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https://www.readbyqxmd.com/read/28088091/solar-to-chemical-and-solar-to-fuel-production-from-co2-by-metabolically-engineered-microorganisms
#1
REVIEW
Han Min Woo
Recent development of carbon capture utilization (CCU) for reduction of greenhouse gas emission are reviewed. In the case of CO2 utilization, I describe development of solar-to-chemical and solar-to-fuel technology that refers to the use of solar energy to convert CO2 to desired chemicals and fuels. Photoautotrophic cyanobacterial platforms have been extensively developed on this principle, producing a diverse range of alcohols, organic acids, and isoprenoids directly from CO2. Recent breakthroughs in the metabolic engineering of cyanobacteria were reviewed...
January 11, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28087425/variations-of-metabolites-and-proteome-in-lonicera-japonica-thunb-buds-and-flowers-under-uv-radiation
#2
Wei Zhu, Wen Zheng, Xingjiang Hu, Xiaobao Xu, Lin Zhang, Jingkui Tian
Lonicera japonica Thunb., also known as Jin Yin Hua and Japanese honeysuckle, is used as a herbal medicine in Asian countries. Its flowers have been used in folk medicine in the clinic and in making food or healthy beverages for over 1500years in China. To investigate the molecular processes involved in L. japonica development from buds to flowers exposed to UV radiation, a comparative proteomics analysis was performed. Fifty-four proteins were identified as differentially expressed, including 42 that had increased expression and 12 that had decreased expression...
January 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28087417/culture-media-based-selection-of-endothelial-cells-pericytes-and-perivascular-resident-macrophage-like-melanocytes-from-the-young-mouse-vestibular-system
#3
Jinhui Zhang, Songlin Chen, Jing Cai, Zhiqiang Hou, Xiaohan Wang, Allan Kachelmeier, Xiaorui Shi
The vestibular blood-labyrinth barrier (BLB) is comprised of perivascular-resident macrophage-like melanocytes (PVM/Ms) and pericytes (PCs), in addition to endothelial cells (ECs) and basement membrane (BM), and bears strong resemblance to the cochlear BLB in the stria vascularis. Over the past few decades, in vitro cell-based models have been widely used in blood-brain barrier (BBB) and blood-retina barrier (BRB) research, and have proved to be powerful tools for studying cell-cell interactions in their respective organs...
January 10, 2017: Hearing Research
https://www.readbyqxmd.com/read/28086808/a-quiet-harvest-linkage-between-ritual-seed-selection-and-the-historical-use-of-the-finger-bladed-knife-as-a-traditional-plant-breeding-tool-in-ifugao-philippines
#4
REVIEW
Kevin M Murphy
The transverse harvest knife, also commonly called the finger or finger-bladed knife, has been utilized by rice farmers in southeast Asia for many centuries. The finger knife persisted in many traditional cultures long after the introduction of the sickle, a tool which provided farmers with the means to execute a much faster harvest. Several theories in interpretative archaeology have attempted to account for this rejection of more modern technological innovations. These theories, which include community-based social organization ideas and practical reasons for the continued use of the finger knife, are presented in this paper...
January 13, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28079979/a-general-strategy-to-enhance-the-performance-of-dye-sensitized-solar-cells-by-incorporating-light-harvesting-dye-with-hydrophobic-polydiacetylene-electrolyte-blocking-layer
#5
Shih-Sheng Sun, Mekonnen Abebayehu Desta, Chia-Wei Liao
A unique strategy for effectively suppressing charge recombination and enhancing light harvesting in dye-sensitized solar cells (DSSCs) is demonstrated by designing a new dipolar organic dye functionalized with a diacetylene unit, which is capable of undergoing photoinduced cross-linking reaction to generate a hydrophobic polydiacetylene layer. The polydiacetylene layer serves as not only an electrolyte-blocking layer to effectively block the approaching of the oxidized redox mediator and supress the dark current but also light-harvesting role by efficient energy transfer to the dipolar dyes...
January 12, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28076619/oxidative-stress-in-human-aorta-of-patients-with-advanced-aortoiliac-occlusive-disease
#6
Márcio Luís Lucas, Cristina Campos Carraro, Adriane Belló-Klein, Antonio Nocchi Kalil, Newton Aerts
Introduction: Oxidative stress seems to be a role in the atherosclerosis process, but research in human beings is scarce. Objective: To evaluate the role of oxidative stress on human aortas of patients submitted to surgical treatment for advanced aortoiliac occlusive disease. Methods: Twenty-six patients were divided into three groups: control group (n=10) formed by cadaveric organ donors; severe aortoiliac stenosis group (patients with severe aortoiliac stenosis; n=9); and total aortoiliac occlusion group (patients with chronic total aortoiliac occlusion; n=7)...
November 2016: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28072519/single-molecule-fluorescence-spectroscopy-of-photosynthetic-systems
#7
Toru Kondo, Wei Jia Chen, Gabriela S Schlau-Cohen
Photosynthesis begins when a network of pigment-protein complexes captures solar energy and transports it to the reaction center, where charge separation occurs. When necessary (under low light conditions), photosynthetic organisms perform this energy transport and charge separation with near unity quantum efficiency. Remarkably, this high efficiency is maintained under physiological conditions, which include thermal fluctuations of the pigment-protein complexes and changing local environments. These conditions introduce multiple types of heterogeneity in the pigment-protein complexes, including structural heterogeneity, energetic heterogeneity, and functional heterogeneity...
January 10, 2017: Chemical Reviews
https://www.readbyqxmd.com/read/28070608/xuebijing-injection-treatment-inhibits-vasopermeability-and-reduces-fluid-requirements-in-a-canine-burn-model
#8
F-B Tang, Y-L Dai, S Hu, L-Q Ma, J-Y Li, H-P Zhang, W-H Zhang, Y-G Li, H-B Wang, H-Y Lin, Q Hu, L Li
OBJECTIVE: High vasopermeability and excessive inflammation following severe burns may result in tissue edema, organ dysfunction and the loss of circulatory plasma volume, which can influence the doctor to do the prognosis to the patients. The study aims to examine whether Xuebijing injection (XBJ), an extracts of a traditional Chinese medicine used to treat sepsis in clinic, can reduces fluid requirements by inhibiting vasopermeability and tissue edema in a canine model after burn injury...
January 9, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28069469/an-improved-protocol-for-harvesting-bacillus-subtilis-colony-biofilms
#9
Felix Matthias Fuchs, Adam Driks, Peter Setlow, Ralf Moeller
Bacterial biofilms cause severe problems in medicine and industry due to the high resistance to disinfectants and environmental stress of organisms within biofilms. Addressing challenges caused by biofilms requires full understanding of the underlying mechanisms for bacterial resistance and survival in biofilms. However, such work is hampered by a relative lack of systems for biofilm cultivation that are practical and reproducible. To address this problem, we developed a readily applicable method to culture Bacillus subtilis biofilms on a membrane filter...
January 7, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28069386/sleep-influences-the-immune-response-and-the-rejection-process-alters-sleep-pattern-evidence-from-a-skin-allograft-model-in-mice
#10
Francieli Silva Ruiz, Monica Levy Andersen, Camila Guindalini, Leandro Pires Araujo, José Daniel Lopes, Sergio Tufik
INTRODUCTION: Sleep generally regulates immune functions in a supportive manner and can affect parameters that are directly involved in the rejection process. STUDY OBJECTIVES: The first objective was to assess whether sleep deprivation (SD) or sleep restriction (SR) affects the allograft rejection process in mice. The second objective was to investigate whether the rejection process itself modulates the sleep pattern of allografted mice. DESIGN: Adult BALB/c and C57BL/6J male mice were used as the donors and recipients, respectively, except for the syngeneic group (ISOTX), which received skin from mice of the same strain (C57BL/6J)...
January 6, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28066876/the-terrestrial-green-macroalga-prasiola-calophylla-trebouxiophyceae-chlorophyta-ecophysiological-performance-under-water-limiting-conditions
#11
Andreas Holzinger, Klaus Herburger, Kathrin Blaas, Louise A Lewis, Ulf Karsten
The phylogenetic placement of Prasiola calophylla, from an anthropogenic habitat previously shown to contain a novel UV sunscreen compound, was confirmed by analysis of its rbcL gene. This alga has the capacity to tolerate strong water-limiting conditions. The photosynthetic performance and ultrastructural changes under desiccation and osmotic stress were investigated. Freshly harvested thalli showed an effective quantum yield of PSII [Y(II)] of 0.52 ± 0.06 that decreased to ∼60% of the initial value at 3000 mM sorbitol, and 4000 mM sorbitol led to a complete loss of Y(II)...
January 9, 2017: Protoplasma
https://www.readbyqxmd.com/read/28063298/a-novel-z-scheme-bipo4-bi2o2-oh-no3-heterojunction-structured-hybrid-for-synergistic-photocatalysis
#12
Guoshuai Liu, Shijie You, Hong Huang, Ming Ma, Nanqi Ren
Photocatalysis has been gaining a growing popularity in water treatment, and their engineered applications inspire the development of effective photocatalyst materials. To develop photocatalyst that is effective for degradation of organic pollutants, we fabricate a novel direct solid Z-scheme BiPO4-Bi2O2(OH)(NO3) (BPO-BHN) heterojunction structured hybrid. The results demonstrate an enhanced photocatalytic activity of BPO-BHN to produce OH radicals, according to diffuse reflectance spectroscopy (DRS), electron spin-resonance resonance (ESR), photoelectrochemical measurements, and theoretical calculation results...
December 23, 2016: Chemosphere
https://www.readbyqxmd.com/read/28061931/synergistic-effect-of-hormones-and-biosolids-on-scenedesmus-abundans-for-eliciting-total-biolipids
#13
Chelladurai Chellamboli, Muthiah Perumalsamy
  This study states an integrated approach to grow Scenedesmus abundans in the presence of biostimulants as a robust flourishing organism pertaining to attain the maximum yield of the biodiesel through transesterification. These assessments are especially targeted to achieve the appreciable profit on biodiesel using three biostimulants such as, Indole 3-acetic acid (3 IAA), 6-Benzylaminopurine (6 BAP), and Gibberellic acid (GA) hormones. The proposed schema proved a rise in biomass; as well as lipid content, compared with an alga grown in the absence of hormones...
December 1, 2016: Water Environment Research: a Research Publication of the Water Environment Federation
https://www.readbyqxmd.com/read/28061527/covalent-functionalization-of-organic-nanoparticles-by-aryl-diazonium-chemistry-and-their-solvent-dependent-self-assembly
#14
Sreedevi Krishnakumar, Karical R Gopidas
A simple method for covalent functionalization of Fréchet-type dendron nanoparticles (FDN) by tris-bipyridylruthenium(II) is described. Covalent functionalization is achieved by chemically reducing the diazo derivative of a ruthenium(II) bipyridine complex in the presence of FDNs wherein the radical species generated gets covalently linked to the nanoparticle surface. Simplicity, rapidity and robustness are the advantages offered by the present approach. The nanoparticles, post functionalization, were characterized by transmission electron microscopy (TEM), energy dispersive X-ray analysis (EDX), thermogravimetric analysis (TGA), and IR, UV-visible, and NMR spectroscopic techniques...
January 6, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28061037/single-port-laparoscopic-surgery-can-be-performed-safely-and-appropriately-for-colon-cancer-short-term-results-of-a-pilot-randomized-controlled-trial
#15
Byung Mo Kang, Sun Jin Park, Kil Yeon Lee, Suk-Hwan Lee
INTRODUCTION: Single-port laparoscopic surgery (SPLS) has gained popularity due to its cosmetic benefit, and therefore, has been applied to several kinds of benign operations, such as appendectomy and cholecystectomy. The safety and suitability of SPLS for colon cancer has not been widely proved. We aimed at validating the safety, efficacy, and short-term quality of life (QOL) of SPLS compared with conventional laparoscopic surgery (CLS) in patients with colon cancer. MATERIALS AND METHODS: Between June 2010 and April 2011, a total of 62 patients with pathology-proven colon cancer were randomly allocated to two groups: SPLS and CLS...
January 6, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28058213/face-transplantation-anesthetic-challenges
#16
REVIEW
Aparna Dalal
Face transplantation is a complex vascular composite allotransplantation (VCA) surgery. It involves multiple types of tissue, such as bone, muscles, blood vessels, nerves to be transferred from the donor to the recipient as one unit. VCAs were added to the definition of organs covered by the Organ Procurement and Transplantation Network Final Rule and National Organ Transplant Act. Prior to harvest of the face from the donor, a tracheostomy is usually performed. The osteotomies and dissection of the midface bony skeleton may involve severe hemorrhagic blood loss often requiring transfusion of blood products...
December 24, 2016: World Journal of Transplantation
https://www.readbyqxmd.com/read/28057398/selenium-speciation-profiles-in-biofortified-sangiovese-wine
#17
Maria Chiara Fontanella, Roberto D'Amato, Luca Regni, Primo Proietti, Gian Maria Beone, Daniela Businelli
Biofortification is an agronomic-based strategy, utilized by farmers, to produce selenium (Se)-enriched food products that may help reduce dietary deficiencies of Se occurring throughout susceptible regions of the world. The foliar exposure route application ensures a high efficiency of Se assimilation by the plant since it does not depend on root-to-shoot translocation. In this study we treated grapevines of Sangiovese variety in the pre-flowering period with sodium selenate (100mg Se L(-1)). Se content was measured in leaves, fruit at harvest time and in wine respectively in treated and not treated samples with ICP-MS...
December 19, 2016: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28057115/-effects-of-extracellular-regulated-protein-kinases-protein-and-impairment-of-blood-testis-barriar-stucturein-of-mice-with-exposure-to-decabromodiphenyl-ether
#18
J Li, R X Dai, D J Chen, C M Wang, H F Lin, Y R Li, J Tang, J X Zhai
Objective: To study changes in expression of claudin-11 and proteins related to mitogen-activated protein kinase (MAPK) signaling pathways, as well as the ultrastructure of the blood testis barrier (BTB), in male ICR mice exposed to decabromodiphenyl ether (BDE-209). Methods: Fifty-two mice, 4 weeks of age, weighing 15-21 g, were provided with adaptive feeding for 1 week. Mice were randomly divided into 4 groups, named control, low-dose, medium-dose and high-dose groups. The treated groups received BDE-209, by intragastric gavage, at doses, respectively, of 100, 300 and 500 mg/kg...
December 6, 2016: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/28053209/comparison-between-ground-ant-hymenoptera-formicidae-communities-foraging-in-the-straw-mulch-of-sugarcane-crops-and-in-the-leaf-litter-of-neighboring-forests
#19
N S Silva, L P Saad, D R Souza-Campana, O C Bueno, M S C Morini
In many sugarcane plantations in Brazil, the straw is left on the soil after harvesting, and vinasse, a by-product of the production of sugar and ethanol, is used for fertigation. Our goal was to compare ant community composition and species richness in the straw mulch of sugarcane crops with the leaf litter of neighboring forests. We tested the hypothesis that ant communities in the straw mulch of vinasse-irrigated sugarcane crops and in the forest leaf litter were similar, because the combination of straw mulching and vinasse irrigation has a positive effect on soil fauna...
January 4, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28050612/versatile-plasmonic-effects-at-the-interface-of-inverted-perovskite-solar-cells
#20
Ahmed Esmail Shalan, Tomoya Oshikiri, Hiroki Sawayanagi, Keisuke Nakamura, Kosei Ueno, Quan Sun, Hui-Ping Wu, Eric Wei-Guang Diau, Hiroaki Misawa
Plasmonics is a highly promising approach to enhancing the light-harvesting properties of hybrid organic/inorganic perovskite solar cells. In the present work, our cells have a p-i-n inverted planar structure. An ultrathin NiO film with two different thicknesses of 5 and 10 nm prepared by a pulsed laser deposition process on an ITO substrate with a faceted and furrowed surface enabled the formation of a continuous and compact layer of well-crystallized CH3NH3PbI3via an anti-solvent chlorobenzene process. The coverage mechanism of the NiO film on the ITO was clearly demonstrated through the J-V and external quantum efficiency (EQE) curves...
January 4, 2017: Nanoscale
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