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Showing 1 to 12 of 5869 entries
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On clinically relevant differences and shifted null hypotheses.

Methods of information in medicine

Victor N.
PMID: 3670099
Methods Inf Med. 1987 Jul;26(3):109-16.

No abstract available.

Data Quality in web-based HIV/AIDS research: Handling Invalid and Suspicious Data.

Field methods

Bauermeister J, Pingel E, Zimmerman M, Couper M, Carballo-Diéguez A, Strecher VJ.
PMID: 23180978
Field methods. 2012 Aug 01;24(3):272-291. doi: 10.1177/1525822X12443097. Epub 2012 Apr 26.

Invalid data may compromise data quality. We examined how decisions taken to handle these data may affect the relationship between Internet use and HIV risk behaviors in a sample of young men who have sex with men (YMSM). We...

Correlation between body mass index and waist circumference in nigerian adults: implication as indicators of health status.

Journal of public health research

Chinedu SN, Ogunlana OO, Azuh DE, Iweala EE, Afolabi IS, Uhuegbu CC, Idachaba ME, Osamor VC.
PMID: 25170487
J Public Health Res. 2013 Sep 05;2(2):e16. doi: 10.4081/jphr.2013.e16. eCollection 2013 Sep 02.

BACKGROUND: Anthropometric measures have been widely used for body weight classification in humans. Waist circumference has been advanced as a useful parameter for measuring adiposity. This study evaluated the correlation between body mass index (BMI) and waist circumference and...

Experimental realization of subradiant, superradiant, and fano resonances in ring/disk plasmonic nanocavities.

ACS nano

Sonnefraud Y, Verellen N, Sobhani H, Vandenbosch GA, Moshchalkov VV, Van Dorpe P, Nordlander P, Maier SA.
PMID: 20155967
ACS Nano. 2010 Mar 23;4(3):1664-70. doi: 10.1021/nn901580r.

Subradiant and superradiant plasmon modes in concentric ring/disk nanocavities are experimentally observed. The subradiance is obtained through an overall reduction of the total dipole moment of the hybridized mode due to antisymmetric coupling of the dipole moments of the...

Misclassification Errors in Unsupervised Classification Methods. Comparison Based on the Simulation of Targeted Proteomics Data.

Journal of proteomics & bioinformatics

Andreev VP, Gillespie BW, Helfand BT, Merion RM.
PMID: 27524871
J Proteomics Bioinform. 2016; doi: 10.4172/jpb.S14-005. Epub 2016 May 16.

Unsupervised classification methods are gaining acceptance in omics studies of complex common diseases, which are often vaguely defined and are likely the collections of disease subtypes. Unsupervised classification based on the molecular signatures identified in omics studies have the...

Biosynthesis of catechol melanin from glycerol employing metabolically engineered Escherichia coli.

Microbial cell factories

Mejía-Caballero A, de Anda R, Hernández-Chávez G, Rogg S, Martinez A, Bolívar F, Castaño VM, Gosset G.
PMID: 27659593
Microb Cell Fact. 2016 Sep 22;15(1):161. doi: 10.1186/s12934-016-0561-0.

BACKGROUND: Melanins comprise a chemically-diverse group of polymeric pigments whose function is related to protection against physical and chemical stress factors. These polymers have current and potential applications in the chemical, medical, electronics and materials industries. The biotechnological production...

Highly efficient large-area colourless luminescent solar concentrators using heavy-metal-free colloidal quantum dots.

Nature nanotechnology

Meinardi F, McDaniel H, Carulli F, Colombo A, Velizhanin KA, Makarov NS, Simonutti R, Klimov VI, Brovelli S.
PMID: 26301902
Nat Nanotechnol. 2015 Oct;10(10):878-85. doi: 10.1038/nnano.2015.178. Epub 2015 Aug 24.

Luminescent solar concentrators serving as semitransparent photovoltaic windows could become an important element in net zero energy consumption buildings of the future. Colloidal quantum dots are promising materials for luminescent solar concentrators as they can be engineered to provide...

Polypyrrole Actuator Based on Electrospun Microribbons.

ACS applied materials & interfaces

Beregoi M, Evanghelidis A, Diculescu VC, Iovu H, Enculescu I.
PMID: 28976177
ACS Appl Mater Interfaces. 2017 Nov 01;9(43):38068-38075. doi: 10.1021/acsami.7b13196. Epub 2017 Oct 19.

The development of soft actuators by using inexpensive raw materials and straightforward fabrication techniques, aiming at creating and developing muscle like micromanipulators, represents an important challenge nowadays. Providing such devices with biomimetic qualities, for example, sensing different external stimuli,...

The education of one spouse and the fatness of the other spouse.

American journal of human biology : the official journal of the Human Biology Council

Garn SM, Sullivan TV, Hawthorne VM.
PMID: 28514084
Am J Hum Biol. 1989;1(3):233-238. doi: 10.1002/ajhb.1310010302.

As shown in 702 wives with 9-12 years of education and 612 husbands similarly educated, the summed skinfolds of one spouse are influenced by the educational level of the other spouse, considerably so for the husbands. Women with 9-12...

Comparative Evaluation of Substituent Effect on the Photochromic Properties of Spiropyrans and Spirooxazines.

The Journal of organic chemistry

Balmond EI, Tautges BK, Faulkner AL, Or VW, Hodur BM, Shaw JT, Louie AY.
PMID: 27529635
J Org Chem. 2016 Oct 07;81(19):8744-8758. doi: 10.1021/acs.joc.6b01193. Epub 2016 Sep 21.

Spiropyrans and spirooxazines represent an important class of photochromic compounds with a wide variety of applications. In order to effectively utilize and design these photoswitches it is desirable to understand how the substituents affect photochromic properties, and how the...

N-Methylpyrrolidone Hydroperoxide/Cs2 CO3 as an Excellent Reagent System for the Hydroxy-Directed Diastereoselective Epoxidation of Electron-Deficient Olefins.

Chemistry (Weinheim an der Bergstrasse, Germany)

Victor NJ, Gana J, Muraleedharan KM.
PMID: 26311172
Chemistry. 2015 Oct 12;21(42):14742-7. doi: 10.1002/chem.201501929. Epub 2015 Aug 27.

This report introduces N-methylpyrrolidone hydroperoxide (NMPOOH)/base as an excellent reagent system for hydroxy-directed syn selective epoxidation of electron-deficient olefins, characterized by high diastereoselectivity, short reaction times and remarkable chemoselectivity, especially in presence of oxidatively labile nitrogen or sulfur atoms....

Bone Marrow-Derived Cells in the Pathogenesis of Lung Fibrosis.

Current respiratory medicine reviews

Moore BB, Thannickal VJ, Toews GB.
PMID: 27499722
Curr Respir Med Rev. 2005;1(1):69-76. doi: 10.2174/1573398052953613.

Progressive pulmonary fibrosis is characterized by failed alveolar reepithelialization and fibroblast/myofibroblast accumulation, with deposition of extracellular matrix. This results in loss of lung elasticity, alveolar collapse and fibrosis, impaired gas exchange and progressive decline in pulmonary function. Myofibroblasts represent...

Showing 1 to 12 of 5869 entries