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The editorial team greatly appreciates the reviewers who have dedicated their considerable time and expertise to the journal’s rigorous editorial process over the past 12 months, regardless of whether the papers are finally published or not

Thanks to the contribution of our reviewers, in 2021, the median time to first decision was 15 days and the median time to publication was 41 days. The editors would like to extend their gratitude and recognition to the following reviewers for their precious time and dedication, regardless of whether the papers they reviewed were finally published: Abundo, Roberto Kozub, Barbara Aiello, Orazio Kralov, Ivan Alkhattabi, Mona Krueger, Eddy Almeida, Fernando Krysina, O. V. Amin, Farhan Kuanar, Shiba Amir, Azimi Yancheshme Kukielka, Krzysztof Andriyanov, Nikita Kulagin, Roman Apollonio, Ciro Kulawik, Adam Artal-Sevil, Jesús Sergio Lacasa, Pilar Bagui, Sikha L’Afflitto, Andrea Balsa, José Lai, Cristian Barbon Junior, Sylvio Lara Molina, Fabian Andres Barile, Gianluca Lazzeri, Alessandro Barone, Selene Lee, Albert Barragán-Sánchez, Raquel Lee, Ilkeun Barrientos, Antonio Lee, Jong Yun Batistella, Marcos Lee, Sunhee Belda, José Lehocky, Marian Ben Haj Frej, Mohamed Lewy, Hadas Bertsch, Arnaud Li, Yuanchao Bieryla, Kathleen Lin, Jeng-Chyan Muti Blatchley, Michael Litchfield, Alan T. Blatnický, Miroslav López Garcia, José Manuel Boboc, Răzvan Gabriel Lowdon, Joseph W. Borecki, Michal Luo, Ningqi Borowicz, Marcin Madsen, Dag Øivind Bouchekara, Houssem Manabe, Yoshifumi Brando, Carmen Manakhov, Anton Buń, Paweł Mariotti, Gabriele Virzì Calvo, Roque Markiewicz, Anna Campisi, Giuseppina Markovic, Goran B. Canali, Claudia Masciadri, Andrea Carnell, George Masinde, Muthoni Carrato, Sergio Michalowska, Joanna Casarejos, Enrique Miturska, Izabela Cataldo, Rosella Munuera, Pedro Catuogno, Luigi Na, Jun-Hee Chen, De Jiu Namiot, Dmitry Chen, Kuen-Suan Navarro-Flores, Emmanuel Cheng, Gong Neira-Tovar, Leticia A. Cheng, Tsang-Hsiang Nuere, Silvia Chiulan, Ioana Olszówka-Myalska, Anita Cho, Namchul O’Neill, Mark Choi, Junesang Panayiotis, Koutsabasis Choi, Sungyong Pankowska, Malgorzata Ciardi, Gianluca Papamichael, Emmanuel M. Ciorap, Radu Passalacqua, Nicholas Ciortan, Sorin Pasuk, Iuliana Civera, Marco Patra, Braja Gopal Colafranceschi, Stefano Pellas, Nikolaos Corcoran, Peter Picos, Rodrigo Coroiu, Adriana Mihaela Pierini, Filippo Corruccini, Robert Piras, Andrea Csapo, Adam Pires, Ivan Miguel Cui, Wei-cheng Posada-Quintero, Hugo Fernando Curiac, Daniel-Ioan Powers, James Dantas, Mario A.R. Prause, Christian Davalli, Angelo Przekop, Robert De Almeida, Sérgio Frascino Muller Quarto, Mariangela De Athayde Costa E Silva, Marsil Radek, Norbert De Simone, Marco Claudio Rahman, Saifur Delcea, Camelia Raik, Sergei Ding, Li Ramani, Sujatha Doulos, Lambros T. Rasche, Christoph Du, Ke-Lin Reggiannini, Marco Eager, David Reimann, Łukasz Eitzinger, Christian Reis, Pedro Engel, Felix Rizvi, Syed Tahir Hussain Estrada-López, Johan Jair Robitzsch, Alexander Fernández, Francisco Brocal Rojas Sola, José Fidan, Ismail Roldán, Juan Bautista Fizesan, Raul Romero, Fernando Castano Florea, Bogdan Cristian Roshani, Sobhan Floros, George Rudoy, Evgeny M. Franco, Alessandro Rusek, Marian Fydrych, Dariusz Rusen, Edina Gabrielli, Alessandro Russek, Paweł Gaftandzhieva, Silvia Sachlas, Athanasios García, Jesus Enrique Sakamoto, Yousuke Garcia-Garcia, Guillermo Santiago-Rodríguez, Efraín Garcia-Garcia, Leonardo Sanz-Calcedo, Justo Garcia Gatti, Mauro Sarnovsky, Martin Georgeta, Soava Savaglio, Claudio Ghinassi, Barbara Schumann, Andrew Giannatsis, John Scotti, Giuseppe Giorgi, Gian Luca Senatov, Fedor Glowacz, Adam Sessa, Salvatore Gondi, Santosh Shaburova, Natalya Gong, Haijun Shafiq, Muhammad Gonzalvez, Pablo Rodriguez Shiau, Jiun-Yan Grasso, Alfio Dario Simone, Gabriele Grau, Gerd Singh, Kuldeep Guo, Qiuquan Sonobe, Rei Gupta, Kishor Datta Soria Garcia, Juan Miguel Gutierrez, Miguél Ángel Sosa González, Carlos Javier Guyomarch, Frédéric Spoladore, Daniele Hajkowski, Jakub Stefańczyk, Maciej Hakobyan, Lilit Stefaniak, Paweł Han, Dong-Wook Stopka, Ondrej Han, Song Stratil, Ludek Heinrich, Benoît Strout, Douglas L. Hofstee, Jan Willem Strzelecki, Przemysław Hu, Jiejun Strzemiecka, Beata Hyun, Sunghyup Sean Suciu, George Ilieva, Galina Sykutera, LDariusz Inoue, Kohei Szeleszczuk, Łukasz Isong, Bassey Tamašauskaitė-Tamašiūnaitė, Loreta Izonin, Ivan Teng, Sin Yong Izquierdo, Estibaliz Martinez Tlelo-Cuautle, Esteban Jaidev Chakka, Leela Raghava Tsaramirsis, Georgios Janigro, Damir Tsigopoulos, Andreas D. Jarfors, Anders Tsongas, Konstantinos Jeffers, Jana Tuz, Lechosław Jesionek, Marcin Valerga Puerta, Ana Pilar Jiang, Junjun Valverde-Berrocoso, Jesús Jiménez, Mercedes Vasilyeva, Maria Jung, Jin-Hwa Velázquez, Ramiro Jung, Se-Hoon Veloso, Antonio Kampa, Adrian Vergnano, Alberto Kantartzis, Nikolaos V Villecco, Francesco Kasiński, Krzysztof Vrsaljko, Domagoj Kastalskiy, Innokentiy Vu, Xuan-Son Katona, Jozsef Walther, Thomas Kazi, Ljubica Wang, Hai Khalid, Mohd Nor Akmal Wang, Hanho Khoshnevis, Sepideh Wang, Ke Kim, Han Joo Wang, Qihui Kim, Ilki Wątróbski, Jarosław Kindu, Mengistie Wen, Jianming Kitsios, Fotis Woungang, Isaac Kizek, Ján Xu, Kui Kleinschmidt, João Yang, Chunguang Klekiel, Tomasz Zamfiroiu, Alin Kong, Byeong Yong Zareinia, Kourosh Korečko, Štefan Zhang, Chen Koreňová, Lilla Zielosko, Beata Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Thanks to the contribution of our reviewers, in 2021, the median time to first decision was 17 days and the median time to publication was 37 days. The editors would like to extend their gratitude and recognition to the following reviewers for their precious time and dedication, regardless of whether the papers they reviewed were finally published: Aamir, Muhammad Liu, Yow-Chyi Abasahl, Banafsheh Liu, Yu Abbas, Hasan Liu, Yudong Abbas, Hasan Tahir Liu, Zhi Abdalzaher, Mohamed S. Liu, Zihang Abdelrahem, Mohamed Livreri, Patrizia Abdelsalam, Mahmoud Ljubenovic, Marina Abdul, Majeed Llamocca, Daniel Abdul, Razaque Lo Duca, Angelica Abdulkhaleq, Ahmed Lo Sciuto, Grazia Abdullah, Tariq Lo, Jung-Hua Abdur, Rahim Lo, Shi-Wei Abidin, Zuhairiah Zainal Lo, Wai Lun Abisset-Chavanne, Emmanuelle Lobo-Junior, Eulicio De Oliveira Abramović, Borna Lodi, Matteo Bruno Abuhamad, Mohammed Lombardi, Federico Accetta, Angelo Lonkwic, Paweł Aceves, Alejandro B. Lopac, Nikola Aciu, Lia E Lopes, Luiz A. C. Acquah, Moses Amoasi López Espí, Pablo Luis Adam, George K. López Granado, Otoniel Mario Adams, Mark L. López Pajares, Diego Adnan, Farooq López, Damián Adrián, Pérez-Suay López, Jesus Aerts, Sam Lopez, Jose J. Agana, Norbert Lopez-Otero, Paula Aggarwal, Geetika Lorencin, Ivan Agiwal, Mamta Lori, Nicolas Agostino, Forestiero Loskot, Pavel Ágoston, Katalin Lou, Shuai Ahmad Taher Azar, Azar Loukatos, Dimitrios Ahmad, Jawad Lour, Wen-Shiung Ahmadi, Mohammad Lozano Guerrero, Antonio José Ahmadi, Mohsen Lozito, Gabriele Maria Ahmadpoor, Fatemeh Lu, Binchun Ahmed, Hafiz Lu, Chien-Yu Ahmed, Mohammed Emtiaz Lu, Mingyang Ahmed, Tousif Lu, Wei Ahn, Chi Bum Lu, Yanfei Ahn, Hyung Keun Lucache, Dorin Dumitru Ahsan, Md Mominul Lucas, Guilherme B. Aich, Satyabrata Ludowicz, Wojciech Aiello, Orazio Lui, Hoi-Shun Airoldi, Giulia Luigi Sarnè, Giuseppe Maria Akhshani, Afshin Lukasz, Wycislik Akiba, Isamu Lüken, Markus Aksac, Alper Lukin, Vladimir Akşit, Kaan Luna-Perejón, Francisco Akturk, Akin Lupu, Ciprian Alachiotis, Nikolaos Luque-Nieto, Miguel Angel Al-Adwan, Ahmad Samed Luttgen, Andrea Alagoz, Baris Baykant Lymperopoulos, Ilias N. Alam, Talha Lytaev, Mikhail Al-Amidie, Muthana Ma, Cheng Alastalo, Ari Ma, Dandan Albano, Michele Ma, Lianbo Albu, Adriana Macedo, Eloisa Albu, Felix Mach, Marian Albuquerque, Daniel Mach, Pavel Alcarria, Ramon Machac, Jan Alcarria, Ramón Machado, Ivan Alden, Dochshanov M. Machaj, Juraj Aldhufairi, Fadal Abdullah-A Madeira, Fábio Alejos, Ana Vázquez Madsen, Dag Øivind Alepuz, Salvador Maestre Vidal, Jorge Aleshin, Sergey Maffettone, Roberta Alexander, Prosvirin Maga, Dusan Alexandridis, Georgios Magafas, Lykourgos Alexandropoulos, Dimitris Magna, Gabriele Alfeo, Antonio Luca Magnien, Julien Alfirević, Nikša Magron, Paul Alfouzan, Faisal Maharjan, Pukar Alghayadh, Faisal Mahata, Manoj Kumar Alhammadi, Salh Mahmood, Adnan Alhasheem, Mohammed Mahmud, S.M. Sohel Alhelou, Hassan Haes Maier, Guido Ali Ahmed, Awadelrahman Mohamedelsadig Majerus, Steve Ali, Jehad Majid, Mehrasa Ali, M. Mahmood Majumdar, Debaleena Ali, Md Liakat Makar, Artur Ali, Musrrat Makimoto, Naoki Alibakhshikenari, Mohammad Makisha, Nikolay Al-Kanan, Haider Makowski, Marcin Al-Khalidi, Abdullah Makri, Eleni Allani, Sabri Makrygiorgou, Despoina Almeida, Joao Emilio Malajner, Marko Almubarak, Yara Maletti, Sebastian Almutawa, Ahmad T. Maliappis, Michael Alonso, Francisco Malik, Amir Haider Alonso, Miguel A. Malik, Hasmat AlQaralleh, Esam Atallah Y. Mallikarachchi, Thanuja Alqudah, Yazan A. Malyuskin, Oleksandr Al-Radhi, Mohammed Salah Mancinas Chávez, Rosalba Al-Rahmi, Waleed Mandal, Bappaditya Alsharif, Mohammed H. Mandrile, Fabio Alsinglawi, Belal Manfredi, Luigi Alvarez, Rafael Manimuthu, Arunmozhi Aly, Mohamed El-Hadedy Manione, Roberto Al-Yasir, Yasir Mantouka, EleniG. Alzangana, Sh Mantzaris, Alexander V. Al-Zubaidie, Mishall Manuel, Fernández López-Vizcaíno Amado Rey, Ana Belén Manwar, Rayyan Aman, Haroon Manzalini, Antonio Amano, Hideharu Manzanares-Lopez, Pilar Amano, Kinjiro Mao, Zhiwei Amat, Esteve Maranhao Abreu, Rui Amatya, Suraj Marchevský, Stanislav Ambrosanio, Michele Marciniak, Jacek Amin, Farhan Marco, Hector Amiri, Sam Marcolin, Federica Amiri, Seyyed Amir Hossein Salehi Marcon, Petr Amisano, Fabrizio Marconcini, Paolo Amo, Daniel Marco-Such, Manuel Ampeliotis, Dimitris Marcu, Ioana Amsaad, Fathi Mardani, Hossein An, Jae-Sung Marek, Guzek An, Sung Jin Margariti, Spiridoula V. Anagnostopoulos, Nikolaos Athanasios Margherita, Emanuele Gabriel Anani, Nader Maria, Aileni Raluca Anastassiu, Hristos Mariappan, Vimal Kumar Anđelić, Nikola Marin, Andrea Ando Junior, Oswaldo Hideo Marinov, Angel Andreatos, Antonios Marinov, Pencho Andreev, Valeriy Marinova, Iliana Andreev, Vladimir V. Mariscotti, Andrea Andrei, Mihaela Markov, Krassimir Andrenko, Andrey S. Markovic, Goran B. Andrew, Downing Charles Markovič, Rene Andriesei, Cristian Markovic, Tomislav Andrieu, Guillaume Markowska, Małgorzata Andriyanov, Nikita Marquez, Carlos Andrzej Kolator, Bronisław Marrero, Domingo Andrzej, Michalski Marrone, Stefano Angiulli, Giovanni Martínez García, Miguel Ansari, Shuja Martínez, Sergio Antchev, Mihail Martínez-García, Herminio Anton, Iulia-Alina Martin-Gutierrez, Jorge Antonucci, Francesca Martín-Morató, Irene Antunes, Mário Martins, Denizar Cruz Aparicio-Navarro, Francisco J. Martsenyuk, Vasyl Apostol, Marian Marx, Maarten Appasani, Bhargav Marzi, Claudia Aprile, Carlo Masaracchia, Antonino Apsimon, Robert Masek, Vlastimil Apte, Nikhil Masini, Barbara M. Arain, Salman Maskeliūnas, Rytis Aranda, Eladio Durán Masood, Nahid Al Aranda, Luis Alberto Masselos, Konstantinos Arco, Isabel Del Mastny, Petr Ardakani, Mansoor Dashti Mastronardi, Vincenzo Mariano Arendale, David Mata-López, Walter Alexander Ariza Quintana, Alfonso Matasaru, Petre Daniel Armada, Manuel Mateo, Carlos M. Arnaudov, Dimitar Matetic, Maja Artale, Giovanni Matetić, Maja Artal-Sevil, Jesús Sergio Mathew, Joice Arteta, Alberto Matic, Tomislav Artiemjew, Piotr Matić, Tomislav Artola, Laurent Matko, Vojko Arulkumaran, Subramaniam Matos, Joao Nuno Arya, Sandeep Matos, João Nuno Ascoli, Alon Matos-Carvalho, João P. Asensio, Adrià Matrenin, Pavel Asghar, Mamoona Matsuo, Hiroshi Ashraf, Imran Matsuura, Daisuke Ashraf, Nabil Matuszewski, Łukasz Aslani, Mohamad Matutino, Pedro Miguens Asllani, Besar Matys, Maciej Ašmontas, Steponas Mauro, Giorgio Asorey-Cacheda, Rafael Mauro, Stefano Assante, Dario Mazgaj, Witold Asubar, Joel T. Mazur, Tomasz Atanbori, John Mazurek, Cezary Atta, Amanvon Ferdinand Mazurek, Miroslaw Attique, Muhammad Mazzaro, Gregory Attya, Ayman Mazzeo, Domenico Aubert, Herve Mazzoleni, Mirko Avanaki, Kamran McCrae, John Avazpour, Laleh McFarlane, Nicole Avitabile, Gianfranco Mehmood, Khawaja Khalid Awedat, Khalfalla Mehmood, Rashid Awtoniuk, Michał Mehrabi, Ali Ayachit, Agasthya Mehrasa, Majid Aydemir, Nihan Mehta, Mohit Ayhan, Samet Meimandi, Kiana Jafari Azevedo, Ana Isabel Rojão Lourenço Mekhalfi, Mohamed Lamine Azimi, Sarah Mekinda, Leonce Aziz, Ahmedullah Mel0, Pedro Aziz, Muhammad Melgoza-Vázquez, Enrique AZMAT, Muhammad Mellah, Hakim Babaeian, Fatemeh Melville, Owen A. Babenko, Mikhail Memon, Saim Baboli, Payam Teimourzadeh Mendes, Mateus Baccarani, Giorgio Mendes, Paulo M. Bach, Mirjana Pejic Méndez, José Ramón Back, Juhoon Mendicute, Mikel Badets, Franck Mendis, Gihan Bae, Ihn-han Menegatti, Erica Bae, Youngchul Menéndez, Héctor D. Baek, Soo-Whang Menezes, Telmo Baer, Christopher Meng, Lingju Bahat-Treidel, Eldad Meng, Yuan Bahr, Andreas Meoni, Gabriele Bai, Xueru Mercorelli, Paolo Baig, Imran Merino-Monge, Manuel Bajenaru, Lidia Merkel, Cory Bakator, Mihalj Merugu, Suresh Bakon, Tomasz Mester, Christian Balandin, Sergey Metallidou, Chrysi Balasubramanian, Padmanabhan Metzler, Guillaume Balasubramanyam, Adithya Meyer, Alexandre Baldean, Doru-Laurean Meyer, Angela Baldowska-Witos, Patrcyja Meyer, Michael Baleanu, Mihaela Cristina Miah, Md Sipon Balestra, Costantino Miao, Yu Balicki, Jerzy Miatliuk, Kanstantsin Ballo, Andrea Miccinesi, Lapo Balmakhtar, Marouane Michail, Christos Balsa, José Michailidis, Panagiotis Balsi, Marco Michalowska, Joanna Banciu, Marian Gabriel Miclaus, Simona Banerjee, Amit Midoglu, Cise Banerjee, Writam Midya, Rivu Bang, Jihoon Mielewczik, Michael Bankov, Dmitry Migallón, Héctor Baradarannia, Mahdi Miguel, Antonio Baradello, Luca Mihai, Ilie Valentin Barai, Hasi Rani Mihailescu, Marius Iulian Barakabitze, Alcardo Alex Mikaitis, Mantas Baranyai, László Miklosevic, Kresimir Barata, Filipe Mikolajczyk, Tadeusz Barbosa, Raul Milani, Alfredo Bardelli, Chiara Milano, Gianluca Bařina, David Milecki, Andrzej Barjuei, Erfan Shojaei Milik, Adam Barkalov, Alexander Millithaler, Jean-François Barlik, Roman Milyaev, Mihkail Barmpoutis, Panagiotis Min, Rui Barragán-Villarejo, Manuel Minaee, Shervin Barreto, Luís Minakshi, Manickam Barrientos, Antonio Ming, Lei Barukčić, Marinko Miranda, Maria D. Baryshev, Yurii Miranda-Vidales, Homero Bas, Joan Miranowicz, Adam Basan, Elena Mirea, Letitia Bashian, Amir Mironeasa, Silvia Basile, Vito Mischie, Septimiu Basir, Abdul Mishra, Alok Basith, Iftekhar Ibne Mishra, Anand Kumar Baskin, Chaim Mišurec, Jiří Bassoli, Marco Mitsuhashi, Takumi Basu, Anirban Mittal, Mohit Basu, Prabal Mobayen, Saleh Basuhail, Abdullah Modekurthy, Venkata Prashant Batagelj, Bostjan Mohajeri, Amir Batalla, Jordi Mongay Mohamed, Bassam Batbaatar, Erdenebileg Mohammad, Mostak Batchuluun, Ganbayar Mohit, Mittal Batista, Arnaldo Mokhlespour Esfahani, Mohammad Iman Bauer, Jan Moldovan, Darie Baum, Seth Moliner Miravet, María Lidón Bawaj, Mateusz Mollah, Mohammad Nurunnabi Bayat, Nozhan Mollineda Cárdenas, Ramón Alberto Baz, Mohammed Molnar, Arthur Bazzi, Ahmad Momete, Daniela Beccaria, Michele Montangero, Manuela Beecks, Christian Monteiro Pereira, Rita Behtouei, Mostafa Monteiro, Paulo Behzad Farahani, Behzad Monteleone, Salvatore Beiranvand, Behrokh Montuori, Lina Belciu, Anda Monzó-Cabrera, Juan Beliatis, Michail J. Moon, Hyeonjoon Bellagente, Paolo M

Peer review is the driving force of journal development, and reviewers are gatekeepers who ensure that Inventions maintains its standards for the high quality of its published papers. Thanks to the cooperation of our reviewers, in 2020, the median time to first decision was 22.6 days and the median time to publication was 46.5 days. Acikgoz, Hakan Leliaert, Jonathan Ahn, Joon Li, Yang Alam, M. Shafiul Li, Zhichuan (Frank) Alapati, Suresh Lillo, Gianluca Al-Mdallal, Qasem M. Lin, Chinsu Andresen, Björn Löf, Magnus Antonopoulos, Angelos López, Joaquín Arshad, Adeel Lopez-Santos, Oswaldo Asumadu-Sarkodie, Samuel Lotfi, Mohamed Baldi, Lucia Luo, Liang Balsa, José Mahmood, Aamir Bărbuţă-Mişu, Nicoleta Malik, Om P. Bargallo, Ramon Mandelli, Stefano Baturynska, Ivanna Mardani, Abbas Beltrán San Segundo, Héctor Margaoan, Rodica Bhatti, M.M Margetts, Rebecca Bobrovskij, Igor Martinez-de-Rioja, Eduardo Božanić, Darko Masztalerz, Klaudia Buonamici, Francesco Mehrizi-Sani, Ali Buratto, Alessandra Miccio, Francesco Butt, Abdul Haleem Montoya, Oscar Danilo Caniato, Marco Moon, Byeong-Ui Cardoso, Danon Clemes Moradikazerouni, Alireza Castro-García, M. P. Moskalik, Tadeusz Cha, Shi-Cho Mostafa, Ahmad Chamkha, Ali Mozaffari, Saeed Chang, Hsueh-Hsien Mucchi, Emiliano Chaudhary, Sanjay K Nadolny, Krzysztof Chen, Liang-Bi Napolitano, Rebecca Cheng, Kai Nguyen, Trong Nguyen Chernyi, Sergei Niazmand, Amirreza Chuang, Ching-Chun Nourian, A. Cinque, Marcello Nunes, Leonel Cirtoaje, Cristina Nusenu, Shaddrack Yaw Coelho, Luis Olabi, A. G. Coppola, Gennaro Ould El Moctar, Ahmed Cui, Wenyuan Pamucar, Dragan Curti, Mitrofan Parra, Lorena Das, Abhishek Perea Moreno, Alberto Jesús De Andres Sanchez, Jorge Petrović, Milica De Moura Araujo, Guilherme Pogorelov, Vadim De Pablo, Santiago Poskrobko, Sławomir Dehghanghadikolaei, Amir Prashanth, Konda Gokuldoss Dias, Duarte Prístavka, Miroslav Dimakopoulos, Yannis Qi, Zhuyuan Ding, Xiaoyun Qu, Chuang Dionísio, Rogério Radenovic, Stojan Dorado, Ruben Radočaj, Dorijan Dziki, Dariusz Raniszewski, Grzegorz Ebrahimi, Amin Rodriguez Diaz, Camilo Arturo Eid, Mohamed Rabea Romero, Pablo E. Ellahi, Rahmat Roque, Antonio Esmerian, Karekin Rozynek, Zbigniew Esposito Corcione, Carola Sadati, S. M. Sajed Ettayapuram Ramaprasad, Azhagiya Singam Safaei, Mohammad Reza Fabbri, Angelo Sajdak, Marcin Failla, Giuseppe Samiei, Ehsan Fidorów-Kaprawy, Natalia Santos, Ricardo Fortuna, Luigi Sarris, Ioannis E. Fountas, Spyros Schneider, Marius Franceschini, Giordano Shah, Zahir Friebe, Michael Sharma, Manik Furlani Bastos, Alvaro Shi, Jian Furtula, Boris Shieh, Hsin-Jang GANNIER, François Shin, Jong-Ho Garcia-Garcia, Guillermo Shoeb, Asaduzzaman Gavriloaia, Gheorghe Sierra-Castaner, Manuel Gavrilova, Marina Silakhori, Mahyar Ghanaatian Jobzari, Mohammad Sinyutin, Sergey Gianinetti, Alberto Somov, Yevgeny Godino, Leire Strigaro, Daniele Goh, Shu Ting Sun, Li Gonzalez-Rodriguez, A.G. Taheri, Pooya Greenough, Rick Teekaraman, Yuvaraja Harris, Muhammad Tertis, Mihaela Hartmann, Christoph Torres-Sospedra, Joaquín He, Yun Trejos, Bernardo Hermes, Giberti Tylek, Paweł Holubek, Radovan Ullah, Kifayat Hua, Jie Vagiona, Dimitra G Huang, Yung-Fu Van Hertem, Dirk Huber, Tim Vashishtha, Ashish Inhestern, Lukas Benjamin Vázquez Burguete, Jose Luis Inzerillo, Laura Vergiev, Stoyan Jackson, Mark Viola, Fabio Jiang, Yu Vizza, Pasquale Kaczmarek, Michal Wang, Chunjin Kalyana Sundaram, Ramalingam Venkat Wang, Lin Kapellos, George E. Widera, Barbara Kapsalis, Vasilios C. Wisotzky, Eric Larry Kar, Anuradha Wiszumirska, Karolina Kasa, Sudheer Wu, Pey-Shey Katić, Vladimir Xiao, Guijian Khalil, Ashraf Xie, Shangran Khanal, Salik Ram Yang, Kejia Khanna, Aniruddh Jagdish Yang, Ray-Yeng Kim, Jin Sik Yang, Xiucheng Kishore, Ratna Ye, Lingjian König, Peter Yousefi, Mojtaba Koumoulos, Elias P. Yu, Guojun Kowalska, Hanna Yue, Jun Kumar, Arkadeep Zanni, Mariangela La Rosa, Guido Zedler, Łukasz Labella, Alessandro Zhang, Qi Lari, Ebrahim Zhang, Yinyan Leal-Junior, Arnaldo Zhao, Chunhong Lee, Sun-Kyu Zsiborács, Henrik Inventions Editorial Office MDPI AG, St. Alban-Anlage 66, 4052 Basel, Switzerland

The editorial team greatly appreciates the reviewers who have dedicated their considerable time and expertise to the journal’s rigorous editorial process over the past 12 months, regardless of whether the papers are finally published or not. In 2019, a total of 1564 papers were published in the journal, with a median time to first decision of 15 days and a median time from submission to publication of 35 days. The editors would like to express their sincere gratitude to the following reviewers for their generous contribution in 2019: Abadal, Sergi Lin, Guo-Shiang Abbasi, Muhammad Ali Babar Lin, Han Abbasi, Qammer H. Lin, Hsueh-chun Abbate, Carmine Lin, Hua-Yi Abd-Alhameed, Raed Lin, Hui-Ting Abdelgawad, Kareem Lin, Jeng-Chyan Muti Abdelhakim, Ahmed Lin, Kuo-Chi Abdel-Nasser, Mohamed Lin, Ming-Bo Abdelwahed, Sherif Lin, Tsung-Hung Abdul-Aziz, Ali Lin, Wei Abdullah, Osamah Lin, Yuh-Chung Abdur, Rahim Lindholm, Andreas Abenza, Pedro Pablo Garrido Lineykin, Simon Abir, Muhammad Linkous, Clovis A. Aboalayon, Khald Linn, Jimmy B. Abrishambaf, Reza Linstead, Erik Abu Shattal, Mohammad Linzon, Yoav Abu-Siada, Ahmed Lioe, De Xing Acharya, Tri Dev Lipiński, Seweryn Adamou Abba Ari, Ado Lisowski, Józef Aderohunmu, Femi Litke, Antonios Adhikari, Rajdeep Liu, Baiquan Adhikari, Shyam Prasad Liu, Bo Afzal, Muhammad Usman Liu, Chang Aghababaee, Hossein Liu, Fei Agrawal, Ankit Liu, Hanchao Agrawala, Ashok K. Liu, Jain-Shing Ahamed, Nizam Uddin Liu, Jing-Sin Ahmad, Farhan Liu, Jun Ahmadi, Mohammad Liu, Pei Ahmadivand, Arash Liu, Ran Ahmed, Abu-Siada Liu, Shing-Hong Ahmed, Mohiuddin Liu, Songtao Ahn, Dal Liu, Suxing Ahsan, Dr. Md. Shamim Liu, Xiao Aiello, Orazio Liu, Yang Akbari, Hamed Liu, Yi-Hua Akella Kamakshi, Divya Liu, Yiliu Akitsu, Tetsuya Liu, Yow-Chyi Akoğlu, Goze Liu, Yu Al Ameri, Ahmed Liu, Yu-Jen Al Sadsoon, Mohammed Liu, Zhe Alam, Fakhrul Liu, Zhi Alam, Tauhidul Liu, Zilong Alamaniotis, Miltos Liu, Ziping Al-Ameri, Talib Livens, Stefan Alasali, Feras Livreri, Patrizia Alazab, Ammar Lizcano, David Albarbar, Al-Hussein Lo, Yu-Lung Alberto, José Miguel Lochocki, Benjamin Albuquerque, Daniel Lodi, Matteo Bruno Aldrigo, Martino Lok, Ka Leung Alejos, Ana Vázquez Lombardi, Angela Alessi, Antonino Longo, Francesco Alet, Pierre-Jean López de Lacalle, Luis Norberto Alexandropoulos, George López Espí, Pablo Luis Alfinito, Eleonora López Granado, Otoniel Mario Algarín, Carlos Robles López, Miguel Alhasani, Mohammed Mustafa López-Matencio, Pablo Al-Hraishawi, Hayder López-Ochoa, Luis María Ali, Nazakat Lopez-Pellicer, Francisco J. Alibakhshikenari, Mohammad Lopez-Santos, Oswaldo Alimenti, Federico López-Sastre, Roberto Javier Alimi, Isiaka Ajewale Lopomo, Nicola Francesco Alipanah, Morteza Loppi, Stefano Almeida Ferreira, Hugo Loria, Antonio Almeida, Aitor Lorincz, Josip Almeida, Rita Loseto, Giuseppe Alomari, Abdullah Lou, Shuai Alonso González, Itziar Lozano-Guerrero, Antonio José Alonso Jordá, Pedro Lozito, Gabriele Maria Alonso, Álvaro Lu, Chao Al-Sadoon, Mohammed Lu, Ching-Ta Alsafrjalani, Hammam Lu, Junwei Alsafrjalani, Mohmad Hammam Lu, Rongxing Alshamaa, Daniel Lu, Zhixin Alsharif, Mohammed H. Lucarini, Gioia Alsweiss, Suleiman Lucchi, Elena Altaf, Amir Lucianaz, Claudio Aluigi, Luca Lucibello, Andrea Alvarellos González, Alberto Luckner, Marcin Alvarez, Federico Ludwinek, Krzysztof Alves, Juliana Lui, Antonny Al-Yasir, Yasir Lukichev, Dmitry Amanatiadis, Stamatios Luna, Massimiliano Amasyali, Kadir Luo, Jia-Ning Amer, Hayder Luo, Ningqi Amin, Farhan Luongo, Giuseppe Amineh, Reza K. Lupu, Ciprian Amini, Mohammadhossein Luque, Amalia Amiri, Iraj Sadegh Luque-Nieto, Miguel-Angel Amit, Iddo Luttgen, Andrea Amsaad, Fathi Hassan Mohamed Lvova, Larisa Amza, Catalin Lyu, Hailong An, Hyosung M., Geethanjali Anagnostopoulos, Iraklis Ma, Ji Anagnostopoulos, Marios Ma, Ming Anand, Vijayakumar Macana Moreno, Carlos Andres Anastassiu, Hristos Machacek, Zdenek Anders, Jens Machaj, Juraj Anderson, Dennis Maciuk, Kamil Anderson, Stuart Madanayake, Arjuna Andersson, Karl Madani, Mohammad Andoga, Rudolf Maestre Vidal, Jorge Andreotti, Amedeo Maga, Dusan Andreou, Charalambos M. Magarini, Maurizio Andrievsky, Boris Magoni, Damien Andriolli, Nicola Mahdianpari, Masoud Andriukaitis, Darius Maher, Hassan Andročec, Darko Maheswaran, John Ang, Chee Wei Mahmoud, Qusay H. Angani, Chandra Sekhar Mahto, Rakeshkumar Angelidis, Pantelis Maikap, Siddheswar Anghelache, Gabriel Mair, Dominik Anguera, Jaume Maisto, Maria Antonia Annus, Paul Maiti, Moinak Antchev, Mihail Hristov Majerus, Steve Antoce, Arina Oana Majhi, Subhajit Antoniou, Constantinos Maji, Partha Antonopoulos, Angelos Majumdar, Amit Antonopoulos, Christos P. Majumdar, Payal Antonopoulos, Nikos Makanae, Koji Anuchin, Alecksey Maksimainen, Mikko Anwar, Asim Maktoomi, Mohammad A. Apostol, Marian Malagón, Pedro Aranda, Miguel Malallah, Ra’ed Arandjelović, Ognjen Malgosa-Sanahuja, Josemaria Araujo, Alvaro Malik, Avinash Araujo, Filipe Malinen, Jukka Arcia-Moret, Andrés Malvoni, Maria Arcos-Vargas, Angel Malyuskin, Oleksandr Argenti, Fabrizio Mamaev, Ivan Sergeevich Arghira, Nicoleta Mamatov, Aleksandr Arjunan, Arun Mamdoh Elhalawany, Basem Armada, Manuel A. Man Li, Rita Yi Arnau, Jose-Maria Manassis, Christos Arrebola, Manuel Mandal, Soumyajit Arrinda, Amaia Mandelli, Stefano Arroyo, Patricia Manich, Salvador Artal-Sevil, Jesús Sergio Manikas, Theodore W. Artigas, Jose Ignacio Mankin, Richard W. Artola, Laurent Manstretta, Danilo Ashraf, Imran Mantri, Dnyaneshwar Asif, Amir Manzanares-Lopez, Pilar Asikuzzaman, Md Manzo, Mario Asorey-Cacheda, Rafael Manzone, Marco Assefzadeh, Mahdi Marciniak, Tomasz Astrain, José Javier Marco Gisbert, Hector Asundi, Sharan Marco, Mauri Atazadeh, Behnam Marcu, Marius Atlam, Hany Marechal, Pierre Attaran, Ali Margherita, Emanuele Gabriel Aubanel, Eric Mariana, Iorgulescu Auzelle, Thomas Mariani, Camillo Avanaki, Kamran Mariani, Stefano Avanaki, Mohammad R. N. Mariescu-Istodor, Radu Avenas, Yvan Markelov, Oleg Averbukh, Moshe Marotti De Sciarra, Francesco Avram, Camelia Maroufi, Mohammad Awtoniuk, Michał Marques, Gonçalo Aydin, Nuh Marquez, Carlos Azadbakht, Mohsen Marrone, Stefano Azam, Sami MARS, Kamel Azar, Massood Maršálek, Roman Azbe, Valentin Marszalek, Zbigniew Babušiak, Branko Martian, Alexandru Baccarani, Giorgio Martin, Grossmann Handschin Bacher, Jean-Philippe Martin, Sidney Badawy, Abdel-Hameed Martinčić - Ipšić, Sanda Bae, Ihn-han Martincic, Emile Bae, Woorham Martinelli, Alessio Bae, Youngchul Martínez Gila, Diego Manuel Baek, Soo-Whang Martìnez Monterrubio, Sergio Mauricio Bai, Kevin (Hua) Martinez, Antoni Baimel, Dmitry Martínez-Bisbal, M. Carmen Bąkowski, Jarosław Martínez-Lucas, Guillermo Bakr, Mustafa Martins, Florinda Figueiredo Bakran, Mark Marzband, Mousa Balan, Oana Masini, Barbara M. Balasubramanian, Karthik Masini, Barbara Mavi Balasubramanian, Padmanabhan Masini, Barbara Mavì Balasubramanian, Venkatraman Masnicki, Romuald Balchanos, Michael Massagué, Eduard Bullich Balda, Pavel Massaro, Alessandro Baldini, Gianmarco Matas, José Baldominos, Alejandro Matassoni, Marco Balducci, Fabrizio Mateev, Valentin Balint, Cornel Mateo, Carlos M. Balsa, Jose Mateo, David Balzer, Jan Matera, Andrea Bampis, Christos Matoušek, David Banguero, Edison Matrella, Guido Bani Hani, Qassim Matricciani, Emilio Baptista, José Manuel Ribeiro Matsuoka, Toshimasa Baptista, Susana Matthews, James C. Baranwal, Rohit Maune, Holger Baranyai, Nóra Mavromatakis, Fotis Barbu, Marian Mavromatis, Ioannis Bardella, Paolo Mažeika, Dalius Barfidokht, Abbas Mazzarella, Giuseppe Barmada, Sami Mazzeo, Giovanni Barone, Pier Matteo McEwan, Alistair Barreca, Francesco Meacci, Valentino Barrera, Eduardo Medina Quesada, Ángeles Barrett, Gillian Medina, Lior Barriot, Jean-Pierre Medved, Vladimir Barry, Matthew Megalini, Ludovico Bartolini, Sandro Mehran, Kamyar Bartolomeu, Paulo C. Mehrandezh, M. Bartoněk, Dalibor Mekinda, Leonce Bartyś, Michał Meloni, Carlo Barukcic, Marinko Memmolo, Vittorio Barz, Cristian MEMON, FAISAL AHMED Basarab, Miklhail Alekseevich Memon, Saim Basford, Philip J. Mendes, Mateus Basith, Iftekhar Ibne Mendez-Astudillo, Manuel Baszynski, Marcin Mendicute, Mikel Batagelj, Bostjan Mendis, Rajind Batard, Christophe Menendez, Hector Batrancea, Ioan Meng, Meng Battistoni, Silvia Meng, Weizhi Baure, George Meng, Xin Bausch, Nils Meng, Yifei Bayati, Navid Meng, Yuan Bazdresch, Miguel Mengarelli, Alessandro Beard, Cory Menna, Fabio Becek, Kazimierz Menoufi, Karim Beck, Brian M. Merenda, Massimo Bécsi, Tamás Merletti, Roberto Bednarek, Karol Meseguer, Roc Begaud, Xavier Mesodiakaki, Agapi Begušić, Dinko Messinis, George Bel, Albert Mester, Gyula Belagiannis, Vasileios Metaxatos, Paul Bełdowski, Piotr Miaja, Pablo Fernandez Beliatis, Michail J. Miao, Yu Bellantone, Vincenzo Micciulla, Federico Bellido, Francisco Michailidis, Panagiotis Belloulata, Kamel Michailidis, Panagiotis D. Belyi, Alexander Michalas, Antonis Ben Arfi, Anis Micheloni, Rino Ben Haj Frej, Mohamed Mieloszyk, Magdalena Beňa, Ľubomír Migallon, Hector Benavente, César Migliore, Marco Donald Bender, Paul Miguel, Silvia Ben-Tal, Oded Mihaylov, Mihail Beranek, Ladislav Mikhaylov, Konstantin Berbecaru, Diana Mikolajczyk, Tadeusz Bergamasco, Filippo Miled, Mohamed Amine Bergenti, Federico Milik, Adam Bergmann, Olaf Miller, Alexander Berhausen, Sebastian Miller, Boris Bernacki, Krzysztof Miller, Jimmie Bernard, Yves Miller, Wolfram Bernardini, Alberto Millithaler, Jean-François Bernussi, Ayrton Miloud, Rezkallah Bert, Nikolay Min, Kyeong-Sik Bertoldo, Silvano Min, Mart Bestak, Robert Minaee, Shervin Bhagat, Yusuf Minamiki, Tsukuru Bhandari, Manohar Prasad Mingesz, Robert Bhattacharyya, Mayukh Mirjavadi, Sajad Bhounsule, Pranav A. Mirzaei, Ali Bhowmik, Debsindhu Mirzavand, Rashid Bhowmik, Lal Mohan Mishne, David Bhuyian, Md Nasir Uddin Mishra, Anand Bi, Yu (Bill) Mishra, Kumar Vijay Biagetti, Giorgio Mishra, Nitish Bialas, Katarzyna Mistewicz, Krystian Bianchi, Valentina Mitani, Tomohiko Bianchini, Gianni Mittal, Anu

To contribute to the development of sustainable composites, this work investigates the effects of moisture on the key AE characteristics related to the damage mechanisms of a bio-based balsa wood core sandwich in 4-point bending tests, including cumulative counts, amplitude, peak frequency, and duration. Novel triple dog-bone balsa wood core sandwich specimens with different MC (moisture content) were studied by comparing microscopic observations and a proposed two-step clustering approach in AE analysis. Three MC states, i.e., dry, 50% MC, and 120% MC, are discussed. GFRP (glass-fiber-reinforced polymer) laminate skin damages were found to be predominant in most GFRP–balsa sandwich specimens, but balsa wood core damages play a more important role as MC increases. The degradation of the bending stiffness of the sandwich was proven to be faster in the first linear stage of the moisture absorption curve, while the decrease in bending strength was more pronounced at the MC saturation level. Finally, for all of the dry and wet sandwich specimens, peak frequency and duration were proven to be more helpful in identifying damages associated with the lighter bio-based balsa wood core, such as balsa core damages and skin/core debonding.

This study was conducted to investigate the effect of air heat treatment on the morphological, physical, chemical, and thermal decomposition properties of balsa fruit fibers (BFF). BFF were heat-treated in air at 100 ℃, 200 ℃, 240 ℃, 280 ℃, 300 ℃, 320 ℃, and 340 ℃. Color changes, weight loss, and moisture adsorption were also examined. The color of BFF was light brown below 200 ℃, brown at 240 ℃, dark brown at 280 ℃, and black from 320 ℃. The total color change (ΔE*) of BFF increased rapidly until 280 ℃ and became from 280 ℃ constant until 400 ℃. The microfibrils in the fibers were observed below 240 ℃ and disappeared at 280 ℃, and the fibers heat-treated above 280 ℃ showed an amorphous-like cell wall. The fibers below 240 ℃ showed a straight form with a smooth surface, whereas the fibers at 240 and 280 ℃ showed an uneven form with lumps on their surface due to melted wax. With increasing temperature, the weight and width of the fibers decreased. The vapor adsorption property of the BFF increased with increasing treatment temperatures. X-ray diffractograms of BFF showed cellulose I crystalline structure until 320 ℃, which changed to amorphous at 340 ℃. Holocellulose, α-cellulose, and hemicellulose were detected in fibers below 240 ℃ but not in samples treated at 280 ℃. The wax content of the BFF decreased as temperatures increased. FT-IR spectra showed the peaks of plant wax and carbohydrate compounds in BFF until 320 ℃ and the peaks of lignin at all temperatures. The thermal decomposition properties of BFF noticeably changed after heat treatment above 240 ℃.

The development of new materials for the construction sector is a global trend, and products that use by-products in their composition and have also incorporated technology are commercially competitive. Microparticles have large surface areas and can modify the microstructure of materials, positively affecting their physical and mechanical properties. In this context, this study aims to investigate the effect of incorporating aluminium oxide (Al2O3) microparticles on the physical and mechanical properties of oriented strand boards (OSBs) made from reforested residual balsa and castor oil polyurethane resin and to evaluate their durability performance under accelerated aging conditions. The OSBs were produced on a laboratory scale with a density of 650 kg/m3, strand-type particles measuring 90 × 25 × 1 mm3, using castor oil-based polyurethane resin (13%) and Al2O3 microparticle content ranging from 1% to 3% of the resin mass. The physical and mechanical properties of the OSBs were determined following the EN-300:2002 recommendations. The results obtained indicated that the OSBs with 2% Al2O3 presented thickness swelling significantly lower (at the 5% significance level) after being subjected to accelerated aging and internal bonding of the particles higher than the values obtained for the references, evidencing the positive effect of including Al2O3 microparticles in balsa OSBs.

The editorial team greatly appreciates the reviewers who contributed their knowledge and expertise to the journal’s editorial process over the past 12 months. Arrighetti, Walter Materka, Andrzej Atkinson, Jonathan A Mazurek, Przemysław Aubry, Mathieu Mcllhagga, William Audenaert, Jan Meiburger, Kristen M. Augereau, Olivier Meillier, Céline Awad, Ali Said Mesas-Carrascosa, Francisco Javier Aβmann, Marc Mestrom, Rob Bakos, Jason Miedzińska, Danuta Balázs, Péter Miller, Erin Balietti, Stefano Minervini, Massimo Balletti, Caterina Moccozet, Laurent Balsa-Barreiro, Jose Moghari, Mehdi Hedjazi Banhart, John Mohammad, Khader Banic, Nikola Molinara, Mario Barney Smith, Elisa Molina-Solana, Miguel Barros, Pablo Mollahosseini, Ali Barry, David J Mondal, Suman B. Barsanti, Sara Gonizzi Monnier, Christophe Baselice, Fabio Moosmann, Julian Bech, Martin Moreno, Emma Muñoz Belaid, Abdel Morgado, Leonel Bellani, Marcella Moroni, Davide Belyaev, Evgeny Morris, Daniel Berezin, Mikhail Y. Morrison, Melanie Bernabe Garcia, Sergio Mortara, Michela Berretti, Stefano Mothe, Frédéric Berthoumieu, Yannick Mousas, Christos Bhagat, Yusuf Mousavi, Hojjat Seyed Bilheux, Jean Nakaguchi, Toshiya Biliński, Piotr Nanni, Loris Bilodeau, Michel Nardino, Vanni Birnbacher, Lorenz Nasiriavanaki, Mohammadreza Blascheck, Tanja Naumova, Anna V. Bleay, Steve Neamtu, Calin Bociort, Florian Negru, Mihai Borzage, Matt Neilsen, Mitchell L. Bosilj, Petra Neto, Pedro Botta, Marco Neubert, Jeremiah Boyang, Su Nguyen, Binh P. Brox, Piedad Nguyen, Dinh-Liem Bulatov, Dimitri Nguyen, Quynh Burie, Jean-Christophe Nicolas, Stéphane Caballer, Jaime Almonacid Nocerino, Erica Cabrera, Humberto Nuutinen, Mikko Calbet, Xavier Odille, Freddy Calvo-Zaragoza, Jorge Oikawa, Kenichi Campen, Marcel Okarma, Krzysztof Campi, Massimiliano Okawa, Shinpei Caplins, Benjamin W. Olbinado, Margie Cardoso, Tiago Oliveira, João F. Carminati, Maria Chiara Olsen, Michael Carter, William E. Orlando, José Ignacio Caruso, Giovanni Orović, Irena Carvajal, Johanna O’Shaughnessy, Douglas Castillo, José Maria Ossandon, Miguel Cecotti, Hubert Oszust, Mariusz Cernadas, Eva Oyamada, Yuji Chabiniok, Radomir Paganin, David Chang, Michael Paige, Rob Chang, Young Ki Palazzo, Simone Charbonnier, Pierre Palmeri, Roberta Chen, Mingzhou Pan, W. David Chen, Xi Panáková, Daniela Choi, Woo June Pander, Tomasz Choi, Wookjin Pandey, Shashank S. Chung, Yongwha Park, Won-Kwang Ciuc, Mihai Parkinson, Dilworth Ciuciu, Philippe Parnell, Steven Clement, Yuen Parziale, Antonio Coakley, Kevin J. Patella, Marco Coelho, João Pinto Payá, Luis Collins, Christopher M. Pedroni, Marco Colom, Miguel Pelzer, Georg Conze, Pierre-Henri Peng, Yan-Tsung Corchs, Silvia Persia, Fabio Cordolino Sobral, Andrews Petro, Ana Belen Corsini, Massimiliano Pevny, Tomas Cortesi, Marco Peysakhovich, Vsevolod Courtney, Jane Pham, Minh-Tan Coutrot, Antoine Pięciak, Tomasz Cozzolino, Daniel Pierre, Fabien Da Silva, Julio Cesar Pintus, Ruggero Danescu, Radu Poigai Arunachalam, Shivaram Danilov, Alexander Polder, Gerrit Davies, Roy Polycarpou, Irene Davila, Kenny Pont, Sylvia De Aguiar, Hilton B. Ponti, Cristina De Momi, Elena Poovvancheri, Jiju De Senneville, Baudouin Denis Pop, Ion Octavian Debattista, Kurt Porter, Glenn Debeir, Olivier Posselt, Dorthe Delaney, John K. Powers, David Delgado, Emma Provazník, Ivo Dell’Aversano, Angela Psannis, Konstantinos Deniziak, Stanisław Psarrou, Alexandra Desjardins, Michèle Putzu, Lorenzo Dev, Soumyabrata Qi, Guanqiu Diaz, Oliver Qian, Wei Diem, Markus Quartulli, Marco Diez, Yago Ragia, Lemonia Doitsidis, Lefteris Ramos Terrades, Oriol Dominguez, Enrique Randazzo, Andrea Drukker, Karen Ranjan, Rajeev Du, Xinli Ranju, Mandal El-Hadedy, Mohamed Rasti, Pejman El-Mashtoly, Samir F. Reale, Michael J. Elshaw, Mark Rebelo, Ana Endrizzi, Marco Reisenhofer, Rafael Engvall, Jan Remis, Rob F. Fabelo, Himar Reu, Phillip L. Fales, Andrew Reyes-Aldasoro, Constantino Carlos Falk, Thorsten Rhodin, Helge Fanelli, Anna Maria Rhouma, Rhouma Fedoseev, Victor Richter, Thomas A. Fernández Carrobles, María Del Milagro Rissolo, Dominique Fernández-Caballero, Antonio Ristic, Michael Ferreira, Diogo R. Ritschel, Tobias Fiandrotti, Attilio Roberson, Gary Filip, Jiri Rodrigues, João Fischer, Gregory Rosado, Alfredo Muñoz Fisher, Robert Rosten, Edward Fliegel, Karel Rotman, Stanley Florea, Corneliu Roy, Aditi Forczmanski, Pawel Saitoh, Takeshi Fotopoulos, Vassilis Sanchez, Victor Frances-Villora, Jose Vicente Sandfeld, Stefan Freedman, Jacob Sankaranarayanan, Aswin C. Fryskowska, Anna Santosh, K.C. Fularz, Michal Sato, Hirotaka Galdran, Adrian Savelonas, Michalis A. Garnero, Gabriele Sawall, Stefan Garrido, Mario Scafè, Raffaele Garrod, Oliver G.B. Scapaticci, Rosa Gasparini, Francesca Schaff, Florian Ge, Yufeng Scharf, Toralf George, Deepu Schillinger, Burkhard Georgopoulos, Andreas Schrom-Feiertag, Helmut Géraud, Thierry Schulz, Georg Gijsenij, Arjan Schwabe, Mierk Ginsca, Alexandru Lucian Schwiegerling, Jim Giotis, Angelos P. Selci, Stefano Glowacz, Adam Sharma, Nabin Goltz, Douglas M. Shimada, Atsushi Gómez, Alberto Shirvaikar, Mukul González Ruiz, Vicente Sidike, Paheding Gosak, Marko Siepel, Françoise J. Gottfried, Björn Simone, Gabriele Grant, Gerald T. Simonot, Lionel Grosse, Mirco Sivasubramanian, Kathyayini Guerrero, Josechu Slattery, Ashley D. Hafner, David Smilgies, Detlef-M. Haji Maghsoudi, Omid Smith, Tim A. D. Hallberg, Tomas Smolka, Bogdan Hamada, Shigeru Smyl, Danny Hamann, Elias Sona, Giovanna Hansen, Mark F. Song, Sang-Eun Harada, Kenji Sorzano, Carlos Oscar Sanchez Harguess, Josh Stäb, Daniel Harjo, Stefanus Stafford-Fraser, Quentin Harmsen, Stefan St-Charles, Pierre-Luc Hartmann, William Sterenborg, Dick Hast, Anders Stock, Stuart Hatt, Mathieu Stoean, Catalin Hayakawa, Takeshi Stoyanov, Danail Hayakawa, Yoshihiko Strzelecki, Michal Henry, Mary C. Su, Hongbo Heras, Dora Blanco Sui, Tan Herkommer, Alois Sun, In-Cheol Hernández, Diego Ortego Sundstedt, Veronica Hernandez-Cabronero, Miguel Svendsen, Morten Bo Søndergaard Herrero-Langreo, Ana Ta, Hang Herrmann, Christian Tabkhi, Hamed Hess, Mona Tahmassebi, Amirhessam Hines, Andrew Takayama, Kenshi Hiraki, Takao Tankyevych, Olena Hirsch, Ernest Tarroni, Giacomo Huang, Xiaojing Tarsitano, Achille Huang, Yanbo Tarvainen, Tanja Hudec, Robert Timlin, Jerilyn A. Hui, Jie Topouzelis, Konstantinos Hulusic, Vedad Tornari, Vivi Hurtík, Petr Torres Vega, Maria Impedovo, Donato Toyoura, Masahiro Inagaki, Tetsuya Treibitz, Tali Inoue, Kohei Treimer, Wolfgang Inverso, Donato Tzimiropoulos, Yorgos Inzerillo, Laura Uchiyama, Hideaki Janowczyk, Andrew Ugail, Hassan Javed, Sajid Uhring, Wilfried Jayasuriya, Suren Ul Alam, Mohammad Arif Jean-Christophe, Prévotet Ullrich, Franziska Jessie, Jockerst Upneja, Rahul Johnson Shepherd, Jami Upputuri, Paul Kumar Josep, Arnal Vallez, Noelia Joseph, James Van De Weijer, Joost Jung, Ho Gi Van Droogenbroeck, Marc Kaestner, Anders Varga, Tamas Kaliakatsos-Papakostas, Maximos Vegas-Sánchez-Ferrero, Gonzalo Kaplun, Dmitrii Vélez, José Francisco Kardjilov, Nikolay Verbeek, Fons J. Kasiński, Krzysztof Verma, Navin Kumar Kasneci, Enkelejda Vertan, Constantin Kastner, Johann Vesoulis, Zachary A. Kawabata, Norifumi Vidal, Vicente Kawanishi, Yasutomo Vila-Comamala, Joan Kesidis, Anastasios L. Villanueva, Manuel Vargas Keskinarkaus, Anja Vincent, Nicole Khimchenko, Anna Walha, Rim Kiefer, Gundolf Wang, Depeng Kiefer, Johannes Wang, Zhantong Kim, Chunwoo Watson, Des Kim, Kyungsang Weber, Jonathan Kobashi, S Weiss, Pierre Kober, Silvia Weitkamp, Timm Kok Sheik, Wong White, Ryan M. Komoike, Yuta Wiliem, Arnold Konidaris, Thomas Williams, Jeremiah Kraft, Marek Wirz, Raul Krähenbühl, Adrien Wu, Ziyan Krawiec, Krzysztof Xiao, Perry Kronreif, Gernot Yeom, Seokwon Krug, Johannes Yue-Hei Ng, Joe Kubat, Ivana Yuen, Peter Kulhavy, David L. Zabalza, Jaime Kumhálová, Jitka Zabler, Simon Kunjachan, Sijumon Zaky, Ahmed Kwok, Edmund Zambrano, Miller Kwok, Ngai Ming Zanetti, Massimo Laaß, Michael Zanibbi, Richard Laligant, Olivier Zaslanky, Paul LaManna, Jacob Zauner, Gerald Lambers, Martin Zeni, Nicola Laneve, Giovanni Zerman, Emin Lang, Jochen Zhang, Jiashu Langovoy, Mikhail Zhang, Jiong Lapray, Pierre-Jean Zhang, Ziming Leach, Joseph Zherebtsov, Evgeny Lee, Byung-Uk Zin, Thi Thi Lee, Changho Zlokolica, Vladimir Lee, Jong Taek Zuber, Marcus Lee, Soochahn

Balsa ( Ochroma pyramidale ), which is the lowest density wood, is a useful species in various industries. In general, balsa can be divided into three types (low density: LD, middle density: MD, high density: HD). In this study, we classified the porosities of the three balsa types into through-pore porosity, blind-pore porosity, and closed-pore porosity. As a result, the total porosity of balsa showed a high positive (+) correlation with closed-pore porosity, but total porosity of balsa showed negative (−) correlations with blind-pore porosity and through-pore porosity. Such information can be useful when using balsa as a natural porous material.