Nanoparticles - Revision history

NRJC: /* Examples */

2019-04-03T14:46:19Z

‎Examples

NRJC: /* Examples */

2019-04-03T14:46:08Z

‎Examples

NRJC: /* Risks of Nanoparticles */

2019-04-03T14:45:36Z

‎Risks of Nanoparticles

NRJC: /* About Nanoparticles */

2019-04-03T14:45:17Z

‎About Nanoparticles

NRJC at 14:45, 3 April 2019

2019-04-03T14:45:08Z

NRJC at 14:44, 3 April 2019

2019-04-03T14:44:25Z

NRJC at 11:19, 2 January 2019

2019-01-02T11:19:58Z

NRJC: /* About Nanoparticles */

2019-01-01T20:57:01Z

‎About Nanoparticles

NRJC at 20:56, 1 January 2019

2019-01-01T20:56:18Z

NRJC at 20:51, 1 January 2019

2019-01-01T20:51:36Z

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 *[[Silver]] - [[Nanoparticles]] of [[Silver]] can prevent the growth of [[Micro-organism]]s.
 *[[Catalyst]]s - [[Nanoparticles]] of [[Catalyst]]s are far more efficient than larger [[particle]]s due to their very large [[Surface Area|surface area]].
-*Nanocages - A nanocage made of [[Carbon]] in the form of a [[Fullerene]] or a Carbon Nanotube can contain a [[drug]] so it can be delivered to the right location in the body.
+*Nanocages - A nanocage made of [[Carbon]] in the form of a fullerene or a Carbon Nanotube can contain a [[drug]] so it can be delivered to the right location in the body.

@@ Line 14: / Line 14: @@
 ===Examples===
-*[[Zinc Oxide]] - [[Nanoparticles]] of [[Zinc Oxide]] are used in [[Sunscreen]] to [[absorb (Physics)|absorb]] [[Ultraviolet]] [[light]]. [[Zinc Oxide]] normally forms a white powder, but [[nanoparticles]] of [[Zinc Oxide]] are smaller enough not to for a white layer over the [[skin]].
+*[[Zinc Oxide]] - [[Nanoparticles]] of [[Zinc Oxide]] are used in sunscreen to [[absorb (Physics)|absorb]] [[Ultra-violet]] [[light]]. [[Zinc Oxide]] normally forms a white powder, but [[nanoparticles]] of [[Zinc Oxide]] are smaller enough not to for a white layer over the [[skin]].
 *[[Silver]] - [[Nanoparticles]] of [[Silver]] can prevent the growth of [[Micro-organism]]s.
 *[[Catalyst]]s - [[Nanoparticles]] of [[Catalyst]]s are far more efficient than larger [[particle]]s due to their very large [[Surface Area|surface area]].
 *Nanocages - A nanocage made of [[Carbon]] in the form of a [[Fullerene]] or a Carbon Nanotube can contain a [[drug]] so it can be delivered to the right location in the body.

@@ Line 11: / Line 11: @@
 ===Risks of Nanoparticles===
 : [[Inhale|Inhaling]] [[nanoparticles]] may damage the [[lungs]]. Recent research has suggested Carbon Nanotubes may be [[harmful]] if [[inhale]]d.
-: [[Nanoparticle]]s of certain [[reactivity|reactive]] [[metal]]s [[Chemical Reaction|react]] very quickly with [[Oxygen]] due to their large [[Surface Area]] which could result in an [[explosive|explosion]] if ignited.
+: [[Nanoparticles]] of certain [[reactivity|reactive]] [[metal]]s [[Chemical Reaction|react]] very quickly with [[Oxygen]] due to their large [[Surface Area]] which could result in an [[explosive|explosion]] if ignited.
 ===Examples===

@@ Line 4: / Line 4: @@
 ===About Nanoparticles===
-: A [[Hydrogen]] [[atom]] has a [[radius]] of 0.1[[nanometre]]s so 10 [[Hydrogen]] [[atom]]s lined up can make one [[nanometre]]. A '''nanoparticle''' may have a [[width]] of as little as 10 [[atom]]s or as many as 1000 [[atom]]s. (NB [[Hydrogen]] is being used as a comparison for the [[width]] and most [[nanoparticles]] are made of other types of [[atom]].)
+: A [[Hydrogen]] [[atom]] has a radius of 0.1[[nanometre]]s so 10 [[Hydrogen]] [[atom]]s lined up can make one [[nanometre]]. A '''nanoparticle''' may have a [[width]] of as little as 10 [[atom]]s or as many as 1000 [[atom]]s. (NB [[Hydrogen]] is being used as a comparison for the [[width]] and most [[nanoparticles]] are made of other types of [[atom]].)
 : A [[substance]] that is broken down into [[nanoparticles]] may have very different [[property|properties]] to large [[Volume (Space)|volumes]] of the [[substance]].
 : The [[Surface Area to Volume Ratio|surface area to volume ratio]] of [[nanoparticles]] is much higher than large [[Volume (Space)|volumes]] of the same [[substance]]. It is this large [[Surface Area|surface area]] compared to the [[Volume (Space)|volume]] that gives it the different [[property|properties]].

@@ Line 1: / Line 1: @@
 ==Key Stage 4==
 ===Meaning===
-[[Nanoparticles]] are small clumps of [[atom]]s which are between 1 and 100 [[nanometre]]s ([[billion]]ths of a [[metre]]) in [[length]], [[width]] or [[height]].
+[[Nanoparticles]] are small clumps of [[atom]]s which are between 1 and 100 [[nanometre]]s (billionths of a [[metre]]) in [[length]], [[width]] or [[height]].
 ===About Nanoparticles===
@@ Line 10: / Line 10: @@
 ===Risks of Nanoparticles===
-: [[Inhale|Inhaling]] [[nanoparticles]] may damage the [[lungs]]. Recent research has suggested [[Carbon Nanotube]]s may be [[harmful]] if [[inhale]]d.
+: [[Inhale|Inhaling]] [[nanoparticles]] may damage the [[lungs]]. Recent research has suggested Carbon Nanotubes may be [[harmful]] if [[inhale]]d.
 : [[Nanoparticle]]s of certain [[reactivity|reactive]] [[metal]]s [[Chemical Reaction|react]] very quickly with [[Oxygen]] due to their large [[Surface Area]] which could result in an [[explosive|explosion]] if ignited.
@@ Line 17: / Line 17: @@
 *[[Silver]] - [[Nanoparticles]] of [[Silver]] can prevent the growth of [[Micro-organism]]s.
 *[[Catalyst]]s - [[Nanoparticles]] of [[Catalyst]]s are far more efficient than larger [[particle]]s due to their very large [[Surface Area|surface area]].
-*[[Nanocage]]s - A [[nanocage]] made of [[Carbon]] in the form of a [[Fullerene]] or a [[Carbon Nanotube]] can contain a [[drug]] so it can be delivered to the right location in the body.
+*Nanocages - A nanocage made of [[Carbon]] in the form of a [[Fullerene]] or a Carbon Nanotube can contain a [[drug]] so it can be delivered to the right location in the body.

← Older revision		Revision as of 11:19, 2 January 2019
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	: The [[Surface Area to Volume Ratio\|surface area to volume ratio]] of [[nanoparticles]] is much higher than large [[Volume (Space)\|volumes]] of the same [[substance]]. It is this large [[Surface Area\|surface area]] compared to the [[Volume (Space)\|volume]] that gives it the different [[property\|properties]].		: The [[Surface Area to Volume Ratio\|surface area to volume ratio]] of [[nanoparticles]] is much higher than large [[Volume (Space)\|volumes]] of the same [[substance]]. It is this large [[Surface Area\|surface area]] compared to the [[Volume (Space)\|volume]] that gives it the different [[property\|properties]].
	: In 'bulk' [[material]]s a very small proportion of [[atom]]s exist on the surface of the [[material]]. However, for [[nanoparticles]] a much larger proportion of [[atom]]s exist on the surface allowing those [[particle]]s to interact with others around it.		: In 'bulk' [[material]]s a very small proportion of [[atom]]s exist on the surface of the [[material]]. However, for [[nanoparticles]] a much larger proportion of [[atom]]s exist on the surface allowing those [[particle]]s to interact with others around it.
		+
		+	===Risks of Nanoparticles===
		+	: [[Inhale\|Inhaling]] [[nanoparticles]] may damage the [[lungs]]. Recent research has suggested [[Carbon Nanotube]]s may be [[harmful]] if [[inhale]]d.
		+	: [[Nanoparticle]]s of certain [[reactivity\|reactive]] [[metal]]s [[Chemical Reaction\|react]] very quickly with [[Oxygen]] due to their large [[Surface Area]] which could result in an [[explosive\|explosion]] if ignited.
		+
		+	===Examples===
		+	*[[Zinc Oxide]] - [[Nanoparticles]] of [[Zinc Oxide]] are used in [[Sunscreen]] to [[absorb (Physics)\|absorb]] [[UV]] [[light]]. [[Zinc Oxide]] normally forms a white powder, but [[nanoparticles]] of [[Zinc Oxide]] are smaller enough not to for a white layer over the [[skin]].
		+	*[[Silver]] - [[Nanoparticles]] of [[Silver]] can prevent the growth of [[Micro-organism]]s.
		+	*[[Catalyst]]s - [[Nanoparticles]] of [[Catalyst]]s are far more efficient than larger [[particle]]s due to their very large [[Surface Area\|surface area]].
		+	*[[Nanocage]]s - A [[nanocage]] made of [[Carbon]] in the form of a [[Fullerene]] or a [[Carbon Nanotube]] can contain a [[drug]] so it can be delivered to the right location in the body.