Antibacterial efficacy of carnosic acid as an intracanal medicament against : Quantitative polymerase chain reaction study.

Aim: The aim of this study was to quantitatively assess the antibacterial effectiveness of carnosic acid, propolis, and calcium hydroxide when used as intracanal medications against .

Methodology: Forty-six human mandibular single-rooted premolar root lengths were standardized to 12 mm after decoronation. Cleaning and shaping were performed.

X-ray diffraction and its emerging applications in the food industry.

X-ray diffraction (XRD) is an analytical technique that has found several applications focusing on the identification of crystal structure, space groups, plane, and orientation, in addition to qualitative and quantitative phase identification, and polymorphism behavior. An XRD diffractogram pattern/Bragg's peak can also provide valuable information that can be used for various food applications. While this review details the fundamental principles of XRD, the types of XRD systems, instrumentation, and the components thereof, the focus is to serve as a structured resource on explored applications of XRD in food, majorly revolving around food quality and safety.

Novel powder-XRD method for detection of acrylamide in processed foods.

Acrylamide (AA) is a toxin in food systems associated with neurotoxicity, carcinogenicity, genotoxicity, and cardiotoxicity. While several approaches exist, this work details the first-of-its-kind application of Powder X-Ray Diffraction (PXRD) for the detection of AA in food systems. A new methodology was validated as per ICH guidelines.

Relationship of endothelial function and atherosclerosis to treatment response in late-life depression.

Objective: Treatment response in late-life depression has been linked to cerebrovascular disease notably via the vascular depression hypothesis. This study investigated the relationship between endothelial function and atherosclerosis and treatment response to antidepressant monotherapy.

Methods: Twenty five patients with late-life depression were compared with 21 non-depressed control subjects in a case control study.

Age at onset and vascular pathology in late-life depression.

Objective: There is considerable evidence to suggest that late-onset depression may be etiologically distinct from early-onset depression. The aim of this study was to compare vascular function and magnetic resonance imaging-defined brain ischemic changes between early-onset depressed (EOD) and late-onset depressed (LOD) subjects.

Design: Case-control study.