Results 31 to 40 of about 3,126,101 (267)

Layer-by-layer tear film measurement in patients with dry eye and meibomian gland dysfunction [PDF]

open access: yesInternational Journal of Ophthalmology
AIM: To evaluate parameters measured using the tear film imager (TFI) prototype, a new technology that enables to quantify the tear film thickness of lipid and mucoaqueous layers.
Reiko Arita   +4 more
doaj   +1 more source

Gradient-thickness thin-layer chromatography for the isolation and analysis of trace amounts of free fatty acids in large lipid samples

open access: yesJournal of Lipid Research, 1970
A thin-layer chromatographic method for quantitative isolation of free fatty acids is described. This method appears to be more satisfactory than existing methods in offering the combination of advantages of specificity, simplicity, rapidity ...
N.G. Bazán, Jr., C.D. Joel
doaj   +1 more source

Change in drag, apparent slip and optimum air layer thickness for laminar flow over an idealised superhydrophobic surface [PDF]

open access: yes, 2013
Analytic results are derived for the apparent slip length, the change in drag and the optimum air layer thickness of laminar channel and pipe flow over an idealised superhydrophobic surface, i.e. a gas layer of constant thickness retained on a wall.
Newton, M.I.   +13 more
core   +1 more source

Assessment of the Tear Film Lipid Layer Thickness after Cataract Surgery

open access: yesSeminars in Ophthalmology, 2016
To evaluate changes in the tear film lipid layer thickness (LLT) after cataract surgery and the effects of cataract surgery on dry eye syndrome (DES) and meibomian gland dysfunction (MGD).LLT measurements obtained using the LipiView interferometer, tear break-up time (TBUT) measurements, Schirmer's tests, Oxford staining scores, lid margin and ...
Jin Sun, Kim   +5 more
openaire   +3 more sources

Numerical solution of the Poisson equation on domains with a thin layer of random thickness [PDF]

open access: yes, 2016
The present article is dedicated to the numerical solution of the Poisson equation on domains with a thin layer of different conductivity and of random thickness.
Dambrine, Marc   +3 more
core   +1 more source

Alterations of Ocular Surface Parameters in Type 2 Diabetic Patients

open access: yesDiabetes, Metabolic Syndrome and Obesity, 2021
Shuang Liang,1 Wanxia Niu,1 Helei Wang,2 Lixia Yang2 1Department of Pediatrics, The Second Hospital, Cheeloo College of Medicine, Shandong University, Jinan, People’s Republic of China; 2Department of Ophthalmology, The Second Hospital, Cheeloo College ...
Liang S, Niu W, Wang H, Yang L
doaj  

Investigating the Impact of COVID-19 Infection on Dry Eye Parameters

open access: yesDiagnostics, 2023
Purpose: This study aims to compare dry eye parameters before and after COVID-19 infection in dry eye patients. Methods: We included 44 dry eye patients (88 eyes) from our existing dry eye cohort, with 22 belonging to the post-COVID-19 group due to a ...
Xulin Liao   +12 more
doaj   +1 more source

Tear Lipid Layer Thickness in Children after Short-Term Overnight Orthokeratology Contact Lens Wear

open access: yesJournal of Ophthalmology, 2020
Meibomian gland lipid secretion is important to the stability of the tear film and ocular surface comfort. Changes in the tear film’s lipid layer thickness (LLT) after orthokeratology treatment may reflect underlying changes to the meibomian gland ...
Li Zeng   +4 more
doaj   +1 more source

Visualization of invisible cell-death sign by electric-double-layer modulation

open access: yesBiosensors and Bioelectronics: X, 2023
Leakage and self-spreading of a cytoplasmic lipid droplet in association with cell death, which was totally invisible in a conventional optical microscope, was discovered by using the recently developed electric-double-layer modulation imaging (EDLMI ...
Jun'ya Tsutsumi   +5 more
doaj   +1 more source

SU-8 Guiding Layer for Love Wave Devices [PDF]

open access: yes, 2007
SU-8 is a technologically important photoresist used extensively for the fabrication of microfluidics and MEMS, allowing high aspect ratio structures to be produced.
Nicola Doy   +15 more
core   +1 more source

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