Uninterruptible power supply- in the lab!??

Hello  everyone

i know you guys are having exam, that why i wanna introduce you to this thing below

the

UPS, or so called Uninterruptible power supply

it is basically a battery that would served as a back up when there is a power failure

and therefore the name

power kinetics blackout buster tx600

the model we using here is a TX600 series, which would hold a power of about 600W.

more than enough to power your laptop for about one whole day

panel of UPS

so the front panel only have one button and 3 light, this machine can be turn on by pressing down the button once

and can be turn off by holding it for at least 5 seconds

the light in the middle(green light) means that it is running on AC power

the one on the left(red) indicates an error in current, possibly an overload of current.

the one on the right (orange), means that this thing is running on its battery power

or so called discharging

PS: it will beep very annoyingly every 4 seconds when irunning only on battery power

the back of the ups consist of one socket input( the one on the top). and 4 current output.

It can also serve as a surge protector for your phone and modem

some technical details

and last but not least, the rotary evaporator pump in action!!!!

wahahaha

thats all everyone

have a nice  and un-interruptible day

Advance Biochemistry videos

HI, everyone

hope you are enjoying your exam

i had found a few video which might be helpful for people like me taking advance biochemistry

So, enjoy~

See you next time everyone(after exam )

hehe

Legendary Rotary Evaporator

Hello, i know everyone is quite busy for the exam, 

therefore, 

i plan to update this place much more often so that all of you can actually rest your brain a bit by reading my post

....

OK, maybe not really

anyway, good luck for all of you, hope everyone score HD for everything~!!!

so, as promised, to day i will be explaining the highly sophisticated looking machine 

aka

Rotary Evaporator

so, a rotary evaporator is a device that used to remove solvent from a sample gently and efficiently by applying lower pressure. 

The decrease in pressure also decrease the boiling point of the solvent, which in turn conserve some fragile materials in the extract.

ok, lets start

turn on all this before operation~

and this

Rotary evaporator, an overview

so, it consist of (left to right) an air pump, a condenser, and a water bath.

so, this is the air pump that actually sucks air from the condenser

the tubes~~

condenser

and you will have to fills this tank with water before operation,  this pump was driven by Bernoulli's effect, and the water is used not only to cool down the pump, but also to retain the solvent from escaping into the environment.

now, you connect the tubing to the condenser....

poof, connected~!!!

magically

since it was called an rotary evaporator, this thing is used to control the rotation speed of the  thing shown below.

so the rotation prevent the solvent to become superheated

and also helps to create a thin film of solvent across a large surface

this thing was suppose to be connected to the condenser, but since someone is using,

i could only put it into the water bath.~~~~

so this is the collecting flask, which collects your solvent~~

now the water bath sink~it is suppose to be filled with water during operation

OK

 a valve on the condenser helps to regulate the pressure in the condenser~
caption

some clips to stabilize the collecting flask and heated flask

and the heating element of the water bath~

more information pleases refer to Wikipedia ~

thanks for watching everyone

and if you don't mind

share this post and let more people know whats this

is not really superior to only know this on your own 

waahhaahha

joking~

bye

PCR Machine-Eppendorf Master Cycler Gradient

Hiiiiiiiiiiiiiiiiiiiiiiiiiiiii Everyone~!!

today, as promise, i will be showing you guys the PCR machine

1st of all, PCR machine(Thermocyle Machine) is always been over rated. Don't be too disappointed once you know exactly how to use it

1st of all, an overview.

Eppendorf Mastercycler Grandient 

and this is to turn on the power, nothing special.

and again turn on the power boringly

now, put in your sample (usually in a 20uL or 50uL tubes), into the bee hive as shown.
 The bee hive is made of metal and can be really hot during operation

now the software, i will not be showing the programing as anyone  who touch this machine will know how to use it.
so, you just have to press enter when the highlight is on the start position.

ok, done...now you just have to wait for roughly 3 hours for the cycle to finish



usually people would run an agarose gel to check for the quality of the PCR,
i would let you know what is that next time

Pollution of water resources in Kuching, Sarawak

Hi, all

As you all know, i walk to school 

and i happen to pass through this "river" every morning

I was totally shocked the first time i saw a river in a blanket of rubbish

Although i don't smell anything rotten inside the river

It was never a good sight to see ~

the location of this river, i have no idea about the exact location as google maps was not updated

OK, now the river, i think is picture is self explanatory enough
this scene you seeing, happens every single time after a heavy rain

Water bottle, trash, polystyrene and anything you can find in a dumping site.

 terrible sight

and another terrible sight.....

Yap, the whole river is contaminated~~

The only thing i wonder is, why no one is taking action on this.

i saw beach cleaning, i saw people going bald for cancer children

i saw changes must be made during the election

i saw article on newspaper saying that how important are our water resources

and i saw people doing pollution studies at remote area

but as always,

Thanks for watching everyone

my next post will be on rotary evaporator ~~the as always looks so sophisticated machine you can see but never touch

have a nice day~and remember to drink your water everyday

  

Biotechnology Field trip2-Wild life center

Hi everyone, sorry for the long silent 

had been busy and also run out of article to write about

ok~

Few days ago, we are on another trip to the fisheries in Kuching

It is a governmental department which supply all the fries to all the industries

All the fish specialist in Kuching  can be found in that single place

It was located not far from town, and can be reach within half an hour by bus.

I would not say it is a easy place to find, but totally worth the effort

they actually have a few tanks that contains humongous amount of fishes

Ropes that secure the pond for the fishes

pipes for water supply and also recirculation of water 

Finally, some fishy~~~

And some biotech playing with fish

This was found around the open air pond which the fish live in, according to non-reliable sources, it was actually the egg of snails~
which could be possibly truth judging by the amount of snalls crawling along them

a wooden bridge, old but 

solid

and again, some biotech playing with fishy, it a game called Earth quake

Then, we move on to Public  toilet ~!!

haha, joking, it actually a sing in the botanical research center
you have to pay RM1 for the entrance, but was totally worth the prize 

Some pitcher plant on the roadside

A nostalgic pond, legend said that your watch will actually stop working if you  jump into this pool

and yes, this pond actually stop time~!!!!!

no idea whats the name, but it was cute and green

slow down~~~~

ok, move on

another pitcher plant, now on a tree

orang utan-orang utans

A mother and a child, sometime the child pee on their mother

another one~~eating

Happy orang utan viewers~~

Tallllllllllll treeee

yet another weird plant

not yet another normal plant

now a small normal plant

some happy biotech and  a cement orang utan.

I suppose every one were happy according to this photo

Sorry for the not so informative post, my next article about autoclave machine and PCR machine.

possible also UPS and some new micro-pipettes~~~

thanks for watching everyone

have a nice day