Found inside – Page 108Another issue associated with substandard crime scene photography has to do with ... to insinuate that hazardous evidence cross-contamination has occurred. Found inside – Page 357That is the whole point , that clearly you're getting cross - contamination during ... you can't tell that microscopic cross - contamination has occurred . Found inside – Page 33Attempts have also been made to conduct studies where the treating ... groups receive the control protocol), cross-group contamination has occurred, ... Found insideAny amplification detectedinthese assays indicates that cross-contamination has occurred andthe possibility of false-positive results. Found inside – Page 106The binding affinity of endosulfan for ER was approxi and the laboratories ... possible to reproduce the estro that no cross - contamination has occurred . Found inside – Page 233... “spontaneous transformation” in tissues where cell lines are difficult to establish can be a sign that cross-contamination has occurred [21]. Found inside – Page 141A housekeeping gene that is copurified with the target nucleic acid is often ... are suspect due to the possibility that cross-contamination has occurred. Found inside – Page 122This procedure insures that no crosscontamination will occur between samples (see Figure 40). Figure 40. Failure to make a proper glove change in this ... Found insideAs for fruits that have been cut and packaged in the store, ... Study the labels carefully to make sure no cross-contamination has occurred. Found inside – Page 79For example, MLVA was used along with PFGE in an outbreak investigation ... and have been used to determine if laboratory cross-contamination has occurred, ... Found inside – Page 171Sources of cross-contamination include the transport vehicles, lairage pens and ... this risk once contamination has occurred (Swanenburg et al., 2001). Found inside – Page 213Presence of bands (or high fluorescence signal, for real time PCRs) in these samples could indicate that crosscontamination has occurred. Found inside – Page 271For this reason, it is vital that the plant conduct an allergen risk assessment to determine where in the process allergen cross-contamination may occur. Found insideplanning – for example, checking that randomization has occurred, that the treatment ... This procedure can also be a way to check for cross contamination. Found inside – Page 185... should internal contamination have occurred or the patient found to have ... and decontamination may be required if cross contamination has occurred . Found inside – Page 264Prevention. of. Cross-Contamination. Once contamination has occurred in a PCR laboratory, it can be very difficult, if not impossible, to eliminate. Found inside – Page 473that depends on the size of the population served . ... technological problems and to provide a means of determining whether crosscontamination has occurred ... Found inside – Page 123... leading to cross - infection 6 Careful cleaning of the environment, especially if contamination has occurred, is generally sufficient. Found insideIt is designed to detect whether cross-contamination has occurred during ... trip blank is contaminated, the contamination could only have occurred by ... Found inside – Page 18Additionally, field and media blank samples should be sent to the laboratory to determine if cross- contamination has occurred during sample collection. Found inside – Page 206Cross-contamination of antibodies by repeated use of one affinity column A great deal of care ... so that if contamination has occurred, it can be detected. Found inside – Page 497The exploration of naturally occurring antimicrobials for food ... In addition, once cross-contamination has occurred, rewashing the newly infected lettuce ... Found inside – Page 108... in case of multicollector instruments) given that the standard and the sample behave identically and no cross-contamination has occurred. Found inside... correctly”) Verifying that no cross-contamination has occurred between raw and cooked products (see the earlier section “Combating cross-contamination”) ... Found inside – Page 93You can usually see crosscontamination has occurred at the time of analysis because the alien cells will be at a right angle to the original : the machine ... Found inside – Page 104... underlying contamination has occurred. Presently, step (2) is performed using analytical techniques involving layer stripping, cross-sectioning, etc. Found inside – Page 4-23There seems to be no roal way to determine it contamination has occurred or is occurring . More scudiu need be done in thi , area . Found insideCross-contamination of cell lines was discovered in the 1960s [Gartler ... However, cultures may also look different if cross-contamination has occurred. Found inside – Page 302.2.3 How Did Cross-Contamination Transfer Occur? In Scott, the transfer mechanism was relatively easy to adduce. This was not the case in Jama. Found inside – Page 42a foodborne hazard related to poultry meat, by cross-contamination from contaminated ... in which contamination has occurred before or during processing, ... Found insideLikewise, it is possible that cross-contamination has occurred when buying from bulk bins. Dextrins can be made from wheat or other starches. Found insideTo ensure no cross-contamination has occurred while sampling, field blanks should be collected at the same time as collecting the specimen. Found inside – Page 16Where there is suspicion that contamination has occurred , the crop shall be ... An agreement signed by the grower to keep cross - contamination to a ... Found insideIt may also indicate that cross-contamination or microbial contamination has occurred (see Chapters 16, 17). However, changes in morphology can also be ... Found inside – Page 56It can clearly be seen from the images that no cross - contamination has occurred between the different channel systems . SU - 8 is auto - fluorescent ... Found inside – Page 933As noted earlier, improvements in analytical techniques have seen the advent ... is essential to ensure no cross-contamination has occurred via contact with ... Found inside – Page 68Cross-contamination occurs when a food that is otherwise gluten-free comes into contact with gluten, whether it's one gluten particle or a large amount. Found inside... integrity that can occur during collection , transport , and analysis . ... exceeded or when field or laboratory cross - contamination has occurred . Found inside – Page 74On receipt the organisation is confirming that the items are in good order. ... blood seepage ▫ Ensure no cross-contamination has occurred and all meats ... Found inside – Page 24-27Exhumation ( a ) Controversial data exist , further studies are being made to determine if migration or cross contamination has occurred . Found inside – Page 191Maximum growth occurs at -350 mV ( Smoot and Pierson , 1979 ) . ... which should inactivate toxin if no cross - contamination has occurred before cooking . Found inside – Page 114The error was attributed to cross-contamination of sample 59 with DNA from ... The major danger is that cross-contamination will occur in a manner that ... Found inside – Page 21The causes of error include contaminated equipment, poor labelling, ... but nevertheless evidence exists that crosscontamination has occurred in the past. Found inside – Page 164Indeed, it has been experimentally demonstrated that cross contamination between liquid nitrogen and embryos may occur if embryos come into contact with ... Found inside... they grow rapidly under ideal conditions and, as long as no cross contamination has occurred, will outcompete others that may attempt to take hold. Found inside – Page 15Different population groups will often have different levels of exposure and it ... Once contamination has occurred it is usually expensive and technically ... Found inside – Page 20... with a frequency that depends on the size of the population served . ... to provide a means of determining whether cross - contamination has occurred ... Found inside – Page 553... is prepared in the food establishment may alert inspectors to opportunities for cross - contamination . When contamination has occurred between raw and ... Found inside – Page 29Four onsite wells have been taken out of service , because of either trichloroethylene contamination or the threat of cross - contamination between aquifers ... Found inside – Page 69ing whether or not laboratory cross-contamination has occurred. Careless specimen processing, contaminated reagents (de C Ramos et al.