Zobrazeno 1 - 10
of 323
pro vyhledávání: '"Nandakumar G"'
Publikováno v:
Annals of Oncology Research and Therapy, Vol 3, Iss 1, Pp 46-48 (2023)
Osteogenic sarcoma is a high-grade tumor with greater preponderance for hematogenous metastasis. The most common sites for metastases are the lungs, bones, and lymph nodes. We present in this case report a 24-year-old man with recurrent high-grade os
Externí odkaz:
https://doaj.org/article/4d5b8360e5b448bfbe2d9843e6f7851a
Autor:
Arpita Sahu, Ronny Mathew, Renuka Ashtekar, Archya Dasgupta, Ameya Puranik, Abhishek Mahajan, Amit Janu, Amitkumar Choudhari, Subhash Desai, Nandakumar G. Patnam, Abhishek Chatterjee, Vijay Patil, Nandini Menon, Yash Jain, Venkatesh Rangarajan, Indraja Dev, Sridhar Epari, Ayushi Sahay, Prakash Shetty, Jayant Goda, Aliasgar Moiyadi, Tejpal Gupta
Publikováno v:
Frontiers in Nuclear Medicine, Vol 3 (2023)
IntroductionConventional magnetic resonance imaging (MRI) has limitations in differentiating tumor recurrence (TR) from radionecrosis (RN) in high-grade gliomas (HGG), which can present with morphologically similar appearances. Multiparametric advanc
Externí odkaz:
https://doaj.org/article/146284c5580c444090d38d1b985d106d
Autor:
Aashna Karbhari, Sherly Mosessian, Kamaxi H Trivedi, Frank Valla, Mark Jacobson, Mark J Truty, Nandakumar G Patnam, Diane M Simeone, Elcin Zan, Tracy Brennan, Hongli Chen, Phillip H Kuo, Ken Herrmann, Ajit H Goenka
Publikováno v:
PLoS ONE, Vol 18, Iss 11, p e0294564 (2023)
BackgroundPancreatic ductal adenocarcinoma (PDAC) is a lethal disease prone to widespread metastatic dissemination and characterized by a desmoplastic stroma that contributes to poor outcomes. Fibroblast activation protein (FAP)-expressing Cancer-Ass
Externí odkaz:
https://doaj.org/article/d97e5dada246454a86bf00ed25ef44cc
Publikováno v:
A&A 690, A226 (2024)
Neutron-capture elements represent an important nucleosynthetic channel in the study of the Galactic Chemical Evolution of stellar populations. For stellar populations behind significant extinction, such as those in the Galactic Center and along the
Externí odkaz:
http://arxiv.org/abs/2408.12971
In order to investigate the chemical history of the entire MilkyWay, it is imperative to also study the dust-obscured regions, where most of the mass lies. The Galactic Center is an example of such a region of interest, where due to the intervening d
Externí odkaz:
http://arxiv.org/abs/2401.03793
Publikováno v:
A&A 676, A79 (2023)
The origin and evolution of fluorine in the Milky Way galaxy is still in debate. In particular, the increase of the [F/Fe] in metal-rich stars found from near-IR HF-lines is challenging to explain theoretically. We determine the fluorine abundances f
Externí odkaz:
http://arxiv.org/abs/2306.08446
Publikováno v:
A&A 675, A23 (2023)
Cool stars, such as M giants, can only be analysed in the near-infrared (NIR) regime due to the ubiquitous TiO features in optical spectra of stars with Teff < 4000 K. In dust obscured regions, like the inner bulge and Galactic Center, the intrinsica
Externí odkaz:
http://arxiv.org/abs/2305.00486
Autor:
Nieuwmunster, N., Nandakumar, G., Spitoni, E., Ryde, N., Schultheis, M., Rich, R. M., Barklem, P. S., Agertz, O., Renaud, F., Matteucci, F.
Publikováno v:
A&A 671, A94 (2023)
In this paper, we aim to derive high-precision alpha-element abundances using CRIRES high-resolution IR spectra of 72 cool M giants of the inner Galactic bulge. Silicon, magnesium, and calcium abundances were determined by fitting a synthetic spectru
Externí odkaz:
http://arxiv.org/abs/2301.10271
Autor:
Nandakumar, G., Ryde, N., Montelius, M., Thorsbro, B., Jönsson, H., Mace, G., Observatory, Lund, Astronomy, Department of, Physics, Theoretical, University, Lund, Lund, SE-221 00, Sweden, Institute, Kapteyn Astronomical, Groningen, University of, Groningen, NL-9747 AD, Netherlands, the, Science, School of, Tokyo, The University of, Hongo, 7-3-1, Bunkyo-ku, Japan, Science, Materials, Mathematics, Applied, University, Malmö, Malmö, SE-205 06, Observatory, McDonald, Texas, The University of, Austin, USA
Publikováno v:
A&A 668, A88 (2022)
Phosphorus (P) is considered to be one of the key elements for life, making it an important element to look for in the abundance analysis of spectra of stellar systems. Yet, there exists only a handful of spectroscopic studies to estimate the P abund
Externí odkaz:
http://arxiv.org/abs/2210.04940
Autor:
Nguyen, H., Rugel, M. R., Menten, K. M., Brunthaler, A., Dzib, S. A., Yang, A. Y., Kauffmann, J., Pillai, T., Nandakumar, G., Schultheis, M., Urquhart, J. S., Dokara, R., Gong, Y., Medina, S-N. X., Ortiz-León, G. N., Reich, W., Wyrowski, F., Beuther, H., Cotton, W. D., Csengeri, T., Pandian, J. D., Roy, N.
Publikováno v:
A&A 651, A88 (2021)
The Central Molecular Zone (CMZ), a $\sim$200 pc sized region around the Galactic Centre, is peculiar in that it shows a star formation rate (SFR) that is suppressed with respect to the available dense gas. To study the SFR in the CMZ, young stellar
Externí odkaz:
http://arxiv.org/abs/2105.03212