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Showing 13 to 24 of 226 entries
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High performance, waveguide integrated Ge photodetectors.

Optics express

Ahn D, Hong CY, Liu J, Giziewicz W, Beals M, Kimerling LC, Michel J, Chen J, Kärtner FX.
PMID: 19532633
Opt Express. 2007 Apr 02;15(7):3916-21. doi: 10.1364/oe.15.003916.

Photonic systems based on complementary metal oxide semiconductor (CMOS) technology require the integration of passive and active photonic devices. The integration of waveguides and photodetector is one of the most important technologies. We report a Ge p-i-n photodetector that...

Cross-coupling of C(sp)-H Bonds with Organometallic Reagents via Pd(II)/Pd(0) Catalysis**.

Israel journal of chemistry

Wasa M, Engle KM, Yu JQ.
PMID: 21552359
Isr J Chem. 2010 Dec;50(5):605-616. doi: 10.1002/ijch.201000038.

Palladium-catalyzed C-H activation/C-C bond-forming reactions have emerged as a promising class of synthetic tools in organic chemistry. Among the many different means of forging C-C bonds using Pd-mediated C-H activation, a new horizon in this field is Pd(II)-catalyzed cross-coupling...

Renal colic and urolithiasis practice patterns in Canada: a survey of Canadian Urological Association members.

Canadian Urological Association journal = Journal de l'Association des urologues du Canada

Satkunasivam R, Keays M, Pace KT.
PMID: 22031612
Can Urol Assoc J. 2011 Oct;5(5):324-7. doi: 10.5489/cuaj.10193.

BACKGROUND: We describe the practice variability of CUA (Canadian Urological Association) members and factors which predict these patterns for common stone scenarios.METHODS: We asked 308 English- and 52 French-speaking CUA members to complete online surveys in their respective languages....

Periodicity-induced effects in the scattering and absorption of light by infinite and finite gratings of circular silver nanowires.

Optics express

Natarov DM, Byelobrov VO, Sauleau R, Benson TM, Nosich AI.
PMID: 22109060
Opt Express. 2011 Oct 24;19(22):22176-90. doi: 10.1364/OE.19.022176.

We study numerically the effect of periodicity on the plasmon-assisted scattering and absorption of visible light by infinite and finite gratings of circular silver nanowires. The infinite grating is a convenient object of analysis because of the possibility to...

Catalytic Intermolecular Carboamination of Unactivated Alkenes via Directed Aminopalladation.

Journal of the American Chemical Society

Liu Z, Wang Y, Wang Z, Zeng T, Liu P, Engle KM.
PMID: 28727452
J Am Chem Soc. 2017 Aug 16;139(32):11261-11270. doi: 10.1021/jacs.7b06520. Epub 2017 Aug 04.

An intermolecular 1,2-carboamination of unactivated alkenes proceeding via a Pd(II)/Pd(IV) catalytic cycle has been developed. To realize this transformation, a cleavable bidentate directing group is used to control the regioselectivity of aminopalladation and stabilize the resulting organopalladium(II) intermediate, such...

C(alkenyl)-H Activation via Six-Membered Palladacycles: Catalytic 1,3-Diene Synthesis.

Journal of the American Chemical Society

Liu M, Yang P, Karunananda MK, Wang Y, Liu P, Engle KM.
PMID: 29630359
J Am Chem Soc. 2018 May 02;140(17):5805-5813. doi: 10.1021/jacs.8b02124. Epub 2018 Apr 23.

A catalytic method to prepare highly substituted 1,3-dienes from two different alkenes is described using a directed, palladium(II)-mediated C(alkenyl)-H activation strategy. The transformation exhibits broad scope across three synthetically useful substrate classes masked with suitable bidentate auxiliaries (4-pentenoic acids,...

A Meta-Analysis on Sex Differences in Resting-State Vagal Activity in Children and Adolescents.

Frontiers in physiology

Koenig J, Rash JA, Campbell TS, Thayer JF, Kaess M.
PMID: 28883794
Front Physiol. 2017 Aug 24;8:582. doi: 10.3389/fphys.2017.00582. eCollection 2017.

Lower vagal activity is associated with psychopathology independent of age. Research suggests that alterations of vagal activity precede the development of psychopathology. The present review aimed to quantify sex differences in vagal activity in children and adolescents. Studies reporting...

EXercise to prevent AnthrCycline-based Cardio-Toxicity (EXACT) in individuals with breast or hematological cancers: a feasibility study protocol.

Pilot and feasibility studies

Keats MR, Grandy SA, Giacomantonio N, MacDonald D, Rajda M, Younis T.
PMID: 27965861
Pilot Feasibility Stud. 2016 Aug 05;2:44. doi: 10.1186/s40814-016-0084-9. eCollection 2016.

BACKGROUND: Anthracyclines (AC), widely used and effective anticancer agents, are known to induce both acute and chronic declines in cardiovascular health, ranging in severity from asymptomatic, subclinical dysfunction to substantial cardiomyopathy leading to congestive heart failure and death. There...

Moving towards anti-racist praxis in medicine.

Lancet (London, England)

Crear-Perry J, Maybank A, Keeys M, Mitchell N, Godbolt D.
PMID: 32687809
Lancet. 2020 Aug 15;396(10249):451-453. doi: 10.1016/S0140-6736(20)31543-9. Epub 2020 Jul 17.

No abstract available.

Phase 2 Multicenter Study of Gantry-Based Stereotactic Radiotherapy Boost for Intermediate and High Risk Prostate Cancer (PROMETHEUS).

Frontiers in oncology

Pryor D, Sidhom M, Arumugam S, Bucci J, Gallagher S, Smart J, Grand M, Greer P, Keats S, Wilton L, Martin J.
PMID: 31001481
Front Oncol. 2019 Apr 02;9:217. doi: 10.3389/fonc.2019.00217. eCollection 2019.

No abstract available.

Prospective Assessment of Systemic MicroRNAs as Markers of Response to Neoadjuvant Chemotherapy in Breast Cancer.

Cancers

McGuire A, Casey MC, Waldron RM, Heneghan H, Kalinina O, Holian E, McDermott A, Lowery AJ, Newell J, Dwyer RM, Miller N, Keane M, Brown JAL, Kerin MJ.
PMID: 32645898
Cancers (Basel). 2020 Jul 07;12(7). doi: 10.3390/cancers12071820.

Neoadjuvant chemotherapy (NACT) is used in locally advanced breast cancer to reduce tumour burden prior to surgical resection. However, only a subset of NACT treated patients will respond to treatment or achieve a pathologic complete response (pCR). This multicenter,...

Ni(COD)(DQ): An Air-Stable 18-Electron Nickel(0)-Olefin Precatalyst.

Angewandte Chemie (International ed. in English)

Tran VT, Li ZQ, Apolinar O, Derosa J, Joannou MV, Wisniewski SR, Eastgate MD, Engle KM.
PMID: 32065839
Angew Chem Int Ed Engl. 2020 May 04;59(19):7409-7413. doi: 10.1002/anie.202000124. Epub 2020 Mar 18.

We report that Ni(COD)(DQ) (COD=1,5-cyclooctadiene, DQ=duroquinone), an air-stable 18-electron complex originally described by Schrauzer in 1962, is a competent precatalyst for a variety of nickel-catalyzed synthetic methods from the literature. Due to its apparent stability, use of Ni(COD)(DQ) as...

Showing 13 to 24 of 226 entries