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Showing 1 to 12 of 366 entries
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[Early invalidation--a multifactorial process. Comprehensive report on a socioepidemiologic study of possible causes of early retirement in Baden-Württemberg].

Das Offentliche Gesundheitswesen

Fassmann H, Kentner M, Passenberger J, Wasilewski R.
PMID: 2934652
Offentl Gesundheitswes. 1985 Nov;47(11):546-50.

No abstract available.

Manipulating photogenerated radical ion pair lifetimes in wirelike molecules using microwave pulses: molecular spintronic gates.

Journal of the American Chemical Society

Miura T, Wasielewski MR.
PMID: 21319821
J Am Chem Soc. 2011 Mar 09;133(9):2844-7. doi: 10.1021/ja110789q. Epub 2011 Feb 14.

We have studied spin-dependent charge transfer dynamics in wirelike donor-bridge-acceptor (D-B-A) molecules comprising a phenothiazine (PTZ) donor, an oligo(2,7-fluorene) (FL(n)) bridge, and a perylene-3,4:9,10-bis(dicarboximide) (PDI) acceptor, PTZ-FL(3)-PDI (1) and PTZ-FL(4)-PDI (2), dissolved in the magnetic field-aligned nematic phase of...

Lower extremity muscle structure in incomplete spinal cord injury: a comparison between ultrasonography and magnetic resonance imaging.

Spinal cord series and cases

Smith AC, Jakubowski K, Wasielewski M, Lee SS, Elliott JM.
PMID: 28382216
Spinal Cord Ser Cases. 2017 Feb 23;3:17004. doi: 10.1038/scsandc.2017.4. eCollection 2017.

INTRODUCTION: Ultrasound (US) measures of muscle thickness are used in the management and monitoring of muscle changes during rehabilitation, but it is unknown how this measure compares to magnetic resonance imaging (MRI) measures of muscle cross-sectional area (CSA) in...

Spin-Selective Photoreduction of a Stable Radical within a Covalent Donor-Acceptor-Radical Triad.

Journal of the American Chemical Society

Rugg BK, Phelan BT, Horwitz NE, Young RM, Krzyaniak MD, Ratner MA, Wasielewski MR.
PMID: 29072446
J Am Chem Soc. 2017 Nov 08;139(44):15660-15663. doi: 10.1021/jacs.7b10458. Epub 2017 Oct 31.

Controlling spin-spin interactions in multispin molecular assemblies is important for developing new approaches to quantum information processing. In this work, a covalent electron donor-acceptor-radical triad is used to probe spin-selective reduction of the stable radical to its diamagnetic anion....

Biological approaches to artificial photosynthesis, fundamental processes and theoretical approaches: general discussion.

Faraday discussions

Artero V, Hammarström L, Fan F, Whang DR, Martinez J, Harriman A, Noguchi T, Karlsson J, Summers P, Itoh S, Cogdell R, Kibler A, Ehrmaier J, Tamiaki H, Fujita E, Shima S, Yoshino S, Inoue H, Wasielewski M, Corry T, Gust D, Cassiola F, Ishida H, Takagi K, Kang SO, Li C, Sun L, Park H, Hashimoto H, Amao Y, Son EJ, Kamiya N, Shen JR, Yamaguchi K.
PMID: 28534894
Faraday Discuss. 2017 Jun 02;198:147-168. doi: 10.1039/c7fd90016c.

No abstract available.

Probing Nuclear Spin Effects on Electronic Spin Coherence via EPR Measurements of Vanadium(IV) Complexes.

Inorganic chemistry

Graham MJ, Krzyaniak MD, Wasielewski MR, Freedman DE.
PMID: 28657714
Inorg Chem. 2017 Jul 17;56(14):8106-8113. doi: 10.1021/acs.inorgchem.7b00794. Epub 2017 Jun 28.

Quantum information processing (QIP) has the potential to transform numerous fields from cryptography, to finance, to the simulation of quantum systems. A promising implementation of QIP employs unpaired electronic spins as qubits, the fundamental units of information. Though molecular...

Quantitative Determination of the Differential Raman Scattering Cross Sections of Glucose by Femtosecond Stimulated Raman Scattering.

Analytical chemistry

McAnally MO, Phelan BT, Young RM, Wasielewski MR, Schatz GC, Van Duyne RP.
PMID: 28605893
Anal Chem. 2017 Jul 05;89(13):6931-6935. doi: 10.1021/acs.analchem.7b01335. Epub 2017 Jun 15.

Femtosecond stimulated Raman spectroscopy (FSRS) is a vibrational spectroscopy technique that has been used in a wide variety of applications: from transient vibrational signature tracking to amplifying weak normal Raman scattering signals. Presented here is an application of FSRS...

Excitation energy transfer and charge separation in the isolated Photosystem II reaction center.

Photosynthesis research

Greenfield SR, Wasielewski MR.
PMID: 24271289
Photosynth Res. 1996 May;48(1):83-97. doi: 10.1007/BF00040999.

The nature of excitation energy transfer and charge separation in isolated Photosystem II reaction centers is an area of considerable interest and controversy. Excitation energy transfer from accessory chlorophyll a to the primary electron donor P680 takes place in...

Pulmonary strongyloidiasis following renal transplantation without travel to an endemic area.

Oxford medical case reports

Agarwala R, Wasielewski J, Biman B.
PMID: 25988037
Oxf Med Case Reports. 2014 Jul 15;2014(4):83-5. doi: 10.1093/omcr/omu032. eCollection 2014 Jul.

We report a case of Strongyloides stercoralis hyperinfection in an immunosuppressed individual occurring in a non-endemic area. Geographic risk is not sufficient to rule out Strongyloidiasis in susceptible individuals presenting with severe pulmonary disease.

The rate of formation of P700(+)-A 0 (-) in photosystem I particles from spinach as measured by picosecond transient absorption spectroscopy.

Photosynthesis research

Wasielewski MR, Fenton JM, Govindjee.
PMID: 24435640
Photosynth Res. 1987 Jan;12(2):181-9. doi: 10.1007/BF00047947.

Photosystem I particles containing 30-40 chlorophyll a molecules per primary electron donor P700 were subjected to 1.5 ps low density laser flashes at 610 nm resulting in excitation of the antenna chlorophyll a molecules followed by energy transfer to...

Charge Separation Mechanisms in Ordered Films of Self-Assembled Donor-Acceptor Dyad Ribbons.

ACS applied materials & interfaces

Logsdon JL, Hartnett PE, Nelson JN, Harris MA, Marks TJ, Wasielewski MR.
PMID: 28430417
ACS Appl Mater Interfaces. 2017 Oct 04;9(39):33493-33503. doi: 10.1021/acsami.7b02585. Epub 2017 Apr 21.

Orthogonal attachment of polar and nonpolar side-chains to a zinc porphyrin-perylenediimide dyad (ZnP-PDI, 1a) is shown to result in self-assembly of ordered supramolecular ribbons in which the ZnP and PDI molecules form segregated π-stacked columns. Following photoexcitation of the...

An Electrochromic Tristable Molecular Switch.

Journal of the American Chemical Society

Sun J, Wu Y, Wang Y, Liu Z, Cheng C, Hartlieb KJ, Wasielewski MR, Stoddart JF.
PMID: 26439892
J Am Chem Soc. 2015 Oct 28;137(42):13484-7. doi: 10.1021/jacs.5b09274. Epub 2015 Oct 13.

A tristable [2]catenane, composed of a macrocyclic polyether incorporating 1,5-dioxynaphthalene (DNP) and tetrathiafulvalene (TTF) units along with a 4,4'-bipyridinium (BIPY(•+)) radical cation as three very different potential recognition sites, interlocked mechanically with the tetracationic cyclophane, cyclobis(paraquat-p-phenylene) (CBPQT(4+)), was synthesized...

Showing 1 to 12 of 366 entries