English
Ffactorau cellyn cael eu defnyddio'n bennaf ar gyfer diwylliant celloedd ymlynol ar raddfa fawr, megis brechlyn hepatitis A, brechlyn hepatitis B, brechlyn brech yr ieir, ac ati Wrth feithrin celloedd, weithiau rydym yn canfod bod celloedd yn anodd cadw at y wal. Beth yw'r rheswm?
Yn gyntaf oll, mae yna lawer o resymau dros y ffenomen o ddiffyg ymlyniad pan fydd y celloedd yn cael eu meithrin yn y ffatri gell, y gellir eu dadansoddi a'u datrys o'r agweddau canlynol:
Treuliad trypsin gormodol: Mae Trypsin yn helpu celloedd i dreulio. Os yw'r treuliad yn ormodol, bydd gweithgaredd celloedd yn cael ei niweidio'n fawr, a bydd celloedd yn arnofio. Gellir rheoli hyn trwy fyrhau'r amser treuliad neu ostwng y crynodiad trypsin.
Hwyniad Mycoplasma: mae celloedd yn sensitif i'r amgylchedd. Os nad yw'r gweithredwr yn talu sylw i hylendid, neu os yw'r amgylchedd gwaith a'r offer arbrofol wedi'u halogi, bydd yn arwain at groeshalogi rhwng celloedd a ffenomen diffyg cadw. Os canfyddir halogiad mycoplasma, taflwch y diwylliant yn ddi-oed. Gall celloedd wedi'u hadu'n ffres gael eu dadmer a'u hail-ddiwyllio.
Yn ogystal, os yw'r crynodiad cychwynnol o gelloedd wedi'u brechu yn rhy isel neu'n rhy uchel, bydd hefyd yn effeithio ar briodweddau ymlyniad celloedd, a gall addasu'r crynodiad priodol o gelloedd brechu. datrys y broblem hon. Cyn defnyddio'r ffatri gell, dylai gweithredwyr wneud gwaith da o ddiheintio eu hunain a'r amgylchedd er mwyn osgoi halogiad amrywiol sy'n effeithio ar y broses feithrin celloedd.
In addition, if the initial concentration of inoculated cells is too low or too high, it will also affect the adherence properties of cells, and adjusting the appropriate concentration of inoculated cells can solve this problem. Before using the cell factory, operators should do a good job of disinfection of themselves and the environment to avoid various contamination affecting the cell culture process.
The FAI climbed 5.9 percent year-on-year in the first 11 months of 2018, quickening from the 5.7-percent growth in Jan-Oct, the National Bureau of Statistics (NBS) said Friday in an online statement.
The key indicator of investment, dubbed a major growth driver, hit the bottom in August and has since started to rebound steadily.
In the face of emerging economic challenges home and abroad, China has stepped up efforts to stabilize investment, in particular rolling out measures to motivate private investors and channel funds into infrastructure.
Friday's data showed private investment, accounting for more than 60 percent of the total FAI, expanded by a brisk 8.7 percent.
NBS spokesperson Mao Shengyong said funds into weak economic links registered rapid increases as investment in environmental protection and agriculture jumped 42 percent and 12.5 percent respectively, much faster than the average.
In breakdown, investment in high-tech and equipment manufacturing remained vigorous with 16.1-percent and 11.6-percent increases respectively in the first 11 months. Infrastructure investment gained 3.7 percent, staying flat. Investment in property development rose 9.7 percent, also unchanged.