We previously described in a paper published in BIOS an undergraduate lab activity involving the gene cloning, expression, and purification of Thermus aquaticus (Taq) DNA polymerase, an enzyme used in the polymerase chain reaction (PCR). Based on the large number of requests for biological materials and questions about the protocols this paper invoked, we explored methods to simplify the protei...

Background and Aim: The present study aimed to evaluate the materials, methods, and equipment used by general dentists in southeastern Iran for endodontic treatments in 2021.   Materials and Methods: In this cross-sectional study, 121 standard questionnaires were distributed among general dentists in Rafsanjan city, Iran. The questionnaire included demographics and questions regarding the t...

UPPLY chain management (SCM) is a concept that has originated in the manufacturing industry to control logistics. It represents a management process by which enterprises administer and control the worldwide network of suppliers, factories, warehouses, distribution centers and retailers through which raw materials are acquired, transformed and delivered to customers. In construction, procurement...

Home care clinicians often have to transport supplies to patients' homes, and remove and transport items from the home after care is provided. This article will provide guidelines and best practices for the proper methods of managing and storing infection prevention and control supplies and regulated medical waste in a home care clinician's personal vehicle.

A simple, low-cost, accurate thin-layer chromatography (TLC) method has been used to establish the first drug quality screening laboratory in Swaziland. For this purpose, office space at the central medical stores was first converted into a simple laboratory. Basic equipment, supplies, and materials were purchased, existing manpower was trained to perform accurately the TLC procedure, and a sys...

BACKGROUND Outbreaks of Severe Acute Respiratory Syndrome (SARS) in 2003 and renewed concerns regarding pandemic influenza have resulted in widespread planning for future respiratory disease outbreaks. Such planning should include accurate cost estimates for any proposed disease control strategies. From the acute care hospital perspective, such estimates typically take into account the cost of ...

The objective of this study was to evaluate the structure of primary care units of the family health program of the São Paulo municipal district to support child nursing consultation. Components of a structural and systematic evaluative process for health care services served as the conceptual framework for the study. A specific questionnaire, with established and documented content validity, w...

Due to a continuously increasing power demand of computer–network server equipment, power supply manufacturers are faced with requirements for ac/dc server power supplies with significantly higher power densities. In this paper, circuit technologies and optimization techniques that are suitable for meeting these new power-density requirements are discussed. The focus of the paper is on single-p...