proef stockfoto's en vectoren

Businessman pressing smiley face emoticon on virtual touch screen. Customer service evaluation concept.

Researchers scientist working analysis with blue liquid test tube in the laboratory, chemistry science or medical biology experiment technology, pharmacy development solution

Education and science concept banner. Chemistry lab and science equipment. Pharmacy and chemistry theme. Test glass flask with solution in research laboratory.

Chemistry laboratory glassware, science laboratory research and development concept, flask, beaker, and test tubes with blue liquid water sample test, scientific test tubes equipment

Medical healthcare technologist holding COVID-19 swab collection kit, wearing white PPE protective suit mask gloves, test tube for taking OP NP patient specimen sample,PCR DNA testing protocol process

A doctor in a protective suit taking a nasal swab from a person to test for possible coronavirus infection

Test customer Survey form. Stylus pen put mark on digital document checklist at tablet screen. Mobile phone with a survey sheet on a blue background Isometric landing page template. Vector

Laboratory glassware with a dropper dripping liquid into a test tube. scientific laboratory test tubes, laboratory equipment

microscope with lab glassware, science laboratory research and development concept

medical professional, doctor, or nurse doing Covid-19 or Coronavirus test or DNA test to a young man with nasal swab probe, cartoon character flat vector illustration

Healthcare worker with protective equipment performs coronavirus swab on Caucasian girl.Nose swab for Covid-19.

Test tube row. Concept of medical or science laboratory, liquid drop droplet with dropper in blue red tone background, close up, macro photography picture.

Laboratory glassware with a dropper dripping liquid into a test tube. scientific laboratory test tubes, laboratory equipment

Vector layered paper cut style science learning composition. Science education lab, innovation light bulb, dna research, scientific experiment concept.

Doctor laboratory assistant in protective suit takes swab from nose of sick patient at home. Laboratory tests for coronavirus concept.

Scientific Experiment.Herbs,flower and orange in test tubes

Close up of unrecognizable female scientist working with test tubes and plant samples while doing experiments in biotechnology lab, copy space

Group scientists in medical or chemical laboratory flat vector illustration. People in protective gloves, masks, lab coats with flasks doing research tests. Drug development, science experiment

Medical worker holding Coronavirus COVID-19 NP OP swab sample test kit,nasal collection equipment submitting form,reverse transcription RT-PCR DNA molecular nucleic acid diagnostic procedure

Businesswoman pressing smiley on keyboard laptop .Customer service evaluation concept.