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Quadratic and Cubic Optical Nonlinearities of Y-Shaped and Distorted-H-Shaped Arylalkynylruthenium Complexes.

Chemistry (Weinheim an der Bergstrasse, Germany)

Morshedi M, Kodikara MS, Corkery TC, Hurst SK, Chavan SS, Kulasekera E, Stranger R, Samoc M, Van Cleuvenbergen S, Asselberghs I, Clays K, Cifuentes MP, Humphrey MG.
PMID: 30191625
Chemistry. 2018 Nov 02;24(61):16332-16341. doi: 10.1002/chem.201803696. Epub 2018 Oct 31.

Straightforward syntheses of bis[bis{1,2-bis(diphenylphosphino)ethane}ruthenium]-functionalized 1,3,5-triethynylbenzene-cored complexes via a methodology employing "steric control" permit facile formation of Y-shaped Sonogashira coupling products and distorted-H-shaped homo-coupled quadrupolar products. Cyclic voltammetric data from these products reveal two reversible metal alkynyl-localized oxidation processes for...

Introduction of a Crystalline, Shelf-Stable Reagent for the Synthesis of Sulfur(VI) Fluorides.

Organic letters

Zhou H, Mukherjee P, Liu R, Evrard E, Wang D, Humphrey JM, Butler TW, Hoth LR, Sperry JB, Sakata SK, Helal CJ, Am Ende CW.
PMID: 29327935
Org Lett. 2018 Feb 02;20(3):812-815. doi: 10.1021/acs.orglett.7b03950. Epub 2018 Jan 12.

The design, synthesis, and application of [4-(acetylamino)phenyl]imidodisulfuryl difluoride (AISF), a shelf-stable, crystalline reagent for the synthesis of sulfur(VI) fluorides, is described. The utility of AISF is demonstrated in the synthesis of a diverse array of aryl fluorosulfates and sulfamoyl...

Facile Syntheses of Ba.

Inorganic chemistry

Wu C, Li L, Song J, Yang G, Humphrey MG, Zhang C.
PMID: 28075567
Inorg Chem. 2017 Feb 06;56(3):1340-1348. doi: 10.1021/acs.inorgchem.6b02457. Epub 2017 Jan 11.

Two novel noncentrosymmetric metal borates, Ba

Protocol for the Direct Conversion of Lactones to Lactams Mediated by 1,5,7-Triazabicyclo[4.4.0]dec-5-ene: Synthesis of Pyridopyrazine-1,6-diones.

The Journal of organic chemistry

Rankic DA, Stiff CM, Am Ende CW, Humphrey JM.
PMID: 29049875
J Org Chem. 2017 Dec 01;82(23):12791-12797. doi: 10.1021/acs.joc.7b02079. Epub 2017 Nov 01.

We present an operationally simple lactone-to-lactam transformation utilizing diverse amine nucleophiles. The key steps of amidation, alcohol activation, and cyclization are all mediated by one reagent (TBD) in a single vessel at room temperature. We illustrate the convenience of...

Correction to Application of Structure-Based Design and Parallel Chemistry to Identify a Potent, Selective, and Brain Penetrant Phosphodiesterase 2A Inhibitor.

Journal of medicinal chemistry

Helal CJ, Arnold EP, Boyden TL, Chang C, Chappie TA, Fennell KF, Forman MD, Hajos M, Harms JF, Hoffman WE, Humphrey JM, Kang Z, Kleiman RJ, Kormos BL, LaChapelle EA, Lee CW, Lu J, Maklad N, McDowell L, Mente S, O'Connor RE, Pandit J, Piotrowski M, Schmidt AW, Schmidt CJ, Ueno H, Verhoest PR, Yang EX.
PMID: 29624389
J Med Chem. 2018 Apr 26;61(8):3753. doi: 10.1021/acs.jmedchem.8b00475. Epub 2018 Apr 06.

No abstract available.

Promoting professionalism via a video-based educational workshop for academic hospitalists and housestaff.

Journal of hospital medicine

Farnan JM, O'Leary KJ, Didwania A, Icayan L, Saathoff M, Bellam S, Anderson A, Reddy S, Humphrey HJ, Wayne DB, Arora VM.
PMID: 23780912
J Hosp Med. 2013 Jul;8(7):386-9. doi: 10.1002/jhm.2056. Epub 2013 Jun 18.

BACKGROUND: Unprofessional behavior can compromise care and detract from the hospital learning environment. Discrepancy between professional behaviors formally taught and what is witnessed has become increasingly evident.METHODS: With funding from the American Board of Internal Medicine Foundation, a workshop...

Using Future Employers' Expectations to Inform Global Health Fellowship Curricula.

Journal of graduate medical education

Brown HA, Mulherin P, Ferrara WC, Humphrey ME, Vera A, Hall JW.
PMID: 30386476
J Grad Med Educ. 2018 Oct;10(5):517-521. doi: 10.4300/JGME-D-18-00348.1.

BACKGROUND : Fellowships in global health are increasingly popular and seek to equip physicians with the skills necessary to be effective global health practitioners. Little objective guidance exists on which skills make graduates competitive applicants from the perspective of...

Photovoltaic Effect of a Ferroelectric-Luminescent Heterostructure under Infrared Light Illumination.

ACS applied materials & interfaces

Mai H, Lu T, Li Q, Sun Q, Vu K, Chen H, Wang G, Humphrey MG, Kremer F, Li L, Withers RL, Liu Y.
PMID: 30088753
ACS Appl Mater Interfaces. 2018 Sep 05;10(35):29786-29794. doi: 10.1021/acsami.8b09745. Epub 2018 Aug 22.

In this report, a ferroelectric-luminescent heterostructure is designed to convert infrared light into electric power. We use BiFeO

Elastic serum-albumin based hydrogels: mechanism of formation and application in cardiac tissue engineering.

Journal of materials chemistry. B

Amdursky N, Mazo MM, Thomas MR, Humphrey EJ, Puetzer JL, St-Pierre JP, Skaalure SC, Richardson RM, Terracciano CM, Stevens MM.
PMID: 30283632
J Mater Chem B. 2018 Sep 21;6(35):5604-5612. doi: 10.1039/C8TB01014E. Epub 2018 Aug 23.

Hydrogels are promising materials for mimicking the extra-cellular environment. Here, we present a simple methodology for the formation of a free-standing viscoelastic hydrogel from the abundant and low cost protein serum albumin. We show that the mechanical properties of...

Exceptional Two-Photon Absorption in Alkynylruthenium-Gold Nanoparticle Hybrids.

Nano letters

Quintana C, Morshedi M, Wang H, Du J, Cifuentes MP, Humphrey MG.
PMID: 30620605
Nano Lett. 2019 Feb 13;19(2):756-760. doi: 10.1021/acs.nanolett.8b03825. Epub 2019 Jan 16.

Ruthenium alkynyl "star" complexes with tri(2-thienyl)-, tris(1,2,3-triazolyl)-, or triphenyl-benzene cores stabilize gold nanoparticles (AuNPs). Cyclic voltammetry, transmission electron microscopy, molecular modeling, dynamic light scattering, X-ray photoelectron spectroscopy, and energy-dispersive X-ray spectroscopy studies are consistent with ca. 5 trithienyl- or...

Calcium supplementation for the prevention of hypertensive disorders of pregnancy: current evidence and programmatic considerations.

Annals of the New York Academy of Sciences

Gomes F, Ashorn P, Askari S, Belizan JM, Boy E, Cormick G, Dickin KL, Driller-Colangelo AR, Fawzi W, Hofmeyr GJ, Humphrey J, Khadilkar A, Mandlik R, Neufeld LM, Palacios C, Roth DE, Shlisky J, Sudfeld CR, Weaver C, Bourassa MW.
PMID: 35000200
Ann N Y Acad Sci. 2022 Jan 08; doi: 10.1111/nyas.14733. Epub 2022 Jan 08.

Most low- and middle-income countries present suboptimal intakes of calcium during pregnancy and high rates of mortality due to maternal hypertensive disorders. Calcium supplementation during pregnancy is known to reduce the risk of these disorders and associated complications, including...

Strong SHG Responses in a Beryllium-Free Deep-UV-Transparent Hydroxyborate via Covalent Bond Modification.

Angewandte Chemie (International ed. in English)

Wu C, Jiang X, Lin L, Dan W, Lin Z, Huang Z, Humphrey MG, Zhang C.
PMID: 34633747
Angew Chem Int Ed Engl. 2021 Dec 20;60(52):27151-27157. doi: 10.1002/anie.202113397. Epub 2021 Nov 22.

Deep-ultraviolet (deep-UV) nonlinear optical (NLO) crystals are key materials in creating tunable deep-UV lasers for frequency conversion technology. However, practical application of the sole usable crystal, KBe

Showing 13 to 24 of 286 entries