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Pharmaceutical microbiology

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https://www.readbyqxmd.com/read/29319521/polish-physicians-attitudes-towards-antibiotic-prescription-and-antimicrobial-resistance
#1
Beata Mazińska, Waleria Hryniewicz
Antimicrobial resistance has been one of the biggest global current issues in medicine and public health. Overuse and imprudent use of antimicrobial agents are recognized as one of the leading causes of antibiotic resistance. The aim of this study was to analyze the attitudes of Polish physicians practicing at the community level towards antibiotics and antimicrobial resistance. The majority of physicians taking part in the survey believed that Polish people overuse antibiotics (98%). Most physicians (91%) considered that antimicrobial resistance is a major problem at present...
September 27, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/29241318/polyphenolic-content-antiradical-activity-stability-and-microbiological-quality-of-elderberry-sambucus-nigra-l-extracts
#2
Barbara Pliszka
BACKGROUND: The pharmaceutical and food industries expect detailed knowledge on the physicochemical properties of elderberry fruit extracts, their stability and microbiological quality, as well as the polyphenol content in elderberry cultivars. The characteristics of the extracts might be additionally modified by citric acid, which improves the stability of anthocyanins and protects processed fruits and syrups from pathogenic microorganisms. The choice of the method with citric acid was a consequence of the physicochemical charac teristics of elderberry pigments, which are not stable under the effect of light in alcoholic solutions...
October 2017: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/29194378/chitosan-nanoparticles-as-a-mucoadhesive-drug-delivery-system-for-ocular-administration
#3
Mariana M Silva, Raquel Calado, Joana Marto, Ana Bettencourt, António J Almeida, Lídia M D Gonçalves
Pharmaceutical approaches based on nanotechnologies and the development of eye drops composed of the mucoadhesive polymers chitosan and hyaluronic acid are emerging strategies for the efficient treatment of ocular diseases. These innovative nanoparticulate systems aim to increase drugs' bioavailability at the ocular surface. For the successful development of these systems, the evaluation of mucoahesiveness (the interaction between the ocular delivery system and mucins present on the eye) is of utmost importance...
December 1, 2017: Marine Drugs
https://www.readbyqxmd.com/read/29192424/interventions-for-old-world-cutaneous-leishmaniasis
#4
REVIEW
Julio Heras-Mosteiro, Begoña Monge-Maillo, Mariona Pinart, Patricia Lopez Pereira, Ludovic Reveiz, Emely Garcia-Carrasco, Pedro Campuzano Cuadrado, Ana Royuela, Irene Mendez Roman, Rogelio López-Vélez
BACKGROUND: Cutaneous leishmaniasis, caused by a parasitic infection, is considered one of the most serious skin diseases in many low- and middle-income countries. Old World cutaneous leishmaniasis (OWCL) is caused by species found in Africa, Asia, the Middle East, the Mediterranean, and India. The most commonly prescribed treatments are antimonials, but other drugs have been used with varying success. As OWCL tends to heal spontaneously, it is necessary to justify the use of systemic and topical treatments...
December 1, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29149474/interventions-for-old-world-cutaneous-leishmaniasis
#5
REVIEW
Julio Heras-Mosteiro, Begoña Monge-Maillo, Mariona Pinart, Patricia Lopez Pereira, Ludovic Reveiz, Emely Garcia-Carrasco, Pedro Campuzano Cuadrado, Ana Royuela, Irene Mendez Roman, Rogelio López-Vélez
BACKGROUND: Cutaneous leishmaniasis, caused by a parasitic infection, is considered one of the most serious skin diseases in many low- and middle-income countries. Old World cutaneous leishmaniasis (OWCL) is caused by species found in Africa, Asia, the Middle East, the Mediterranean, and India. The most commonly prescribed treatments are antimonials, but other drugs have been used with varying success. As OWCL tends to heal spontaneously, it is necessary to justify the use of systemic and topical treatments...
November 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29071221/evaluating-adherence-of-health-care-team-to-standard-guideline-of-colistin-use-at-intensive-care-units-of-a-referral-hospital-in-shiraz-southwest-of-iran
#6
Afsaneh Vazin, Iman Karimzadeh, Atiyeh Zand, Nazafarin Hatami-Mazinani, Dena Firouzabadi
Purpose: To evaluate colistin use according to global standard drug consumption in intensive care units of a referral hospital in Shiraz, Iran Methods: A prospective, interventional study was performed during an 11 month period on 100 patients admitted to ICUs of a teaching hospital being treated with colistin for at least 3 subsequent doses. Required demographic, clinical, and paraclinical data were gathered by a pharmacist. Fifteen indexes were considered to evaluate colistin use. A clinical pharmacist reviewed indication and dose of colistin at the time of prescribing this agent...
September 2017: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29052751/-prevention-of-infections-due-to-musculoskeletal-allografts
#7
REVIEW
A Pruß
Transplantation of musculoskeletal tissues is widely used in the treatment of extensive defects of the musculoskeletal system, especially in orthopedics for exchange of prostheses, surgical interventions on the spine and in traumatology for reconstruction after extensive tumor resections. A danger after transplantation is the potential transmission of clinically relevant pathogens. Tissue banks have therefore established a safety level approach for musculoskeletal tissue transplants, which includes donor selection, laboratory testing, tissue procurement, tissue processing, tissue storage and quality assurance...
November 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/29046493/sp-current-global-standards-for-chemical-protective-clothing-how-to-choose-the-right-protection-for-the-right-job
#8
Eric VAN Wely
The first standards for chemical protective clothing (CPC) emerged mid to late 1980's and have evolved since as most standards are revisited every 5 years. Over the past years, we have also seen a strengthening of the chemical and worker protection legislation around the globe (various forms of REACH) but also protection of workers. The most prevalent standards originate under the auspices of the International Standards Organisation (ISO), European Committee for Standardisation (CEN) or under various US standards organisations (e...
October 17, 2017: Industrial Health
https://www.readbyqxmd.com/read/29032653/bacterial-hormone-sensitive-lipases-bhsls-emerging-enzymes-for-biotechnological-applications
#9
REVIEW
T Doohun Kim
Lipases are important enzymes with biotechnological applications in dairy, detergent, food, fine chemicals, and pharmaceutical industries. Specifically, hormone-sensitive lipase (HSL) is an intracellular lipase that can be stimulated by several hormones, such as catecholamine, glucagon, and adrenocorticotropic hormone. Bacterial hormone-sensitive lipases (bHSLs), which are homologous to the C-terminal domain of HSL, have α/β-hydrolase fold with a catalytic triad composed of His, Asp, and Ser. These bHSLs could be used for a wide variety of industrial applications because of their high activity, broad substrate specificity, and remarkable stability...
November 28, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29032643/effects-of-extended-storage-of-chlorhexidine-gluconate-and-benzalkonium-chloride-solutions-on-the-viability-of-burkholderia-cenocepacia
#10
Youngbeom Ahn, Jeong Myeong Kim, Yong-Jin Lee, John J LiPuma, David Hussong, Bernard S Marasa, Carl E Cerniglia
Chlorhexidine gluconate (CHX) and benzalkonium chloride (BZK) formulations are frequently used as antiseptics in healthcare and consumer products. Burkholderia cepacia complex (BCC) contamination of pharmaceutical products could be due to the use of contaminated water in the manufacturing process, over-diluted antiseptic solutions in the product, and the use of outdated products, which in turn, reduces the antimicrobial activity of CHX and BZK. To establish a "safe use" period following opening containers of CHX and BZK, we measured the antimicrobial effects of CHX (2 ~ 10 µg/ml) and BZK (10 ~ 50 µg/ml) at sub-lethal concentrations on six strains of Burkholderia cenocepacia using chemical and microbiological assays...
October 14, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29030528/real-time-pcr-detection-of-burkholderia-cepacia-in-pharmaceutical-products-contaminated-with-low-levels-of-bacterial-contamination
#11
Luis Jimenez, Theranda Jashari, Jenifer Vasquez, Stephanie Zapata, Joy Bochis, Margarita Kulko, Victoria Ellman, Matthew Gardner, Tina Choe
A Real-Time (RT) PCR assay was developed to detect Burkholderia cepacia in pharmaceutical products contaminated with low levels of bacterial contamination. Different pharmaceutical suspensions were artificially contaminated with B. cepacia, Escherichia coli, Staphylococcus aureus, and Bacillus megaterium. After a 24-hour incubation in TSB with Tween 20, samples were streaked on mannitol salt, phenyl ethyl alcohol, eosin methylene blue, MacConkey, and pseudomonas isolation agar. Microbial DNA was extracted from each sample by using a Tris-EDTA, proteinase K, Tween 20 buffer...
October 12, 2017: PDA Journal of Pharmaceutical Science and Technology
https://www.readbyqxmd.com/read/28969572/quinoline-fluorescent-probes-for-zinc-from-diagnostic-to-therapeutic-molecules-in-treating-neurodegenerative-diseases
#12
Barbara Czaplińsk, Ewelina Spaczyńska, Robert Musioł
Background Fluorescent compounds had gained strong attention due to their wide and appealing applications. Microscopic techniques and visualization are good examples among others. Introduction of fluorescent dyes into microbiology opens the possibility to observe tissues, organisms or organelle with exceptional sensitivity and resolution. Probes for detection of biologically relevant metals as zinc, iron or copper seems to be particularly important for drug design and pharmaceutical sciences. Objective Quinoline derivatives are well known for their good metal affinity and wide spectrum of biological activity...
October 2, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28947528/stability-of-extemporaneously-prepared-rosuvastatin-oral-suspension
#13
Abdel Naser Zaid, Rania Shtayah, Ayman Qadumi, Mashour Ghanem, Rawan Qedan, Marah Daibes, Somud Abu Awwad, Nidal Jaradat, Naim Kittana
PURPOSE: The stability of an extemporaneously prepared rosuvastatin suspension stored over 30 days under various storage conditions was evaluated. METHODS: Rosuvastatin suspension was extemporaneously prepared using commercial rosuvastatin tablets as the source of active pharmaceutical ingredient. The organoleptic properties, dissolution profile, and stability of the formulation were investigated. For the stability studies, samples of the suspension were stored under 2 storage conditions, room temperature (25 °C and 60% relative humidity) and accelerated stability chambers (40 °C and 75% relative humidity)...
October 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28933031/screening-isolation-and-molecular-identification-of-biodegrading-mycobacteria-from-iranian-ecosystems-and-analysis-of-their-biodegradation-activity
#14
Davood Azadi, Hasan Shojaei, Sina Mobasherizadeh, Abass Daei Naser
Anthropogenic origin pollutants including pesticides, heavy metals, pharmaceuticals and industry chemicals impose many risks to human health and environment and bioremediation has been considered the strategy of choice to reduce the risk of hazardous chemicals. In the current study, we aimed to screen and characterize mycobacteria from the diverse range of Iranian aquatic and terrestrial ecosystems with harsh and unfavorable environmental conditions that can be utilized for biodegradation of target pollutants...
September 20, 2017: AMB Express
https://www.readbyqxmd.com/read/28923406/negative-environmental-impacts-of-antibiotic-contaminated-effluents-from-pharmaceutical-industries
#15
Ana Bielen, Ana Šimatović, Josipa Kosić-Vukšić, Ivan Senta, Marijan Ahel, Sanja Babić, Tamara Jurina, Juan José González Plaza, Milena Milaković, Nikolina Udiković-Kolić
Effluents from pharmaceutical industries are recognized as significant contributors to aquatic pollution with antibiotics. Although such pollution has been mostly reported in Asia, knowledge on industrial discharges in other regions of the world, including Europe, and on the effects associated with such exposures is still limited. Thus, we performed chemical, microbiological and ecotoxicological analyses of effluents from two Croatian pharmaceutical industries during four seasons. In treated effluents of the company synthesizing macrolide antibiotic azithromycin (AZI), the total concentration of AZI and two macrolide by-products from its synthesis was 1-3 orders of magnitude higher in winter and springtime (up to 10...
December 1, 2017: Water Research
https://www.readbyqxmd.com/read/28893690/new-agents-for-the-treatment-of-infections-with-gram-negative-bacteria-restoring-the-miracle-or-false-dawn
#16
REVIEW
H Wright, R A Bonomo, D L Paterson
BACKGROUND: Antibiotic resistance in Gram-negative resistance has developed without a commensurate response in the successful development of antibiotic agents, though recent progress has been made. AIMS: This review aims to provide a summary of the existing evidence on efficacy, spectrum of activity and the development of resistance of new agents that have been licensed or have completed advanced clinical trials and that possess activity against resistant Gram-negative organisms...
October 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28811824/preparation-of-galla-chinensis-oral-solution-as-well-as-its-stability-safety-and-antidiarrheal-activity-evaluation
#17
Yi Yang, Huihui Luo, Xu Song, Li Yu, Juan Xie, Jiajie Yang, Renyong Jia, Juchun Lin, Yuanfeng Zou, Lixia Li, Lizi Yin, Changliang He, Xiaoxia Liang, Guizhou Yue, Zhongqiong Yin
BACKGROUND OF THE STUDY: As a widely used traditional medicine, Galla Chinensis is rich in tannins. However, there are few detailed studies about pharmaceutical preparations of Galla Chinensis tannin extract (GTE). In the present experiments, for better application and to investigate the possibility that Galla Chinensis tannin extract can be used as an antidiarrheal drug, we prepared Galla Chinensis oral solution (GOS). MATERIALS AND METHODS: GOS was prepared with GTE, and its physicochemical and microbiological stability was evaluated...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28710617/steroid-bioconversions
#18
Marina V Donova
Steroid modifications by selected wild-type and engineered strains of microorganisms became an effective tool for the production of high-valued steroidal drugs and their precursors for the pharmaceutical industry. Some microorganisms are effective at the performance of sterol side-chain degradation, oxyfunctionalization of steroid core, and redox reactions at different positions of the steroid molecule. A number of bioprocesses using steroid-transforming microbial strains are well established on an industrial level...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28708268/screening-protocols-to-monitor-respiratory-status-in-primary-immunodeficiency-disease-findings-from-a-european-survey-and-subclinical-infection-working-group
#19
S Jolles, S Sánchez-Ramón, I Quinti, P Soler-Palacín, C Agostini, B Florkin, L-J Couderc, N Brodszki, A Jones, H Longhurst, K Warnatz, F Haerynck, A Matucci, E de Vries
Many patients with primary immunodeficiency (PID) who have antibody deficiency develop progressive lung disease due to underlying subclinical infection and inflammation. To understand how these patients are monitored we conducted a retrospective survey based on patient records of 13 PID centres across Europe, regarding the care of 1061 adult and 178 paediatric patients with PID on immunoglobulin (Ig) G replacement. The most common diagnosis was common variable immunodeficiency in adults (75%) and hypogammaglobulinaemia in children (39%)...
November 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28672875/light-assisted-advanced-oxidation-processes-for-the-elimination-of-chemical-and-microbiological-pollution-of-wastewaters-in-developed-and-developing-countries
#20
REVIEW
Stefanos Giannakis, Sami Rtimi, Cesar Pulgarin
In this work, the issue of hospital and urban wastewater treatment is studied in two different contexts, in Switzerland and in developing countries (Ivory Coast and Colombia). For this purpose, the treatment of municipal wastewater effluents is studied, simulating the developed countries' context, while cheap and sustainable solutions are proposed for the developing countries, to form a barrier between effluents and receiving water bodies. In order to propose proper methods for each case, the characteristics of the matrices and the targets are described here in detail...
June 26, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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