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https://www.readbyqxmd.com/read/27906349/single-longitudinal-mode-diamond-raman-laser-in-the-eye-safe-spectral-region-for-water-vapor-detection
#1
Oliver Lux, Soumya Sarang, Robert J Williams, Aaron McKay, Richard P Mildren
We report a narrowband and tunable diamond Raman laser generating eye-safe radiation suitable for water vapor detection. Frequency conversion of a tunable pump laser operating from 1063 to 1066 nm to the second order Stokes component in an external standing-wave cavity yielded 7 W of multimode output power in the wavelength range from 1483 to 1488 nm at a conversion efficiency of 21%. Stable single longitudinal mode operation was achieved over the whole tuning range at low power (0.1 W), whereas incorporation of a volume Bragg grating as an output coupler enabled much higher stable power to be attained (0...
November 28, 2016: Optics Express
https://www.readbyqxmd.com/read/27906223/axial-super-resolution-evanescent-wave-tomography
#2
Sarang Pendharker, Swapnali Shende, Ward Newman, Stephen Ogg, Neda Nazemifard, Zubin Jacob
Optical tomographic reconstruction of a three-dimensional (3D) nanoscale specimen is hindered by the axial diffraction limit, which is 2-3 times worse than the focal plane resolution. We propose and experimentally demonstrate an axial super-resolution evanescent wave tomography method that enables the use of regular evanescent wave microscopes like the total internal reflection fluorescence microscope beyond surface imaging and achieve a tomographic reconstruction with axial super-resolution. Our proposed method based on Fourier reconstruction achieves axial super-resolution by extracting information from multiple sets of 3D fluorescence images when the sample is illuminated by an evanescent wave...
December 1, 2016: Optics Letters
https://www.readbyqxmd.com/read/27891030/the-role-of-transforaminal-percutaneous-endoscopic-discectomy-in-lumbar-disc-herniations
#3
Sarang Gotecha, Deepak Ranade, Sujay Vikhe Patil, Ashish Chugh, Megha Kotecha, Shrikant Sharma, Prashant Punia
OBJECTIVES: To study 1)the efficacy of transforaminal percutaneous endoscopic lumbar discectomy in lumbar disc herniations.2) limitations and advantages of the surgical procedure. 3)morbidity and complications associated with the procedure. MATERIALS AND METHODS: This study was carried out on 120 patients who had single level herniated disc Pre-operative assessment of VAS and MSS scoring systems were documented one day prior to surgery. Post operative results were determined by MacNab criteria and by modified Suezawa and Schreiber clinical scoring system (MSS score)...
October 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27833335/the-role-of-dentistry-in-disaster-management-and-victim-identification-an-overview-of-challenges-in-indo-nepal-scenario
#4
REVIEW
Shubha Ranjan Dutta, Purnima Singh, Deepak Passi, Don Varghese, Sarang Sharma
BACKGROUND: Recently, natural disasters and terrorist activities have been leading to mass casualty situations unexpectedly around the globe. In addition to the traditional emergency medical services centering around medically trained and paramedic personnel, dental practitioners having vital skills and attributes may be important in responding to a mass casualty situation. OBJECTIVE: This paper aims at discussing the role of dentists in disaster management and the role of forensic odontology in the disaster victim identification (DVI), its status in India and some suggestions to develop the plans for same...
December 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27790601/erupted-large-anterior-maxillary-complex-odontoma-a-rare-dental-hamartoma
#5
Shubha Ranjan Dutta, Deepak Passi, Sarang Sharma, Purnima Singh, Musharib Ahmed
No abstract text is available yet for this article.
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27780578/moderate-hypothermia-at-warmer-temperatures-is-safe-in-elective-proximal-and-total-arch-surgery-results-in-665-patients
#6
Ourania Preventza, Joseph S Coselli, Andrea Garcia, Sarang Kashyap, Shahab Akvan, Katherine H Simpson, Matt D Price, Faisal G Bakaeen, Lorraine D Cornwell, Shuab Omer, Kim I de la Cruz, Scott A LeMaire, Denton A Cooley
OBJECTIVE: To evaluate adverse outcomes after elective aortic arch surgery performed at higher or lower temperatures (24.0°C-28.0°C vs 20.1°C-23.9°C) within the wide range of moderate hypothermia. METHODS: Over a 9-year period, a total of 665 patients underwent elective proximal (n = 479) or total (n = 186) arch replacement with moderate hypothermia and antegrade cerebral perfusion. Circulatory arrest was initiated at an actual temperature of 20.1°C to 23...
September 24, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27769226/the-effectiveness-of-a-housing-first-adaptation-for-ethnic-minority-groups-findings-of-a-pragmatic-randomized-controlled-trial
#7
Vicky Stergiopoulos, Agnes Gozdzik, Vachan Misir, Anna Skosireva, Aseefa Sarang, Jo Connelly, Adam Whisler, Kwame McKenzie
BACKGROUND: Little is known about the effectiveness of Housing First (HF) among ethnic minority groups, despite its growing popularity for homeless adults experiencing mental illness. This randomized controlled trial tests the effectiveness of a HF program using rent supplements and intensive case management, enhanced by anti-racism and anti-oppression practices for homeless adults with mental illness from diverse ethnic minority backgrounds. METHODS: This unblinded pragmatic field trial was carried out in community settings in Toronto, Canada...
October 21, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27768379/adiabatic-quantum-search-in-open-systems
#8
Dominik S Wild, Sarang Gopalakrishnan, Michael Knap, Norman Y Yao, Mikhail D Lukin
Adiabatic quantum algorithms represent a promising approach to universal quantum computation. In isolated systems, a key limitation to such algorithms is the presence of avoided level crossings, where gaps become extremely small. In open quantum systems, the fundamental robustness of adiabatic algorithms remains unresolved. Here, we study the dynamics near an avoided level crossing associated with the adiabatic quantum search algorithm, when the system is coupled to a generic environment. At zero temperature, we find that the algorithm remains scalable provided the noise spectral density of the environment decays sufficiently fast at low frequencies...
October 7, 2016: Physical Review Letters
https://www.readbyqxmd.com/read/27761866/health-risk-assessment-of-heavy-metals-in-wheat-using-different-water-qualities-implication-for-human-health
#9
Zafar Iqbal Khan, Kafeel Ahmad, Sidrah Rehman, Samra Siddique, Humayun Bashir, Asma Zafar, Muhammad Sohail, Salem Alhajj Ali, Eugenio Cazzato, Giuseppe De Mastro
In the recent years, the use of sewage water for irrigation has attracted the attention of arid and semi-arid countries where the availability of fresh water is poor. Despite the potential use of sewage water in crop irrigation as effective and sustainable strategy, the environmental and human risks behind this use need to be deeply investigated. In this regard, an experiment was carried out under field conditions in Nursery, University College of Agriculture Sargodha, to evaluate the possible health risks of undesirable metals in wheat grains...
October 20, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27752204/retracted-article-honey-extract-as-medicament-for-treatment-of-dry-socket-an-ancient-remedy-rediscovered-case-series-and-literature-review
#10
Deepak Passi, Geeta Singh, Shubharanjan Dutta, Sarang Sharma, Sonal Mishra, Chandan Gupta
No abstract text is available yet for this article.
September 2016: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/27664318/methyl-isobutyl-ketone-induced-hepatocellular-carcinogenesis-in-b6c3f1-mice-a-constitutive-androstane-receptor-car-mediated-mode-of-action
#11
B J Hughes, J Thomas, A M Lynch, S J Borghoff, S Green, T Mensing, S S Sarang, M J LeBaron
In a National Toxicology Program (NTP) chronic inhalation study with methyl isobutyl ketone (MIBK), increases in hepatocellular adenomas and hepatocellular adenomas and carcinomas (combined) were observed in male and female B6C3F1 mice at 1800 ppm. A DNA reactive Mode-of-Action (MOA) for this liver tumor response is not supported by the evidence as MIBK and its major metabolites lack genotoxicity in both in vitro and in vivo studies. Constitutive androstane receptor (CAR) nuclear receptor-mediated activation has been hypothesized as the MOA for MIBK-induced mouse liver tumorigenesis...
November 2016: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/27664209/novel-circulating-placental-markers-prokineticin-1-soluble-fms-like-tyrosine-kinase-1-soluble-endoglin-and-placental-growth-factor-and-association-with-late-miscarriage
#12
C N Jayasena, A Abbara, A N Comninos, S Narayanaswamy, J Gonzalez Maffe, C Izzi-Engbeaya, J Oldham, T T M Lee, Z Sarang, Z Malik, M K Dhanjal, C Williamson, L Regan, S R Bloom, W S Dhillo
STUDY QUESTION: Are novel circulating placental markers prokineticin-1 (PK-1), soluble fms-like tyrosine kinase-1 (sFlt-1), soluble endoglin (sEng) and placental growth factor (PlGF) associated with late miscarriage in asymptomatic first trimester pregnant women? SUMMARY ANSWER: Increased serum sFlt-1 or PlGF, but not sEng or PK-1, were significantly associated with reduced miscarriage risk after adjustment for age, BMI, gestational age, smoking and blood pressure...
September 22, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27661886/high-gain-87-cm-sup-1-sup-raman-line-of-kyw-and-its-impact-on-continuous-wave-raman-laser-operation
#13
Soumya Sarang, Robert J Williams, Oliver Lux, Ondrej Kitzler, Aaron McKay, Hadiya Jasbeer, Richard P Mildren
We report a quasi-continuous-wave external cavity Raman laser based on potassium yttrium tungstate (KYW). Laser output efficiency and spectrum are severely affected by the presence of high gain Raman modes of low frequency (< 250 cm<sup>-1</sup>) that are characteristic of this crystal class. Output spectra contained frequency combs spaced by the low frequency modes but with the overall pump-to-Stokes conversion efficiency at least an order of magnitude lower than that typically obtained in other crystal Raman lasers...
September 19, 2016: Optics Express
https://www.readbyqxmd.com/read/27650109/freiberg-s-infarction-treated-with-metatarsal-shortening-osteotomy-marrow-stimulation-and-micronized-allograft-cartilage-matrix-a-case-report
#14
Sarang Desai
: Freiberg's infarction is a well-known condition that most commonly effects the second metatarsophalangeal joint. The etiology of Freiberg's infarction is not entirely clear and there is no consensus on treatment. The case report presents a patient successfully treated with a metatarsal shortening osteotomy, marrow stimulation, and micronized allograft cartilage matrix. This is to my knowledge the first reported case using the described technique for Freiberg's infarction. LEVELS OF EVIDENCE: Therapeutic, Level V: Expert opinion...
September 19, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27555726/sex-determination-by-mandibular-ramus-a-digital-orthopantomographic-study
#15
K Samatha, Sujata Mohan Byahatti, Renuka Anand Ammanagi, Praveena Tantradi, Chandan Kaur Sarang, Prachi Shivpuje
AIMS AND OBJECTIVES: (1) To determine the usefulness of mandibular ramus as an aid in sex determination. (2) To evaluate Anteroposterior | superioinferior angle of mandibular condyle. MATERIALS AND METHODS: A retrospective study was conducted using orthopantomographs of 60 males and 60 females, which were taken using Kodak 8000C Digital Panoramic and Cephalometric System (73 kVp, 12 mA, 13.9 s). The age group ranged between 18 - 45 years. Mandibular ramus measurements were carried out using Master View 3...
May 2016: Journal of Forensic Dental Sciences
https://www.readbyqxmd.com/read/27521743/slow-theta-power-decreases-during-item-place-encoding-predict-spatial-accuracy-of-subsequent-context-recall
#16
Maité Crespo-García, Monika Zeiller, Claudia Leupold, Gernot Kreiselmeyer, Stefan Rampp, Hajo M Hamer, Sarang S Dalal
Human hippocampal theta oscillations play a key role in accurate spatial coding. Associative encoding involves similar hippocampal networks but, paradoxically, is also characterized by theta power decreases. Here, we investigated how theta activity relates to associative encoding of place contexts resulting in accurate navigation. Using MEG, we found that slow-theta (2-5Hz) power negatively correlated with subsequent spatial accuracy for virtual contextual locations in posterior hippocampus and other cortical structures involved in spatial cognition...
August 10, 2016: NeuroImage
https://www.readbyqxmd.com/read/27471170/low-temperature-excitonic-spectroscopy-and-dynamics-as-a-probe-of-quality-in-hybrid-perovskite-thin-films
#17
Som Sarang, Hidetaka Ishihara, Yen-Chang Chen, Oliver Lin, Ajay Gopinathan, Vincent C Tung, Sayantani Ghosh
We have developed a framework for using temperature dependent static and dynamic photoluminescence (PL) of hybrid organic-inorganic perovskites (PVSKs) to characterize lattice defects in thin films, based on the presence of nanodomains at low temperature. Our high-stability PVSK films are fabricated using a novel continuous liquid interface propagation technique, and in the tetragonal phase (T > 120 K), they exhibit bi-exponential recombination from free charge carriers with an average PL lifetime of ∼200 ns...
July 29, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27426087/umbilical-cord-derived-mesenchymal-stem-cells-useful-in-insulin-production-another-opportunity-in-cell-therapy
#18
Shabari Sarang, Chandra Viswanathan
BACKGROUND AND OBJECTIVES: Type 1 Diabetes Mellitus (T1DM) is an autoimmune disorder resulting out of T cell mediated destruction of pancreatic beta cells. Immunomodulatory properties of mesenchymal stem cells may help to regenerate beta cells and/or prevent further destruction of remnant, unaffected beta cells in diabetes. We have assessed the ability of umbilical cord derived MSCs (UCMSCs) to differentiate into functional islet cells in vitro. METHODS AND RESULTS: We have isolated UCMSCs and allowed sequential exposure of various inducing agents and growth factors...
May 30, 2016: International Journal of Stem Cells
https://www.readbyqxmd.com/read/27399605/hierarchical-electrospun-and-cooperatively-assembled-nanoporous-ni-nio-mnox-carbon-nanofiber-composites-for-lithium-ion-battery-anodes
#19
Sarang M Bhaway, Yu-Ming Chen, Yuanhao Guo, Pattarasai Tangvijitsakul, Mark D Soucek, Miko Cakmak, Yu Zhu, Bryan D Vogt
A facile method to fabricate hierarchically structured fiber composites is described based on the electrospinning of a dope containing nickel and manganese nitrate salts, citric acid, phenolic resin, and an amphiphilic block copolymer. Carbonization of these fiber mats at 800 °C generates metallic Ni-encapsulated NiO/MnOx/carbon composite fibers with average BET surface area (150 m(2)/g) almost 3 times higher than those reported for nonporous metal oxide nanofibers. The average diameter (∼900 nm) of these fiber composites is nearly invariant of chemical composition and can be easily tuned by the dope concentration and electrospinning conditions...
August 3, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27257841/contralateral-supraorbital-keyhole-approach-to-medial-optic-nerve-lesions-an-anatomoclinical-study
#20
Harminder Singh, Walid I Essayed, Ajit Jada, Nelson Moussazadeh, Sivashanmugam Dhandapani, Sarang Rote, Theodore H Schwartz
OBJECTIVE The authors describe the supraorbital keyhole approach to the contralateral medial optic nerve and tract, both in a series of cadaveric dissections and in 2 patients. They also discuss the indications and contraindications for this procedure. METHODS In 3 cadaver heads, bilateral supraorbital keyhole minicraniotomies were performed to expose the ipsilateral and contralateral optic nerves. The extent of exposure of the medial optic nerve was assessed. In 2 patients, a contralateral supraorbital keyhole approach was used to remove pathology of the contralateral medial optic nerve and tract...
June 3, 2016: Journal of Neurosurgery
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