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Showing 13 to 24 of 318 entries
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Intramolecular heterocyclization of O-propargylated aromatic hydroxyaldehydes as an expedient route to substituted chromenopyridines under metal-free conditions.

Organic letters

Keskin S, Balci M.
PMID: 25654264
Org Lett. 2015 Feb 20;17(4):964-7. doi: 10.1021/acs.orglett.5b00067. Epub 2015 Feb 05.

A concise and regioselective approach to the synthesis of chromenopyridine and chromenopyridinone derivatives was developed. The synthetic strategy relies on the O-propargylation of aromatic hydroxyaldehydes followed by reaction with propargylamine. The intramolecular cycloaddition reaction between the alkyne and azadiene,...

Selected topics related to occupational exposures. Part II. Occupational infectious diseases.

Disease-a-month : DM

Leikin JB, Davis A, Klodd DA, Thunder T, Kelafant GA, Paquette DL, Rothe MJ, Rubin R.
PMID: 10830611
Dis Mon. 2000 Apr;46(4):256-75. doi: 10.1016/s0011-5029(00)90034-8.

No abstract available.

Selected topics related to occupational exposures. Part V. Occupational cardiovascular disease.

Disease-a-month : DM

Leikin JB, Davis A, Klodd DA, Thunder T, Kelafant GA, Paquette DL, Rothe MJ, Rubin R.
PMID: 10830614
Dis Mon. 2000 Apr;46(4):311-22. doi: 10.1016/s0011-5029(00)90037-3.

Cardiovascular disease is common in the United States. Several occupational exposures, such as carbon disulfide and organic nitrates, are believed to cause occupational cardiovascular disease. In addition some other agents, such as lead and cadmium, may indirectly cause cardiovascular...

Seawater Activation of Escherichia coli Gene Promoter Elements: Dominance of rpoS Control.

Microbial ecology

Rozen Y, Dyk TK, LaRossa RA, Belkin S.
PMID: 12024246
Microb Ecol. 2001 Dec;42(4):635-643. doi: 10.1007/s00248-001-1012-x.

The release of non-disinfected wastewater into the marine environment is a common practice in many countries; nevertheless, the molecular mechanisms involved in determining the survival of enteric bacteria in seawater are poorly understood, in spite of the obvious public...

Evaluation and Management of Sickle Cell Disease in the Emergency Department (An 18-year Experience): 1974--1992.

American journal of therapeutics

Koshy M, Leikin J, Dorn L, Lebby T, Talischy N, Telfert MC.
PMID: 11835105
Am J Ther. 1994 Dec;1(4):309-320. doi: 10.1097/00045391-199412000-00011.

Painful episodes are the most frequent complaints of patients with sickle cell disease. The Emergency Department (ED) has provided management for acute events using the usual triage format for emergencies. A prospective study evaluated the role of the ED...

Design of an in-water corrector system.

Applied optics

Laikin M.
PMID: 12099582
Appl Opt. 2002 Jul 01;41(19):3777-80. doi: 10.1364/ao.41.003777.

The optical design of systems for use in water is considered. Use of flat and concentric dome ports are discussed as well as problems with pupil location that are due to the dome-water interface. Data for the optical properties...

An efficient room-temperature silicon-based light-emitting diode.

Nature

Ng WL, Lourenço MA, Gwilliam RM, Ledain S, Shao G, Homewood KP.
PMID: 11242075
Nature. 2001 Mar 08;410(6825):192-4. doi: 10.1038/35065571.

There is an urgent requirement for an optical emitter that is compatible with standard, silicon-based ultra-large-scale integration (ULSI) technology. Bulk silicon has an indirect energy bandgap and is therefore highly inefficient as a light source, necessitating the use of...

Advances in endoscopic retrograde cholangiopancreatography cannulation.

World journal of gastrointestinal endoscopy

Qayed E, Reid AL, Willingham FF, Keilin S, Cai Q.
PMID: 21160728
World J Gastrointest Endosc. 2010 Apr 16;2(4):130-7. doi: 10.4253/wjge.v2.i4.130.

Endoscopic retrograde cholangiopancreatography is an important tool in the diagnosis and treatment of pancreatobiliary diseases. A critical step in this procedure is deep cannulation of the bile duct as failure of cannulation generally results in an aborted procedure and...

Efficient methods for screening of metal organic framework membranes for gas separations using atomically detailed models.

Langmuir : the ACS journal of surfaces and colloids

Keskin S, Sholl DS.
PMID: 19572515
Langmuir. 2009 Oct 06;25(19):11786-95. doi: 10.1021/la901438x.

Metal organic frameworks (MOFs) define a diverse class of nanoporous materials having potential applications in adsorption-based and membrane-based gas separations. We have previously used atomically detailed models to predict the performance of MOFs for membrane-based separations of gases, but...

Determination of bis(chloromethyl) ether at ppb level in air samples by high-resolution mass spectroscopy. Comments.

Environmental science & technology

Van Duuren BL, Laskin S, Goldschmidt BM.
PMID: 22263992
Environ Sci Technol. 1973 Aug 01;7(8):744. doi: 10.1021/es60080a012.

No abstract available.

The Amyand's Hernia: A Rare Clinical Entity Diagnosed by Computed Tomography.

Case reports in radiology

Keskin S, Simşek C, Keskin Z.
PMID: 23662236
Case Rep Radiol. 2013;2013:638270. doi: 10.1155/2013/638270. Epub 2013 Apr 10.

Amyand's hernia, named for the first person to describe an inguinal hernia containing the vermiform appendix, is an uncommon variant of an inguinal hernia. Amyand's hernia is an extremely rare condition and is often misdiagnosed. Traditionally, these hernias have...

Chain-melting reentrant transition in bimolecular layers at large separations.

Physical review letters

Fang Y, Kozlov MM, Leikin S, Rand RP.
PMID: 10053921
Phys Rev Lett. 1993 Jun 07;70(23):3623-3626. doi: 10.1103/PhysRevLett.70.3623.

No abstract available.

Showing 13 to 24 of 318 entries