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Showing 1 to 12 of 40 entries
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Revisiting the Exact Relation between Potential of Mean Force and Free-Energy Profile.

Journal of chemical theory and computation

den Otter WK.
PMID: 26592381
J Chem Theory Comput. 2013 Sep 10;9(9):3861-5. doi: 10.1021/ct400134d. Epub 2013 Aug 26.

Constraints are convenient in the calculation of free energy profiles via molecular dynamics simulations, but they subtly alter the phase space distribution. In a recent letter of a related title in this journal, Wong and York [J. Chem. Theory...

Nucleation free energy of pore formation in an amphiphilic bilayer studied by molecular dynamics simulations.

The Journal of chemical physics

Tolpekina TV, den Otter WK, Briels WJ.
PMID: 15634170
J Chem Phys. 2004 Dec 15;121(23):12060-6. doi: 10.1063/1.1815296.

The formation of a pore in a membrane requires a considerable rearrangement of the amphiphilic molecules about to form the bilayer edge surrounding the pore, and hence is accompanied by a steep increase of the free energy. Recent rupture...

Mathematical analysis of the cellular immune reaction against tumour cells.

Immunology today

De Weger RA, Dullens HF, De Boer RJ, Den Otter W.
PMID: 25290993
Immunol Today. 1985 Nov;6(11):316-7. doi: 10.1016/0167-5699(85)90119-7.

No abstract available.

Coarse grain forces in star polymer melts.

Soft matter

Liu L, den Otter WK, Briels WJ.
PMID: 25158294
Soft Matter. 2014 Oct 21;10(39):7874-86. doi: 10.1039/c4sm00767k. Epub 2014 Aug 26.

An analysis is presented of forces acting on the centers of mass of three-armed star polymers in the molten state. The arms consist of 35 Kremer-Grest beads, which is slightly larger than needed for one entanglement mass. For a...

Diaphragm-Based Position Verification to Improve Daily Target Dose Coverage in Proton and Photon Radiation Therapy Treatment of Distal Esophageal Cancer.

International journal of radiation oncology, biology, physics

Visser S, den Otter LA, Ribeiro CO, Korevaar EW, Both S, Langendijk JA, Muijs CT, Sijtsema NM, Knopf A.
PMID: 34530091
Int J Radiat Oncol Biol Phys. 2021 Sep 14; doi: 10.1016/j.ijrobp.2021.09.015. Epub 2021 Sep 14.

PURPOSE: In modern conformal radiation therapy of distal esophageal cancer, target coverage can be affected by variations in the diaphragm position. We investigated if daily position verification (PV) extended by a diaphragm position correction would optimize target dose coverage...

Prediction of obstructive sleep apnea: comparative performance of three screening instruments on the apnea-hypopnea index and the oxygen desaturation index.

Sleep & breathing = Schlaf & Atmung

Veugen CCAFM, Teunissen EM, den Otter LAS, Kos MP, Stokroos RJ, Copper MP.
PMID: 33098537
Sleep Breath. 2021 Sep;25(3):1267-1275. doi: 10.1007/s11325-020-02219-6. Epub 2020 Oct 24.

PURPOSE: To evaluate the performance of the NoSAS (neck, obesity, snoring, age, sex) score, the STOP-Bang (snoring, tiredness, observed apneas, blood pressure, body mass index, age, neck circumference, gender) questionnaire, and the Epworth sleepiness score (ESS) as a screening...

Geometric approach to the pressure tensor and the elastic constants.

Physical review. E, Statistical, nonlinear, and soft matter physics

den Otter WK, Kröhn M, Clarke JH.
PMID: 11800817
Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Jan;65(1):016704. doi: 10.1103/PhysRevE.65.016704. Epub 2001 Dec 21.

Expressions are obtained for the pressure tensor in the canonical and the microcanonical ensemble for both isolated and periodic systems, using the same geometric approach to thermodynamic derivatives as has been used previously to define the configurational temperature. The...

Olfactory sensitivities of mosquitoes with different host preferences (Anopheles gambiae s.s., An. arabiensis, An. quadriannulatus, An. m. atroparvus) to synthetic host odours.

Journal of insect physiology

van den Broek IV, den Otter CJ.
PMID: 12770275
J Insect Physiol. 1999 Nov;45(11):1001-1010. doi: 10.1016/s0022-1910(99)00081-5.

Responses of antennal olfactory cells associated with sensilla trichodea were recorded in females of four Anopheles species (Diptera, Culicidae) with different host preferences: the anthropophilic An. gambiae s.s., the opportunistic An. arabiensis, and the zoophilic An. quadriannulatus and An....

Microphase separation and liquid-crystalline ordering of rod-coil copolymers.

The Journal of chemical physics

AlSunaidi A, den Otter WK, Clarke JH.
PMID: 19334892
J Chem Phys. 2009 Mar 28;130(12):124910. doi: 10.1063/1.3089701.

Microphase separation and liquid-crystalline ordering in diblock and triblock rod-coil copolymers (with rod-to-coil fraction f=0.5) were investigated using the dissipative particle dynamics method. When the isotropic disordered phases of these systems were cooled down below their order-disorder transition temperatures...

"In search of excellence-.

Occupational therapy in health care

Madill HM, Brintnell ES, den Otter R.
PMID: 23944859
Occup Ther Health Care. 1986;3(2):117-27. doi: 10.1080/J003v03n02_10.

Peters and Waterman (1983) have reviewed and profiled some of America's leading corporations, in order to determine what might account for their success. This paper reviews Peters' and Waterman's basic tenets and draws parallels for occupational therapy. The outcome...

Isotropic-nematic spinodals of rigid long thin rodlike colloids by event-driven Brownian dynamics simulations.

The Journal of chemical physics

Tao YG, den Otter WK, Dhont JK, Briels WJ.
PMID: 16613476
J Chem Phys. 2006 Apr 07;124(13):134906. doi: 10.1063/1.2180251.

The isotropic-nematic spinodals of solutions of rigid spherocylindrical colloids with various shape anisotropies L/D in a wide range from 10 to 60 are investigated by means of Brownian dynamics simulations. To make these simulations feasible, we developed a new...

Brownian dynamics simulations of the self- and collective rotational diffusion coefficients of rigid long thin rods.

The Journal of chemical physics

Tao YG, den Otter WK, Padding JT, Dhont JK, Briels WJ.
PMID: 16035812
J Chem Phys. 2005 Jun 22;122(24):244903. doi: 10.1063/1.1940031.

Recently a microscopic theory for the dynamics of suspensions of long thin rigid rods was presented, confirming and expanding the well-known theory by Doi and Edwards [The Theory of Polymer Dynamics (Clarendon, Oxford, 1986)] and Kuzuu [J. Phys. Soc....

Showing 1 to 12 of 40 entries