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https://www.readbyqxmd.com/read/28598770/review-of-the-ecotoxicological-effects-of-emerging-contaminants-on-soil-biota
#1
Ana R Gomes, Celine Justino, Teresa Rocha-Santos, Ana C Freitas, Armando C Duarte, Ruth Pereira
In recent years, emerging contaminants (e.g. pesticides and their metabolites, pharmaceuticals, personal and house care products, life-style compounds, food additives, industrial products and wastes, as well as nanomaterials) have become a problem to the environment. In fact, the cumulative use of a panoply of chemical substances in agriculture, industrial activities, in our homes and in health care services has led to their recent appearance in detectable levels in soils, surface, and groundwater resources, with unpredictable consequences for these ecosystems...
June 9, 2017: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/28587908/elevating-4-hydroxycoumarin-production-through-alleviating-thioesterase-mediated-salicoyl-coa-degradation
#2
Xiaolin Shen, Monika Mahajani, Jia Wang, Yaping Yang, Qipeng Yuan, Yajun Yan, Yuheng Lin
Acyl-CoAs are essential intermediates in the biosynthetic pathways of a number of industrially and pharmaceutically important molecules. When these pathways are reconstituted in a heterologous microbial host for metabolic engineering purposes, the acyl-CoAs may be subject to undesirable hydrolysis by the host's native thioesterases, resulting in a waste of cellular energy and decreased intermediate availability, thus impairing bioconversion efficiency. 4-hydroxycoumarin (4HC) is a direct synthetic precursor to the commonly used oral anticoagulants (e...
June 3, 2017: Metabolic Engineering
https://www.readbyqxmd.com/read/28586753/ozonation-as-a-pretreatment-process-for-nanofiltration-brines-monitoring-of-transformation-products-and-toxicity-evaluation
#3
Antonin Azaïs, Julie Mendret, Guillaume Cazals, Eddy Petit, Stephan Brosillon
Considerable interest has been given to using nanofiltration (NF) in lieu of reverse osmosis for water reclamation schemes due to lower energy consumption, higher flux rates while ensuring good micropollutants rejection. The application NF results in the generation of a large concentrated waste stream. Treatment of the concentrate is a major hurdle for the implementation of membrane technologies since the concentrate is usually unusable due to a large pollutants content. This work focuses on the application of ozonation as pretreatment of urban NF concentrates, the generation of transformation products and their relative toxicity...
May 30, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28583329/rtd-modeling-of-a-continuous-dry-granulation-process-for-process-control-and-materials-diversion
#4
Julia Kruisz, Jakob Rehrl, Stephan Sacher, Isabella Aigner, Martin Horn, Johannes G Khinast
Disturbance propagation during continuous manufacturing processes can be predicted by evaluating the residence time distribution (RTD) of the specific unit operations. In this work, a dry granulation process was modelled and four scenarios of feeding events were simulated. We performed characterization of the feeders and developed RTD models for the blender and the roller compactor based on impulse-response measurements via color tracers. Out-of-specification material was defined based on the active pharmaceutical ingredient (API) concentration...
June 3, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28571909/the-presence-of-contaminations-in-sewage-sludge-the-current-situation
#5
Krzysztof Fijalkowski, Agnieszka Rorat, Anna Grobelak, Malgorzata J Kacprzak
Sewage sludge/biosolids are by-wastes of municipal and industrial wastewater treatment. As sources of nutrients (C, N, P) they are widely used in intensive farming where large supplementation of organic matter to maintain fertility and enhance crop yields is needed. However, according to the report of European Commission published in 2010, only 39% of produced sewage sludge is recycled into agriculture in the European Union. This situation occurs mainly due to the fact, that the sewage sludge may contain a dangerous volume of different contaminants...
May 29, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28566667/dermatophyte-antigen-kit
#6
Yuichiro Tsunemi
The dermatophyte antigen kit uses monoclonal antibodies that react with polysaccharides present in the dermatophyte cell wall to detect dermatophyte antigens in specimens based on the principle of immunochromatography. Clinical studies showed that the kit was very useful in the diagnosis of tinea unguium but not tinea pedis. The kit was therefore further developed as an in vitro diagnostic tool for tinea unguium and was approved by the Pharmaceuticals and Medical Devices Agency of Japan. The kit's extraction solution can extract antigens from nail specimens quickly and efficiently...
2017: Medical Mycology Journal
https://www.readbyqxmd.com/read/28561814/the-sma-trust-the-role-of-a-disease-focused-research-charity-in-developing-treatments-for-sma
#7
REVIEW
V Christie-Brown, J Mitchell, K Talbot
SMA is a rare hereditary neuromuscular disease that causes weakness and muscle wasting as a result of the loss of spinal motor neurons. In its most severe form, SMA is the commonest genetic cause of death in infants, and children with less severe forms of SMA face the prospect of lifelong disability from progressive muscle wasting, loss of mobility and limb weakness. The initial discovery of the defective gene has been followed by major advances in our understanding of the genetic, cellular and molecular basis of SMA, providing the foundation for a range of approaches to treatment including gene therapy, antisense oligonucleotide treatments and more traditional drug-based approaches to slow or halt disease progression...
May 31, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28539105/removal-of-sulfamethoxazole-and-diclofenac-from-water-strategies-involving-o3-and-h2o2
#8
Daniela S Gomes, Licínio M Gando-Ferreira, Rosa M Quinta-Ferreira, Rui C Martins
Diclofenac (DCF) and Sulfamethoxazole (SMX) are two of the most frequently detected pharmaceutical compounds in water and are hardly removed by biological treatment systems. The presence of H2O2 was investigated in the ozonation of these two compounds. Experiments were carried out with both using distilled water and secondary effluent from a municipal wastewater treatment plant spiked with pharmaceuticals. Chemical oxygen demand (COD) abatement rate improved when H2O2 was added at the beginning of the ozonation process and when the ozone inlet concentration increased, attaining a maximum value of 91% and simultaneously a lower ozone waste for a H2O2 initial concentration of 5 mM and an ozone inlet concentration of 20 g Nm(-3)...
June 8, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28530330/-the-sherlock-system-clinical-and-logistic-pharmaceutical-services
#9
Roni Leibowitz, Shahar Aflalo, Ornit Cohen, Ahuva Lustig
BACKGROUND: The drug inventory in the hospital consumes a large part of the hospital's budget. Classic drug management is based on weekly visits of the pharmacist in the departments, writing an order and dispensing it. This method is wasteful in terms of sending a bulk of drugs that will not necessarily be utilized, and it is also inefficient in terms of human resources. The unit-dose method, which is more advanced, is based on filling out individual prescriptions for each of the inpatients in the department...
August 2016: Harefuah
https://www.readbyqxmd.com/read/28494286/slurry-photocatalytic-membrane-reactor-technology-for-removal-of-pharmaceutical-compounds-from-wastewater-towards-cytostatic-drug-elimination
#10
REVIEW
Raphael Janssens, Mrinal Kanti Mandal, Kashyap Kumar Dubey, Patricia Luis
The potential of photocatalytic membrane reactors (PMR) to degrade cytostatic drugs is presented in this work as an emerging technology for wastewater treatment. Cytostatic drugs are pharmaceutical compounds (PhCs) commonly used in cancer treatment. Such compounds and their metabolites, as well as their degraded by-products have genotoxic and mutagenic effects. A major challenge of cytostatic removal stands in the fact that most drugs are delivered to ambulant patients leading to diluted concentration in the municipal waste...
December 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28476307/isolation-of-organic-compounds-with-high-added-values-from-agro-industrial-solid-wastes
#11
Dimitris P Zagklis, Christakis A Paraskeva
Phenols are organic compounds with high antioxidant activity. Occurring mainly in plants, where they act as pigments or even as part of defense mechanisms against insects and herbivores. Given the positive impact on on human health, their isolation and purification from agricultural products is of particular interest for the production of nutritional, pharmaceutical and cosmetics supplements. In our study different materials rich in phenolic compounds were used, in order to separate the phenolic content and maximum condensation using physicochemical methods such as solvent extraction, filtration through membranes, adsorption/desorption on resins and vacuum distillation...
May 2, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28420596/the-behaviors-and-experiences-of-the-community-pharmacy-team-on-the-provision-of-multi-compartment-compliance-aids
#12
Derek Stewart, Craig McDonald, Joan MacLeod, Katie MacLure, Gwen Gray, Trudi McIntosh
BACKGROUND: Multi-compartment compliance aids (MCAs) are repackaging systems for solid dosage form medicines. Acknowledging the lack of evidence that MCAs improve adherence or clinical outcomes, the Royal Pharmaceutical Society has expressed concern that MCAs have 'become regarded as a panacea for medicines use'. OBJECTIVES: To determine the behaviors and experiences of the community pharmacy team around MCA provision. METHODS: A cross-sectional survey was conducted in 26 community pharmacies in the north east of Scotland...
April 9, 2017: Research in Social & Administrative Pharmacy: RSAP
https://www.readbyqxmd.com/read/28403748/an-effective-method-of-atelocollagen-type-1-3-isolation-from-human-placenta-and-its-in-vitro-characterization-in-two-dimesional-and-three-dimensional-cell-culture-applications
#13
Johannes Hackethal, Severin Mühleder, Alexandra Hofer, Karl Heinrich Schneider, Johanna Prüller, Simone Hennerbichler, Heinz Redl, Andreas Teuschl
Pepsin-solubilized atelocollagen can be used to form highly complex three-dimensional matrices for a broad spectrum of tissue engineering applications. Moreover, it has a long history as a favorable biomaterial in pharmaceutical and medical industries. So far, the main sources for these approaches are collagens from xenogenic sources. Yet, these nonhuman collagens carry a risk of provoking immune reactions in patients. Here we describe an effective method of isolating atelocollagen type 1/3 (COL1/3) from human placenta...
May 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28399848/distinctive-molecular-and-biochemical-characteristics-of-a-glycoside-hydrolase-family-20-%C3%AE-n-acetylglucosaminidase-and-salt-tolerance
#14
Junpei Zhou, Zhifeng Song, Rui Zhang, Rui Liu, Qian Wu, Junjun Li, Xianghua Tang, Bo Xu, Junmei Ding, Nanyu Han, Zunxi Huang
BACKGROUND: Enzymatic degradation of chitin has attracted substantial attention because chitin is an abundant renewable natural resource, second only to lignocellulose, and because of the promising applications of N-acetylglucosamine in the bioethanol, food and pharmaceutical industries. However, the low activity and poor tolerance to salts and N-acetylglucosamine of most reported β-N-acetylglucosaminidases limit their applications. Mining for novel enzymes from new microorganisms is one way to address this problem...
April 11, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/28393216/cancer-induced-cardiac-cachexia-pathogenesis-and-impact-of-physical-activity-review
#15
REVIEW
Yassine Belloum, Françoise Rannou-Bekono, François B Favier
Cachexia is a wasting syndrome observed in many patients suffering from several chronic diseases including cancer. In addition to the progressive loss of skeletal muscle mass, cancer cachexia results in cardiac function impairment. During the severe stage of the disease, patients as well as animals bearing cancer cells display cardiac atrophy. Cardiac energy metabolism is also impeded with disruption of mitochondrial homeostasis and reduced oxidative capacity, although the available data remain equivocal. The release of inflammatory cytokines by tumor is a key mechanism in the initiation of heart failure...
May 2017: Oncology Reports
https://www.readbyqxmd.com/read/28390750/implementing-ecopharmacovigilance-epv-from-a-pharmacy-perspective-a-focus-on-non-steroidal-anti-inflammatory-drugs
#16
REVIEW
Jun Wang, Bingshu He, Dan Yan, Xiamin Hu
Environmental experts have made great efforts to control pharmaceutical pollution. However, the control of emerged environmental problems caused by medicines should draw more attention of pharmacy and pharmacovigilance researchers. Ecopharmacovigilance (EPV) as a kind of pharmacovigilance for the environment is recognized worldwide as crucial to minimize the environmental risk of pharmaceutical pollutants. But continuing to treat the pollution of pharmaceuticals as a group of substances instead of targeting individual pharmaceuticals on a prioritized basis will lead to a significant waste of resources...
April 5, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28387154/production-of-polyhydroxyalkanoates-pha-using-sludge-from-different-wastewater-treatment-processes-and-the-potential-for-medical-and-pharmaceutical-applications
#17
Wai Lam, Yujie Wang, Pui Ling Chan, Shun Wan Chan, Yiu Fai Tsang, Hong Chua, Peter Hoi Fu Yu
In this study, seven strains of bacteria with polyhydroxyalkanoates (PHA)-producing ability (i.e. Bacillus cereus, Pseudomonas putida, Bacillus pumilus, Pseudomona huttiensis, Yersinia frederiksenii, Aeromonas ichthiosmia, and Sphingopyxis terrae) were isolated from various waste treatment plants in Hong Kong. Simultaneous wastewater treatment and PHA accumulation were successfully achieved in the bioreactors using isolated bacteria from different sludges. At the organic loading less than 13,000 ppm, more than 95% of chemical oxygen demand (COD) was removed by the isolated strains before the decrease of PHA accumulation...
April 20, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28371770/occurrence-of-antibiotic-resistance-genes-and-mobile-genetic-elements-in-enterococci-and-genomic-dna-during-anaerobic-digestion-of-pharmaceutical-waste-sludge-with-different-pretreatments
#18
Juan Tong, XueTing Lu, JunYa Zhang, Qianwen Sui, Rui Wang, Meixue Chen, Yuansong Wei
Pharmaceutical waste sludge harbors large amounts of antibiotic resistance genes (ARGs) and mobile genetic elements (MGEs), and it is necessary to study the reduction of ARGs and MGEs during sludge treatment. Therefore, the antibiotic resistance phenotypes and genotypes of enterococci, and the ARGs and MGEs in genomic DNA were investigated during anaerobic digestion (AD) with microwave (MW), thermal hydrolysis (TH) and ozone pretreatment. Results showed that sludge pretreatment increased the occurrence of the resistance phenotypes and genotypes of enterococci...
July 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28333214/-forever-young-%C3%A2-testosterone-replacement-therapy-a-blockbuster-drug-despite-flabby-evidence-and-broken-promises
#19
Andrea Busnelli, Edgardo Somigliana, Paolo Vercellini
In the last decade, testosterone replacement therapy (TRT) has been increasingly prescribed to treat a controversial condition known as 'late-onset hypogonadism (LOH)'. This syndrome is diagnosed in men who, for no discernible reason other than older age, obesity or ill health have serum testosterone concentrations below the normal range for healthy young men and report one or more of the following symptoms: muscle weakness or wasting, mood, behaviour and cognition-related symptoms and sexual function or libido impairment...
April 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28330246/microbial-enzymes-industrial-progress-in-21st-century
#20
REVIEW
Rajendra Singh, Manoj Kumar, Anshumali Mittal, Praveen Kumar Mehta
Biocatalytic potential of microorganisms have been employed for centuries to produce bread, wine, vinegar and other common products without understanding the biochemical basis of their ingredients. Microbial enzymes have gained interest for their widespread uses in industries and medicine owing to their stability, catalytic activity, and ease of production and optimization than plant and animal enzymes. The use of enzymes in various industries (e.g., food, agriculture, chemicals, and pharmaceuticals) is increasing rapidly due to reduced processing time, low energy input, cost effectiveness, nontoxic and eco-friendly characteristics...
December 2016: 3 Biotech
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