547 research outputs found
UNILATERAL ENTRAPMENT OF RENAL ARTERY BY DIAPHRAGMATIC CRUS Shruthi B N
No full textRenal artery entrapment by the diaphragmatic crus is a very infrequent cause of renovascular hypertension. Renal arteriography confirms a 50% reduction in diameter (stenosis) of the renal artery entrapped by the diaphragmatic crus. During routine dissection for undergraduates in an adult male cadaver the extrinsic compression of renal artery was observed on right side. Crus of the diaphragm were passing anterior to renal artery causing compression of renal artery. On left side it was normal. It is important to detect the aetiology of renal artery stenosis because correct diagnosis of renal artery entrapment is difficult but crucial. The investigations rely on a high index of suspicion and include Doppler ultrasound and spiral computed tomography angiography, which permits the visualization of the diaphragm and its relationships with the aorta. This pathology unlike common renal artery stenosis, requires surgical decompression and sometimes aortorenal bypass graft
Real-time processing and visualization of intensive care unit data
No full textThesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2017.This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.Cataloged from student-submitted PDF version of thesis.Includes bibliographical references (page 83).Intensive care unit (ICU) patients undergo detailed monitoring so that copious information regarding their condition is available to support clinical decision-making. Full utilization of the data depends heavily on its quantity, quality and manner of presentation to the physician at the bedside of a patient. In this thesis, we implemented a visualization system to aid ICU clinicians in collecting, processing, and displaying available ICU data. Our goals for the system are: to be able to receive large quantities of patient data from various sources, to compute complex functions over the data that are able to quantify an ICU patient's condition, to plot the data using a clean and interactive interface, and to be capable of live plot updates upon receiving new data. We made significant headway toward our goals, and we succeeded in creating a highly adaptable visualization system that future developers and users will be able to customize.by Shruthi Narayanan.M. Eng
sj-docx-1-aor-10.1177_00034894231204720 – Supplemental material for A Pilot Study: Free Flap Atrophy in Tongue Reconstruction Using 3D Volumetric Analysis
No full textSupplemental material, sj-docx-1-aor-10.1177_00034894231204720 for A Pilot Study: Free Flap Atrophy in Tongue Reconstruction Using 3D Volumetric Analysis by Jordan I. Gewirtz, Songzhu Zhao, Guy Brock, Michael D. Luttrull, Shruthi Sethuraman, Stephen Y. Kang, Kyle K. VanKoevering and Nolan B. Seim in Annals of Otology, Rhinology & Laryngology</p
Adapting TCP/IP protocol to a Time-Slotted NFC Channel present in a Wireless Power Environment
No full textKitchen is becoming a hotbed for innovation in the Internet of Things (IoT) revolution. Many kitchen appliances are being connected to the Internet to facilitate `smart-cooking'. The appliances are becoming cordless too, i.e., they are being powered by the inductive power sources which are integrated into the kitchen counter-tops. The Wireless Power Consortium (WPC) has proposed standards for smart-cooking in cordless kitchens by enabling communication using the near field communication (NFC) protocol between the appliance and the power transmitter. In order to keep the appliances safe as well as reduce the cost of the appliances, it is required that the NFC channel should be exploited to enable Internet connectivity in the appliances. However, due to practical constraints, the NFC channel is time-slotted. Furthermore, this NFC channel has low data rates and high latencies. These constraints make it highly challenging to enable Internet connectivity for these resource-constrained cooking appliances for IoT applications.This thesis explores different ways of providing Internet connectivity to the cordless kitchen appliances using the time-slotted NFC channel. Two architectures are proposed based on this method, namely the Proxy and the Bridge architectures. In the proxy architecture, the cordless appliances implement only the application layer and tunnel the application data through the NFC channel which will then be used by the power source to create TCP/IP packets for the appliance. In the bridge architecture, the appliances implement all the layers of the TCP/IP network stack. All the TCP/IP traffic is sent through the NFC channel and the power source acts as an intermediate hop. These architectures are evaluated in detail to determine the best-suited architecture. The thesis concludes that the bridge architecture, although heavy on the appliances, truly creates an IoT-enabled appliance, and therefore adopts it.While it is proposed to send the complete TCP/IP packets to go over the NFCchannel, the impact on the performance of the protocols needs to be investigated, specifically the TCP as it is the most used protocol for IoT applications. The performance of the TCP will be affected due to several reasons: (a) the time-slotted NFC channel; (b) low data rates on the NFC; (c) delays in accessing the NFC channel, and (d) no control over the network stack of the other TCP end-point. Furthermore, the behavior of the TCP in such resource-constrained channels aggravate the problems as spurious retransmissions get triggered. This work presents important challenges that need to be solved in order to enable the TCP to work smoothly in the time-slotted NFC channels. Two major performance problems that occur in such an environment are identified, viz., spurious retransmissions and packet drops at the NFC interface. The existence of the problems are verified with an experimental setup of the cordless kitchen and solutions are presented to these challenges: (a) determine the optimal retransmission timeout and the heuristic, and (b) avoid packet drops due to small inter-packet delay on the NFC channel. Next, a detailed parametric analysis of the other TCP parameters such as contention window size and maximum segment size of the TCP packets is performed.From the evaluation, it is found that the proposed solutions can almost completely eliminate spurious retransmissions. With these solutions up to 38% reduction in the system latency is achieved at an NFC bit rate of 11.2 kbps and up to 53% at 24 kbps in the time-slotted mode. By implementing these solutions and choosing the right parameter values for the TCP, it is possible to seamlessly adapt and use the TCP for the time-slotted and resource-constrained NFC channel, and enable a truly IoT-based cooking experience for the smart cordless kitchens
Studies on oxidative enzymes and bioactive compounds from green gram.
No full textThis Dissertation / Report is the outcome of investigation carried out by the creator(s) / author(s) at the department/division of Central Food Technological Research Institute (CFTRI), Mysore mentioned below in this page
Design and Development of Innovative Online Semolina Drier
No full textThis Dissertation / Report is the outcome of investigation carried out by the creator(s) / author(s) at the department/division of Central Food Technological Research Institute (CFTRI), Mysore mentioned below in this page
Multi-institutional study of risk factors for perioperative morbidity following transnasal endoscopic pituitary adenoma surgery
No full textAbstract not availableCaitlin C. Boling, Tom T. Karnezis, Andrew B. Baker, Lauren A. Lawrence, Zachary M. Soler, W. Alexander Vandergrift, III, Sarah K. Wise, John M. DelGaudio, Zara M. Patel, Shruthi K. Rereddy, John M. Lee, Mohemmed N. Khan, Satish Govindaraj, Chun Chan, Sakiko Oue, Alkis J. Psaltis, Peter-John Wormald, Samuel Trosman, Janalee Stokken, Troy Woodard, Raj Sindwani and Rodney J. Schlosse
Synthesis, structural, thermal and Hirshfeld surface analysis of novel [1,2,4]triazolo[3,4-b][1,3,4] thiadiazine carrying 1,4-benzothiazine-3-one moiety
No full textThe cAMP inducible promoter of long noncoding RNA LINC00473 is widely conserved in vertebrates
No full textThe long noncoding RNA LINC00473 (LNC473) is thought to regulate brain function through
its role in CREB-dependent gene expression. Frequently cited as a gene conserved only in
primate species, we found that LNC473’s promoter (which regulates expression of the gene) is
highly conserved in non-primate species, although the function of this conserved sequence in
non-primate species is unknown. The conserved human LNC473 promoter contains two separate
sequences known as cyclic AMP response elements (CREs). These CREs are targets for CREB
protein binding after its activation via the intracellular cAMP signalling pathway. Both LNC473
promoter CREs are fully conserved as distantly as the armadillo. To evaluate cAMP
responsiveness of the LNC473 promoter, we will clone the conserved promoter sequence from
mice and examine its ability to regulate the bioluminescent reporter gene firefly luciferase in
human and mouse cells that are stimulated with forskolin to increase cAMP signalling and
activate CREB. Luciferase assays will be performed to infer promoter activity based on
luminescence in forskolin and control treated cells. Our results will test the cAMP inducibility of
the conserved LNC473 promoter in a non-primate species. Future directions include
investigation into the genes regulated by the LNC473 promoter in non-primate species
Comparative evaluation of microleakage of conventional and modifications of glass ionomer cement in primary teeth: An in vitro study
No full textAims: The aim of the present study was to evaluate the microleakage among conventional, resin modified glass ionomer cements (GIC), and compomer cements in primary teeth. Materials and Methods: Forty-five over retained non carious primary molars beyond exfoliation time were collected and randomly divided into three groups (n = 15). Group A: GC Fuji II; Group B: Vitremer; Group C: Compoglass F. A standard Class V cavity was prepared on the buccal surface of each tooth with no mechanical retention and restored accordingly. Then all the samples were subjected to thermocycling for 250 cycles at different temperatures and covered with nail varnish. Later, samples were immersed in 0.5% methylene blue dye for 24 h. Teeth were sectioned buccolingually through the center of the restoration and studied under a stereomicroscope for dye penetration. Data obtained were analyzed using Kruskal-Wallis ANOVA and Mann-Whitney U-test. Results: Samples restored with vitremer showed comparatively higher microleakage than the samples in other groups. However, overall there were no significant difference between the microleakage scores of the samples in all three groups (P > 0.05). Conclusion: It can be concluded that none of the three GICs was free from microleakage. Hence, further research is required to compare microleakage of the newer material
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