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https://www.readbyqxmd.com/read/28107711/the-influence-of-dissolved-si-on-ni-precipitate-formation-at-the-kaolinite-water-interface-kinetics-drs-and-exafs-analysis
#1
Xiaoli Tan, Ge Liu, Huiyang Mei, Ming Fang, Xuemei Ren, Changlun Chen
Unraveling the formation process of Ni precipitates at molecular scale is important for understanding the fate and mobility of Ni species in the real environment. Dissolved Si presents in the natural environment ubiquitously, which can alter Ni sorption as well as incorporation into neoformed precipitates. Batch experiments show that the dissolved Si leads to a rapid increase in the Ni sorption rate and interferes with the formation of Ni precipitates. The results of diffuse reflectance spectroscopy (DRS) and extended X-ray absorption fine structure (EXAFS) spectroscopy analyses suggest that the nucleation of a (Ni,Al) phyllosilicate phase involves a kaolinite-like local structure...
January 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28107696/a-mini-review-of-c-met-as-a-potential-therapeutic-target-in-melanoma
#2
REVIEW
Doa'a G F Al-U'datt, Belal A A Al-Husein, Ghazi Raji Qasaimeh
Melanoma is the third highest rated cancer in prevalence. Surgery, radiotherapy and targeted/biological therapies in addition to chemotherapy are available options for management of this cancer. Met is an appealing target for management of this type of cancer, since it targets many cancer vital processors, such as angiogenesis, cell growth, scattering and differentiation. In this review, we provide an overview about pathway abnormalities associated with melanoma. We also provide a summary about the events involved in Met signaling and related signaling molecules...
January 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28107651/one-ring-to-fight-them-all-the-sulfazecin-story
#3
Daniel Braga, Gerald Lackner
In this issue of Cell Chemical Biology, Li et al. (2017) report on the biosynthesis of the monobactam sulfazecin by Pseudomonas acidophila and hypothesize a novel mechanism of β-lactam ring formation. As monobactam antibiotics are unaffected by some emerging resistance mechanisms (particularly metallo-β-lactamases), this discovery opens prospects to engineer β-lactam antibiotics against multi-drug resistant pathogens.
January 19, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/28107645/a-cu-rious-ribosomal-profiling-pattern-leads-to-the-discovery-of-ribosomal-frameshifting-in-the-synthesis-of-a-copper-chaperone
#4
John F Atkins, Gary Loughran, Pavel V Baranov
In many bacteria, separate genes encode a copper binding chaperone and a copper efflux pump, but in some the chaperone encoding gene has been elusive. In this issue of Molecular Cell, Meydan et al. (2017) report that ribosomes translating the ORF that encodes the copper pump frequently frameshift and terminate to produce the copper chaperone.
January 19, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28107597/viral-warts-and-seborrheic-keratoses-on-tattoos-a-review-of-9-cases
#5
Nicolas Kluger
We wish to add to the recent article by Ramley et al(1) our experience on 8 cases of viral warts and one case of seborrheic keratosis (SK) on tattoos. Those cases were collected with the help of dermatologists and family doctors between 2007 and 2016. We reviewed the demographic data, delay of onset after tattooing, clinical presentation and outcomes whenever possible. The number of lesions was counted manually from the available pictures. This article is protected by copyright. All rights reserved.
January 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28107593/patient-satisfaction-in-dermatology
#6
Emilie Brenaut, Claire-Alice De Salins, Laurent Misery, Anne-Marie Roguedas-Contios
We are pleased that there is a growing interest from doctors in patient'satisfaction. According to PubMed data and the key words 'patient' AND 'satisfaction', we found an impressive increase of the number of articles, from 179 in 1985 to 7,211 in 2015. We were highly interested by the lecture of the letter « Patient satisfaction and the waiting room in Mohs surgery: appropriate pre-warning may abrogate boredorm » from F.R. Ali, F. Al-Niaimi, E.E. Craythorne, R. Patalay and R. Mallipeddi and thank them for their interest in our paper...
January 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28107592/psoriasis-and-palmoplantar-pustulosis-an-endless-debate
#7
Alexandra Maria Giovanna Brunasso, Cesare Massone
Since 2007, palmoplantar pustulosis (PPP) has been classified as a separate entity and not a clinical variant of psoriasis despite the presence of certain phenotypes common in both diseases.(1) We read with interest the review by Misiak-Galazka et al., and we found that even after the extensive work (inclusion of 65 articles), some relevant data are missing.(1-3) The clue question remains the following: Is palmoplantar pustulosis (PPP) closely related to psoriasis or is PPP a separate condition? Herein we will systematically review the literature searching for frequency of psoriasis in PPP patients and we will discuss new genetic insights that connect PPP and psoriasis vulgaris...
January 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28107578/patient-satisfaction-and-the-waiting-room-in-mohs-surgery-appropriate-pre-warning-may-abrogate-boredom
#8
F R Ali, F Al-Niaimi, E E Craythorne, R Patalay, R Mallipeddi
Patient satisfaction in dermatology consultations has rightly been afforded attention by De Salins and colleagues.(1) When considering the patient journey through an outpatient appointment, a significant proportion of time is spent in the waiting room, a period which is poorly understood and may contribute to patient anxiety and perceived satisfaction with treatment.(2) In our outpatient Mohs micrographic surgery (MMS) unit, patients may be waiting for several hours in total whilst histological specimens are processed and analysed, prior to reconstruction, particularly if multiple MMS stages are needed...
January 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28107340/association-of-diabetes-related-complications-with-heart-rate-variability-among-a-diabetic-population-in-the-uae
#9
Ahsan H Khandoker, Haitham M Al-Angari, Kinda Khalaf, Sungmun Lee, Wael Almahmeed, Habiba S Al Safar, Herbert F Jelinek
Microvascular, macrovascular and neurological complications are the key causes of morbidity and mortality among type II diabetes mellitus (T2DM) patients. The aim of this study was to investigate the alterations of cardiac autonomic function of diabetic patients in relation to three types of diabetes-related complications. ECG recordings were collected and analyzed from 169 T2DM patients in supine position who were diagnosed with nephropathy (n = 55), peripheral neuropathy (n = 64) and retinopathy (n = 106) at two hospitals in the UAE...
2017: PloS One
https://www.readbyqxmd.com/read/28107223/response-to-the-letter-to-the-editor-by-weberpals-et-al-on-our-article-entitled-%C3%AE-blocker-use-and-mortality-in-cancer-patients-systematic-review-and-meta-analysis-of-observational-studies
#10
Shanliang Zhong, Jianhua Zhao
No abstract text is available yet for this article.
March 2017: European Journal of Cancer Prevention
https://www.readbyqxmd.com/read/28106856/green-synthesis-and-characterization-of-palladium-nanoparticles-using-origanum-vulgare-l-extract-and-their-catalytic-activity
#11
Mohammed Rafi Shaik, Zuhur Jameel Qandeel Ali, Mujeeb Khan, Mufsir Kuniyil, Mohamed E Assal, Hamad Z Alkhathlan, Abdulrahman Al-Warthan, Mohammed Rafiq H Siddiqui, Merajuddin Khan, Syed Farooq Adil
The synthesis of Palladium (Pd) nanoparticles by green methods has attracted remarkable attention in recent years because of its superiority above chemical approaches, owing to its low cost and ecological compatibility. In this present work, we describe a facile and environmentally friendly synthesis of Pd nanoparticles (Pd NPs) using an aqueous extract of aerial parts of Origanum vulgare L. (OV) as a bioreductant. This plant is available in many parts of the world as well as in Saudi Arabia and is known to be a rich source of phenolic components, a feature we fruitfully utilized in the synthesis of Pd NPs, using various concentrations of plant extracts...
January 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28106817/value-based-caching-in-information-centric-wireless-body-area-networks
#12
Fadi M Al-Turjman, Muhammad Imran, Athanasios V Vasilakos
We propose a resilient cache replacement approach based on a Value of sensed Information (VoI) policy. To resolve and fetch content when the origin is not available due to isolated in-network nodes (fragmentation) and harsh operational conditions, we exploit a content caching approach. Our approach depends on four functional parameters in sensory Wireless Body Area Networks (WBANs). These four parameters are: age of data based on periodic request, popularity of on-demand requests, communication interference cost, and the duration for which the sensor node is required to operate in active mode to capture the sensed readings...
January 19, 2017: Sensors
https://www.readbyqxmd.com/read/28106775/colloidal-fouling-of-nanofiltration-membranes-development-of-a-standard-operating-procedure
#13
Md Abdullaha Al Mamun, Subir Bhattacharjee, David Pernitsky, Mohtada Sadrzadeh
Fouling of nanofiltration (NF) membranes is the most significant obstacle to the development of a sustainable and energy-efficient NF process. Colloidal fouling and performance decline in NF processes is complex due to the combination of cake formation and salt concentration polarization effects, which are influenced by the properties of the colloids and the membrane, the operating conditions of the test, and the solution chemistry. Although numerous studies have been conducted to investigate the influence of these parameters on the performance of the NF process, the importance of membrane preconditioning (e...
January 18, 2017: Membranes
https://www.readbyqxmd.com/read/28106757/new-enzyme-inhibitory-triterpenoid-from-marine-macro-brown-alga-padina-boergesenii-allender-kraft
#14
Liaqat Ali, Abdul Latif Khan, Muhammad Al-Broumi, Rashid Al-Harrasi, Lubna Al-Kharusi, Javid Hussain, Ahmed Al-Harrasi
In continuation to our study of the chemical and biological potential of the secondary metabolites isolated from Omani seaweeds, we investigated a marine brown alga, Padina boergesenii. The phytochemical investigation resulted in the isolation of a new secondary metabolite, padinolic acid (1), along with some other semi-pure fractions and sub-fractions. The planar structure was confirmed through MS and NMR (1D and 2D) spectral data. The NOESY experiments coupled with the biogenetic consideration were helpful in assigning the stereochemistry in the molecule...
January 18, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28106730/coutinho-et-al-less-is-more-substrate-reduction-therapy-for-lysosomal-storage-disorders-int-j-mol-sci-2016-17-1065
#15
Maria Francisca Coutinho, Juliana Inês Santos, Sandra Alves
n/a.
January 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106691/review-of-what-are-the-principles-that-guide-behaviors-in-the-operating-room-creating-a-framework-to-define-and-measure-performance-by-madani-a-vassiliou-mc-watanabe-y-al-halabi-b-al-rowais-ms-deckelbaum-dl-fried-gm-feldman-ls-in-ann-surg-265-255-267-2017
#16
https://www.readbyqxmd.com/read/28106536/the-kip-cip-family-members-p21-waf1-cip1-and-p57-kip2-as-diagnostic-markers-for-breast-cancer
#17
Samir F Zohny, Othman A Baothman, Mohamed El-Shinawi, Abdulrahman L Al-Malki, Mazin A Zamzami, Hani Choudhry
OBJECTIVE: We examined the expression status of p21^{Waf1/Cip1} and p57^{Kip2} in breast cancer as well as their relationship with clinicopathological factors. Moreover, the diagnostic value of gene promoter methylation of p21^Waf1/Cip1 and p57^Kip2 were assessed in breast cancer patients. METHODS: This study involved 85 patients diagnosed with breast cancer and 36 patients with benign breast lesions. The expression of p21^{Waf1/Cip1} and p57^{Kip2} in cell lysates was analyzed by ELISA and Western blot, respectively...
January 13, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28106480/radio-pathological-correlation-of-organising-pneumonia-op-a-pictorial-review
#18
Mohammad Zare Mehrjardi, Shahram Kahkouee, Mihan Pourabdollah
Since the description of cryptogenic organising pneumonia (COP) in 1983 by Davison et al. and the subsequent report on bronchiolitis obliterans organising pneumonia (BOOP) by Epler et al., some reports have been published regarding the imaging features of organising pneumonia (OP). In this pictorial review, we aim to describe different manifestations of OP on high-resolution computed tomography (HRCT) accompanied by their histopathological correlations for a better comprehension of the radiological findings pathomechanism...
January 20, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28106417/chaos-and-regularity-in-the-doubly-magic-nucleus-208-pb
#19
B Dietz, A Heusler, K H Maier, A Richter, B A Brown
High-resolution experiments have recently lead to a complete identification (energy, spin, and parity) of 151 nuclear levels up to an excitation energy of E_{x}=6.20  MeV in ^{208}Pb [Heusler et al., Phys. Rev. C 93, 054321 (2016)PRVCAN2469-998510.1103/PhysRevC.93.054321]. We present a thorough study of the fluctuation properties in the energy spectra of the unprecedented set of nuclear bound states. In a first approach, we group states with the same spin and parity into 14 subspectra, analyze standard statistical measures for short- and long-range correlations, i...
January 6, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28106362/dibenzothiophene-s-s-dioxide-and-bispyridinium-based-cationic-polyfluorene-derivative-as-an-efficient-cathode-modifier-for-polymer-solar-cells
#20
Guiting Chen, Sha Liu, Jin Xu, Ruifeng He, Zhicai He, Hongbin Wu, Wei Yang, Bin Zhang, Yong Cao
A novel n-type conjugated polymer containing dibenzothiophene-S,S-dioxide (FSO), bispyridinium, and fluorene scaffolds in the backbone (PFSOPyCl) was synthesized and used in the cathode interfacial layers (CILs) of conventional polymer solar cells (PSCs). The high electron affinities and large planar structures of the FSO and bispyridinium units endowed this polymer with good energy level alignments with [6,6]-phenyl-C71 butyric acid methyl ester (PC71BM) and metal cathode, and excellent electron transport and extraction properties...
January 20, 2017: ACS Applied Materials & Interfaces
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