154,729 research outputs found
Joshua Davis: Author of Spare Parts
Citation: K-State First (2016). Joshua Davis: Author of Spare Parts [Flier]. Manhattan, Kansas: K-State First.Flyer advertising Joshua Davis's author talk at Kansas State University
Steven Johnson Author Talk Poster
K-State Book NetworkA poster advertising an author talk by Steven Johnson at Kansas State University on September 3, 2014. Steven Johnson's book "The Ghost Map" was the 2014-2015 common book
Evaluation of Externally-Bonded CFRP Systems for the Strengthening of RC Slabs
Singapore. K.H. Tan Ed
Evaluation of Externally-Bonded CFRP Systems for the Strengthening of RC Slabs
Singapore. K.H. Tan Ed
Cesasundana lorniensis Tan 2014
Cesasundana lorniensis Tan, 2014 Fig. 11 H Material examined. 3 females: 1 female (paratype, ZRC.ORT. 1047), BTNR, coll. D. H. Murphy, 20 August 1970; 1 female (paratype, ZRC.ORT. 1046), BTNR, coll. D. H. Murphy 23 / 24 November 1971; 1 female (holotype, ZRC.ORT. 166), CCNR, MacRitchie forest, along Lornie Trail, primary/ old secondary forest, coll. M. K. Tan, 2 November 2010. Taxonomy. A key to currently known species is available in Tan (2014). Remarks. More images available in Tan (2014).Published as part of Tan, Ming Kai, 2014, An annotated checklist of the bush katydids (Orthoptera: Phaneropteridae: Phaneropterinae) from Singapore, including an illustrated key to species, pp. 573-593 in Zootaxa 3884 (6) on page 581, DOI: 10.11646/zootaxa.3884.6.6, http://zenodo.org/record/24981
Micrornebius kopisua Tan & Ingrisch 2013
Micrornebius kopisua Tan & Ingrisch, 2013 (Fig. 2) Micrornebius sp.— Ingrisch, 2006: 178 Micrornebius kopisua Tan & Ingrisch, 2013 — Tan & Ingrisch, 2013: 19 New material examined. 2 males: Singapore: 1 male, near Central Catchment Nature Reserve, along Venus Trail, secondary forest, coll. M. K. Tan, 25 July 2014; 1 male (CIL.02.3.03, in alcohol), Central Catchment Nature Reserve, MacRitchie forest, near MacRitchie Nature Trail, disturbed forest, on leaf litter, coll. M. K. Tan, H. Yeo & R. W. J. Ngiam, 31 August 2014. Remarks. Type material along with new material were examined for comparison with the other Micrornebius species. Life history. Unlike the other Micrornebius species described here, Micrornebius kopisua tends to inhabit the leaf litter among leaves and plant parts near the ground (Fig. 2). They were not found to be hiding underneath tree bark so far.Published as part of Tan, Ming Kai, 2014, New species of small scaly crickets of genus Micrornebius (Orthoptera: Mogoplistidae; Mogoplistinae) from Singapore, pp. 117-126 in Zootaxa 3895 (1) on page 121, DOI: 10.11646/zootaxa.3895.1.7, http://zenodo.org/record/22619
Ornebius tampines Tan & Robillard 2012
Ornebius tampines Tan & Robillard, 2012 (Fig. 6) Ornebius tampines Tan & Robillard, 2012: 418. Type specimens examined. Holotype (male): Singapore, Pasir Ris Park, Sungei Tampines, along mangrove boardwalk, coll. M. K. Tan, 17 June 2011 (ZRC). Paratypes: 3 males, same locality as holotype, coll. M. K. Tan, 17 June 2011, 15 September 2011 (all ZRC). New material examined. Singapore, 1 female, same locality as holotype, coll. M. K. Tan, 20 October 2012 (all ZRC). Description. Female. Habitus as shown in Fig. 6 A. Ninth abdominal tergite with apical margin straight. Supraanal plate setose, with tenth abdominal tergite and epiproct completely fused; furrowed in middle; with apex subtruncated (Fig. 6 B). Paraprocts simple and short. Subgenital plate wider than long, with apical margin roundlyemarginated (Fig. 6 C). Ovipositor of medium length; apical valves with margins smooth; ventral margin of dorsal valves with 2–3 bristles (n = 1) (Fig. 6 D). Measurements. See Table 4. Discussion. Only males were previously known of this species (Tan & Robillard, 2012). New material allowed the description of the female. A re-examination of the type specimens revealed that in the original description the male phallic complex was imprecisely described. The medial valve, also referred to as internal sclerite of medial valve, is not bifurcate at apex. The ventral lobes are membranous. Instead, it is the internal sclerite of medial valve with base gently curved upwards. The lateral valves are weakly sclerotised, which was not previously mentioned.Published as part of Tan, Ming Kai & Ingrisch, Sigfrid, 2013, New taxa and notes of some described species of scaly crickets (Orthoptera: Mogoplistidae: Mogoplistinae) from Singapore, pp. 17-28 in Zootaxa 3637 (1) on page 26, DOI: 10.11646/zootaxa.3637.1.2, http://zenodo.org/record/28357
Synthesis of Highly Functionalised Furo[3,4-b]pyrans: Towards the Fungal Metabolite (−)-TAN-2483B
Carbohydrate-derived cyclopropanes combine both the stereochemical wealth of carbohydrates and the reactivity of cyclopropanes. A diverse variety of reaction modes for these cyclopropyl carbohydrates can be harnessed for the synthesis of natural products and other targets.
The natural products (−)-TAN-2483A and (−)-TAN-2483B are fungal secondary metabolites displaying a variety of bioactivities such as inhibition of c-src kinase action and parathyroid hormone-induced bone resorption. This thesis described several synthetic approaches to the natural product (−)-TAN-2483B and analogues of (−)-TAN-2483B employing cyclopropane ring expansion.
The synthetic route to (−)-TAN-2483B began with the readily available substrate D-mannose. The pyran ring unsaturation of the natural product was established by a cyclopropanation-ring expansion sequence. A synthetic strategy via dichlorocyclopropane-based intermediates is described in chapter 2. This being unsuccessful, an alternative approach via 2-fomyl-glycal was developed in chapter 3. The chapter 2 and 3 provided a solid background for the achievement of the analogues synthesis illustrated in chapter 4 via dibromocyclopropane. Lewis acid-mediated alkynylation followed by Pdcatalysed carbonylative lactonisation was successfully utilised in the revelation of the furo[3,4-b]pyran ring skeleton. This route afforded analogues of TAN-2483B; the Z-and E-unsaturated ethyl esters 140 and 141 and hydroxy(−)-TAN-2483B 145. The total synthesis of (−)-TAN-2483B was not achieved due to unforeseen obstacles encountered in the deoxygenation of the side arm of 335 (Chapter 4) into the E-propenyl side arm of (−)-TAN-2483B
Erratum to: Is Sensory Loss an Understudied Risk Factor for Frailty? A Systematic Review and Meta-analysis
In the article “Is Sensory Loss an Understudied Risk Factor for Frailty? A Systematic Review and Meta-analysis,” an author was missing. Ana Maseda should be listed as the 11th author. The correct author list is: Benjamin Kye Jyn Tan, Ryan Eyn Kidd Man, Alfred Tau Liang Gan, Eva K Fenwick, Varshini Varadaraj, Bonnielin K Swenor, Preeti Gupta, Tien Yin Wong, Caterina Trevisan, Laura Lorenzo-López, Ana Maseda, José Carlos Millán-Calenti, Carla Helena Augustin Schwanke, Ann Liljas, Soham Al Snih, Yasuharu Tokuda, Ecosse Luc Lamoureux. This error has been corrected
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