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https://www.readbyqxmd.com/read/28088690/electrochemical-studies-of-dna-interaction-and-antimicrobial-activities-of-mn-ii-fe-iii-co-ii-and-ni-ii-schiff-base-tetraazamacrocyclic-complexes
#1
Anuj Kumar, Vinod Kumar Vashistha, Prashant Tevatia, Randhir Singh
Tetraazamacrocyclic complexes of Mn(II), Fe(III), Co(II) and Ni(II) have been synthesized by template method. These tetraazamacrocycles have been analyzed with various techniques like molar conductance, IR, UV-vis, mass spectral and cyclic voltammetric studies. On the basis of all these studies, octahedral geometry has been assigned to these tetraazamacrocyclic complexes. The DNA binding properties of these macrocyclic complexes have been investigated by electronic absorption spectra, fluorescence spectra, cyclic voltammetric and differential pulse voltammetric studies...
January 6, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28081583/-early-results-of-adjuvant-topical-treatment-of-recurrent-osteomyelitis-with-absorbable-antibiotic-carriers
#2
Y Gramlich, G Walter, J Gils, R Hoffmann
Background Treatment of musculoskeletal infections principally consists of radical surgical debridement and systemic administration of antibiotics. Additional local antibiotic therapy is not yet generally established, and lacks evidence-based proof of efficacy. Nonetheless, there are a variety of practical approaches, as most specialised departments are unwilling to forego this option. The established polymethylmetacrylate (PMMA) carrier system has a number of practical disadvantages. This has led to the increased use of absorbable carrier systems, and those based on calcium sulphate have given particularly encouraging results...
January 12, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28074125/shiga-vero-toxin-producing-escherichia-coli-isolated-from-the-hospital-foods-virulence-factors-o-serogroups-and-antimicrobial-resistance-properties
#3
Reza Ranjbar, Mojtaba Masoudimanesh, Farhad Safarpoor Dehkordi, Nematollah Jonaidi-Jafari, Ebrahim Rahimi
BACKGROUND: According to the presence of the weak, diabetic and immunosuppressive patients in hospitals, hospital foods should have a high quality and safety. Cooking a lot of foods higher than daily requirement, storage of cooked foods in an inappropriate condition and presence of nurses and servants in distribution of food to patients are the main reasons caused contamination of hospital foods. Shiga toxigenic Escherichia coli is one of the common cause of food poisoning in hospitals...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28070047/-clinical-analysis-for-patients-with-continuous-ambulatory-peritoneal-dialysis-associated-peritonitis
#4
Jian Liu, Xun Huang, Yao Liu, Hui Xu, Rui'e Gong, Chunhui Li
To analyze the clinical characteristics of continuous ambulatory peritoneal dialysis (CAPD) associated peritonitis in the tertiary hospitals and to discuss the preventive and therapeutic strategy.
 Methods: The clinical characteristics, pathogens, resistance and outcomes of 126 CAPD associated peritonitis in 104 patients from Jan, 2013 to June, 2016, were retrospectively analyzed.
 Results: Among the patients, the incidence rates of abdominal pain, fever, diarrhea and emesis were 104 (82.54%), 56 (44.44%), 49 (38...
December 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28053260/comparison-of-the-elution-properties-of-commercially-available-gentamicin-and-bone-cement-containing-vancomycin-with-home-made-preparations
#5
N M Frew, T Cannon, T Nichol, T J Smith, I Stockley
AIMS: Vancomycin is commonly added to acrylic bone cement during revision arthroplasty surgery. Proprietary cement preparations containing vancomycin are available, but are significantly more expensive. We investigated whether the elution of antibiotic from 'home-made' cement containing vancomycin was comparable with more expensive commercially available vancomycin impregnated cement. MATERIALS AND METHODS: A total of 18 cement discs containing either proprietary CopalG+V; or 'home-made' CopalR+G with vancomycin added by hand, were made...
January 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28033700/brucellosis-with-multi-organ-involvement-in-a-patient-with-history-of-composite-aortic-graft-and-hepatitis-b
#6
Seyed Ali Dehghan Manshadi, Omid Rezahosseini, Zahra Abdi Liaei
The brucellosis with multi-organ involvement in a patient with a history of the composite aortic graft (Bentall procedure) and Hepatitis B infection is rare. A 35-year-old man presented to us with fever and loss of consciousness. Four years ago, he was IDU and underwent cardiac surgery because of endocarditis. Recently lumbar spondylodiscitis was diagnosed. The Wright (1/320) and Coombs Wright tests (1/640) were positive. After CNS imaging, lumbar puncture was done. The CSF pleocytosis was lymphocyte dominant...
November 2016: Acta Medica Iranica
https://www.readbyqxmd.com/read/28030576/functional-and-structural-analysis-of-a-highly-expressed-yersinia-pestis-small-rna-following-infection-of-cultured-macrophages
#7
Nan Li, Scott P Hennelly, Chris J Stubben, Sofiya Micheva-Viteva, Bin Hu, Yulin Shou, Momchilo Vuyisich, Chang-Shung Tung, Patrick S Chain, Karissa Y Sanbonmatsu, Elizabeth Hong-Geller
Non-coding small RNAs (sRNAs) are found in practically all bacterial genomes and play important roles in regulating gene expression to impact bacterial metabolism, growth, and virulence. We performed transcriptomics analysis to identify sRNAs that are differentially expressed in Yersinia pestis that invaded the human macrophage cell line THP-1, compared to pathogens that remained extracellular in the presence of host. Using ultra high-throughput sequencing, we identified 37 novel and 143 previously known sRNAs in Y...
2016: PloS One
https://www.readbyqxmd.com/read/27993865/simultaneous-determination-of-five-specific-and-sensitive-nephrotoxicity-biomarkers-in-serum-and-urine-samples-of-four-drug-induced-kidney-injury-models
#8
Liqiang Gu, Huiyan Shi, Ruowen Zhang, Zhe Wei, Kai-Shun Bi, Xiao-Hui Chen
In clinical diagnosis, serum creatinine (CR) was commonly used as the routine markers for the evaluation of kidney injury. To investigate the specific and sensitive nephrotoxicity biomarkers in different drug-induced kidney injury (DKI) models, receiver operating characteristic (ROC) analysis was applied in this study. The quantification data were acquired by the LC-MS determination. Histopathology results showed that different kinds of kidney injuries were observed in different DKI models (gentamycin, cisplatin, methotrexate and amphotericin B models), indicating the injuries might be caused by different mechanisms...
January 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/27959419/antimicrobial-resistance-development-following-surgical-site-infections
#9
Daniela Călina, Anca Oana Docea, Lucica Rosu, Ovidiu Zlatian, Alexandra Floriana Rosu, Florin Anghelina, Otilia Rogoveanu, Andreea Letiția Arsene, Alina Crenguța Nicolae, Cristina Manuela Drăgoi, John Tsiaoussis, Aristides M Tsatsakis, Demetrios A Spandidos, Nikolaos Drakoulis, Eliza Gofita
Surgical site infections (SSIs) determine an increase in hospitalization time and antibiotic therapy costs. The aim of this study was to identify the germs involved in SSIs in patients from the Clinical Emergency County Hospital of Craiova (SCJUC) and to assess their resistance to antimicrobials, with comparisons between surgical wards and the intensive care unit (ICU). The biological samples were subjected to classical bacteriological diagnostics. Antibiotic resistance was tested by disc diffusion. We used hierarchical clustering as a method to group the isolates based upon the antibiotic resistance profile...
February 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27941735/isolation-of-extended-spectrum-%C3%AE-lactamase-producing-gram-negative-bacilli-from-wound-swab-with-their-antimicrobial-susceptibility-pattern
#10
T A Islam, S M Shamsuzzaman
Extended Spectrum β-lactamases (ESBLs) producing organisms have become the major clinical concern worldwide. The present study was undertaken to see the frequency of ESBLs producing gram-negative bacilli with their antibiogram in post surgical wound swab collected over a period of 12 months from July 2011 to June 2012 at Dhaka Medical College Hospital. Among 200 samples 121(60.5%) gram negative bacilli and 52(26%) gram-positive bacteria were isolated. Escherichia coli (36.42%) was the most predominant gram-negative bacilli followed by Klebsiella species (9...
October 2016: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/27902273/racemicystis-persica-sp-nov-a-novel-myxobacterium-from-iranian-soil
#11
Joachim Wink, Azam Moradi, Gholam Hosein Ebrahimipour, Kathrin Mohr, Peter Kämpfer, Stefanie Glaeser, Fabienne Hennessen, Katja Gemperlein, Awal Prasad Ram, Corinna Wolf, Rolf Müller
A novel myxobacterium, strain MSr11462T, was isolated in 2015 from a soil sample collected from Kish Island beach, Persian Gulf, Iran. It displayed general myxobacterial features like Gram negative staining, rod shaped vegetative cells, gliding on solid surfaces, microbial lytic activity, fruiting body like aggregates and myxospore like structures. The strain was mesophilic, aerobic and showed chemoheterotrophic mode of nutrition. It was resistant to many antibiotics like gentamycin, polymyxin, Fusidic acid and trimethopril and the key fatty acids of whole cell hydrolysates were iso-C15:0, C16:0, iso-C17:0, C18:1 , iso-C17:1 2-OH, C18:1 2-OH, iso-C15:0 OAG (O-alkylglycerol), and C16:1 OAG...
November 11, 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27889773/evaluation-of-kim-1-and-ngal-as-early-indicators-for-assessment-of-gentamycin-induced-nephrotoxicity-in-vivo-and-in-vitro
#12
Qi-Hui Luo, Meng-Lu Chen, Zheng-Li Chen, Chao Huang, An-Chun Cheng, Jing Fang, Li Tang, Yi Geng
BACKGROUND/AIMS: The aminolycoside Gentamicin is a widely used antibiotic, applied in equine medicine. Despite its clinical use, concerns remain regarding the potential toxic side-effects, such as nephrotoxicity. Early detection of renal damage is critical in preclinical drug development. This study was aimed to determine whether kidney injury molecule-1 (KIM-1) and neutrophil gelatinase-associated lipocalin (NGAL) may be early indicators in the assessment of Gentamycin-induced nephrotoxicity...
2016: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/27886596/an-end-point-method-based-on-graphene-oxide-for-rnase-h-analysis-and-inhibitors-screening
#13
Chuan Zhao, Jialong Fan, Lan Peng, Lijian Zhao, Chunyi Tong, Wei Wang, Bin Liu
As a highly conserved damage repair protein, RNase H can hydrolysis DNA-RNA heteroduplex endonucleolytically and cleave RNA-DNA junctions as well. In this study, we have developed an accurate and sensitive RNase H assay based on fluorophore-labeled chimeric substrate hydrolysis and the differential affinity of graphene oxide on RNA strand with different length. This end-point measurement method can detect RNase H in a range of 0.01 to 1 units /mL with a detection limit of 5.0×10(-3) units/ mL under optimal conditions...
April 15, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27876960/characterization-and-control-of-symbiotic-bacillus-cereus-isolated-from-the-mid-gut-of-anopheles-subpictus-grassi
#14
Priyanka Mukhopadhyay, Soumendranath Chatterjee
An investigation was done to find out the role of gut bacterium on the larval development and survival of Anopheles subpictus, the vector responsible for the transmission of malaria. An. subpictus mosquitoes breed exclusively in stagnant water, including shrimp/fish ponds with high nutrient level. One bacterial strain (CX2) was isolated from the midgut of late third instar of mosquito larvae. The bacterial isolate was sensitive to recommended doses of tetracyclin (30 µg/disc), doxycycline (30 µg/disc), kanamycin (30 µg/disc), gentamycin (10 µg/disc), streptomycin (10 µg/disc), vancomycin (30 µg/disc), ofloxacin (5 µg/disc), levofloxacin (5 µg/disc), gatifloxacin (10 µg/disc), but resistant to ampicillin (10 µg/disc)...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27860210/limitation-of-the-antibiotic-eluting-bone-graft-substitute-an-example-of-gentamycin-impregnated-calcium-sulfate
#15
Chang-Chin Wu, Yang-Kai Huang, Wei-Jen Chang, Yun-Ching Wu, Chen-Chie Wang, Kai-Chiang Yang
Patients with inadequate volume of alveolar processes or bone defects commonly require graft substitutes in oral, maxillofacial or orthopedic surgery. Ridge augmentation and reconstruction of facial bony defects with bone graft materials achieve better outcomes in functional and aesthetic rehabilitation. The injectable calcium sulfate filler is used widely in intra-operative applications. Calcium sulfate bone filler has been shown to upregulate bone formation-related mRNA genes in vitro and improve osseointegration in vivo...
November 18, 2016: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/27833719/antibiotic-resistance-properties-of-pseudomonas-aeruginosa-isolated-from-cases-of-superficial-infections-at-the-emergency-unit
#16
Koorosh Ahmadi, Amir Masoud Hashemian, Seyyed Mohsen Pouryaghobi, Reza Akhavan, Sara Rozmina, Ehsan Bolvardi
BACKGROUND: Pseudomonas aeruginosa, a ubiquitous opportunistic pathogen, is one of the main causative agents of human superficial infections. Infections due to these bacteria are difficult to heal and cause serious economic issues. OBJECTIVES: The present study was carried out to investigate the antibiotic resistance pattern of P. aeruginosa isolated from cases of superficial infections referred to the emergency health care units of Iranian Hospitals. MATERIALS AND METHODS: Three hundred swab samples were collected from patients with superficial infections...
2016: Jundishapur Journal of Microbiology
https://www.readbyqxmd.com/read/27822623/-esc-and-aha-guidelines-2015-on-endocarditis-in-competition-or-synchrony
#17
Bernhard Maisch
In the 2015 guidelines of the European Society of Cardiology (ESC) and the American Heart Association (AHA) on infective endocarditis, the diagnostics are based on the modified Duke criteria. The diagnosis can be confirmed by a combination of micro-organisms demonstrated in culture or in situ, with the detection of valvular lesions or abscess formation by an imaging modality using echocardiography, positron emission tomography computed tomography (PET/CT), cardio-CT or nuclear medical methods. The management should be further improved by an interdisciplinary endocarditis team in a specifically designated reference center...
December 2016: Herz
https://www.readbyqxmd.com/read/27822247/pfge-genotyping-and-molecular-characterization-of-campylobacter-spp-isolated-from-chicken-meat
#18
B Bakhshi, M Kalantar, A Rastegar-Lari, F Fallah
A total of 70 samples were collected from chicken meat obtained from 10 markets in Tehran, Iran from which 39 Campylobacter coli were isolated. Among 10 antibiotics used, maximum resistance was seen to trimethoprim-sulphamethoxazole (SXT) (97.36%), nalidixic acid (94.8%), ciprofloxacin (87.7%), streptomycin (89.72%), and tetracycline (97.4%). No resistance was to gentamycin was observed. None of the Campylobacter strains under study harbored integron, suggesting the involvement of other resistance mechanisms in emergence of multi drug resistance (MDR) phenotype among the isolates...
2016: Iranian journal of veterinary research
https://www.readbyqxmd.com/read/27822242/an-outbreak-of-yolk-sac-infection-and-dead-in-shell-mortality-in-common-canary-serinus-canaria-caused-by-klebsiella-pneumoniae
#19
J Razmyar, A H Zamani
Yolk sac infection (YSI) and dead-in-shell mortality caused by Enterobacteriaceae in birds are not a rare phenomenon, however there are only a few reports indicating the association between these conditions and Klebsiella spp. among canary chicks (Serinus canaria). There have been reports of high mortality among 1-3 day old canary chicks in an indoor flock of canaries. In order to study the causative agent, yolk sac samples from dead-in-shell and day-old canary chicks were cultured. Klebsiella pneumonia was isolated and identified based on biochemical tests and using genus and species-specific multiplex PCR and later tested for their susceptibility to 13 antimicrobial agents...
2016: Iranian journal of veterinary research
https://www.readbyqxmd.com/read/27819649/the-effect-of-nystatin-solution-on-otoacoustic-emissions-in-rats
#20
Alperen Vural, Mehmet İlhan Şahin, Mesut Aydın, Ramazan Gündoğdu, Turan Arlı, Hacı Okuducu, Denizhan Dizdar, İsmail Külahlı
OBJECTIVE: In patients with a perforated tympanic membrane, topically administered medication reaches the middle ear and thus creates a risk of ototoxicity. The aim of the present study was to evaluate the possible ototoxic effect of the antifungal medication nystatin when administered to the rat middle ear cavity. MATERIALS AND METHODS: Three groups (negative control, positive control, and study groups), each containing eight rats, were formed. Before the drug administration, distortion product otoacoustic emissions were recorded in both ears of each rat...
November 7, 2016: Journal of International Advanced Otology
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