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PubMed Journals Articles About "20152023 World Cellulose Sponge Market Research Report Product" RSS

23:49 EDT 16th October 2018 | BioPortfolio

20152023 World Cellulose Sponge Market Research Report Product PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest 20152023 World Cellulose Sponge Market Research Report Product articles that have been published worldwide.

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Showing "20152023 World Cellulose Sponge Market Research Report Product" PubMed Articles 1–25 of 41,000+

Cellulose hydrogel with tunable shape and mechanical properties: From rigid cylinder to soft scaffold.

Cellulose hydrogel from aqueous solution of lithium bromide demonstrated excellent tunability of mechanical property and shape. A series of compression tests showed that cellulose hydrogel covered a wide range of mechanical property, where the compressive Young's modulus was controllable from 30 kPa to 1.3 MPa by changing the initial concentration of cellulose solution. Meanwhile, the diameter of the building block of gel, namely nano-fibrous cellulose, was constant at 15-20 nm irrelevant of the initi...


Penicillilactone A, a novel antibacterial 7-membered lactone derivative from the sponge-associated fungus Penicillium sp. LS54.

One novel 7-membered lactone derivative, penicillilactone A (1), together with two known compounds, rugulosin A (2) and rugulosin (3) were isolated from the sponge-derived fungus Penicillium sp. LS54. Their structures were elucidated on the basis of spectroscopic analysis and comparison with literature data. Remarkably, penicillilactone A (1) is the first natural product containing a 7-membered lactone ring fused with a furan core. Penicillilactone A (1) exhibited moderate antibacterial activity against aqu...

Sponges-Cyanobacteria associations: Global diversity overview and new data from the Eastern Mediterranean.

Sponge-cyanobacteria associations have attracted research interest from an ecological, evolutionary and biotechnological perspective. Current knowledge is, in its majority, "hidden" in metagenomics research studying the entire microbial communities of sponges, while knowledge on these associations is totally missing for certain geographic areas. In this study, we (a) investigated the occurrence of cyanobacteria in 18 sponge species, several of which are studied for the first time for their cyanobionts, from...


Marine sponge microbial association: Towards disclosing unique symbiotic interactions.

Sponges are sessile benthic filter-feeding animals, which harbor numerous microorganisms. The enormous diversity and abundance of sponge associated bacteria envisages sponges as hot spots of microbial diversity and dynamics. Many theories were proposed on the ecological implications and mechanism of sponge-microbial association, among these, the biosynthesis of sponge derived bioactive molecules by the symbiotic bacteria is now well-indicated. This phenomenon however, is not exhibited by all marine sponges....

Two new steroids with cytotoxicity from the marine sponge Dactylospongia elegans collected from the South China Sea.

A new steroid, (3S,5R,9R,10S,13R,17R,20R,24S,22E)-ergosta-6,8,22-triene-3,25-diol (1), and its sulfonated analogue (2) together with a known one, 5α,8α-epidioxy-cholest-6-en-3β-ol (3) were isolated from the marine sponge Dactylospongia elegans collected from the South China Sea. The new structures including absolute configurations were established by the HRESIMS and 1D and 2D NMR analysis coupled with the X-ray crystal analysis. Both of 1 and 2 exhibited cytotoxicity against cancer cell line MCF-7 with I...

The struggle for existence in the world market ecosystem.

The global trade system can be viewed as a dynamic ecosystem in which exporters struggle for resources: the markets in which they export. We can think that the aim of an exporter is to gain the entirety of a market share (say, car imports from the United States). This is similar to the objective of an organism in its attempt to monopolize a given subset of resources in an ecosystem. In this paper, we adopt a multilayer network approach to describe this struggle. We use longitudinal, multiplex data on trade ...

Direct conversion of cellulose into ethanol and ethyl-β-d-glucoside via engineered Saccharomyces cerevisiae.

Simultaneous saccharification and fermentation (SSF) of cellulose via engineered Saccharomyces cerevisiae is a sustainable solution to valorize cellulose into fuels and chemicals. In this study, we demonstrate the feasibility of direct conversion of cellulose into ethanol and a bio-degradable surfactant, ethyl-β-d-glucoside, via an engineered yeast strain (i.e., strain EJ2) expressing heterologous cellodextrin transporter (CDT-1) and intracellular β-glucosidase (GH1-1) originating from Neurospora crassa. ...

A lung phantom model to study pulmonary edema using lung ultrasound surface wave elastography.

Lung ultrasound surface wave elastography (LUSWE) is a novel technique used to measure superficial lung tissue stiffness. A phantom study was carried out in the study described here to evaluate the application of LUSWE to assess lung water for pulmonary edema. A lung phantom model with cellulose sponge was used; various volumes of water were injected into the sponge to model lung water. Shaker-generated surface wave propagation on the sponge surface was recorded by a 10-MHz ultrasound probe at three shaker ...

Fabrication and characterization of Chinese giant salamander skin composite collagen sponge as a high-strength rapid hemostatic material.

Chinese giant salamander (CGS) has high medicinal value and long history of clinical use in ancient China. In this study, CGS skin (CGSS) collagen was extracted and purified to prepare collagen sponge by freeze-drying. TEMPO oxidized microfibrillated cellulose (TEMPO-MFC) and genipin were adopted to improve the mechanical properties of collagen sponge. The hygroscopicity, porosity, mechanical properties, hemostatic performance, morphology, and biodegradability of the resultant sponges were investigated in d...

Conductive Graphene-Melamine Sponge Prepared via Microwave Irradiation.

A conductive graphene-melamine sponge prepared via microwave irradiation is reported in this paper. Graphene oxide supported on melamine sponge was pre-reduced firstly at 100 °C and then further reduced in a household microwave oven at over 1000 °C. It was surprise to find that graphene oxide on melamine sponge was reduced perfectly while the three-dimensional structure of melamine sponge was kept well after high temperature reduction via microwave irradiation. Slightly pyrolysis of melamine sponge was al...

Examining Hookah as an Introduction to Nicotine Products among College Students.

Limited data exist on what young adults report as their first-ever nicotine product; some evidence suggests that they report hookah as their first product smoked.

Synthesis of Large Mesoporous-Macroporous and High Pore Volume, Mixed Crystallographic Phase Manganese Oxide, MnO/MnO Sponge.

The controlled synthesis of mixed crystallographic phase MnO/MnO sponge material by varying heating rates and isothermal segments provides valuable information about the morphological and physical properties of the obtained sample. The well-characterized MnO/MnO sponge and applicability of difference in reactivity of H and CO desorbed during the synthesis provide new developments in the synthesis of metal oxide materials with unique morphological and surface properties. We report the preparation of a MnO/Mn...

Osteoclastogenesis Inhibitory Polyketides from the Sponge-associated fungus Xylaria feejeenisis.

A new ten-membered macrolide (1) and a new α-pyrone derivatives (-)-annularin C (2), together with fourteen known analogues (3-16) were isolated from the EtOAc extract of the fungus Xylaria feejeenisis isolated from the South China Sea sponge Stylissa massa. The structures of the new compounds were elucidated by the spectroscopic analysis, and comparison with reported data. The absolute configuration was determined by the optical rotation and ECD experiments. In an in vitro test, compounds 1, 5 and 9 exhib...

Effect of 1-aminocyclopropane-1-carboxylic acid (ACC)-induced ethylene on cellulose synthase A (CesA) genes in flax (Linum usitatissimum L. 'Nike') seedlings.

Cellulose microfibril is a major cell wall polymer that plays an important role in the growth and development of plants. The gene cellulose synthase A (CesA), encoding cellulose synthases, is involved in the synthesis of cellulose microfibrils. However, the regulatory mechanism of CesA gene expression is not well understood, especially during the early developmental stages.

A high crosslinking grade of hyaluronic acid found in a dermal filler causing adverse effects.

Facial treatments with dermal fillers for medical or esthetic purposes occasionally give rise to adverse effects, ranging from temporary effects such as reddening of the skin, to long term effects such as hardening of tissue. There appears to be a relationship between the lifetime of the filler product and the risk for adverse effects. The lifetime of hyaluronic acid-based fillers is dependent on the presence and amount of crosslinking agents such as 1,4-butanediol diglycidyl ether (BDDE). It would therefor...

Slow pyrolysis polygeneration of bamboo (Phyllostachys pubescens): Product yield prediction and biochar formation mechanism.

Slow pyrolysis of bamboo was conducted at 400-600 °C and pyrolysis products were characterized with FTIR, BET, XRD, SEM, EDS and GC to establish a pyrolysis product yield prediction model and biochar formation mechanism. Pyrolysis biochar yield was predicted based on content of cellulose, hemicellulose and lignin in biomass with their carbonization index of 0.20, 0.35 and 0.45. The formation mechanism of porous structure in pyrolysis biochar was established based on its physicochemical property evolution...

Rab-H1b Is Essential for Trafficking of Cellulose Synthase and for Hypocotyl Growth in Arabidopsis thaliana.

Cell-wall deposition of cellulose microfibrils is essential for plant growth and development. In plant cells, cellulose synthesis is accomplished by cellulose synthase complexes located in the plasma membrane. Trafficking of the complex between endomembrane compartments and the plasma membrane is vital for cellulose biosynthesis; however, the mechanism for this process is not well understood. We here report that, in Arabidopsis thaliana, Rab-H1b, a Golgi-localized small GTPase, participates in the trafficki...

Completely amorphous cellulose biosynthesized in agitated culture at low temperature.

The morphology and structure of the biosynthesized cellulose are related to the culture methods and conditions. In order to investigate the detail culture conditions, the Gluconacetbacter xylinum 1.1812 (ATCC 23767) strains were cultivated in static culture at 12 and 30 °C, and agitated culture at 12 °C. The cellulose samples were analyzed by FESEM, FTIR, CP/MAS C NMR, WAXRD and TGA. The cellulose membrane produced in static medium at 30 °C is made up of the microfibrils with a width of 60-90 nm,...

Crop Protection Discovery - Is Being the First Best?

Current crop protection chemicals span an array of chemistry classes and modes of action. Typically, within each chemistry class there are multiple chemically distinct active ingredients competing with each other for market position. In this competition, the first product to market in a new class or mode of action may or may not have an advantage depending on a number of parameters including relative efficacy against the target pests, pest resistance, regulatory pressures, synthetic complexity, and marketin...

Effects of market type and time of purchase on oxidative status and descriptive off-odors and off-flavors of beef in Vietnam.

The objective of the current study was to determine the effects of market type (super market - SM, indoor market - IM, open market - OM) and sampling time (at the opening - T0 and 4 h after the opening - T4) on antioxidant capacity, lipid oxidation, and descriptive sensory attributes of beef in Vietnam. Values of FC and TEAC were greater in OM beef than IM and SM (P 

Forecasting new product diffusion using both patent citation and web search traffic.

Accurate demand forecasting for new technology products is a key factor in the success of a business. We propose a way to forecasting a new product's diffusion through technology diffusion and interest diffusion. Technology diffusion and interest diffusion are measured by the volume of patent citations and web search traffic, respectively. We apply the proposed method to forecast the sales of hybrid cars and industrial robots in the US market. The results show that that technology diffusion, as represented ...

Structural Analysis of Cellulose-Coated Oil-in-Water Emulsions Fabricated from Molecular Solution.

Natural cellulose has been used as a coating to stabilize oil-in-water (o/w) emulsions by exploiting the amphiphilic character of the cellulose chains molecularly dissolved in the ionic liquid (IL) 1-ethyl-3-methylimidazolium acetate (EMIMAc). Its cellulose coating exhibits a continuous amorphous structure which differs significantly from cellulose particle stabilization used in Pickering emulsions. The structure of these cellulose-coated o/w emulsion particles, in particular the cellulose coating shell cha...

Flavour Capsule Variants' Performance in a "Dark Market": Implications for Standardised Packaging.

By increasing excise taxes, eliminating tobacco marketing and requiring standardised (plain) packaging of tobacco products, governments internationally have reduced smoking's allure. Yet product innovations, such as flavour capsule variants (FCVs), remain unregulated and may appeal to non-smokers. We examined the growth of FCVs in a country with a progressive policy environment.

Suggestion for a subdivision of processed meat products on the Danish market based on their content of carcinogenic compounds.

Carcinogenic effects in humans are ascribed to processed meat by organisations such as International Agency for Research on Cancer, World Cancer Research Fund and American Institute for Cancer Research. However, the term 'processed meat' covers a heterogenic group of products whose content of potential hazards differ considerably. To improve estimates of associations between processed meat intake and cancer risk we investigated ways to divide processed meat into subgroups that more precisely reflects its ca...

A top-down approach to produce protein-functionalized and highly thermally stable cellulose fibrils.

Protein-functionalized cellulose fibrils, having various amounts of covalently bonded proteins at their surface, were successfully extracted from the tunic of Pyura Chilensis tunicates using successive alkaline extractions. Pure cellulose fibrils were also obtained by further bleaching and were used as reference material. Extraction yields of protein-functionalized cellulose fibrils were within the range of 62-76% by weight based on the dry initial tunic powder. Fourier-transform infrared and Raman spectros...


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