Kansai Interational Airport
Centre monitors the entire airport through
the use of many CCTV and intrusion
detection sensors, supplemented by a
communication network. In 2008, we
reconfigured the communication networks
between the various organisations
concerned with emergency response.
As for passenger security checks, in-line
screening has been in place for baggage
checks of international departing
passengers, to standards recognised by
the TSA and ECAC, since October 2007.
It is our plan to adopt in-line screening
for domestic passengers in April 2010.
Countermeasures Against
Kansai Counter-Breach Training
Emergencies
Countermeasures Against place to constantly observe, predict The Crisis Management Committee,
Subsidence and correct any problem before it under the direction of the President
As the airport is built on reclaimed becomes serious. All of the terminal’s of Kansai International Airport, was
land, subsequent soil movement has 900 pillars can be adjusted vertically established to prevent and respond
been predicted since the airport’s using jacks to counter-balance any to serious incidents such as air crashes
opening; this might cause negative earth movement. and hijackings; this committee exists
structural and functional impact in addition to the regular Airport
to the 1700 metre long passenger Reinforcement of Security Security Committee.
terminal building. So, to secure the With regards to airport security, the In November 2008, a training exercise
building, subsidence monitors are in Central Security & Anti-disaster Control was effected in which a vehicle attempted
Anti-viral Mechanism by Understanding of the antibacterial/ the toxins that bacteria secrete can be
Photo-catalyst antiviral effects of photo-catalyst requires decomposed through oxidation by reactive
by Hirotaka Naitou Ph.D., Institute for some chemical knowledge. When light is oxygen species in a way similar to bacteria
Environmental Sciences, University of Shizuoka irradiated onto TiO2, electrons are excited themselves. A virus is a simple microorganism
due to photoelectric effect and electrons in which genetic material (DNA or RNA) is
Metallic oxides such as strontium titanate and holes are generated. The excited encapsulated by the capsid protein. The
(SrTiO3), tungsten trioxide (WO3) and zinc electrons bind to molecular oxygen in the viral outer membrane and the spike to
oxide (ZnO), as well as sulfides such as zinc air to form a highly chemically reactive infect the host cell are also proteins. Photo-
sulfide (ZnS) and cadmium sulfide (CdS), are species. On the other hand, positively- catalyst oxidatively decomposes the organic
known as photo-catalysts. charged holes react with water in the air to matter of the virus and eliminates its activity.
On grounds of its photo-catalytic form a highly chemically reactive species. Reactive oxygen species decompose or
properties, stability and safety, it is titanium These highly reactive species oxidatively destruct any organic matters regardless of
dioxide (TiO2) that is generally utilised as a decompose organic matters including whether they are bacteria, virus, or dust.
photo-catalyst. It has long been understood proteins and lipids, exerting antibacterial The influenza virus can survive on
that TiO2 absorbs ultraviolet rays to and antiviral effects. However, TiO2 requires environmental surfaces and can infect
catalyse chemical reactions. The photo- ultraviolet rays in order to generate reactive a person for 2 to 8 hours after being
catalytic property of TiO2 was reported oxygen species. Although ultraviolet deposited on the surface.(Centers for
by Fujishima and Honda in 1972, and the intensity equivalent to that outdoors is Disease Control and Prevention http://
use of UVA activated TiO2 for disinfection enough, the amount of ultraviolet rays www.cdc.gov/h1n1flu/qa.htm) Viruses can
was proposed by Matsunaga et al. in 1985. emitted by indoor fluorescent lights may be transmitted from hands to inanimate
There have since been reports of the use not be sufficient in some circumstances, surfaces and vice versa (Ansari et al. 1988,
of photo-catalysis for the destruction of hence taking a long time for antibacterial 1991) and contaminated surfaces are
bacteria, fungi and algae. or antiviral effects to be exhibited. For the implicated in the transmission of viruses
The effect on the destruction of a purpose of achieving these effects even (Widdowson et al. 2005). Photo-catalyst
virus (bacteriophage) by photo-catalytic under dim lights, therefore, photo-catalysts is film-coated on the object and exerts its
reaction was first reported by Sjogren and carrying antimicrobial metals such as copper antiviral effect by contacting the surface.
Sierka in 1994. More recently, the effect and silver are being utilised at present. Therefore, it is very effective for such cases
of the photo-catalytic reaction on many Bacteria are unicellular organisms, where a small amount of the target matter
kinds of viruses has been reported (eg. whose structural components are mostly is adhered to the surface.
Ling et al. 2007). proteins. Consisting also of proteins,
24 Register now for FREE instant access to ASI online by visiting www.asi-mag.com December 2009 Aviationsecurityinternational
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