Results 61 to 70 of about 79,292 (170)

Spectroscopic Analysis of Hydration Structures in PEG‐ and PMPC‐Containing Hydrogels by Pressure‐Controlled ATR‐IR Combined With Multivariate Curve Resolution

Surface and Interface Analysis, EarlyView.
ABSTRACT Hydration structures govern the properties and functions of hydrogels, yet selectively measuring hydration water in the presence of abundant bulk water remains analytically challenging. Here we applied pressure‐controlled attenuated total reflection infrared spectroscopy (ATR‐IR) combined with multivariate curve resolution (MCR) analysis, a ...
Shoichi Maeda, Shunta Chikami, Glenn Villena Latag, Ryuya Gotanda, Masaki Kamiya, Koji Miyamoto, Chia‐Ying Chiang, Tomohiro Hayashi   +7 more
wiley   +1 more source

New approaches for diagnosis of dry eye disease [PDF]

International Journal of Ophthalmology, 2019
We reviewed the literature for different diagnostic approaches for dry eye disease (DED) including the most recent advances, contradictions and promising diagnostic tools and technique.
Abdelrahman M. Elhusseiny, Ali A. Khalil, Reem H. El Sheikh, Mohammad A. Bakr, Mohamed Gaber Eissa, Yasmine M. El Sayed   +5 more
doaj   +1 more source

A Versatile Microfluidic Manufacturing Platform for Macroscale Multicore Hydrogel Capsules Toward Programmable Oral Delivery of Therapeutics

Small, EarlyView.
This study presents a microfluidic fabrication method for millimeter‐scale multicore hydrogel capsules containing multiple aqueous cores physically isolated by oil layers. These macrocapsules exhibit mechanical and chemical robustness effectively protecting cargos under simulated gastric conditions.
Hye‐Seon Jeong, Chae‐Hee Park, Yoon Choi, Hyunmin Yi, Chang‐Hyung Choi   +4 more
wiley   +1 more source

A Cytoplasmic pH Sensor Redefines Gating in Bacterial Urea Channels and Acid Resistance

Small, EarlyView.
Bacterial survival in acidic environments requires pH‐gated urea channels. Utilizing complementary approaches, we identify a conserved cytoplasmic glutamic acid residue as a pH sensor in UreI channels. Whereas Gram‐positive bacteria rely solely on this sensor, Gram‐negative bacteria employ a dual‐sensor mechanism with periplasmic residues, revealing a ...
Anna Stoib, Sahar Shojaei, Xenia Fischer, Sandra Posch, Gianluca Parisse, Mario Frezzini, Tobias Putz, Christine Siligan, Nikolaus Goessweiner‐Mohr, Daniele Narzi, Andreas Horner   +10 more
wiley   +1 more source

A Model for Tear Film Thinning With Osmolarity and Fluorescein [PDF]

Investigative Opthalmology & Visual Science, 2014
We developed a mathematical model predicting dynamic changes in fluorescent intensity during tear film thinning in either dilute or quenching regimes and we model concomitant changes in tear film osmolarity.We solved a mathematical model for the thickness, osmolarity, fluorescein concentration, and fluorescent intensity as a function of time, assuming ...
Richard J, Braun, Nicholas R, Gewecke, Carolyn G, Begley, P Ewen, King-Smith, Javed I, Siddique   +4 more
openaire   +2 more sources

Low‐level light therapy for dry eye disease and meibomian gland dysfunction: A systematic review and meta‐analysis

Acta Ophthalmologica, EarlyView.
Abstract A healthy tear film is vital for ocular surface integrity and relies on the coordinated function of the lacrimal glands, meibomian glands and conjunctival goblet cells. Dysfunction in any of these elements can lead to dry eye disease (DED). This systematic review and meta‐analysis evaluated the efficacy of low‐level light therapy (LLLT) as a ...
Sjur Reppe, Yousif Subhi, Tore Steinkjer, Mazyar Yazdani, Miriam Kolko, Tor P. Utheim, Fredrik Andreas Fineide   +6 more
wiley   +1 more source

Tear Osmolarity Measurements in Dry Eye Related to Primary Sjogren's Syndrome

, 2011
Background: To evaluate the tear osmolarity in patients with dry eye syndrome related to primary Sjogren's Syndrome (SS). Materials and Methods: Twenty eyes of 10 patients with dry eye and primary SS (Group 1) and 20 eyes of 20 subjects who do not ...
Yavuz, Sule, Ciftci, Ferda, YILDIRIM, CANAN ASLI, Bicakcigil, Muge   +3 more
core   +2 more sources

Ocular Manifestations of Metabolic Syndrome: A Systemic Vascular Phenotype

Diabetes, Obesity and Metabolism, Volume 28, Issue 11, Page 9809-9818, November 2026.
ABSTRACT Context Metabolic syndrome (MetS) is defined by central obesity, insulin resistance, hypertension and dyslipidemia. MetS affects over one‐third of US adults. Beyond its cardiovascular burden, MetS has clinically relevant associations with ocular health and may contribute to a systemic vascular and neuro‐metabolic phenotype involving the retina,
Ron T. Varghese, Ansu A. John
wiley   +1 more source

Tracking Sodium Inside the Plant: Hydraulic Adjustments to Deal With Salinity

Journal of Agronomy and Crop Science, Volume 212, Issue 6, November 2026.
ABSTRACT Sorghum is a crop that has become more relevant in recent years due to its uses and properties (biofuel, gluten‐free flour) as well as its versatility to grow in unfavourable environmental conditions. Salinity is one of the main abiotic stresses affecting crop production and yield worldwide.
Moira R. Sutka, Pablo D. Cáceres, Marina Recchi, Andrea S. Dengis, Milena E. Manzur   +4 more
wiley   +1 more source

Tear osmolarity and OSDI symptoms: is there a relationship?

African Vision and Eye Health, 2013
No abstract ...
openaire   +3 more sources