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

04:31 EDT 20th September 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+

Critically ill neonates with coarctation of the aorta: Building bridges to the future.

Building Bridges to Advance Specialty Practice: Updates and Accomplishments by the American Academy of Emergency Nurse Practitioners.

Anaphase: a fortune-teller of genomic instability.

The anaphase of mitosis is one of the most critical stages of the cell division cycle in that it can reveal precious information on the fate of a cell lineage. Indeed, most types of nuclear DNA segregation defects visualized during anaphase are manifestations of genomic instability and augur dramatic outcomes, such as cell death or chromosomal aberrations characteristic of cancer cells. Although chromatin bridges and lagging chromatin are always pathological (generating aneuploidy or complex genomic rearran...

Simplified Perovskite Solar Cell with 4.1% Efficiency Employing Inorganic CsPbBr as Light Absorber.

Perovskite solar cells with cost-effectiveness, high power conversion efficiency, and improved stability are promising solutions to the energy crisis and environmental pollution. However, a wide-bandgap inorganic-semiconductor electron-transporting layer such as TiO can harvest ultraviolet light to photodegrade perovskite halides, and the high cost of a state-of-the-art hole-transporting layer is an economic burden for commercialization. Here, the building of a simplified cesium lead bromide (CsPbBr ) perov...

Longevity of anterior resin bonded bridges: Survival rates of two tooth preparation designs.

Significant developments have occurred in the design of resin bonded bridges (RBBs) over the past two decades. They are commonly used as an alternative treatment option for a single missing tooth. The longevity of these bridges needs to be further investigated to evaluate long term outcomes for this option to remain relevant.

Blue light versus red light for photodynamic therapy of basal cell carcinoma in patients with Gorlin syndrome: A bilaterally controlled comparison study.

Photodynamic therapy (PDT) is a non-scarring alternative for treating basal cell carcinoma (BCC) in patients with Basal Cell Nevus Syndrome (BCNS), also known as Gorlin syndrome. In Europe, red light (635 nm) is the predominant source for PDT, whereas in the United States blue light (400 nm) is more widely available. The objective of this study was to conduct a head-to-head comparison of blue light and red light PDT in the same BCNS patients.

Single cell transcriptomics in neuroscience: cell classification and beyond.

Biology has been facing a daunting problem since the cell was understood to be the building block of metazoans: how do we study multicellular systems, when a universal approach to characterize their building blocks and classify them does not exist? Metazoan diversity has not helped: there are many model and non-model organisms, developmental and adult stages, healthy and diseased states. Here, I review the application of single cell transcriptomics to cell classification in neuroscience and its corollaries:...

Numerical and experimental study on noise reduction of concrete LRT bridges.

Rolling noise and structure-borne noise radiating from the bridge are two major sources of noise in light rapid transit (LRT) bridges. To control the noise radiation from LRT bridges, an efficient numerical method for noise prediction is needed. In this study, a combined three-dimensional dynamic model and 2.5-dimensional acoustic model were used to investigate noise reduction in a rail and in a U-shaped girder bridge. The effects of three noise mitigation measures on noise control were then compared: insta...

Building Bridges between Gerontology and Elder Law.

Academics have long called for greater interaction between gerontologists and legal scholars. However, prior studies have suggested that disciplinary borders remain a barrier to such interaction, hampering gerontology's ability to function as a truly multi- or interdisciplinary field.

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.

Mutual interaction of red blood cells assessed by optical tweezers and scanning electron microscopy imaging.

The adhesion of red blood cells (RBC) has been studied extensively in frame of cell-to-cell interaction induced by dextran macromolecules, whereas the data are lacking for native plasma solution. We apply optical tweezers to investigate the induced adhesion of RBC in plasma and in dextran solution. Two hypotheses, cross-bridges and depletion layer, are typically used to describe the mechanism of cell interaction; however, both mechanisms need to be confirmed experimentally. These interactions in fact are ve...

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.

Dose analysis of photobiomodulation therapy on osteoblast, osteoclast, and osteocyte.

The objective of this study was to evaluate the effects of varying light doses on the viability and cellular activity of osteoblasts, osteocytes, and osteoclasts. A light application device was developed to apply 940-nm wavelength light from light-emitting diodes on three cultured cells, MC3T3-E1, MLO-A5, and RANKL-treated RAW264.7 cells. The doses (energy density) on cells were 0, 1, 5, and 7.5  J  /  cm2. The corresponding light power densities at the cell site were 0, 1.67, 8.33, and 12.5 ...

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).

Estimation of the bacteriochlorophyll c oligomerisation extent in Chloroflexus aurantiacus chlorosomes by very low-frequency vibrations of the pigment molecules: A new approach.

In green photosynthetic bacteria, the chlorosomal bacteriochlorophyll molecules are organized via self-assembly and do not require proteins to provide a scaffold for efficient light harvesting. Despite numerous investigations, a consensus regarding the spatial structure of chlorosomal antennae has not yet been reached. For the first time, we demonstrated by coherent femtosecond spectroscopy at cryogenic temperature that the very low-frequency (~10 cm) vibrations of bacteriochlorophyll c pigments in isolat...

Visible light controls cell adhesion on a photoswitchable biointerface.

Bioactive surfaces with specific interactions with cells have been greatly interested due to their potential applications in biosensors and tissue engineering. Herein, we fabricated a dopamine contained photoswitch molecule (compound 1) which could form self-assembled monolayer (SAM) on substrates. The SAM showed a good photoswitch ability and manifested excellent fatigue resistance, which displayed its potential application as a biologically friendly surface coating. Contact angle analysis and cell experim...

Transcriptome analysis of the cyanobacterium Synechocystis sp. PCC 6803 and mechanisms of photoinhibition tolerance under extreme high light conditions.

Photoinhibition, or cell damage caused by excessively intense light is a major issue for the industrial use of cyanobacteria. To investigate the mechanism of responses to extreme high light intensity, gene expression analysis was performed using the model cyanobacterium Synechocystis sp. PCC 6803 (PCC 6803) cultured under various light intensities. The culture profile data demonstrated that, in contrast to the slow cell growth observed under low light intensities (30 and 50 μmol m s), maximal cell growt...

Light or thermally-powered autonomous rolling of an elastomer rod.

Specially arranged external stimuli or carefully designed geometry are often essential for realizing continuous autonomous motion of active structures without self-carried power. As a consequence, it is usually very challenging to further integrate those structures as active building blocks into a system with complex form and multifunction. In this letter, we report an autonomous motion of a surprisingly simple setup: a cylindrical elastomer rod on a flat hot surface or under homogenous illumination of visi...

Blue light emitting diodes irradiation causes cell death in colorectal cancer by inducing ROS production and DNA damage.

The light emitting diodes (LEDs) irradiation has been demonstrated to be potential therapeutic strategies for several diseases. However, the blue LED effects remain largely unknown in colorectal cancer (CRC), which is a major cause of morbidity and mortality throughout the world. In this study, we determined the effects of blue LED irradiation, the maximal light emission at 470 nm in wavelength, in human CRC cell lines SW620 and HT29. The cells were irradiated with blue LED light for 0 J/cm, 72 J/cm, ...

The effect of different light intensities and light/dark regimes on the performance of photosynthetic microalgae microbial fuel cell.

This study develops a photosynthetic microalgae microbial fuel cell (PMMFC) engaged Chlorella vulgaris microalgae to investigate effect of light intensities and illumination regimes on simultaneous production of bioelectricity, biomass and wastewater treatment. The performance of the system under different light intensity (3500, 5000, 7000 and 10,000 lx) and light/dark regimes (24/00, 12/12, 16/8 h) was investigated. The optimum light intensity and light/dark regimes for achieving maximum yield of PMMFC...

Interactions Between the Perception of Light and Temperature.

Expanding the acceptable range of indoor temperatures allows to reduce building energy consumption and may be beneficial for health. Therefore, we explored whether light conditions can be used to influence thermal perception under various ambient temperatures. In two laboratory experiments we tested the effect of the correlated colour temperature of light (2700 K and 5800 K) and its intensity (5 lux and 1200 lux) on thermal perception. The light exposures were provided during cool, neutral and warm thermal ...

Naphtho1,2-b:5,6-b'dithiophene-Based Conjugated Polymers for Fullerene-Free Inverted Polymer Solar Cells.

Three novel copolymers based on zigzag naphthodithiophene (zNDT) with different aromatic rings as π bridges and different core side substitutions are designed and synthesized (PzNDT-T-1,3-bis(4-(2-ethylhexyl)-thiophen-2-yl)-5,7-bis(2-ethylhexyl)benzo[1,2-c:4,5-c']-dithiophene-4,8-dione (BDD), PzNDT-TT-BDD, and PzNDTP-T-BDD, respectively). The 2D conjugation structure and molecular planarity of the polymers can be effectively altered through the modification of conjugated side chains and π-bridges. These a...

Prospectively Isolated Tetraspanin Neoblasts Are Adult Pluripotent Stem Cells Underlying Planaria Regeneration.

Proliferating cells known as neoblasts include pluripotent stem cells (PSCs) that sustain tissue homeostasis and regeneration of lost body parts in planarians. However, the lack of markers to prospectively identify and isolate these adult PSCs has significantly hampered their characterization. We used single-cell RNA sequencing (scRNA-seq) and single-cell transplantation to address this long-standing issue. Large-scale scRNA-seq of sorted neoblasts unveiled a novel subtype of neoblast (Nb2) characterized b...

Building professionals' intention to use smart and sustainable building technologies - An empirical study.

Smart and sustainable buildings save energy and material resources and provide a comfortable environment that enhances their occupants' well-being and productivity. It is therefore crucial to understand how building professionals, including designers, engineers, and contractors, view smart and sustainable buildings and what drives them towards smart and sustainable building technologies. This study identifies salient smart and sustainable building features from building professionals' perspective and explor...

Eleven quick tips for running an interdisciplinary short course for new graduate students.

Quantitative reasoning and techniques are increasingly ubiquitous across the life sciences. However, new graduate researchers with a biology background are often not equipped with the skills that are required to utilize such techniques correctly and efficiently. In parallel, there are increasing numbers of engineers, mathematicians, and physical scientists interested in studying problems in biology with only basic knowledge of this field. Students from such varied backgrounds can struggle to engage proactiv...

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