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https://www.readbyqxmd.com/read/28089912/hiding-clinical-information-in-medical-images-a-new-high-capacity-and-reversible-data-hiding-technique
#1
Shabir A Parah, Farhana Ahad, Javaid A Sheikh, G M Bhat
A new high capacity and reversible data hiding scheme for e-healthcare applications has been presented in this paper. Pixel to Block (PTB) conversion technique has been used as an effective and computationally efficient alternative to interpolation for the cover image generation to ensure reversibility of medical images. A fragile watermark and Block Checksum (computed for each 4 × 4 block) have been embedded in the cover image for facilitating tamper detection and tamper localization, and hence content authentication at receiver...
January 12, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28077848/the-economy-of-the-totalitarian-mind-the-case-of-the-immigrant-child
#2
Kathleen Kelley-Lainé
Immigration in early childhood can be considered as a traumatic situation. It often goes unrecognized since children adapt to most conditions and conform to their environment with astonishing agility. Inspired by the sensitive work of Sándor Ferenczi, and Donald Winnicott, regarding the psychic economy of maturational processes, the author explores the concept of totalitarian functioning and its obstruction of the growing psyche. Before birth we are all totalitarian, one with the mother; this symbiotic, invincible state of survival mode is prolonged as the immature newborn child ignores the requirements of reality and enjoys omnipotent pleasure through hallucination...
December 2016: American Journal of Psychoanalysis
https://www.readbyqxmd.com/read/28062692/urban-sustainability-in-an-age-of-enduring-inequalities-advancing-theory-and-ecometrics-for-the-21st-century-city
#3
Robert J Sampson
The environmental fragility of cities under advanced urbanization has motivated extensive efforts to promote the sustainability of urban ecosystems and physical infrastructures. Less attention has been devoted to neighborhood inequalities and fissures in the civic infrastructure that potentially challenge social sustainability and the capacity of cities to collectively address environmental challenges. This article draws on a program of research in three American cities-Boston, Chicago, and Los Angeles-to develop hypotheses and methodological strategies for assessing how the multidimensional and multilevel inequalities that characterize contemporary cities bear on sustainability...
January 6, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28049653/mechanisms-in-endocrinology-diabetes-mellitus-a-state-of-low-bone-turnover-a-systematic-review-and-meta-analysis
#4
REVIEW
Katrine Hygum, Jakob Starup-Linde, Torben Harsløf, Peter Vestergaard, Bente L Langdahl
OBJECTIVE: To investigate the differences in bone turnover between diabetic patients and controls. DESIGN: A systematic review and meta-analysis. METHODS: A literature search was conducted using the databases Medline at PubMed and EMBASE. The free text search terms 'diabetes mellitus' and 'bone turnover', 'sclerostin', 'RANKL', 'osteoprotegerin', 'tartrate-resistant acid' and 'TRAP' were used. Studies were eligible if they investigated bone turnover markers in patients with diabetes compared with controls...
March 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28049443/performance-of-edmonton-frail-scale-on-frailty-assessment-its-association-with-multi-dimensional-geriatric-conditions-assessed-with-specific-screening-tools
#5
Simone Perna, Matthew D'Arcy Francis, Chiara Bologna, Francesca Moncaglieri, Antonella Riva, Paolo Morazzoni, Pietro Allegrini, Antonio Isu, Beatrice Vigo, Fabio Guerriero, Mariangela Rondanelli
BACKGROUND: The aim of this study was to evaluate the performance of Edmonton Frail Scale (EFS) on frailty assessment in association with multi-dimensional conditions assessed with specific screening tools and to explore the prevalence of frailty by gender. METHODS: We enrolled 366 hospitalised patients (women\men: 251\115), mean age 81.5 years. The EFS was given to the patients to evaluate their frailty. Then we collected data concerning cognitive status through Mini-Mental State Examination (MMSE), health status (evaluated with the number of diseases), functional independence (Barthel Index and Activities Daily Living; BI, ADL, IADL), use of drugs (counting of drugs taken every day), Mini Nutritional Assessment (MNA), Geriatric Depression Scale (GDS), Skeletal Muscle Index of sarcopenia (SMI), osteoporosis and functionality (Handgrip strength)...
January 4, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28048283/we-h-204-03-part-2-history-and-archives-resources-at-aip-for-aapm-and-its-members
#6
M Mueller
: "William D. Coolidge, Inventor of the Modern X-ray Tube" David J. Allard, M.S., CHP - Director, PA DEP Bureau of Radiation Protection William David Coolidge 1873-1975 was a research scientist and inventor of the modern X-ray tube. Besides Roentgen, with his 1895 discovery and subsequent studies of X-rays, perhaps no other individual contributed more to the advancement of X-ray technology than did Coolidge. He was born in Hudson, MA and received his Bachelor of Science degree from MIT in 1896...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047523/we-h-204-00-history-committee-symposium
#7
Michael Gossman
: "William D. Coolidge, Inventor of the Modern X-ray Tube" David J. Allard, M.S., CHP - Director, PA DEP Bureau of Radiation Protection William David Coolidge 1873-1975 was a research scientist and inventor of the modern X-ray tube. Besides Roentgen, with his 1895 discovery and subsequent studies of X-rays, perhaps no other individual contributed more to the advancement of X-ray technology than did Coolidge. He was born in Hudson, MA and received his Bachelor of Science degree from MIT in 1896...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046866/we-h-204-01-william-d-coolidge-inventor-of-the-modern-x-ray-tube
#8
D Allard
: "William D. Coolidge, Inventor of the Modern X-ray Tube" David J. Allard, M.S., CHP - Director, PA DEP Bureau of Radiation Protection William David Coolidge 1873-1975 was a research scientist and inventor of the modern X-ray tube. Besides Roentgen, with his 1895 discovery and subsequent studies of X-rays, perhaps no other individual contributed more to the advancement of X-ray technology than did Coolidge. He was born in Hudson, MA and received his Bachelor of Science degree from MIT in 1896...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046206/we-h-204-02-part-1-history-and-archives-resources-at-aip-for-aapm-and-its-members
#9
G Good
: "William D. Coolidge, Inventor of the Modern X-ray Tube" David J. Allard, M.S., CHP - Director, PA DEP Bureau of Radiation Protection William David Coolidge 1873-1975 was a research scientist and inventor of the modern X-ray tube. Besides Roentgen, with his 1895 discovery and subsequent studies of X-rays, perhaps no other individual contributed more to the advancement of X-ray technology than did Coolidge. He was born in Hudson, MA and received his Bachelor of Science degree from MIT in 1896...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28034785/modulation-of-the-consolidation-and-reconsolidation-of-fear-memory-by-three-different-serotonin-receptors-in-hippocampus
#10
S D Schmidt, C R G Furini, C G Zinn, L E Cavalcante, F F Ferreira, J A K Behling, J C Myskiw, I Izquierdo
The process of memory formation is complex and highly dynamic. During learning, the newly acquired information is found in a fragile and labile state. Through a process known as consolidation, which requires specific mechanisms such as protein synthesis, the memory trace is stored and stabilized. It is known that when a consolidated memory is recalled, it again becomes labile and sensitive to disruption. To be maintained, this memory must undergo an additional process of restabilization called reconsolidation, which requires another phase of protein synthesis...
December 27, 2016: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28033634/how-to-harmonize-the-ethnic-nose
#11
Artur Grinfeld, Rodrigo Betelli, Guilherme Arruda, Washington Almeida
The demand for cosmetic surgery has significantly increased in the past few years mainly due to economic rise witnessed in Brazil. The state of Bahia has predominately Afro-descendant population with the same countrywide scenario, where the surgeon must be able to face challenges such as the specifics demands of rhinoplasty in an ethnic nose. It represents not only a different nasal variety from the Caucasoid, but also a complex anatomical feature, with its own peculiarities, as thicker and oilier skin, with bulky fibrous fatty tissue with numerous sebaceous glands...
December 2016: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28028555/hip-and-other-fragility-fracture-incidence-in-real-world-teriparatide-treated-patients-in-the-united-states
#12
R T Burge, D P Disch, S Gelwicks, X Zhang, J H Krege
: This study demonstrates real-world effectiveness of teriparatide in reducing the risk of hip and other fragility fractures. Fracture incidence significantly decreased as adherence and persistence increased for any clinical, vertebral, nonvertebral, and hip fractures among patients who were observed for 2 years after teriparatide initiation. INTRODUCTION: Examine the relationship of treatment adherence and persistence to teriparatide with hip and other fractures...
December 27, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/28018172/app-causes-hyperexcitability-in-fragile-x-mice
#13
Cara J Westmark, Shih-Chieh Chuang, Seth A Hays, Mikolaj J Filon, Brian C Ray, Pamela R Westmark, Jay R Gibson, Kimberly M Huber, Robert K S Wong
Amyloid-beta protein precursor (APP) and metabolite levels are altered in fragile X syndrome (FXS) patients and in the mouse model of the disorder, Fmr1(KO) mice. Normalization of APP levels in Fmr1(KO) mice (Fmr1(KO) /APP(HET) mice) rescues many disease phenotypes. Thus, APP is a potential biomarker as well as therapeutic target for FXS. Hyperexcitability is a key phenotype of FXS. Herein, we determine the effects of APP levels on hyperexcitability in Fmr1(KO) brain slices. Fmr1(KO) /APP(HET) slices exhibit complete rescue of UP states in a neocortical hyperexcitability model and reduced duration of ictal discharges in a CA3 hippocampal model...
2016: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28017957/-development-of-osteoporosis-drugs-the-past-the-present-and-the-future
#14
Shinya Tanaka
From 1990s to 2000s, new drugs for osteoporosis have been developed, and the bone metabolism researches have livened up. In those days, many a people gathered to the meeting from many countries, and the each booth of pharmaceutics was proud of its preeminence. The dedications by the society and its members have had osteoporosis diagnostics developed, the anchor drugs become prevalent, and the number of fractures reduced. Although the brilliant effects of Romosozumab and Abaloparatide were presented in the meeting held this year, the members had to accept the convergence state of new drug developments...
2017: Clinical Calcium
https://www.readbyqxmd.com/read/28012884/erythrocytes-properties-in-varicose-veins-patients
#15
L Gwozdzinski, A Pieniazek, J Bernasinska, M Grabowski, E Kowalczyk, K Gwozdzinski
Varicose veins (VV) are enlarged veins of the subcutaneous tissue, usually caused by faulty or damaged venous valves leading to impaired blood flow. Blood stasis, excessive clotting disorder and alterations in the vein walls are symptoms of Virchow's triad which may affect the morphotic elements of blood, including erythrocytes. The aim of this study was to investigate alterations in the properties of the erythrocytes taken from varicose veins in comparison to those from antecubital vein of patients with chronic venous disease...
December 21, 2016: Microvascular Research
https://www.readbyqxmd.com/read/28010099/generalized-entropy-theory-of-glass-formation-in-fully-flexible-polymer-melts
#16
Wen-Sheng Xu, Jack F Douglas, Karl F Freed
The generalized entropy theory (GET) offers many insights into how molecular parameters influence polymer glass-formation. Given the fact that chain rigidity often plays a critical role in understanding the glass-formation of polymer materials, the GET was originally developed based on models of semiflexible chains. Consequently, all previous calculations within the GET considered polymers with some degree of chain rigidity. Motivated by unexpected results from computer simulations of fully flexible polymer melts concerning the dependence of thermodynamic and dynamic properties on the cohesive interaction strength (ϵ), the present paper employs the GET to explore the influence of ϵ on glass-formation in models of polymer melts with a vanishing bending rigidity, i...
December 21, 2016: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28007560/molecular-dynamics-of-amorphous-sulfamethazine-with-structurally-related-sulfonamide-impurities-evaluated-using-thermal-analysis
#17
Yoshito Hamada, Makoto Ono, Motomu Ohara, Etsuo Yonemochi
In this study, the effects of structurally related organic impurities on the molecular dynamics of amorphous sulfamethazine were evaluated using thermal analysis. Sulfanilamide (SNA), sulfamerazine (SMR) and sulfadimethoxine (SDM) were used as virtual impurities of sulfamethazine. The amorphous state was prepared in-situ in differential scanning calorimetry by quenching the melted physical mixtures of sulfamethazine and each impurity compound in the DSC pan. In the following heating process, the glass transition temperatures (Tg) of each were measured...
December 19, 2016: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28003464/nat1-promotes-translation-of-specific-proteins-that-induce-differentiation-of-mouse-embryonic-stem-cells
#18
Hayami Sugiyama, Kazutoshi Takahashi, Takuya Yamamoto, Mio Iwasaki, Megumi Narita, Masahiro Nakamura, Tim A Rand, Masato Nakagawa, Akira Watanabe, Shinya Yamanaka
Novel APOBEC1 target 1 (Nat1) (also known as "p97," "Dap5," and "Eif4g2") is a ubiquitously expressed cytoplasmic protein that is homologous to the C-terminal two thirds of eukaryotic translation initiation factor 4G (Eif4g1). We previously showed that Nat1-null mouse embryonic stem cells (mES cells) are resistant to differentiation. In the current study, we found that NAT1 and eIF4G1 share many binding proteins, such as the eukaryotic translation initiation factors eIF3 and eIF4A and ribosomal proteins. However, NAT1 did not bind to eIF4E or poly(A)-binding proteins, which are critical for cap-dependent translation initiation...
December 21, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28002377/own-the-bone-a-system-based-intervention-improves-osteoporosis-care-after-fragility-fractures
#19
Andrew D Bunta, Beatrice J Edwards, William B Macaulay, Kyle J Jeray, Laura L Tosi, Clifford B Jones, Debra L Sietsema, John D Kaufman, Sarah A Murphy, Juhee Song, James A Goulet, Gary E Friedlaender, Marc F Swiontkowski, Douglas R Dirschl
BACKGROUND: The goal of this study was to evaluate the effectiveness of the American Orthopaedic Association's Own the Bone secondary fracture prevention program in the United States. METHODS: The objective of this quality improvement cohort study was dissemination of Own the Bone and implementation of secondary prevention (osteoporosis pharmacologic and bone mineral density [BMD] test recommendations). The main outcome measures were the number of sites implementing Own the Bone and implementation of secondary prevention, i...
December 21, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27991793/femtosecond-raman-induced-kerr-effect-study-of-temperature-dependent-intermolecular-dynamics-in-imidazolium-based-ionic-liquids-effects-of-anion-species-and-cation-alkyl-groups
#20
Shohei Kakinuma, Tateki Ishida, Hideaki Shirota
The temperature dependence of the intermolecular vibrational dynamics in imidazolium-based ionic liquids (ILs) with 10 different anions was studied by femtosecond Raman-induced Kerr effect spectroscopy. For all ILs investigated in this study, the intensity in the low-frequency region below 50 cm(-1) increases, and the spectral density in the high-frequency region above 80 cm(-1) decreases (and shows a redshift) with increasing temperature. The first phenomenon would be attributed to the activation of the translational vibrational motions, whereas the second one is ascribed to the slowing librational motion of the imidazolium ring with increasing temperature...
January 3, 2017: Journal of Physical Chemistry. B
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