PubMed Journals Articles About "Building Bridges Within Cell Using Light" RSS

16:02 EST 21st February 2018 | BioPortfolio

Building Bridges Within Cell Using Light PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Building Bridges Within Cell Using Light articles that have been published worldwide.

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Showing "Building bridges within cell using light" PubMed Articles 1–25 of 30,000+

Building bridges to enhance interpersonal relationships.

Building bridges between disciplines for sustainable management of plant virus diseases.

Cell Cycle Dynamics of Cultured Coral Endosymbiotic Microalgae (Symbiodinium) Across Different Types (Species) Under Alternate Light and Temperature Conditions.

Dinoflagellates of the genus Symbiodinium live in symbiosis with many invertebrates, including reef-building corals. Hosts maintain this symbiosis through continuous regulation of Symbiodinium cell density via expulsion and degradation (post-mitotic) and/or constraining cell growth and division through manipulation of the symbiont cell cycle (pre-mitotic). Importance of pre-mitotic regulation is unknown since little data exists on cell cycles for the immense genetic diversity of Symbiodinium. We therefore e...

Relationship between ancient bridges and population dynamics in the lower Yangtze River Basin, China.

It has been suggested that population growth dynamics may be revealed by the geographic distribution and the physical structure of ancient bridges. Yet, this relationship has not been empirically verified. In this study, we applied the archaeological records for ancient bridges to reveal the population growth dynamics in the lower Yangtze River Basin in late imperial China. We investigated 89 ancient bridges in Yixing that were built during the Ming and Qing dynasties (AD1368-1911). Global Position System i...

Building Bridges to a Brighter Tomorrow: A Systematic Evidence Review of Interventions That Prepare Adolescents for Adulthood.

Data suggest that adverse social determinants during adolescence can set in motion a lifetime of poor social and health outcomes. Vulnerable youths are at particularly high risk in this regard.

Building a Stable Relationship: Ensuring Homeostasis among Cell Types within a Tissue.

Many processes controlling cell growth and death are well characterized for individual cell lineages, but how ensembles of different cell types in a tissue regulate collective size and composition remains unclear. In this issue of Cell, Zhou et al. employ experiments and theory to uncover design principles of tissue homeostasis arising from cross-talk between fibroblasts and macrophages.

Method to improve the survival of night-swarming mayflies near bridges in areas of distracting light pollution.

Numerous negative ecological effects of urban lighting have been identified during the last decades. In spite of the development of lighting technologies, the detrimental effect of this form of light pollution has not declined. Several insect species are affected including the night-swarming mayfly Ephoron virgo: when encountering bridges during their mass swarming, these mayflies often fall victim to artificial lighting. We show a simple method for the conservation of these mayflies exploiting their positi...

Uniformity from Diversity: Vast-Range Light Sensing in a Single Neuron Type.

The brightness of our visual environment varies tremendously from day to night. In this issue of Cell, Milner and Do describe how the population of retinal neurons responsible for entrainment of the brain's circadian clock cooperate to encode irradiance across a wide range of ambient-light intensities.

Flow Cytometry of B-Cell Neoplasms.

Flow cytometric evaluation is considered a standard ancillary study for the diagnosis of most B-cell lymphoproliferative disorders. Establishing a neoplastic B-cell population depends on identification of light chain restriction or lack of light chain expression in mature neoplasms and demonstration of aberrant antigen expression in both immature and mature neoplasms, as compared with normal counterparts. The immunophenotypes of the most common B-cell neoplasms are herein described, with an emphasis on thei...

The relation between cognitive and metacognitive processing: Building bridges between the SRL, MDL, and SAL domains.

The main aim of this commentary was to connect the insights from the contributions of the special issue on the intersection between depth and the regulation of strategy use. The seven contributions in this special issue stem from three perspectives: self-regulated learning (SRL), model of domain learning (MDL), or the student approaches to learning (SAL).

Silicon-based dielectric metamaterials: Focus on the current synthetic challenges.

Metamaterials have optical properties that are unprecedented in nature. They have opened new horizons in light manipulation, with the ability to bend, focus, and completely reflect, transmit or absorb an incident wave front. Optically active metamaterials in particular could be used for applications ranging from 3D information storage, more efficient photovoltaic cells, high security watermarks, and fiber optics. Silicon (Si) particles are some of the most promising building blocks for optically active meta...

Light-induced functions in DNA.

The chemical toolbox for synthetic modification by nucleotide building blocks and postsynthetic methods delivers light-induced functions to DNA in great variety and allows not only to initiate photoinduced processes but additionally the temporal and spatial control of these artificial functions. Herein, selected light-induced artificial functions in DNA are briefly summarized. This includes the postsynthetic 'photoclick' labeling strategy, benzophenone and acetophenone nucleosides as photosensitizers to ind...

Unconventional Roles of Opsins.

Rhodopsin is the classical light sensor. Although rhodopsin has long been known to be important for image formation in the eye, the requirements for opsins in non-image formation and in extraocular light sensation were revealed much later. Most recent is the demonstration that an opsin in the fruit fly, Drosophila melanogaster, is expressed in pacemaker neurons in the brain and functions in light entrainment of circadian rhythms. However, the biggest surprise is that opsins have light-independent roles, cou...

Photobiomodulation with 670 nm light ameliorates Müller cell-mediated activation of microglia and macrophages in retinal degeneration.

Müller cells, the supporting cells of the retina, play a key role in responding to retinal stress by releasing chemokines, including CCL2, to recruit microglia and macrophages (MG/MΦ) into the damaged retina. Photobiomodulation (PBM) with 670 nm light has been shown to reduce inflammation in models of retinal degeneration. In this study, we aimed to investigate whether 670 nm light had an effect on Müller cell-initiated inflammation under retinal photo-oxidative damage (PD) in vivo and in vitro. Spragu...

Phytochromes: Where to Start?

Phytochrome signaling allows plants to sense and respond to light through gene regulation. Ushijima et al. (2017) demonstrate a role for phytochromes in widespread regulation of alternative promoter usage, resulting in light-dependent protein isoforms with altered subcellular localization that help the plant respond metabolically to fluctuating light conditions.

Green light for quantitative live-cell imaging in plants.

Plants exhibit an intriguing morphological and physiological plasticity that enables them to thrive in a wide range of environments. To understand the cell biological basis of this unparalleled competence, a number of methodologies have been adapted or developed over the last decades that allow minimal or non-invasive live-cell imaging in the context of tissues. Combined with the ease to generate transgenic reporter lines in specific genetic backgrounds or accessions, we are witnessing a blooming in plant c...

Building Bridges: The Journey of Alabama's Health Action Coalition.

The Alabama Health Action Coalition is a state coalition whose purpose is to enable access to high-quality, safe, and patient-centered health care for all Alabamians by leading change in nursing and health care.

Team building: conceptual, methodological, and applied considerations.

Team building has been identified as an important method of improving the psychological climate in which teams operate, as well as overall team functioning. Within the context of sports, team building interventions have consistently been found to result in improvements in team effectiveness. In this paper we review the extant literature on team building in sport, and address a range of conceptual, methodological, and applied considerations that have the potential to advance theory, research, and applied int...

Trauma Patterns of Drowning after Falling from Bridges over Han River.

Recently, the number of patients who fell or jumped from bridges over Han River has rapidly increased. However, the injury patterns and outcomes of these patients have been poorly characterized. The aim of this study was to determine the injury characteristics of these patients.

Biofilms in shower hoses.

Shower hoses offer an excellent bacterial growth environment in close proximity to a critical end-user exposure route within building drinking water plumbing. However, the health risks associated with and processes underlying the development of biofilms in shower hoses are poorly studied. In a global survey, biofilms from 78 shower hoses from 11 countries were characterized in terms of cell concentration (4.1 × 104-5.8 × 108 cells/cm2), metal accumulation (including iron, lead, and copper), and ...

Light sheet microscopy and SrAl2 O4 nanoparticles co-doped with Eu2+ /Dy3+ ions for cancer cell tagging.

Light sheet optical microscopy on strontium aluminate nanoparticles (SrAl2 O4 NPs) co-doped with Eu2+ and Dy3+ were used for cancer cell tagging and tracking. The nanoparticles were synthesized by urea-assisted combustion with optimized percentage values of the two co-doping rare-earth ions for cell viability and for lower cytotoxic effects. The optical properties of these materials showed an excitation wide range of wavelengths (λexc = 254 ~ 460 nm), a broad emission band (λem = 475 ~ 575 nm) with the ma...

Photolabile Hydrogels Responsive to Broad Spectrum Visible Light for Selective Cell Release.

We introduce an efficient method for the preparation of photolabile polymer linkers to be used in the fabrication of bioorthogonal and photodegradable hydrogels. The versatility of this synthesis strategy allows for incorporation of a series of chromophores responsive to addressable wavelengths of UV and broad spectrum visible light. Consequently, selective release of different cell types from composite hydrogels by user-defined timing can be achieved by irradiating the materials with different wavelengths ...

A Platinum(II)-based photosensitive tripod as an effective photodynamic anticancer agent via DNA damage.

Herein, two photosensitive platinum(II)-based tripods were designed and synthesized. Notably, complex 1 ({[Pt(dien)]3L}(NO3)6, L = tri(4-pyridylphenyl)amine and dien = diethylenetriamine), which mainly accumulated in cell nucleus, exhibited very low cytotoxicity in the absence of light irradiation, but displayed remarkably increase cytotoxicity upon visible light irradiation. Mechanistic investigations revealed that 1 interacted with DNA in the nucleus, induced ROS generation upon light irradiation, consequ...

Potential factors that impact the radon level and the prediction of ambient dose equivalent rates of indoor microenvironments.

This study aimed to measure the equilibrium equivalent radon (EECRn) concentration in an old building (Building-1) and a new building (Building-2) with mechanical ventilation and a natural ventilation system, respectively. Both buildings were located at the campus of University Kebangsaan Malaysia. The concentration of indoor radon was measured at 25 sampling stations using a radon detector model DOSEman PRO. The sampling was conducted for 8 h to represent daily working hours. A correlation of the radon c...

Principles of Systems Biology, No. 19.

This month: building bacterial organelles (Kerfeld, Tullman-Ercek), the widening scope of single cell analysis (Takebe, Glass, Rabadan), insights from yeast (Swain, Dunham), and more (Bloom, Romesberg, Gibson).

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