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317 Results Found

  • Article
  • Open Access
1 Citations
2,367 Views
10 Pages

13 September 2022

The monitoring of must fermentation in a bioreactor, in which the main physico-chemical parameters are tightly controlled, can provide useful analytical information transferable to winemaking on a larger scale. In this experiment, we followed the gro...

  • Article
  • Open Access
16 Citations
3,801 Views
18 Pages

BNC Biosynthesis with Increased Productivity in a Newly Designed Surface Air-Flow Bioreactor

  • Izabela Cielecka,
  • Małgorzata Ryngajłło and
  • Stanisław Bielecki

1 June 2020

The application of bacterial cellulose (BNC) could be widely expanded if the production costs were reduced. This study aims to determine factors simultaneously affecting the yield and tensile strength of BNC in a newly designed surface air-flow biore...

  • Article
  • Open Access
12 Citations
4,418 Views
20 Pages

Impact of Chronic Tetracycline Exposure on Human Intestinal Microbiota in a Continuous Flow Bioreactor Model

  • Youngbeom Ahn,
  • Ji Young Jung,
  • Ohgew Kweon,
  • Brian T. Veach,
  • Sangeeta Khare,
  • Kuppan Gokulan,
  • Silvia A. Piñeiro and
  • Carl E. Cerniglia

Studying potential dietary exposure to antimicrobial drug residues via meat and dairy products is essential to ensure human health and consumer safety. When studying how antimicrobial residues in food impact the development of antimicrobial drug resi...

  • Article
  • Open Access
10 Citations
4,241 Views
14 Pages

8 March 2020

Bone grafts represent a multibillion-dollar industry, with over a million grafts occurring each year. Common graft types are associated with issues such as donor site morbidity in autologous grafts and immunological response in allogenic grafts. Bone...

  • Article
  • Open Access
10 Citations
4,847 Views
16 Pages

22 June 2022

Combining biomaterial scaffolds with cells serves as a promising strategy for engineering critical size defects; however, homogenous cellular growth within large scaffolds is challenging. Mechanical stimuli can enhance bone regeneration by modulating...

  • Article
  • Open Access
1,307 Views
25 Pages

Large-scale bioprocesses often suffer from spatial heterogeneities, which impact microbial performance and often lead to phenotypic population heterogeneity. To better understand these effects at the single-cell level, this study applied, for the fir...

  • Feature Paper
  • Article
  • Open Access
6 Citations
4,229 Views
19 Pages

Exosomes from cancer cells are implicated in cancer progression and metastasis, carrying immunosuppressive factors that limit the antitumor abilities of immune cells. The development of a real-time, 3D cell/scaffold construct flow perfusion system ha...

  • Article
  • Open Access
14 Citations
3,375 Views
16 Pages

13 June 2019

An improved second-order moment bubble-liquid two-phase turbulent model is developed to predict the hydrodynamic characteristics of the shallow bioreactor using two height-to-diameter ratios of H/D = 1.4 and H/D = 2.9. The two-phase hydrodynamic para...

  • Article
  • Open Access
8 Citations
8,027 Views
24 Pages

3 January 2014

Radial flow perfusion of cell-seeded hollow cylindrical porous scaffolds may overcome the transport limitations of pure diffusion and direct axial perfusion in the realization of bioengineered substitutes of failing or missing tissues. Little has bee...

  • Article
  • Open Access
8 Citations
3,663 Views
16 Pages

Degeneration of Aortic Valves in a Bioreactor System with Pulsatile Flow

  • Naima Niazy,
  • Mareike Barth,
  • Jessica I. Selig,
  • Sabine Feichtner,
  • Babak Shakiba,
  • Asya Candan,
  • Alexander Albert,
  • Karlheinz Preuß,
  • Artur Lichtenberg and
  • Payam Akhyari

Calcific aortic valve disease is the most common valvular heart disease in industrialized countries. Pulsatile pressure, sheer and bending stress promote initiation and progression of aortic valve degeneration. The aim of this work is to establish an...

  • Feature Paper
  • Article
  • Open Access
20 Citations
5,345 Views
27 Pages

21 June 2020

Phenol degradation by Pseudomonas putida BCRC 14365 was investigated at 30 °C and a pH of 5.0–9.0 in the batch tests. Experimental results for both free and immobilized cells demonstrated that a maximum phenol degradation rate occurred at an initial...

  • Article
  • Open Access
2 Citations
4,091 Views
13 Pages

19 May 2021

The perfusion culture of primary hepatocytes has been widely adopted to build bioreactors for various applications. As a drug testing platform, a unique vertical-flow bioreactor (VfB) array was found to create the compaction culture of hepatocytes wh...

  • Article
  • Open Access
3 Citations
3,483 Views
17 Pages

Enhancing the Performance of Tangential Flow Microfiltration for Bioreactor Clarification

  • Amir Hossein Mostafavi,
  • Liang-Kai Chu,
  • Xianghong Qian,
  • John Paul Smelko,
  • Da Zhang,
  • Andrew Zydney and
  • Sumith Ranil Wickramasinghe

Tangential flow microfiltration is easily adapted for batch and continuous bioreactor clarification. The permeate can be introduced directly to the subsequent capture step. However, the commercial use of tangential flow filtration (TFF) is limited by...

  • Article
  • Open Access
22 Citations
8,331 Views
14 Pages

29 October 2013

A microfluidic bioreactor with an easy to fabricate nano-plasmonic surface is demonstrated for studies of biofilms and their precursor materials via Surface Enhanced Raman Spectroscopy (SERS). The system uses a novel design to induce sheath flow conf...

  • Article
  • Open Access
935 Views
14 Pages

Novel Nonlinear Control in a Chaotic Continuous Flow Enzymatic–Fermentative Bioreactor

  • Juan Luis Mata-Machuca,
  • Pablo Antonio López-Pérez and
  • Ricardo Aguilar-López

Fermentative processes are considered one of the most important technological developments in the modern transforming industry, due to this, the applied research to reach high performance standards with a crucial focus on system intensification, whic...

  • Review
  • Open Access
10 Citations
6,914 Views
40 Pages

Tissue engineering, with the goal of repairing or replacing damaged tissue and organs, has continued to make dramatic science-based advances since its origins in the late 1980’s and early 1990’s. Such advances are always multi-disciplinar...

  • Article
  • Open Access
10 Citations
2,986 Views
15 Pages

Simultaneous Enzymatic Cellulose Hydrolysis and Product Separation in a Radial-Flow Membrane Bioreactor

  • Saleha Al-Mardeai,
  • Emad Elnajjar,
  • Raed Hashaikeh,
  • Boguslaw Kruczek,
  • Bart Van der Bruggen and
  • Sulaiman Al-Zuhair

4 January 2022

Hydrolysis is the heart of the lignocellulose-to-bioethanol conversion process. Using enzymes to catalyze the hydrolysis represents a more environmentally friendly pathway compared to other techniques. However, for the process to be economically feas...

  • Article
  • Open Access
26 Citations
9,665 Views
28 Pages

CFD and Experimental Characterization of a Bioreactor: Analysis via Power Curve, Flow Patterns and k L a

  • Luis A. Ramírez,
  • Edwar L. Pérez,
  • Cesar García Díaz,
  • Dumar Andrés Camacho Luengas,
  • Nicolas Ratkovich and
  • Luis H. Reyes

20 July 2020

Mixing operations in biological processes is of utmost importance due to its effect on scaling-up and heat and mass transfer. This paper presents the characterization of a bench-top bioreactor with different impeller configurations, agitation and oxy...

  • Article
  • Open Access
11 Citations
2,911 Views
12 Pages

Measurement of Mass Transfer Intensity in Gas–Liquid Medium of Bioreactor Circuit Using the Thermometry Method

  • Ilya Starodumov,
  • Irina Nizovtseva,
  • Sergey Lezhnin,
  • Sergey Vikharev,
  • Vladislav Svitich,
  • Pavel Mikushin,
  • Dmitri Alexandrov,
  • Nikolay Kuznetsov and
  • Dmitri Chernushkin

25 November 2022

The development of energy-efficient solutions for large-scale fermenters demands a deep and comprehensive understanding of hydrodynamic and heat and mass transfer processes. Despite a wide variety of research dedicated to measurements of mass transfe...

  • Article
  • Open Access
239 Views
26 Pages

Solid–Liquid Flow Analysis Using Simultaneous Two-Phase PIV in a Stirred Tank Bioreactor

  • Mohamad Madani,
  • Angélique Delafosse,
  • Sébastien Calvo and
  • Dominique Toye

8 January 2026

Solid–liquid stirred tanks are widely used in multiphase processes, including bioreactors for mesenchymal stem cell (MSC) culture, yet simultaneous experimental data for both dispersed and carrier phases remain limited. Here, a refractive index...

  • Review
  • Open Access
83 Citations
22,006 Views
32 Pages

Bioreactor Systems for Human Bone Tissue Engineering

  • Martina Sladkova and
  • Giuseppe Maria De Peppo

11 June 2014

Critical size skeletal defects resulting from trauma and pathological disorders still remain a major clinical problem worldwide. Bone engineering aims at generating unlimited amounts of viable tissue substitutes by interfacing osteocompetent cells of...

  • Article
  • Open Access
9 Citations
3,578 Views
31 Pages

Assessing the Mass Transfer Coefficient in Jet Bioreactors with Classical Computer Vision Methods and Neural Networks Algorithms

  • Irina Nizovtseva,
  • Vladimir Palmin,
  • Ivan Simkin,
  • Ilya Starodumov,
  • Pavel Mikushin,
  • Alexander Nozik,
  • Timur Hamitov,
  • Sergey Ivanov,
  • Sergey Vikharev and
  • Felix Blyakhman
  • + 9 authors

21 February 2023

Development of energy-efficient and high-performance bioreactors requires progress in methods for assessing the key parameters of the biosynthesis process. With a wide variety of approaches and methods for determining the phase contact area in gas–li...

  • Review
  • Open Access
15 Citations
11,485 Views
29 Pages

Computational Modelling and Simulation of Scaffolds for Bone Tissue Engineering

  • Haja-Sherief N. Musthafa,
  • Jason Walker and
  • Mariusz Domagala

Three-dimensional porous scaffolds are substitutes for traditional bone grafts in bone tissue engineering (BTE) applications to restore and treat bone injuries and defects. The use of computational modelling is gaining momentum to predict the paramet...

  • Article
  • Open Access
1 Citations
2,489 Views
22 Pages

Performance of a Pharmaceutical Single-Use Stirred Tank Operating at Different Filling Volumes: Mixing Time, Fluid Dynamics and Power Consumption

  • Federico Alberini,
  • Andrea Albano,
  • Pushpinder Singh,
  • Giuseppina Montante,
  • Francesco Maluta,
  • Nicodemo Di Pasquale and
  • Alessandro Paglianti

8 March 2025

Single-use bioreactors (SUBs) are revolutionizing biotechnology and biopharmaceutical manufacturing by offering cost-efficient, flexible, and scalable alternatives to traditional reusable systems. These bioreactors, made from disposable and pre-steri...

  • Article
  • Open Access
2 Citations
2,591 Views
21 Pages

Biogas Production and Metagenomic Analysis in a New Hybrid Anaerobic Labyrinth-Flow Bioreactor Treating Dairy Wastewater

  • Marcin Zieliński,
  • Marta Kisielewska,
  • Marcin Dębowski,
  • Paulina Rusanowska,
  • Anna Nowicka and
  • Magda Dudek

21 April 2023

Increasing worldwide milk manufacturing and dairy processing resulted in producing more effluents, and thus effective management of wastewater is now the most important issue. This study used a new design of a pilot plant-scale hybrid anaerobic labyr...

  • Article
  • Open Access
1,633 Views
24 Pages

24 May 2024

Anaerobic wastewater treatment is, in many cases, a justified alternative to typical activated sludge processes, from a technological, economic, and ecological point of view. The optimisation of fermentation reactors is primarily concerned with incre...

  • Article
  • Open Access
8 Citations
2,595 Views
15 Pages

Influence of Culture Period on Osteoblast Differentiation of Tissue-Engineered Bone Constructed by Apatite-Fiber Scaffolds Using Radial-Flow Bioreactor

  • Kitaru Suzuki,
  • Jun Fukasawa,
  • Maiko Miura,
  • Poon Nian Lim,
  • Michiyo Honda,
  • Tomokazu Matsuura and
  • Mamoru Aizawa

3 December 2021

With the limitation of autografts, the development of alternative treatments for bone diseases to alleviate autograft-related complications is highly demanded. In this study, a tissue-engineered bone was formed by culturing rat bone marrow cells (RBM...

  • Article
  • Open Access
8 Citations
2,564 Views
14 Pages

Sequential Injection Amperometric System Coupling with Bioreactor for In-Line Glucose Monitoring in Cell Culture Application

  • Chanyanut Wongsa,
  • Suruk Udomsom,
  • Apiwat Budwong,
  • Kanokwan Kiwfo,
  • Kate Grudpan and
  • Pathinan Paengnakorn

7 October 2022

We proposed a specially designed sequential injection (SI) amperometric system coupling with a bioreactor for in-line glucose monitoring in cell culture. The system is composed of three main parts which are the bioreactor, SI system, and electrochemi...

  • Article
  • Open Access
20 Citations
5,502 Views
11 Pages

An Enzymatic Flow-Based Preparative Route to Vidarabine

  • Lucia Tamborini,
  • Clelia Previtali,
  • Francesca Annunziata,
  • Teodora Bavaro,
  • Marco Terreni,
  • Enrica Calleri,
  • Francesca Rinaldi,
  • Andrea Pinto,
  • Giovanna Speranza and
  • Paola Conti
  • + 1 author

The bi-enzymatic synthesis of the antiviral drug vidarabine (arabinosyladenine, ara-A), catalyzed by uridine phosphorylase from Clostridium perfringens (CpUP) and a purine nucleoside phosphorylase from Aeromonas hydrophila (AhPNP), was re-designed un...

  • Article
  • Open Access
1 Citations
2,424 Views
10 Pages

23 September 2024

The corneal endothelium is responsible for pumping fluid out of the stroma in order to maintain corneal transparency, which depends in part on the expression and activity of sodium–potassium pumps. In this study, we evaluated how physiologic pr...

  • Feature Paper
  • Article
  • Open Access
10 Citations
3,179 Views
15 Pages

Automated Compartment Model Development Based on Data from Flow-Following Sensor Devices

  • Jonas Bisgaard,
  • Tannaz Tajsoleiman,
  • Monica Muldbak,
  • Thomas Rydal,
  • Tue Rasmussen,
  • Jakob K. Huusom and
  • Krist V. Gernaey

13 September 2021

Due to the heterogeneous nature of large-scale fermentation processes they cannot be modelled as ideally mixed reactors, and therefore flow models are necessary to accurately represent the processes. Computational fluid dynamics (CFD) is used more an...

  • Article
  • Open Access
2 Citations
2,020 Views
13 Pages

Development of Technology for the Bioleaching of Uranium in a Solution of Bacterial Immobilization

  • Bauyrzhan Shiderin,
  • Yerkin Bektay,
  • Gaukhar Turysbekova,
  • Akmurat Altynbek and
  • Maxat Bektayev

28 May 2024

This study presents findings regarding the kinetics of ferrous iron oxidation in solution mediated by Acidithiobacillus ferrooxidans bacteria within a continuous-flow bioreactor employing diverse types of immobilizers. The objective is to augment the...

  • Article
  • Open Access
14 Citations
3,916 Views
15 Pages

Pollutant Removal and Energy Recovery from Swine Wastewater Using Anaerobic Membrane Bioreactor: A Comparative Study with Up-Flow Anaerobic Sludge Blanket

  • Yunhui Pu,
  • Jialing Tang,
  • Ting Zeng,
  • Yisong Hu,
  • Jixiang Yang,
  • Xiaochang Wang,
  • Jin Huang and
  • Abdelfatah Abomohra

6 August 2022

Due to its high content of organics and nutrients, swine wastewater has become one of the main environment pollution sources. Exploring high-efficient technologies for swine wastewater treatment is urgent and becoming a hot topic in the recent years....

  • Article
  • Open Access
1 Citations
2,150 Views
17 Pages

Impact of Fluid Dynamics on the Viability and Differentiation Capacity of 3D-Cultured Jaw Periosteal Cells

  • Wanjing Cen,
  • Suya Wang,
  • Felix Umrath,
  • Siegmar Reinert and
  • Dorothea Alexander

Perfused bioreactor systems are considered to be a promising approach for the 3D culturing of stem cells by improving the quality of the tissue-engineered grafts in terms of better cell proliferation and deeper penetration of used scaffold materials....

  • Article
  • Open Access
8 Citations
3,540 Views
14 Pages

Nitrate Removal and Woodchip Properties across a Paired Denitrifying Bioreactor Treating Centralized Agricultural Ditch Flows

  • Bryan Maxwell,
  • Laura Christianson,
  • Richard A. C. Cooke,
  • Mary Foltz,
  • Niranga Wickramarathne,
  • Ronnie Chacon and
  • Reid Christianson

28 December 2021

Treatment of nitrate loads by denitrifying bioreactors in centralized drainage ditches that receive subsurface tile drainage may offer a more effective alternative to end-of-pipe bioreactors. A paired denitrifying bioreactor design, consisting of an...

  • Article
  • Open Access
1 Citations
2,492 Views
17 Pages

22 January 2024

To reduce the operating costs of conventional membrane bioreactors (MBRs) and improve the stability and quality of the dynamic membrane bioreactor (DMBR) effluent, a homemade inexpensive filter cloth assembly was connected to an up-flow ultra-lightwe...

  • Article
  • Open Access
6 Citations
4,831 Views
21 Pages

Hydrodynamics and Mass Transfer Analysis in BioFlow® Bioreactor Systems

  • Marian Kordas,
  • Maciej Konopacki,
  • Bartłomiej Grygorcewicz,
  • Adrian Augustyniak,
  • Daniel Musik,
  • Krzysztof Wójcik,
  • Magdalena Jędrzejczak-Silicka and
  • Rafał Rakoczy

19 October 2020

Biotechnological processes involving the presence of microorganisms are realized by using various types of stirred tanks or laboratory-scale dual-impeller commercial bioreactor. Hydrodynamics and mass transfer rate are crucial parameters describing t...

  • Article
  • Open Access
12 Citations
4,990 Views
21 Pages

Online Measurement System for Dynamic Flow Bioreactors to Study Barrier Integrity of hiPSC-Based Blood–Brain Barrier In Vitro Models

  • Jihyoung Choi,
  • Sanjana Mathew,
  • Sabrina Oerter,
  • Antje Appelt-Menzel,
  • Jan Hansmann and
  • Tobias Schmitz

Electrochemical impedance spectroscopy (EIS) is a noninvasive, reliable, and efficient method to analyze the barrier integrity of in vitro tissue models. This well-established tool is used most widely to quantify the transendothelial/epithelial resis...

  • Article
  • Open Access
1 Citations
3,044 Views
18 Pages

23 February 2024

Key operating variables to predict the necessary scour air flowrate in full-scale Membrane Bioreactor (MBR) systems are identified, aiming to optimize energy consumption while avoiding the limiting condition (i.e., rapid increasing total resistance)....

  • Article
  • Open Access
2 Citations
2,295 Views
15 Pages

3 August 2023

Anaerobic membrane bioreactors (AnMBRs) require biogas recycling to stir the mixed liquid and flush particles away from the membrane surfaces for stable operation. With the fixed gas cycling rate, gas diffuser configuration is an important factor tha...

  • Article
  • Open Access
42 Citations
7,426 Views
19 Pages

The Simplified Human Intestinal Microbiota (SIHUMIx) Shows High Structural and Functional Resistance against Changing Transit Times in In Vitro Bioreactors

  • Stephanie Serena Schäpe,
  • Jannike Lea Krause,
  • Beatrice Engelmann,
  • Katarina Fritz-Wallace,
  • Florian Schattenberg,
  • Zishu Liu,
  • Susann Müller,
  • Nico Jehmlich,
  • Ulrike Rolle-Kampczyk and
  • Martin von Bergen
  • + 1 author

Many functions in host–microbiota interactions are potentially influenced by intestinal transit times, but little is known about the effects of altered transition times on the composition and functionality of gut microbiota. To analyze these ef...

  • Article
  • Open Access
1,592 Views
17 Pages

Elicited Production of Essential Oil with Immunomodulatory Activity in Salvia apiana Microshoot Culture

  • Agata Krol,
  • Adam Kokotkiewicz,
  • Bozena Zabiegala,
  • Klaudia Ciesielska-Figlon,
  • Ewa Bryl,
  • Jacek Maciej Witkowski,
  • Adam Bucinski and
  • Maria Luczkiewicz

10 February 2025

Salvia apiana Jepson is an endemic North American species characterized by a rich phytochemical profile including abietane-type diterpenoids, phenolic acids, flavonoids, and thujone-free essential oil (EO). The current study was aimed at increasing E...

  • Article
  • Open Access
44 Citations
7,446 Views
20 Pages

12 August 2021

Gastrointestinal (GI) mucus plays a pivotal role in the tissue homoeostasis and functionality of the gut. However, due to the shortage of affordable, realistic in vitro GI models with a physiologically relevant mucus layer, studies with deeper insigh...

  • Article
  • Open Access
35 Citations
15,905 Views
26 Pages

Shared Urban Greywater Recycling Systems: Water Resource Savings and Economic Investment

  • Sara Moslemi Zadeh,
  • Dexter V.L. Hunt,
  • D. Rachel Lombardi and
  • Christopher D.F. Rogers

3 July 2013

The water industry is becoming increasingly aware of the risks associated with urban supplies not meeting demands by 2050. Greywater (GW) recycling for non-potable uses (e.g., urinal and toilet flushing) provides an urban water management strategy to...

  • Article
  • Open Access
24 Citations
9,459 Views
11 Pages

18 October 2016

Wastewater reuse has become an important part of the urban water supply portfolio in water stressed regions. Effective wastewater treatment processes are critical to protect public health during water reuse practices. However, the microbial removal e...

  • Article
  • Open Access
9 Citations
4,573 Views
18 Pages

Methane Production from Confectionery Wastewater Treated in the Anaerobic Labyrinth-Flow Bioreactor

  • Marcin Dębowski,
  • Marta Kisielewska,
  • Joanna Kazimierowicz and
  • Marcin Zieliński

3 January 2023

Production and consumption of confectionery products have increased worldwide, thus, effective management of wastewater produced is now an important issue. The confectionery high-load sewage was explored for biogas production in an innovative-design...

  • Article
  • Open Access
11 Citations
3,817 Views
22 Pages

Assessment of an Integrated and Sustainable Multistage System for the Treatment of Poultry Slaughterhouse Wastewater

  • Phumeza Akhona Dyosile,
  • Cebisa Mdladla,
  • Mahomet Njoya,
  • Moses Basitere,
  • Seteno Karabo Obed Ntwampe and
  • Ephraim Kaskote

This paper assesses the performance of an integrated multistage laboratory-scale plant, for the treatment of poultry slaughterhouse wastewater (PSW). The system was comprised of an eco-flush dosed bio-physico pre-treatment unit for fats, oil, and gre...

  • Article
  • Open Access
4 Citations
3,138 Views
10 Pages

Design and Testing of a Disposable Flow Cuvette for Continuous Electroporation of a Bioreactor’s Initial Algae Cultivation

  • Georgios Banis,
  • Maria Savvidou,
  • Antonios Georgas,
  • Athanasios Batagiannis,
  • Fragiskos Kolisis,
  • Angelo Ferraro and
  • Evangelos Hristoforou

Electroporation is a technique applied both in biomedical and biotechnological fields which uses a high-voltage electric current to temporarily destabilize the plasma membrane of living cells, permitting the introduction of small molecules as well as...

  • Article
  • Open Access
443 Views
26 Pages

A Fluid Dynamics-Model System for Advancing Tissue Engineering and Cancer Research Studies: Biological Assessment of the Innovative BioAxFlow Dynamic Culture Bioreactor

  • Giulia Gramigna,
  • Federica Liguori,
  • Ludovica Filippini,
  • Maurizio Mastantuono,
  • Michele Pistillo,
  • Margherita Scamarcio,
  • Alessia Mengoni,
  • Antonella Lisi,
  • Giuseppe Falvo D’Urso Labate and
  • Mario Ledda

18 December 2025

In this study, an innovative bioreactor, named BioAxFlow, particularly suitable for tissue engineering applications, is tested. Unlike traditional bioreactors, it does not rely on mechanical components to agitate the culture medium, but on the unique...

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