Review
Sport Sciences
Luana Farias de Oliveira, Eimear Dolan, Paul A. Swinton, Krzysztof Durkalec-Michalski, Guilherme G. Artioli, Lars R. McNaughton, Bryan Saunders
Summary: This study systematically investigated the main effects of extracellular buffering agents on exercise outcomes, finding that supplementation leads to large increases in blood bicarbonate concentration, resulting in positive effects on exercise, with sodium bicarbonate being the most effective. Several group-level moderating factors were also identified in the study.
Article
Energy & Fuels
Uchenna Egwu, Paul Sallis, Eni Oko
Summary: Nutrient supplementation had varying effects on the biomethane production of West African Gamba and Guinea Grass during anaerobic digestion, with some supplements showing a significant increase in specific methane production.
Article
Environmental Sciences
Jia Wang, Shuangrong Wu, Qi Yang, Bingyang Liu, Ming Yang, WeiLiang Fei, Yandong Tang, XiaoLan Zhang
Summary: This research conducted a comprehensive study on the removal of carbon tetrachloride in anaerobic co-metabolism reactors. The experiments showed that glucose co-metabolism substrate reactor exhibited the highest removal efficiency and Pseudomonas was identified as the most important dechlorination bacteria.
Article
Engineering, Environmental
Chungheon Shin, Sebastien H. Tilmans, Felipe Chen, Craig S. Criddle
Summary: The study focuses on the anaerobic treatment of municipal wastewater to produce energy and low levels of biosolids. A generic model for AnMBRs is proposed, which incorporates hydrolysis and dispersed growth microbial metabolism. The model development involved acquiring key kinetic metabolic parameters, creating a matrix of metabolic processes, and developing a model to describe relevant mass balances in the system. Dynamic simulations of a pilot-scale SAF-MBR treating municipal wastewater demonstrate the utility of the model for systems-level performance predictions.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Engineering, Environmental
Zhuo Zeng, Ping Zheng, Da Kang, Yiyu Li, Wenji Li, Dongdong Xu, Wenda Chen, Chao Pan
Summary: Copper and zinc, common in swine wastewater, can be effectively removed by anaerobic granular sludge (AnGS) through adsorption and sulfide precipitation pathways. Batch and continuous experiments showed high removal efficiencies of 99% and 49% for Cu2+ and Zn2+ by AnGS, with the main mechanism being biological sulfide production followed by chemical precipitation and reduction.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Microbiology
Yifeng Huang, Yongwen Ma, Jinquan Wan, Yan Wang
Summary: This study investigated the performance of a full-scale anaerobic biochemical system for treating deinking pulp (DIP) wastewater using a mathematical simulation model based on ADM1. The model was optimized by identifying and adjusting sensitive parameters to achieve results that align with actual field measurements.
FRONTIERS IN MICROBIOLOGY
(2021)
Article
Agricultural Engineering
Anissa Sukma Safitri, Krista Michelle Kaster, Roald Kommedal
Summary: This study investigated the production of biogas and removal of municipal wastewater COD at low temperatures using granulated anaerobic biomass. The results showed that stable COD removal and methane production could be achieved at higher temperatures, and temperature did not significantly affect the methane production rate and yield. COD removal and methane yields decreased at lower temperatures, but significant methane formation was still observed.
BIORESOURCE TECHNOLOGY
(2022)
Article
Agricultural Engineering
Wenda Chen, Tao Yu, Dongdong Xu, Wenji Li, Chao Pan, Yiyu Li, Zhuo Zeng, Da Kang, Shengdao Shan, Ping Zheng
Summary: A new DOuble Circulation Anaerobic Sludge bed reactor was developed to enhance the production of endogenous sludge, balancing the discharge of calcified sludge. The method was proven to reduce sludge washout rate and increase sludge proliferation rate effectively.
BIORESOURCE TECHNOLOGY
(2021)
Article
Agricultural Engineering
Mengmeng Jiang, Zhiyue Wu, Junqiang Yao, Simon M. Wandera, Dalal E. Algapani, Renjie Dong, Wei Qiao
Summary: The study investigated a hybrid submerged anaerobic membrane bioreactor for the thermophilic anaerobic digestion of food waste, showing high stability, efficient organic removal, and excellent membrane filtration performance.
BIORESOURCE TECHNOLOGY
(2021)
Article
Biotechnology & Applied Microbiology
Ghazal Aziz, Arsalan Zaidi, Muhammad Tariq
Summary: This study reveals the unregulated nature of the local probiotic market, with most products failing to meet label claims. Many products contained non-viable cells and showed significant batch-to-batch variation. Half of the products contained antibiotic-resistant strains, posing a risk for the spread of antibiotic resistance and the overall gut health.
PROBIOTICS AND ANTIMICROBIAL PROTEINS
(2022)
Article
Environmental Sciences
Hamed Baniamerian, Parisa Ghofrani-Isfahani, Panagiotis Tsapekos, Merlin Alvarado-Morales, Mohammad Shahrokhi, Irini Angelidaki
Summary: The study found that metals such as nickel and iron are crucial for the anaerobic digestion process, and utilizing nickel and iron coated on TiO2 nanoparticles can enhance hydrolysis rate and methane production of substrates.
Article
Biology
Yongxiang Shi, Zhiwei Lian, Shengqian Hu, Yingying Hu
Summary: This study examined the influence of temperature, relative humidity, and CO2 concentration on anaerobic exercise performance. Results showed that temperature was a significant factor affecting peak power and average power, while changes in relative humidity and carbon dioxide concentration did not have a significant effect on anaerobic exercise performance.
JOURNAL OF THERMAL BIOLOGY
(2022)
Article
Agricultural Engineering
Qiuxian Qi, Chen Sun, Chicaiza Cristhian, Tengyu Zhang, Jingxin Zhang, Hailin Tian, Yiliang He, Yen Wah Tong
Summary: This study evaluated the performance of different biochar-amended anaerobic digestion systems and found that biochar produced at high gasification temperature can promote methane production and improve digestion performance. The results indicate that the surface functional groups of biochar have a significant impact on anaerobic digestion performance at different temperatures.
BIORESOURCE TECHNOLOGY
(2021)
Article
Engineering, Environmental
Hong Zhang, Wenduo Yuan, Qin Dong, Di Wu, Pingjin Yang, Yun Peng, Lei Li, Xuya Peng
Summary: Ammonia inhibition is a common cause of instability in commercial biogas plants. This study used metagenomics and metaproteomics analyses to investigate the sensitivity of different functional bacteria to ammonia stress, their ability to adapt to ammonia stress, and the key phylotypes affecting anaerobic digestion (AD) performance.
Article
Engineering, Environmental
Siti Baizurah Mahat, R. Omar, H. Che Man, A. I. Mohamad Idris, S. M. Mustapa Kamal, A. Idris, C. Shreeshivadasan, N. S. Jamali, L. C. Abdullah
Summary: The study demonstrates the feasibility of using low-cost dynamic membranes to treat food processing wastewater, with the anaerobic DM bioreactor showing stable performance at an OLR of 5.0 g COD/L day. Significant correlation between COD removal through acidogenesis and methanogenesis at different OLR levels indicates the beneficial impact on methanogenic archaea activity. The DM fouling was attributed to the release of soluble microbial products and extracellular polymeric substances, leading to improved filtration resistance.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Review
Sport Sciences
Jozo Grgic
Summary: This meta-analysis found that the use of CWI following resistance exercise sessions attenuates muscular strength gains in males. However, when CWI was applied to the whole body, there was no significant difference in muscular strength gains between CWI and control.
EUROPEAN JOURNAL OF SPORT SCIENCE
(2023)
Article
Food Science & Technology
J. Grgic
Summary: This meta-analysis explores the effects of low doses of caffeine (<3 mg/kg) on jumping performance and finds that it can enhance jump height. The effects are similar to higher caffeine doses and low doses of caffeine have minimal side effects.
NUTRITION & FOOD SCIENCE
(2023)
Review
Sport Sciences
Jozo Grgic
Summary: This paper conducted a review of studies on the reliability of the EUROFIT test battery. Six excellent quality studies were included in the review, and the findings suggest that the EUROFIT can be used as a reliable battery of tests to assess physical fitness. However, more research in different populations and exploration of variables that may impact reliability are needed.
SPORT SCIENCES FOR HEALTH
(2023)
Article
Cell Biology
Amanda J. Genders, Jujiao Kuang, Nicholas J. Saner, Javier Botella, David J. Bishop
Summary: Exercise training can increase mitochondrial content and respiration, but high-intensity exercise may be limited by mild acidosis. This study aimed to determine the effects of administering ammonium chloride before each exercise session on mitochondrial content and respiration in rats. The results showed that ammonium chloride administration reduced the exercise-induced increase in mitochondrial respiration in the soleus muscle but did not alter mitochondrial content. These effects were not observed in the white gastrocnemius muscle.
AMERICAN JOURNAL OF PHYSIOLOGY-CELL PHYSIOLOGY
(2023)
Article
Nutrition & Dietetics
Maryssa P. Pinto Dos Santos, Higor Spineli, Bruna P. Dos Santos, Adriano E. Lima-Silva, Daniel L. G. Gitai, David J. Bishop, Gustavo Gomes de Araujo
Summary: This study investigated the influence of different genotypes of ADORA2A and CYP1A2, alone or in combination, on the ergogenic effects of caffeine on physical performance in male adolescent athletes. The results showed that acute caffeine intake of 6 mg/kg improved aspects of physical performance independent of genotypes.
EUROPEAN JOURNAL OF NUTRITION
(2023)
Article
Sport Sciences
Knut T. T. Schneiker, Jackson J. J. Fyfe, Shaun Y. M. Teo, David J. J. Bishop
Summary: This study aimed to compare the effects of contrast training (CST) and progressive resistance training (PRT) on strength and power-related measures in subelite Australian Rules Football players. The results showed that both CST and PRT significantly improved strength and power performance, with CST having a greater effect on vertical jump height and PRT increasing body mass. The study suggests that contrast training is an effective alternative to progressive resistance training in young, male, team-sport athletes, particularly those with a lower power-to-strength ratio, during relatively short-term (6-8 weeks) training periods.
JOURNAL OF STRENGTH AND CONDITIONING RESEARCH
(2023)
Article
Physiology
Claire Thomas, Remi Delfour-Peyrethon, Karen Lambert, Cesare Granata, Thomas Hobbs, Christine Hanon, David J. J. Bishop
Summary: The purpose of this study was to evaluate the effect of pre-exercise alkalosis, induced via ingestion of sodium bicarbonate, on changes to lactate/pH regulatory proteins and mitochondrial function induced by a sprint-interval exercise session in humans. The results showed that ingestion of sodium bicarbonate increased blood bicarbonate and pH levels after exercise, and led to increases in lactate/pH regulatory proteins. Additionally, mitochondrial respiration was found to decrease after 24 hours of recovery in the sodium bicarbonate condition.
FRONTIERS IN PHYSIOLOGY
(2023)
Article
Public, Environmental & Occupational Health
Tena Matolic, Danijel Jurakic, Hrvoje Podnar, Ivan Radman, Zeljko Pedisic
Summary: The majority of sports organisations prioritize elite sports over the promotion of health-enhancing physical activity (HEPA), indicating a need for coordinated efforts to improve HEPA promotion through sports organisations at the European Union and national levels.
Article
Nutrition & Dietetics
Victor Segura-Jimenez, Zeljko Pedisic, Ales Gaba, Dorothea Dumuid, Timothy Olds, Nikola Stefelova, Karel Hron, Sonia Gomez-Martinez, Ascension Marcos, Jose Castro-Pinero
Summary: The aim of the study was to explore the associations between longitudinal reallocations of time between different movement behaviours and changes in inflammatory markers in children and adolescents. The results showed that reallocating time from sedentary behaviour to sleep was associated with increases in C3 levels, reallocating time from light physical activity to sleep was associated with increases in C3 levels, reallocating time from light physical activity to other time-use components was associated with increases in C4 levels, and any reallocation of time away from moderate-to-vigorous physical activity was associated with unfavourable changes in leptin levels.
INTERNATIONAL JOURNAL OF BEHAVIORAL NUTRITION AND PHYSICAL ACTIVITY
(2023)
Review
Neurosciences
Carlos Alix-Fages, Jozo Grgic, Pablo Jimenez-Martinez, Eneko Baz-Valle, Carlos Balsalobre-Fernandez
Summary: The aim of this systematic review and meta-analysis was to examine the impact of mental fatigue on upper and lower body strength endurance. The researchers searched for relevant studies in PubMed/MEDLINE and Web of Science databases, and included studies that compared the effects of a demanding cognitive task on strength endurance in dynamic resistance exercise. The pooled analysis of the included studies revealed that mental fatigue significantly decreased the number of performed repetitions in both upper and lower body exercises. The findings suggest that exposure to cognitive tasks inducing mental fatigue should be limited before strength endurance-based resistance exercise sessions.
Article
Medicine, General & Internal
James R. Broatch, Navabeh Zarekookandeh, Rebecca Glarin, Myrte Strik, Leigh A. Johnston, Bradford A. Moffat, Laura J. Bird, Kate Gunningham, Leonid Churilov, Hannah T. Johns, Christopher D. Askew, Itamar Levinger, Shane F. O'Riordan, David J. Bishop, Amy Brodtmann
Summary: This study aims to determine the effect of different doses of aerobic exercise training on markers of brain health in sedentary middle-aged adults, hypothesizing that high-intensity interval training (HIIT) will be more beneficial than moderate-intensity continuous training (MICT). The study will be conducted through a two-group parallel randomized trial, and the results will be disseminated through various channels.
Review
Public, Environmental & Occupational Health
Zeljko Pedisic, Melanija Strika, Tena Matolic, Maroje Soric, Sanja Salaj, Ivan Dujic, Marija Rakovac, Branko Radicevic, Hrvoje Podnar, Zrinka Greblo Jurakic, Marjan Jerkovic, Hrvoje Radasevic, Jelena Cvrljak, Tin Petracic, Sanja Music Milanovic, Maja Lang Morovic, Slaven Krtalic, Mirjana Milic, Alma Papic, Natasa Mom Cinovic, Marjeta Misigoj-Durakovic, Stjepan Heimer, Danijel Jurakic
Summary: The study aimed to summarize the recent evidence on physical activity (PA) of Croatian children and adolescents and associated factors. The findings showed a decline in PA participation among children and adolescents in Croatia, with a higher prevalence of insufficient PA among girls and excessive screen time among boys. The results also indicated areas for improvement in overall PA, organized sport and PA, active play, active transportation, sedentary behavior, physical fitness, family and peers, school, community and environment, and government. Coordinated actions and targeted interventions are needed to promote PA and develop national PA policies.
JOURNAL OF PHYSICAL ACTIVITY & HEALTH
(2023)
Review
Sport Sciences
Javier Botella, Christopher S. Shaw, David J. Bishop
Summary: This article examines the differences in autophagy gene expression profiles between human and mouse skeletal muscle and how they may explain the divergent exercise-induced autophagy responses. It also summarizes transcriptomic and phosphoproteomic datasets to identify potential targets for autophagy regulation following exercise in humans. Recommendations are provided for using ex vivo autophagy flux assays to further understand the impact of exercise on autophagy regulation in humans.
INTERNATIONAL JOURNAL OF SPORTS MEDICINE
(2023)
Article
Clinical Neurology
Nicholas J. Saner, Matthew J-C. Lee, Nathan W. Pitchford, James R. Broatch, Greg D. Roach, David J. Bishop, Jonathan D. Bartlett
Summary: Sleep loss negatively affects mood state and alertness, while exercise can have a positive impact on them. However, this study found that even though high-intensity interval exercise was performed during sleep restriction, it did not mitigate the negative effects on mood, well-being, and alertness. Further research is needed to determine if alternative exercise sessions or protocols can have more positive outcomes during sleep restriction.
JOURNAL OF SLEEP RESEARCH
(2023)
Article
Biochemistry & Molecular Biology
David J. Bishop, Nolan J. Hoffman, Dale F. Taylor, Nicholas J. Saner, Matthew J. -C. Lee, John A. Hawley
Summary: The ability of skeletal muscle to adapt to repeated contractile stimuli involves various molecular processes, including increased protein activity and/or expression. Recent studies challenge the common assumption of a direct relationship between changes in the skeletal muscle transcriptome and proteome induced by repeated muscle contractions (e.g., exercise).
TRENDS IN BIOCHEMICAL SCIENCES
(2023)