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394 results on '"Puri, Nitin"'

14. Flow-Sizing Critical Care Resources*

Author

Nates, Joseph L., Oropello, John M., Badjatia, Neeraj, Beilman, Gregory, Coopersmith, Craig M., Halpern, Neil A., Herr, Daniel L., Jacobi, Judith, Kahn, Roozehra, Leung, Sharon, Puri, Nitin, Sen, Ayan, Pastores, Stephen M., Angus, Derek C., Baker, Andrew, Brown, Daniel R., Buchman, Timothy S., Christman, John W., Cobb, J. Perren, D’Agostino, Rhonda, Diaz-Gomez, Jose, Doig, Christopher, Farmer, J. Christopher, Galvagno, Samuel M., Gasperino, James, Gregg, Sara R., Kaiser, Eric, Kapu, April N., Khouli, Hassan, Kohli-Seth, Roopa, Laussen, Peter, Lilly, Craig M., Marinaro, Jon, Masur, Henry, Mehta, Gargi, Melander, Sheila, Moore, Jason, Popovich, Marc, Price, Kristen, Rahmanian, Marjan, and Sessler, Curtis

Published
2023
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15. Design and rationale of the CHILL phase II trial of hypothermia and neuromuscular blockade for acute respiratory distress syndrome

Author

Shanholtz, Carl B., Terrin, Michael L., Harrington, Thelma, Chan, Caleb, Warren, Whittney, Walter, Robert, Armstrong, Faith, Marshall, Jeffrey, Scheraga, Rachel, Duggal, Abjihit, Formanek, Perry, Baram, Michael, Afshar, Majid, Marchetti, Nathaniel, Singla, Sunit, Reilly, John, Knox, Dan, Puri, Nitin, Chung, Kevin, Brown, Clayton H., and Hasday, Jeffrey D.

Published
2023
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20. A proposed device based on MoSe2-ZnO heterojunctions on rGO for enhanced ethanol gas sensing performances at room temperature.

Author

Jain, Nikita and Puri, Nitin K

Subjects
*ETHANOL, *GAS detectors, *HETEROJUNCTIONS, *P-N heterojunctions, *MOLYBDENUM oxides
Abstract

In this research, we report an enhanced sensing response ethanol gas sensing device based on a ternary nanocomposite of molybdenum diselenide-zinc oxide heterojunctions decorated rGO (MoSe2/ZnO/rGO) at room temperature. The sensing performance of the ternary nanocomposite sensing device has been analysed for various concentrations of ethanol gas (1–500 ppm). The gas-sensing results have revealed that for 500 ppm ethanol gas concentration, the sensing device has exhibited an enhanced response value ( R g / R a ) of 50.2. Significantly, the sensing device has displayed a quick response and recovery time of 6.2 and 12.9 s respectively. In addition to this, the sensing device has shown a great prospect for long-term detection of ethanol gas (45 days). The sensing device has demonstrated the ability to detect ethanol at remarkably low concentrations of 1 ppm. The enhanced sensing performance of the ternary nanocomposite sensing device has highlighted the effective synergistic effect between MoSe2 nanosheets, ZnO nanorods, and rGO nanosheets. This has been attributed to the formation of two heterojunctions in the ternary nanocomposite sensor: a p-n heterojunction between MoSe2 and ZnO and a p-p heterojunction between MoSe2 and rGO. The analysis of the results has suggested that the proposed MoSe2/ZnO/rGO nanocomposite sensing device could be considered a promising candidate for the real-time detection of ethanol gas. [ABSTRACT FROM AUTHOR]

Published
2024
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25. Vertically aligned 2D tin sulfide (SnS) nanoplates for selective detection of ethanol gas at room temperature.

Author

Arora, Hemant K, Jain, Nikita, Kumar, Sunil, and Puri, Nitin K

Subjects
ELECTROPHORETIC deposition, GAS detectors, INDUSTRIAL safety, SCANNING electron microscopy, X-ray diffraction, ETHANOL
Abstract

Detection of ethanol gas quickly and efficiently at room temperature is crucial for ensuring environmental, human as well as industrial safety. In this work, we have demonstrated a chemiresistive room temperature ethanol gas sensor based on vertically aligned tin sulfide (SnS) nanoplates. X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), and Brunauer–Emmett–Teller (BET) analysis have revealed the formation of orthorhombic, vertically aligned SnS nanoplates with high specific surface area. The sensor has been fabricated by depositing the SnS powder sample on ITO sheets using electrophoretic deposition (EPD), followed by the deposition of silver (Ag) electrodes using the thermal evaporation technique. The sensor obtained has exhibited a response value (R g/ R a) of 17.4–400 ppm ethanol gas concentration, a quick response, and a recovery time of 12.4 s and 20.2 s at room temperature. The sensor has demonstrated long-term stability of 15 min, impressive selectivity, and remarkable repeatability across three successive test cycles of ethanol gas at 400 ppm. Based on the experimental sensing results, a plausible mechanism has been proposed for the sensor. The sensing response of SnS-based sensor at room temperature expands its potential for innovative applications across industries, marking a significant advancement in sensing technology. [ABSTRACT FROM AUTHOR]

Published
2024
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38. The Impact of Positive Fluid Balance on Sepsis Subtypes: A Causal Inference Study.

Author

Patel, Sharad, Green, Adam, Wolfe, Yanika, Felock, Gregory, Epstein, Samantha, and Puri, Nitin

Abstract

Introduction. Sepsis, the leading cause of death in hospitalized patients globally, was investigated in this study, examining the varying effects of positive fluid balance on sepsis subtypes through causal inference. Methods. In this study, data from the eICU database were utilized, extracting 35 features from sepsis patients. Fluid balance during ICU stay was the treatment, and ICU mortality was the primary outcome. Data preprocessing ensured linear assumptions for logistic regression. Binarized positive fluid balance with mortality was examined using DoWhy's logistic regression, while continuous data were analyzed with random forest T-learner. ATE served as the primary metric. Results. Results revealed that septic patients with higher fluid balance had worse mortality outcomes, with an ATE of 0.042 (95% CI: (0.034, 0.047)) using logistic regression and an ATE of 0.0340 (95% CI: (0.028–0.040)) using T-learner. In the pulmonary sepsis subtype, higher mortality was associated with increased fluid balance, showing an ATE of 0.047 (95% CI: (0.037, 0.055)) using logistic regression and an ATE of 0.28 (95% CI: (0.22, 0.34)) with T-learner. Conversely, urinary sepsis patients had improved mortality with higher fluid balance, presenting an ATE of −0.135 (95% CI: (−0.024, −0.0035)) using logistic regression and an ATE of −0.28 (95% CI: (−0.34, −0.22)) with T-learner. Conclusion. Our research implies that fluid balance impact on ICU mortality differs among sepsis subtypes. Positive fluid balance raises mortality in sepsis and pulmonary sepsis but may protect against urinary sepsis. Further trials are needed to confirm these findings. [ABSTRACT FROM AUTHOR]

Published
2023
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