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Showing 1 to 12 of 199 entries
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How science fairs shaped my career

Broadening participation

Yoho R.
GSID: -wksKKsdzeoJ
R Yoho - Science, 2015 - science.org

On a hot summer day nearly 10 years ago, I found myself straining pig manure to remove maggots for use in my high school science fair project. At the time, I certainly wondered if the …

Liquid Chromatography-Mass Spectrometry Metabolic and Lipidomic Sample Preparation Workflow for Suspension-Cultured Mammalian Cells using Jurkat T lymphocyte Cells.

Journal of proteomics & bioinformatics

Ulmer CZ, Yost RA, Chen J, Mathews CE, Garrett TJ.
PMID: 26401069
J Proteomics Bioinform. 2015 Jun;8(6):126-132. doi: 10.4172/jpb.1000360.

Metabolomics is the comprehensive study of metabolism as it pertains to an organism or biological system. Lipidomics, a subset discipline of metabolomics, encompasses the study of cellular lipid functions: including pathways, networks, and interactions. The abundance of metabolites and...

Atypical ultrasound features of parathyroid tumours may bear a relationship to their clinical and biochemical presentation.

Insights into imaging

Chandramohan A, Sathyakumar K, John RA, Manipadam MT, Abraham D, Paul TV, Thomas N, Paul MJ.
PMID: 24293304
Insights Imaging. 2014 Feb;5(1):103-11. doi: 10.1007/s13244-013-0297-x. Epub 2013 Nov 29.

OBJECTIVES: To describe atypical ultrasound features of parathyroid lesions and correlate them with clinical presentation and histopathology.MATERIALS AND METHODS: Retrospective review of 264 patients with primary hyperparathyroidism who underwent ultrasound imaging prior to parathyroidectomy was performed. Patients with atypical...

Probing trapped ion energies via ion-molecule reaction kinetics: Quadrupole ion trap mass spectrometry.

Journal of the American Society for Mass Spectrometry

Basic C, Eyler JR, Yost RA.
PMID: 24234638
J Am Soc Mass Spectrom. 1992 Oct;3(7):716-26. doi: 10.1016/1044-0305(92)87084-C.

We present a detailed study of the energies of the ions stored in a quadrupole ion trap mass spectrometer (QITMS). Previous studies have shown that the rate constant, k, for the charge exchange reaction Ar(+) N(+) 2 →, N(+)...

Partial unroofed coronary sinus associated with upper septal ventricular tachycardia and atrioventricular nodal reentrant tachycardia.

Indian pacing and electrophysiology journal

Bohora S, Singh P, Shah K.
PMID: 25852246
Indian Pacing Electrophysiol J. 2015 Apr 01;15(1):68-72. doi: 10.1016/s0972-6292(16)30845-2. eCollection 2015.

A 58 year old gentleman with complaints of palpitations and documented tachycardia was found to have a dilated right atrium, right ventricle and coronary sinus, which were due to partial unroofed coronary sinus without a left superior vena cava....

Estimation of mutagenic/carcinogenic potential of environmental contaminants by ion-molecule reactions and tandem mass spectrometry.

Journal of the American Society for Mass Spectrometry

Freeman JA, Johnson JV, Hail ME, Yost RA, Kuehl DW.
PMID: 24248619
J Am Soc Mass Spectrom. 1990 Feb;1(1):110-5. doi: 10.1016/1044-0305(90)80014-E.

The ability to produce and detect products of model DNA/carcinogen ion-molecule reactions is demonstrated in the ion source and the collision cell of a triple quadrupole tandem mass spectrometer. Reaction between adenine and benzoyl chloride in the ion source...

Field measurements of sonic boom penetration into the ocean.

The Journal of the Acoustical Society of America

Sohn RA, Vernon F, Hildebrand JA, Webb SC.
PMID: 10875353
J Acoust Soc Am. 2000 Jun;107(6):3073-83. doi: 10.1121/1.429336.

Six sonic booms, generated by F-4 aircraft under steady flight at a range of altitudes (610-6100 m) and Mach numbers (1.07-1.26), were measured just above the air/sea interface, and at five depths in the water column. The measurements were...

Further experiences with intermittent occlusion of the renal pedicle.

Surgical forum

YOHO A, STUEBER P, KOLETSKY S, PERSKY L.
PMID: 13787349
Surg Forum. 1960;11:499-501.

No abstract available.

Internal energy deposition in chemical ionization/tandem mass spectrometry.

Journal of the American Society for Mass Spectrometry

Ospina MP, Powell DH, Yost RA.
PMID: 12586459
J Am Soc Mass Spectrom. 2003 Feb;14(2):102-9. doi: 10.1016/S1044-0305(02)00814-0.

The efficiency of the collision-induced dissociation (CID) process as a function of the internal energy deposited into the ion during the ionization event was evaluated. (M + H)+ ions of pyrrole, pyrrolidine, pyridine and piperidine (five and six-membered ring...

Computational modeling of hysterical paralysis.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference

Iyoho A, Nair SS, Xu D, Nair J, Beitman B.
PMID: 17271822
Conf Proc IEEE Eng Med Biol Soc. 2004;2004:894-7. doi: 10.1109/IEMBS.2004.1403303.

A preliminary computational model for hysterical paralysis is developed using neuro-circuitry information and systems biology principles. The model captures the salient features of the neuro-psychiatric disorder reported in the literature. Studies are on-going to model in more detail both...

Pharmaceutical and clinical analysis by tandem mass spectrometry.

Talanta

Yost RA, Perchalski RJ, Brotherton HO, Johnson JV, Budd MB.
PMID: 18963770
Talanta. 1984 Oct;31(10):929-35. doi: 10.1016/0039-9140(84)80223-4.

Tandem mass spectrometry (MS/MS) is a promising technique for trace determination of compounds in complex mixtures. The application of triple-quadrupole MS/MS to clinical and pharmacological studies has been investigated with major emphasis on rapid screening and determination of drugs...

Isolated vasculitis of the cervix presenting as vaginal discharge.

Journal of clinical rheumatology : practical reports on rheumatic & musculoskeletal diseases

Banerjee S, Nason FG, Yood RA.
PMID: 17043474
J Clin Rheumatol. 2004 Apr;10(2):89-91. doi: 10.1097/01.rhu.0000120980.70622.f2.

A 44-year-old woman previously in excellent health presented with clear vaginal discharge. Pelvic examination revealed a friable cervix that showed small-vessel necrotizing vasculitis on cone biopsy. She had no clinical evidence of systemic vasculitis or any connective tissue disease....

Showing 1 to 12 of 199 entries