsis F Brust, Jenny Morgenweck, Susy A Kim, Jamie H Rose, Jason L Locke, Cullen L Schmid, Lei Zhou, Edward L Stahl, Michael D Cameron, Sarah M Scarry, Jeffrey Aubé, Sara R Jones, Thomas J Martin, Laura M Bohn
Agonists targeting the kappa opioid receptor (KOR) have been promising therapeutic candidates because of their efficacy for treating intractable itch and relieving pain. Unlike typical opioid narcotics, KOR agonists do not produce euphoria or lead to respiratory suppression or overdose. However, they do produce dysphoria and sedation, side effects that have precluded their clinical development as therapeutics. KOR signaling can be fine-tuned to preferentially activate certain pathways over others, such that agonists can bias signaling so that the receptor signals through G proteins rather than other effectors such as βarrestin2...
November 29, 2016: Science Signaling
https://www.readbyqxmd.com/read/27896285/rare-variants-in-optic-disc-area-gene-card10-enriched-in-primary-open-angle-glaucoma
#9
Tiger Zhou, Emmanuelle Souzeau, Shiwani Sharma, Owen M Siggs, Ivan Goldberg, Paul R Healey, Stuart Graham, Alex W Hewitt, David A Mackey, Robert J Casson, John Landers, Richard Mills, Jonathan Ellis, Paul Leo, Matthew A Brown, Stuart MacGregor, Kathryn P Burdon, Jamie E Craig
BACKGROUND: Genome-wide association studies (GWAS) have identified association of common alleles with primary open-angle glaucoma (POAG) and its quantitative endophenotypes near numerous genes. This study aims to determine whether rare pathogenic variants in these disease-associated genes contribute to POAG. METHODS: Participants fulfilled strict inclusion criteria of advanced POAG at a young age of diagnosis. Myocilin mutation carriers were excluded using direct sequencing...
November 2016: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/27440384/ultrathin-2d-photodetectors-utilizing-chemical-vapor-deposition-grown-ws2-with-graphene-electrodes
#10
Haijie Tan, Ye Fan, Yingqiu Zhou, Qu Chen, Wenshuo Xu, Jamie H Warner
In this report, graphene (Gr) is used as a 2D electrode and monolayer WS2 as the active semiconductor in ultrathin photodetector devices. All of the 2D materials are grown by chemical vapor deposition (CVD) and thus pose as a viable route to scalability. The monolayer thickness of both electrode and semiconductor gives these photodetectors ∼2 nm thickness. We show that graphene is different to conventional metal (Au) electrodes due to the finite density of states from the Dirac cones of the valence and conduction bands, which enables the photoresponsivity to be modulated by electrostatic gating and light input control...
August 23, 2016: ACS Nano
https://www.readbyqxmd.com/read/27391980/a-novel-magnetic-resonance-imaging-segmentation-technique-for-determining-diffuse-intrinsic-pontine-glioma-tumor-volume
#11
Ranjodh Singh, Zhiping Zhou, Jamie Tisnado, Sofia Haque, Kyung K Peck, Robert J Young, Apostolos John Tsiouris, Sunitha B Thakur, Mark M Souweidane
OBJECTIVE Accurately determining diffuse intrinsic pontine glioma (DIPG) tumor volume is clinically important. The aims of the current study were to 1) measure DIPG volumes using methods that require different degrees of subjective judgment; and 2) evaluate interobserver agreement of measurements made using these methods. METHODS Eight patients from a Phase I clinical trial testing convection-enhanced delivery (CED) of a therapeutic antibody were included in the study. Pre-CED, post-radiation therapy axial T2-weighted images were analyzed using 2 methods requiring high degrees of subjective judgment (picture archiving and communication system [PACS] polygon and Volume Viewer auto-contour methods) and 1 method requiring a low degree of subjective judgment (k-means clustering segmentation) to determine tumor volumes...
November 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27367510/genetic-association-at-the-9p21-glaucoma-locus-contributes-to-sex-bias-in-normal-tension-glaucoma
#12
Soo Khai Ng, Kathryn P Burdon, Jude T Fitzgerald, Tiger Zhou, Rhys Fogarty, Emmanuelle Souzeau, John Landers, Richard A Mills, Robert J Casson, Bronwyn Ridge, Stuart L Graham, Alex W Hewitt, David A Mackey, Paul R Healey, Jie Jin Wang, Paul Mitchell, Stuart MacGregor, Jamie E Craig
PURPOSE: Many genome-wide association studies have identified common single nucleotide polymorphisms (SNPs) at the 9p21 glaucoma locus (CDKN2B/CDKN2B-AS1) to be significantly associated with primary open-angle glaucoma (POAG), with association being stronger in normal tension glaucoma (NTG) and advanced glaucoma. We aimed to determine whether any observed differences in genetic association at the 9p21 locus are influenced by sex. METHODS: Sex was assessed as a risk factor for POAG for 2241 glaucoma participants from the Australian and New Zealand Registry of Advanced Glaucoma, the Glaucoma Inheritance Study in Tasmania, and the Flinders Medical Centre...
June 1, 2016: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/27363782/construction-of-local-gene-network-for-revealing-different-liver-function-of-rats-fed-deep-fried-oil-with-or-without-resistant-starch
#13
COMPARATIVE STUDY
Zhiwei Wang, Tianqi Liao, Zhongkai Zhou, Yuyang Wang, Yongjia Diao, Padraig Strappe, Paul Prenzler, Jamie Ayton, Chris Blanchard
To study the mechanism underlying the liver damage induced by deep-fried oil (DO) consumption and the beneficial effects from resistant starch (RS) supplement, differential gene expression and pathway network were analyzed based on RNA sequencing data from rats. The up/down regulated genes and corresponding signaling pathways were used to construct a novel local gene network (LGN). The topology of the network showed characteristics of small-world network, with some pathways demonstrating a high degree. Some changes in genes led to a larger probability occurrence of disease or infection with DO intake...
September 6, 2016: Toxicology Letters
https://www.readbyqxmd.com/read/27295362/revealing-defect-state-photoluminescence-in-monolayer-ws2-by-cryogenic-laser-processing
#14
Zhengyu He, Xiaochen Wang, Wenshuo Xu, Yingqiu Zhou, Yuewen Sheng, Youmin Rong, Jason M Smith, Jamie H Warner
Understanding the stability of monolayer transition metal dichalcogenides in atmospheric conditions has important consequences for their handling, life-span, and utilization in applications. We show that cryogenic photoluminescence spectroscopy (PL) is a highly sensitive technique to the detection of oxidation induced degradation of monolayer tungsten disulfide (WS2) caused by exposure to ambient conditions. Although long-term exposure to atmospheric conditions causes massive degradation from oxidation that is optically visible, short-term exposure produces no obvious changes to the PL or Raman spectra measured at either room temperature or even cryogenic environment...
June 28, 2016: ACS Nano
https://www.readbyqxmd.com/read/27270174/angiopoietin-receptor-tek-mutations-underlie-primary-congenital-glaucoma-with-variable-expressivity
#15
Tomokazu Souma, Stuart W Tompson, Benjamin R Thomson, Owen M Siggs, Krishnakumar Kizhatil, Shinji Yamaguchi, Liang Feng, Vachiranee Limviphuvadh, Kristina N Whisenhunt, Sebastian Maurer-Stroh, Tammy L Yanovitch, Luba Kalaydjieva, Dimitar N Azmanov, Simone Finzi, Lucia Mauri, Shahrbanou Javadiyan, Emmanuelle Souzeau, Tiger Zhou, Alex W Hewitt, Bethany Kloss, Kathryn P Burdon, David A Mackey, Keri F Allen, Jonathan B Ruddle, Sing-Hui Lim, Steve Rozen, Khanh-Nhat Tran-Viet, Xiaorong Liu, Simon John, Janey L Wiggs, Francesca Pasutto, Jamie E Craig, Jing Jin, Susan E Quaggin, Terri L Young
Primary congenital glaucoma (PCG) is a devastating eye disease and an important cause of childhood blindness worldwide. In PCG, defects in the anterior chamber aqueous humor outflow structures of the eye result in elevated intraocular pressure (IOP); however, the genes and molecular mechanisms involved in the etiology of these defects have not been fully characterized. Previously, we observed PCG-like phenotypes in transgenic mice that lack functional angiopoietin-TEK signaling. Herein, we identified rare TEK variants in 10 of 189 unrelated PCG families and demonstrated that each mutation results in haploinsufficiency due to protein loss of function...
July 1, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27121709/deep-fried-oil-consumption-in-rats-impairs-glycerolipid-metabolism-gut-histology-and-microbiota-structure
#16
Zhongkai Zhou, Yuyang Wang, Yumei Jiang, Yongjia Diao, Padraig Strappe, Paul Prenzler, Jamie Ayton, Chris Blanchard
BACKGROUND: Deep frying in oil is a popular cooking method around the world. However, the safety of deep-fried edible oil, which is ingested with fried food, is a concern, because the oil is exposed continuously to be re-used at a high temperature, leading to a number of well-known chemical reactions. Thus, this study investigates the changes in energy metabolism, colon histology and gut microbiota in rats following deep-fried oil consumption and explores the mechanisms involved in above alterations...
2016: Lipids in Health and Disease
https://www.readbyqxmd.com/read/27077228/isatin-derived-spirocyclic-analogues-with-%C3%AE-methylene-%C3%AE-butyrolactone-as-anticancer-agents-a-structure-activity-relationship-study
#17
Sandeep Rana, Elizabeth C Blowers, Calvin Tebbe, Jacob I Contreras, Prakash Radhakrishnan, Smitha Kizhake, Tian Zhou, Rajkumar N Rajule, Jamie L Arnst, Adnan R Munkarah, Ramandeep Rattan, Amarnath Natarajan
Design, synthesis, and evaluation of α-methylene-γ-butyrolactone analogues and their evaluation as anticancer agents is described. SAR identified a spirocyclic analogue 19 that inhibited TNFα-induced NF-κB activity, cancer cell growth and tumor growth in an ovarian cancer model. A second iteration of synthesis and screening identified 29 which inhibited cancer cell growth with low-μM potency. Our data suggest that an isatin-derived spirocyclic α-methylene-γ-butyrolactone is a suitable core for optimization to identify novel anticancer agents...
May 26, 2016: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27020472/meta-analysis-of-gene-environment-wide-association-scans-accounting-for-education-level-identifies-additional-loci-for-refractive-error
#18
Qiao Fan, Virginie J M Verhoeven, Robert Wojciechowski, Veluchamy A Barathi, Pirro G Hysi, Jeremy A Guggenheim, René Höhn, Veronique Vitart, Anthony P Khawaja, Kenji Yamashiro, S Mohsen Hosseini, Terho Lehtimäki, Yi Lu, Toomas Haller, Jing Xie, Cécile Delcourt, Mario Pirastu, Juho Wedenoja, Puya Gharahkhani, Cristina Venturini, Masahiro Miyake, Alex W Hewitt, Xiaobo Guo, Johanna Mazur, Jenifer E Huffman, Katie M Williams, Ozren Polasek, Harry Campbell, Igor Rudan, Zoran Vatavuk, James F Wilson, Peter K Joshi, George McMahon, Beate St Pourcain, David M Evans, Claire L Simpson, Tae-Hwi Schwantes-An, Robert P Igo, Alireza Mirshahi, Audrey Cougnard-Gregoire, Céline Bellenguez, Maria Blettner, Olli Raitakari, Mika Kähönen, Ilkka Seppala, Tanja Zeller, Thomas Meitinger, Janina S Ried, Christian Gieger, Laura Portas, Elisabeth M van Leeuwen, Najaf Amin, André G Uitterlinden, Fernando Rivadeneira, Albert Hofman, Johannes R Vingerling, Ya Xing Wang, Xu Wang, Eileen Tai-Hui Boh, M Kamran Ikram, Charumathi Sabanayagam, Preeti Gupta, Vincent Tan, Lei Zhou, Candice E H Ho, Wan'e Lim, Roger W Beuerman, Rosalynn Siantar, E-Shyong Tai, Eranga Vithana, Evelin Mihailov, Chiea-Chuen Khor, Caroline Hayward, Robert N Luben, Paul J Foster, Barbara E K Klein, Ronald Klein, Hoi-Suen Wong, Paul Mitchell, Andres Metspalu, Tin Aung, Terri L Young, Mingguang He, Olavi Pärssinen, Cornelia M van Duijn, Jie Jin Wang, Cathy Williams, Jost B Jonas, Yik-Ying Teo, David A Mackey, Konrad Oexle, Nagahisa Yoshimura, Andrew D Paterson, Norbert Pfeiffer, Tien-Yin Wong, Paul N Baird, Dwight Stambolian, Joan E Bailey Wilson, Ching-Yu Cheng, Christopher J Hammond, Caroline C W Klaver, Seang-Mei Saw, Jugnoo S Rahi, Jean-François Korobelnik, John P Kemp, Nicholas J Timpson, George Davey Smith, Jamie E Craig, Kathryn P Burdon, Rhys D Fogarty, Sudha K Iyengar, Emily Chew, Sarayut Janmahasatian, Nicholas G Martin, Stuart MacGregor, Liang Xu, Maria Schache, Vinay Nangia, Songhomitra Panda-Jonas, Alan F Wright, Jeremy R Fondran, Jonathan H Lass, Sheng Feng, Jing Hua Zhao, Kay-Tee Khaw, Nick J Wareham, Taina Rantanen, Jaakko Kaprio, Chi Pui Pang, Li Jia Chen, Pancy O Tam, Vishal Jhanji, Alvin L Young, Angela Döring, Leslie J Raffel, Mary-Frances Cotch, Xiaohui Li, Shea Ping Yip, Maurice K H Yap, Ginevra Biino, Simona Vaccargiu, Maurizio Fossarello, Brian Fleck, Seyhan Yazar, Jan Willem L Tideman, Milly Tedja, Margaret M Deangelis, Margaux Morrison, Lindsay Farrer, Xiangtian Zhou, Wei Chen, Nobuhisa Mizuki, Akira Meguro, Kari Matti Mäkelä
Myopia is the most common human eye disorder and it results from complex genetic and environmental causes. The rapidly increasing prevalence of myopia poses a major public health challenge. Here, the CREAM consortium performs a joint meta-analysis to test single-nucleotide polymorphism (SNP) main effects and SNP × education interaction effects on refractive error in 40,036 adults from 25 studies of European ancestry and 10,315 adults from 9 studies of Asian ancestry. In European ancestry individuals, we identify six novel loci (FAM150B-ACP1, LINC00340, FBN1, DIS3L-MAP2K1, ARID2-SNAT1 and SLC14A2) associated with refractive error...
March 29, 2016: Nature Communications
https://www.readbyqxmd.com/read/26998552/redox-capacity-of-an-extracellular-matrix-protein-associated-with-adhesion-in-mytilus-californianus
#19
Sascha C T Nicklisch, Jamie E Spahn, Hongjun Zhou, Cristina M Gruian, J Herbert Waite
Adhesive mussel foot proteins (Mfps) rely in part on DOPA (3,4-dihydroxyphenyl-l-alanine) side chains to mediate attachment to mineral surfaces underwater. Oxidation of DOPA to Dopaquinone (Q) effectively abolishes the adsorption of Mfps to these surfaces. The thiol-rich mussel foot protein-6 (Mfp-6) rescues adhesion compromised by adventitious DOPA oxidation by reducing Q back to DOPA. The redox chemistry and kinetics of foot-extracted Mfp-6 were investigated by using a nonspecific chromogenic probe to equilibrate with the redox pool...
April 5, 2016: Biochemistry
https://www.readbyqxmd.com/read/26950637/application-of-a-multi-method-approach-in-characterization-of-natural-aquatic-colloids-from-different-sources-along-huangpu-river-in-shanghai-china
#20
Caixia Yan, Minghua Nie, Jamie R Lead, Yi Yang, Junliang Zhou, Ruth Merrifield, Mohammed Baalousha
Natural colloid properties and the impact of human activities on these properties are important considerations for studies seeking to understand the fate and transport of pollutants. In this study, the relationship between size and fluorescence properties of natural colloids from 4 different sources were quantified using a multi-method analytical approach including UV-visible and fluorescence spectroscopy, flow field flow fractionation (FlFFF) coupled online to fluorescence spectrometer, and atomic force microscopy (AFM)...
June 1, 2016: Science of the Total Environment
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