Female chemist in lab
Lab assistant holding molecular model
Lab assistant holding test tube
Lab assistant pouring liquid in lab
Chemical research
Lab assistant using pipette
Female student in lab
Lab assistant using microscope
Lab assistant using a laptop
Lab assistant using mini centrifuge
Lab assistant drawing graph
Chemist
Lab assistant holding samples
Scientist working in lab
Lab assistant holding multi pipettes
Lab assistant using multi pipettes
Multi channel pipette
Lab assistant holding micro tubes
Lab assistant using equipment
Pipetting into micro tube
Lab assistant holding chemical flask
Biological research
Scientist holding pill in tweezers
Chemical flasks in laboratory
Chemical laboratory technician working in laboratory
Lab assistant wearing glasses
Person holding microtube with microscope
Person holding microtube
Lab assistant using multi pipette
Scientist using pipette
Lab technician experimenting in lab
Lab assistant holding circuit board
Chemist adjusting burette
Chemistry lab
Male chemist working in lab
Lab assistants working in lab
Lab assistant wearing safety goggles
Scientists
Stephanie Kwolek, US chemist
Lab assistant working on circuit board
Student holding microscope slide in lab
Lab assistant holding micro tube
Lab assistant using electronic pipette
Scientist pouring liquid into test tube
Scientist using multi pipette
Scientist examining plant in a petri dish
Scientist holding test tubes
Scientist using microscope
Lab assistant looking at flask
Scientist working in the chemical laboratory
Scientist working in lab pipetting
Chemist working in laboratory
Chemist working with microbalance
Chemist working with samples
The male chemist working in lab. Male chemist working in lab
Biological specimen
Chemist working with vacuum pump
Chemical laboratory, drill in liquid
Lab assistant holding two chemical flasks
Scientist using laptop in the laboratory
Student using microscope in lab
Harvey Wiley, US food chemist
Scientist examining plants in a petri dish
Lab assistant using tap
Lab assistant using a circuit board
Chemist with nitrogen in a laboratory
Chemistry research
Scientists working in lab
Scientist in lab pipetting
Chemist working in industrial laboratory, checking test tube
Electroplating, 19th century
Scientist using microscope in lab
Chemist working in chemical laboratory
Scientist in lab examining liquid
Female scientist working in lab
Young working with liquid solution in glassware
Scientist using laboratory equipment
Close-up of scientist in lab working with liquid
Two scientists working together in lab
Two scientists working together in lab pipetting
Scientist in lab working with liquid
Scientist in lab holding Erlenmeyer flask
Scientist in lab working with liquids
Portrait of smiling female scientist in lab
Female electronics student holding hard disc drive
chemical laboratory technicians working in laboratory
Scientist examining microscope slide
Researcher in chemistry lab