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https://www.readbyqxmd.com/read/29779082/does-obesity-influence-the-risk-of-clostridium-difficile-infection-among-patients-with-ulcerative-colitis
#1
Sajiv Chandradas, Hamed Khalili, Ashwin Ananthakrishnan, Connor Wayman, Warren Reidel, Jill Waalen, Gauree G Konijeti
BACKGROUND: Patients with ulcerative colitis (UC) are at an increased risk of Clostridium difficile infection (CDI) compared with the general population. Recent data suggest that obesity also increases the risk of CDI. AIMS: To examine whether obesity influences the risk of CDI among patients with UC. STUDY: We conducted a retrospective cross-sectional study of UC patients seen in gastroenterology clinic between January 1, 2014, and December 31, 2015...
May 19, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29778432/the-effect-of-exposure-to-sub-inhibitory-concentrations-of-hypochlorite-and-quaternary-ammonium-compounds-on-antimicrobial-susceptibility-of-pseudomonas-aeruginosa
#2
Aya Mahmoud Nasr, Marwa Salah Mostafa, Heba Hamed Arnaout, Amal Ali Ali Elshimy
BACKGROUND: Pseudomonas is a group of medically important species that inhabit a wide range of niches, including hospital environments. Controversies have emerged about the possible link between improper use of disinfectants and the emergence of antibiotic resistance in bacteria. The aim of this study was to assess the effect of exposure of antibiotic-susceptible Pseudomonas isolates to sub-inhibitory concentrations of 2 disinfectants-didecyldimonium chloride and sodium hypochlorite-on their antibiotic susceptibility patterns...
May 16, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29777678/uva-riboflavin-collagen-crosslinking-stiffening-effects-on-anterior-and-posterior-corneal-flaps
#3
Hamed Hatami-Marbini, Sandeep M Jayaram
The UVA/riboflavin collagen crosslinking (CXL) is one of the treatment procedure for stopping the progression of keratoconus. The inclusion criterion for this procedure is a minimum corneal thickness of 400 μm, which is not often met in patients with advanced keratoconus. Preoperatively swelling of thin corneas was shown to stabilize the keratectasia without any postoperative endothelial damage. Recently, we have shown that swelling porcine corneas prior to the CXL treatment had no significant effect on the resulting improvement in their tensile properties...
May 16, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29776020/paramagnetic-colloids-chaotic-routes-to-clusters-and-molecules
#4
Hamed Abdi, Rasam Soheilian, Randall M Erb, Craig E Maloney
We present computer simulations and experiments on dilute suspensions of superparamagnetic particles subject to rotating magnetic fields. We focus on chains of four particles and their decay routes to stable structures. At low rates, the chains track the external field. At intermediate rates, the chains break up but perform a periodic (albeit complex) motion. At sufficiently high rates, the chains generally undergo chaotic motion at short times and decay to either closely packed clusters or more dispersed, colloidal molecules at long times...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29774428/inter-individual-differences-in-serotonin-and-glutamate-co-transmission-reflect-differentiation-in-context-induced-conditioned-50-khz-usvs-response-after-morphine-withdrawal
#5
Adam Hamed, Miron Bartosz Kursa
A growing body of research provides compelling evidence that in rats 50-kHz USVs are a form of expression of positive emotions. Context-induced 50-kHz USVs emission is variable among rats, indicating individual differences in contextual response bound up with pharmacological reward. The aims of this study were to: extract the most important neurotransmitters related to context-induced conditioned 50-kHz USVs response; find biological basis of existing inter-individual differences in context-induced conditioned 50-kHz USVs response; create a model of all-to-all neurotransmitters correlations...
May 17, 2018: Brain Structure & Function
https://www.readbyqxmd.com/read/29772871/access-to-dialysis-services-a-systematic-mapping-review-based-on-geographical-information-systems
#6
Benyamin Hoseini, Nasser Bagheri, Behzad Kiani, Amirabbas Azizi, Hamed Tabesh, Mahmood Tara
Equitable access to healthcare services constitutes one of the leading priorities of healthcare provision and access to dialysis services (ADS) has an essential impact on patients depending on renal dialysis. The many existing GIS-based ADS evaluations include various spatial and non-spatial factors affecting ADS. We systematically mapped and reviewed the available literature with reference to this area identifying gaps in current GIS-based ADS measurements and developing recommendations for future studies...
May 7, 2018: Geospatial Health
https://www.readbyqxmd.com/read/29771001/total-chemical-synthesis-of-sumo-and-sumo-abps-to-profile-activity-of-sumo-specific-proteases
#7
Monique Priscilla Catharina Mulder, Remco Merkx, Katharina Witting, Dharjath Hameed, Dris El Atmioui, Lindsey Lelieveld, Frauke Liebelt, Jacques Neefjes, Ilana Berlin, Alfred Vertegaal, Huib Ovaa
SUMO, a post-translational modifier critical for cell cycle progression and genome stability, plays a role in tumorigenesis rendering SUMO-specific enzymes as potential pharmacological targets. However, systematic generation of tools for activity profiling of SUMO-specific enzymes has proven challenging, leading us to develop a diversifiable synthetic platform for a SUMO toolbox using a direct linear synthesis protocol, permitting N- and C-terminal labeling strategies to incorporate dyes and reactive warheads, respectively...
May 17, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29769707/comparison-of-direct-and-indirect-cold-atmospheric-pressure-plasma-methods-in-the-b-16-f-10-melanoma-cancer-cells-treatment
#8
Fariba Saadati, Hamed Mahdikia, Hojjat-Allah Abbaszadeh, Mohammad-Amin Abdollahifar, Maryam Sadat Khoramgah, Babak Shokri
In this study a novel method was implemented and investigated in order to destroy cancer cells inside the mouse body on a clinical level. In the case of in-vitro study, MTT assay was employed to discover an effective dose of applied plasma and distinguish the plasma effect in direct and in indirect treatments. Tumor growth was also measured in in-vivo section so that the effectiveness of direct and indirect treatments could be compared. Furthermore, an investigation was conducted to study the interferences between a conventional method (chemotherapy) and plasma treatment so as to increase the effectiveness of treatment inside the body...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29768219/efficacy-of-green-nanoparticles-against-cancerous-and-normal-cell-lines-a-systematic-review-and-meta-analysis
#9
REVIEW
Hamed Barabadi, Ahad Alizadeh, Muhammad Ovais, Amirhossein Ahmadi, Zabta Khan Shinwari, Muthupandian Saravanan
This study aimed to perform a systematic review and meta-analysis of papers discussing the efficacy of microbial synthesised metallic nanoparticles (MNPs) against cancerous and normal cell lines by exploiting Bayesian generalised linear (BGL) model. Data was systematically collected from published papers via Cochrane library, Web of Science, PubMed, Science Direct, ProQuest, Scopus, and Embase. Impressively, most of the studies were carried out on HeLa and A549 cancer cell lines. Specifically, a hefty 65.67% of studies employed bacteria to biofabricate MNPs...
June 2018: IET Nanobiotechnology
https://www.readbyqxmd.com/read/29766822/2-5-disubstituted-phthalimides-design-synthesis-and-anticonvulsant-activity-in-scptz-and-mes-models
#10
Atefeh Saadabadi, Babak Kohen, Maryam Irandoust, Hamed Shafaroudi, Tara Mohammadpour, Mahdi Rezayat, Asghar Davood
In this study, fifteenth new 2,5-disubstituted analgouges of phthalimide were designed and synthesized using the appropriate synthetic route to evaluate anticonvulsant activity against the maximal electroshock (MES) and subcutaneous pentylenetetrazole (scPTZ) compare to phenytoin as a positive control. The structures of the synthesized compounds were confirmed by FT-IR, H-NMR, C-NMR and MASS spectroscopy. All the tested compounds were found to be effective in the PTZ model at the dose of 60 mg/kg and most of the compounds showed protection against MES test indicative of their ability to inhibit the seizure spread at the all dose ranges...
May 15, 2018: Current Computer-aided Drug Design
https://www.readbyqxmd.com/read/29762697/sarcopenia-is-a-novel-predictor-of-the-need-for-rescue-therapy-in-hospitalized-ulcerative-colitis-patients
#11
Kelly C Cushing, Hamed Kordbacheh, Michael S Gee, Avinash Kambadakone, Ashwin N Ananthakrishnan
Background: Acute severe ulcerative colitis (ASUC) affects one in four patients with UC. Clinical parameters perform modestly in predicting need for rescue therapy. Sarcopenia and visceral adiposity predict natural history in Crohn's disease, but the role of such metabolic factors on ASUC outcomes is unknown. Aim: To define the effect of sarcopenia and visceral adiposity on outcomes in ASUC. Methods: We studied patients hospitalized for ASUC who underwent an abdominal CT scan during the hospitalization...
May 12, 2018: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29758568/social-media-in-shoulder-elbow-surgery-an-analysis-of-twitter-and-instagram
#12
Prem N Ramkumar, Sergio M Navarro, Margaret M Cornaghie, Heather S Haeberle, Hafsah Hameed, Mark S Schickendantz, Eric T Ricchetti, Joseph P Iannotti
Social media provide a unique method of analyzing outcomes and quality in medicine. The purpose of this observational study was to investigate the nature of social media content related to shoulder and elbow (S&E) surgery posted by patients, surgeons, and hospitals. A public search of Instagram for a two-year period yielded 1,177 patient-related posts. A categorical system assessed the perspective, timing, tone, and content of each post. Twitter accounts of 77 S&E specialists from the top five ranked U...
May 14, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29757996/design-of-a-low-power-small-area-aec-q100-compliant-sent-transmitter-in-signal-conditioning-ic-for-automotive-pressure-and-temperature-complex-sensors-in-180-nm-cmos-technology
#13
Imran Ali, Behnam Samadpoor Rikhan, Dong-Gyu Kim, Dong-Soo Lee, Muhammad Riaz Ur Rehman, Hamed Abbasizadeh, Muhammad Asif, Minjae Lee, Keum Cheol Hwang, Youngoo Yang, Kang-Yoon Lee
In this paper, a low-power and small-area Single Edge Nibble Transmission (SENT) transmitter design is proposed for automotive pressure and temperature complex sensor applications. To reduce the cost and size of the hardware, the pressure and temperature information is processed with a single integrated circuit (IC) and transmitted at the same time to the electronic control unit (ECU) through SENT. Due to its digital nature, it is immune to noise, has reduced sensitivity to electromagnetic interference (EMI), and generates low EMI...
May 14, 2018: Sensors
https://www.readbyqxmd.com/read/29756447/electrochemical-methodologies-for-the-detection-of-pathogens
#14
Mandana Amiri, Abolfazl Bezaatpour, Hamed Jafari, Rabah Boukherroub, Sabine Szunerits
Bacterial infections remain of the principal causes of morbidity and mortality worldwide. The number of death due to infections is declining every year by only 1% with a forecast of 13 million deaths in 2050. Among the 1400 recognized human pathogens, the majority of infectious diseases is caused by just a few, about 20 pathogens only. While the development of vaccinations and novel anti-bacterial drugs and treatments are at the forefront of research, and strongly financially supported by policy makers, another manner to limit and control infectious outbreaks is targeting the development and implementation of early warning systems, which indicate qualitatively and quantitatively the presence of a pathogen...
May 14, 2018: ACS Sensors
https://www.readbyqxmd.com/read/29756019/size-of-colorectal-polyps-determines-time-taken-to-remove-them-endoscopically
#15
Heechan Kang, Mo Hameed Thoufeeq
Background an study aims:  Polypectomy and endoscopic mucosal resection (EMR) are effective and safe ways of removing polyps from the colon at endoscopy. Guidelines exist for advising the time allocation for diagnostic endoscopy but not for polypectomy and EMR. The aim of this study was to identify if time allocated for polypectomy and EMR at planned therapeutic lists in our endoscopy unit is sufficient for procedures to be carried out. We also wanted to identify factors that might be associated with procedures taking longer than the allocated time and to identify factors that might predict duration of these procedures...
May 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29755994/therapeutic-effects-of-low-dose-bismuth-subcitrate-on-symptoms-and-health-related-quality-of-life-in-adult-patients-with-irritable-bowel-syndrome-a-clinical-trial
#16
Hamed Daghaghzadeh, Ardalan Memar, Yasaman Mohamadi, Nooshin Rezakhani, Parastoo Safazadeh, Sarina Aghaha, Payman Adibi
Objective: Irritable bowel syndrome (IBS) is a chronic functional disorder of the gastrointestinal tract that causes abdominal pain or discomfort and alters bowel with no organic abnormalities. Treatment options for IBS have increased in number in the past decade, and clinicians should not be limited to use only conventional treatments to cure it. This article is a placebo-controlled clinical trial to assess the therapeutic effects of low-dose bismuth subcitrate on symptoms and the health-related quality of life in adult patients with IBS...
January 2018: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/29755957/molecular-targets-related-drug-resistance-mechanisms-in-mdr-xdr-and-tdr-mycobacterium-tuberculosis-strains
#17
REVIEW
H M Adnan Hameed, Md Mahmudul Islam, Chiranjibi Chhotaray, Changwei Wang, Yang Liu, Yaoju Tan, Xinjie Li, Shouyong Tan, Vincent Delorme, Wing W Yew, Jianxiong Liu, Tianyu Zhang
Tuberculosis (TB) is a formidable infectious disease that remains a major cause of death worldwide today. Escalating application of genomic techniques has expedited the identification of increasing number of mutations associated with drug resistance in Mycobacterium tuberculosis . Unfortunately the prevalence of bacillary resistance becomes alarming in many parts of the world, with the daunting scenarios of multidrug-resistant tuberculosis (MDR-TB), extensively drug-resistant tuberculosis (XDR-TB) and total drug-resistant tuberculosis (TDR-TB), due to number of resistance pathways, alongside some apparently obscure ones...
2018: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29753555/evaluation-of-early-postoperative-ocular-pain-after-photorefractive-keratectomy-and-corneal-crosslinking
#18
Siamak Zarei-Ghanavati, Soheyla Jafarpour, Alireza Radyn-Majd, Hamed Hosseinikhah-Manshadi
PURPOSE: To evaluate and compare early postoperative pain after photorefractive keratectomy (PRK) and corneal crosslinking (CXL). SETTING: Khatam-al-Anbia Eye Hospital, Mashhad, Iran. DESIGN: Prospective case series. METHODS: The PRK group included patients with simple refractive errors whereas the CXL group included patients with clinical keratoconus. The groups were compared regarding the level of pain based on the visual analogue scale (VAS), verbal rating scale (VRS), and Wong-Baker FACES pain rating scale immediately after surgery, 6 hours postoperatively, and 1, 3, and 7 days postoperatively...
May 9, 2018: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/29751165/no-association-between-consumption-of-sweetened-beverages-and-later-risk-of-crohn-s-disease-or-ulcerative-colitis
#19
Hamed Khalili, Niclas Hakansson, Simon S Chan, Jonas F Ludvigsson, Ola Olen, Andrew T Chan, Andrew R Hart, Alicja Wolk
BACKGROUND & AIMS: Consumption of sweetened beverages has been associated with inflammation, based on measurements of C-reactive protein and tumor necrosis factor, as well as immune-mediated disorders including rheumatoid arthritis. We investigated associations with Crohn's disease (CD) or ulcerative colitis (UC). METHODS: We conducted a prospective cohort study of 83,042 participants (44-83 years old) enrolled in the Cohort of Swedish Men or the Swedish Mammography Study...
May 8, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29750866/luminescent-gold-nanocluster-decorated-polymeric-hybrid-particles-with-assembly-induced-emission
#20
Mathew T Hembury, Nataliia Beztsinna, Hamed Asadi, Joep van den Dikkenberg, Johannes D Meeldijk, Wim E Hennink, Tina Vermonden
Ultrasmall gold atom clusters (< 2 nm in diameter) or gold nanoclusters exhibit emergent photonic properties (near-infrared absorption and emission) compared to larger plasmonic gold particles, due to the significant quantization of their conduction band. While single gold nanoclusters properties and applications are being increasingly investigated, little is still known about their behaviour and properties when assembled into suprastructures and even less studies are investigating their use for biomedical applications...
May 11, 2018: Biomacromolecules
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