Search Results - "Bhaskaran, Shyam"

Radiometric Autonomous Navigation Fused with Optical for Deep Space Exploration by Ely, Todd A., Seubert, Jill, Bradley, Nicholas, Drain, Ted, Bhaskaran, Shyam

“…With the advent of the Deep Space Atomic Clock, operationally accurate and reliable one-way radiometric data sent from a radio beacon (i.e., a DSN antenna or…”
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Tumbling Small Body Spin State Estimation Using Independently Simulated Images by Olson, Corwin, Russell, Ryan P., Bhaskaran, Shyam

“…Future missions to asteroids and comets will likely encounter bodies which are tumbling (i.e., not in principal axis rotation), and which have poor or…”
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Use of a bacteriophage lysin to identify a novel target for antimicrobial development by Schuch, Raymond, Pelzek, Adam J, Raz, Assaf, Euler, Chad W, Ryan, Patricia A, Winer, Benjamin Y, Farnsworth, Andrew, Bhaskaran, Shyam S, Stebbins, C Erec, Xu, Yong, Clifford, Adrienne, Bearss, David J, Vankayalapati, Hariprasad, Goldberg, Allan R, Fischetti, Vincent A

“…We identified an essential cell wall biosynthetic enzyme in Bacillus anthracis and an inhibitor thereof to which the organism did not spontaneously evolve…”
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Comparison of Deep Space Navigation Using Optical Imaging, Pulsar Time-of-Arrival Tracking, and/or Radiometric Tracking by Ely, Todd, Bhaskaran, Shyam, Bradley, Nicholas, Lazio, T. Joseph W., Martin-Mur, Tomas

“…Recent advances with space navigation technologies developed by NASA in space-based atomic clocks and pulsar X-ray navigation, combined with past successes in…”
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Correction: Radiometric Autonomous Navigation Fused with Optical for Deep Space Exploration by Ely, Todd A., Seubert, Jill, Bradley, Nicholas, Drain, Ted, Bhaskaran, Shyam

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Closed loop terminal guidance navigation for a kinetic impactor spacecraft by Bhaskaran, Shyam, Kennedy, Brian

“…A kinetic impactor spacecraft is a viable method to deflect an asteroid which poses a threat to the Earth. The technology to perform such a deflection has been…”
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Structure of the catalytic domain of the Salmonella virulence factor SseI by Bhaskaran, Shyam S., Stebbins, C. Erec

“…SseI is secreted into host cells by Salmonella and contributes to the establishment of systemic infections. The crystal structure of the C‐terminal domain of…”
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Autonomous Exploration of Small Bodies Toward Greater Autonomy for Deep Space Missions by Nesnas, Issa A. D., Hockman, Benjamin J., Bandopadhyay, Saptarshi, Morrell, Benjamin J., Lubey, Daniel P., Villa, Jacopo, Bayard, David S., Osmundson, Alan, Jarvis, Benjamin, Bersani, Michele, Bhaskaran, Shyam

“…Autonomy is becoming increasingly important for the robotic exploration of unpredictable environments. One such example is the approach, proximity operation,…”
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A structural basis for the allosteric regulation of non-hydrolysing UDP-GlcNAc 2-epimerases by Velloso, Lucas M, Bhaskaran, Shyam S, Schuch, Raymond, Fischetti, Vincent A, Stebbins, C Erec

“…The non‐hydrolysing bacterial UDP‐N‐acetylglucosamine 2‐epimerase (UDP‐GlcNAc 2‐epimerase) catalyses the conversion of UDP‐GlcNAc into UDP‐N‐acetylmannosamine,…”
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Small Body Landings Using Autonomous Onboard Optical Navigation by Bhaskaran, Shyam, Nandi, Sumita, Broschart, Stephen, Wallace, Mark, Cangahuala, L. Alberto, Olson, Corwin

“…Spacecraft landings on small bodies (asteroids and comets) present special challenges from a navigation perspective as the size of the bodies is relatively…”
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Water and Ligand Entry in Myoglobin: Assessing the Speed and Extent of Heme Pocket Hydration after CO Photodissociation by Goldbeck, Robert A., Bhaskaran, Shyam, Ortega, Cheri, Mendoza, Juan L., Olson, John S., Soman, Jayashree, Kliger, David S., Esquerra, Raymond M.

“…A previously undescribed spectrokinetic assay for the entry of water into the distal heme pocket of wild-type and mutant myoglobins is presented. Nanosecond…”
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Discovery of Novel Putative Inhibitors of UDP-GlcNAc 2‑Epimerase as Potent Antibacterial Agents by Xu, Yong, Brenning, Benjamin, Clifford, Adrianne, Vollmer, David, Bearss, Jared, Jones, Carissa, McCarthy, Virgil, Shi, Chongtie, Wolfe, Bradley, Aavula, Bhasker, Warner, Steve, Bearss, David J, McCullar, Michael V, Schuch, Raymond, Pelzek, Adam, Bhaskaran, Shyam S, Stebbins, C. Erec, Goldberg, Allan R, Fischetti, Vincent A, Vankayalapati, Hariprasad

“…We present the discovery and optimization of a novel series of inhibitors of bacterial UDP-N-acetylglucosamine 2-epimerase (called 2-epimerase in this letter)…”
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The pH Dependence of Heme Pocket Hydration and Ligand Rebinding Kinetics in Photodissociated Carbonmonoxymyoglobin by Esquerra, Raymond M., Jensen, Russell A., Bhaskaran, Shyam, Pillsbury, Marlisa L., Mendoza, Juan L., Lintner, Benjamin W., Kliger, David S., Goldbeck, Robert A.

“…We monitored the occupancy of a functionally important non-coordinated water molecule in the distal heme pocket of sperm whale myoglobin over the pH range…”
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Designer bugs: structural engineering to build a better mouse model by Bhaskaran, Shyam S, Stebbins, C Erec

“…Many animal models of bacterial diseases are hampered by differences in tissue tropism and the course of pathogenesis. In a recent issue of Cell, by rationally…”
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A structural basis for the allosteric regulation of non-hydrolysing UDP-GlcNAc 2-epimerases by Velloso, Lucas M, Bhaskaran, Shyam S, Schuch, Raymond, Fischetti, Vincent A, Stebbins, C Erec

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High-fidelity comet 67P ephemeris and predictions based on Rosetta data by Farnocchia, Davide, Bellerose, Julie, Bhaskaran, Shyam, Micheli, Marco, Weryk, Robert

“…Because of observational biases and outgassing, comets are notoriously challenging in terms of trajectory estimation and ephemeris predictions. We used…”
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Stardust Imaging Camera by Newburn Jr, Ray L., Bhaskaran, Shyam, Duxbury, Thomas C., Fraschetti, George, Radey, Tom, Schwochert, Mark

“…The Stardust spacecraft is carrying an Imaging Camera, primarily for 81P/Wild 2 approach navigation, but the camera also will provide valuable data for P/Wild…”
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Navigation evaluation for fast interstellar object flybys by Mages, Declan, Landau, Damon, Donitz, Benjamin, Bhaskaran, Shyam

“…With the discovery of 1I ’Oumuamua and 2I Borisov, interstellar objects (ISOs) have been thrust into the forefront of planetary science, and the robotic…”
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Successful kinetic impact into an asteroid for planetary defence by Daly, R. Terik, Ernst, Carolyn M., Barnouin, Olivier S., Chabot, Nancy L., Rivkin, Andrew S., Cheng, Andrew F., Adams, Elena Y., Agrusa, Harrison F., Abel, Elisabeth D., Alford, Amy L., Asphaug, Erik I., Atchison, Justin A., Badger, Andrew R., Baki, Paul, Ballouz, Ronald-L., Bekker, Dmitriy L., Bellerose, Julie, Bhaskaran, Shyam, Buratti, Bonnie J., Cambioni, Saverio, Chen, Michelle H., Chesley, Steven R., Chiu, George, Collins, Gareth S., Cox, Matthew W., DeCoster, Mallory E., Ericksen, Peter S., Espiritu, Raymond C., Faber, Alan S., Farnham, Tony L., Ferrari, Fabio, Fletcher, Zachary J., Gaskell, Robert W., Graninger, Dawn M., Haque, Musad A., Harrington-Duff, Patricia A., Hefter, Sarah, Herreros, Isabel, Hirabayashi, Masatoshi, Huang, Philip M., Hsieh, Syau-Yun W., Jacobson, Seth A., Jenkins, Stephen N., Jensenius, Mark A., John, Jeremy W., Jutzi, Martin, Kohout, Tomas, Krueger, Timothy O., Laipert, Frank E., Lopez, Norberto R., Luther, Robert, Lucchetti, Alice, Mages, Declan M., Marchi, Simone, Martin, Anna C., McQuaide, Maria E., Michel, Patrick, Moskovitz, Nicholas A., Murdoch, Naomi, Naidu, Shantanu P., Nair, Hari, Nolan, Michael C., Ormö, Jens, Pajola, Maurizio, Palmer, Eric E., Peachey, James M., Pravec, Petr, Raducan, Sabina D., Ramesh, K. T., Ramirez, Joshua R., Reynolds, Edward L., Richman, Joshua E., Robin, Colas Q., Rodriguez, Luis M., Roufberg, Lew M., Rush, Brian P., Sawyer, Carolyn A., Scheeres, Daniel J., Scheirich, Petr, Schwartz, Stephen R., Shannon, Matthew P., Shapiro, Brett N., Shearer, Caitlin E., Smith, Evan J., Steele, R. Joshua, Steckloff, Jordan K., Stickle, Angela M., Sunshine, Jessica M., Superfin, Emil A., Tarzi, Zahi B., Thomas, Cristina A., Thomas, Justin R., Trigo-Rodríguez, Josep M., Tropf, B. Teresa, Vaughan, Andrew T., Velez, Dianna, Waller, C. Dany, Wilson, Daniel S., Wortman, Kristin A., Zhang, Yun

“…Although no known asteroid poses a threat to Earth for at least the next century, the catalogue of near-Earth asteroids is incomplete for objects whose impacts…”
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Spin State Estimation of Tumbling Small Bodies by Olson, Corwin, Russell, Ryan P., Bhaskaran, Shyam

“…It is expected that a non-trivial percentage of small bodies that future missions may visit are in non-principal axis rotation (i.e. “tumbling”). The primary…”
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