Synonyms for Boron compounds in Free Thesaurus. Antonyms for Boron compounds. 2 synonyms for boron: atomic number 5, B. What are synonyms for Boron compounds?

2-Aminoethoxydiphenyl borate (2-APB) is a chemical that acts to inhibit both IP3 receptors[1] and TRP channels (although it activates TRPV1, TRPV2, & TRPV3 at higher concentrations).[2][3] In research it is used to manipulate intracellular release of calcium ions (Ca2+) and modify TRP channel activity, although the lack of specific effects make it less than ideal under some circumstances. Additionally, there is evidence that 2-APB acts directly to inhibit gap junctions made of connexin.[4] Increasing evidence showed that 2-APB is a powerful modifier of store-operated calcium channels (SOC) function, low concentration of 2-APB can enhance SOC while high concentration induces a transient increase followed by complete inhibition.[5][6][7] ...

Page contains details about BODIPY-labeled (PFS-b-PtBA|)-b-(PFS20-b-PMVSOH120)-b-(PFS-b-PtBA)/PFS-b-P2VP/PFS-b-PtBA supermicelles . It has composition images, properties, Characterization methods, synthesis, applications and reference articles : nano.nature.com

A process for producing boron nitride using a boron containing ore as a starting material, by reacting naturally occurring ulexite with ammonia at high temperature, for a boron nitride with high impur

TY - JOUR. T1 - Membrane fluidity and lipid order in ternary giant unilamellar vesicles using a new bodipy-cholesterol derivative. AU - Ariola, Florly S.. AU - Li, Zaiguo. AU - Cornejo, Christine. AU - Bittman, Robert. AU - Heikal, Ahmed A.. N1 - Funding Information: This work was supported by National Science Foundation grant MCB0718741 (A.A.H.) and National Institutes of Health grant AG030949 (A.A.H.). Additional support was provided by National Institutes of Health grant HL-083187 (to R.B.), the Penn State Materials Research Institute, and the Penn State Materials Research Science and Engineering Center (supported by National Science Foundation grant DMR-0213623), and the Lehigh-Penn State Center for Optical Technologies (supported by the Commonwealth of Pennsylvania). PY - 2009. Y1 - 2009. N2 - Cholesterol-rich, liquid-ordered (Lo) domains are believed to be biologically relevant, and yet detailed knowledge about them, especially in live cells under physiological conditions, is elusive. ...

Compositions consisting of the reaction product or complex resulting from the mixing of a transition metal compound such as a tetraalkoxy titanium compound and a boron compound such as a trialkyl boron compound are useful in the preparation of catalysts for polymerizing α-olefins exhibiting ultra-high efficiencies at high polymerization temperatures.

The BODIPY® dyes are among the few fluorescent dyes to contain a boron atom as part of the core structure. Structures and applications of BODIPY® dyes.

Fluorescent probes are useful tools to investigate specific subcellular components in cells, tissues and organisms. A classic application of fluorescent ligands of a specific GPCR (G-protein coupled receptors) is the investigation of the receptor location, and, if their binding is reversible, it could provide pharmacological information such as affinity and proximity between interacting molecules. In cultured cell systems, methods based on fluorescence have permitted to observe the receptor cycling and the formation of oligomeric receptor complexes. In high throughput screening, fluorescent ligands represents a safer, more powerful and more versatile alternative to radioligands. [1] The introduction of the bulky fluorophore into a small molecule ligand could lead to deep modifications not only from a physicochemical point of view but also in its pharmacological properties. [2] In order to allow a correct interaction of the pharmacophore with its receptor, it is usually separated from the ...

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chemBlink provides information about CAS # 174672-06-1, 5-Chloro-1,3-dihydro-1-hydroxy-2,1-benzoxaborole, molecular formula: C7H6BClO2.

The boron complexes of dipyrromethene (BODIPY®) comprise a class of fluorescent dyes that can be used in medical and biological studies. Fluorescent molecular labeling can be obtained by conjugation, or linking fluorescent dyes to certain proteins and peptides, in order to detect interactions, conformational changes and localization of specific peptides and parts of a protein. BODIPY molecules are relatively insensitive to the polarity and pH of their environment and are very stable to physiological conditions. The BODIPY core is strong enough to withstand a series of chemical reactions, and even the smallest changes to their structures enable the activation of their fluorescent properties. Herein, we have successfully synthesized N, N-difluoroboryl-2,8-diethyl-1,3,7,9-tetramethyl-5-(4-isothiocyanatophenyl)-dipyrromethene, BODIPY derivative that is used for conjugation to proteins. Alternative pathway of synthesis is described with regard to literature. During the synthesis, a fluorescent ...

Fluorescent chromophores are compounds that can emit light under certain circumstances. They are useful to chemists as dyes or markers, and can be used for such applications as medical and biological imaging.. In a recent paper that appeared in the Journal of the American Chemical Society, Professor Victor Nemykin (Chemistry and Biochemistry, University of Minnesota Duluth) and his collaborators at the University of Akron (Akron, Ohio) discuss a new fluorescent chromophore, or fluorophore, called BOPHY. (BOPHY stands for bis(difluoroboron)1,2-bis(1H-pyrrol-2-yl)methylene)hydrazine.) This compound is related to a very successful class of fluorophores already in use, the boron dipyrromethene family of compounds. BOPHY is important because it can be produced with a simple two-step procedure, and it is highly fluorescent.. The researchers studied two compounds, the BOPHY chromophore and a tetrameythyl-substituted BOPHY analogue called Me4BOPHY. They investigated the absorption and emissions spectra ...

1-(bromomethyl)-2,3-difluoro-4-methylbenzene chemical properties, What are the chemical properties of 1-(bromomethyl)-2,3-difluoro-4-methylbenzene 261763-43-3, What are the physical properties of 1-(bromomethyl)-2,3-difluoro-4-methylbenzene ect.

bromozinc(1+),2,4-difluoro-1-methanidylbenzene 307496-26-0 NMR spectrum, bromozinc(1+),2,4-difluoro-1-methanidylbenzene H-NMR spectral analysis, bromozinc(1+),2,4-difluoro-1-methanidylbenzene C-NMR spectral analysis ect.

Asymmetric dimers of BODIPY dyes were synthesized from a,c-biladiene salts in good yields; this work constitutes a new versatile approach to the synthesis of BODIPY dyads, which display red-shifted absorptions and emissions in the visible spectral region, higher fluorescence quantum yields and larger Stokes

AbstractThree BODIPY ‐peptide conjugates designed to target the epidermal growth factor receptor (EGFR) at the extracellular domain were synthesized and their specificity for binding to EGFR was investigated. Peptide sequences containing seven amino acids, GLARLLT (2) and KLARLLT (3), and 13 amino acids, GYHWYGYTPQNVI (4), were conjugated to carboxyl BODIPY dye (1) by amide bond formation in up ...

CASTRO, SUSANA PATRICIA. Characterization of the Boron Doping Process UsingBoron Nitride Solid Source DiffusionThe purpose of this research has been to develop an optimum process for the borondoping of implants and polysilicon gates of metal-oxide-semiconductor (MOS) devices.An experimental design was constructed to determine the effects of diffusiontemperature, time, and ambient on characteristics of the doping process. A temperaturerange of 800 to 1000 degrees Celsius was studied with a diffusion time between 10 and60 minutes. Two diffusion ambients were used for doping processes, a pure nitrogenambient and a nitrogen-oxygen gaseous mixture. Device wafers were fabricated, and thetesting of MOS capacitors and van der Pauw test structures was performed to determinethe effect of diffusion conditions on flatband voltage and poly gate doping. Materialscharacterization techniques were used on monitor wafers for each diffusion process todetermine the wafer structure formed for each process and ...

Comprehensive supplier list for Cyclopropanesulfonamide,N-[3,4-difluoro-2-[(2-fluoro-4-iodophenyl)amino]phenyl]-N-methyl-,Cyclopropanesulfonamide,N-[3,4-difluoro-2-[(2-fluoro-4-methylphenyl)amino]phenyl]-

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By Heiner E. Goldbach, Benjavan Rerkasem, Monika A. Wimmer, Patrick H. Brown, Michel Thellier, R.W. Bell. The Boron 97 assembly used to be an excellent good fortune in summarising all contemporary advancements in simple and utilized study on borons functionality, specially in vegetation. New thoughts have on the grounds that been built and new perception has been won into the position of boron in plant and animal metabolism. however, there have been nonetheless plenty of open questions. the purpose of the current workshop held in Bonn as a satellite tv for pc assembly to the overseas Plant nutrients Colloquium was once hence to assemble all genuine details which has been received because the Boron 97 assembly and to bring together wisdom, either from animal and plant sciences. moreover, utilized elements needed to be addressed too, as theres an expanding expertise of boron deficiencies even in plants reminiscent of wheat, that have previously no longer been regarded as conscious of boron ...

2-APB was initially shown to be an antagonist for IP3 receptors, blocking IP3-induced calcium release in cerebellar microsomes with an IC50 of 42 μM (Maruyama et al., 1997) and blocking the IP3 receptor in intact cells at 75 μM (Ma et al., 2000). More recent studies have shown that 2-APB is an even more potent blocker for store-operated calcium entry than for IP3-induced calcium release (for review, see Bootman et al., 2002). Moreover, 2-APB at 100 μM concentrations has been found to block volume-regulated anion channels (Lemonnier et al., 2004), to cause mitochondrial swelling (Peppiatt et al., 2003), and to activate calcium permeable cation channels (Braun et al., 2003). In addition, 2-APB was recently reported to exert opposite effects on members of the TRP gene family, decreasing activity of TRP5 and TRP6 at 20 μM (Xu et al., 2005) and activating TRPV1, TRPV2, and TRPV3 at higher concentrations (Hu et al., 2004).. A recent study revealed an unexpected inhibitory action of 2-APB on gap ...

Structure, properties, spectra, suppliers and links for: 7-(3-Amino-3-methyl-1-azetidinyl)-1-cyclopropyl-6,8-difluoro-4-oxo-1,4-dihydro-3-quinolinecarbox.

A new BODIPY derivative beating piperazine group was synthesized and its fluorescent changes towards metal ions as well as pH are studied. The title compound displayed a moderate selectivity for Hg2+ among the metal ions examined ...

MolCore offers CAS No.2266-48-0, Ethyl 2,2-difluoro-3-oxobutanoate for your research needs.Find product specific information including MFCD00190633,2266-48-0 MSDS,Price,Custom Synthesis.

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In the present study we show that 2-APB is an efficient inhibitor of Drosophila phototransduction, operating both in intact cells and in isolated ommatidia, and that this inhibition partially reverses when the inhibitor is removed. The great interest in 2-APB arises from its reported function as a powerful probe for assessing involvement of InsP3 receptors in cell signaling (Maruyama et al., 1997; Ma et al., 2000). Indeed, the reversible inhibition of InsP3-induced current oscillations in Xenopus oocytes strongly supports previous studies showing that 2-APB blocks Ca2+ release from InsP3-sensitive Ca2+ stores (Maruyama et al., 1997). Furthermore, the failure of 2-APB to block the Ca2+-activated surface membrane Cl− channels while it suppresses the InsP3-induced activity indicates that the action of 2-APB is confined to the signaling stages downstream of InsP3 production, but upstream of the Ca2+ release-activated processes.. The inhibitory effect of 2-APB on ICl,Ca-induced by Ca2+ store ...

Hexagonal boron nitride is a suitable host for single-photon emitters and single-spin centers. Strong single-photon emission has been observed, but the source was not identified. Based on advanced first-principles simulations, the origins have now been pinpointed: the 2 eV emission has been attributed to boron dangling bonds, and 4 eV emission to carbon-carbon dimers. ...

2) If you are unable to determine the boron levels in the soil (technically determination of bio availability boron it is one thing to have a trace element in the soil, its another to have it available for plants to use you need to make sure boron is in your multi tablet ...

Complexation of iminocoumarin derivatives with BF3·OEt2 provides novel N⁁N boron(iii) dyes exhibiting high absorption coefficients and quantum yields as great as 81%. The excellent chemical stability of these dyes enables the grafting of Boranil or Bodipy units to give derivatives in which the Borico subunit

As well as forming triple bonds, boron atoms can now link up chains - in carbon that makes proteins, plastics and alcohols possible

[100 Pages Report] Check for Discount on United States Boron Containing Phenolic Resin Market Report 2017 report by QYResearch Group. In this report, the United States Boron Containing Phenolic Resin...

1-Oleoyl-2-(6-((4,4-difluoro-1,3-dimethyl-5-(4-methoxyphenyl)-4-bora-3a,4a-Diaza-s-indacene-2-propionyl)amino)hexanoyl)-sn-glycero-3- ...

Boron is critical to the growth and health of crops but is needed in small amounts, making it crucial for boron to be delivered evenly in the field.

The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database ...

The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database ...

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View Notes - 25 from CHEM 1000 at Lethbridge College. Chemistry 1000 Lecture 25: Group 14 and Boron Marc R. Roussel Group 14 In this group again, we see a full range of nonmetallic to metallic

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Suppliers List, E-mail/RFQ Form, Molecular Structure, Weight, Formula, IUPAC, Synonyms for Boron Trifluoride-Acetic Acid Complex (CAS No. 373-61-5)

Cubic Boron Nitrates Market delivers detailed analysis, forecasts and discussion of trending Market facts, Market size & share, Market overview.

Now that the fall semester is finally here, I will hopefully have more time to write my posts. Today is all about Diego Diaz and the cool chemistry we recently published in Angewandte (http://onlinelibrary.wiley.com/doi/10.1002/anie.201605754/abstract). Diego did his undergraduate work with Patrick Gunning and came to do PhD in my lab in the Fall of 2014. He quickly…

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TY - JOUR. T1 - Morphology dependence of radial elasticity in multiwalled boron nitride nanotubes. AU - Chiu, H. C.. AU - Kim, S.. AU - Klinke, C.. AU - Riedo, E.. PY - 2012/9/3. Y1 - 2012/9/3. N2 - We report on the measurement of the radial modulus of boron nitride nanotubes (BN-NTs) with various sizes and thicknesses. These BN-NTs are radially much stiffer than previously reported thinner and smaller BN-NTs. Here, we show the key role of the morphology of the nanotubes in determining their radial rigidity; in particular, we find that the external and internal radii, R ext and R int, have a stronger influence on the radial modulus than the nanotubes thickness. The radial modulus decreases nonlinearly with 1/R ext until reaching, for a large number of layers and a large radius, the transverse elastic modulus of bulk h-BN.. AB - We report on the measurement of the radial modulus of boron nitride nanotubes (BN-NTs) with various sizes and thicknesses. These BN-NTs are radially much stiffer than ...

TY - JOUR. T1 - BODIPY-labeled fluorescent aptamer sensors for turn-on sensing of interferon-gamma and adenine compounds on cells. AU - Tsuchiya, Akira. AU - Hashim, Siti N.. AU - Ise, Shoko. AU - Furuhata, Takafumi. AU - Kawai, Kiyohiko. AU - Wakabayashi, Rie. AU - Goto, Masahiro. AU - Kamiya, Noriho. AU - Sando, Shinsuke. PY - 2016/1/1. Y1 - 2016/1/1. N2 - An on-cell aptamer sensor has the potential to reveal cell-cell communications by signalling molecules. We attempted to design new fluorescent aptamer sensors for the sensing of IFN-? and adenine compounds on cells. BODIPY-labeled external quencher-free aptamer sensors have allowed a turn-on detection of the target molecule with improved off/on efficiency.. AB - An on-cell aptamer sensor has the potential to reveal cell-cell communications by signalling molecules. We attempted to design new fluorescent aptamer sensors for the sensing of IFN-? and adenine compounds on cells. BODIPY-labeled external quencher-free aptamer sensors have allowed a ...

This new market research report forecasts on Wurtzite Boron Nitride Market providing complete market figures, consisting market size and estimation by Wurtzite Boron Nitride Market application and products depending upon geographical location for the forecasting period 2017 to 2025. Further, the Wurtzite Boron Nitride Market research report study also encompasses complete industry background, with Wurtzite Boron Nitride Market drivers, competitive market dynamics, market restraints, market growth opportunities, industry challenges and critical success factors (CSFs). The Wurtzite Boron Nitride Market research report examines top industry competitors, offering organization market share analysis and detailed outlines of these firms, with product benchmarking.. Browse Full Report Visit - http://bit.ly/2eO1ezQ. Reasons to Buy This Report :. ...

Boron nitride aerogel is an aerogel made of highly porous boron nitride (BN). It typically consists of a mixture of deformed boron nitride nanotubes and nanosheets. It can have a density as low as 0.6 mg/cm3 and a specific surface area as high as 1050 m2/g, and therefore has potential applications as an absorbent, catalyst support and gas storage medium. BN aerogels are highly hydrophobic and can absorb up to 160 times their mass in oil. They are resistant to oxidation in air at temperatures up to 1200 °C, and hence can be reused after the absorbed oil is burned out by flame. BN aerogels can be prepared by template-assisted chemical vapor deposition at a temperature ~900 °C using borazine as the feed gas. Alternatively it can be produced by ball milling h-BN powder, ultrasonically dispersing it in water, and freeze-drying the dispersion. Song, Yangxi; Li, Bin; Yang, Siwei; Ding, Guqiao; Zhang, Changrui; Xie, Xiaoming (2015). Ultralight boron nitride aerogels via template-assisted chemical ...

Our unique plasma synthesis process produces high quality BNNT material. This process does not use consumable electrodes or metallic catalysts, and is therefore completely free from metallic contaminants.. Our BNNT purified is produced using a proprietary process which removes free Boron. It also offers a high concentration of boron nitride nanotubes with small diameter, high crystallinity and high purity.. ...

In the present work, Boron nitride nanotubes (BNNTs) were synthesized and submitted to a functionalization process (coating) with glucosamine. The nanostructures were physicochemical and morphologically characterized by Scanning Electron Microscopy (SEM), X-ray diffraction (XRD), Raman Spectroscopy and Photon Correlation Spectroscopy (PCS). Furthermore, in vitro tests were conducted to evaluate the cytocompatibility of the nanostructures. The results revealed that nanotubes presented size, polydispersity index and Zeta potential adequate to applied in vivo studies. The cytocompatibility test were conducted in normal MRC-5 fibroblast lung cells, through MTT and DAPI assays. The results revealed, in tested concentrations (0.1; 10; 50; 100; 200 µ/mL), that BNNTs no presented a cytotoxic profile and negligible DNA changes. Considering the results obtained, the BNNTs showed adequate characteristic to be applied as novel carrier system for radioisotope and drug delivery.

A plasma treatment has been used to modify the surface of BNNTs. In one example, the surface of the BNNT has been modified using ammonia plasma to include amine functional groups. Amine functionalization allows BNNTs to be soluble in chloroform, which had not been possible previously. Further functionalization of amine-functionalized BNNTs with thiol-terminated organic molecules has also been demonstrated. Gold nanoparticles have been self-assembled at the surface of both amine- and thiol-functionalized boron nitride Nanotubes (BNNTs) in solution. This approach constitutes a basis for the preparation of highly functionalized BNNTs and for their utilization as nanoscale templates for assembly and integration with other nanoscale materials.

In the present work, based on extensive fully atomistic molecular dynamics simulations, we discuss the dynamics of neon atoms oscillating inside (5,5) single-walled carbon nanotubes (CNTs) and boron nitride nanotubes (BNNTs). Our results show that sustained high-frequency oscillatory regimes are possible for a large range of temperatures. Our results also show that the general features of the oscillations are quite similar to those observed in CNT and BNNT, in contrast with some speculations in previous works in the literature about the importance of broken symmetry and chirality exhibited by BNNTs ...

By combining them with fluorescent molecules, researchers have, for the first time, been able to study the real-time dynamics of boron nitride nanotubes.

M. Yamaguchi,A. Pakdel,C. Y. Zhi,et al. Utilization Of Multiwalled Boron Nitride Nanotubes For The Reinforcement Of Lightweight Aluminum Ribbons[J]. Nanoscale Research Letters,2013,8 ...

Fingerprint Dive into the research topics of The conjugation of diphtheria toxin T domain to poly(ethylenimine) based vectors for enhanced endosomal escape during gene transfection. Together they form a unique fingerprint. ...

TY - JOUR. T1 - An intensified π-hole in beryllium-doped boron nitride meshes. T2 - its determinant role in CO2 conversion into hydrocarbon fuels. AU - Azofra, Luis Miguel. AU - Macfarlane, Douglas. AU - Sun, Chenghua. PY - 2016/2/28. Y1 - 2016/2/28. N2 - DFT investigations on beryllium-doped boron nitride meshes or sheets (BNs) predict the existence of a very reactive kind of novel material capable of spontaneously reducing the first hydrogenation step in the CO2 conversion mechanism. This impressive behaviour appears as a result of the very deep π-hole generated by the beryllium moieties, and also determines its selectivity towards the production of CH4.. AB - DFT investigations on beryllium-doped boron nitride meshes or sheets (BNs) predict the existence of a very reactive kind of novel material capable of spontaneously reducing the first hydrogenation step in the CO2 conversion mechanism. This impressive behaviour appears as a result of the very deep π-hole generated by the beryllium ...

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|p|Ab-initio calculations using density functional theory (DFT) are used to investigate the non-covalent interactions between single wall armchair boron nitride nanotubes (BNNTs) with open ends and several heterocyclic molecules: thiophene (T; C|sub|4|/sub|H|sub|4|/sub|S), benzothiophene (BT; C8H6S) and dibenzothiophene (DBT; C|sub|12|/sub|H|sub|8|/sub|S). In the armchair model the nanotubes exhibit (n, n) chirality; here we consider n = 5. The exchange-correlation energies are treated according to the Hamprecht-Cohen-Tozer-Handy functional in the generalized gradient approximation (HCTH-GGA). A base function with double polarization is used. The geometry optimization of (5,5) BNNT-X; X = T, BT and DBT has been carried out using the minimum energy criterion in 5 different configurations of the molecules adsorbed on the nanotube. Our computer simulations have found that the preferential adsorption site of the molecule on the nanotube surface is the parallel configuration for BT and DBT, and at one

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During intoxication of a cell, the translocation (T) domain of the diphtheria toxin helps the passage of the catalytic domain across the membrane of the

The present invention provides wood preservative and flame retardant compositions having low leachability comprising micronized boron compounds and, optionally, one or more organic biocides which may be micronized. Also provided is a method for applying the composition to wood and wood products comprising impregnating the wood with the composition.

A process for growing an electrically conductive metalloid thin film on a substrate with a chemical vapor deposition process. A metal source material and a reducing agent capable of reducing the metal source material to a reduced state are vaporized and fed into a reaction space, where the metal source material and the reducing agent are contacted with the substrate. The reducing agent is a boron compound having at least one boron-carbon bond, and the boron compound forms gaseous by-products when reacted with the metal source material. Generally, the boron compound is an alkylboron compound with 0-3 halogen groups attached to the boron. The metal source material and the reducing agent may be fed continuously or in pulses during the deposition process.

In this study, magnesium composites with nano-size boron nitride (BN) particulates of varying contents were synthesized using the powder metallurgy (PM) technique incorporating microwave-assisted two-directional sintering followed by hot extrusion. The effect of nano-BN addition on the microstructural and the mechanical behavior of the developed Mg/BN composites were studied in comparison with pure Mg using the structure-property correlation. Microstructural characterization revealed uniform distribution of nano-BN particulates and marginal grain refinement. The coefficient of thermal expansion (CTE) value of the magnesium matrix was improved with the addition of nano-sized BN particulates. The results of XRD studies indicate basal texture weakening with an increase in nano-BN addition. The composites showed improved mechanical properties measured under micro-indentation, tension and compression loading. While the tensile yield strength improvement was marginal, a significant increase in compressive

1) Tool geometry parameter selection. Cubic boron nitride materials have higher brittleness and lower strength, so the rake angle of the tool usually takes γo=-5°～-0°, and the back angle αo=-6°～ -15°. In order to improve the cutting edge strength, the cutting edge angle is generally ≥90°, and the cutting edge of the cutting edge needs to be ground with a negative chamfer. The width of the chamfering edge can be b=0.1-0.3mm, and the chamfering rake angle=-20°～-6°. The knife tip is rounded r=0.2~0.6mm. If the tool nose radius and negative chamfer are too large, the probability of fluttering increases, so when the system rigidity of machine tools, fixtures, tools and workpieces is insufficient, especially when processing slender workpieces, it should not be too large. Tool nose radius and negative chamfer ...

Novel boron nitride agglomerated powders are provided having controlled density and fracture strength features. In addition methods for producing same are provided. One method calls for providing a fe

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Lookchem Provide Cas No.10043-11-5 Basic information: Properties,Safety Data,Sds and Other Datebase. We also Provide Trading Suppliers & Manufacture for 10043-11-5 Boron nitride.

Science & Technology, Life Sciences & Biomedicine, Cell Biology, CELL BIOLOGY, BODIPY, fatty acid-binding protein, FABP, fluorescence, microscopy, CELL-LINE CACO-2, SPECTRAL PROPERTIES, CRYSTAL-STRUCTURE, LIVER, TRAFFICKING, ENDOCYTOSIS, INTESTINE, TRANSPORT, MEMBRANES, PROBES ...

Posted in Latest News Developing novel materials from the atoms up goes faster when some of the trial and error is eliminated. A new Rice University and Montreal Polytechnic study aims to do that for graphene and boron nitride hybrids.. Rice materials scientist Rouzbeh Shahsavari and Farzaneh Shayeganfar, a postdoctoral researcher at Montreal Polytechnic, designed computer simulations that combine graphene, the atom-thick form of carbon, with either carbon or boron nitride nanotubes. Their hope is that such hybrids can leverage the best aspects of their constituent materials. Defining the properties of various combinations would simplify development for manufacturers who want to use these exotic materials in next-generation electronics. The researchers found not only electronic but also magnetic properties that could be useful. Their results appear in the journal Carbon. Shahsavaris lab studies materials to see how they can be made more efficient, functional and environmentally friendly. They ...

Generally, high-temperature applications require ceramic dielectrics, but these are heavy and brittle, according to Penn State professor of materials science and engineering, Qing Wang, who led the research. Polymer dielectrics are lighter, but have tended to degrade in performance or melt at high temperatures, necessitating a cooling system, which adds further weight and complexity.. Wang and his team used boron nitride, a two-dimensional substance similar in structure to graphene which has been shown to have dielectric properties, in the form of nanosheets about 2nm thick and 400nm across as the active agent in a cross-linked polymer nanocomposite with benzenecyclobutene, a polymer used in electronics. The composite can be made by just mixing the boron nitride and the polymer precursor, then curing with heat or light to create the cross-linked structure. Because the nanosheets are so small, the polymer remains flexible. The team claims in a paper in Nature that the polymer can be ...

Boron is needed by life. In 2013, a hypothesis suggested it was possible that boron and molybdenum catalyzed the production of RNA on Mars with life being transported to Earth via a meteorite around 3 billion years ago.[115]. There exists one known boron-containing natural antibiotic, boromycin, isolated from streptomyces.[116][117]. Boron is an essential plant nutrient, required primarily for maintaining the integrity of cell walls. However, high soil concentrations of , 1.0 ppm lead to marginal and tip necrosis in leaves as well as poor overall growth performance. Levels as low as 0.8 ppm produce these same symptoms in plants that are particularly sensitive to boron in the soil. Nearly all plants, even those somewhat tolerant of soil boron, will show at least some symptoms of boron toxicity when soil boron content is greater than 1.8 ppm. When this content exceeds 2.0 ppm, few plants will perform well and some may not survive. When boron levels in plant tissue exceed 200 ppm, symptoms of boron ...

Artificial Light-Harvesting Arrays: Electronic Energy Migration and Trapping on a Sphere and between Spheres A sophisticated model of the natural light-harvesting antenna has been devised by decorating a C60 hexa-adduct with ten yellow and two blue boron dipyrromethene (Bodipy) dyes in such a way that the dyes retain their individuality and assist solubility of the fullerene. Unusually, the fullerene core is a poor electron acceptor and does not enter into light-induced electron-transfer reactions with the appended dyes, but ineffective electronic energy transfer from the excited-state dye to the C60 residue competes with fluorescence from the yellow dye. Intraparticle electronic energy transfer from yellow to blue dyes can be followed by steady-state and time-resolved fluorescence spectroscopy and by excitation spectra for isolated C60 nanoparticles dissolved in dioxane at 293 K and at 77 K. Full article ...

This discovery may eventually lead to new superstrong materials. However, both wurtzite boron nitride and lonsdaleite are difficult to synthesize in large quantities, so practical applications using these stronger materials are not yet feasible (methods for synthesizing nanocomposites containing lonsdaleite and wurtzite boron nitride are under development to assist in further research). In addition, many practical uses of hard materials require other qualities such as thermal stability at high temperatures. Conductivity, superconductivity, and magnetism are also desirable qualities for many applications of superstrong materials. The pressurized wurtzite boron nitride and lonsdaleite may or may not meet these other requirements. ...

In 1947, while teaching a graduate course in physics at the University of Chicago, Enrico Fermi famously posed the question, What is the deepest hole that may be dug into the Earth? Since it was an experiment that had never been done, he didnt have the answer, but it sure got the students thinking.. The first thing youd need is a material that can penetrate the very hard, very high-pressure, very hot deepest mantle. In the movie The Core, an ingenious inventor, Edward Brazzleton (played by Delroy Lindo), comes up with superhard, refractory unobtainium, based on boron nitride, to sheath a drill ship that can propel itself through Earths mantle, while not baking the people inside it to a crisp.. Personally I think the script writers missed a great opportunity by not naming unobtainium, which obviously was obtainable, brazzletonite instead.. Everybody knows that boron nitride crystals are six times harder than diamond, Brazzleton says. Well… boron nitride is certainly an interesting ...

Boron compounds have been used extensively in organic synthesis for more than sixty years. Some of the best known reactions in synthesis, such as the Suzuki-Miyaura cross-coupling and the hydroboration reaction, involve boron compounds. Several natural products containing boron have been isolated in the last fifty years, including ionophoric macrodiolide antibiotics boromycin, borophycin, aplasmomycins A, B, and C, and tartrolons B, C, and E, as well as autoinducer-2.

1,3-Difluoro-2-propanol, 98%, ACROS Organics™ 1g; Glass bottle 1,3-Difluoro-2-propanol, 98%, ACROS Organics™ Difluorobenzy to Dig -Organics

Fluorescence imaging is a powerful tool in biomedical research. It has been frequently used to uncover or better understand physiological mechanisms in disease-related processes such as cancer. The majority of chromophores used for imaging are based on a 4,4-difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY) scaffold. However, their applications are limited due to their poor water solubility as well as poor cancer cell selectivity. To circumvent these drawbacks, we present herein the use of bis(dipyrrinato)zinc(II) complexes. As this class of compounds is associated with a quenching effect of the excited state in water, the lead compound of this study (3) was encapsulated in a polymer matrix with biotin as a targeting moiety (3-NP). This encapsulation improved the water solubility, overcame the quenching effects in water, as well as allowed selective accumulation in the lysosomes with a bright fluorescence signal in monolayer cells as well as 3D multicellular tumor spheroids (MCTS). As a benefit ...

Researchers have developed an innovative use of the nanomaterial boron nitride nanotubes (BNNT) to improve the performance of Li–S batteries.

A method for producing products for treating wood and other cellulose products to improve the flame retardancy, and the insecticidal and fungicidal properties of the products. A calcium borate ore, such as colemanite, is reacted first with an acid such as acetic acid. The reaction products, including calcium in solution, are then treated with ammonia, producing ammonium pentaborate. The resulting composition is applied to the wood or other cellulose products by methods such as pressure, diffusion, or immersion and/or dipping treatment. The products have superior leach resistance to water when compared to conventional treatment compounds.

Boron is the most widely deficient minor nutrient in vegetable crop soils. It is needed for protein synthesis and increases flower set, crop yield and quality. In combination with adequate phosphorus, boron increases pollination, fruit set and seed development. Boron deficiency causes growth reduction at the growing tips. Plants have small, crinkled, deformed leaves with large areas of discoloration. Boron deficiency is often caused by application of too much lime. While boron is essential for root growth and fruit development, it can become toxic if over-applied. Always test the soil and apply only the recommended amount. The deformed fruit of these strawberries is due to a deficiency of boron, which also deforms the plants leaves and roots. Bushy, drooping, crinkled leaves indicate boron deficiency in potato plants.

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TY - JOUR. T1 - NaBC1 is a ubiquitous electrogenic Na+-coupled borate transporter essential for cellular boron homeostasis and cell growth and proliferation. AU - Park, Meeyoung. AU - Li, Qin. AU - Shcheynikov, Nikolay. AU - Zeng, Weizong. AU - Muallem, Shmuel. PY - 2004/11/5. Y1 - 2004/11/5. N2 - Boron is a vital micronutrient in plants and may be essential for animal growth and development. Whereas the role of boron in the life cycle of plants is well documented, nothing is known about boron homeostasis and function in animal cells. NaBC1, the mammalian homolog of AtBor1, is a borate transporter. In the absence of borate, NaBC1 conducts Na+ and OH- (H+), while in the presence of borate, NaBC1 functions as an electrogenic, voltage-regulated, Na+-coupled B(OH)4 - transporter. At low concentrations, borate activated the MAPK pathway to stimulate cell growth and proliferation, and at high concentrations, it was toxic. Accordingly, overexpression of NaBC1 shifted both effects of borate to the left, ...

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The aim of this work was to develop a chemical vapour deposition process and understand the growth of sp2 hybridised Boron Nitride (sp2-BN). Thus, the growth on different substrates together with the variation of growth parameters was investigated in details and is presented in the papers included in this thesis. Deposited films of sp2-BN were characterised with the purpose to determine optimal deposition process parameters for the growth of high crystal quality thin films with further investigations of chemical composition, morphology and other properties important for the implementation of this material towards electronic, optoelectronic devices and devices based on graphene/BN heterostructures.. For the growth of sp2-BN triethyl boron and ammonia were employed as B and N precursors, respectively. Pure H2 as carrier gas is found to be necessary for the growth of crystalline sp2-BN. Addition of small amount of silane to the gas mixture improves the crystalline quality of the growing sp2-BN ...

Using a combination of gain- and loss-of-function experiments, we showed that CD36 is downstream of Meox2/Tcf15-mediated uptake of FFAs originating from both bovine serum albumin conjugates and VLDL particles in heart ECs. The high CD36 expression levels in comparison with other transporter genes in heart ECs further support its important role in cardiac FA uptake. Nevertheless, although, in our DiI-VLDL assay, CD36s contribution to Meox2/Tcf15-driven FFA uptake could have been underestimated by simultaneous detection of particle uptake, the fact that CD36 knockdown only partially impaired Meox2/Tcf15-driven uptake of BODIPY-labeled FFAs suggests the existence of other Meox2/Tcf15 downstream mediators or the occurrence of compensatory mechanisms upon CD36 knockdown.. In Meox2+/−:Tcf15+/− heart ECs, Fatp3, a FA transporter regulated by the paracrine VEGF-B,21 was increased, but this was not sufficient to fully compensate for the partial loss of CD36 induced by Meox2+Tcf15 haplodeficiency, ...

Reagents and antibodies. All pharmacologic agents were purchased from Sigma (St. Louis, MO) unless stated otherwise. Rhodamine and Bodipy-labeled α-bungarotoxin were from Molecular Probes (Eugene, OR); secondary antibodies coupled with either Cy2 or Cy3 were from Amersham Biosciences (Piscataway, NJ). Affinity-purified polyclonal antiserum against the extracellular domain of NRG (183N) was prepared as described previously (Loeb et al., 1999). Monoclonal antibodies against SV2 were a generous gift from Kathy Buckley (Harvard Medical School, Boston, MA), and those against agrin (6D2) were a generous gift from Willi Halfter (University of Pittsburgh, Pittsburgh, PA). Mouse monoclonal IgG supernatant against neurofilaments (RT-97) was obtained from the Developmental Studies Hybridoma Bank at the University of Iowa (Iowa City, IA) under contract N01-HD-7-3263 from the National Institute of Child Health and Human Development. BDNF, NT-3, and GDNF were generous gifts from Amgen (Thousand Oaks, CA) and ...

Product page for tert-butyl N-[(tert-butoxy)carbonyl]-N-[2,6-difluoro-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]carbamate, Molecular Formula C22H32BF2NO6.

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