The player will either be a small spaceship trying to defend the solar system by killing the monster or the monster fending off tiny spaceships so it can have some planet-sized snacks. I want to have a somewhat realistic planetary model with s. In the Night Sky. This is a different version to the one found on the album.
Mixle is a game of merging different coloured blocks together to create new blocks with new shapes and new colours.
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There are twenty levels in total and you can play it here: Ludum Dare 35 Game Play. Merging two blocks the same colour creates a shape and changes the colour. Merge all of the blocks until you have the shape. Several different colour blocks are displayed in a grid, Tap two adjacent blocks of the same colour, The blocks merge together and change colour, Repeat until you have the final shape. The LD35 Theme is in! Time for some brainstorming. Ludum Dare 35 Voting.
Ludum Dare, pretty much the only time I update this blog. And Trollhammer is finished! You play the part of Troll, a large and simple troll who is hunting down humans for his dinner. Or take a look at the Ludum Dare contest page. This is Troll, the star of the game: And a very rough idle animation: Tomorrow will be spent animating Troll and the Humans and working on some suitably sinister music. Screen grab of the game so far: The big green square is Troll. The small white rectangles are humans.
I was going to have it so when Troll jumps and lands the camera shakes and the villagers pause for a second. This gives Troll the chance to catch everyone. This is very powerful so I was going to temper it by giving Troll a five second recovery period. Which seems a bit unfair. A rough idea of the game play. After irradiating, these Spirulina were cultured under the same conditions.
During the course of the experiment, the growth rate, photosynthetic efficiency and nutrition quality of the Spirulina , were analyzed. Only small changes in the morphology of algae filament were found at dose less than 1. Spirulina had stronger ionization radiation proof and self-rehabilitation capacity, but the growth of Spirulina was stagnated. Gamma-ray resistance of the blue-green alga , Synechocystis. The radioresistance of this organism is high: In spite of the long shoulder, the dose fractionation does not show any repair of sublethal damage.
Keeping the cells in a quiescent phase after irradiation enables the repair of potentially lethal damage [fr. The most striking feature of the A. PCu structure is the absence of the beta-turn, formed at the remote site by residues 58 - 61 in most higher plant plastocyanins. The displacement caused by the absence PCu] found in other plastocyanins. Moreover, the extra residues of A. PCu from Pro77 to Asp79 form an appended loop. These two features allow A. PCu to retain almost the same global fold as observed Each of the 5 treatments was The dry weight dosage selected was similar to that which was experimentally Ruminal atony and mild bloat developed.
The three cows that first vent down had low pretreatment blood calcium concentrations of 6. The rumen contraction rate slowed from one contraction per minute predosing to one contraction every three minutes. UV-induced developmental abnormalities in the filamentous blue-green alga Nostoc linckia.
Germinating spores of Nostoc linckia showed higher resistance against UV-irradiation compared to resting spores, maximal resistance being attained more rapidly in the presence of ammonium nitrogen. UV-irradiated germinating spores on further growth formed colonies consisting of abnormally large and spheroidal cells under non-photoreactivating conditions. The formation and fate of these abnormal cells was followed in detail in a mutant clone M-5 raised from such a colony.
Many of these cells formed spores which on return to growth-conducdive conditions germinated giving rise to different types of germlings from the abnormals which in certain cases proved lethal. Blue-green luminescent CdZnSeS nanocrystals synthesized with activated alkyl thiol. Semiconductor nanocrystals with blue-green luminescence are potentially useful in various applications, but the preparation has not been easy compared to regular semiconductor nanocrystals with emission in the orange-red range.
In this research alloyed CdZnSeS nanocrystals with luminescence covering the wavelength range from to nm are obtained by a one-step method with the assistance of alkyl thiol compound 1-dodecanethiol, which serves both as the sulfur source and surface ligand. Besides, the amount of 1-dodecanethiol in the reaction mixture can influence the emission wavelength by restricting the growth of nanocrystals.
The dual control of both particle composition and size has enabled the tuning of luminescence to cover the blue-green spectral window. This research presents a convenient method to synthesize nanocrystals with tunable blue-green emission; these materials can be useful in advanced technologies such as photovoltaics, lighting and display. EPG waveforms of blue green sharpshooter: High-luminosity blue and blue-green gallium nitride light-emitting diodes. Compact and efficient sources of blue light for full color display applications and lighting eluded and tantalized researchers for many years.
Semiconductor light sources are attractive owing to their reliability and amenability to mass manufacture. However, large band gaps are required to achieve blue color. A class of compound semiconductors formed by metal nitrides, GaN and its allied compounds AIGaN and InGaN, exhibits properties well suited for not only blue and blue-green emitters, but also for ultraviolet emitters and detectors. What thwarted engineers and scientists from fabricating useful devices from these materials in the past was the poor quality of material and lack of p-type doping.
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Both of these obstacles have recently been overcome to the point where highluminosity blue and blue-green light-emitting diodes are now available in the marketplace. Application of blue-green and ultraviolet micro-LEDs to biological imaging and detection. This paper reviews authors' laboratory's work on the development of nitride-based blue-green and ultraviolet microscale LED devices with particular classes of imaging and spectroscopic applications in cellular level biology.
Starting from neuroscience, we illustrate the utility of blue-green micro-LEDs for voltage-sensitive dye imaging of individual neural cells, as well as their ultraviolet counterparts for photostimulation of neurons. Arrays of micro-LEDs are also shown to be useful in projecting spatiotemporal patterns of photoexcitation to study the visual system development in living animals.
As another illustration of the utility of the emerging nitride microdevice technology, we demonstrate the application of UV micro-LED arrays in bio-sensing technology as the core of a real-time fluorescence spectroscopy biowarning system. Studies on allergenic algae of Delhi area: To study distribution of algae in and around Delhi aerobiological surveys were undertaken for two consecutive years September, , to August, The surveys were accomplished by a slide exposure method and b culture plate exposure method.
A total of slides were exposed using Durham's gravity sampling device. Of these, slides were exposed during slides at two meter and at ten meter height and the rest slides were exposed during at ten meter height. A total of culture plates were exposed for one hour and for two hours during and the rest culture plates were exposed during at ten meter height for two hours duration only.
Air was found to be rich in algae flora during the months of September to November. The dominant forms of algae present were all blue greens. This might be due to the relative greater resistance of blue green algae to unfavorable conditions. In vitro antioxidant activity assessment on alcoholic extract of cyanobacteria cultures from Spirulina platensis. The antioxidant supplementation such as vitamin C, E, A and beta carotene etc, has proven to prevent the process of ageing caused by free radicals.
Antioxidants either prevent free radical production or counteract the impeding damage by doing so they are involved in the protection and prevention of cellular damage which is the common pathway for cancer, aging and much disease. The cyanobacteria is a blue green micro algae believed to be a rich antioxidant source, found in abundance in Spiruli Large red cyanobacterial mats Spirulina subsalsa Oersted ex Gomont in the shallow sublittoral of the southern Baltic. Full Text Available We report the first observation of large red cyanobacterial mats in the southern Baltic Sea.
The mats up to 2. The main structure of the mat was formed by cyanobacteria Spirulina subsalsa Oersted ex Gomont; a number of other cyanobacteria, diatoms and nematode species were also present.
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After a few days in the laboratory, the red trichomes of S. After a two-week exposure period, all flasks were filtered. The planktonic algae were measured Aside from the reduction in biomass of the green alga Scenedesmus by Penoxsulam was highly active against the blue-greens Cylindrospermopsis and Anabaena, and the green alga Scenedesmus.
Decay dynamics of blue-green luminescence in meso-porous MCM nanotubes. Time-resolved photoluminescence PL was performed to investigate the decay of blue-green luminescence in MCM nanotubes. The PL decay exhibits a clear nonexponential profile, which can be fitted by a stretched exponential function. In the temperature range from 50 to K the photogenerated carriers become thermally activated with a characteristic energy of 29 meV, which is an indication of the phonon-assisted nonradiative process. The temperature dependence of the lifetime of PL decay has been explained using a model based on the radiative recombination of localized carriers and the phonon-assisted nonradiative recombination.
Blue-green and red photoluminescence in CaTiO3: Sm powders was observed at room temperature with laser excitation at The perovskite-like titanate CT: Sm powders prepared by a soft chemical processing at different temperatures of annealing were structurally characterized by X-ray diffraction XRD and X-ray absorption near-edge structure XANES. The results indicate that the generation of the broad PL band is related to order-disorder degree in the perovskite-like structure.
Direct catalytic hydrothermal liquefaction of spirulina to biofuels with hydrogen. We report herein on acquiring biofuels from direct catalytic hydrothermal liquefaction of spirulina. The component of bio-oil from direct catalytic hydrothermal liquefaction was similar to that from two independent processes including liquefaction and upgrading of biocrude. However, one step process has higher carbon recovery, due to the less loss of carbons.
It was demonstrated that the yield and HHV of bio-oil from direct catalytic algae with hydrothermal condition is higher than that from two independent processes. Fish with red fluorescent eyes forage more efficiently under dim, blue-green light conditions. Natural red fluorescence is particularly conspicuous in the eyes of some small, benthic, predatory fishes. Fluorescence also increases in relative efficiency with increasing depth, which has generated speculation about its possible function as a "light organ" to detect cryptic organisms under bluish light.
Here we investigate whether foraging success is improved under ambient conditions that make red fluorescence stand out more, using the triplefin Tripterygion delaisi as a model system. The experiment was repeated for two levels of brightness, a shaded one representing 0.
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However, this effect was significant under the heavily shaded light treatment only. This outcome corroborates previous predictions that fluorescence may be an adaptation to blue-green , heavily shaded environments, which coincides with the opportunistic biology of this species that lives in the transition zone between exposed and heavily shaded microhabitats. Full Text Available Abstract Background Spirulina is a commercial alga well known to contain various antioxidants, especially phycocyanin. The primary objective of this study was to assess the antioxidant activity of aqueous extract from Spirulina based on its protective effect against cell death induced by free radicals.
Methods The antioxidant activity of the cold water extract from food-grade Spirulina platensis was assessed using both chemical and cell-based assays. The extract reduced significantly p Conclusions The results showed that aqueous extract of Spirulina has a protective effect against apoptotic cell death due to free radicals. The potential application of incorporating Spirulina into food products and beverages to enhance their antioxidant capacity is worth exploring. Algae -production in the desert. The company Koor Food Ltd.
Israel developed in co-operation with the Weizmann-Institute Israel a production-plant for the industrial cultivation of algae in the desert area of Elat. For almost a year now, they succeed in harvesting large amounts of algae material with the help of the intensive sun and the Red Sea water. The alga Dunaliella with the natural US -carotine, as well as the alga Spirulina with the high content of protein find their market in the food-, cosmetic- and pharma-industry.
This article will give a survey of a yet here unusual project. The radioactivity of spirulina and its heavy elements. Spirulina is one of the three classes of algae that have the ability to accumulate contaminants from the environment in which they live. The main aim of this work is to study the radioactive contamination of Spirulina using gamma spectrometry and to determine its content of heavy elements using the technique of X-ray fluorescence analysis. Use of detector and Gamma Vision software, in the laboratory of nuclear analysis of the I nstitut National des Sciences et Techniques Nucleaires -Madagascar INSTN-Madagascar , allowed us to find some amount of radioactive elements such as potassium, lead, thallium and bismuth.
The elements found in the laboratory of X-ray fluorescence analysis, of the same institute, using the conventional method along with the XRF AXIL software are calcium, iron, magnesium, bromine, rubidium and strontium as well as heavy elements zinc and copper. Kg -1 and the average concentration of the radioactive element is Analysis results leads us to say that it is best to consume spirulina from well secured against pollution greenhouse culture and we can say that we need to improve crops in natural environments.
The origin of blue-green window and the propagation of radiation in ocean waters. A review of the present knowledge about the origin of blue-green window in the attenuation spectrum of ocean waters is presented. The various physical mechanisms which contribute to the formation of the window are dealt separately and discussed.
The typical values of attenuation coefficient arising out of the various processes are compiled to obtain the total beam attenuation coefficient. These values are then compared with measured values of attenuation coefficient for ocean waters collected from Arabian sea and Bay of Bengal. The region of minimum attenuation in pure particle-free sea water is found to be at to nm. It is shown that in the presence of suspended particles and chlorophyll, the window shifts to longer wavelength side.
Some suggestions for future work in this area are also given in the concluding section. Microscopic origin of the fast blue-green luminescence of chemically synthesized non-oxidized silicon quantum dots. The microscopic origin of the bright nanosecond blue-green photoluminescence PL , frequently reported for synthesized organically terminated Si quantum dots Si-QDs , has not been fully resolved, hampering potential applications of this interesting material.
Here a comprehensive study of the PL. Microbial synthesis of silver nanoparticles by Streptomyces glaucus and Spirulina platensis. For the first time in Georgia a novel actinomycete strain Streptomyces glaucus 71 MD isolated from a soy rhizosphere has been used for microbial synthesis of silver nanoparticles. The Transmission Electron Microscopy TEM images revealed that most of the particles produced by these microorganisms from AgNO 3 are spherical-like in shape with an average size of 13 nm.
The Scanning Electron Microscope SEM allowed one to observe extracellular synthesis of nanoparticles, which has many advantages from the point of view of applications. Production of silver nanoparticles proceeds extracellularly with the participation of another microorganism, blue-green microalgae Spirulina platensis.
It is shown that the production rate of the nanoparticles depends not only on the initial concentration of AgNO 3 but also varies with time in a no monotonic way. The displacement caused by the absence of this turn is compensated Effects of some inorganic elements on nitrogen-fixation in blue-green algae and some ecological aspects of pollution. Nitrogen-fixation by two species of Nostoc, one of them a lichen phycobiont, was generally stimulated by low concentrations of arsenic, cadmium, nickel, lead, palladium, and zinc.
With the exception of palladium and zinc at low concentrations these six tested elements tended to inhibit nitrogen-fixation in Chlorogloea fritschii and Westiellopsis sp. On the occurrence of blooms of blue-green algae and the associated oceanographic conditions in the Northern Indian Ocean. Green roof and storm water management policies: Nevertheless, there is no specific policy promoting their implementation neither in Europe nor in France.
Moreover they are not taken into account and usually considered as an impervious area in the sizing of a retention basin for instance. Since a large 1 ha wavy-form vegetated roof called bleu green wave is implemented. Green roof area and impervious areas are connected to a large retention basin, which has been oversized. The blue green wave represents a pioneering site where an initially amenity decorative design project has been transformed into a research oriented one.
Several measurement campaigns have been conducted to investigate and better understand the hydrological behaviour of such a structure. Rainfall, humidity, wind velocity, water content and temperature have been particularly studied. The data collected are used for several purposes: Based on monitoring and modeling results, green roof performances will be quantified.
It will be possible to estimate how they can reduce stormwater runoff and how these performances can vary in space and in time depending on green roof configuration, rainfall event characteristics and antecedent conditions. These quantified impacts will be related to regulation rules established by stormwater managers in order to connect the parcel to the sewer network. In the particular case of the building of a retention basin, the integration of green roof in the sizing of the basin will be studied. This work is funded by the European Blue Green Dream project http: Dinosaur origin of egg color: According to the sexual signaling hypothesis, the reconstructed blue-green eggs support the origin of previously hypothesized avian paternal care in oviraptorid dinosaurs.
Preserved dinosaur egg color not only pushes the current limits of the vertebrate molecular and associated soft tissue fossil record, but also provides a perspective on the potential application of this unexplored paleontological resource. Electron transfer in silicon-bridged adjacent chromophores: Si-Bridged chromophores have been proposed as sources for blue-green emission in several technological applications.
The origin of this dual emission is to be found in an internal charge transfer reaction. The current work is an attempt to describe the details of these processes in these kinds of substances, and to design a molecular architecture to improve their performance. Nuclear motions essential for intramolecular charge transfer ICT can involve processes from twisted internal moieties to dielectric relaxation of the solvent.
To address these issues, we studied ICT between adjacent chromophores in a molecular compound containing N-isopropylcarbazole CBL and 1,4-divinylbenzene DVB linked by a dimethylsilylene bridge. The CT character of the additional emission band was concluded from the linear dependence of the fluorescence maxima on solvent polarity. Steady-state and picosecond time-resolved fluorescence experiments in butyronitrile K showed that the ICT excited state arises from the LE state of carbazole. These results were analyzed and found to be in accordance with an adiabatic version of Marcus theory including solvent relaxation.
To assess the contribution of blue-green pigments of Pseudomonas aeruginosa to hemolytic activity of its cultural fluid. Eight hospital strains and reference strain ATCC were used. Growth dynamics of strains as well as features of accumulation of hemolytic and phospholipase activity were studied. Purified samples of pyoverdin and pyocyanin were extracted by gel-chromatography and chloroform extraction methods. Hemolytic and lecitinase activities of the samples as well as effect of active oxygen scavengers and chelating agents on these activities were studied.
Dynamics of accumulation of hemolytic activity significantly differed from that of phospholipase activity when strains were grown in liquid medium. Chromatographic separation of the pigments from cultural fluid supernatants sharply reduced its hemolytic activity. Purified samples of pyoverdin and pyocyanin were capable to lyse erythrocytes and chicken egg lecitin. These characteristics of the pigments were inhibited by nitroblue tetrazolium and sensitive to chelating agents.
Pyoverdin and pyocyanin of pathogenic strains of P. Lytic activity of the pigments is blocked by nitroblue tetrazolium and susceptible to some chelating agents. Apparently, this activity is mediated by superoxide radical and determined by presence of metals with transient valence in pigments' molecules. Sustainable Urban Drainage Systems SuDS deliver ecosystems services that can potentially yield multiple benefits to the urban environment.
The BGS paradigm, however, presents several challenges, in particular quantifying the benefits and creating the scientific evidence-base that can persuade high-level decision-makers and stakeholders to implement BGS at large scale. This work presents the development of the easily implemented and tailored-made approach that allows a robust assessment of the BGS co-benefits, and can influence the types of information that are included in policy impact assessments.
The approach enables mapping the interactions between individual BGS selection criteria, and creates a platform to assess the synergetic benefits that arise from components interactions. By working with Government departments and other public and private sector stakeholders, this work has produced a simple decision criteria-based network that will enable the co-benefits and trade-offs of BGS to be quantified and integrated into UK policy appraisals.
Urban areas around the world are growing in size and importance; however, cities experience elevated risks of pluvial flooding due to the prevalence of impermeable land surfaces within them. Urban planners and engineers encounter a great deal of uncertainty when planning adaptations to these flood risks, due to the interaction of multiple factors such as climate change and land use change. This leads to conditions of deep uncertainty. Blue-Green BG solutions utilise natural vegetation and processes to absorb and retain runoff while providing a host of other social, economic and environmental services.
When utilised in conjunction with Decision Making under Deep Uncertainty DMDU methodologies, BG infrastructure provides a flexible and adaptable method of "no-regret" adaptation; resulting in a practical, economically efficient, and socially acceptable solution for flood risk mitigation. This work presents the methodology for analysing the impact of BG infrastructure in the context of the Adaptation Tipping Points approach to protect against pluvial flood risk in an iterative manner. An economic analysis of the adaptation pathways is also conducted in order to better inform decision-makers on the benefits and costs of the adaptation options presented.
Our results show that BG infrastructure performs better under conditions of uncertainty than traditional grey infrastructure. Antioxidant activity of the microalga Spirulina maxima. Spirulina maxima, which is used as a food additive, is a microalga rich in protein and other essential nutrients.
The aim of the present study was to evaluate the antioxidant capacity of a Spirulina extract. The antioxidant activity of a methanolic extract of Spirulina was determined in vitro and in vivo. The in vitro antioxidant capacity was tested on a brain homogenate incubated Keywords; Algae , cells lysis, Fatty acids, gas chromatography time-of-flight mass spectrometry, water quality Factors such as municipal and industrial. A comprehensive assessment of water security can incorporate several water-related concepts, while accounting for Blue and Green Water BW and GW types defined in accordance with the hydrological processes involved.
Here we demonstrate how a quantitative analysis of provision probability and use of BW and GW can be conducted, so as to provide indicators of water scarcity and vulnerability at the basin level. To provide a more comprehensive basis for decision making, we analyze the BW and GW-Footprint components against probabilistic levels 50th and 30th percentile of freshwater availability for human activities, during a 23 year period.
Several contrasting situations of BW provision are distinguished, using different hydrological-based methodologies for specifying monthly Environmental Flow Requirements EFRs , and the risk of natural EFR violation is evaluated by use of a freshwater provision index. Our results reveal clear spatial and temporal patterns of water scarcity and vulnerability levels within the basin.
Taking into account conservation targets for the basin, it appears that the more restrictive EFR methods are more appropriate than the method currently employed at the study basin. Coupled one-dimensional 1D sewer and two-dimensional 2D overland flow hydrodynamic models were constructed to evaluate the flood mitigation efficiency of a renowned blue-green stormwater retrofit, i.
However, basement flooding could still be a potential problem depending on the magnitude of the inflows through combined sewer from upstream areas. Moreover, interactions between blue-green retrofits and the surrounding pipe-system were studied.
This is a substantial advantage for downstream pipe-bound catchments, as they do not receive a cloudburst-equivalent runoff from the retrofitted catchment, but a reduced flow corresponding to a much milder rainfall. Blue-green retrofits are more effective if primarily implemented in the upstream areas of a pipe-bound catchment since the resulting reduced runoff and levelled out discharge would benefit the entire network lying downstream.
Implementing blue-green retrofits from upstream towards downstream can be considered as a sustainable approach. A total of species, representing 8 Cyanobacteria blue-green algae , 82 Rhodophyta red algae , 6 Heterokontophyta brown algae and 28 Chlorophyta green algae , are reported from both islands.
Seventy-nine and 95 species of marine benthic algae are recorded from Jarvis Island and Kingman Reef, respectively. Biochar production from freshwater algae by slow pyrolysis. Full Text Available A study on the feasibility of biochar production from 3 kinds of freshwateralgae, viz. Spirulina , Spirogyra and Cladophora, was undertaken. Using a slow pyrolysis process in a specially designed reactor, biochar could be generated at oC under nitrogen atmosphere. Spirulina is a commercial alga well known to contain various antioxidants, especially phycocyanin. The antioxidant activity of the cold water extract from food-grade Spirulina platensis was assessed using both chemical and cell-based assays.
The results showed that aqueous extract of Spirulina has a protective effect against apoptotic cell death due to free radicals. Guidance values for microcystins in water and cyanobacterial supplement products blue-green algal supplements: This article reviews current scientific knowledge on the toxicity and carcinogenicity of microcystins and compares this to the guidance values proposed for microcystins in water by the World Health Organization, and for blue-green algal food supplements by the Oregon State Department of Health.
The basis of the risk assessment underlying these guidance values is viewed as being critical due to overt deficiencies in the data used for its generation: In reiterating the state-of-the-art toxicology database on microcystins and in the light of new data on the high degree of toxin contamination of algal food supplements, this review clearly demonstrates the need for improved kinetic data of microcystins in humans and for discussion concerning uncertainty factors, which may result in a lowering of the present guidance values and an increased routine control of water bodies and food supplements for toxin contamination.
Similar to the approach taken previously by authorities for dioxin or PCB risk assessment, the use of a toxin equivalent approach to the risk assessment of microcystins is proposed. Layer-by-layer assembly of multicolored semiconductor quantum dots towards efficient blue , green , red and full color optical films. Multicolored semiconductor quantum dots have shown great promise for construction of miniaturized light-emitting diodes with compact size, low weight and cost, and high luminescent efficiency. The unique size-dependent luminescent property of quantum dots offers the feasibility of constructing single-color or full-color output light-emitting diodes with one type of material.
In this paper, we have demonstrated the facile fabrication of blue -, green -, red- and full-color-emitting semiconductor quantum dot optical films via a layer-by-layer assembly technique. The optical films were constructed by alternative deposition of different colored quantum dots with a series of oppositely charged species, in particular, the new use of cationic starch on glass substrates. Semiconductor ZnSe quantum dots exhibiting blue emission were deposited for fabrication of blue-emitting optical films, while semiconductor CdTe quantum dots with green and red emission were utilized for construction of green- and red-emitting optical films.
The assembly of integrated blue , green and red semiconductor quantum dots resulted in full-color-emitting optical films. The luminescent optical films showed very bright emitting colors under UV irradiation, and displayed dense, smooth and efficient luminous features, showing brighter luminescence in comparison with their corresponding quantum dot aqueous colloid solutions. The assembled optical films provide the prospect of miniaturized light-emitting-diode applications.
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The acceptability of various culinary products based on the algae spirulina was tested by questionaire: Spirulina are little appreciated in France due to offensive color, smell and taste. Tomato and chocolate are the most acceptable flavors. Lyophilisation is preferable to atomisation, and discoloration using alcohol is preferable to the acetone method. The hydrolysate obtained, having neither the smell nor the taste of algae , is excellent.
Nitrogen, sodium and potassium balances were recorded in 5 undernourished subjects fed via a gastric tube. The spirulina provided respectively 15 p. There were no intestinal problems. The spirulina did not modify the investigated balances. However, faecal nitrogen increased to 2.
In man as in animals, nitrogen retention is satisfactory, but digestibility is diminished. Uric acid did not vary in the urine, but serum values increased slightly. Ingestion of spirulina in small doses even over a long period should be tolerable in the normal subject. Investigation into feed utilisation by fore-aged silver carp Hypophthalmichthys molitrix using double-marked algae 14C and 51Cr. The blue-green alga Microcystis firma and two green algae , Dunaliella viridis and Chlorella vulgaris, were double-marked with 14 C and 51 Cr.
The 51 Cr was used as an indicator to measure the assimilation efficiency of fore-aged silver carp for radiocarbon. The assimilation efficiency values obtained were To select suitable light source for micro- algae cultivation in future space station, the selected Spirulina plastensis No.
The growth, photosynthetic efficiency and nutrition quality of the Spirulina , were analyzed. It is concluded that the LEDs can be used as the light resource of micro- algae cultivation. The normal growth and development of microalgae need two light sources of both red and blue LEDs. The comprehensive analyses of the various factors that affect the growth of Spirulina , such as nutrition quality and photosynthetic activities, etc. Production of phenolic compounds from Spirulina maxima Also, the protective efficacy of Spirulina polyphenolic SPP extracts against Ecological studies on algae isolated from the effluents of an oil refinery, a fertilizer factory and a brewery.
The studies indicate that algae can tolerate and grow in highly polluted waters. The blue-green algae , flagellates and euglenoids are mostly associated with organically rich effluents, low in dissolved oxygen, whereas waters rich in nitrogenous compounds favor the growth of green algae , e. A combination of algal and chemical characteristics may be successfully employed to evaluate the water quality of a given habitat. Here a comprehensive study of the PL from alkyl-terminated Si-QDs of nm size, prepared by wet chemical synthesis is reported. Results obtained on the ensemble and those from the single nano-object level are compared, and they provide conclusive evidence that efficient and tunable emission arises due to radiative recombination of electron-hole pairs confined in the Si-QDs.
This understanding paves the way towards applications of chemical synthesis for the development of Si-QDs with tunable sizes and bandgaps. Aesthetically Pleasing Conjugated Polymer: We report on the significant differences between the spin-coating of laboratory solar cells and slot-die coating of a blue-green colored, low bandgap polymer PGREEN. Help us improve our Author Pages by updating your bibliography and submitting a new or current image and biog. Showing 6 Results Books: Knights of Elevar 19 Apr Read this and over 1 million books with Kindle Unlimited.
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