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The last eleven years in the development of the School of Dentistry, University of Puerto Rico 1961-1972.

Revista odontologica de Puerto Rico

McKelvey LE.
PMID: 4526650
Rev Odontol P R. 1972 Aug-Oct;10(3):30-50.

No abstract available.

More tweets, more votes: social media as a quantitative indicator of political behavior.

PloS one

Digrazia J, McKelvey K, Bollen J, Rojas F.
PMID: 24312181
PLoS One. 2013 Nov 27;8(11):e79449. doi: 10.1371/journal.pone.0079449. eCollection 2013.

Is social media a valid indicator of political behavior? There is considerable debate about the validity of data extracted from social media for studying offline behavior. To address this issue, we show that there is a statistically significant association...

Fertility Regulation in an Economic Crisis.

Economic development and cultural change

McKelvey C, Thomas D, Frankenberg E.
PMID: 25843969
Econ Dev Cult Change. 2012 Oct 01;61(1):7-38. doi: 10.1086/666950.

Substantial international aid is spent reducing the cost of contraception in developing countries, as part of a larger effort to reduce global fertility and increase investment per child worldwide. The importance for fertility behaviors of keeping contraceptive prices low,...

Nonracemic 2-diazo-1-oxiranyl-ethanone, a versatile chiral epoxide educt in diazocarbonyl reactions.

Organic letters

Groarke M, McKervey MA, Miel H, Nieuwenhuyzen M.
PMID: 10956504
Org Lett. 2000 Aug 10;2(16):2393-5. doi: 10.1021/ol000034b.

(S)-(-)-2-Diazo-1-oxiranyl-ethanone, prepared in two steps from (R)-(+)-glycidol, has been employed as an intermediate in several characteristic diazocarbonyl reactions to yield novel, nonracemic products including an epoxy quinoxaline and epoxy thiazoles and oxazoles.

Cation Complexation by Chemically Modified Calixarenes. 11. Complexation and Extraction of Alkali Cations by Calix[5]- and -[6]arene Ketones. Crystal and Molecular Structures of Calix[5]arene Ketones and Na(+) and Rb(+) Complexes.

The Journal of organic chemistry

Bell SE, Browne JK, McKee V, McKervey MA, Malone JF, O'Leary M, Walker A, Arnaud-Neu F, Boulangeot O, Mauprivez O, Schwing-Weill MJ.
PMID: 11672037
J Org Chem. 1998 Feb 06;63(3):489-501. doi: 10.1021/jo9713114.

A series of four calix[5]arenes and three calix[6]arenes (R-calixarene-OCH(2)COR(1)) (R = H or Bu(t)) with alkyl ketone residues (R(1) = Me or Bu(t)) on the lower rim have been synthesized, and their affinity for complexation of alkali cations has...

Pharmacy resident project publication rates and study designs from 1981, 1991, and 2001.

American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists

McKelvey RP, Hatton RC, Kimberlin CA.
PMID: 20479106
Am J Health Syst Pharm. 2010 May 15;67(10):830-6. doi: 10.2146/ajhp090090.

PURPOSE: The publication rates and characteristics of residency projects presented at the Southeastern Residency Conference (SERC) in 1981, 1991, and 2001 are described.METHODS: SERC abstracts from 1981, 1991, and 2001 were searched in MEDLINE and International Pharmaceutical Abstracts with...

Intermittent contact-scanning electrochemical microscopy (IC-SECM): a new approach for tip positioning and simultaneous imaging of interfacial topography and activity.

Analytical chemistry

McKelvey K, Edwards MA, Unwin PR.
PMID: 20583818
Anal Chem. 2010 Aug 01;82(15):6334-7. doi: 10.1021/ac101099e.

A new scanning electrochemical microscopy (SECM) tip positioning method that allows surface topography and activity to be resolved simultaneously and independently is presented. The tip, controlled by a piezoelectric positioner operated in closed loop, is oscillated normal to the...

Fabrication and characterization of dual function nanoscale pH-scanning ion conductance microscopy (SICM) probes for high resolution pH mapping.

Analytical chemistry

Nadappuram BP, McKelvey K, Al Botros R, Colburn AW, Unwin PR.
PMID: 23919610
Anal Chem. 2013 Sep 03;85(17):8070-4. doi: 10.1021/ac401883n. Epub 2013 Aug 22.

The easy fabrication and use of nanoscale dual function pH-scanning ion conductance microscopy (SICM) probes is reported. These probes incorporate an iridium oxide coated carbon electrode for pH measurement and an SICM barrel for distance control, enabling simultaneous pH...

A Standardized Method for Producing Shock in Dogs by Bleeding.

Canadian Medical Association journal

Cleghorn RA, Armstrong JB, McKelvey AD.
PMID: 20322907
Can Med Assoc J. 1943 Nov;49(5):355-62.

No abstract available.

Electrochemical mapping reveals direct correlation between heterogeneous electron-transfer kinetics and local density of states in diamond electrodes.

Angewandte Chemie (International ed. in English)

Patten HV, Meadows KE, Hutton LA, Iacobini JG, Battistel D, McKelvey K, Colburn AW, Newton ME, Macpherson JV, Unwin PR.
PMID: 22696181
Angew Chem Int Ed Engl. 2012 Jul 09;51(28):7002-6. doi: 10.1002/anie.201203057. Epub 2012 Jun 13.

Conducting carbon materials: a multi-microscopy approach shows that local heterogeneous electron-transfer rates at conducting diamond electrodes correlate with the local density of electronic states. This model of electroactivity is of considerable value for the rational design of conducting diamond...

Hair Color and Skin Color Together Influence Perceptions of Age, Health, and Attractiveness in Lightly-Pigmented, Young Women.

International journal of cosmetic science

Fink B, Liebner K, Müller AK, Hirn T, McKelvey G, Lankhof J.
PMID: 29772598
Int J Cosmet Sci. 2018 May 17; doi: 10.1111/ics.12467. Epub 2018 May 17.

OBJECTIVE: Research documents that even subtle changes in visible skin condition affect perceptions of age, health, and attractiveness. There is evidence that hair quality also affects the assessment of physical appearance, as variations in hair diameter, hair density, and...

Thermal conductivity measurements of proton-heated warm dense aluminum.

Scientific reports

McKelvey A, Kemp GE, Sterne PA, Fernandez-Panella A, Shepherd R, Marinak M, Link A, Collins GW, Sio H, King J, Freeman RR, Hua R, McGuffey C, Kim J, Beg FN, Ping Y.
PMID: 28765571
Sci Rep. 2017 Aug 01;7(1):7015. doi: 10.1038/s41598-017-07173-0.

Thermal conductivity is one of the most crucial physical properties of matter when it comes to understanding heat transport, hydrodynamic evolution, and energy balance in systems ranging from astrophysical objects to fusion plasmas. In the warm dense matter regime,...

Showing 1 to 12 of 103 entries