It is our pleasure to invite you to read the highly cited papers from Bioengineering (ISSN: 2306-5354), published in 2020. The selected papers are listed below:

1. “Up-Flow Anaerobic Sludge Blanket (UASB) Technology for Energy Recovery: A Review on State-of-the-Art and Recent Technological Advances”
by Matia Mainardis, Marco Buttazzoni and Daniele Goi
Bioengineering 2020, 7(2), 43; https://doi.org/10.3390/bioengineering7020043
Available online: https://www.mdpi.com/2306-5354/7/2/43

2. “Progress in Delivery of siRNA-Based Therapeutics Employing Nano-Vehicles for Treatment of Prostate Cancer”
by Milad Ashrafizadeh, Kiavash Hushmandi, Ebrahim Rahmani Moghadam, Vahideh Zarrin, Sharareh Hosseinzadeh Kashani, Saied Bokaie, Masoud Najafi, Shima Tavakol, Reza Mohammadinejad, Noushin Nabavi, Chia-Ling Hsieh, Atefeh Zarepour, Ehsan Nazarzadeh Zare, Ali Zarrabi, and Pooyan Makvandi
Bioengineering 2020, 7(3), 91; https://doi.org/10.3390/bioengineering7030091
Available online: https://www.mdpi.com/2306-5354/7/3/91

3. “Sol-Gel Derived Hydroxyapatite Coatings for Titanium Implants: A Review”
by Alaa Jaafar, Christine Hecker, Pál Árki and Yvonne Joseph
Bioengineering 2020, 7(4), 127; https://doi.org/10.3390/bioengineering7040127
Available online: https://www.mdpi.com/2306-5354/7/4/127

4. “Green and Cost-Effective Synthesis of Metallic Nanoparticles by Algae: Safe Methods for Translational Medicine”
by Bushra Uzair, Ayesha Liaqat, Haroon Iqbal, Bouzid Menaa, Anam Razzaq, Gobika Thiripuranathar, Nosheen Fatima Rana and Farid Menaa
Bioengineering 2020, 7(4), 129; https://doi.org/10.3390/bioengineering7040129
Available online: https://www.mdpi.com/2306-5354/7/4/129

5. “Nanocellulose-Based Inks for 3D Bioprinting: Key Aspects in Research Development and Challenging Perspectives in Applications—A Mini Review”
by Xiaoju Wang, Qingbo Wang and Chunlin Xu
Bioengineering 2020, 7(2), 40; https://doi.org/10.3390/bioengineering7020040
Available online: https://www.mdpi.com/2306-5354/7/2/40

6. “3D Bioprinting Strategies for the Regeneration of Functional Tubular Tissues and Organs”
by Hun-Jin Jeong, Hyoryung Nam, Jinah Jang and Seung-Jae Lee
Bioengineering 2020, 7(2), 32; https://doi.org/10.3390/bioengineering7020032
Available online: https://www.mdpi.com/2306-5354/7/2/32

7. “Innovative Human Three-Dimensional Tissue-Engineered Models as an Alternative to Animal Testing”
by Patrick Bédard, Sara Gauvin, Karel Ferland, Christophe Caneparo, Ève Pellerin, Stéphane Chabaud and Stéphane Bolduc
Bioengineering 2020, 7(3), 115; https://doi.org/10.3390/bioengineering7030115
Available online: https://www.mdpi.com/2306-5354/7/3/115

8. “Economic Perspectives of Biogas Production via Anaerobic Digestion”
by Arpit H. Bhatt and Ling Tao
Bioengineering 2020, 7(3), 74; https://doi.org/10.3390/bioengineering7030074
Available online: https://www.mdpi.com/2306-5354/7/3/74

9. “Collagen Fibril Density Modulates Macrophage Activation and Cellular Functions during Tissue Repair”
by Jiranuwat Sapudom, Walaa Kamal E. Mohamed, Anna Garcia-Sabaté, Aseel Alatoom, Shaza Karaman, Nikhil Mahtani and Jeremy C. M. Teo
Bioengineering 2020, 7(2), 33; https://doi.org/10.3390/bioengineering7020033
Available online: https://www.mdpi.com/2306-5354/7/2/33

10. “Translational Roadmap for the Organs-on-a-Chip Industry toward Broad Adoption”
by Vanessa Allwardt, Alexander J. Ainscough, Priyalakshmi Viswanathan, Stacy D. Sherrod, John A. McLean, Malcolm Haddrick and Virginia Pensabene
Bioengineering 2020, 7(3), 112; https://doi.org/10.3390/bioengineering7030112
Available online: https://www.mdpi.com/2306-5354/7/3/112