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Showing 1 to 12 of 221 entries
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cis-Decalin oxidation as a stereochemical probe of in-MOF versus on-MOF catalysis.

Chemical communications (Cambridge, England)

Cardenal AD, Jeong Park H, Chalker CJ, Ortiz KG, Powers DC.
PMID: 28612073
Chem Commun (Camb). 2017 Jun 29;53(53):7377-7380. doi: 10.1039/c7cc02570j.

Development of catalyst-controlled C-H hydroxylation could provide direct access to valuable synthetic targets, such as primary metabolites. Here, we report a new family of porous materials, comprised of 2-dimensional metalloporphyrin layers and flexible aliphatic linkers, and demonstrate C-H hydroxylation...

The Diagnosis and Manifestations of Liver Injury Secondary to Off-Label Androgenic Anabolic Steroid Use.

Case reports in gastroenterology

Cabb E, Baltar S, Powers DW, Mohan K, Martinez A, Pitts E.
PMID: 27721739
Case Rep Gastroenterol. 2016 Sep 12;10(2):499-505. doi: 10.1159/000448883. eCollection 2016.

Drug-induced liver injury (DILI) presents as a broad spectrum of adverse drug reactions which can range from a mild elevation in liver enzymes to fulminant liver failure. The primary goal is to identify DILI early when the patient's liver...

Management of distal humeral coronal shear fractures.

World journal of clinical cases

Yari SS, Bowers NL, Craig MA, Reichel LM.
PMID: 25984515
World J Clin Cases. 2015 May 16;3(5):405-17. doi: 10.12998/wjcc.v3.i5.405.

Coronal shear fractures of the distal humerus are rare, complex fractures that can be technically challenging to manage. They usually result from a low-energy fall and direct compression of the distal humerus by the radial head in a hyper-extended...

Heat dissipation during hovering and forward flight in hummingbirds.

Royal Society open science

Powers DR, Tobalske BW, Wilson JK, Woods HA, Corder KR.
PMID: 27019742
R Soc Open Sci. 2015 Dec 16;2(12):150598. doi: 10.1098/rsos.150598. eCollection 2015 Dec.

Flying animals generate large amounts of heat, which must be dissipated to avoid overheating. In birds, heat dissipation is complicated by feathers, which cover most body surfaces and retard heat loss. To understand how birds manage heat budgets during...

Isolation and Characterization of an Actin Promoter from the Red Abalone (Haliotis rufescens).

Marine biotechnology (New York, N.Y.)

Gómez-Chiarri M, Kirby VL, Powers DA.
PMID: 10384001
Mar Biotechnol (NY). 1999 May;1(3):269-278. doi: 10.1007/pl00011776.

: We have isolated and characterized the 5'-flanking and part of the coding region of an actin gene from the red abalone Haliotis rufescens. There is high sequence homology between the abalone actin coding region and actins from other...

Convergent automated parallel synthesis.

Drug discovery today

Powers DG, Coffen DL.
PMID: 10431148
Drug Discov Today. 1999 Aug;4(8):377-383. doi: 10.1016/s1359-6446(99)01364-1.

As combinatorial chemistry approaches its second decade of widespread use, the developmental pathways that could shape its future are becoming increasingly apparent. Progress down one of these pathways is driven by the desire to make and test more complex...

Intramedullary Spinal Cord Tumors.

Current treatment options in neurology

Bowers DC, Weprin BE.
PMID: 12670409
Curr Treat Options Neurol. 2003 May;5(3):207-212. doi: 10.1007/s11940-003-0011-2.

The three most common types of intramedullary spinal cord tumors are low-grade astrocytomas, ependymomas, and high-grade astrocytomas. Surgical extirpation is the necessary and sufficient primary treatment for most intramedullary spinal cord tumors. Radiation therapy may also have a role...

Medical education in the sixties.

Journal of medical education

POWERS L.
PMID: 13985840
J Med Educ. 1962 Nov;37:1228-33.

No abstract available.

Thermal reactions of 8-methylbicyclo[4.2.0]oct-2-enes: competitive diradical-mediated [1,3] sigmatropic, stereomutation, and fragmentation processes.

The Journal of organic chemistry

Bogle XS, Leber PA, McCullough LA, Powers DC.
PMID: 16238327
J Org Chem. 2005 Oct 28;70(22):8913-8. doi: 10.1021/jo051505g.

[reaction: see text] At 275 degrees C, 8-exo-methylbicyclo[4.2.0]oct-2-ene (1a) undergoes a [1,3] sigmatropic rearrangement to 5-methylbicyclo[2.2.2]oct-2-enes, of which the orbital symmetry-allowed si product is only marginally favored over the forbidden sr product; that is, si/sr is 2.4. Accompanying the...

Probing steric and hydrophobic effects on enzyme-substrate interactions by protein engineering.

Science (New York, N.Y.)

Estell DA, Graycar TP, Miller JV, Powers DB, Wells JA, Burnier JP, Ng PG.
PMID: 17835820
Science. 1986 Aug 08;233(4764):659-63. doi: 10.1126/science.233.4764.659.

Steric and hydrophobic effects on substrate specificity were probed by protein engineering of subtilisin. Subtilisin has broad peptidase specificity and contains a large hydrophobic substrate binding cleft. A conserved glycine (Gly(166)), located at the bottom of the substrate binding...

Ten common myths of ballistic injuries.

Oral and maxillofacial surgery clinics of North America

Powers DB, Robertson OB.
PMID: 18088782
Oral Maxillofac Surg Clin North Am. 2005 Aug;17(3):251-9, v. doi: 10.1016/j.coms.2005.05.001.

The science of ballistics can be confusing. Specific treatment dogmas regarding ballistic injuries should be examined to ensure that they are supported by scientific data. If determined to be unfounded, these dogmas should be discontinued from the teaching centers...

Maxillofacial trauma treatment protocol.

Oral and maxillofacial surgery clinics of North America

Powers DB, Will MJ, Bourgeois SL, Hatt HD.
PMID: 18088790
Oral Maxillofac Surg Clin North Am. 2005 Aug;17(3):341-55, vii. doi: 10.1016/j.coms.2005.05.003.

The management of complex maxillofacial injuries sustained in modern warfare or terrorist attack has presented military surgeons with a new form of injury pattern previously not discussed in the medical literature. The unique wounding characteristics of the IED, the...

Showing 1 to 12 of 221 entries