This enlarged model flower allows students to study the floral and reproductive structure of a dicot. Petals, sepals and stamens are detachable. On
This enlarged model allows students to study the floral and reproductive structure of a dicot. Petals, sepals and stamens are detachable. One anther has been sectioned to reveal the pollen within.
The stigma is shown with pollen grains attached, one of which has generated a pollen tube wh...
A kit comprising four lung bags, with holders (rubber bands) and mouthpieces designed for investigations into lung capacity. The bag is made of du
A kit comprising four lung bags, with holders and mouthpieces designed for investigations into lung capacity. The bag is made of durable plastic and is silk screened with graduations up to six litres. Useful for comparing lung volume with height, age etc. Instructions included.
Fungal Alpha Amylase - 50g
Please note that none of our enzymes are to be considered as being of Food Grade Standard and are not fit
Enzyme: Storage, Shelf Life, Concentration
It’s good practice to store enzymes in a refrigerator (5°C approx). This should give a shelf life of 12 months without significant loss of activity.
Enzymes supplied as liquid are supplied as a ready-to-use solution and should n...
Invertase - 50ml
Please note that none of our enzymes are to be considered as being of Food Grade Standard and are not fit for human
50cm3
Lipase - 25g
Please note that none of our enzymes are to be considered as being of Food Grade Standard and are not fit for human cons
25g
Pepsin - 50g
50g
Rennet (Rennilase) - 50ml
Please note that none of our enzymes are to be considered as being of Food Grade Standard and are not fit f
Rennet (Rennilase) 50mL
Working Concentration - 0.05 - 0.1%
pH range - 5.5 - 6.5
Temperature range - 30 - 50°C
Substrate - Fresh milk
Product - Caseinogen forms casein
Source - Fungal, Rhizmucor miehei
Trypsin - 25g
Please note that none of our enzymes are to be considered as being of Food Grade Standard and are not fit for human con
Trypsin 25g
Working Concentration - 0.1 - 1%
pH range - 5 - 10.5
Temperature range - 20 - 65°C
Substrate - Protein solutions
Product - Peptides and AA's
Source - Porcine pancreas
It’s good pr...
Glucose Testing Strips which give a qualitative determination of glucose content in urine. The sticks will give a colour change to indicate t
A qualitative determination of glucose in urine.
These test strips have been specifically designed for urine testing. In practice they have been adopted for educational use because of their simplicity and convenience.
Just dip a strip into a test solution and wait a short whil...
Glucose Testing Strips which give a semi-quantitative determination of the glucose content in urine. The sticks will give a colour change to
A semi quantitative test for glucose in urine.
Protein (mainly albumen) in urine testing strips.
These test strips have been specifically designed for urine testing. In practice they have
Just dip a strip into a test solution and wait a short whi...
An excellent product to visually demonstrate the consequences of smoking. Pump the bulb in the neck to ignite the cigarette in her mouth and watch the tars collect in the test tube where her "lungs" would be. The test tube can be passed around the less
A book of the human body in the form of a cube. Tactile, rip-resistant and durable with wipe clean surfaces. Guided by the arrows, start and stop
A book of the human body in the form of a cube. Tactile, rip-resistant and durable. Guided by the arrows, start and stop dots the cube can be opened and folded in a series of ways to show each “page”. This cube contains full colour detailed and labelled pictures of all of the body’s major s...
This economically priced, double life sized model of a heart is a highly detailed, good quality classroom demonstration tool. It is dissectible in
2 times enlarged. Dissectible into 2 parts showing clearly the blood vessels. Structure of auricles and ventricle on diaphragm. Numbered with English key cards.
This highly detailed, 3 times life size representation of the human eye is a 6-part model which shows the structure of parts including the lens, co
Peak Flow Meters allow patients to monitor their asthma and Peak Expiratory Flow (PEF); a measurement of how fast a patient can blow out. When a pa
Peak flow meters allow people to to monitor their asthma; Peak Expiratory Flow (PEF) is a measurement of how fast someone can blow out. When you are well your PEF is higher, when the airways are narrow (as in asthma) PEF is lower.
A skin fold calliper is a device which measures the thickness of a fold of skin with its underlying layer of fat. By doing this at key locations o
A skin fold calliper is a device which measures the thickness of a fold of skin with its underlying layer of fat. By doing this at key locations it is possible to estimate the total percentage body fat of a person. Skin fold callipers have springs which exert a set pressure on the skin fold, gene...