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https://www.readbyqxmd.com/read/28448389/long-term-results-after-oncoplastic-surgery-for-breast-cancer-a-10-year-follow-up
#1
Krishna B Clough, Raquel F D van la Parra, Helene H Thygesen, Eric Levy, Elisabeth Russ, Najeeb M Halabi, Isabelle Sarfati, Claude Nos
OBJECTIVE: The aim of this study was to evaluate the long-term oncologic outcome after oncoplastic surgery (OPS). BACKGROUND: OPS combines wide tumor excision with reduction mammoplasty techniques thus extending breast conserving surgery to large tumors that might else be proposed a mastectomy. Little data are available about the oncologic results for breast conserving surgery of these larger tumors. METHODS: From January 2004 until March 2016, a total of 350 oncoplastic breast reductions were prospectively entered into a database...
April 26, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28447776/investigation-of-the-changes-in-electronic-properties-of-nickel-oxide-niox-due-to-uv-ozone-treatment
#2
Raisul Islam, Gang Chen, Pranav Ramesh, Junkyo Suh, Nobi Fuchigami, Donovan Lee, Karl A Littau, Kurt Weiner, Reuben T Collins, Krishna C Saraswat
Drastic reduction in nickel oxide (NiOx) film resistivity and ionization potential is observed when subjected to ultraviolet (UV)/ ozone (O3) treatment. X-ray photoemission spectroscopy suggests that UV/O3 treatment changes the film stoichiometry by introducing Ni vacancy defects. Oxygen-rich NiOx having Ni vacancy defects behaves as a p type semiconductor. Therefore, in this work, a simple and effective technique to introduce doping in NiOx is shown. Angle resolved XPS reveals that the effect of UV/O3 treatment does not only alter the film surface property, but also introduces oxygen-rich stoichiometry throughout the depth of the film...
April 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28447462/i2-catalyzed-oxidative-n-s-bond-formation-metal-free-regiospecific-synthesis-of-n-fused-and-3-4-disubstituted-5-imino-1-2-4-thiadiazoles
#3
Nagaraju Tumula, Nagesh Jatangi, Radha Krishna Palakodety, Sridhar Balasubramanian, Mangarao Nakka
A novel and expeditious approach to the synthesis of N-fused and 3,4-disubstituted 5-imino-1,2,4-thiadiazole derivatives has been achieved through the molecular iodine-catalyzed oxidative cyclization of 2-aminopyridine/amidine and isothiocyanate via N-S bond formation at ambient temperature. The present one-pot transition-metal-free protocol provides the facile and highly efficient regiospecific synthesis of various 1,2,4-thiadiazole derivatives in a scaled-up manner with good to excellent yields using inexpensive I2 as a catalyst...
April 27, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28445857/binding-of-resveratrol-to-the-minor-groove-of-dna-sequences-with-aatt-and-ttaa-segments-induces-differential-stability
#4
Maya S Nair, Samar D'Mello, Rashmi Pant, Krishna Mohan Poluri
Interactions of a natural stilbene compound, resveratrol with two DNA sequences containing AATT/TTAA segments have been studied. Resveratrol is found to interact with both the sequences. The mode of interaction has been studied using absorption, steady state fluorescence and circular dichroism spectroscopic techniques. UV-visible absorption and fluorescence studies provided the information regarding the binding constants and the stoichiometry of binding, whereas circular dichroism studies depicted the structural changes in DNA upon resveratrol binding...
April 18, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28445205/inhibition-of-microrna-429-in-the-renal-medulla-increased-salt-sensitivity-of-blood-pressure-in-sprague-dawley-rats
#5
Qing Zhu, Junping Hu, Lei Wang, Weili Wang, Zhengchao Wang, Pin-Lan Li, Krishna M Boini, Ningjun Li
BACKGROUND: We have previously shown that high salt intake suppresses the expression of prolyl hydroxylase domain-containing protein 2 (PHD2), an enzyme promoting the degradation of hypoxia-inducible factor (HIF)-1α, and increases HIF-1α along with its target genes in the renal medulla, which promotes sodium excretion and regulate salt sensitivity of blood pressure. However, it remains unknown how high salt inhibits the expression of PHD2. METHOD AND RESULTS: The current study first revealed that high-salt-induced PHD2 inhibition was due to the enhanced decay of mRNA...
April 25, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28444509/impact-of-an-endoscopic-quality-improvement-program-focused-on-adenoma-detection-on-sessile-serrated-adenoma-polyp-detection
#6
Ronald G Racho, Murli Krishna, Susan G Coe, Colleen S Thomas, Julia E Crook, Nancy N Diehl, Michael B Wallace
BACKGROUND: Sessile serrated adenomas/polyps (SSA/P) are an under-recognized disease with a unique malignant pathway. Improved endoscopic recognition and pathological interpretation is needed. AIMS: To determine whether an educational intervention that improved adenoma detection rate (ADR) could improve SSA/P detection rate after reclassification of previously termed "hyperplastic" polyps. METHODS: We reanalyzed data from a prospective randomized trial of an educational intervention aimed at increasing ADR...
April 25, 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28444376/management-of-patients-with-transposition-of-the-great-arteries-and-intact-interventricular-septum%C3%A2
#7
Arun Gopalakrishnan, Kavassery Mahadevan Krishnamoorthy, Krishna Kumar Mohanan Nair, Ajitkumar Valaparambil
No abstract text is available yet for this article.
April 21, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28443334/the-n-terminal-flanking-region-modulates-the-actin-binding-affinity-of-utrophin-tandem-calponin-homology-domain
#8
Surinder M Singh, Swati Bandi, Krishna M G Mallela
Despite sharing high sequence similarity, tandem calponin-homology (CH) domain of utrophin binds to actin 30 times stronger than that of dystrophin. We have previously shown that this difference in actin binding affinity could not be accounted by the differences in inter-CH-domain linkers (Bandi et al., Biochemistry, 54 (2015) 5480-5488). Here, we examined the role of the N-terminal flanking region. Utrophin tandem CH domain contains a 27-residue flanking region before its CH1 domain. We examined its effect by comparing the structure and function of full-length utrophin tandem CH domain Utr(1-261) and its truncated construct Utr(28-261)...
April 26, 2017: Biochemistry
https://www.readbyqxmd.com/read/28443175/the-versatile-approach-a-novel-single-incision-combined-with-anterior-and-posterior-approaches-for-decompression-and-instrumented-fusion-to-treat-tuberculosis-of-the-thoracic-spine
#9
Sudhir Kumar Srivastava, Rishi Anil Aggarwal, Sunil Krishna Bhosale, Kunal Roy, Pradip Sharad Nemade
STUDY DESIGN: Retrospective case series. PURPOSE: To describe a novel single incision that combines anterior and posterior approaches for decompression and instrumented fusion to treat tuberculosis of the thoracic spine and study the neurological and radiological outcomes. OVERVIEW OF LITERATURE: Tuberculosis of the spine remains a major health issue in many developing countries. The options for treating tuberculosis of the thoracic spine include the anterior, posterior, and combined approaches, each with its advantages and disadvantages...
April 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28442963/sugammadex-to-reverse-neuromuscular-blockade-and-provide-optimal-conditions-for-motor-evoked-potential-monitoring
#10
Mehdi Trifa, Senthil Krishna, Ajay D'Mello, Mumin Hakim, Joseph Drew Tobias
Sugammadex is a novel pharmacologic agent, which reverses neuromuscular blockade (NMB) via a mechanism that differs completely from acetylcholinesterase inhibitors. By encapsulating rocuronium, sugammadex can provide recovery of neuromuscular function even when there is a profound degree of NMB. We report anecdotal experience with the use of sugammadex to reverse NMB to facilitate intraoperative neurophysiological monitoring (motor evoked potentials) in an adolescent with scoliosis during posterior spinal fusion...
April 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28442941/competency-based-tool-for-evaluation-of-community-based-training-in-undergraduate-medical-education-in-india-a-delphi-approach
#11
Hemant Deepak Shewade, Kathiresan Jeyashree, Selvaraj Kalaiselvi, Chinnakali Palanivel, Krishna Chandra Panigrahi
INTRODUCTION: A community-based training (CBT) program, where teaching and training are carried out in the community outside of the teaching hospital, is a vital part of undergraduate medical education. Worldwide, there is a shift to competency-based training, and CBT is no exception. We attempted to develop a tool that uses a competency-based approach for assessment of CBT. METHODS: Based on a review on competencies, we prepared a preliminary list of major domains with items under each domain...
2017: Advances in Medical Education and Practice
https://www.readbyqxmd.com/read/28442806/study-of-clinical-profile-of-herpes-zoster-in-human-immunodeficiency-virus-positive-and-negative-patients-at-a-rural-based-tertiary-care-center-gujarat
#12
Rita V Vora, Gopikrishnan Anjaneyan, Rahul Krishna S Kota, Abhishek P Pilani, Nilofar G Diwan, Nidhi N Patel
BACKGROUND: Herpes zoster usually presents with typically grouped vesicles on erythematous base involving single dermatome with self-limiting nature in immunocompetent individuals while it may present in extensive form involving multiple dermatomes involvement or disseminated form in immunocompromised, especially in human immunodeficiency virus (HIV). AIMS AND OBJECTIVES: The aim of this study was to study the prevalence of HIV in patients of herpes zoster, to compare the clinical presentation of herpes zoster in HIV-infected and noninfected patient...
January 2017: Indian Journal of Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28441579/geldanamycin-inspired-compounds-induce-direct-trans-differentiation-of-human-mesenchymal-stem-cells-to-neurons
#13
Srinivas Jogula, Anand Ram Soorneedi, Jagan Gaddam, Srinivas Chamakuri, Girdhar Singh Deora, Ranjith Kumar Indarapu, Murali Krishna Ramgopal, Subhadra Dravida, Prabhat Arya
Inspired from geldanamycin, the synthesis of a new series of 20-membered macrocyclic compounds is developed. The key features in our design are (i) retention of the fragment having the precise chiral functional groups of geldanamycin at C10, C11, C12 and C14, and (ii) replacement of an olefin moiety with the ester group, and the quinoid sub-structure with the triazole ring. The southern fragment needed for the macrocyclic ring formation was obtained from Evans' syn aldol as the key reaction and with the use of D-mannitol as the cheap source of a chiral starting material...
April 18, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28441541/molecular-interaction-of-2-4-diacetylphloroglucinol-dapg-with-human-serum-albumin-hsa-the-spectroscopic-calorimetric-and-computational-investigation
#14
Pragna Lakshmi T, Moumita Mondal, Krishna Ramadas, Sakthivel Natarajan
Drug molecule interaction with human serum albumin (HSA) affects the distribution and elimination of the drug. The compound, 2,4-diacetylphloroglucinol (DAPG) has been known for its antimicrobial, antiviral, antihelminthic and anticancer properties. However, its interaction with HSA is not yet reported. In this study, the interaction between HSA and DAPG was investigated through steady-state fluorescence, time-resolved fluorescence (TRF), circular dichroism (CD), Fourier transform infrared (FT-IR) spectroscopy, isothermal titration calorimetry (ITC), molecular docking and molecular dynamics simulation (MDS)...
April 18, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28440238/thermal-ablation-of-pancreatic-cyst-with-a-prototype-endoscopic-ultrasound-capable-radiofrequency-needle-device-a-pilot-feasibility-study
#15
Maria Moris, Mustafa Atar, Abdurrahman Kadayifci, Murli Krishna, Ariston Librero, Eugene Richie, William Brugge, Michael B Wallace
BACKGROUND AND OBJECTIVES: Pancreatic cysts are evaluated by endoscopic ultrasound and fine needle aspiration (EUS). The only accepted treatment is pancreatectomy, which is associated with morbidity and mortality. This study evaluated the optimal thermal dosimetry of a novel radiofrequency ablation device using a standard electrosurgical unit in ex vivo cyst models. METHODS: A modified EUS 22-gauge monopolar needle prototype with a tip electrode connected to a standard electrosurgical unit (Erbe USA, Marietta, GA, USA) was used to induce a subboiling point temperature...
March 2017: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/28440042/biodegradable-hydrogel-based-biomaterials-with-high-absorbent-properties-for-non-adherent-wound-dressing
#16
Alok Kumar, Xiang Wang, Krishna Chaitanya Nune, Rdk Misra
Dressing materials involve conventional gauzes and modern materials such as hydrogels and foam-based biomaterials. Although the choice of dressing material depends on the type of wound, a dressing material is expected to be non-cytotoxic. Additionally, moist dressing is considered appropriate to accelerate epithelialisation, while dry dressing may cause tissue damage during removal. An ideal dressing material is expected to provide a moist environment and degrade and release the drug for faster wound healing...
April 25, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28439165/single-injection-technique-prolotherapy-for-hypermobility-disorders-of-tmj-using-25%C3%A2-dextrose-a-clinical-study
#17
S K Majumdar, Shreya Krishna, Aritra Chatterjee, Rajib Chakraborty, Nazrealam Ansari
INTRODUCTION: Hypermobility disorders of the Temporomandibular joint (TMJ) can be treated by both conservative and surgical approaches. Conservative approaches should be considered as first line treatment for such disorders. Prolotherapy with 25 % dextrose being injected into the posterior pericapsular tissues is one such treatment modality with favorable outcomes. AIM: To study the efficacy of single injection of 25 % dextrose in pericapsular tissues in the management of hypermobility joint disorders of TMJ as first line treatment...
June 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28438359/impact-of-selectively-enriched-microbial-communities-on-long-term-fermentative-biohydrogen-production
#18
R Kanniah Goud, Kotakonda Arunasri, Dileep Kumar Yeruva, K Vamshi Krishna, Shikha Dahiya, S Venkata Mohan
The effect of selectively enriched inoculum for biohydrogen production and shifts in microbial communities was observed using anaerobic sequencing batch reactor (AnSBR). Significantly, combined pretreatment using acid and iodopropane resulted 3 fold increase in H2 production (8.65mol/kgCODR) over untreated control (2.63mol/kgCODR). Pretreatment showed significant shifts in the microbial communities which are thus accounted for enhanced H2 production. The high-throughput pyrosequence analysis depicted shifts in phylum Firmicutes and Proteobacteria...
March 27, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28437868/early-mortality-and-overall-survival-of-acute-myeloid-leukemia-based-on-facility-type
#19
Vijaya R Bhatt, Valerie Shostrom, Smith Giri, Krishna Gundabolu, K M Monirul Islam, Frederick R Appelbaum, Lori J Maness
Cancer health disparities may exist based on the facility type. We aimed to determine the association between the academic status of centers and outcomes of patients with acute myeloid leukemia (AML). Using the National Cancer Data Base, we compared one-month mortality and longer-term overall survival (OS) of 60,738 patients with AML, who received first course treatment between 2003-2011 at academic or non-academic centers (community cancer program, comprehensive community cancer program, and others). Multivariate analysis was done using logistic regression for one-month mortality and Cox regression with backward elimination approach for OS...
April 24, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28436067/significant-enhancement-of-c2-h2-c2-h4-separation-by-a-photochromic-diarylethene-unit-a-temperature-and-light-responsive-separation-switch
#20
Cong Bin Fan, Le Le Gong, Ling Huang, Feng Luo, Rajamani Krishna, Xian Feng Yi, An Min Zheng, Le Zhang, Shou Zhi Pu, Xue Feng Feng, Ming Biao Luo, Guo Cong Guo
A dual temperature- and light-responsive C2 H2 /C2 H4 separation switch in a diarylethene metal-organic framework (MOF) is presented. At 195 K and 100 kPa this MOF shows ultrahigh C2 H2 /C2 H4 selectivity of 47.1, which is almost 21.4 times larger than the corresponding value of 2.2 at 293 K and 100 kPa, or 15.7 times larger than the value of 3.0 for the material under UV at 195 K and 100 kPa. The origin of this unique control in C2 H2 /C2 H4 selectivity, as unveiled by density functional calculations, is due to a guest discriminatory gate-opening effect from the diarylethene unit...
April 24, 2017: Angewandte Chemie
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