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Showing 1 to 12 of 33 entries
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Fast and reliable pre-approach for scanning probe microscopes based on tip-sample capacitance.

Ultramicroscopy

de Voogd JM, van Spronsen MA, Kalff FE, Bryant B, Ostojić O, den Haan AMJ, Groot IMN, Oosterkamp TH, Otte AF, Rost MJ.
PMID: 28525802
Ultramicroscopy. 2017 Oct;181:61-69. doi: 10.1016/j.ultramic.2017.05.009. Epub 2017 May 10.

Within the last three decades Scanning Probe Microscopy has been developed to a powerful tool for measuring surfaces and their properties on an atomic scale such that users can be found nowadays not only in academia but also in...

AutoMicromanager: a microscopy scripting toolkit for LABVIEW and other programming environments.

The Review of scientific instruments

Ashcroft BA, Oosterkamp T.
PMID: 21133479
Rev Sci Instrum. 2010 Nov;81(11):113708. doi: 10.1063/1.3499370.

We present a scripting toolkit for the acquisition and analysis of a wide variety of imaging data by integrating the ease of use of various programming environments such as LABVIEW, IGOR PRO, MATLAB, SCILAB, and others. This toolkit is...

Time to maximum indocyanine green fluorescence of gastric sentinel lymph nodes and feasibility of combined indocyanine green/sodium fluorescein gastric lymphography.

Langenbeck's archives of surgery

Osterkamp J, Strandby RB, Nerup N, Svendsen MBS, Svendsen LB, Achiam MP.
PMID: 34245352
Langenbecks Arch Surg. 2021 Jul 10; doi: 10.1007/s00423-021-02265-y. Epub 2021 Jul 10.

PURPOSE: Indocyanine green (ICG) and sodium fluorescein (SF) are fluorescent dyes used for sentinel lymph node mapping. In oncological gastric surgery, ICG lymphography has increased the number of resected lymph nodes. However, the optimal time to administer ICG is...

Quantitative fluorescence angiography detects dynamic changes in gastric perfusion.

Surgical endoscopy

Osterkamp J, Strandby R, Nerup N, Svendsen M, Svendsen L, Achiam M.
PMID: 33258036
Surg Endosc. 2021 Dec;35(12):6786-6795. doi: 10.1007/s00464-020-08183-2. Epub 2020 Nov 30.

INTRODUCTION: The use of Indocyanine green (ICG) fluorescence angiography (ICG-FA) is an applied method to assess visceral perfusion during surgical procedures worldwide. Further development has entailed quantification of the fluorescence signal; however, whether quantified ICG-FA can detect intraoperative changes...

Excitation spectra of circular, few-electron quantum dots .

Science (New York, N.Y.)

Kouwenhoven LP, Oosterkamp TH, Danoesastro MWS, Eto M, Austing DG, Honda T, Tarucha S.
PMID: 9388179
Science. 1997 Dec 05;278(5344):1788-92. doi: 10.1126/science.278.5344.1788.

Studies of the ground and excited states in semiconductor quantum dots containing 1 to 12 electrons showed that the quantum numbers of the states in the excitation spectra can be identified and compared with exact calculations. A magnetic field...

Dissipation and resonance frequency shift of a resonator magnetically coupled to a semiclassical spin.

Scientific reports

de Voogd JM, Wagenaar JJ, Oosterkamp TH.
PMID: 28186145
Sci Rep. 2017 Feb 10;7:42239. doi: 10.1038/srep42239.

We calculate the change of the properties of a resonator, when coupled to a semiclassical spin by means of the magnetic field. Starting with the Lagrangian of the complete system, we provide an analytical expression for the linear response...

The "Interval Walking in Colorectal Cancer" (I-WALK-CRC) study: Design, methods and recruitment results of a randomized controlled feasibility trial.

Contemporary clinical trials communications

Banck-Petersen A, Olsen CK, Djurhuus SS, Herrstedt A, Thorsen-Streit S, Ried-Larsen M, Østerlind K, Osterkamp J, Krarup PM, Vistisen K, Mosgaard CS, Pedersen BK, Højman P, Christensen JF.
PMID: 29696237
Contemp Clin Trials Commun. 2018 Feb 06;9:143-150. doi: 10.1016/j.conctc.2018.01.008. eCollection 2018 Mar.

BACKGROUND: Low physical activity level is associated with poor prognosis in patients with colorectal cancer (CRC). To increase physical activity, technology-based platforms are emerging and provide intriguing opportunities to prescribe and monitor active lifestyle interventions. The "Interval Walking in...

Caries preventive measures in orthodontic practice: the development of a clinical practice guideline.

Orthodontics & craniofacial research

Oosterkamp BC, van der Sanden WJ, Frencken JE, Kuijpers-Jagtman AM.
PMID: 26450013
Orthod Craniofac Res. 2016 Feb;19(1):36-45. doi: 10.1111/ocr.12107. Epub 2015 Oct 09.

OBJECTIVES: White spot lesions (WSLs) are a side effect of orthodontic treatment, causing esthetic problems and a risk of deeper enamel and dentine lesions. Many strategies have been developed for preventing WSLs, but great variability exists in preventive measures...

Atomic resolution scanning tunneling microscopy in a cryogen free dilution refrigerator at 15 mK.

The Review of scientific instruments

den Haan AM, Wijts GH, Galli F, Usenko O, van Baarle GJ, van der Zalm DJ, Oosterkamp TH.
PMID: 24689625
Rev Sci Instrum. 2014 Mar;85(3):035112. doi: 10.1063/1.4868684.

Pulse tube refrigerators are becoming more common, because they are cost efficient and demand less handling than conventional (wet) refrigerators. However, a downside of a pulse tube system is the vibration level at the cold-head, which is in most...

Subsurface-AFM: sensitivity to the heterodyne signal.

Nanotechnology

Verbiest GJ, Oosterkamp TH, Rost MJ.
PMID: 23942333
Nanotechnology. 2013 Sep 13;24(36):365701. doi: 10.1088/0957-4484/24/36/365701. Epub 2013 Aug 13.

Applying heterodyne force microscopy (HFM), it has been impressively demonstrated that it is possible to obtain subsurface information: 20 nm large gold nanoparticles that were buried 500 nm deep have been imaged. It is the heterodyne signal that contains...

A compact multipurpose nanomanipulator for use inside a scanning electron microscope.

The Review of scientific instruments

Heeres EC, Katan AJ, van Es MH, Beker AF, Hesselberth M, van der Zalm DJ, Oosterkamp TH.
PMID: 20192499
Rev Sci Instrum. 2010 Feb;81(2):023704. doi: 10.1063/1.3271033.

A compact, two-stage nanomanipulator was designed and built for use inside a scanning electron microscope. It consists of a fine stage employing piezostacks that provide a 15 microm range in three dimensions and a coarse stage based on commercially...

Isotope-selective detection and imaging of organic nanolayers.

Nano letters

Mamin HJ, Oosterkamp TH, Poggio M, Degen CL, Rettner CT, Rugar D.
PMID: 19588904
Nano Lett. 2009 Aug;9(8):3020-4. doi: 10.1021/nl901466p.

Magnetic resonance force microscopy (MRFM) makes use of the spectroscopic nature of magnetic resonance to add unambiguous elemental selectivity to scanning probe microscopy. We show isotopic selectivity of MRFM for three nuclei, (1)H, (31)P, and (13)C, in organic materials....

Showing 1 to 12 of 33 entries