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https://www.readbyqxmd.com/read/28333214/-forever-young-%C3%A2-testosterone-replacement-therapy-a-blockbuster-drug-despite-flabby-evidence-and-broken-promises
#1
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...
February 23, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28330246/microbial-enzymes-industrial-progress-in-21st-century
#2
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
https://www.readbyqxmd.com/read/28328933/water-borne-pharmaceuticals-reduce-phenotypic-diversity-and-response-capacity-of-natural-phytoplankton-communities
#3
Francesco Pomati, Jukka Jokela, Sara Castiglioni, Mridul K Thomas, Luca Nizzetto
Chemical micropollutants occur worldwide in the environment at low concentrations and in complex mixtures, and how they affect the ecology of natural systems is still uncertain. Dynamics of natural communities are driven by the interaction between individual organisms and their growth environment, which is mediated by the organisms' expressed phenotypic traits. We tested whether exposure to a mixture of 12 pharmaceuticals and personal care products (PPCP) influences phenotypic trait diversity in lake phytoplankton communities and their ability to regulate biomass production to fit environmental changes (response capacity)...
2017: PloS One
https://www.readbyqxmd.com/read/28325591/global-scanning-of-antihistamines-in-the-environment-analysis-of-occurrence-and-hazards-in-aquatic-systems
#4
Lauren A Kristofco, Bryan W Brooks
Concentration of the global population is increasingly occurring in megacities and other developing regions, where access to medicines is increasing more rapidly than waste management systems are implemented. Because freshwater and coastal systems are influenced by wastewater effluent discharges of differential quality, exposures in aquatic systems must be considered. Here, we performed a global scanning assessment of antihistamines (AHs), a common class of medicines, in surface waters and effluents. Antihistamines were identified, literature occurrence and ecotoxicology data on AHs collated, therapeutic hazard values (THVs) calculated, and environmental exposure distributions (EEDs) of AHs compared to ecotoxicity thresholds and drug specific THVs to estimate hazards in surface waters and effluents...
March 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28314666/microbial-oil-a-plausible-alternate-resource-for-food-and-fuel-application
#5
REVIEW
B Bharathiraja, Sridevi Sridharan, V Sowmya, D Yuvaraj, R Praveenkumar
Microbes have recourse to low-priced substrates like agricultural wastes and industrial efflux. A pragmatic approach towards an emerging field- the exploitation of microbial oils for biodiesel production, pharmaceutical and cosmetic applications, food additives, biopolymer production will be of immense remunerative significance in the near future. Due to high free fatty acid, nutritive content and simpler solvent extraction processes of microbial oils with plant oil, microbial oils can back plant oils in food applications...
March 6, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28297682/degradation-of-organic-pollutants-by-bio-inspired-rectangular-and-hexagonal-titanium-dioxide-nanostructures
#6
T V M Sreekanth, Jae-Jin Shim, Yong Rok Lee
Dyes are used in textile, printing, leather, pharmaceutical, food and cosmetic industries. Dyes add color and pattern to materials. The presence of even very low concentration of dyes/dyes degradation products in effluent is highly toxic to humans and aquatic organisms. It is important to remove these dye degradation pollutants from the industrial effluents before their disposal. In recent years nanoparticles have been used for the removal of dyes from industrial waste water. Titanium dioxide nanostructures (TiO2 NS) were synthesized via a one-step facile green process...
March 9, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28284869/minimizing-e-factor-in-the-continuous-flow-synthesis-of-diazepam-and-atropine
#7
Anne-Catherine Bédard, Ashley R Longstreet, Joshua Britton, Yuran Wang, Hideki Moriguchi, Robert W Hicklin, William H Green, Timothy F Jamison
Minimizing the waste stream associated with the synthesis of active pharmaceutical ingredients (APIs) and commodity chemicals is of high interest within the chemical industry from an economic and environmental perspective. In exploring solutions to this area, we herein report a highly optimized and environmentally conscious continuous-flow synthesis of two APIs identified as essential medicines by the World Health Organization, namely diazepam and atropine. Notably, these approaches significantly reduced the E-factor of previously published routes through the combination of continuous-flow chemistry techniques, computational calculations and solvent minimization...
February 4, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28284641/photochemical-transformation-and-wastewater-fate-and-occurrence-of-omeprazole-hrms-for-elucidation-of-transformation-products-and-target-and-suspect-screening-analysis-in-wastewaters
#8
Christina I Kosma, Dimitra A Lambropoulou, Triantafyllos A Albanis
Omeprazole is one of the world-wide most frequently prescribed and administered pharmaceuticals in humans for the relief of gastro-intestinal disorders. Despite its high worldwide consumption, omeprazole is rarely detected in urban wastewaters and environmental waters. On the other hand, its human urinary metabolites and transformation products formed through abiotic processes in the environment have been recently documented. Despite these available data, however, there is still a lack of information on the extent of environmental fate and occurrence, on elimination mechanisms and efficiencies in waste water treatment plants...
March 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28281107/cannabis-for-pain-and-headaches-primer
#9
REVIEW
Philip S Kim, Michael A Fishman
PURPOSE OF REVIEW: Marijuana has been used both medicinally and recreationally since ancient times and interest in its compounds for pain relief has increased in recent years. The identification of our own intrinsic, endocannabinoid system has laid the foundation for further research. RECENT FINDINGS: Synthetic cannabinoids are being developed and synthesized from the marijuana plant such as dronabinol and nabilone. The US Food and Drug Administration approved the use of dronabinol and nabilone for chemotherapy-associated nausea and vomiting and HIV (Human Immunodeficiency Virus) wasting...
April 2017: Current Pain and Headache Reports
https://www.readbyqxmd.com/read/28265723/cyanide-bioremediation-the-potential-of-engineered-nitrilases
#10
REVIEW
Jason M Park, B Trevor Sewell, Michael J Benedik
The cyanide-degrading nitrilases are of notable interest for their potential to remediate cyanide contaminated waste streams, especially as generated in the gold mining, pharmaceutical, and electroplating industries. This review provides a brief overview of cyanide remediation in general but with a particular focus on the cyanide-degrading nitrilases. These are of special interest as the hydrolysis reaction does not require secondary substrates or cofactors, making these enzymes particularly good candidates for industrial remediation processes...
March 6, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28261814/ceo2-bi2-wo6-heterostructured-microsphere-with-excellent-visible-light-driven-photocatalytic-performance-for-degradation-of-tetracycline-hydrochloride
#11
Fengjun Zhang, Shuang Zou, Tianye Wang, Yuxi Shi, Peng Liu
CeO2 /Bi2 WO6 heterostructured microsphere with excellent and stable photocatalytic activity for degradation tetracyclines were successfully synthesized via a facile solvothermal route. The photocatalytic experiments indicated that CeO2 /Bi2 WO6 heterostructured microspheres exhibited enhanced photocatalytic activity compared to pure Bi2 WO6 in both the degradation of Tetracycline hydrochloride (TCH) and Rhodamine B (RhB) under visible-light irradiation. The 1CeO2 /2Bi2 WO6 exhibited the best photocatalytic activity for degradation of TCH, reaching 91% after 60min reaction...
March 6, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/28261161/antibacterial-activity-and-synergistic-antibacterial-potential-of-biosynthesized-silver-nanoparticles-against-foodborne-pathogenic-bacteria-along-with-its-anticandidal-and-antioxidant-effects
#12
Jayanta Kumar Patra, Kwang-Hyun Baek
Silver nanoparticles plays a vital role in the development of new antimicrobial substances against a number of pathogenic microorganisms. These nanoparticles due to their smaller size could be very effective as they can improve the antibacterial activity through lysis of bacterial cell wall. Green synthesis of metal nanoparticles using various plants and plant products has recently been successfully accomplished. However, few studies have investigated the use of industrial waste materials in nanoparticle synthesis...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28222352/status-of-pharmaceuticals-in-african-water-bodies-occurrence-removal-and-analytical-methods
#13
REVIEW
Lawrence Mzukisi Madikizela, Nikita Tawanda Tavengwa, Luke Chimuka
In this review paper, the milestones and challenges that have been achieved and experienced by African Environmental Scientists regarding the assessment of water pollution caused by the presence of pharmaceutical compounds in water bodies are highlighted. The identification and quantification of pharmaceuticals in the African water bodies is important to the general public at large due to the lack of information. The consumption of pharmaceuticals to promote human health is usually followed by excretion of these drugs via urine or fecal matter due to their slight transformation in the human metabolism...
May 15, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28214720/treatment-efficiency-and-economic-feasibility-of-biological-oxidation-membrane-filtration-and-separation-processes-and-advanced-oxidation-for-the-purification-and-valorization-of-olive-mill-wastewater
#14
L Ioannou-Ttofa, I Michael-Kordatou, S C Fattas, A Eusebio, B Ribeiro, M Rusan, A R B Amer, S Zuraiqi, M Waismand, C Linder, Z Wiesman, J Gilron, D Fatta-Kassinos
Olive mill wastewater (OMW) is a major waste stream resulting from numerous operations that occur during the production stages of olive oil. The resulting effluent contains various organic and inorganic contaminants and its environmental impact can be notable. The present work aims at investigating the efficiency of (i) jet-loop reactor with ultrafiltration (UF) membrane system (Jacto.MBR), (ii) solar photo-Fenton oxidation after coagulation/flocculation pre-treatment and (iii) integrated membrane filtration processes (i...
February 12, 2017: Water Research
https://www.readbyqxmd.com/read/28210864/pharmacy-benefit-management-companies-do-they-create-value-in-the-us-healthcare-system
#15
Alan Lyles
Pharmacy benefit management companies (PBMs) perform functions in the US market-based healthcare system that may be performed by public agencies or quasi-public institutions in other nations. By aggregating lives covered under their many individual contracts with payers, PBMs have formidable negotiating power. They influence pharmaceutical insurance coverage, design the terms of coverage in a plan's drug benefit, and create competition among providers for inclusion in a plan's network. PBMs have, through intermediation, the potential to secure lower drug prices and to improve rational prescribing...
February 16, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/28206879/development-and-validation-of-a-green-analytical-method-for-the-determination-of-norfloxacin-in-raw-material-by-ftir-spectrophotometry
#16
Jéssica Sayuri Hisano Natori, Eliane Gandolpho Tótoli, Hérida Regina Nunes Salgado
Norfloxacin is a broad-spectrum antimicrobial agent, widely used in humans and animals for the treatment of urinary tract infections. It is a second-generation fluoroquinolone. Several analytical methods to analyze norfloxacin have been described in the literature. However, most of them are complex and require the use of large amounts of organic solvents. This paper describes the development and validation of a green analytical method for the determination of norfloxacin in raw material by FTIR spectrophotometry...
November 1, 2016: Journal of AOAC International
https://www.readbyqxmd.com/read/28198956/evaluating-pharmaceutical-waste-disposal-in-pediatric-units
#17
Maria Angélica Randoli de Almeida, Ana Maria Miranda Martins Wilson, Maria Angélica Sorgini Peterlini
OBJECTIVE: To verify the disposal of pharmaceutical waste performed in pediatric units. METHOD: A descriptive and observational study conducted in a university hospital. The convenience sample consisted of pharmaceuticals discarded during the study period. Handling and disposal during preparation and administration were observed. Data collection took place at pre-established times and was performed using a pre-validated instrument. RESULTS: 356 drugs disposals were identified (35...
November 2016: Revista da Escola de Enfermagem da U S P
https://www.readbyqxmd.com/read/28179742/impact-of-sterile-compounding-batch-frequency-on-pharmaceutical-waste
#18
Ghalib Abbasi, Evan Gay
Purpose: To measure the impact of increasing sterile compounding batch frequency on pharmaceutical waste as it relates to cost and quantity. Methods: Pharmaceutical IV waste at a tertiary care hospital was observed and recorded for 7 days. The batching frequency of compounded sterile products (CSPs) was then increased from twice daily to 4 times daily. After a washout period, pharmaceutical IV waste was then recorded for another 7 days. The quantity of units wasted and the cost were compared between both phases to determine the impact that batching frequency has on IV waste, specifically among high- and low-cost drugs...
January 2017: Hospital Pharmacy
https://www.readbyqxmd.com/read/28159251/fish-viscera-protein-hydrolysates-production-potential-applications-and-functional-and-bioactive-properties
#19
REVIEW
Oscar Villamil, Henry Váquiro, José F Solanilla
The aquaculture and fishery chain is an important part of the economy of many countries around the world; in recent years it has experienced significant growth that generates more and more quantities of waste, which are mostly discarded, impacting the environment, despite having a useful chemical composition in various industrial sectors. This article presents a review of the agroindustrial potential of fish wastes, especially viscera, as a source for obtaining native protein and hydrolysates, explaining their production process, chemical composition and functional and bioactive properties that are important to the agricultural, cosmetic, pharmaceutical, food and nutraceutical industry...
June 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28137573/rapid-proteomics-to-prospect-and-validate-novel-bacterial-metabolism-induced-by-environmental-burden
#20
C L Yu, S Brooks, Y Li, M Subramanian, R Summers, M Pope
Understanding the pathophysiology of genes and enzymes involved in caffeine metabolism can have extracurricular benefits, such as providing distinct methylxanthines as intermediates for pharmaceutical synthesis, and also improve environmental waste remediation. The strains Pseudomonas putida CBB5 and CES may provide insights into these applications because they may both be induced to degrade caffeine, yet the latter thrives in concentrations >8.0gL(-1); threefold higher than any other bacteria. We took a novel approach toward identifying the enzymatic pathways in both Pseudomonas sp...
2017: Methods in Enzymology
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