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1. CD8low T-cell subpopulation is increased in patients with chronic hepatitis B virus infection

Author:
Ouyang, Lichen; Li, Xiaoyi; Liang, Zhihui; Yang, Daofeng; Gong, Feili; Shen, Guanxin; Weng, Xiufang; Wu, Xiongwen
Source:
Molecular Immunology 2013 v.56 pp. 698-704
ISSN:
0161-5890
Subject:
CD8-positive T-lymphocytes; Hepatitis B virus; Human immunodeficiency virus; chronic hepatitis B; correlation; disease severity; gene expression regulation; interferon-gamma; parasites; patients; phenotype
Abstract:
... Recent studies suggest that CD8+ T cells with down-regulated CD8 expression (CD3+CD8low T cells) represented as a distinct phenotype of CD8+ T cells are increased and linked to disease severity in some chronically persistent infection, such as chronic HIV and parasite infection. However, the role of CD3+CD8low T cells in the context of chronic HBV infection is poorly understood. In this study, per ...
DOI:
10.1016/j.molimm.2013.07.003

2. Foliicolous lichenized fungi of lowland Amazon forests in Pando, Bolivia

Author:
Flakus, Adam
Source:
Polish Botanical Journal 2013 v.58 no.2 pp. 539-554
ISSN:
2084-4352
Subject:
Trichothelium; correlation; forest health; lichens; Anisomeridium; tropical forests; Strigula; fungi; species diversity; forest types; Neotropics; Coenogonium; Porina (Genus); Bolivia; Amazonia
Abstract:
... Foliicolous lichens are an important component of lowland tropical forests and are useful bioindicators of vegetation continuity or forest health. This study of these fungi in lowland Bolivian Amazon forests of Pando Department revealed the presence of 180 species, 101 of which are reported as new for Bolivia. The following 15 species are mentioned for the first time from South America: Anisomerid ...
DOI:
10.2478/pbj-2013-0063

3. When Males Are Larger than Females in Ecthotherms: Reproductive Investment in the Eastern Spadefoot Toad Pelobates syriacus

Author:
Cogălniceanu, Dan; Székely, Paul; Székely, Diana; Roşioru, Daniela; Băncilă, Raluca I.; Miaud, Claude
Source:
Copeia 2013 v.2013 no.4 pp. 699-706
ISSN:
0045-8511
Subject:
adults; body length; clutch size; conservation areas; correlation; eggs; environmental factors; females; growth factors; life history; males; river deltas; toads; Romania
Abstract:
... The way animals allocate resources to growth and reproduction is of major importance in understanding life-history trade-offs. Because the investment in reproduction of the two sexes differs, comparing the costs and the reproductive strategies adopted offers an insight into the evolutionary forces that shaped them. In the Eastern Spadefoot Toad, Pelobates syriacus the males are larger than females ...
DOI:
10.1643/CE-12-053

4. Associations between serum hepcidin, ferritin and Hb concentrations and type 2 diabetes risks in a Han Chinese population

Author:
Guo, Xin; Zhou, Daizhan; An, Peng; Wu, Qian; Wang, Hao; Wu, Aimin; Mu, Mingdao; Zhang, Di; Zhang, Zhou; Wang, Hui; He, Lin; Liu, Yun; Wang, Fudi
Source:
The British journal of nutrition 2013 v.110 no.12 pp. 2180-2185
ISSN:
1475-2662
Subject:
Chinese people; blood serum; case-control studies; correlation; ferritin; glucose; hepcidin; homeostasis; iron; iron absorption; linear models; metabolism; noninsulin-dependent diabetes mellitus; regression analysis; risk factors
Abstract:
... Systemic Fe overload can contribute to abnormal glucose metabolism and the onset of type 2 diabetes (T2D). Although hepcidin is the master regulator of systemic Fe homeostasis, few studies have systematically evaluated the associations of serum hepcidin concentrations with Fe metabolism parameters and risks for the development of T2D. In this regard, whether hepcidin concentrations are associated ...
DOI:
10.1017/S0007114513001827
PubMed:
23742704

5. Relationship between Male Age, Accessory Gland, Sperm Transferred, and Fitness Traits in Drosophila bipectinata

Author:
Santhosh, H. T.; Krishna, M. S.
Source:
Journal of insect science 2013 v.13 no.159 pp. 1-14
ISSN:
1536-2442
Subject:
Drosophila; copulation; correlation; fecundity; females; males; proteins; spermatozoa
Abstract:
... The number of cells and the size of the cells in the male accessory gland, the quantity of accessory gland proteins, and their effects on fitness in males of different ages were studied in Drosophila bipectinata Duda (Diptera: Drosophilidae). Male age was significantly positively correlated with the size of accessory gland, the number of main cells of the accessory gland, the quantity of protein i ...
DOI:
10.1673/031.013.15901
PubMed:
24785586
PubMed Central:
PMC4015407

6. Visualization of repetitive DNA sequences in human chromosomes with transcription activator-like effectors

Author:
Ma, Hanhui; Reyes-Gutierrez, Pablo; Pederson, Thoru
Source:
Proceedings of the National Academy of Sciences of the United States of America 2013 v.110 no.52 pp. 21048-21053
ISSN:
0027-8424
Subject:
DNA; correlation; flow cytometry; fluorescent proteins; genome; humans; image analysis; nucleotide sequences; osteosarcoma; telomeres
Abstract:
... We describe a transcription activator-like effector (TALE)-based strategy, termed “TALEColor,” for labeling specific repetitive DNA sequences in human chromosomes. We designed TALEs for the human telomeric repeat and fused them with any of numerous fluorescent proteins (FPs). Expression of these TALE–telomere–FP fusion proteins in human osteosarcoma's (U2OS) cells resulted in bright signals coinci ...
DOI:
10.1073/pnas.1319097110
PubMed:
24324157
PubMed Central:
PMC3876203

7. A correlation analysis of monthly mean CO2 retrieved from the Atmospheric Infrared Sounder with surface station measurements

Author:
Zhou, Cong; Shi, Runhe; Liu, Chaoshun; Gao, Wei
Source:
International journal of remote sensing 2013 v.34 no.24 pp. 8710-8723
ISSN:
1366-5901
Subject:
air; altitude; carbon dioxide; correlation; greenhouse gases; humans; latitude; longitude; remote sensing
Abstract:
... As one of the major greenhouse gases, atmospheric carbon dioxide (CO ₂) concentrations have been monitored by both top-down satellite observations and air sampling systems on surface stations. The Atmospheric Infrared Sounder (AIRS) on board NASA’s Aqua low Earth orbit (LEO) satellite is a high-resolution infrared sounder that has been in operation for more than 10 years. The World Data Centre for ...
DOI:
10.1080/01431161.2013.847295

8. Damage assessment in urban areas using post-earthquake airborne PolSAR imagery

Author:
Zhao, Lingli; Yang, Jie; Li, Pingxiang; Zhang, Liangpei; Shi, Lei; Lang, Fengkai
Source:
International journal of remote sensing 2013 v.34 no.24 pp. 8952-8966
ISSN:
1366-5901
Subject:
buildings; correlation; earthquakes; flight; polarimetry; remote sensing; synthetic aperture radar; texture; urban areas; China
Abstract:
... Synthetic aperture radar (SAR) has often been used in earthquake damage assessment due to its extreme versatility and almost all-weather, day-and-night capability. In this article, we demonstrate the potential to use only post-event, high-resolution airborne polarimetric SAR (PolSAR) imagery to estimate the damage level at the block scale. Intact buildings with large orientation angles have a simi ...
DOI:
10.1080/01431161.2013.860566

9. Determination of off-flavor compounds, 2-methylisoborneol and geosmin, in salmon fillets using stir bar sorptive extraction–thermal desorption coupled with gas chromatography–mass spectrometry

Author:
Ruan, E.D.; Aalhus, J.L.; Summerfelt, S.T.; Davidson, J.; Swift, B.; Juárez, M.
Source:
Journal of chromatography 2013 v.1321 pp. 133-136
ISSN:
0021-9673
Subject:
2-methylisoborneol; correlation; desorption; detection limit; fillets; gas chromatography-mass spectrometry; geosmin; off flavors; salmon; solid phase microextraction
Abstract:
... A sensitive and solvent-less method for the determination of musty and earthy off-flavor compounds, 2-methylisoborneol (MIB) and geosmin (GSM), in salmon tissue was developed using stir bar sorptive extraction–thermal desorption coupled with gas chromatography–mass spectrometry (SBSE–TD–GCMS). MIB and GSM were solid phase extracted using polydimethylsiloxane (PDMS) coated stir bars, analyzed by ga ...
DOI:
10.1016/j.chroma.2013.10.038
Chorus Open Access:
10.1016/j.chroma.2013.10.038

10. Evaluating multiple colour-producing agents in Case II waters from Lake Erie

Author:
Ortiz, Joseph D.; Witter, Donna L.; Ali, Khalid Adem; Fela, Nathan; Duff, Michael; Mills, Lonnie
Source:
International journal of remote sensing 2013 v.34 no.24 pp. 8854-8880
ISSN:
1366-5901
Subject:
equipment; watersheds; phycocyanin; extinction; remote sensing; reflectance; Bacillariophyceae; correlation; suspended sediment; lakes; ecosystems; principal component analysis; Chlorophyta; eutrophication; algorithms; experimental design; absorption; aquatic environment; Cyanobacteria; Lake Erie; North America
Abstract:
... Lake Erie is part of the Great Lakes systems in North America, which represent the largest continental lake systems in the world. Anthropogenic eutrophication in the Western Basin of Lake Erie, a Case II environment, has an adverse impact on the surrounding ecosystems and the regional economy. The optical complexity found in Lake Erie is a feature of many aquatic environments making it a challengi ...
DOI:
10.1080/01431161.2013.853892

11. Reproductive output in Mediterranean shrubs under climate change experimentally induced by drought and warming

Author:
del Cacho, Montserrat; Peñuelas, Josep; Lloret, Francisco
Source:
Perspectives in plant ecology, evolution and systematics 2013 v.15 no.6 pp. 319-327
ISSN:
1433-8319
Subject:
Dorycnium; Erica multiflora; Helianthemum; climate; climate change; correlation; drought; environmental factors; equations; flowering; flowers; fruit set; interspecific variation; models; phenology; reproductive performance; reproductive traits; seed germination; seed set; seeds; shrublands; shrubs; temperature; viability; woody plants
Abstract:
... The effects of climate change on plant reproductive performance affects the sequence of different plant reproductive stages from flowering to seed production and viability, as well as the network of relationships between them. These effects are expected to respond to different components of climate change, such as temperature and water availability, and may be sensitive to differences in species p ...
DOI:
10.1016/j.ppees.2013.07.001

12. Arbuscular mycorrhiza of Deschampsia cespitosa (Poaceae) at different soil depths in highly metal-contaminated site in southern Poland

Author:
Gucwa-Przepióra, Ewa; Błaszkowski, Janusz; Kurtyka, Renata; Małkowski, Łukasz; Małkowski, Eugeniusz
Source:
Acta Societatis Botanicorum Poloniae 2013 v.82 no.4 pp. 251-258
ISSN:
0001-6977
Subject:
Archaeospora; Deschampsia cespitosa; Glomus mosseae; Scutellospora; biogeography; cadmium; correlation; cortex; endophytes; fungi; lead; root systems; roots; soil depth; soil profiles; spores; topsoil; vesicular arbuscular mycorrhizae; zinc; Poland
Abstract:
... This study presents root colonization of Deschampsia cespitosa growing in the immediate vicinity of a former Pb/Zn smelter by arbuscular mycorhizal fungi (AMF) and dark septated endophytes (DSE) at different soil depths. AMF spores and species distribution in soil profile were also assessed. Arbuscular mycorrhiza (AM) and DSE were found in D. cespitosa roots at all investigated soil levels. Howeve ...
DOI:
10.5586/asbp.2013.033

13. Evaluation of CO2 Gasification Reactivity of Different Coal Rank Chars by Physicochemical Properties

Author:
Jing, Xuliang; Wang, Zhiqing; Zhang, Qian; Yu, Zhongliang; Li, Chunyu; Huang, Jiejie; Fang, Yitian
Source:
Energy & Fuels 2013 v.27 no.12 pp. 7287-7293
ISSN:
1520-5029
Subject:
X-ray diffraction; adsorption; carbon; carbon dioxide; coal; correlation; crystal structure; gasification; nitrogen; physicochemical properties; prediction; spectrometers; surface area; temperature; thermogravimetry
Abstract:
... The isothermal and non-isothermal CO₂ gasification of eight different coal rank chars was conducted by a thermogravimetric analyzer (TGA), and the reactivity index and peak temperature were obtained to express the gasification reactivity. In addition, the physicochemical properties of these chars, such as the alkali index, Brunauer–Emmett–Teller surface area (SBET), micropore area (Sₘᵢc), and carb ...
DOI:
10.1021/ef401639v

14. Changes in Polysaccharide Composition during Sparkling Wine Making and Aging

Author:
Martínez-Lapuente, Leticia; Guadalupe, Zenaida; Ayestarán, Belén; Ortega-Heras, Miriam; Pérez-Magariño, Silvia
Source:
Journal of agricultural and food chemistry 2013 v.61 no.50 pp. 12362-12373
ISSN:
1520-5118
Subject:
arabinose; correlation; foams; galactose; grapes; polysaccharides; principal component analysis; sensory properties; sparkling wines; winemaking; yeasts; Spain
Abstract:
... The evolution in polysaccharide composition and molecular weights during sparkling wine making and aging was studied for the first time in this work. Different autochthonous grape varieties from Spain (Verdejo, Viura, Malvası́a, Albarı́n, Godello, Garnacha and Prieto Picudo) were used to elaborate sparkling wines following the champenoise method. Principal component analysis showed differentiation ...
DOI:
10.1021/jf403059p
PubMed:
24308669

15. Effects of hyperbaric oxygen on MMP-2 and MMP-9 expression and spinal cord edema after spinal cord injury

Author:
Yang, Jing; Wang, Guozhong; Gao, Chunjin; Shao, Guiqiang; Kang, Nan
Source:
Life sciences 2013 v.93 no.25-26 pp. 1033-1038
ISSN:
0024-3205
Subject:
adults; correlation; edema; enzyme-linked immunosorbent assay; equations; gelatinase A; interleukin-6; oxygen; rats; spinal cord; therapeutics; vascular endothelial growth factors; water content
Abstract:
... AIMS: To evaluate the effects of hyperbaric oxygen (HBO) therapy on MMP-2 and MMP-9 expression and spinal cord edema after acute spinal cord injury (SCI). MAIN METHODS: Ninety-six healthy adult Sprague−Dawley rats were randomly divided into 4 groups: sham, sham+HBO, SCI, and SCI+HBO. Each group was subdivided into 4 subgroups of 6 rats each: 24h, 48h, 72h, and 5 d post-injury. The expression level ...
DOI:
10.1016/j.lfs.2013.10.015

16. Kinetic Modeling of Benzothiophene Catalytic Conversion Over a H-ZSM5 Based Catalyst

Author:
Al-Bogami, Saad A.; Moreira, Jesus; de Lasa, Hugo I.
Source:
Industrial & Engineering Chemistry Research 2013 v.52 no.50 pp. 17760-17772
ISSN:
1520-5045
Subject:
adsorption; alkanes; alkenes; aromatic compounds; catalysts; confidence interval; correlation; cracking; desulfurization; engineering; kinetics; regression analysis; temperature; zeolites
Abstract:
... This study reports a mechanistic based kinetics for the catalytic desulfurization of light diesel hydrocarbons using a zeolite catalyst based on H-ZSM5. An original “parallel” heterogeneous kinetic model assuming a Langmuir–Hinshelwood mechanism is developed. It is based on the experimental data obtained in the CREC Riser Simulator, using benzothiophene/n-dodecane mixtures at mild temperatures (35 ...
DOI:
10.1021/ie401169k

17. Postoperative pain impairs subsequent performance on a spatial memory task via effects on N-methyl-d-aspartate receptor in aged rats

Author:
Chi, Haidong; Kawano, Takashi; Tamura, Takahiko; Iwata, Hideki; Takahashi, Yasuhiro; Eguchi, Satoru; Yamazaki, Fumimoto; Kumagai, Naoko; Yokoyama, Masataka
Source:
Life sciences 2013 v.93 no.25-26 pp. 986-993
ISSN:
0024-3205
Subject:
analgesia; analgesic effect; anesthesia; antagonists; central nervous system diseases; cognition; correlation; elderly; enzyme-linked immunosorbent assay; hippocampus; isoflurane; laparotomy; memory; morphine; pain; patients; peroxidase; rats; receptors
Abstract:
... AIMS: Pain may be associated with postoperative cognitive dysfunction (POCD); however, this relationship remains underinvestigated. Therefore, we examined the impact of postoperative pain on cognitive functions in aged animals. MAIN METHODS: Rats were allocated to the following groups: control (C), 1.2 % isoflurane for 2hours alone (I), I with laparotomy (IL), IL with analgesia using local ropivac ...
DOI:
10.1016/j.lfs.2013.10.028

18. Determination of trace ethylene glycol in industrial solvents and lubricants using phenyl boronic acid derivatization and multidimensional gas chromatography

Author:
Luong, J.; Gras, R.; Cortes, H.J.; Shellie, R.A.
Source:
Analytica chimica acta 2013 v.805 pp. 101-106
ISSN:
0003-2670
Subject:
correlation; derivatization; detection limit; ethylene glycol; gas chromatography; lubricants; mass spectrometry; monitoring; oils; propylene glycol; solvents
Abstract:
... A practical gas chromatographic approach is introduced for the characterization of trace ethylene glycol in industrial solvents and lubricants. The analytical approach employs single step derivatization technique that effectively converts ethylene glycol to the cyclic boronate ester (2-phenyl-1,3,2-dioxaborolane), using phenyl boronic acid as a derivatizing reagent. The separation of the derivatiz ...
DOI:
10.1016/j.aca.2013.10.024

19. Lotus roots accumulate heavy metals independently from soil in main production regions of China

Author:
Xiong, Chunhui; Zhang, Yuyang; Xu, Xiaoguang; Lu, Yongen; Ouyang, Bo; Ye, Zhibiao; Li, Hanxia
Source:
Scientia horticulturae 2013 v.164 pp. 295-302
ISSN:
0304-4238
Subject:
Lotus; arsenic; bioaccumulation factor; cadmium; cinnamon; correlation; heavy metals; lead; mercury; pH; paddy soils; pollution; roots; sludge; vegetables; China
Abstract:
... The global issue of heavy metal pollution causes concern on lotus root, a popular aquatic vegetable grown in sludge supposedly heavily contaminated. The relevance of heavy metals in soil and lotus roots in production remains unclear. In this work, four heavy metals, lead (Pb), cadmium (Cd), mercury (Hg) and arsenic (As), in lotus roots and ambient soil from main production areas of China were dete ...
DOI:
10.1016/j.scienta.2013.09.013

20. Micropropagation using a bioreactor system and subsequent acclimatization of grape rootstock ‘5BB’

Author:
Jin, M.Y.; Piao, X.C.; Xiu, J.R.; Park, S.Y.; Lian, M.L.
Source:
Scientia horticulturae 2013 v.164 pp. 35-40
ISSN:
0304-4238
Subject:
acclimation; air; bioreactors; correlation; culture media; electrical conductivity; grapes; light intensity; micropropagation; plantlets; rootstocks; stomata; sucrose; vermiculite
Abstract:
... To improve bioreactor culture systems for the micropropagation of grape rootstock ‘5BB,’ the effects of inoculation density, air volume, and light intensity on plantlet growth were investigated. Maximum plantlet growth and proliferation were observed when 65 nodes were inoculated in a 5l balloon-type airlift bioreactor system, aerated with 150mlmin−1 air, and maintained under 50μmolm−2s−1 light in ...
DOI:
10.1016/j.scienta.2013.09.004

21. Point of Care Monitoring of Hemodialysis Patients with a Breath Ammonia Measurement Device Based on Printed Polyaniline Nanoparticle Sensors

Author:
Hibbard, Troy; Crowley, Karl; Kelly, Frank; Ward, Frank; Holian, John; Watson, Alan; Killard, Anthony J.
Source:
Analytical chemistry 2013 v.85 no.24 pp. 12158-12165
ISSN:
1520-6882
Subject:
ammonia; blood; breath tests; correlation; dialysis; hemodialysis; humans; humidity; kidney diseases; kidneys; monitoring; nanoparticles; patients; spectroscopy; temperature; urea nitrogen
Abstract:
... A device for measuring human breath ammonia was developed based on a single use, disposable, inkjet printed ammonia sensor fabricated using polyaniline nanoparticles. The device was optimized for sampling ammonia in human breath samples by addressing issues such as variations in breath sample volume, flow rate, sources of oral ammonia, temperature and humidity. The resulting system was capable of ...
DOI:
10.1021/ac403472d

22. Transgenic banana cv. Rasthali (AAB, Silk gp) harboring Ace-AMP1 gene imparts enhanced resistance to Fusarium oxysporum f.sp. cubense race 1

Author:
Mohandas, Sukhada; Sowmya, H.D.; Saxena, A.K.; Meenakshi, S.; Rani, R. Thilaka; Mahmood, Riaz
Source:
Scientia horticulturae 2013 v.164 pp. 392-399
ISSN:
0304-4238
Subject:
Agrobacterium; Fusarium oxysporum; Fusarium wilt; Western blotting; bananas; cell suspension culture; correlation; cultivars; enzyme-linked immunosorbent assay; flavor; gene expression; meristems; onions; polymerase chain reaction; protein content; seeds; storage quality; transgenes
Abstract:
... Banana cultivar Rasthali (AAB, Silk gp) is one of the favored varieties known for its flavor and keeping quality in southern India. The cultivar is affected by Fusarium wilt which has reached serious proportions, almost wiping it out. Highly regenerative embryogenic cell suspensions of cultivar Rasthali were developed using male floral meristems. Agrobacterium strain LB4404 harboring binary vector ...
DOI:
10.1016/j.scienta.2013.09.018

23. Ultra-fast cyclosporin A quantitation in whole blood by Laser Diode Thermal Desorption – Tandem Mass Spectrometry; comparison with High Performance Liquid Chromatography–Tandem Mass Spectrometry

Author:
Jourdil, Jean-François; Picard, Pierre; Meunier, Cécile; Auger, Serge; Stanke-Labesque, Françoise
Source:
Analytica chimica acta 2013 v.805 pp. 80-86
ISSN:
0003-2670
Subject:
air flow; atmospheric pressure; blood; confidence interval; correlation; cyclosporine; desorption; energy; linear models; liquid chromatography; monitoring; patients; quality control; tandem mass spectrometry; temperature
Abstract:
... In the last decade the quantitation of immunosuppressive drugs has seen vast improvements in analytical methods, optimizing time, accuracy of analysis and cost. Laser Diode Thermal Desorption (LDTD) coupled to Atmospheric Pressure Chemical ionization–tandem mass spectrometry (APCI-MS/MS) represents a technological breakthrough that removes the chromatographic separation step and thereby significan ...
DOI:
10.1016/j.aca.2013.10.051

24. A carbon nanotube screen-printed electrode for label-free detection of the human cardiac troponin T

Author:
Silva, Bárbara V.M.; Cavalcanti, Igor T.; Silva, Mízia M.S.; Dutra, Rosa F.
Source:
Talanta 2013 v.117 pp. 431-437
ISSN:
0039-9140
Subject:
analytical methods; antibodies; carbon; carbon nanotubes; correlation; detection limit; electrodes; humans; immunosensors; myocardial infarction; polyethylene terephthalates; troponin T
Abstract:
... Label-free immunosensor based on amine-functionalized carbon nanotubes screen-printed electrode is described for detection of the cardiac troponin T, an important marker of acute myocardial infarction. The disposable sensor was fabricated by tightly squeezing an adhesive carbon ink containing carbon nanotubes onto a polyethylene terephthalate substrate forming a thin film. The use of carbon nanotu ...
DOI:
10.1016/j.talanta.2013.08.059

25. An evaluation of tannery industry wastewater treatment sludge gasification by artificial neural network modeling

Author:
Ongen, Atakan; Kurtulus Ozcan, H.; Arayıcı, Semiha
Source:
Journal of hazardous materials 2013 v.263 pp. 361-366
ISSN:
0304-3894
Subject:
chemical structure; correlation; feedstocks; gasification; neural networks; prediction; sludge; synthesis gas; tanneries; temporal variation; wastewater; wastewater treatment
Abstract:
... This paper reports on the calorific value of synthetic gas (syngas) produced by gasification of dewatered sludge derived from treatment of tannery wastewater. Proximate and ultimate analyses of samples were performed. Thermochemical conversion alters the chemical structure of the waste. Dried air was used as a gasification agent at varying flow rates, which allowed the feedstock to be quickly conv ...
DOI:
10.1016/j.jhazmat.2013.03.043

26. Baseline of the butyltin distribution in surface sediments (0–20cm) of the Elbe estuary (Germany, 2011)

Author:
Wetzel, Markus A.; Winterscheid, Axel; Wahrendorf, Dierk-Steffen
Source:
Marine pollution bulletin 2013 v.77 no.1-2 pp. 418-423
ISSN:
0025-326X
Subject:
correlation; dibutyltin; estuaries; monobutyltin; sediments; tributyltin; water pollution; Germany
Abstract:
... The concentrations of the butyltin (BT) species tributyltin (TBT), dibutyltin (DBT), and monobutyltin (MBT) were measured in the surface sediments (0–20cm) at 29 sites of the Elbe estuary in 2011. TBT values ranged from ‘undetectable’ to 41ngSng−1 dry weight (d.w.) with the two highest values measured in the inner section of the estuary near the port of Hamburg (32 and 41ngSng−1 d.w.). TBT, DBT, a ...
DOI:
10.1016/j.marpolbul.2013.09.021

27. Conformational switch for cisplatin with hemin/G-quadruplex DNAzyme supersandwich structure

Author:
Wang, Guangfeng; He, Xiuping; Chen, Ling; Zhu, Yanhong; Zhang, Xiaojun; Wang, Lun
Source:
Biosensors & bioelectronics 2013 v.50 pp. 210-216
ISSN:
0956-5663
Subject:
DNA; biosensors; cisplatin; correlation; cytotoxicity; detection limit; electrochemistry; guanine; hydrogen peroxide
Abstract:
... Cisplatin is a representative of cytotoxic and antineoplastic metallodrugs used for the treatment of various malignancies. In this paper, an enzyme-free amplification platform involving an autonomous target triggered process that yields the formation of the hemin/G-quadruplex DNAzyme wires was designed for the detection of cisplatin. Given the virtue of hemin/G-quadruplex DNAzyme wires (supersandw ...
DOI:
10.1016/j.bios.2013.06.046

28. Cyclic voltammetry: A tool to quantify 2,4,6-trichloroanisole in aqueous samples from cork planks boiling industrial process

Author:
Peres, António M.; Freitas, Patrícia; Dias, Luís G.; Sousa, Mara E.B.C.; Castro, Luís M.; Veloso, Ana C.A.
Source:
Talanta 2013 v.117 pp. 438-444
ISSN:
0039-9140
Subject:
boiling; cork; cork stoppers; correlation; detection limit; gas chromatography-mass spectrometry; humans; industrial applications; off flavors; pretreatment; solvents; wine industry; wines
Abstract:
... Chloroanisoles, namely 2,4,6-trichloroanisole, are pointed out as the primary responsible of the development of musty off-flavours in bottled wine, due to their migration from cork stoppers, which results in huge economical losses for wine industry. A prevention step is the detection of these compounds in cork planks before stoppers are produced. Mass spectrometry gas chromatography is the referen ...
DOI:
10.1016/j.talanta.2013.09.039

29. Damage patterns after Hurricane Dean in the southern Yucatán: Has human activity resulted in more resilient forests?

Author:
McGroddy, Megan; Lawrence, Deborah; Schneider, Laura; Rogan, John; Zager, Irene; Schmook, Birgit
Source:
Forest ecology and management 2013 v.310 pp. 812-820
ISSN:
0378-1127
Subject:
correlation; canopy; linear models; humans; stems; land use; regression analysis; forest types; stand basal area; stand structure; conservation areas; Mexico
Abstract:
... We investigated how patterns of hurricane damage were related to windspeed, stand characteristics, and land use in a region where forest composition and structure have been strongly influenced by human activities. In 2007 Hurricane Dean hit the biological corridor between the two largest biosphere reserves on the Yucatán Peninsula as a category 5 hurricane. Land use in the corridor has altered bot ...
DOI:
10.1016/j.foreco.2013.09.027

30. Effects of understory removal and nitrogen fertilization on soil microbial communities in Eucalyptus plantations

Author:
Zhao, Jie; Wan, Songze; Fu, Shenglei; Wang, Xiaoli; Wang, Min; Liang, Chenfei; Chen, Yuanqi; Zhu, Xiaolin
Source:
Forest ecology and management 2013 v.310 pp. 80-86
ISSN:
0378-1127
Subject:
Eucalyptus; biomass; correlation; fatty acids; forest ecosystems; forest management; forest plantations; fungi; microclimate; nitrogen fertilizers; overstory; phospholipids; soil microorganisms; soil temperature; soil water content; understory; vegetation
Abstract:
... Understory removal and/or nitrogen fertilization are important forest management practices in forest plantations. Relative to overstory vegetation, understory vegetation is overlooked in forest ecosystems; and the effects of nitrogen fertilization on soil microbial communities are poorly understood. The objective of this study was to improve our knowledge of how understory removal and/or fertiliza ...
DOI:
10.1016/j.foreco.2013.08.013

31. Growth of juvenile beech (Fagus sylvatica L.) upon transplant into a wind-opened spruce stand of heterogeneous light and water conditions

Author:
Goisser, Michael; Zang, Ulrich; Matzner, Egbert; Borken, Werner; Häberle, Karl-Heinz; Matyssek, Rainer
Source:
Forest ecology and management 2013 v.310 pp. 110-119
ISSN:
0378-1127
Subject:
Fagus sylvatica; Picea abies; acclimation; autumn; climate models; correlation; drought; field experimentation; forests; leaf area; leaves; plant growth; rooting; saplings; shoots; stomatal conductance; summer; water stress; water use efficiency; Central European region
Abstract:
... Climate models predict increasing frequency and intensity of summer drought events for Central Europe. In a field experiment, we investigated the response of young beech (Fagus sylvatica L.) to extreme and repeated summer drought and the modulation of drought response patterns along the natural gradient of light availability at the study site. In autumn 2008, two-year-old, nursery derived beech – ...
DOI:
10.1016/j.foreco.2013.08.006

32. Inter-annual variability of carbon and water fluxes in Amazonian forest, Cerrado and pasture sites, as simulated by terrestrial biosphere models

Author:
von Randow, Celso; Zeri, Marcelo; Restrepo-Coupe, Natalia; Muza, Michel N.; de Gonçalves, Luis Gustavo G.; Costa, Marcos H.; Araujo, Alessandro C.; Manzi, Antonio O.; da Rocha, Humberto R.; Saleska, Scott R.; Arain, M. Alaf; Baker, Ian T.; Cestaro, Bruno P.; Christoffersen, Bradley; Ciais, Philippe; Fisher, Joshua B.; Galbraith, David; Guan, Xiaodan; van den Hurk, Bart; Ichii, Kazuhito; Imbuzeiro, Hewlley; Jain, Atul; Levine, Naomi; Miguez-Macho, Gonzalo; Poulter, Ben; Roberti, Debora R.; Sahoo, Alok; Schaefer, Kevin; Shi, Mingjie; Tian, Hanqin; Verbeeck, Hans; Yang, Zong-Liang
Source:
Agricultural and forest meteorology 2013 v.182-183 pp. 145-155
ISSN:
0168-1923
Subject:
carbon; cerrado; correlation; net ecosystem exchange; pastures; rain; rain forests; savannas; simulation models
Abstract:
... This study analyzes the inter-annual variability (IAV) of simulations of 21 different land surface model formulations, driven by meteorological conditions measured at 8 flux towers, located in rain forest, forest-savanna ecotone and pasture sites in Amazonia, and one in savanna site in Southeastern Brazil. Annual totals of net ecosystem exchange (NEE) of carbon and evapotranspiration (ET), measure ...
DOI:
10.1016/j.agrformet.2013.05.015

33. Metal concentrations and detoxification mechanisms in Solea solea and Solea senegalensis from NW Mediterranean fishing grounds

Author:
Siscar, R.; Torreblanca, A.; Palanques, A.; Solé, M.
Source:
Marine pollution bulletin 2013 v.77 no.1-2 pp. 90-99
ISSN:
0025-326X
Subject:
Solea senegalensis; Solea solea; acetylcholinesterase; biomarkers; brain; cadmium; coasts; correlation; fishery resources; gills; kidneys; lactate dehydrogenase; lipid peroxidation; mercury; metallothionein; muscles; principal component analysis; protective effect; selenium; surveys; tissues; toxicity; water pollution; Mediterranean Sea
Abstract:
... The common sole, Solea solea and the Senegalese sole, Solea senegalensis are two important commercial species that coexist in the NW Mediterranean Sea. The present field survey was designed to assess the role of kidney in metal handling and detoxification in the two sole species collected at six fishing grounds along the Catalan coast. Metallothionein (MT) and selenium (Se) were analysed in relati ...
DOI:
10.1016/j.marpolbul.2013.10.026

34. Microwave synthesis and adsorption performance of a novel crosslinked starch microsphere

Author:
Lin, Qintie; Pan, Jianxin; Lin, Qinlu; Liu, Qianjun
Source:
Journal of hazardous materials 2013 v.263 pp. 517-524
ISSN:
0304-3894
Subject:
Fourier transform infrared spectroscopy; adsorption; correlation; crosslinking; emulsions; gentian violet; heat production; microwave treatment; models; nitrogen; pH; raw materials; scanning electron microscopes; scanning electron microscopy; sorption isotherms; starch
Abstract:
... A new crosslinked starch microsphere (CSM) was synthesized in a microwave-assisted inversed emulsion system with soluble starch (ST) as a raw material, MBAA as a crosslinker, and K2S2O8–NaHSO3 as an initiator. The synthesized starch microsphere was characterized and examined by scanning electron microscope (SEM), FTIR spectroscopy and adsorption isotherms of N2 at 77K. Adsorption performance was i ...
DOI:
10.1016/j.jhazmat.2013.10.004

35. Multivariate study of parameters in the determination of pesticide residues in apple by headspace solid phase microextraction coupled to gas chromatography–mass spectrometry using experimental factorial design

Author:
Abdulra’uf, Lukman Bola; Tan, Guan Huat
Source:
Food chemistry 2013 v.141 no.4 pp. 4344-4348
ISSN:
0308-8146
Subject:
apples; correlation; detection limit; diazinon; gas chromatography; headspace analysis; mass spectrometry; maximum residue limits; microextraction; pesticide residues; salts; sampling; temperature
Abstract:
... Solid-phase microextraction (SPME) is a solvent-less sample preparation method which combines sample preparation, isolation, concentration and enrichment into one step. In this study, multivariate strategy was used to determine the significance of the factors affecting the solid phase microextraction of pesticide residues (fenobucarb, diazinon, chlorothalonil and chlorpyrifos) using a randomised f ...
DOI:
10.1016/j.foodchem.2013.07.022
PubMed:
23993624

36. Near infrared spectroscopy for prediction of antioxidant compounds in the honey

Author:
Escuredo, Olga; Carmen Seijo, M.; Salvador, Javier; Inmaculada González-Martín, M.
Source:
Food chemistry 2013 v.141 no.4 pp. 3409-3414
ISSN:
0308-8146
Subject:
antioxidant activity; ascorbic acid; copper; correlation; equations; flavonoids; honey; least squares; models; near-infrared spectroscopy; oxidation; phenols; prediction; sampling
Abstract:
... The selection of antioxidant variables in honey is first time considered applying the near infrared (NIR) spectroscopic technique. A total of 60 honey samples were used to develop the calibration models using the modified partial least squares (MPLS) regression method and 15 samples were used for external validation. Calibration models on honey matrix for the estimation of phenols, flavonoids, vit ...
DOI:
10.1016/j.foodchem.2013.06.066
PubMed:
23993500

37. New insights into helitron transposable elements in the mesopolyploid species Brassica rapa

Author:
Fu, Donghui; Wei, Lijuan; Xiao, Meili; Hayward, Alice
Source:
Gene 2013 v.532 pp. 236-245
ISSN:
0378-1119
Subject:
Brassica rapa; correlation; genes; microRNA; oil crops; transcription (genetics); transposons
Abstract:
... Helitrons are DNA transposable elements that are widely present in the genomes of diverse eukaryotic taxa. Helitrons are distinct from other transposons in their ability to capture gene fragments and their rolling-replication mechanism. Brassica rapa is a mesopolyploid species and one of the most important vegetable and oil crops globally. A total of 787 helitrons were identified in the B. rapa ge ...
DOI:
10.1016/j.gene.2013.09.033
PubMed:
24055723

38. Organophosphorus pesticide and ester analysis by using comprehensive two-dimensional gas chromatography with flame photometric detection

Author:
Liu, Xiangping; Li, Dengkun; Li, Jiequan; Rose, Gavin; Marriott, Philip J.
Source:
Journal of hazardous materials 2013 v.263 pp. 761-767
ISSN:
0304-3894
Subject:
comprehensive two-dimensional gas chromatography; correlation; detection limit; esters; organophosphorus pesticides; soil sampling; temperature
Abstract:
... Thirty-seven phosphorus (P)-containing compounds comprising organophosphorus pesticides and organophosphate esters were analyzed by using comprehensive two-dimensional gas chromatography with flame photometric detection in P mode (GC×GC-FPD(P)), with a non-polar/moderately polar column set. A suitable modulation temperature and period was chosen based on experimental observation. A number of co-el ...
DOI:
10.1016/j.jhazmat.2013.10.048

39. Performance analysis of an internal combustion engine operated on producer gas, in comparison with the performance of the natural gas and diesel engines

Author:
Raman, P.; Ram, N.K.
Source:
Energy 2013 v.63 pp. 317-333
ISSN:
0360-5442
Subject:
combustion; correlation; diesel engines; electricity; energy; energy density; gas engines; generators (equipment); lifestyle; methodology; natural gas; power generation; renewable energy sources; temperature; India
Abstract:
... The growing economy and changing lifestyle have increased the demand for modern energy, like electricity. Globally 1.3 billion people are without access to electricity. In India, 289 million people do not have access to electricity. Decentralized distributed power generation using renewable energy is a competitive alternative for energy supply to all, with a sustainable growth. The performance of ...
DOI:
10.1016/j.energy.2013.10.033

40. Polybrominated diphenyl ether congeners in the young-of-the-year bluefish, Pomatomus saltatrix, from several nursery habitats along the US Atlantic coastline

Author:
Deshpande, Ashok D.; Dockum, Bruce W.
Source:
Marine pollution bulletin 2013 v.77 no.1-2 pp. 237-250
ISSN:
0025-326X
Subject:
Pomatomus saltatrix; bromine; coasts; correlation; estuaries; fish; gas chromatography; habitats; lipids; mass spectrometry; mussels; oysters; polybrominated diphenyl ethers; rivers; sampling; vineyards; water pollution; Atlantic Ocean; Delaware Bay; Florida; Massachusetts; New Jersey; New York
Abstract:
... Spatial trends of polybrominated diphenyl ether (PBDE) congeners were examined by using high resolution gas chromatography – low resolution electron impact mass spectrometry (GC-EIMS) in 414 samples of young-of-the-year (YOY) bluefish (Pomatomus saltatrix) collected from a total of 29 nursery habitats along the US Atlantic coastline from Massachusetts to Florida. Of the 26 target PBDE congeners, B ...
DOI:
10.1016/j.marpolbul.2013.09.051

41. Polyphenolic compounds and antioxidant activity of CTC black tea of North-East India

Author:
Bhuyan, Lakshi Prasad; Sabhapondit, Santanu; Baruah, Binoti Devi; Bordoloi, Cinmoy; Gogoi, Ramen; Bhattacharyya, Pradip
Source:
Food chemistry 2013 v.141 no.4 pp. 3744-3751
ISSN:
0308-8146
Subject:
antioxidant activity; black tea; climatic zones; correlation; free radical scavengers; lipid peroxidation; principal component analysis; sampling; India
Abstract:
... Sixty black tea samples from different agro climatic zones of northeast India were assessed for biochemical constituents that determine quality and also influence organoleptic perception. The antioxidant activities such as α,α-diphenyl-β-picrylhydrazyl (DPPH) free radical scavenging, lipid peroxidation inhibition, nitrite scavenging and super oxide scavenging, of the collected samples were analyse ...
DOI:
10.1016/j.foodchem.2013.06.086
PubMed:
23993544

42. Relationships between climate, radial growth and wood properties of mature loblolly pine in Hawaii and a northern and southern site in the southeastern United States

Author:
Samuelson, Lisa J.; Eberhardt, Thomas L.; Bartkowiak, Stan M.; Johnsen, Kurt H.
Source:
Forest ecology and management 2013 v.310 pp. 786-795
ISSN:
0378-1127
Subject:
Pinus taeda; carbon; climate; correlation; dry season; earlywood; hurricanes; latewood; specific gravity; temperature; trees; wood properties; Hawaii; Mississippi; North Carolina
Abstract:
... Production rates of loblolly pine (Pinus taeda L.) in favorable exotic environments indicate that full biological expression of growth potential in loblolly pine has not yet been attained in its native range. In previous work, high productivity in a loblolly pine plantation in Hawaii (HI) was hypothesized to be related to a more favorable climate conducive to year round carbon gain. To better unde ...
DOI:
10.1016/j.foreco.2013.09.025

43. Simultaneous determination of bioactive phenolic compounds in the stem extract of Rhus verniciflua stokes by high performance liquid chromatography

Author:
Kim, Sun-A; Kim, Seung Hyun; Kim, In Sook; Lee, Dongho; Dong, Mi-Sook; Na, Chun-Soo; Nhiem, Nguyen Xuan; Yoo, Hye Hyun
Source:
Food chemistry 2013 v.141 no.4 pp. 3813-3819
ISSN:
0308-8146
Subject:
Toxicodendron vernicifluum; bioactive properties; correlation; formic acid; gallic acid; high performance liquid chromatography; reversed-phase liquid chromatography; stems
Abstract:
... A simple, sensitive, and precise reversed-phase liquid chromatographic method was developed for the quantitative determination of 4 bioactive phenolic compounds (gallic acid, fustin, fisetin, and sulfuretin) from the stem extract of Rhus verniciflua stokes. Chromatographic analysis was performed on a Capcell Pak C18 column (150×4.6mm, 3μm) with a mobile phase consisting of 0.1% formic acid and 90% ...
DOI:
10.1016/j.foodchem.2013.06.068
PubMed:
23993553

44. Temporal variability and climatology of hydrodynamic, water property and water quality parameters in the West Johor Strait of Singapore

Author:
Behera, Manasa Ranjan; Chun, Cui; Palani, Sundarambal; Tkalich, Pavel
Source:
Marine pollution bulletin 2013 v.77 no.1-2 pp. 380-395
ISSN:
0025-326X
Subject:
air temperature; chlorophyll; climatology; correlation; forces; hydrodynamics; principal component analysis; salinity; solar radiation; temporal variation; turbidity; water pollution; water quality; water temperature; Singapore
Abstract:
... The study presents a baseline variability and climatology study of measured hydrodynamic, water properties and some water quality parameters of West Johor Strait, Singapore at hourly-to-seasonal scales to uncover their dependency and correlation to one or more drivers. The considered parameters include, but not limited by sea surface elevation, current magnitude and direction, solar radiation and ...
DOI:
10.1016/j.marpolbul.2013.09.043

45. Sources of variation in nutrient intake and the number of days to assess usual intake among men and women in the Seoul metropolitan area, Korea

Author:
Kim, Dong Woo; Kyung Park, Min; Kim, Jeongseon; Oh, Kyungwon; Joung, Hyojee; Lee, Jung Eun; Paik, Hee Young
Source:
The British journal of nutrition 2013 v.110 no.11 pp. 2098-2107
ISSN:
1475-2662
Subject:
Koreans; Western diets; adults; age; correlation; energy; females; food intake; males; men; models; nutrient intake; nutrients; women; Korean Peninsula
Abstract:
... Sources of variation in nutrient intake have been examined for Western diets, but little is known about the sources of variation and their differences by age and sex among Koreans. We examined sources of variation in nutrient intake and calculated the number of days needed to estimate usual intake using 12 d of dietary records (DR). To this end, four 3 d DR including two weekdays and one weekend d ...
DOI:
10.1017/S0007114513001554
PubMed:
23745792

46. Nanoporous array anodic titanium-supported co-polymeric ionic liquids as high performance solid-phase microextraction sorbents for hydrogen bonding compounds

Author:
Jia, Jing; Liang, Xiaojing; Wang, Licheng; Guo, Yong; Liu, Xia; Jiang, Shengxiang
Source:
Journal of chromatography 2013 v.1320 pp. 1-9
ISSN:
0021-9673
Subject:
adsorbents; adsorption; alcohols; butanes; chromatography; composite polymers; correlation; detection limit; headspace analysis; hydrogen bonding; ionic liquids; polar compounds; silica; solid phase microextraction; titanium; volatile fatty acids
Abstract:
... A nanoporous array anodic titanium-supported co-polymeric ionic liquids (NAAT/PILs) solid-phase microextraction (SPME) fiber was prepared in situ on the titanium wire. NAAT was selected as the substrate, in view of its high surface-to-volume ratio, easy preparation, mechanical stability, and rich titanol groups on its surface which can anchor silica coupling agent containing vinyl and then introdu ...
DOI:
10.1016/j.chroma.2013.10.042

47. Chemical map of Schizosaccharomyces pombe reveals species-specific features in nucleosome positioning

Author:
Moyle-Heyrman, Georgette; Zaichuk, Tetiana; Xi, Liqun; Zhang, Quanwei; Uhlenbeck, Olke C.; Holmgren, Robert; Widom, Jonathan; Wang, Ji-Ping
Source:
Proceedings of the National Academy of Sciences of the United States of America 2013 v.110 no.50 pp. 20158-20163
ISSN:
0027-8424
Subject:
correlation; nucleosomes; micrococcal nuclease; coevolution; DNA; Schizosaccharomyces pombe; Saccharomyces cerevisiae; transcription (genetics); gene expression; exons; introns
Abstract:
... Using a recently developed chemical approach, we have generated a genome-wide map of nucleosomes in vivo in Schizosaccharomyces pombe (S. pombe) at base pair resolution. The shorter linker length previously identified in S. pombe is due to a preponderance of nucleosomes separated by ∼4/5 bp, placing nucleosomes on opposite faces of the DNA. The periodic dinucleotide feature thought to position nuc ...
DOI:
10.1073/pnas.1315809110
PubMed:
24277842
PubMed Central:
PMC3864286

48. Impact of MODIS-derived cloud cover on aerosol optical depth measured with a sun photometer: a case study from Nanjing, China

Author:
Zha, Yong; Zhang, Jiahua; Gao, Jay; He, Junliang
Source:
International journal of remote sensing 2013 v.34 no.23 pp. 8534-8548
ISSN:
1366-5901
Subject:
aerosols; air; case studies; cloud cover; correlation; moderate resolution imaging spectroradiometer; photometers; remote sensing; China
Abstract:
... Sun photometers have been used increasingly to monitor the atmospheric environment by measuring indicators such as aerosol optical depth (AOD). However, ground-measured AOD results are subject to the presence of clouds in the air. When cloud cover is not extensive, it is still possible to use sun photometry to determine AOD, even though accuracy is reduced by cloud contamination. This research aim ...
DOI:
10.1080/01431161.2013.843807

49. Timing of blunt force injuries in long bones: The effects of the environment, PMI length and human surrogate model

Author:
Coelho, Luís; Cardoso, Hugo F.V.
Source:
Forensic science international 2013 v.233 pp. 230-237
ISSN:
0379-0738
Subject:
animal models; climatic factors; correlation; descriptive statistics; forensic sciences; freshness; goats; humans; postmortem changes; prediction; regression analysis; swine; temperature; tibia
Abstract:
... Timing of blunt force trauma in human bone is a critical forensic issue, but there is limited knowledge on how different environmental conditions, the duration of postmortem interval (PMI), different bone types and different animal models influence fracture morphology. This study aims at evaluating the influence of the type of postmortem environment and the duration of the postmortem period on fra ...
DOI:
10.1016/j.forsciint.2013.09.022

50. A cloud detection method based on a time series of MODIS surface reflectance images

Author:
Tang, Hairong; Yu, Kai; Hagolle, Olivier; Jiang, Kang; Geng, Xiurui; Zhao, Yongchao
Source:
International journal of digital earth 2013 v.6 no.sup1 pp. 157-171
ISSN:
1753-8955
Subject:
aerosols; algorithms; cloud cover; correlation; gases; moderate resolution imaging spectroradiometer; reflectance; temperature; time series analysis; wavelengths
Abstract:
... The Moderate Resolution Imaging Spectroradiometer (MODIS)-Terra surface reflectance product (MOD09A1), with bands 1 to 7, is a gridded, eight-day composite product derived from the MODIS-Terra top of atmosphere reflectance swaths. It performs cloud detection and corrects for the effects of atmospheric gases and aerosols. The cloud mask (CM) algorithms for MODIS are based on empirical thresholds on ...
DOI:
10.1080/17538947.2013.833313