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Parfenov, et al.
           (inorganic  components of the bone matrix,          6.  Magnetic bioassembler is very easy to operate.
           drugs, enzymes,  hormones, etc.)  placed  in an        Russian cosmonauts have been trained on how
           inhomogeneous magnetic field with a high tension       to use bioassembler  on the earth, and then
           gradient. Thus,  preliminary  findings  showed  the    they performed planned experiments in space
           unique  capabilities  of  the  magnetic  fields  used   without any technical problems.
           in the magnetic  bioassembler  “Organ.Aut” to       7.  Magnetic  bioassembler  could  be  optimized
           induce faster recrystallization of synthetic calcium   either by increasing its complexity  (e.g.,
           phosphates compared to traditional  methods of         complete  automation)  or  simplification  (e.g.,
           inorganic synthesis, making it possible to obtain      reduction of bioassembler size and number of
           promising  materials  for bone  grafting  with  high   its chambers).
           efficiency. Another  area  of  research  may  be  the   8.  Magnetic bioassembler has batteries.  It is
           assembly  of 3D structures from  bacteria  in  a       an autonomous device that does not need an
           magnetic  field.  Such  conglomerates,  otherwise      external power supply.
           called  “bacterial  biofilms,”  are  characterized  by   9.  Trained  personnel are not required  for the
           the ability to create or simulate volumetric living    maintenance of magnetic bioassembler.
           conditions  under which  bacterial  cells  exhibit   10. Magnetic bioassembler is commercially
           different growth and synthetic activity compared       available,  and it could serve as affordable
           to cultivation on flat surfaces.                       instrumentation  for performing  magnetic
                                                                  levitational bioassembly in space.
           7  Features and functionalities of magnetic
           bioassembler                                        8 Magnetic levitational  bioassembly in
                                                               microgravity in space
           Undeniably,  our  original  magnetic  levitational
           bioassembler has some unique advantages, which      To perform the magnetic levitational bioassembly
           are outlined and emphasized in the following:       experiments under the condition of microgravity
           1.  Magnetic bioassembler has a relatively small    in space at  The Russian Orbital Segment, three
              size, and it is not very heavy; therefore, it is   main steps have to be followed: (i) Delivering
              compact, transportable, and space-saving.        bioassembler and tissue spheroids in the
           2.  Magnetic  bioassembler is safe. It has three    thermo-reversible  hydrogel to the space station;
              contours of defense for its chambers, and it has   (ii) performing the actual magnetic  levitational
              the necessary certification for use on the ISS.  bioassembly experiments  at the ISS; and
           3.  Magnetic  bioassembler has six chambers         (iii)  fixing  biofabricated  3D  tissue  constructs  in
              that  allow  multiple  experiments  to  be  run   space and delivering fixed specimen to the earth
              simultaneously;  this may help with the          for sequential histological analysis (Figure 4).
              generation of statistically sound experimental      The logistics of space experiments involving
              data.                                            living cells and tissue are hugely complex and
           4.  Magnetic  bioassembler has a video camera       challenging.  Getting  official  permission  to
              that assists experiment monitoring in real-time   perform operations on the ISS needs tremendous
              from long distance.                              efforts and an unbelievable amount of paperwork.
           5.  Magnetic  bioassembler has a robust and         The  certification  of  magnetic  bioassembler  is
              durable design.  This is evidenced  by the       also not an easy task. Finally, the researchers are
              sturdiness of the  chambers as at  least  one    also  running  the  risk of unable  to  perform  the
              from the six chambers survived the vigorous      experiments due to unexpected technical problems
              collisions  as they  fell  with part  of Russian   with a spaceship. Despite the apparent limitations
              spaceship from Space to the Earth. Now, the      and restrictions associated with conducting space
              specimen is preserved in The Russian Museum      research, we were still able to get exciting results.
              of Space Research.                               We developed original cuvette with three levels

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