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Showing 1 to 12 of 129 entries
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Oriented Two-Dimensional Porous Organic Cage Crystals.

Angewandte Chemie (International ed. in English)

Jiang S, Song Q, Massey A, Chong SY, Chen L, Sun S, Hasell T, Raval R, Sivaniah E, Cheetham AK, Cooper AI.
PMID: 28580700
Angew Chem Int Ed Engl. 2017 Aug 01;56(32):9391-9395. doi: 10.1002/anie.201704579. Epub 2017 Jul 06.

The formation of two-dimensional (2D) oriented porous organic cage crystals (consisting of imine-based tetrahedral molecules) on various substrates (such as silicon wafers and glass) by solution-processing is reported. Insight into the crystallinity, preferred orientation, and cage crystal growth was...

Controlling the crystallization of porous organic cages: molecular analogs of isoreticular frameworks using shape-specific directing solvents.

Journal of the American Chemical Society

Hasell T, Culshaw JL, Chong SY, Schmidtmann M, Little MA, Jelfs KE, Pyzer-Knapp EO, Shepherd H, Adams DJ, Day GM, Cooper AI.
PMID: 24410310
J Am Chem Soc. 2014 Jan 29;136(4):1438-48. doi: 10.1021/ja409594s. Epub 2014 Jan 21.

Small structural changes in organic molecules can have a large influence on solid-state crystal packing, and this often thwarts attempts to produce isostructural series of crystalline solids. For metal-organic frameworks and covalent organic frameworks, this has been addressed by...

Swellable, water- and acid-tolerant polymer sponges for chemoselective carbon dioxide capture.

Journal of the American Chemical Society

Woodward RT, Stevens LA, Dawson R, Vijayaraghavan M, Hasell T, Silverwood IP, Ewing AV, Ratvijitvech T, Exley JD, Chong SY, Blanc F, Adams DJ, Kazarian SG, Snape CE, Drage TC, Cooper AI.
PMID: 24874971
J Am Chem Soc. 2014 Jun 25;136(25):9028-35. doi: 10.1021/ja5031968. Epub 2014 Jun 11.

To impact carbon emissions, new materials for carbon capture must be inexpensive, robust, and able to adsorb CO2 specifically from a mixture of other gases. In particular, materials must be tolerant to the water vapor and to the acidic...

Periphery-Functionalized Porous Organic Cages.

Chemistry (Weinheim an der Bergstrasse, Germany)

Reiss PS, Little MA, Santolini V, Chong SY, Hasell T, Jelfs KE, Briggs ME, Cooper AI.
PMID: 27709721
Chemistry. 2016 Nov 07;22(46):16547-16553. doi: 10.1002/chem.201603593. Epub 2016 Oct 06.

By synthesizing derivatives of a trans-1,2-diaminocyclohexane precursor, three new functionalized porous organic cages were prepared with different chemical functionalities on the cage periphery. The introduction of twelve methyl groups (CC16) resulted in frustration of the cage packing mode, which...

Comparative evaluation of subgingivally delivered chlorhexidine varnish and chlorhexidine gel in reducing microbial count after mechanical periodontal therapy.

Journal of basic and clinical pharmacy

Manthena S, Ramesh A, Srikanth A, Ramoji Rao MV, Preethi PL, Samatha YP.
PMID: 25538468
J Basic Clin Pharm. 2014 Dec;6(1):24-8. doi: 10.4103/0976-0105.145775.

CONTEXT: Antimicrobial efficacy of subgingival chlorhexidine (CHX) application using two different vehicles of delivery.AIMS: The aim was to evaluate the efficacy of CHX varnish and gel as an adjunct to scaling and root planing (SRP) in reducing microbial count...

Porous organic cages.

Nature materials

Tozawa T, Jones JT, Swamy SI, Jiang S, Adams DJ, Shakespeare S, Clowes R, Bradshaw D, Hasell T, Chong SY, Tang C, Thompson S, Parker J, Trewin A, Bacsa J, Slawin AM, Steiner A, Cooper AI.
PMID: 19855385
Nat Mater. 2009 Dec;8(12):973-8. doi: 10.1038/nmat2545. Epub 2009 Oct 25.

Porous materials are important in a wide range of applications including molecular separations and catalysis. We demonstrate that covalently bonded organic cages can assemble into crystalline microporous materials. The porosity is prefabricated and intrinsic to the molecular cage structure,...

Intraoral lipoma: a rare case report and review of literature.

Journal of clinical and diagnostic research : JCDR

A RK, N PN, Y S, A VK, D KK.
PMID: 24551738
J Clin Diagn Res. 2013 Dec;7(12):3090-1. doi: 10.7860/JCDR/2013/6845.3863. Epub 2013 Dec 15.

Benign soft tissue neoplasms commonly occur in oral cavity. Lipoma is one such benign tumour which rarely occurs in the oral mucosa. About 20% of lipomas occur in the head and neck region among which oral lipomas comprise only...

Sulfone-containing covalent organic frameworks for photocatalytic hydrogen evolution from water.

Nature chemistry

Wang X, Chen L, Chong SY, Little MA, Wu Y, Zhu WH, Clowes R, Yan Y, Zwijnenburg MA, Sprick RS, Cooper AI.
PMID: 30275507
Nat Chem. 2018 Dec;10(12):1180-1189. doi: 10.1038/s41557-018-0141-5. Epub 2018 Oct 01.

Nature uses organic molecules for light harvesting and photosynthesis, but most man-made water splitting catalysts are inorganic semiconductors. Organic photocatalysts, while attractive because of their synthetic tunability, tend to have low quantum efficiencies for water splitting. Here we present...

Core-Shell Crystals of Porous Organic Cages.

Angewandte Chemie (International ed. in English)

Jiang S, Du Y, Marcello M, Corcoran EW, Calabro DC, Chong SY, Chen L, Clowes R, Hasell T, Cooper AI.
PMID: 29888555
Angew Chem Int Ed Engl. 2018 Aug 27;57(35):11228-11232. doi: 10.1002/anie.201803244. Epub 2018 Jun 10.

The first examples of core-shell porous molecular crystals are described. The physical properties of the core-shell crystals, such as surface hydrophobicity, CO

Molecular dynamics simulations of gas selectivity in amorphous porous molecular solids.

Journal of the American Chemical Society

Jiang S, Jelfs KE, Holden D, Hasell T, Chong SY, Haranczyk M, Trewin A, Cooper AI.
PMID: 24156758
J Am Chem Soc. 2013 Nov 27;135(47):17818-30. doi: 10.1021/ja407374k. Epub 2013 Nov 14.

Some organic cage molecules have structures with protected, internal pore volume that cannot be in-filled, irrespective of the solid-state packing mode: that is, they are intrinsically porous. Amorphous packings can give higher pore volumes than crystalline packings for these...

Barely porous organic cages for hydrogen isotope separation.

Science (New York, N.Y.)

Liu M, Zhang L, Little MA, Kapil V, Ceriotti M, Yang S, Ding L, Holden DL, Balderas-Xicohténcatl R, He D, Clowes R, Chong SY, Schütz G, Chen L, Hirscher M, Cooper AI.
PMID: 31672893
Science. 2019 Nov 01;366(6465):613-620. doi: 10.1126/science.aax7427.

The separation of hydrogen isotopes for applications such as nuclear fusion is a major challenge. Current technologies are energy intensive and inefficient. Nanoporous materials have the potential to separate hydrogen isotopes by kinetic quantum sieving, but high separation selectivity...

Angiomyoma - A requisite in differential diagnosis of palatal growths.

International journal of health sciences

Pandya M, Rao DS, Mamatha GP, Annigeri RG.
PMID: 31745398
Int J Health Sci (Qassim). 2019 Nov-Dec;13(6):47-49.

Vascular variant of leiomyomas termed angioleiomyomas rarely present in the oral cavity. They present themselves as well-circumscribed, slow-growing, superficial lesions covered by normal mucosa and sometimes bluish or purple in color. Clinicians often tend to overlook this entity due...

Showing 1 to 12 of 129 entries