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Showing 1 to 12 of 258 entries
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Effect of backward walking on attention: possible application on ADHD.

Translational medicine @ UniSa

Viggiano D, Travaglio M, Cacciola G, Di Costanzo A.
PMID: 25674550
Transl Med UniSa. 2014 Dec 19;11:48-54. eCollection 2015.

The human requires attentive effort as assessed in dual-task experiments. Consistently, an attentive task can modify the walking pattern and a attention deficit and hyperactivity disorder (ADHD) is accompanied by gait modifications. Here we investigated the relationships between backward...

Temperature-dependent kinetic measurements and quasi-classical trajectory studies for the OH(+) + H2/D2 → H2O(+)/HDO(+) + H/D reactions.

The Journal of chemical physics

Martinez O, Ard SG, Li A, Shuman NS, Guo H, Viggiano AA.
PMID: 26395708
J Chem Phys. 2015 Sep 21;143(11):114310. doi: 10.1063/1.4931109.

We have measured the temperature-dependent kinetics for the reactions of OH(+) with H2 and D2 using a selected ion flow tube apparatus. Reaction occurs via atom abstraction to result in H2O(+)/HDO(+) + H/D. Room temperature rate coefficients are in...

Kinetics of Cations with C.

The journal of physical chemistry. A

Wiens JP, Martinez O, Ard SG, Sweeny BC, Viggiano AA, Shuman NS.
PMID: 28949143
J Phys Chem A. 2017 Oct 26;121(42):8061-8068. doi: 10.1021/acs.jpca.7b07778. Epub 2017 Oct 13.

Reactions of the cations Ar

Parachute Jumping Induces More Sympathetic Activation Than Cortisol Secretion in First-Time Parachutists.

Asian journal of sports medicine

Messina G, Chieffi S, Viggiano A, Tafuri D, Cibelli G, Valenzano A, Triggiani AI, Messina A, De Luca V, Monda M.
PMID: 27217924
Asian J Sports Med. 2016 Mar 08;7(1):e26841. doi: 10.5812/asjsm.26841. eCollection 2016 Mar.

BACKGROUND: The word "stress" describes the status of the body affected by external or internal forces, or "stressors", threatening to alter its dynamic balance or homeostasis. The adaptive changes which occur in reply to stressors are either behavioral or...

Mutual neutralization of atomic rare-gas cations (Ne(+), Ar(+), Kr(+), Xe(+)) with atomic halide anions (Cl(-), Br(-), I(-)).

The Journal of chemical physics

Shuman NS, Miller TM, Johnsen R, Viggiano AA.
PMID: 25669520
J Chem Phys. 2014 Jan 28;140(4):044304. doi: 10.1063/1.4862151.

We report thermal rate coefficients for 12 reactions of rare gas cations (Ne(+), Ar(+), Kr(+), Xe(+)) with halide anions (Cl(-), Br(-), I(-)), comprising both mutual neutralization (MN) and transfer ionization. No rate coefficients have been previously reported for these...

Reactivity from excited state (4)FeO(+) + CO sampled through reaction of ground state (4)FeCO(+) + N2O.

The Journal of chemical physics

Ard SG, Shuman NS, Martinez O, Brown SA, Sawyer JC, Viggiano AA.
PMID: 27334158
J Chem Phys. 2016 Jun 21;144(23):234303. doi: 10.1063/1.4953553.

The kinetics of the FeCO(+) + N2O reaction have been studied at thermal energies (300-600 K) using a variable temperature selected ion flow tube apparatus. Rate constants and product branching fractions are reported. The reaction is modestly inefficient, proceeding...

Ambient and modified atmospheric ion chemistry: from top to bottom.

Chemical reviews

Shuman NS, Hunton DE, Viggiano AA.
PMID: 25659834
Chem Rev. 2015 May 27;115(10):4542-70. doi: 10.1021/cr5003479. Epub 2015 Feb 09.

No abstract available.

Coupling an electrospray source and a solids probe/chemical ionization source to a selected ion flow tube apparatus.

The Review of scientific instruments

Melko JJ, Ard SG, Shuman NS, Pedder RE, Taormina CR, Viggiano AA.
PMID: 26329209
Rev Sci Instrum. 2015 Aug;86(8):084101. doi: 10.1063/1.4927716.

A new ion source region has been constructed and attached to a variable temperature selected ion flow tube. The source features the capabilities of electron impact, chemical ionization, a solids probe, and electrospray ionization. The performance of the instrument...

Selected-ion flow tube temperature-dependent measurements for the reactions of O₂⁺ with N atoms and N₂⁺ with O atoms.

The Journal of chemical physics

Martinez O, Sanchez JC, Ard SG, Li A, Melko JJ, Shuman NS, Guo H, Viggiano AA.
PMID: 25903888
J Chem Phys. 2015 Apr 21;142(15):154305. doi: 10.1063/1.4916913.

The temperature variation of rate constants has been measured for the gas phase reactions of the oxycation O2(+) with N atoms and of N2(+) with O atoms from 120 to 400 K using a variable temperature-selected ion flow tube....

Don't close that school.

The West Virginia medical journal

VIGGIANO MA, STEVENSON CA.
PMID: 13558086
W V Med J. 1958 Jun;54(6):200-1 passim.

No abstract available.

Advancing educators and education by defining the components and evidence associated with educational scholarship.

Medical education

Simpson D, Fincher RM, Hafler JP, Irby DM, Richards BF, Rosenfeld GC, Viggiano TR.
PMID: 17822412
Med Educ. 2007 Oct;41(10):1002-9. doi: 10.1111/j.1365-2923.2007.02844.x. Epub 2007 Sep 05.

OBJECTIVE: This study aimed to establish documentation standards for medical education activities, beyond educational research, for academic promotion consistent with principles of excellence and scholarship.METHODS: In 2006 a Consensus Conference on Educational Scholarship was convened by the Association of...

Rate constants and branching ratios for the dissociative recombination of CO2(+).

The Journal of chemical physics

Viggiano AA, Ehlerding A, Hellberg F, Thomas RD, Zhaunerchyk V, Geppert WD, Montaigne H, Larsson M, Kaminska M, Osterdahl F.
PMID: 15974716
J Chem Phys. 2005 Jun 08;122(22):226101. doi: 10.1063/1.1926283.

No abstract available.

Showing 1 to 12 of 258 entries