Eliminating nearfield coupling in dense high quality factor phase gradient metasurfaces

Autor: Ameyaw, Samuel, Lin, Lin, Zhao, Bo, Delgado, Hamish Carr, Lawrence, Mark

High Q phase gradient metasurfaces are becoming promising elements for revolutionizing light manipulation but near-field coupling typically forces a trade-off between quality factor and resolution. Here, we show a strategy for not just reducing but e

Externí odkaz: http://arxiv.org/abs/2405.08854

Principles of spintronic THz emitters

Autor: Wu, Weipeng, Ameyaw, Charles Yaw, Doty, Matthew F., Jungfleisch, M. Benjamin

Publikováno v: J. Appl. Phys. 130, 091101 (2021)

Significant progress has been made in answering fundamental questions about how and, more importantly, on what time scales interactions between electrons, spins, and phonons occur in solid state materials. These complex interactions are leading to th

Externí odkaz: http://arxiv.org/abs/2108.04771

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Women’s household decision-making power and contraceptive use in Mali

Autor: Abdul-Aziz Seidu, Bright Opoku Ahinkorah, Ebenezer Kwesi Armah-Ansah, Louis Kobina Dadzie, Richard Gyan Aboagye, Edward Kwabena Ameyaw, Eugene Budu, Betregiorgis Zegeye, Sanni Yaya

Publikováno v: Reproductive Health, Vol 19, Iss 1, Pp 1-7 (2022)

Abstract Background Utilization of contraceptives remains low in several countries in sub-Saharan Africa despite evidence of its benefits. Several factors are associated with contraceptive use. However, little is known about the association between w

Externí odkaz: https://doaj.org/article/9a4ba9836a3a438d98279aa684643372

Mapping age- and sex-specific HIV prevalence in adults in sub-Saharan Africa, 2000–2018

Autor: Emily Haeuser, Audrey L. Serfes, Michael A. Cork, Mingyou Yang, Hedayat Abbastabar, E. S. Abhilash, Maryam Adabi, Oladimeji M. Adebayo, Victor Adekanmbi, Daniel Adedayo Adeyinka, Saira Afzal, Bright Opoku Ahinkorah, Keivan Ahmadi, Muktar Beshir Ahmed, Yonas Akalu, Rufus Olusola Akinyemi, Chisom Joyqueenet Akunna, Fares Alahdab, Fahad Mashhour Alanezi, Turki M. Alanzi, Kefyalew Addis Alene, Robert Kaba Alhassan, Vahid Alipour, Amir Almasi-Hashiani, Nelson Alvis-Guzman, Edward Kwabena Ameyaw, Saeed Amini, Dickson A. Amugsi, Robert Ancuceanu, Davood Anvari, Seth Christopher Yaw Appiah, Jalal Arabloo, Olatunde Aremu, Mulusew A. Asemahagn, Mohammad Asghari Jafarabadi, Atalel Fentahun Awedew, Beatriz Paulina Ayala Quintanilla, Martin Amogre Ayanore, Yared Asmare Aynalem, Samad Azari, Zelalem Nigussie Azene, B. B. Darshan, Tesleem Kayode Babalola, Atif Amin Baig, Maciej Banach, Till Winfried Bärnighausen, Arielle Wilder Bell, Akshaya Srikanth Bhagavathula, Nikha Bhardwaj, Pankaj Bhardwaj, Krittika Bhattacharyya, Ali Bijani, Zebenay Workneh Bitew, Somayeh Bohlouli, Obasanjo Afolabi Bolarinwa, Archith Boloor, Ivana Bozicevic, Zahid A. Butt, Rosario Cárdenas, Felix Carvalho, Jaykaran Charan, Vijay Kumar Chattu, Mohiuddin Ahsanul Kabir Chowdhury, Dinh-Toi Chu, Richard G. Cowden, Saad M. A. Dahlawi, Giovanni Damiani, Eugene Kofuor Maafo Darteh, Aso Mohammad Darwesh, José das Neves, Nicole Davis Weaver, Diego De Leo, Jan-Walter De Neve, Kebede Deribe, Keshab Deuba, Samath Dharmaratne, Mostafa Dianatinasab, Daniel Diaz, Alireza Didarloo, Shirin Djalalinia, Fariba Dorostkar, Eleonora Dubljanin, Bereket Duko, Maha El Tantawi, Shaimaa I. El-Jaafary, Babak Eshrati, Sharareh Eskandarieh, Oghenowede Eyawo, Ifeanyi Jude Ezeonwumelu, Sayeh Ezzikouri, Farshad Farzadfar, Nazir Fattahi, Nelsensius Klau Fauk, Eduarda Fernandes, Irina Filip, Florian Fischer, Nataliya A. Foigt, Masoud Foroutan, Takeshi Fukumoto, Mohamed M. Gad, Abhay Motiramji Gaidhane, Birhan Gebresillassie Gebregiorgis, Ketema Bizuwork Gebremedhin, Lemma Getacher, Keyghobad Ghadiri, Ahmad Ghashghaee, Mahaveer Golechha, Mohammed Ibrahim Mohialdeen Gubari, Harish Chander Gugnani, Rafael Alves Guimarães, Mohammad Rifat Haider, Arvin Haj-Mirzaian, Samer Hamidi, Abdiwahab Hashi, Soheil Hassanipour, Hadi Hassankhani, Khezar Hayat, Claudiu Herteliu, Hung Chak Ho, Ramesh Holla, Mostafa Hosseini, Mehdi Hosseinzadeh, Bing-Fang Hwang, Segun Emmanuel Ibitoye, Olayinka Stephen Ilesanmi, Irena M. Ilic, Milena D. Ilic, Rakibul M. Islam, Chidozie C. D. Iwu, Mihajlo Jakovljevic, Ravi Prakash Jha, John S. Ji, Kimberly B. Johnson, Nitin Joseph, Vasna Joshua, Farahnaz Joukar, Jacek Jerzy Jozwiak, Leila R. Kalankesh, Rohollah Kalhor, Naser Kamyari, Tanuj Kanchan, Behzad Karami Matin, Salah Eddin Karimi, Gbenga A. Kayode, Ali Kazemi Karyani, Maryam Keramati, Ejaz Ahmad Khan, Gulfaraz Khan, Md Nuruzzaman Khan, Khaled Khatab, Jagdish Khubchandani, Yun Jin Kim, Adnan Kisa, Sezer Kisa, Jacek A. Kopec, Soewarta Kosen, Sindhura Lakshmi Koulmane Laxminarayana, Ai Koyanagi, Kewal Krishan, Barthelemy Kuate Defo, Nuworza Kugbey, Vaman Kulkarni, Manasi Kumar, Nithin Kumar, Dian Kusuma, Carlo La Vecchia, Dharmesh Kumar Lal, Iván Landires, Heidi Jane Larson, Savita Lasrado, Paul H. Lee, Shanshan Li, Xuefeng Liu, Afshin Maleki, Preeti Malik, Mohammad Ali Mansournia, Francisco Rogerlândio Martins-Melo, Walter Mendoza, Ritesh G. Menezes, Endalkachew Worku Mengesha, Tuomo J. Meretoja, Tomislav Mestrovic, Andreea Mirica, Babak Moazen, Osama Mohamad, Yousef Mohammad, Abdollah Mohammadian-Hafshejani, Reza Mohammadpourhodki, Salahuddin Mohammed, Shafiu Mohammed, Ali H. Mokdad, Masoud Moradi, Paula Moraga, Sumaira Mubarik, Getaneh Baye B. Mulu, Lillian Mwanri, Ahamarshan Jayaraman Nagarajan, Mukhammad David Naimzada, Muhammad Naveed, Javad Nazari, Rawlance Ndejjo, Ionut Negoi, Frida N. Ngalesoni, Georges Nguefack-Tsague, Josephine W. Ngunjiri, Cuong Tat Nguyen, Huong Lan Thi Nguyen, Chukwudi A. Nnaji, Jean Jacques Noubiap, Virginia Nuñez-Samudio, Vincent Ebuka Nwatah, Bogdan Oancea, Oluwakemi Ololade Odukoya, Andrew T. Olagunju, Babayemi Oluwaseun Olakunde, Bolajoko Olubukunola Olusanya, Jacob Olusegun Olusanya, Ahmed Omar Bali, Obinna E. Onwujekwe, Orish Ebere Orisakwe, Nikita Otstavnov, Stanislav S. Otstavnov, Mayowa O. Owolabi, P. A. Mahesh, Jagadish Rao Padubidri, Adrian Pana, Ashok Pandey, Seithikurippu R. Pandi-Perumal, Fatemeh Pashazadeh Kan, George C. Patton, Shrikant Pawar, Emmanuel K. Peprah, Maarten J. Postma, Liliana Preotescu, Zahiruddin Quazi Syed, Navid Rabiee, Amir Radfar, Alireza Rafiei, Fakher Rahim, Vafa Rahimi-Movaghar, Amir Masoud Rahmani, Kiana Ramezanzadeh, Juwel Rana, Chhabi Lal Ranabhat, Sowmya J. Rao, David Laith Rawaf, Salman Rawaf, Reza Rawassizadeh, Lemma Demissie Regassa, Nima Rezaei, Aziz Rezapour, Mavra A. Riaz, Ana Isabel Ribeiro, Jennifer M. Ross, Enrico Rubagotti, Susan Fred Rumisha, Godfrey M. Rwegerera, Sahar Saeedi Moghaddam, Rajesh Sagar, Biniyam Sahiledengle, Maitreyi Sahu, Marwa Rashad Salem, Hossein Samadi Kafil, Abdallah M. Samy, Benn Sartorius, Brijesh Sathian, Abdul-Aziz Seidu, Amira A. Shaheen, Masood Ali Shaikh, Morteza Shamsizadeh, Wondimeneh Shibabaw Shiferaw, Jae Il Shin, Roman Shrestha, Jasvinder A. Singh, Valentin Yurievich Skryabin, Anna Aleksandrovna Skryabina, Shahin Soltani, Mu’awiyyah Babale Sufiyan, Takahiro Tabuchi, Eyayou Girma Tadesse, Nuno Taveira, Fisaha Haile Tesfay, Rekha Thapar, Marcos Roberto Tovani-Palone, Gebiyaw Wudie Tsegaye, Chukwuma David Umeokonkwo, Bhaskaran Unnikrishnan, Jorge Hugo Villafañe, Francesco S. Violante, Bay Vo, Giang Thu Vu, Yohannes Dibaba Wado, Yasir Waheed, Richard G. Wamai, Yanzhong Wang, Paul Ward, Nuwan Darshana Wickramasinghe, Katherine Wilson, Sanni Yaya, Paul Yip, Naohiro Yonemoto, Chuanhua Yu, Mikhail Sergeevich Zastrozhin, Yunquan Zhang, Zhi-Jiang Zhang, Simon I. Hay, Laura Dwyer-Lindgren, on behalf of Local Burden of Disease sub-Saharan Africa HIV Prevalence Collaborators

Publikováno v: BMC Medicine, Vol 20, Iss 1, Pp 1-24 (2022)

Abstract Background Human immunodeficiency virus and acquired immune deficiency syndrome (HIV/AIDS) is still among the leading causes of disease burden and mortality in sub-Saharan Africa (SSA), and the world is not on track to meet targets set for e

Externí odkaz: https://doaj.org/article/a981abbb9568492aa24709125ca99f58