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https://www.readbyqxmd.com/read/28437089/%C3%AF-n-c-bond-difunctionalization-in-bridged-twisted-amides-sew-and-cut-activation-approach-to-functionalized-isoquinolines
#1
Feng Hu, Pradeep Nareddy, Roger Lalancette, Frank Jordan, Michal Szostak
A rare example of highly selective σ N-C bond difunctionalization in bridged twisted lactams through N-C cleavage has been achieved. In combination with the intramolecular Heck cyclization, this method affords a two-step bond reorganization event ("sew-and-cut") to access functionalized isoquinoline ring systems directly with high atom economy. C-H bond functionalizations directed by a weakly coordinating bridged amide bond increase scaffold diversity. Preliminary mechanistic studies on the effect of amide distortion and the role of electrophile in this unusual σ N-C amide difunctionalization are described...
April 24, 2017: Organic Letters
https://www.readbyqxmd.com/read/28401040/sewing-needle-penetration-into-thorax-what-might-be-the-cause
#2
J D Rawat, Sudhir Singh, Digamber Chaubey, Gurmeet Singh
No abstract text is available yet for this article.
March 2017: APSP Journal of Case Reports
https://www.readbyqxmd.com/read/28383795/fabrication-and-characterization-of-electrospun-polycaprolactone-and-gelatin-composite-cuffs-for-tissue-engineered-blood-vessels
#3
Hannah A Strobel, Elizabeth L Calamari, Alexander Beliveau, Anjana Jain, Marsha W Rolle
Sewing cuffs incorporated within tissue-engineered blood vessels (TEBVs) enable graft anastomosis in vivo, and secure TEBVs to bioreactors in vitro. Alternative approaches to cuff design are required to achieve cuff integration with scaffold-free TEBVs during tissue maturation. To create porous materials that promote tissue integration, we used electrospinning to fabricate cuffs from polycaprolactone (PCL), PCL blended with gelatin, and PCL coated with gelatin, and evaluated cuff mechanical properties, porosity, and cellular attachment and infiltration...
April 6, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28373379/the-molten-glass-sewing-machine
#4
P-T Brun, Chikara Inamura, Daniel Lizardo, Giorgia Franchin, Michael Stern, Peter Houk, Neri Oxman
We present a fluid-instability-based approach for digitally fabricating geometrically complex uniformly sized structures in molten glass. Formed by mathematically defined and physically characterized instability patterns, such structures are produced via the additive manufacturing of optically transparent glass, and result from the coiling of an extruded glass thread. We propose a minimal geometrical model-and a methodology-to reliably control the morphology of patterns, so that these building blocks can be assembled into larger structures with tailored functionally and optically tunable properties...
May 13, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28349649/sewing-needles-in-the-abdominal-cavity-assumed-to-have-been-ingested-and-to-have-penetrated-the-gi-tract-40%C3%A2-years-ago-a-case-report
#5
Naoya Yamaguchi, Kazuhiro Hiramatsu, Yoshihisa Shibata, Motoi Yoshihara, Taro Aoba, Tadahiro Kamiya, Yoshio Koike, Takeru Fujita, Chikara Maeda, Kisuke Ito, Yuichi Kanbara, Motonobu Nishimura, Ryutarou Kobayashi, Hideyuki Dei, Aitaro Takimoto, Yukiko Nonaka, Takehito Kato
A 60-year old woman had been hospitalized in a psychiatric hospital for 40 years for schizophrenia. An X-ray was performed when she fell, which showed needles in the abdominal field. After additional examinations and questioning, the patient was diagnosed with needles in the abdominal cavity, which were assumed to have been ingested and to have perforated the GI tract 40 years ago. They were removed by laparoscopic surgery. The needles were found in the omentum and near the left ovary. There were no inflammatory reactions around them...
March 28, 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28344816/vibration-upshot-of-operating-mechanical-sewing-machine-an-insight-into-common-peroneal-nerve-conduction-study
#6
Prakash Kumar Yadav, Ram Lochan Yadav, Deepak Sharma, Dev Kumar Shah, Niraj Khatri Sapkota, Dilip Thakur, Nirmala Limbu, Md Nazrul Islam
BACKGROUND: Most of the people associated with tailoring occupation in Nepal are still using mechanical sewing machine as an alternative of new technology for tailoring. Common peroneal nerves of both right and left legs are exposed to strenuous and chronic stress exerted by vibration and paddling of mechanical sewing machine. METHODS: The study included 30 healthy male tailors and 30 healthy male individuals. Anthropometric variables as well as cardio respiratory variables were determined for each subject...
2017: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28341808/protein-coalation-a-redox-regulated-protein-modification-by-coenzyme-ain-mammalian-cells
#7
Yugo Tsuchiya, Sew Peak-Chew, Clare Newell, Sheritta Miller-Aidoo, Sriyash Mangal, Alexander Zhyvoloup, Jovana Baković, Oksana Malanchuk, Gonçalo Pereira, Vassilios Kotiadis, Gyorgy Szabadkai, Michael Duchen, Mark Campbell, Sergio Rodriguez Cuenca, Antonio Vidal-Puig, Andrew James, Michael P Murphy, Valeriy Filonenko, Mark Skehel, Ivan Gout
Coenzyme A (CoA) is an obligatory cofactor in all branches of life. CoA and its derivatives are involved in major metabolic pathways, allosteric interactions and the regulation of gene expression. Abnormal biosynthesis and homeostasis of CoA and its derivatives have been associated with various human pathologies, including cancer, diabetes and neurodegeneration. Using an anti-CoA monoclonal antibody and mass spectrometry we identified a wide range of cellular proteins which are modified by covalent attachment of CoA to cysteine thiols (CoAlation)...
March 24, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28328819/prevalence-and-risk-factors-of-contact-dermatitis-among-clothing-manufacturing-employees-in-beijing-a-cross-sectional-study
#8
Yu-Xin Chen, Hai-Yan Cheng, Lin-Feng Li
Little is known about the epidemiology of contact dermatitis (CD) in the Chinese clothing industry. This study aimed to investigate the prevalence and some risk factors of contact dermatitis among clothing manufacturing employees in Beijing.This cross-sectional study was conducted by interview using self-administered questionnaires and skin examination between May and August in 2016. Five-hundred twenty-nine employees who had worked at sewing, ironing, and as managers at 12 clothing manufacturing factories were studied...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28325303/inhibition-of-egf-uptake-by-nephrotoxic-antisense-drugs-in%C3%A2-vitro-and-implications-for-preclinical-safety-profiling
#9
Annie Moisan, Marcel Gubler, Jitao David Zhang, Yann Tessier, Kamille Dumong Erichsen, Sabine Sewing, Régine Gérard, Blandine Avignon, Sylwia Huber, Fethallah Benmansour, Xing Chen, Roberto Villaseñor, Annamaria Braendli-Baiocco, Matthias Festag, Andreas Maunz, Thomas Singer, Franz Schuler, Adrian B Roth
Antisense oligonucleotide (AON) therapeutics offer new avenues to pursue clinically relevant targets inaccessible with other technologies. Advances in improving AON affinity and stability by incorporation of high affinity nucleotides, such as locked nucleic acids (LNA), have sometimes been stifled by safety liabilities related to their accumulation in the kidney tubule. In an attempt to predict and understand the mechanisms of LNA-AON-induced renal tubular toxicity, we established human cell models that recapitulate in vivo behavior of pre-clinically and clinically unfavorable LNA-AON drug candidates...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28294394/cardioembolic-strokes-resulting-from-a-self-inflicted-needle-puncture-involving-both-sides-of-the-heart
#10
Mark Zheng Yi Tan, Annemarie Brunswicker, Shamsaldeen Abdelraheem, Alison Sheehan
Foreign bodies in the heart are rare occurrences with a limited evidence base to guide recommendations on management. We report a case of multiple cardioembolic strokes as a result of a self-inflicted sewing needle puncture from the anterior chest through the right ventricle and interventricular septum with its tip in the left ventricle close to the subvalvular apparatus in a 39-year-old psychiatric patient. We discuss issues surrounding decision making and ongoing care and highlight the importance of further follow-up and reporting of cases to form a robust evidence base to guide future recommendations...
March 14, 2017: Echocardiography
https://www.readbyqxmd.com/read/28291423/preclinical-evaluation-of-convection-enhanced-delivery-of-liposomal-doxorubicin-to-treat-pediatric-diffuse-intrinsic-pontine-glioma-and-thalamic-high-grade-glioma
#11
A Charlotte P Sewing, Tonny Lagerweij, Dannis G van Vuurden, Michaël H Meel, Susanna J E Veringa, Angel M Carcaboso, Pieter J Gaillard, W Peter Vandertop, Pieter Wesseling, David Noske, Gertjan J L Kaspers, Esther Hulleman
OBJECTIVE Pediatric high-grade gliomas (pHGGs) including diffuse intrinsic pontine gliomas (DIPGs) are primary brain tumors with high mortality and morbidity. Because of their poor brain penetrance, systemic chemotherapy regimens have failed to deliver satisfactory results; however, convection-enhanced delivery (CED) may be an alternative mode of drug delivery. Anthracyclines are potent chemotherapeutics that have been successfully delivered via CED in preclinical supratentorial glioma models. This study aims to assess the potency of anthracyclines against DIPG and pHGG cell lines in vitro and to evaluate the efficacy of CED with anthracyclines in orthotopic pontine and thalamic tumor models...
February 17, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28290167/simple-interrupted-suturing-for-redo-mitral-valve-replacement
#12
Hiroshi Furukawa, Taishi Tamura, Takeshi Honda, Hiroki Takiuchi, Masahiko Kuinose, Kazuo Tanemoto
BACKGROUND: An evaluation was made of the early clinical outcomes and efficacies of simple interrupted suturing (SIS) for redo mitral valve replacement (MVR). METHODS: Among 336 mitral valve surgery patients at the authors' institution between April 2000 and May 2014, a total of 21 redo MVR using SIS (12 women, nine men; mean age 67±11 years; range 32-80 years) participated in the study. Surgical indications for redo MVR were paravalvular leakage (PVL) in 10 patients, prosthetic valve endocarditis in five, mechanical valve thrombosis in three, and structural valve deterioration (SVD) of the bioprosthesis in three...
November 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28287426/phosphorus-and-iron-deficiencies-influences-rice-shoot-growth-in-an-oxygen-dependent-manner-insight-from-upland-and-lowland-rice
#13
Jenjira Mongon, Nanthana Chaiwong, Nadia Bouain, Chanakan Prom-U-Thai, David Secco, Hatem Rouached
Rice is the main staple crop for one-third of the world population. To maximize yields, large quantities and constant input of fertilizers containing essential nutrients such as phosphorus (P) and iron (Fe) are added. Rice can germinate in both aerobic and anaerobic conditions, but the crosstalk between oxygen (O₂) and nutrients such as P and Fe on plant growth remains obscure. The aim of this work was to test whether such interactions exist, and, if so, if they are conserved between up- and lowland rice varieties...
March 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28282263/-you-are-not-alone-strategies-for-addressing-mental-health-and-health-promotion-with-a-refugee-women-s-sewing-group
#14
Rebekah J Salt, Margaret E Costantino, Emma L Dotson, Bruce M Paper
Resettlement can be an uncertain time for refugees as they have often suffered life-threatening circumstances prior to flight from their countries, yet few resettlement programs screen for mental health. The purpose of this study was to pilot the Refugee Health Screener-15 (RHS-15) to assess mental health and the Pathways to Wellness intervention to identify internal and structural barriers affecting resettlement with a refugee women's sewing group. Community collaborations that create healthy social and physical environments through access to resources, economic opportunities, and social support promote a holistic approach to health and can improve quality of life for this vulnerable population...
April 2017: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/28281670/visualising-recalcitrance-by-colocalisation-of-cellulase-lignin-and-cellulose-in-pretreated-pine-biomass-using-fluorescence-microscopy
#15
Lloyd Donaldson, Alankar Vaidya
Mapping the location of bound cellulase enzymes provides information on the micro-scale distribution of amenable and recalcitrant sites in pretreated woody biomass for biofuel applications. The interaction of a fluorescently labelled cellulase enzyme cocktail with steam-exploded pine (SEW) was quantified using confocal microscopy. The spatial distribution of Dylight labelled cellulase was quantified relative to lignin (autofluorescence) and cellulose (Congo red staining) by measuring their colocalisation using Pearson correlations...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28273491/ugandan-households-a-study-of-parenting-practices-in-three-districts
#16
Neil Boothby, Firminus Mugumya, Amy E Ritterbusch, Joyce Wanican, Clare Ahabwe Bangirana, Adrienne D Pizatella, Sophie Busi, Sarah Meyer
Ugandan households play a central role in child care and protection, and household-level practices influence the ways in which children are protected from adversities. This study was designed to identify community perceptions of protective and harmful parenting practices in three districts in Uganda. It employed free-listing interviews to determine priorities and practices deemed to be important in providing care and protection to children. Findings suggest that parenting practices can be grouped into seven basic themes, which are: Investing in children's future, Protection, Care, Enterprising, Relationship with neighbors, Intimate partner relationship, and Child Rearing...
March 5, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28265217/titanium-plug-closure-after-heartware-ventricular-assist-device-explantation-in-a-15-year-old-girl-first-u-s-experience
#17
Diego A Lara, Aamir Jeewa, Barbara A Elias, Elizabeth O McCullum, Susan W Denfield, William J Dreyer, Iki Adachi
We describe the case of a teenage girl with anthracycline-induced cardiomyopathy who received a HeartWare ventricular assist device and underwent successful device explantation after cardiac recovery. During device support, the patient's cardiac function returned to normal. Twelve months after implantation, we explanted the device via repeat median sternotomy. To close the hole in the left ventricular apex and preserve the sewing ring in case future device support is needed, we used a German-manufactured titanium plug, developed specifically for this purpose...
February 2017: Texas Heart Institute Journal
https://www.readbyqxmd.com/read/28261777/case-of-an-intrahepatic-sewing-needle-and-review-of-the-literature
#18
Özgür Bostancı, Ufuk Oğuz İdiz, Muharrem Battal, Cemal Kaya, Mehmet Mihmanlı
An intrahepatic foreign body (FB) is rarely observed. In most cases, object passes from the gastrointestinal tract to the liver via migration. Uncomplicated intrahepatic FB can be followed without surgical intervention; however, complicated intrahepatic FB requires laparoscopy or laparotomy. Presently described is laparoscopic operation on 22-year-old female patient who had incidental sewing needle in the right liver lobe. As there were initially no complications, follow-up monitoring was recommended. However, the patient subsequently complained of stomach pain and developed fever...
January 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28260173/neck-shoulder-pain-and-work-status-among-former-sewing-machine-operators-a-14-year-follow-up-study
#19
Emma Lise Thorlund Jakobsen, Karin Biering, Anette Kærgaard, Johan Hviid Andersen
Purpose A total of 243 Danish female sewing machine operators lost their jobs in 1996 because of outsourcing. The aim was to investigate the employment status during follow-up from 1996 to 2008, and to estimate to what extent former neck-shoulder pain had an impact on later work participation. Methods Assessment of neck-shoulder pain was based on questionnaires completed in 1994. The Danish Register-Based Evaluation of Marginalization (DREAM) register was used to describe employment status during the follow-up period...
March 4, 2017: Journal of Occupational Rehabilitation
https://www.readbyqxmd.com/read/28245105/machine-washable-pedot-pss-dyed-silk-yarns-for-electronic-textiles
#20
Jason D Ryan, Desalegn Alemu Mengistie, Roger Gabrielsson, Anja Lund, Christian Müller
Durable, electrically conducting yarns are a critical component of electronic textiles (e-textiles). Here, such yarns with exceptional wear and wash resistance are realized through dyeing silk from the silkworm Bombyx mori with the conjugated polymer:polyelectrolyte complex PEDOT:PSS. A high Young's modulus of approximately 2 GPa combined with a robust and scalable dyeing process results in up to 40 m long yarns that maintain their bulk electrical conductivity of approximately 14 S cm(-1) when experiencing repeated bending stress as well as mechanical wear during sewing...
March 15, 2017: ACS Applied Materials & Interfaces
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