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https://www.readbyqxmd.com/read/28383083/nanoplasmonic-sensors-for-biointerfacial-science
#1
REVIEW
Joshua A Jackman, Abdul Rahim Ferhan, Nam-Joon Cho
In recent years, nanoplasmonic sensors have become widely used for the label-free detection of biomolecules across medical, biotechnology, and environmental science applications. To date, many nanoplasmonic sensing strategies have been developed with outstanding measurement capabilities, enabling detection down to the single-molecule level. One of the most promising directions has been surface-based nanoplasmonic sensors, and the potential of such technologies is still emerging. Going beyond detection, surface-based nanoplasmonic sensors open the door to enhanced, quantitative measurement capabilities across the biointerfacial sciences by taking advantage of high surface sensitivity that pairs well with the size of medically important biomacromolecules and biological particulates such as viruses and exosomes...
April 6, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28325117/psychometric-summary-of-the-technology-delivered-tension-scales-for-weight-management
#2
Kelli L Kramer-Jackman, Sue Popkess-Vawter
The purpose of this article is to summarize the psychometric results from studies of the last 25 years of the Overeating Tension Scale, Exercise Tension Scale, Feelings Tension Scale, and Feelings About Weight Tension Scale. These reliable and valid technology-delivered weight management scales can be used by clinicians independently or in combination to longitudinally identify specific triggers of overeating, skipping exercise, feeling low or down, and strong feelings about one's body weight; motivational states, and related tension levels...
March 1, 2017: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/28294278/controlling-adsorption-and-passivation-properties-of-bovine-serum-albumin-on-silica-surfaces-by-ionic-strength-modulation-and-cross-linking
#3
Jae Hyeon Park, Tun Naw Sut, Joshua A Jackman, Abdul Rahim Ferhan, Bo Kyeong Yoon, Nam-Joon Cho
Understanding the physicochemical factors that influence protein adsorption onto solid supports holds wide relevance for fundamental insights into protein structure and function as well as for applications such as surface passivation. Ionic strength is a key parameter that influences protein adsorption, although how its modulation might be utilized to prepare well-coated protein adlayers remains to be explored. Herein, we investigated how ionic strength can be utilized to control the adsorption and passivation properties of bovine serum albumin (BSA) on silica surfaces...
March 15, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28293950/probing-spatial-proximity-of-supported-lipid-bilayers-to-silica-surfaces-by-localized-surface-plasmon-resonance-sensing
#4
Abdul Rahim Ferhan, Joshua A Jackman, Nam-Joon Cho
On account of high surface sensitivity, localized surface plasmon resonance (LSPR) sensors have proven widely useful for studying lipid membrane configurations at solid-liquid interfaces. Key measurement capabilities include distinguishing adsorbed vesicles from supported lipid bilayers (SLBs) as well as profiling the extent of deformation among adsorbed vesicles. Such capabilities rely on detecting geometrical changes in lipid membrane configuration on a length scale that is comparable to the decay length of the LSPR-induced electromagnetic field enhancement (∼5-20 nm)...
March 27, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28282751/a-single-bout-of-high-intensity-interval-exercise-and-work-matched-moderate-intensity-exercise-has-minimal-effect-on-glucose-tolerance-and-insulin-sensitivity-in-7-to-10-year-old-boys
#5
Emma J Cockcroft, Craig A Williams, Sarah R Jackman, Shikhar Bassi, Neil Armstrong, Alan R Barker
The purpose of this study was to assess the acute effect of high-intensity interval exercise (HIIE) and moderate-intensity exercise (MIE) on glucose tolerance, insulin sensitivity and fat oxidation in young boys. Eleven boys (8.8 ± 0.8 y) completed three conditions: 1) HIIE; 2) work-matched MIE; and 3) rest (CON) followed by an oral glucose tolerance test (OGTT) to determine glucose tolerance and insulin sensitivity (Cederholm index). Fat oxidation was measured following the OGTT using indirect calorimetry...
February 13, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28275137/a-ceacam6-high-airway-neutrophil-phenotype-and-ceacam6-high-epithelial-cells-are-features-of-severe-asthma
#6
Aarti Shikotra, David F Choy, Salman Siddiqui, Greer Arthur, Deepti R Nagarkar, Guiquan Jia, Adam K A Wright, Chandra M Ohri, Emma Doran, Claire A Butler, Beverley Hargadon, Alexander R Abbas, Janet Jackman, Lawren C Wu, Liam G Heaney, Joseph R Arron, Peter Bradding
Severe asthma represents a major unmet clinical need; understanding the pathophysiology is essential for the development of new therapies. Using microarray analysis, we previously found three immunological clusters in asthma: Th2-high, Th17-high, and Th2/17-low. Although new therapies are emerging for Th2-high disease, identifying molecular pathways in Th2-low disease remains an important goal. Further interrogation of our previously described microarray dataset revealed upregulation of gene expression for carcinoembryonic Ag cell adhesion molecule (CEACAM) family members in the bronchi of patients with severe asthma...
March 8, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28263610/correlating-membrane-morphological-responses-with-micellar-aggregation-behavior-of-capric-acid-and-monocaprin
#7
Bo Kyeong Yoon, Joshua A Jackman, Min Chul Kim, Tun Naw Sut, Nam-Joon Cho
The interaction of single-chain lipid amphiphiles with phospholipid membranes is relevant to many scientific fields, including molecular evolution, medicine, and biofuels. Two widely studied compounds within this class are the medium-chain saturated fatty acid, capric acid, and its monoglyceride derivative, monocaprin. To date, most studies about these compounds have involved in vitro evaluation of their biological activities, while mechanistic details of how capric acid and monocaprin interact with phospholipid bilayers remain elusive...
March 21, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28260402/cost-and-survival-analysis-before-and-after-implementation-of-dana-farber-clinical-pathways-for-patients-with-stage-iv-non-small-cell-lung-cancer
#8
David M Jackman, Yichen Zhang, Carole Dalby, Tom Nguyen, Julia Nagle, Christine A Lydon, Michael S Rabin, Kristen K McNiff, Belen Fraile, Joseph O Jacobson
PURPOSE: Increasing costs and medical complexity are significant challenges in modern oncology. We explored the use of clinical pathways to support clinical decision making and manage resources prospectively across our network. MATERIALS AND METHODS: We created customized lung cancer pathways and partnered with a commercial vendor to provide a Web-based platform for real-time decision support and post-treatment data aggregation. Dana-Farber Cancer Institute (DFCI) Pathways for non-small cell lung cancer (NSCLC) were introduced in January 2014...
April 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28193076/integration-of-quartz-crystal-microbalance-dissipation-and-reflection-mode-localized-surface-plasmon-resonance-sensors-for-biomacromolecular-interaction-analysis
#9
Abdul Rahim Ferhan, Joshua A Jackman, Nam-Joon Cho
The combination of label-free, surface-sensitive measurement techniques based on different physical principles enables detailed characterization of biomacromolecular interactions at solid-liquid interfaces. To date, most combined measurement systems have involved experimental techniques with similar probing volumes, whereas the potential of utilizing techniques with different surface sensitivities remains largely unexplored, especially for data interpretation. Herein, we report a combined measurement approach that integrates a conventional quartz crystal microbalance-dissipation (QCM-D) setup with a reflection-mode localized surface plasmon (LSPR) sensor...
December 20, 2016: Analytical Chemistry
https://www.readbyqxmd.com/read/28181589/developmental-stage-dependent-effects-of-cardiac-fibroblasts-on-function-of-stem-cell-derived-engineered-cardiac-tissues
#10
Brian Liau, Christopher P Jackman, Yanzhen Li, Nenad Bursac
We investigated whether the developmental stage of mouse cardiac fibroblasts (CFs) influences the formation and function of engineered cardiac tissues made of mouse embryonic stem cell-derived cardiomyocytes (mESC-CMs). Engineered cardiac tissue patches were fabricated by encapsulating pure mESC-CMs, mESC-CMs + adult CFs, or mESC-CMs + fetal CFs in fibrin-based hydrogel. Tissue patches containing fetal CFs exhibited higher velocity of action potential propagation and contractile force amplitude compared to patches containing adult CFs, while pure mESC-CM patches did not form functional syncytium...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28142255/-speaking-about-the-unspeakable-clinical-psychologists-views-on-the-role-of-the-profession-regarding-forced-care-of-older-adults-without-capacity
#11
Sarah J Watts, Louisa Jackman, Alan Howarth
'Forced care' describes the provision of personal care to an individual who does not have the capacity to make a decision about that care and resists receiving that care. This study explored the views of clinical psychologists on supporting staff involved with forced care and considered the following question: Do clinical psychologists feel that they have a role in guiding decisions around forced care, and if so, what? Interview data were gathered from five clinical psychologists experienced in the field of Older Adult psychology in the UK...
January 1, 2017: Dementia
https://www.readbyqxmd.com/read/28121638/epidermolytic-ichthyosis-sine-epidermolysis
#12
Marina Eskin-Schwartz, Marianna Drozhdina, Ofer Sarig, Andrea Gat, Tomer Jackman, Ofer Isakov, Noam Shomron, Liat Samuelov, Natalia Malchin, Alon Peled, Dan Vodo, Alain Hovnanian, Thomas Ruzicka, Sergei Koshkin, Robert M Harmon, Jennifer L Koetsier, Kathleen J Green, Amy S Paller, Eli Sprecher
Epidermolytic ichthyosis (EI) is a rare disorder of cornification caused by mutations in KRT1 and KRT10, encoding two suprabasal epidermal keratins. Because of the variable clinical features and severity of the disease, histopathology is often required to correctly direct the molecular analysis. EI is characterized by hyperkeratosis and vacuolar degeneration of the upper epidermis, also known as epidermolytic hyperkeratosis, hence the name of the disease. In the current report, the authors describe members of 2 families presenting with clinical features consistent with EI...
January 17, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28113638/haptic-feedback-manipulation-during-botulinum-toxin-injection-therapy-for-focal-hand-dystonia-patients-a-possible-new-assistive-strategy
#13
Seyed Farokh Atashzar, Mahya Shahbazi, Christopher Ward, Olivia Samotus, Mehdi Delrobaei, Fariborz Rahimi, Jack Lee, Mallory Jackman, Mandar Jog, Rajni Patel
Abnormality of sensorimotor integration in the basal ganglia and cortex has been reported in the literature for patients with task-specific focal hand dystonia (FHD). In this study, we investigate the effect of manipulation of kinesthetic input in people living with writer's cramp disorder (a major form of FHD). For this purpose, severity of dystonia is studied for 11 participants while the symptoms of 7 participants have been tracked during 5 sessions of assessment and Botulinum toxin injection (BoNT-A) therapy (one of the current suggested therapies for dystonia)...
August 19, 2016: IEEE Transactions on Haptics
https://www.readbyqxmd.com/read/28077086/the-measure-of-success-geographic-isolation-promotes-diversification-in-pachydactylus-geckos
#14
Matthew P Heinicke, Todd R Jackman, Aaron M Bauer
BACKGROUND: Geckos of the genus Pachydactylus and their close relatives comprise the most species-rich clade of lizards in sub-Saharan Africa. Many explanations have been offered to explain species richness patterns of clades. In the Pachydactylus group, one possible explanation is a history of diversification via geographic isolation. If geographic isolation has played a key role in facilitating diversification, then we expect species in more species-rich subclades to have smaller ranges than species in less diverse subclades...
January 11, 2017: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/28049065/nucleic-acid-scavenging-microfiber-mesh-inhibits-trauma-induced-inflammation-and-thrombosis
#15
Jaewoo Lee, Jennifer G Jackman, Jean Kwun, Miriam Manook, Angelo Moreno, Eric A Elster, Allan D Kirk, Kam W Leong, Bruce A Sullenger
Trauma patients produce a host of danger signals and high levels of damage-associated molecular patterns (DAMPs) after cellular injury and tissue damage. These DAMPs are directly and indirectly involved in the pathogenesis of various inflammatory and thrombotic complications in patients with severe injuries. No effective therapeutic agents for the removal of DAMPs from blood or tissue fluid have been developed. Herein, we demonstrated that nucleic acid binding polymers, e.g., polyethylenimine (PEI) and polyamidoamine dendrimers, immobilized onto electrospun microfiber mesh can effectively capture various DAMPs, such as extracellular DNAs and high mobility group box 1 (HMGB1)...
March 2017: Biomaterials
https://www.readbyqxmd.com/read/28045148/investigating-how-vesicle-size-influences-vesicle-adsorption-on-titanium-oxide-a-competition-between-steric-packing-and-shape-deformation
#16
Abdul Rahim Ferhan, Joshua A Jackman, Nam-Joon Cho
Understanding the adsorption behavior of lipid vesicles at solid-liquid interfaces is important for obtaining fundamental insights into soft matter adsorbates as well as for practical applications such as supported lipid bilayer (SLB) fabrication. While the process of SLB formation has been highly scrutinized, less understood are the details of vesicle adsorption without rupture, especially at high surface coverages. Herein, we tackle this problem by employing simultaneous quartz crystal microbalance-dissipation (QCM-D) and localized surface plasmon resonance (LSPR) measurements in order to investigate the effect of vesicle size (84-211 nm diameter) on vesicle adsorption onto a titanium oxide surface...
January 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28042074/a-communications-bundle-to-improve-satisfaction-for-critically-ill-patients-and-their-families-a-prospective-cohort-pilot-study
#17
Rana L Awdish, Dana Buick, Maria Kokas, Hanan Berlin, Catherine Jackman, Cari Williamson, Michael P Mendez, Kristen Chasteen
CONTEXT: Communication skills training with simulated patients is used by many academic centers, but how to translate skills learned in simulated settings to improve communication in real encounters has not been described. OBJECTIVE: We developed a communications bundle to facilitate skill transfer from simulation to real encounters and improve patient and/or family satisfaction with physician communication. We tested the feasibility of its use in our hospital's medical intensive care unit (MICU)...
December 29, 2016: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28032774/the-effects-of-implicit-gender-role-theories-on-gender-system-justification-fixed-beliefs-strengthen-masculinity-to-preserve-the-status-quo
#18
Laura J Kray, Laura Howland, Alexandra G Russell, Lauren M Jackman
Four studies (n = 1199) tested support for the idea that implicit theories about the fixedness versus malleability of gender roles (entity vs. incremental theories) predict differences in the degree of gender system justification, that is, support for the status quo in relations between women and men in society. Relative to an incremental theory, the holding of an entity theory correlated with more system-justifying attitudes and self-perceptions (Study 1) for men and women alike. We also found that strength of identification with one's gender in-group was a stronger predictor of system justification for men than it was for women, suggesting men's defense of the status quo may be motivated by their membership in a high status group in the social hierarchy...
January 2017: Journal of Personality and Social Psychology
https://www.readbyqxmd.com/read/28025642/short-duration-small-sided-football-and-to-a-lesser-extent-whole-body-vibration-exercise-induce-acute-changes-in-markers-of-bone-turnover
#19
RANDOMIZED CONTROLLED TRIAL
J L Bowtell, S R Jackman, S Scott, L J Connolly, M Mohr, G Ermidis, R Julian, F Yousefian, E W Helge, N R Jørgensen, J Fulford, K M Knapp, P Krustrup
We aimed to study whether short-duration vibration exercise or football sessions of two different durations acutely changed plasma markers of bone turnover and muscle strain. Inactive premenopausal women (n = 56) were randomized to complete a single bout of short (FG15) or long duration (FG60) small sided football or low magnitude whole body vibration training (VIB). Procollagen type 1 amino-terminal propeptide (P1NP) was increased during exercise for FG15 (51.6 ± 23.0 to 56.5 ± 22.5 μg·L(-1), mean ± SD, P < 0...
2016: BioMed Research International
https://www.readbyqxmd.com/read/28009294/synaptic-specializations-support-frequency-independent-purkinje-cell-output-from-the-cerebellar-cortex
#20
Josef Turecek, Skyler L Jackman, Wade G Regehr
The output of the cerebellar cortex is conveyed to the deep cerebellar nuclei (DCN) by Purkinje cells (PCs). Here, we characterize the properties of the PC-DCN synapse in juvenile and adult mice and find that prolonged high-frequency stimulation leads to steady-state responses that become increasingly frequency independent within the physiological firing range of PCs in older animals, resulting in a linear relationship between charge transfer and activation frequency. We used a low-affinity antagonist to show that GABAA-receptor saturation occurs at this synapse but does not underlie frequency-invariant transmission...
December 20, 2016: Cell Reports
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