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Ultrasonic Drug Delivery–A General Review
Abstract Ultrasound has an ever-increasing role in the delivery of therapeutic agents, including genetic material, protein and chemotherapeutic agents. Cavitating gas bodies, such as microbubbles, are the mediators through which the energy of relatively non-interactive pressure waves is concentrated to produce forces that permeabilise cell membranes and disrupt the vesicles that carry drugs. Thus, the […]
Physical Energy for Drug Delivery; Poration, Concentration and Activation
Abstract Techniques for controlling the rate and duration of drug delivery, while targeting specific locations of the body for treatment, to deliver the cargo (drugs or DNA) to particular parts of the body by what are becoming called “smart drug carriers” have gained increased attention during recent years. Using such smart carriers, researchers have also […]
Vibrating Sharp-edge Spray Ionization (VSSI) for Voltage-Free Direct Analysis of Samples Using Mass Spectrometry
Abstract Rationale: The development of miniaturized and field portable mass spectrometers could not succeed without a simple, compact, and robust ionization source. Here we present a voltage-free ionization method, Vibrating Sharp-edge Spray Ionization (VSSI), which can generate a spray of liquid samples using only one standard microscope glass slide to which a piezoelectric transducer is attached. […]
HOW EFFECTIVE ARE FACE MASKS IN OPERATION THEATRE? A TIME FRAME ANALYSIS AND RECOMMENDATIONS
Reifenhäuser Lines
Inline Meltblown SMMMS SMMS Spunbond line SSMMMS SSMMMSS Stand-alone Meltblown Three-beam spunbond line (SSS)
Interesting Video showing the whole face mask production process from Source in East Europe
https://youtu.be/U78Y9zjB7is
How does your Ultrasonic Probe/Stack work?
Ultrasonic ProbePlastic welding is the most common application of ultrasonic assembly. To perform ultrasonic plastic welding, a vibrating tip is brought into contact with one of the work pieces as shown in Figure 1–1. Pressure is applied and ultrasonic energy travels through the material, increasing the kinetic energy (or heat) at the contact point of the two […]
N95 Respirators and Surgical Masks
With the advent of a novel H1N1 influenza outbreak in spring 2009 and the expectation of a second wave during the 2009–2010 flu season, there has been considerable interest in the use of surgical masks (facemasks) and respirators as infection control measures. Although their appearance is often similar, respirators are designed and engineered for distinctly […]
PERFECT PICTURE OF A WELD OF AN EARLOOP TO A MASK
PERFECT PICTURE OF A WELD OF AN EARLOOP TO A MASK
Particle Size-Selective Assessment of Protection of European Standard FFP Respirators and Surgical Masks against Particles-Tested with Human Subjects
Face Mask Types And Illustrations
V-1810, 4 LAYER N-95 MASK ILLUSTRATIONMASK-1111, FLAT, SURGICAL MASK, 3-PLY NONWOVEN SPUNBOND, MELTBLOWN AND SPUNBONDMASK-1112MASK-1113MASK-1121, SEE J-2756 FOR THE LINE THAT PRODUCES THESEMASK-1115 KN95 MEDICAL MASKS (PARTICULATE RESPIRATORS)MASK-1116 N95 MEDICAL MASKS (PARTICULATE RESPIRATORS)MASK-1117 FFP2 MEDICAL MASKS (PARTICULATE RESPIRATORS)MASK-1118 3M 1860 MEDICAL MASKS (PARTICULATE RESPIRATORS)MASK-1119 3M 8577 MEDICAL MASKS (PARTICULATE RESPIRATORS)MASK-1120 3M 9541V MEDICAL MASKS (PARTICULATE [...]
