9 research outputs found
Surgical meshes coated with mesenchymal stem cells provide an anti-inflammatory environment by a M2 macrophage polarization
- Author
- Abumaree
- Alejandra Usón
- Anderson
- Barski
- Bilsel
- Brodbeck
- Brodbeck
- Brown
- Brown
- Casado
- Casado
- Chen
- Chen
- Cho
- DelaRosa
- DelaRosa
- Engelsman
- Francisco Miguel Sánchez-Margallo
- Gao
- Geng
- Gerullis
- Huang
- Javier G. Casado
- Junge
- Kirby
- Klosterhalfen
- Knaän-Shanzer
- Kuo
- Li
- Liu
- Morandi
- Nakajima
- Prigione
- Prockop
- Ramasamy
- Rasmusson
- Rath
- Rebeca Blázquez
- Rogo-Gupta
- Sharda
- Sica
- Swartzlander
- Verónica Álvarez
- Wang
- Zheng
- Zogbi
- Śmietański
- Publication venue
- 'Elsevier BV'
- Publication date
- Field of study
Deciphering the epigenetic network in cancer radioresistance
- Author
- Publication venue
- 'Elsevier BV'
- Publication date
- Field of study
Regioselective alkali metal reduction of dibenzocyclooctadiene lignan derivatives, demethoxylation followed by dehalogenation
- Author
- A Maercker
- A Pyo
- BH Lipshutz
- C Moldoveanu
- CA Marques
- D Rath
- FL Xue
- FL Xue
- G Chelucci
- HC Brown
- JA Hendrix
- JA Murphy
- JA Murphy
- JB Chang
- JF Bunnett
- Jia-qi Fang
- JK Kim
- JP Soumillion
- K Bailey
- Lu-lu Deng
- M Orbach
- M Weidauer
- O Navarro
- PN Pandey
- Qing-yao Wang
- R Sharda
- SH Leung
- Shu-zhen Mu
- T Yamashita
- U Azzena
- V Dichiarante
- V Dichiarante
- V Tamara Perchyonok
- WM Czaplik
- Xiao-jiang Hao
- Y Shiraishi
- YP Zhang
- Publication venue
- 'Springer Science and Business Media LLC'
- Publication date
- Field of study
Metabolic changes in tumor cells and tumor-associated macrophages: A mutual relationship
- Author
- Albina
- Arts
- Asgharzadeh
- Barar
- Beloribi-Djefaflia
- Bianchini
- Biswas
- Biswas
- Biswas
- Caillou
- Carmona-Fontaine
- Casazza
- Chang
- Chiang
- Choi
- Clementi
- Colegio
- Colotta
- Corzo
- Cunha
- Daurkin
- Dinapoli
- Ding
- Dwarakanath
- Fernie
- Gabrilovich
- Gatenby
- Gatenby
- Gazi
- Ghassabeh
- Grassian
- Grogg
- Hanahan
- Henze
- Heusinkveld
- Houten
- Hu
- Huang
- Husain
- Jha
- Jiang
- Johannes W.A. Smit
- Joyce
- Kareva
- Karnevi
- Klimp
- Kunkel
- Laoui
- Liu
- Liu
- MacMicking
- Mantovani
- Mihai G. Netea
- Mills
- Mills
- Modolell
- Monjazeb
- Moore
- Murray
- Mustafa
- Nakao
- Nieman
- Nonomura
- O'Neill
- Owen
- Patra
- Pavlova
- Penny
- Pinheiro
- Poczobutt
- Qian
- Rao
- Rath
- Reyes
- Romana T. Netea-Maier
- Ryder
- Schlager
- Schumann
- Sharda
- Sinha
- Sobhakumari
- Tannahill
- Tomizawa
- Van Dyken
- Van Overmeire
- Wang
- Wang
- Warburg
- Wen
- Wenes
- Wokoun
- Wu
- Xiang
- Xue
- Zhang
- Zhang
- Zhang
- Zitvogel
- Publication venue
- 'Elsevier BV'
- Publication date
- Field of study
Development Constraints and Social Policy in India: A Political Explanation
- Author
- Argawala Ramgopal
- Aspalter Christian
- Aspalter Christian
- Aspalter Christian
- Aspalter Christian
- Bajpai Ranjana
- Balan K.
- Banjeri Debabar
- Banjeri Debabar
- Barura Nayan
- Basu Sajal
- Brass Paul R.
- Chandra Prakash
- Chhibbcr Pradccp K.
- Chhibber Pradeep
- Chowdhry Paul D.
- Chowdhry Paul D.
- Das Gupta Jyotirindra
- Das Hari Hara
- Drèze Jean
- Drèze Jean
- Gandotra M. M.
- Ghai Dharam
- Gocl S. L.
- Gokhale S. D.
- Grover Verindcr
- Jagannadham V.
- Jagannadham V.
- Kamal K. L.
- Kohli Atul
- Kothari Rajni
- Kshirsagar Ramacandra K.
- Kumar Sanjay
- Kurz Sonja
- Madan G. R.
- Majeed Akhtar
- Mehra Shashi
- Nagaraj K.
- Nagarajan V.
- Narang S. N.
- Natarajan S.
- Nikam Shriram
- O'Necil Biswas
- Orloff Ann Shola
- Prakash Gian
- Punckar S. D.
- Ramachandran V. K.
- Rath Sharda
- Sastri V. V.
- Sharma G. L.
- Sharma Om Prakash
- Sharma Rajcndra K.
- Siddiqui H. Y.
- Singh A. K.
- Skocpol Theda
- Skocpol Theda
- Stern Robert W.
- Vanaik Achin
- Vembar Dcsikachary
- Wadhawan S. K.
- Publication venue
- 'Informa UK Limited'
- Publication date
- Field of study
Metabolic Reprogramming of Immune Cells in Cancer Progression
- Author
- Ahmed
- Andreu
- Apetoh
- Azevedo
- Bailey
- Ben-Shoshan
- Berod
- Bindea
- Biswas
- Biswas
- Biswas
- Biswas
- Blagih
- Bonavita
- Burke
- Byles
- Cairns
- Cairo
- Caro-Maldonado
- Cedervall
- Chang
- Chang
- Chang
- Cheng
- Colegio
- Cools-Lartigue
- Corzo
- Cramer
- Cubillos-Ruiz
- Cui
- de Visser
- DeNardo
- Deng
- Dennis
- Dietl
- Doherty
- Dong
- Donnelly
- Dumitriu
- Eikawa
- Everts
- Fang
- Franklin
- Gabrilovich
- Gao
- Ghesquiere
- Gottfried
- Grivennikov
- Grohmann
- Hammami
- Hanahan
- Hanahan
- Herber
- Hong
- Hossain
- Howell
- Huang
- Jantsch
- Jha
- Jun
- Jung
- Keppel
- Khan
- Kim
- Kolev
- Krawczyk
- Kusmartsev
- Lemke
- Lewis
- Li
- Li
- Liao
- Liu
- Lochner
- Lowe
- Macintyre
- Malinarich
- Mancino
- Mantovani
- Mantovani
- Mantovani
- Martinez
- Maxwell
- Michalek
- Modolell
- Mosca
- Munn
- Murdoch
- Murray
- Nakaya
- Newsholme
- Noman
- Nomura
- Novitskiy
- Odegaard
- Okoye
- O’Sullivan
- Palsson-McDermott
- Park
- Patsoukis
- Pearce
- Pearce
- Pello
- Pello
- Peyssonnaux
- Poczobutt
- Qian
- Quail
- Rath
- Ravindran
- Recalcati
- Rius
- Rivera
- Rodriguez-Espinosa
- Rodriguez-Prados
- Ruan
- Ruffell
- Ryu
- Sag
- Saxena
- Schmid
- Schwabe
- Semenza
- Semenza
- Serafini
- Shalova
- Sharda
- Shime
- Siska
- Srivastava
- Stuehr
- Subhra K. Biswas
- Tannahill
- Tran Janco
- Traversari
- Valencia
- van der Windt
- Vats
- Wang
- Ward
- Wise
- Xue
- Yang
- Zhang
- Zhu
- Publication venue
- 'Elsevier BV'
- Publication date
- Field of study
Tumor-associated myeloid cells: new understandings on their metabolic regulation and their influence in cancer immunotherapy
- Author
- Akalu
- Arlauckas
- Baardman
- Bagalkot
- Biswas
- Brand
- Bronte
- Buck
- Carmona-Fontaine
- Chalkiadaki
- Chan
- Cimen Bozkus
- Coffelt
- Colegio
- Covarrubias
- Dawson
- De Santa
- De Santa
- Deng
- Di Biase
- Dyck
- Fan
- Fionda
- Gabrilovich
- Galic
- Galvan-Pena
- Ganeshan
- Geeraerts
- Gerriets
- Gordon
- Gorjifard
- Goveia
- Grohmann
- Harjes
- Haschemi
- Hossain
- Hu
- Huang
- Infantino
- Ip
- Jha
- Jung
- Jung
- Kang
- Kim
- Kim
- Kondo
- Kostic
- Kumar
- Kusmartsev
- Lahmar
- Lakritz
- Lewis
- Liu
- Liu
- Liu
- Liu
- Liu
- Lu
- Luo
- Lussier
- Lyssiotis
- Makkouk
- Malandrino
- Mantovani
- Mantovani
- Marques
- Matlung
- Mertens
- Michelucci
- Miller
- Mirsoian
- Modolell
- Moon
- Moran
- Mounier
- Movahedi
- Murray
- Needham
- Nefedova
- Noman
- Nomura
- Noy
- O'Neill
- Odegaard
- Ostuni
- Ouyang
- Page
- Palsson-McDermott
- Pardoll
- Park
- Patsoukis
- Penny
- Podojil
- Porta
- Prima
- Rath
- Recalcati
- Recalcati
- Reina-Campos
- Rodriguez-Prados
- Romano
- Rutkowski
- Sag
- Satoh
- Scharping
- Selby
- Semenza
- Sharda
- Sica
- Sica
- Sica
- Sica
- Silva
- Simoes
- Simpson
- Sivan
- Srivastava
- Strauss
- Swirski
- Tan
- Tannahill
- Tobin
- Vacchelli
- Vachharajani
- Van den Bossche
- Van den Bossche
- Vannini
- Vats
- Vetizou
- Wei
- Weiss
- Wellen
- Wenes
- West
- Yu
- Zaidi
- Zanganeh
- Zhu
- Zitvogel
- Publication venue
- 'Wiley'
- Publication date
- Field of study
The Welfare State in Emerging-Market Economies: With Case Studies from Latin America, Eastern-Central Europe, and Asia
- Author
- A K Singh
- Abdullah Rashidah
- Achin Vanaik
- Aidi Hu
- Aleksandra Wiktorow
- Andr� C Medici
- Andr� C Medici
- Ann Orloff
- Anna Lach
- Bao - Zhu
- Bresser Pereira
- C F Chen
- C L W Chan
- Carl Riskin
- Catherine Jones
- Cezary Mech
- Chang
- Chen
- Chi
- China Cird
- Christian Aspalter
- Christian Aspalter
- Christian Aspalter
- Colin
- D Davis
- D R Sardesai
- Das Gupta
- Debabar Banjeri
- Dehli Orissa
- Deputados C�mara Dos
- Dharam Ghai
- Donald Snodgrass
- Draibe
- E K Fisk
- F Row
- Fauzi Mohammed
- Feng Liu
- G F�bi�n
- G Yoo
- Gao
- Gero Lenhardt
- Gian Prakash
- Goa Guajarat
- Gordon White
- Gordon White
- Gough
- Guang-De Sun
- H C Tey
- H Moon
- Harry Harding
- Hsueh
- Hui Wang
- I Gough
- Ilona Gere
- Immanuel C Y Hsu
- Inform�ci�s �vk�nyv
- J F Linn
- J I You
- J Kim
- J Midgley
- Jean Dr�ze
- John E Dixon
- Joseph White
- Just
- K Balan
- K Besanzon
- K R Vijaya
- Ka Lin
- Katherine Jones
- Kolarska-Bobinska
- Krzysztof
- Ku
- Ku
- Ku
- Ku
- Ku
- Linda Wong
- Linda Wong
- M Gandotra
- M Kimenyi
- Malaya
- Malaysia
- Malim Abdullah
- Marcelo E V Moraes
- Marek Gora
- Mark Selden
- Maurice Meisner
- Midgley
- Muhd Ismael
- Nayan Barura
- Nelson W S Chow
- Nelson W S Chow
- P Wilding
- Paul R Brass
- Pedro C L Farias
- Peter Lee
- Philip G Olson
- Pradeep K Chhibber
- Pradesh
- Prakash Chandra
- Praveen Priyadarshi
- R Coulam
- R Gonz�les
- Rajasthan Karnataka
- Rajendra K Sharma
- Rajesh Sharma
- Ranjana Bajpai
- Razali Mohammed
- References Czech Republic
- Ricardo Henriques
- Rinn Shinn
- Robert W Stern
- Roziah Omar
- S D Punekar
- S I Park
- S K Wadhawan
- S N Dubey
- S Nelson W
- Sajal Basu
- Sa�de Minist�rio Da
- Sharda Rath
- She-Ying Chen
- Singh Paguman
- Soo Tan
- Soonman Kwon
- Stanislaw Gomulka
- Stanislawa Golinowska
- Stanislawa Golinowska
- S�rgio H Abranches
- T H Marshall
- The State
- Theda
- U S Hardcover
- V K Ramachandran
- V V Sastri
- Vilmar Faria
- W A Wahid
- W Peabody
- Wai-Tsang Yeung
- Wanderley G Santos
- Wilding
- World Bank
- Y W Ku
- Yahada Nurizan
- Yash Ghai
- Yunus Faizah
- Z Sz�man
- Zhi-Gang Xing
- Publication venue
- 'Elsevier BV'
- Publication date
- 01/01/2003
- Field of study
Materials Engineering with Swift Heavy Ions
- Author
- A Adla
- A Asamitsu
- A Benyagoub
- A Benyagoub
- A Benyagoub
- A Bhagwat
- A Biswas
- A Chakrabortty
- A Dunlop
- A Dunlop
- A Dunlop
- A Fnidiki
- A Gupta
- A Gupta
- A Kamarou
- A Kumar
- A Kumar
- A Narsale
- A Qureshi
- A Sawa
- A Sharma
- A Sharma
- A Sharma
- A Srivastava
- A Tripathi
- A Tripathi
- A Tripathi
- A Tripathi
- A Tripathi
- Aadesh P. Singh
- Aadesh P. Singh
- Abha Misra
- Abha Misra
- AK Pradhan
- AK Pradhan
- AK Rath
- AL González
- AM.P Hussain
- AM.P Hussain
- AM.P Hussain
- Amarjeet Kaur
- Amit Kumar
- Amit Kumar
- Amit Kumar
- Amit Kumar
- Amit Kumar
- Amit Kumar
- Amit Kumar
- Amit Kumar
- Amit Kumar
- Amit Kumar
- Amit Kumar
- Anand P Pathak
- Anjana Dogra
- Anju Dhillon
- AP Pathak
- AP Pathak
- AP Pathak
- AP Ramierez
- Aslamasov Larkin
- AV Krasheninnikov
- AV Krasheninnikov
- AV Krasheninnikov
- AV Zayats
- B Angadi
- B Joseph
- B Joseph
- B Oyuntsetseg
- B Rout
- B Satpati
- B Satpati
- B Schattat
- B Zheng
- Bas B Vas Aken
- BJ Choi
- BN Dash
- BR Mehta
- BW Smith
- C Garapon
- C Muller
- C Pandurangappa
- C Trautmann
- C Trautmann
- C-M Wang
- Cathleen A Hoel
- CG Ryan
- CG Ryan
- Chikako Yoshida
- CS Schnohr
- D Behera
- D Behera
- D Borka
- D Bromeley
- D Fink
- D Fink
- D Fink
- D Ila
- D Kabiraj
- D Kabiraj
- D Kanjilal
- D Kanjilal
- D Kumar
- D Levine
- D Plachke
- D Saikia
- D Saikia
- D Schetman
- DA Schwartz
- DC Agarwal
- DC Agarwal
- DC Agarwal
- DC Agarwal
- DC Agarwal
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Avasthi
- DK Shukla
- DM Ruck
- DM Ruck
- DP Gupta
- DP Hickey
- DR Nelson
- E Akcoltekin
- E Balanzat
- E Clemente
- E Ferain
- E Fujii
- E Koukharenko
- EJ.W Verwey
- FF Komarov
- FR Espinoza-Quiñones
- G Coddens
- G Dearnaley
- G Devaraju
- G Devaraju
- G Hayderer
- G Sattonnay
- G Szenes
- Garima Agarwal
- GB.V.S Lakshmi
- GB.V.S Lakshmi
- GJ Naga Raju
- GJ Naga Raju
- GJ Naga Raju
- GK Mehta
- GK Mehta
- GS Virdi
- H Freitas
- H Nolte
- H Rath
- H Saeki
- Hardeep Kumar
- HC Barshilia
- HD Mieskes
- Himanshu Narayan
- HK Singh
- HK Upfer
- HS Nagaraja
- Huang-Chin Chen
- Hursh
- HW Kroto
- I Aruna
- IM Govil
- J Chen
- J Conrad
- J Hu
- J Juraszek
- J Kaur
- J Krauser
- J Krauser
- J Lawrence
- J Linnros
- J Liu
- J Nakata
- J Nakata
- J Narayan
- J Sun
- J Vetter
- J Zhou
- Jai Prakash
- Jaipal D Kabiraj
- Jean-Marc Costantini
- Jens-Hendrik Zollondz
- JF Gibbons
- JG Simmons
- JL Corhay
- JM Dubois
- JM Dubois
- JS Williams
- K Ando
- K Dharamvir
- K Diva
- K Friese
- K Hoppe
- K Sato
- K Schmidt
- K Schwartz
- K Schwartz
- K Schwartz
- K Sera
- K Yoshimura
- K Zhang
- KE Sickafus
- KE Sickafus
- KG Bhole
- Kiran Jeet
- KL Kelly
- KM Varier
- KM Varier
- KR Mavani
- Krzysztof Szot
- KS Novoselov
- KS Novoselov
- L Castaneda
- L Civale
- L Vines
- LA Stweatlock
- Liping Ma
- LK Sahoo
- LP Biro
- LP Biro
- M Ahmed
- M Bender
- M Boccanfuso
- M Boccanfuso
- M Hagerott
- M Hajivaliei
- M Hajivaliei
- M Julliere
- M Kadoshima
- M Kumar
- M Kumar
- M Kumar
- M Kumar
- M Kumar
- M Kumar
- M Kumar
- M Kumar
- M Kumar
- M Lal
- M Lang
- M Malhotra
- M Sanchez del Rýo
- M Saroch
- M Saroch
- M Singh
- M Sudarshan
- M Terrones
- M Toulemonde
- M Toulemonde
- M Toulemonde
- MA Habib
- MA Subramanian
- Madhavi Thakurdesai
- Madhavi Thakurdesai
- Madhavi Thakurdesai
- Madhavi Thakurdesai
- Madhavi Thakurdesai
- Madhavi Thakurdesai
- Manika Khanuja
- Manmeet Kaur Marhas
- Manvendra Kumar
- Manvendra Kumar
- Manvendra Kumar
- Manvendra Kumar
- Maria Filomena Guerra
- Masahide Tona
- MC Porté-Durrieu
- Mitali Basu Chattopadhyay
- MK Marhas
- MK Patel
- MK Patel
- Monika Gupta
- MVR Murty
- MW Warren
- N Bajwa
- N Bajwa
- N Bajwa
- N Dave
- N Fujimura
- N Koshizaki
- N Matsunami
- N Nath
- N Reber
- N Sathish
- N Sathish
- N Sathish
- NC Mishra
- Neeti Tripathi
- Neetu Sharma
- NG Deshpande
- NL Singh
- NS Saleh
- O Herre
- OV Yazyev
- P Apel
- P Esquinazi
- P Mallick
- P Mallick
- P Mallick
- P Mallick
- P Nunes
- P Sen
- P Sonar
- P Wesolowski
- PC Srivastava
- PC Srivastava
- PI Gaiduk
- PK Diwan
- PK Diwan
- PK Diwan
- PK Diwan
- PK Diwan
- PK Kuiri
- PK Kuiri
- PK Sahoo
- PK Sahoo
- PK Sahoo
- PM Koinkar
- PM Ratheesh Kumar
- Polman
- PS Bhave
- PT Pandey
- R Bathe
- R Biswal
- R Biswal
- R Bugoi
- R Chatterjee
- R Chatterjee
- R Dubey
- R Grötzschel
- R Jourdani
- R Mazzei
- R Müller
- R Rangel-Rojo
- R Sharma
- R Singh
- R Singhal
- R Singhal
- R Singhal
- R Singhal
- R Singhal
- R Singhal
- R Sreekumar
- R Wasser
- Ram Prakash
- Ratnamala Chatterjee
- Ravi Kumar
- Ravi Kumar
- Ravindra Kumar
- Ravindra Kumar
- RC Budhani
- RC Budhani
- RC Budhani
- RC Ramola
- RJ Choudhary
- RL Fleischer
- Rodney C. Ewing
- RR Ahire
- RR Ahire
- RT Rautray
- S Arulkumaran
- S Bandow
- S Bhuloka Reddy
- S Budak
- S Chandramohan
- S Chawla
- S Dhamodaran
- S Dhamodaran
- S Dhamodaran
- S Dhar
- S Dhar
- S Ghosh
- S Ghosh
- S Ghosh
- S Ghosh
- S Ghosh
- S Ghosh
- S Ghosh
- S Ghosh
- S Ghosh
- S Ghosh
- S Ghosh
- S Iijima
- S Iijima
- S Kala
- S Klaumunzer
- S Kumar
- S Kumar
- S Kumar
- S Kumar
- S Kumar
- S Lotha
- S Mechler
- S Mohapatra
- S Mohapatra
- S Mookerjee
- S Patnaik
- S Prawer
- S Santra
- S Sen
- S Talapatra
- S Vatankhah
- S Zhou
- SA Agnihotry
- SA Khan
- SA Khan
- SA Khan
- SA Wolf
- Sanghamitra Khatua
- Sanjukta Ghosh
- Sanjukta Ghosh
- Sankar Dhar
- Santosh K Shrestha
- Sarvesh Kumar
- SB Ogale
- SB Ogale
- SB Ogale
- SD Kaushik
- SE Lofland
- SE Lofland
- SG Kaplan
- Shiva S. Hullavarad
- Shubhra Kala
- Shyam Kumar
- SI Bozhevolnyi
- SJ Pearton
- SK Arora
- SK Arora
- SK Sinha
- SK Sinha
- SK Srivastava
- SK Srivastava
- SQ Liu
- ST Chavan
- ST Chavan
- SV.S Nageswara Rao
- SV.S Nageswara Rao
- SVS Nageswara Rao
- SVS Nageswara Rao
- SVS Nageswara Rao
- SVS Nageswara Rao
- T Banerjee
- T Banerjee
- T Banerjee
- T Haugan
- T Makino
- T Minami
- T Mohanty
- T Mohanty
- T Schenkel
- T Som
- T Som
- T Som
- T Som
- T Som
- T Som
- T Som
- T Som
- T Som
- T Venkatesan
- T Wakano
- T Wiss
- T Yuji
- Tamalika Banerjee
- Tapobrata Som
- Tarun Sharda
- Tejashree M Bhave
- Tejashree M Bhave
- TL Makarova
- TW Hickmott
- US Joshi
- US Joshi
- US Joshi
- V Hari Kumar
- V Harikumar
- V Heera
- V John Kennedy
- V John Kennedy
- V Ramaswamy
- V Rao
- V Rodguez-Iglesias
- V Vijayan
- VK Mittal
- VK Mittal
- VV Ison
- VV Ison
- VV Ison
- VV Ison
- W Assmann
- W Maenhaut
- W Skorupa
- W Wesch
- W Wesch
- W Yu
- WL Wang
- WM Arnoldbik
- WM Arnoldbik
- Y Batra
- Y Batra
- Y Conraux
- Y Sudershan
- Y Sun
- Y Watanabe
- Yatendra S Chaudhary
- Yatendra S Chaudhury
- Yatendra S. Chaudhary
- YB Nian
- YJ Kim
- YK Mishra
- YK Mishra
- YK Mishra
- YK Mishra
- YK Mishra
- YK Mishra
- YK Vijay
- Yousuf Pyar Ali
- Z Yin
- ZL Wang
- Publication venue
- 'Springer Science and Business Media LLC'
- Publication date
- 01/01/2011
- Field of study