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Showing 1 to 12 of 395 entries
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Students' Expectations, Types of Instruction, and Instructor Strategies Predicting Student Response to Active Learning

science instructors

Borrego MJ, Husman JE, Nguyen KA, Shekhar P.
GSID: SmMBGyGEjF4J
KA Nguyen, JE Husman, MJ Borrego, P Shekhar… - AERA Online Paper …, 2017 - ERIC

Engineering instructors' adoption of active learning has been slow, despite significant evidence supporting its efficacy. A common instructor concern is that students will respond …

Access to Imidazo[1,2-a]pyridines via Annulation of α-Keto Vinyl Azides and 2-Aminopyridines.

Organic letters

Adiyala PR, Mani GS, Nanubolu JB, Shekar KC, Maurya RA.
PMID: 26308984
Org Lett. 2015 Sep 04;17(17):4308-11. doi: 10.1021/acs.orglett.5b02124. Epub 2015 Aug 26.

A novel strategy for the synthesis of imidazo[1,2-a]pyridines via efficient catalyst/metal-free annulations of α-keto vinyl azides and 2-aminopyridines is described. Several imidazo[1,2-a]pyridines were synthesized from readily available vinyl azides and 2-aminopyridines and obtained in highly pure form by simply...

Berry phase and band structure analysis of the Weyl semimetal NbP.

Scientific reports

Sergelius P, Gooth J, Bäßler S, Zierold R, Wiegand C, Niemann A, Reith H, Shekhar C, Felser C, Yan B, Nielsch K.
PMID: 27667203
Sci Rep. 2016 Sep 26;6:33859. doi: 10.1038/srep33859.

Weyl semimetals are often considered the 3D-analogon of graphene or topological insulators. The evaluation of quantum oscillations in these systems remains challenging because there are often multiple conduction bands. We observe de Haas-van Alphen oscillations with several frequencies in...

Acute spontaneous atraumatic bilateral anterior dislocation of the shoulder joint with Hill-Sach's lesions: A rare case.

Journal of orthopaedic case reports

Sachit M, Shekhar A, Shekhar S, Joban SH.
PMID: 27299022
J Orthop Case Rep. 2015 Jan-Mar;5(1):55-7. doi: 10.13107/jocr.2250-0685.256.

INTRODUCTION: Late diagnoses of orthopedic injuries after epileptic crisis are a matter of concern. The rarity of correlation between seizure and specific trauma incidences such as bilateral anterior shoulder dislocation, may lead to improper estimation of the patient's clinical...

Interlocked benzenes in triangular π-architectures: anchoring groups dictate ion binding and transmission.

Physical chemistry chemical physics : PCCP

Shekar SC, Kumar Meena S, Swathi RS.
PMID: 28357422
Phys Chem Chem Phys. 2017 Apr 19;19(16):10264-10273. doi: 10.1039/c6cp08898h.

Macrocyclic compounds like crown ethers, calixarenes, etc. are well explored in the literature as receptors for alkali metal ions. In most of these studies, the size of the macrocyclic cavity has evolved as the prominent determining criterion for the...

Anisotropic visible photoluminescence from thermally annealed few-layer black phosphorus.

Nanotechnology

Zhao C, Sekhar MC, Lu W, Zhang C, Lai J, Jia S, Sun D.
PMID: 29578458
Nanotechnology. 2018 Jun 15;29(24):245202. doi: 10.1088/1361-6528/aab98e. Epub 2018 Mar 26.

Black phosphorus, a two-dimensional material, with high carrier mobility, tunable direct bandgap and anisotropic electronic properties has attracted enormous research interest towards potential application in electronic, optoelectronic and optomechanical devices. The bandgap of BP is thickness dependent, ranging from...

Erratum to: "Trans-stent B-mode Ultrasound and Passive Cavitation Imaging" in Ultrasound Med Biol 2016;42(2):518-527.

Ultrasound in medicine & biology

Haworth KJ, Raymond JL, Radhakrishnan K, Moody MR, Huang SL, Peng T, Shekhar H, Klegerman ME, Kim H, McPherson DD, Holland CK.
PMID: 27021187
Ultrasound Med Biol. 2016 May;42(5):1244. doi: 10.1016/j.ultrasmedbio.2016.01.016. Epub 2016 Feb 12.

No abstract available.

Intramolecular cycloadditions of photogenerated azaxylylenes: an experimental and theoretical study.

The journal of physical chemistry. A

Mukhina OA, Cronk WC, Kumar NN, Sekhar MC, Samanta A, Kutateladze AG.
PMID: 24958234
J Phys Chem A. 2014 Nov 13;118(45):10487-96. doi: 10.1021/jp504281y. Epub 2014 Jun 24.

The mechanism of intramolecular cycloadditions of azaxylylenes photogenerated via excited-state intramolecular proton transfer (ESIPT) in aromatic o-amido ketones and aldehydes bearing unsaturated functionalities was studied experimentally and computationally. In time-correlated single-photon counting experiments, no relation was found between lifetimes...

Rad6 is a Potential Early Marker of Melanoma Development.

Translational oncology

Rosner K, Adsule S, Haynes B, Kirou E, Kato I, Mehregan DR, Shekhar MP.
PMID: 24831578
Transl Oncol. 2014 May 12; doi: 10.1016/j.tranon.2014.04.009. Epub 2014 May 12.

Melanoma is the leading cause of death from skin cancer in industrialized countries. Several melanoma-related biomarkers and signaling pathways have been identified; however, their relevance to melanoma development/progression or to clinical outcome remains to be established. Aberrant activation of...

Risk factors for endophthalmitis following cataract surgery-our experience at a tertiary eye care centre in India.

International journal of ophthalmology

Khanna RC, Ray VP, Latha M, Cassard SD, Mathai A, Sekhar GC.
PMID: 26682170
Int J Ophthalmol. 2015 Dec 18;8(6):1184-9. doi: 10.3980/j.issn.2222-3959.2015.06.19. eCollection 2015.

AIM: To determine the risk factors for acute endophthalmitis after cataract extraction in a tertiary care centre in India.METHODS: We performed a nested case control study within a retrospective cohort. The surgical records of all patients with clinically diagnosed...

Conservative Management of Dens Evaginatus: Report of Two Unusual Cases.

International journal of clinical pediatric dentistry

Shekhar MG, Vijaykumar S, Tenny J, Ravi GR.
PMID: 27507925
Int J Clin Pediatr Dent. 2010 May-Aug;3(2):121-4. doi: 10.5005/jp-journals-10005-1067. Epub 2010 Aug 17.

Dens evaginatus (DE) is a rare developmental anomaly characterized by presence of an extra cusp arising from occlusal or lingual surfaces. Isolated occurrence or concomitant presence of DE with other dental anomalies has been reported. DE commonly affects permanent...

Enhanced resistive switching characteristics in Pt/BaTiO.

Scientific reports

Silva JP, Faita FL, Kamakshi K, Sekhar KC, Moreira JA, Almeida A, Pereira M, Pasa AA, Gomes MJ.
PMID: 28397865
Sci Rep. 2017 Apr 11;7:46350. doi: 10.1038/srep46350.

An enhanced resistive switching (RS) effect is observed in Pt/BaTiO

Showing 1 to 12 of 395 entries