Showing 1-30 of 220 results for "

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Ling Li et al.
Nature materials, 13(5), 501-507 (2014-04-01)
Hierarchical composite materials design in biological exoskeletons achieves penetration resistance through a variety of energy-dissipating mechanisms while simultaneously balancing the need for damage localization to avoid compromising the mechanical integrity of the entire structure and to maintain multi-hit capability. Here...
Xuefeng Li et al.
Soft matter, 11(15), 3022-3033 (2015-03-05)
Structural and frictional behaviours of sodium alginate (SA)/polyacrylamide (PAAm) ionic-covalent hybrid, sequential double-network (DN) hydrogels against glass have been investigated in water, NaCl and CaCl2 aqueous solutions using a rotational rheometer. Dilution of adsorptive elastohydrodynamic friction for the PAAm covalent...
Asako Shimada et al.
Journal of chromatography. A, 1371, 163-167 (2014-12-03)
A method for separation of Mo from Zr, Nb, and other major elements of rubble samples from the Fukushima Daiichi Nuclear Power Station (FDNPS) was developed to enable 93Mo assay of the rubble samples. Although (93)Mo analysis has been reported...
A Gonzalez-Martinez et al.
Biofouling, 31(4), 333-348 (2015-05-23)
A bench-scale pure moving bed bioreactor-membrane bioreactor (MBBR-MBR) used for the treatment of urban wastewater was analyzed for the identification of bacterial strains with the potential capacity for calcium carbonate and struvite biomineral formation. Isolation of mineral-forming strains on calcium...
Jun-Yee Leong et al.
ACS applied materials & interfaces, 7(30), 16169-16176 (2015-07-07)
Ionotropic gelation has been an attractive method for the fabrication of biopolymeric oil-core microcapsules due to its safe and mild processing conditions. However, the mandatory use of a nozzle system to form the microcapsules restricts the process scalability and the...
Bernd Bayerlein et al.
Nature materials, 13(12), 1102-1107 (2014-10-20)
Significant progress has been made in understanding the interaction between mineral precursors and organic components leading to material formation and structuring in biomineralizing systems. The mesostructure of biological materials, such as the outer calcitic shell of molluscs, is characterized by...
Dana M Lindemann et al.
Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians, 44(1), 196-199 (2013-03-20)
A 6-yr-old male red kangaroo (Macropus rufus) presented for a history of inappetance, abnormal behavior, and unconfirmed elimination for 6 hr prior to presentation. Based on abdominal ultrasound, abdominocentesis, and cystocentesis, a presumptive diagnosis of urinary tract obstruction with uroabdomen...
María-Ángeles Del-Castillo-Alonso et al.
Journal of the science of food and agriculture, 95(2), 409-416 (2014-05-14)
Ultraviolet (UV) radiation induces adaptive responses that can be used for plant production improvement. The aim of this study was to assess the effect of solar UV exclusion on the physiology and phenolic compounds of leaves and berry skins of...
Caitlin Meyer et al.
CANNT journal = Journal ACITN, 22(4), 33-35 (2013-02-19)
In summary, Binaphos CM, a magnesium carbonate/calcium carbonate combination phosphate binder, is marketed for treating elevated phosphate levels in dialysis patients. Although studies using magnesium/calcium carbonate as a phosphate binder are short term with small numbers of patients, this phosphate...
Yuta Kishi et al.
International journal of molecular sciences, 16(10), 24820-24838 (2015-10-23)
Poly(ADP-ribosyl)ation is known to be involved in a variety of cellular processes, such as DNA repair, cell death, telomere regulation, genomic stability and cell differentiation by poly(ADP-ribose) polymerase (PARP). While PARP inhibitors are presently under clinical investigation for cancer therapy...
Giselle S Cavalcanti et al.
The ISME journal, 8(1), 52-62 (2013-08-30)
Rhodoliths are free-living coralline algae (Rhodophyta, Corallinales) that are ecologically important for the functioning of marine environments. They form extensive beds distributed worldwide, providing a habitat and nursery for benthic organisms and space for fisheries, and are an important source...
Charlène B S S Danoux et al.
Acta biomaterialia, 17, 1-15 (2015-02-14)
The biological performance of bone graft substitutes based on calcium phosphate bioceramics is dependent on a number of properties including chemical composition, porosity and surface micro- and nanoscale structure. However, in contemporary bioceramics these properties are interlinked, therefore making it...
Yoshika Suzawa et al.
International journal of molecular sciences, 16(6), 14245-14258 (2015-06-26)
Hydroxyapatite (HA) or calcium carbonate (CaCO3) formed on an organic polymer of agarose gel is a biomaterial that can be used for bone tissue regeneration. However, in critical bone defects, the regeneration capability of these materials is limited. Mesenchymal stem...
A Parra et al.
Chemosphere, 113, 132-140 (2014-07-30)
The potential use of three Laminaceae species (Lavandula dentata, Rosmarinus officinalis and Thymus vulgaris) for the phytostabilisation of a trace elements contaminated (acid) soil has been evaluated. These species were grown in mine tailing soil unamended (TS) and amended with...
Saurabh Kapoor et al.
Materials science & engineering. C, Materials for biological applications, 53, 252-261 (2015-06-05)
The present study reports on the influence of partial replacement of MgO by ZnO on the structure, crystallisation behaviour and bioactivity of alkali-free bioactive glass-ceramics (GCs). A series of glass compositions (mol%): 36.07 CaO-(19.24-x) MgO-x ZnO-5.61 P2O5-38.49 SiO2-0.59 CaF2 (x=2-10)...
Som Niyogi et al.
Aquatic toxicology (Amsterdam, Netherlands), 165, 109-119 (2015-06-10)
Metal binding to fish gills forms the basis of the biotic ligand model (BLM) approach, which has emerged as a useful tool for conducting site-specific water quality assessments for metals. The current BLMs are designed to assess the toxicity of...
Daniel Bravo et al.
Archives of microbiology, 197(1), 65-77 (2014-11-10)
The oxalate-carbonate pathway (OCP) is a biogeochemical set of reactions that involves the conversion of atmospheric CO2 fixed by plants into biomass and, after the biological recycling of calcium oxalate by fungi and bacteria, into calcium carbonate in terrestrial environments....
M S Fernández et al.
Journal of structural biology, 191(3), 263-271 (2015-08-16)
Comparative analyzes of biomineralization models have being crucial for the understanding of the functional properties of biominerals and the elucidation of the processes through which biomacromolecules control the synthesis and structural organization of inorganic mineral-based biomaterials. Among calcium carbonate-containing bioceramics...
Catarina G Carvalho et al.
Pediatric nephrology (Berlin, Germany), 30(3), 497-502 (2014-09-05)
Cortical bone represents nearly 80 % of human bone mass and is the major determinant of bone strength; however, cortical bone parameters and their relationship to trabecular bone in the pediatric chronic kidney disease (CKD) population have not been evaluated. Biochemical...
Ahmad Anas Nagoor Gunny et al.
Pakistan journal of biological sciences : PJBS, 16(18), 960-964 (2014-02-08)
Production cost of enzyme is largely determined by the type of the strain and raw material used to propagate the strain. Hence, selection of the strain and raw materials is crucial in enzyme production. For Glucose oxidase (GOx), previous studies...
Manjeet B Pimparade et al.
International journal of pharmaceutics, 487(1-2), 167-176 (2015-04-19)
The objective of this study was to develop caffeine citrate orally disintegrating tablet (ODT) formulations utilizing hot-melt extrusion technology and evaluate the ability of the formulation composition to mask the unpleasant bitter taste of the drug using in vitro and...
Esther Mae Valliant et al.
Journal of biomaterials applications, 30(1), 61-70 (2015-01-30)
Aluminum-free glass ionomer cements (GICs) are under development for orthopedic applications, but are limited by their insufficient handling properties. Here, the addition of calcium polyphosphate (CPP) was investigated as an additive to an experimental zinc-silicate glass ionomer cement. A 50%...
Vitamin D and cognition: recommendations for future trials.
Cedric Annweiler et al.
Journal of the American Geriatrics Society, 61(6), 1049-1050 (2013-06-19)
Salam Nimaichand et al.
International journal of systematic and evolutionary microbiology, 63(Pt 12), 4546-4551 (2013-08-03)
Strain MBRL 34(T), isolated from a sample of limestone quarry located at Hundung, Manipur, India, was characterized by polyphasic taxonomy. The strain showed the highest 16S rRNA gene sequence similarity with Micromonospora echinaurantica DSM 43904(T) (98.4 %), but formed a monophyletic...
F X Suarez-Mena et al.
Journal of dairy science, 98(5), 3417-3431 (2015-03-10)
A series of 3 trials was conducted to determine effects of whole or ground oats in starter grain on reticulorumen fermentation and digestive system development of preweaned calves. Male Holstein calves (43.1±2.3kg at birth; n=8, 9, and 7 for trials...
Yan Zhang et al.
Journal of industrial microbiology & biotechnology, 41(10), 1505-1516 (2014-08-03)
Fermentation of liquid hot water (LHW) pretreated Miscanthus giganteus (MG) by Clostridium beijerinckii NCIMB 8052 was investigated towards understanding the toxicity of lignocellulose-derived inhibitors to solventogenic Clostridium species vis-à-vis butanol production. While C. beijerinckii NCIMB 8052 did not grow in...
Munlika Bootklad et al.
Carbohydrate polymers, 97(2), 315-320 (2013-08-06)
Thermoplastic starch (TPS) was prepared using compression molding and chicken eggshell was used as a filler. The effect of the eggshell powder (EP) on the properties of TPS was compared with the effect of commercial calcium carbonate (CC). The organic...
N E Odling et al.
Journal of contaminant hydrology, 147, 96-111 (2013-03-19)
A multi-borehole pumping and tracer test in fractured chalk is revisited and reinterpreted in the light of fractional flow. Pumping test data analyzed using a fractional flow model gives sub-spherical flow dimensions of 2.2-2.4 which are interpreted as due to...
Gail R Goldberg et al.
The American journal of clinical nutrition, 98(4), 972-982 (2013-09-06)
Dietary calcium intake in rural Gambian women is very low (∼350 mg/d) compared with international recommendations. Studies have suggested that calcium supplementation of women receiving low-calcium diets significantly reduces risk of pregnancy hypertension. We tested the effects on blood pressure...
Vera Bin San Chan et al.
Journal of structural biology, 189(3), 230-237 (2015-01-21)
The serpulid tubeworm, Hydroides elegans, is an ecologically and economically important species whose biology has been fairly well studied, especially in the context of larval development and settlement on man-made objects (biofouling). Nevertheless, ontogenetic changes associated with calcareous tube composition...