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https://www.readbyqxmd.com/read/28548683/secondary-rim-%C3%AE-cyclodextrin-functionalization-to-conjugate-with-c60-improved-efficacy-as-photosensitizer
#1
Xiaolei Zhu, Annamaria Quaranta, René Bensasson, Matthieu Sollogoub, Yongmin Zhang
DIBAL-H-mediated demethylation provides a novel entry to secondary rim functionalized γ-CD. 2A,3B-dihydroxyl-per-O-methylated-γ-cyclodextrin has been obtained, whose conjugation with C60 allows the access to the most water-soluble C60 conjugate described so far. The water-solubility 0.12 M (550 mg/mL) is 150 times higher than that of native γ-CD/ C60 complex. Its singlet oxygen (¹O₂) quantum yield is 0.39, an increase by one or two orders of magnitude compared to that of α(β)CD-C60 conjugates.
May 26, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28546841/the-effect-of-cyclodextrin-complexation-on-the-solubility-and-photostability-of-nerolidol-as-pure-compound-and-as-main-constituent-of-cabreuva-essential-oil
#2
Joyce Azzi, Pierre-Edouard Danjou, David Landy, Steven Ruellan, Lizette Auezova, Hélène Greige-Gerges, Sophie Fourmentin
Nerolidol (Ner), a major component of many plant essential oils, is known for its various biological properties. However, the low solubility of Ner in water and its susceptibility to degradation limit its application. The aim of our study was to improve the solubility and photostability of Ner through its encapsulation in different cyclodextrins (CDs). The formation constants of cis-, trans-Ner and their commercial mixture with various CDs (α-CD, β-CD, γ-CD, HP-β-CD, RAMEB, CRYSMEB and SBE-β-CD) were determined by phase solubility studies and confirmed by the spectral displacement UV-visible method...
2017: Beilstein Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28544089/benign-atrophic-papulosis-k%C3%A3-hlmeier-degos-disease-the-wedge-shaped-dermal-necrosis-can-resolve-with-time
#3
Christos C Zouboulis, Athanasios Theodoridis, Martina Brunner, Cynthia M Magro
BACKGROUND: Atrophic papulosis is a rare thrombo-occlusive disease, characterized by the appearance of multiple atrophic porcelain-white skin papules, with a surrounding erythematous rim, which are histologically consisting of wedge-shaped necrosis of the dermis. OBJECTIVE: It consists of two variants: a) the benign atrophic papulosis (BAP) only involving the skin and b) the malignant atrophic papulosis (MAP) also involving several internal organs with a cumulative 5-year survival rate of approx...
May 23, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28543614/capillarys-2-flex-piercing-analytical-performance-assessment-according-to-clsi-protocols-for-hba1c-quantification
#4
Radhouene Doggui, Chaïma Abdelhafidh Sahli, Wassef Lotfi Aissa, Maroua Hammami, Maha Ben Sedrine, Rahma Mahjoub, Khemais Zouaoui, Rim Daboubi, Hajer Siala, Taieb Messaoud, Amina Bibi
HbA1c is used for monitoring diabetic balance. In this paper we report an assessment of the analytical performances of Capillarys 2 Flex Piercing (C2FP) for HbA1c measurement using CE (Capillary Electrophoresis). CLSI (Clinical and Laboratory Standard Institute) protocols are used for the evaluation of apparatus performances: precision, linearity, method comparison, truness and common interferences. HbA1c CVs average in intra-assay was 1.6% between run imprecision CV ranged from0.1 to 1.8%. The linearity was demonstrated between 4...
May 19, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28542372/revision-of-encapsulated-blebs-after-trabeculectomy-long-term-comparison-of-standard-bleb-needling-and-modified-needling-procedure-combined-with-transconjunctival-scleral-flap-sutures
#5
P Laspas, P D Culmann, F H Grus, V Prokosch-Willing, A Poplawksi, N Pfeiffer, E M Hoffmann
PURPOSE: To compare two surgical approaches for treating encapsulated blebs after trabeculectomy with mitomycin C, in terms of the development of intraocular pressure and progression of glaucoma in a long-term follow up: 1. bleb needling alone vs. 2. a combined approach of needling with additional transconjunctival scleral flap sutures, to prevent early ocular hypotony. METHODS: Forty-six patients with failing blebs after trabeculectomy with mitomycin C were enrolled in this study...
2017: PloS One
https://www.readbyqxmd.com/read/28542297/rim-sign-and-histogram-analysis-of-apparent-diffusion-coefficient-values-on-diffusion-weighted-mri-in-triple-negative-breast-cancer-comparison-with-er-positive-subtype
#6
Yangsean Choi, Sung Hun Kim, In Kyung Youn, Bong Joo Kang, Woo-Chan Park, Ahwon Lee
PURPOSE: To investigate associations between the clinicopathologic features and MRI features of triple-negative breast cancer (TNBC) and ER-positive breast cancer (BC) via apparent diffusion coefficient (ADC) histogram analysis. MATERIALS AND METHODS: In this study, 221 breast cancer patients with pre-operative MRI performed from August 2009 to March 2015 were included in a retrospective analysis. All patients had a pathologically confirmed diagnosis of invasive carcinoma and were grouped into ER-positive (149) or triple-negative (72) subtypes...
2017: PloS One
https://www.readbyqxmd.com/read/28540798/pathological-effects-of-lung-radiofrequency-ablation-that-contribute-to-pneumothorax-using-a-porcine-model
#7
Jean Izaaryene, Frederic Cohen, Philippe Souteyrand, Pierre-Henri Rolland, Vincent Vidal, Jean-Michel Bartoli, Veronique Secq, Jean-Yves Gaubert
OBJECTIVES: The incidence of pneumothorax is 7 times higher after lung radiofrequency ablation (RFA) than after lung biopsy. The reasons for such a difference have never been objectified. The histopathologic changes in lung tissue are well-studied and established for RF in the ablation zone. However, it has not been previously described what the nature of thermal injury might be along the shaft of the RF electrode as it traverses through normal lung tissue to reach the ablation zone. The purpose of this study was to determine the changes occurring around the RF needle along the pathway between the ablated zone and the pleura...
April 17, 2017: International Journal of Hyperthermia
https://www.readbyqxmd.com/read/28540399/ultrasonographic-assessment-of-differential-diagnosis-between-degenerating-cystic-thyroid-nodules-and-papillary-thyroid-microcarcinomas
#8
Yan Peng, Wei Zhou, Wei Wei Zhan, Shang Yan Xu
PURPOSE: To enhance the diagnostic accuracy of conventional ultrasonography in differentiating papillary thyroid microcarcinomas (PTMCs) from degenerating cystic thyroid nodules mimicking malignancy (under 10 mm in diameter). METHODS: A retrospective analysis of hypoechoic thyroid nodules under 10 mm between 162 cases of degenerating cystic thyroid nodules confirmed by ultrasound-guided fine-needle aspiration (US-FNA) and 150 cases of PTMCs confirmed by both US-FNA and postoperative pathology were performed in the aspects of shape, margin, calcification, and vascularity...
May 24, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28540372/bis-and-mono-m-benzoic-acid-functionalized-pillar-5-arenes
#9
Xin-Lang Wu, Yi Chen, Wen-Jing Hu, Yahu A Liu, Xue-Shun Jia, Jiu-Sheng Li, Biao Jiang, Ke Wen
Installation of m-benzoic acid functionalities on pillar[5]arene rims resulted in bis- and mono(m-benzoic acid)-functionalized pillar[5]arenes 1 and 2. Bis(m-benzoic acid)-functionalized pillar[5]arene 1 was able to self-assemble to form one-dimensional channels with DMF molecules residing in pillar[5]arene cavities. Esterification of two carboxylic acids in 1 with decane-1,10-diol did not afford a [1]catenane, but a bicyclic compound. Although 1-decanol esterification of mono(m-benzoic acid)-functionalized pillar[5]arene 2 did not form a self-included [1]pseudorotaxane-like structure, a mono(decyl m-benzoate)-functionalized pillar[5]arene bearing an ethyl acetate chain was found to form a self-included complex with the ethyl acetate moiety residing inside the pillar[5]arene cavity...
May 25, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28538334/influence-of-optic-disc-size-on-identifying-glaucomatous-optic-neuropathy
#10
Gregory J Nixon, Ronald K Watanabe, Michael Sullivan-Mee, Anthony DeWilde, Lisa Young, G Lynn Mitchell
PURPOSE: The aim of this study was to use a large group of observers to test prior research findings that suggest optic disc size, clinical evaluation of the neuroretinal rim (ISNT rule), and practitioner characteristics influence the accuracy of differentiating normal from glaucomatous optic nerves. METHODS: Participant observers were optometrists, optometry students, and vision scientists/researchers attending the 2013 American Academy of Optometry Annual Meeting...
June 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28538068/clinical-and-cephalometric-analysis-of-facial-soft-tissue
#11
Jeseok Oh, Jeong Joon Han, Sun-Youl Ryu, Hee-Kyun Oh, Min-Suk Kook, Seunggon Jung, Hong-Ju Park
OBJECTIVE: This study aimed to provide average of standard values in planning orthognathic surgery in Asians. MATERIALS AND METHODS: Thirty-three Asians with well-balanced facial profile, combined with class I occlusion and stabilized condylar head were evaluated using lateral cephalograms. RESULTS: Facial length (Nasion'-Menton') was 138.8 and 127.0 mm in male and female, respectively. Upper and lower lip length were 24.5 and 49.8 mm for male, and 22...
May 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28535007/protective-effect-of-salvia-miltiorrhiza-bunge-on-5-fluorouracil-induced-oral-mucositis
#12
Do Rim Kim, Jinsung Kim, Ja Young Oh, Ha Young Kim, Young Joo Kim, Mun Seog Chang
Oral mucositis is a common side-effect caused by chemotherapy or radiotherapy occurring in the majority of cancer patients and is characterized by inflammation and ulcers in the oral mucosa. In the present study, we examined the protective effects of Salvia miltiorrhiza Bunge (SM) on oral mucositis induced by 5-fluorouracil (5-FU) in human pharyngeal cells and golden Syrian hamsters. We investigated the proliferation and antioxidant abilities of SM using MTT, 2-diphenyl-1-picrylhydrazyl (DPPH) and reactive oxygen species (ROS) assays in vitro...
May 23, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28533596/the-ratio-of-medial-and-lateral-hamstring-muscle-thickness-does-not-correlate-with-the-lateral-tibial-rotation-angle-in-the-standing-position-in-healthy-young-adults
#13
Dong-Soo Lee, Sung-Dae Choung, Seung-Won Lee, Hye Rim Suh, Jae-Hoon Shim
[Purpose] To investigate the relationship between the lateral tibial rotation angle during knee joint flexion and the medial and lateral hamstring muscle thickness ratio during knee joint extension while resting, doing nothing, in upright standing position. The lateral tibial torsion is an important factor of orthopedic knee joint diseases as well as other weight bearing joint diseases such as osteoarthritis, meniscus syndrome, anterior cruciate ligament rupture, etc. [Subjects and Methods] Thirty healthy young adults participated in this study...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28533542/regulation-of-gvbd-in-mouse-oocytes-by-mir-125a-3p-and-fyn-kinase-through-modulation-of-actin-filaments
#14
Hadas Grossman, Efrat Har-Paz, Natalie Gindi, Mattan Levi, Irit Miller, Nava Nevo, Dalia Galiani, Nava Dekel, Ruth Shalgi
Meiotically arrested oocytes are characterized by the presence of the nuclear structure known as germinal-vesicle (GV), the breakdown of which (GVBD) is associated with resumption of meiosis. Fyn is a pivotal factor in resumption of the first meiotic division; its inhibition markedly decreases the fraction of oocytes undergoing GVBD. Here, we reveal that in mouse oocytes Fyn is post-transcriptionally regulated by miR-125a-3p. We demonstrate that in oocytes resuming meiosis miR-125a-3p and Fyn exhibit a reciprocal expression pattern; miR-125a-3p decreases alongside with an increase in Fyn expression...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28532926/sequential-segmental-terminal-lenticular-side-cut-dissection-for-safe-and-effective-small-incision-lenticule-extraction-in-thin-lenticules
#15
Soosan Jacob, Amar Agarwal, Cosimo Mazzotta, Athiya Agarwal, John Michael Raj
Small-incision lenticule extraction may be associated with complications such as partial lenticular dissection, torn lenticule, lenticular adherence to cap, torn cap, and sub-cap epithelial ingrowth, some of which are more likely to occur during low-myopia corrections. We describe sequential segmental terminal lenticular side-cut dissection to facilitate minimally traumatic and smooth lenticular extraction. Anterior lamellar dissection is followed by central posterior lamellar dissection, leaving a thin peripheral rim and avoiding the lenticular side cut...
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28530817/inherently-chiral-upper-rim-bridged-calix-4-arenes-possessing-a-seven-membered-ring
#16
Martin Tlustý, Petr Slavík, Michal Kohout, Václav Eigner, Pavel Lhoták
The mercuration of calix[4]arene immobilized in the cone conformation allowed the introduction of an amino group at the meta position of the basic skeleton. Acylation and subsequent intramolecular Bischler-Napieralski-type cyclization led to a novel type of bridged calixarene containing a seven-membered ring. These compounds with an enlarged and rigidified cavity represent a unique and inherently chiral system that may potentially be applicable for the design of chiral receptors. The absolute configuration of one enantiomer, obtained by resolution of the racemate using chiral HPLC, was assigned by single-crystal structure determination...
May 22, 2017: Organic Letters
https://www.readbyqxmd.com/read/28530285/one-step-formulation-of-nonionic-surfactant-bicelles-nsbs-by-a-double-tailed-polyglycerol-type-nonionic-surfactant
#17
Kenji Aramaki, Chikahiro Iwata, Jitendra Mata, Tetsuya Maehara, Daisuke Aburano, Yuichi Sakanishi, Kyuhei Kitao
Bicelles are generally formed by phospholipid-based systems and are useful for various applications, such as nanocarriers or membrane protein crystallization. The same disc-like assemblies, nonionic surfactant bicelles (NSBs), can also be formed using nonionic amphiphiles, but this has not been reported extensively. We report a novel NSB system that employs the double-tailed nonionic amphiphile, polyglyceryl dialkyl ether (C12CmGn), which has two alkyl chains and a polyglyceryl group. A symmetric-tail molecule, C12C12G13...
May 22, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28530282/covalent-capture-of-oriented-calix-6-arene-rotaxanes-by-a-metal-free-active-template-approach
#18
Guido Orlandini, Giulio Ragazzon, Valeria Zanichelli, Andrea Secchi, Serena Silvi, Margherita Venturi, Arturo Arduini, Alberto Credi
We describe the active template effect of a calix[6]arene host towards the alkylation of a complexed pyridylpyridinium guest. The acceleration of the reaction within the cavity is significant and rim-selective, enabling the efficient preparation of rotaxanes with full control of the mutual orientation of their nonsymmetric components.
May 22, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28530030/data-sharing-a-new-editorial-initiative-of-the-international-committee-of-medical-journal-editors-implications-for-the-editors-network
#19
Fernando Alfonso, Karlen Adamyan, Jean-Yves Artigou, Michael Aschermann, Michael Boehm, Alfonso Buendia, Pao-Hsien Chu, Ariel Cohen, Livio Dei Cas, Mirza Dilic, Anton Doubell, Dario Echeverri, Nuray Enç, Ignacio Ferreira-González, Krzysztof J Filipiak, Andreas Flammer, Eckart Fleck, Plamen Gatzov, Carmen Ginghina, Lino Goncalves, Habib Haouala, Mahmoud Hassanein, Gerd Heusch, Kurt Huber, Ivan Hulín, Mario Ivanusa, Rungroj Krittayaphong, Chu-Pak Lau, Germanas Marinskis, François Mach, Luiz Felipe Moreira, Tuomo Nieminen, Latifa Oukerraj, Stefan Perings, Luc Pierard, Tatjana Potpara, Walter Reyes-Caorsi, Se-Joong Rim, Olaf Rødevand, Georges Saade, Mikael Sander, Evgeny Shlyakhto, Bilgin Timuralp, Dimitris Tousoulis, Dilek Ural, J J Piek, Albert Varga, Thomas F Lüscher
The International Committee of Medical Journal Editors (ICMJE) provides recommendations to improve the editorial standards and scientific quality of biomedical journals. These recommendations range from uniform technical requirements to more complex and elusive editorial issues including ethical aspects of the scientific process. Recently, registration of clinical trials, conflicts of interest disclosure, and new criteria for authorship - emphasizing the importance of responsibility and accountability - have been proposed...
2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28529662/femoral-and-acetabular-re-alignment-in-slipped-capital-femoral-epiphysis
#20
M Leunig, H M Manner, L Turchetto, R Ganz
NEW PATHOPHYSIOLOGICAL INSIGHTS: Based on improved knowledge of the vascular supply of the proximal femur, a safe surgical dislocation of the hip joint was established allowing direct insights to the pathomorphological malfunctioning of the joint. One insight was that slipped capital femoral epiphysis (SCFE) impingement leads to substantial damage of the chondrolabral rim area, even in the presence of minor slips. A further surgical development was the extended retinacular flap allowing for correction of the deformity with calculable risk for iatrogenic necrosis...
April 2017: Journal of Children's Orthopaedics
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