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https://www.readbyqxmd.com/read/28735185/mil-101-cr-go-for-dispersive-micro-solid-phase-extraction-of-pharmaceutical-residue-in-chicken-breast-used-in-microwave-assisted-coupling-with-hplc-ms-ms-detection
#1
Yudan Wang, Xinpeng Dai, Xi He, Lin Chen, Xiaohong Hou
In this work, MIL-101(Cr)@GO (Graphite Oxide) was synthesized using a hydrothermal synthesis method and was applied as a dispersive micro-solid-phase extraction (D-μ-SPE) sorbent for the efficient concentration of four residual drugs (metronidazole, MNZ; tinidazole, TNZ; chloramphenicol, CAP; sulfamethoxazole, SMX). Meanwhile, the extraction process was optimized by combining it with microwave-assisted extraction. Factors affecting the D-μ-SPE efficiency, such as selection of sorbent materials, pH of the sample solution, salting-out effect, amount of used material, extraction time, desorption solvent and desorption time, were studied...
July 11, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28732784/secondary-antibiotic-resistance-of-helicobacter-pylori-isolates-in-israeli-children-and-adults
#2
Johad Khoury, Yuval Geffen, Ron Shaul, Hisham Sholy, Yehuda Chowers, Tarek Saadi
BACKGROUND: Failure of standard therapy for H. pylori infections results primarily from increasing antibiotic resistance. Patients in Israel are referred for H. pylori culture after failure of at least two therapeutic regimens. OBJECTIVES: To estimate the prevalence of secondary antimicrobial resistance of H. pylori in Israel. METHODS: We retrospectively collected results of H. pylori cultures performed by gastric biopsies at Rambam Health Care Campus, Haifa, Israel, between the years 2012-2015...
July 18, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28729205/antimicrobial-susceptibility-of-clostridium-difficile-isolates-in-israel
#3
Linda Tkhawkho, Orna Nitzan, Nina Pastukh, Diana Brodsky, Karen Jackson, Avi Peretz
OBJECTIVES: An increase of Clostridium difficile isolates with reduced susceptibility to various antimicrobial agents has been observed, including isolates that are non-susceptible to antibiotics that are routinely used for treatment of C. difficile, such as vancomycin and metronidazole. We determined the susceptibility rates of C. difficile isolates from hospitals in northern Israel to various antibiotics including tigecycline, which was not previously reported from Israel. METHODS: A total of 81 stool samples were collected from three hospitals in northern Israel from patients with C...
July 17, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28728905/perceptions-of-clostridium-difficile-infections-among-infection-control-professionals-in-taiwan
#4
Yuan-Pin Hung, Jen-Chieh Lee, Hsiao-Ju Lin, Chun-Wei Chiu, Jia-Ling Wu, Hsiao-Chieh Liu, I-Hsiu Huang, Pei-Jane Tsai, Wen-Chien Ko
BACKGROUND: High Clostridium difficile colonization and infection rates among hospitalized patients had been noted in Taiwan. Nevertheless, the cognition about clinical diagnosis and management of CDI among infection control professionals in Taiwan is not clear. MATERIAL AND METHODS: A 24-item survey questionnaire about the diagnosis, therapy, or infection control policies toward CDI was distributed in the annual meeting of the Infectious Disease Society of Taiwan (IDST) in October 2015 and Infectious Control Society of Taiwan (ICST) in April 2016...
June 29, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28728857/-rosacea-new-data-for-better-care
#5
B Cribier
In the last 10 years, numerous studies have been published that throw new light on rosacea, in all areas of the disease. This overview summarises all the key developments, based on the indexed bibliography appearing in Medline between 2007 and 2017. Recent epidemiological data show that the prevalence of the disease is doubtless greater than estimated hitherto (more than 10% of adults in some countries) and that we should not overlook rosacea in subjects with skin phototypes V or VI, a condition that exists on all continents...
July 17, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28722597/occult-amoebic-liver-abscess-as-cause-of-extensive-inferior-vena-cava-and-hepatic-vein-thrombosis
#6
Leslie Martin, Nishigandha Burute, Ehsan Haider, Pablo E Serrano, Timothy O'Shea, Deborah Siegal
The most common extraintestinal complication of Entamoeba histolytica is amoebic liver abscess (ALA). Hepatic vein and inferior vena cava (IVC) thrombosis are rare but well-documented complications of ALA, typically attributed to mechanical compression and inflammation associated with a large abscess. We present a case of a previously healthy 43-year-old Canadian man presenting with constitutional symptoms and right upper quadrant abdominal pain. He was found to have thrombophlebitis of the IVC, accessory right hepatic vein, and bilateral iliac veins...
July 3, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28721112/current-perspectives-in-the-usa-on-the-diagnosis-and-treatment-of-pelvic-inflammatory-disease-in-adolescents
#7
REVIEW
William L Risser, Jan M Risser, Amanda L Risser
In this review, the epidemiology, diagnosis, and treatment of pelvic inflammatory disease (PID) are discussed from a USA perspective and the difficulties that USA adolescents face in recognizing and seeking care for PID and other sexually transmitted infections (STIs) are emphasized. Females aged 15-24 years have the highest incidence of cervical infection with Chlamydia trachomatis and Neisseria gonorrheae, the principal causes of PID. PID is common in this age group. However, the incidence of PID in the USA is not known, because it is not a reportable disease, and because clinicians vary in the criteria used for the diagnosis...
2017: Adolescent Health, Medicine and Therapeutics
https://www.readbyqxmd.com/read/28720314/antibiotic-susceptibility-of-helicobacter-pylori-strains-isolated-from-iranian-children-high-frequency-of-a2143g-point-mutation-associated-with-clarithromycin-resistance
#8
Shima Mahmoudi, Setareh Mamishi, Maryam Banar, Sepideh Keshavarz Valian, Abbas Bahador, Mehri Najafi, Fatemeh Farahmand, Babak Pourakbari
OBJECTIVE: Increasing antibiotic resistance in Helicobacter pylori is a global concern and is associated with treatment failure. The aim of this study was to evaluate antibiotic resistance of H. pylori to different antibiotics including amoxicillin, erythromycin, ciprofloxacin, furazolidone, tetracycline, metronidazole and clarithromycin and to detection of A2143G mutation in clarithromycin resistant isolates by real-time PCR technique. METHODS: Ninety patients with upper gastrointestinal symptoms were enrolled in this study...
July 15, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28711154/western-diet-induced-dysbiosis-in-farnesoid-x-receptor-knockout-mice-causes-persistent-hepatic-inflammation-after-antibiotic-treatment
#9
Prasant K Jena, Lili Sheng, Hui-Xin Liu, Karen M Kalanetra, Annie Mirsoian, William J Murphy, Samuel W French, Viswanathan V Krishnan, David A Mills, Yu-Jui Yvonne Wan
Patients who have liver cirrhosis and liver cancer also have reduced farnesoid X receptor (FXR). The current study analyzes the effect of diet through microbiota that affect hepatic inflammation in FXR knockout (KO) mice. Wild-type and FXR KO mice were on a control (CD) or Western diet (WD) for 10 months. In addition, both CD- and WD-fed FXR KO male mice, which had hepatic lymphocyte and neutrophil infiltration, were treated by vancomycin, polymyxin B, and Abx (ampicillin, neomycin, metronidazole, and vancomycin)...
July 11, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28707620/a-quechers-based-sample-preparation-method-for-the-analysis-of-5-nitroimidazoles-in-bovine-milk-by-hplc-dad
#10
Tomasz Tuzimski, Tomasz Rejczak
In this study, a simple, cost-effective, and sensitive HPLC diode-array detection method was developed for thesimultaneous determination of six different 5-nitroimidazoles [metronidazole, 2-hydroxymethyl-1-methyl-5-nitro-(1)H-imidazole, dimetridazole (DMZ), ronidazole, ornidazole, and ipronidazole] in bovine milk samples. A QuEChERS-based sample preparation procedure was optimized by evaluating different cleanup sorbents, including zirconium-based sorbents (Z-Sep and Z-Sep+), C18, and primary–secondary amine (PSA), as well as EMR-Lipid cleanup solution...
July 13, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28706400/hybrid-therapy-versus-sequential-therapy-for-eradication-of-helicobacter-pylori-a-randomized-controlled-trial
#11
Sahoo Ashokkumar, Sonia Agrawal, Jharna Mandal, Sathasivam Sureshkumar, Gubbi Shamanna Sreenath, Vikram Kate
OBJECTIVE: To compare the sequential therapy (ST) with the hybrid therapy (HT) for the eradication of Helicobacter pylori. MATERIALS AND METHODS: Patients with peptic ulcer disease and gastritis found to be H. pylori positive were randomized to HT group who received omeprazole (20 mg bid) and amoxicillin (1 g bid) for 7 days followed by omeprazole (20 mg bid), amoxicillin (1 g bid), clarithromycin (500 mg bid), and metronidazole (400 mg tid) for the next 7 days and ST group who received omeprazole and amoxicillin for 5 days followed by omeprazole, clarithromycin, and metronidazole for the next 5 days...
April 2017: Journal of Pharmacology & Pharmacotherapeutics
https://www.readbyqxmd.com/read/28705287/generalized-discoid-lupus-erythematosus-as-the-presenting-sign-of-small-cell-lung-carcinoma
#12
Tania M Gonzalez Santiago, David A Wetter, Garrett C Lowe, Gabriel F Sciallis
A 46-year-old woman with a 30 pack-year smoking history presented with a worsening eruption on the left cheek that failed to improve with metronidazole gel. The cutaneous eruption spread to most of her face and did not respond to a brief tapering course of prednisone. During the initial evaluation at our institution, approximately 6 weeks after the onset of the cutaneous eruption, the patient had erythematous, crusted plaques on her face and scalp (Figure 1A); they were also present on the V-area of the anterior aspect of the neck and upper region of the chest, the shoulders, and the arms, with isolated lesions on the trunk and legs...
2017: Skinmed
https://www.readbyqxmd.com/read/28704226/antibiotic-resistance-in-helicobacter-pylori
#13
Claudio Alba, Ana Blanco, Teresa Alarcón
PURPOSE OF REVIEW: Treatment of Helicobacter pylori is difficult nowadays because of its high resistance. The prevalence and mechanism of resistance, the different methods to detect it and the clinical implication of resistance were addressed in several research papers last year. RECENT FINDINGS: Clarithromycin-resistant H. pylori has been recognized by the WHO as 'high priority', for which new antibiotics are needed. Moreover, the Maastricht consensus recommended, in areas with high resistance, that susceptibility tests should be performed, at least after a treatment failure...
July 12, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28702640/a-simple-high-yield-synthesis-of-high-purity-h%C3%A3-gg-carbide-%C3%AF-fe5c2-nanoparticles-with-extraordinary-electrochemical-properties
#14
Ondřej Malina, Petr Jakubec, Josef Kašlík, Jiří Tuček, Radek Zbořil
Iron carbides are of eminent interest in both fundamental scientific research and in the industry owing to their properties such as excellent mechanical strength and chemical inertness. They have been found very effective in Fischer-Tropsch synthesis exploring heterogeneous catalysis for the production of chemicals such as liquid fuel and they have also been employed as successful promoters for the oxygen reduction reaction (ORR) and hydrogen evolution reaction (HER). However, so far there have been only a few reports on the application of iron carbide nanoparticles in the field of electrochemical sensing...
July 13, 2017: Nanoscale
https://www.readbyqxmd.com/read/28702149/postoperative-antibiotic-therapy-after-appendectomy-in-patients-with-non-perforated-appendicitis
#15
Seyed-Mohammadreza Sadraei-Moosavi, Novin Nikhbakhsh, Ali-Asghar Darzi
BACKGROUND: Appendectomy intra-abdominal is the most frequently performed emergency surgery. This study was conducted to determine the role of postoperative antibiotics in reducing surgical site infections (SSIs) and abscess formation after open appendectomy. METHODS: In the Department of Surgery, Shahid Beheshti Hospital, Babol, Iran, from October 2013 to October 2014 one hundred and fifty two patients, who underwent appendectomy for nonperforated appendicitis (NPA) and fulfilled the selection criteria, were randomized into two groups...
2017: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/28693926/high-in%C3%A2-vitro-activity-of-fidaxomicin-against-clostridium-difficile-isolates-from-a-university-teaching-hospital-in-china
#16
Jing-Wei Cheng, Qi-Wen Yang, Meng Xiao, Shu-Ying Yu, Meng-Lan Zhou, Timothy Kudinha, Fanrong Kong, Jian-Wei Liao, Ying-Chun Xu
BACKGROUND: Clostridium difficile infection (CDI) is a significant cause of morbidity and mortality in both the acute care setting and the wider healthcare system. The purpose of this study was to evaluate the in vitro activity of fidaxomicin against C.difficile isolates from a university teaching hospital in China. METHODS: One hundred and one C.difficile isolates were collected and analyzed for toxin genes by multiplex PCR. The toxin gene positive strains were also typed by multilocus sequence typing (MLST) and PCR-ribotyping...
June 29, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28693407/patterns-of-drugs-prescribed-for-dental-outpatients-in-nigeria-findings-and-implications
#17
Joseph O Fadare, Kazeem A Oshikoya, Obitade S Obimakinde, Abayomi O Sijuade, Jide M Afolayan, Adeyinka A Adeleke, Brian Godman, Damilola O Ojumu
OBJECTIVES: There are concerns with inappropriate prescribing of medicines among dentists especially antimicrobials. It is more concerning if this increases resistance rates. This study aimed to address this by assessing patterns of drugs prescribed for outpatients attending a hospital dental clinic in Nigeria. The findings will be used to plan future interventions, particularly around antimicrobial prescribing, where there are concerns. METHODS AND MATERIALS: Medical records of patients attending the dental clinic of a leading teaching hospital in Nigeria were evaluated...
July 11, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28693323/supramolecular-host-guest-interaction-enhanced-adjustable-drug-release-based-on-%C3%AE-cyclodextrin-functionalized-thermoresponsive-porous-polymer-films
#18
Yuanwei Su, Jing Dang, Haitao Zhang, Yingyi Zhang, Wei Tian
Drug delivery systems based on stimuli-responsive porous polymer films (PPFs) have been extensively investigated due to their many advantages. However, the ability to adjust drug release from PPFs is not always perfect, and at times, it cannot satisfy real-world requirements. In this paper, supramolecular host-guest interactions were harnessed to overcome the difficulties associated with adjustable release from these systems by incorporating host molecules into the pore walls of thermoresponsive PPFs. β-Cyclodextrin-functionalized porous amphiphilic block copolymer films (β-CD-PBCPFs) with controllable pore parameters, high homogeneity, and large areas were prepared by combining the self-assembly and breath-figure methods...
July 11, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28689869/effects-of-oral-antibiotics-and-isotretinoin-on-the-murine-gut-microbiota
#19
Eugenia Becker, Thomas S B Schmidt, Susan Bengs, Lucy Poveda, Lennart Opitz, Kirstin Atrott, Claudia Stanzel, Luc Biedermann, Ateequr Rehman, Daniel Jonas, Christian von Mering, Gerhard Rogler, Isabelle Frey-Wagner
Inflammatory bowel disease (IBD) may develop due to an immunogenic response to commensal gut microbiota triggered by environmental factors in the genetically susceptible host. Isotretinoin, applied in the treatment of severe acne, has been variably associated with IBD, but prior treatment with antibiotics, also associated with IBD development, confounds confirmation of this association. This study investigated the effects of doxycycline, metronidazole (frequently used in the treatment of acne and IBD, respectively) and isotretinoin on murine gut (faecal) microbiota after 2 weeks of treatment and after a 4-week recovery period...
July 6, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28687280/prevalence-and-characteristics-of-clostridium-perfringens-and-clostridium-difficile-in-dogs-and-cats-attended-in-diverse-veterinary-clinics-from-the-madrid-region
#20
Sergio Álvarez-Pérez, José L Blanco, Celine Harmanus, Ed J Kuijper, Marta E García
Despite extensive research on the epidemiology of pathogenic clostridia in dogs and cats, most published studies focus on a selected animal population and/or a single veterinary medical centre. We assessed the burden of Clostridium perfringens and C. difficile shedding by small animals in 17 veterinary clinics located within the Madrid region (Spain) and differing in size, number and features of animals attended and other relevant characteristics. In addition, we studied the genetic diversity and antibiotic susceptibility of recovered isolates...
July 5, 2017: Anaerobe
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