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n. Symbol B
A nonmetallic element that is amorphous and brown or crystalline and black, and is extracted chiefly from kernite and borax and used in flares, propellant mixtures, nuclear reactor control elements, abrasives, and hard metallic alloys. Atomic number 5; atomic weight 10.811; melting point 2,075°C; boiling point 4000°C; specific gravity (crystal) 2.34, (amorphous) 2.37; valence 3. See Periodic Table.

bo·ron′ic (bə-rŏn′ĭk, bô-) adj.


of or relating to boron
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Adj.1.boronic - of or relating to boron
References in periodicals archive ?
6] Boronic acid (BA) derivatives have been considered to be reversible inhibitors of AmpC enzymes.
Two different b-lactamase inhibitors (ethylenediaminetetraacetic acid [EDTA] and boronic acid) were used for the evaluation of class A and B production.
Screening of Hybrid Heterocyclic Boronic Acids as Potential Anti-Cancer Agents.
In this method boronic acid is used as inhibitor of AmpC enzyme.
Sterile and high potency APIs, steroids, generics, monobactams, boronic acids and controlled substances
In particular for ESBL detection, DDST was performed on agar with AMC-20/10 [micro]g disk positioned 25 mm (center-to-center) away from disks containing CAZ-30 [micro]g, CTX-30 [micro]g, FEP-30 [micro]g and ATM-30 [micro]g, and the confirmation combination disk method with disks of CTX30 [micro]g, cefotaxime/clavulanic acid (30/10 [micro]g), CAZ-30 [micro]g and ceftazidime/clavulanic acid (30/10 [micro]g)10; for AmpC-type 0lactamase detection, DDST (for constitutive AmpC) was performed with boronic acid containing disk (30 [micro]g) placed at a center-to-center distance to a CAZ-30 [micro]g and a CTX-30 [micro]g disk of 25 mm, while for combination disk method (for inducible AmpC), disks of CTX-30 [micro]g, CAZ-30 [micro]g and ATM-30 [micro]g were placed close to a IMP-10 [micro]g.
Evaluation of boronic acid disk tests for differentiating KPC-possessing Klebsiella pneumoniae isolates in the clinical laboratory.
By using novel boronic acid chemistry our scientists have generated covalent inhibitors of Mcl-1, a notoriously difficult and key target in oncology
They explain the development of boronic acid-based supramolecular systems; the investigation of boron-containing aspects by NMR (nuclear magnetic resonance) spectroscopy; the use of boronic esters in cross-coupling reactions; boronic acid systems that can bind to nucleophilic species, 1,2-diols, and arylboronates; the development of boronic acids towards optical, continuous, sensing of saccharides; and boronic acid-based systems for enantioselective fluorescent recognition.
Carreno, Control of the Regio-and Stereoselectivity in Diels-Aldel Reactions with Quinone Boronic Acids, Angew.