Publications by authors named "R A RIEGER"

Objective: Optimizing sexual history intake is crucial for effective STI screening and diagnosis. This study, conducted at a university health center, investigated whether implementing a self-administered electronic questionnaire focused on organ contact, compared to the conventional verbal intake method used previously, would increase the number and diversity of screening tests, and subsequently improve detection rates for chlamydia (CT) and gonorrhea (GC).

Methods: The number and types of CT and GC tests ordered, along with diagnosis rates, were analyzed during the implementation of the electronic questionnaire and compared with data from the preceding four years.

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Purpose Of Review: The present investigation assesses efficacy of transcutaneous electrical nerve stimulation (TENS) on relief of cancer or chemotherapy-related pain. Patients with cancer experience a relatively high prevalence of pain that is reportedly undertreated. Therefore, this analysis is pertinent to determine if TENS is a useful complementary therapy considering its increase in accessibility and minimal side effect profile.

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Extrusion-based 3D printing is a widely utilized tool in tissue engineering, offering precise 3D control of bioinks to construct organ-sized biomaterial objects with hierarchically organized cellularized scaffolds. Topological properties in flowing polymers are determined by macromolecule conformation, namely orientation and stretch degree. We utilized the micro-macro approach to describe hydrogel macromolecule orientation during extrusion, offering a two-scale fluid behavior description.

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Objective: This study aimed to assess the effects of an antioxidant-conjugated Hyaluronic Acid (HA), specifically HA-4-aminoresorcinol (HA4AR), on articular cartilage and subchondral bone in osteoarthritis (OA). We conducted a comparative analysis between HA4AR and a commercially available high molecular weight HA formulation in a rabbit model of OA.

Materials And Methods: Eighteen rabbits underwent unilateral anterior cruciate ligament transection (ACLT) and were divided into three groups of six: Saline-group, HA-group, and HA4AR-group, based on the type of intra-articular injection received.

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Sphingolipids (SPLs) are major components of cell membranes with significant functions. Their production is a highly-regulated multi-step process with the formation of two major intermediates, long chain bases (LCBs) and ceramides. Homologous Orm proteins in both yeast and mammals negatively regulate LCB production by inhibiting serine palmitoyltransferase (SPT), the first enzyme in SPL de novo synthesis.

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