{"id":51,"date":"2026-08-03T12:50:32","date_gmt":"2026-08-03T12:50:32","guid":{"rendered":"https:\/\/renewhub.growthrowstory.com\/?p=51"},"modified":"2026-08-03T12:50:32","modified_gmt":"2026-08-03T12:50:32","slug":"shewanella-va-geobacter-vi-khuan-san-xuat-dien-dang-sau-cong-nghe-plant-mfc-cua-pisphere","status":"publish","type":"post","link":"https:\/\/renewhub.growthrowstory.com\/?p=51","title":{"rendered":"Shewanella va Geobacter: Vi khuan san xuat dien dang sau cong nghe Plant-MFC cua Pisphere"},"content":{"rendered":"

Ch\u00e0o m\u1eebng c\u00e1c b\u1ea1n \u0111\u1ebfn v\u1edbi m\u1ed9t h\u00e0nh tr\u00ecnh kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi vi sinh v\u1eadt \u0111\u1ea7y k\u1ef3 di\u1ec7u d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t! H\u00f4m nay, ch\u00fang ta s\u1ebd c\u00f9ng nhau t\u00ecm hi\u1ec3u v\u1ec1 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u1ed9t ph\u00e1 \u0111ang l\u00e0m thay \u0111\u1ed5i c\u00e1ch ch\u00fang ta nh\u00ecn nh\u1eadn v\u1ec1 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o: Plant-Microbial Fuel Cell (Plant-MFC) c\u1ee7a Pisphere. V\u00e0 nh\u00e2n v\u1eadt ch\u00ednh trong c\u00e2u chuy\u1ec7n n\u00e0y kh\u00f4ng ai kh\u00e1c ch\u00ednh l\u00e0 nh\u1eefng “c\u00f4ng nh\u00e2n” t\u00ed hon nh\u01b0ng v\u00f4 c\u00f9ng m\u1ea1nh m\u1ebd: vi khu\u1ea9n Shewanella v\u00e0 Geobacter.<\/p>\n

B\u1ea1n c\u00f3 bao gi\u1edd t\u1ef1 h\u1ecfi l\u00e0m th\u1ebf n\u00e0o m\u00e0 m\u1ed9t c\u00e1i c\u00e2y nh\u1ecf b\u00e9 l\u1ea1i c\u00f3 th\u1ec3 th\u1eafp s\u00e1ng m\u1ed9t b\u00f3ng \u0111\u00e8n hay cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c c\u1ea3m bi\u1ebfn IoT? B\u00ed m\u1eadt n\u1eb1m \u1edf s\u1ef1 h\u1ee3p t\u00e1c tuy\u1ec7t v\u1eddi gi\u1eefa r\u1ec5 c\u00e2y v\u00e0 c\u00e1c vi sinh v\u1eadt trong \u0111\u1ea5t. Khi c\u00e2y quang h\u1ee3p, ch\u00fang t\u1ea1o ra c\u00e1c ch\u1ea5t h\u1eefu c\u01a1. M\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 (kho\u1ea3ng 40%) c\u1ee7a c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 n\u00e0y \u0111\u01b0\u1ee3c ti\u1ebft ra qua r\u1ec5 v\u00e0o \u0111\u1ea5t, m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 rhizodeposition. \u0110\u00e2y ch\u00ednh l\u00e0 ngu\u1ed3n th\u1ee9c \u0103n d\u1ed3i d\u00e0o cho c\u00e1c vi sinh v\u1eadt s\u1ed1ng quanh r\u1ec5 c\u00e2y.<\/p>\n

\"Lab<\/p>\n

Trong s\u1ed1 h\u00e0ng t\u1ef7 vi sinh v\u1eadt trong \u0111\u1ea5t, Shewanella oneidensis v\u00e0 Geobacter metallireducens n\u1ed5i l\u00ean nh\u01b0 nh\u1eefng ng\u00f4i sao s\u00e1ng trong l\u0129nh v\u1ef1c \u0111i\u1ec7n sinh h\u1ecdc. Ch\u00fang c\u00f3 m\u1ed9t kh\u1ea3 n\u0103ng \u0111\u1eb7c bi\u1ec7t: ph\u00e2n gi\u1ea3i c\u00e1c ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 gi\u1ea3i ph\u00f3ng \u0111i\u1ec7n t\u1eed (electron) trong qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p k\u1ef5 kh\u00ed. Thay v\u00ec s\u1eed d\u1ee5ng oxy l\u00e0m ch\u1ea5t nh\u1eadn \u0111i\u1ec7n t\u1eed cu\u1ed1i c\u00f9ng nh\u01b0 con ng\u01b0\u1eddi, ch\u00fang c\u00f3 th\u1ec3 “th\u1edf” b\u1eb1ng c\u00e1c kho\u00e1ng ch\u1ea5t ho\u1eb7c, trong tr\u01b0\u1eddng h\u1ee3p c\u1ee7a Plant-MFC, b\u1eb1ng c\u00e1c \u0111i\u1ec7n c\u1ef1c nh\u00e2n t\u1ea1o.<\/p>\n

Pisphere, m\u1ed9t startup c\u00f4ng ngh\u1ec7 xanh ti\u00ean phong \u0111\u1ebfn t\u1eeb H\u00e0n Qu\u1ed1c, \u0111\u00e3 t\u1eadn d\u1ee5ng t\u1ed1i \u0111a kh\u1ea3 n\u0103ng n\u00e0y. H\u1ecd \u0111\u00e3 thi\u1ebft k\u1ebf m\u1ed9t h\u1ec7 th\u1ed1ng Plant-MFC th\u00f4ng minh, trong \u0111\u00f3 c\u1ef1c d\u01b0\u01a1ng (anode) \u0111\u01b0\u1ee3c ch\u00f4n d\u01b0\u1edbi \u0111\u1ea5t g\u1ea7n r\u1ec5 c\u00e2y \u0111\u1ec3 thu th\u1eadp c\u00e1c \u0111i\u1ec7n t\u1eed do vi khu\u1ea9n gi\u1ea3i ph\u00f3ng, v\u00e0 c\u1ef1c \u00e2m (cathode) \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u1eb7t \u0111\u1ea5t ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed. S\u1ef1 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n th\u1ebf gi\u1eefa hai c\u1ef1c t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c, bi\u1ebfn m\u1ed7i ch\u1eadu c\u00e2y th\u00e0nh m\u1ed9t “nh\u00e0 m\u00e1y \u0111i\u1ec7n” sinh h\u1ecdc thu nh\u1ecf.<\/p>\n

\"Plant-MFC<\/p>\n

\u0110i\u1ec1u l\u00e0m n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t c\u1ee7a Pisphere ch\u00ednh l\u00e0 vi\u1ec7c h\u1ecd \u0111\u00e3 t\u1ed1i \u01b0u h\u00f3a m\u00f4i tr\u01b0\u1eddng s\u1ed1ng cho Shewanella v\u00e0 Geobacter. B\u1eb1ng c\u00e1ch nu\u00f4i c\u1ea5y \u0111\u1ed3ng th\u1eddi (co-culture) hai lo\u1ea1i vi khu\u1ea9n n\u00e0y, Pisphere \u0111\u00e3 \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t \u1ea5n t\u01b0\u1ee3ng l\u00ean t\u1edbi 2.000-3.000 mW\/m2. S\u1ef1 k\u1ebft h\u1ee3p n\u00e0y t\u1ea1o ra m\u1ed9t hi\u1ec7u \u1ee9ng hi\u1ec7p \u0111\u1ed3ng: Shewanella xu\u1ea5t s\u1eafc trong vi\u1ec7c ph\u00e2n gi\u1ea3i c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 ph\u1ee9c t\u1ea1p, trong khi Geobacter l\u1ea1i l\u00e0 nh\u1eefng “v\u1eadn \u0111\u1ed9ng vi\u00ean” truy\u1ec1n \u0111i\u1ec7n t\u1eed si\u00eau vi\u1ec7t nh\u1edd c\u00e1c c\u1ea5u tr\u00fac d\u00e2y nano (nanowires) \u0111\u1eb7c bi\u1ec7t c\u1ee7a ch\u00fang.<\/p>\n

K\u1ebft qu\u1ea3 l\u00e0 m\u1ed9t b\u01b0\u1edbc nh\u1ea3y v\u1ecdt v\u1ec1 hi\u1ec7u su\u1ea5t. T\u1eeb m\u1ee9c \u0111i\u1ec7n \u00e1p ban \u0111\u1ea7u ch\u1ec9 100mV, Pisphere \u0111\u00e3 n\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng l\u00ean 714mV cho m\u1ed7i t\u1ebf b\u00e0o \u0111\u01a1n l\u1ebb – m\u1ed9t s\u1ef1 c\u1ea3i thi\u1ec7n \u0111\u00e1ng kinh ng\u1ea1c l\u00ean t\u1edbi 700%. Ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng n\u00e0y \u0111\u1ee7 m\u1ea1nh \u0111\u1ec3 v\u1eadn h\u00e0nh c\u00e1c bo m\u1ea1ch ESP32, module giao ti\u1ebfp WiFi v\u00e0 c\u00e1c c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m theo th\u1eddi gian th\u1ef1c.<\/p>\n

\"Plant-MFC<\/p>\n

H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng nh\u1eefng \u1ee9ng d\u1ee5ng tuy\u1ec7t v\u1eddi c\u1ee7a c\u00f4ng ngh\u1ec7 n\u00e0y. Trong n\u00f4ng nghi\u1ec7p th\u00f4ng minh, c\u00e1c c\u1ea3m bi\u1ebfn \u0111o \u0111\u1ed9 \u1ea9m \u0111\u1ea5t, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n (EC) c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c 24\/7 m\u00e0 kh\u00f4ng c\u1ea7n thay pin hay ph\u1ee5 thu\u1ed9c v\u00e0o \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi. Trong c\u00e1c khu r\u1eebng r\u1eadm hay v\u00f9ng \u0111\u1ea5t ng\u1eadp n\u01b0\u1edbc, n\u01a1i vi\u1ec7c k\u00e9o \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n l\u00e0 b\u1ea5t kh\u1ea3 thi v\u00e0 pin n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi b\u1ecb che khu\u1ea5t, Plant-MFC tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng ho\u00e0n h\u1ea3o.<\/p>\n

H\u01a1n th\u1ebf n\u1eefa, c\u00f4ng ngh\u1ec7 n\u00e0y ho\u00e0n to\u00e0n th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng. Kh\u00f4ng c\u00f3 pin \u0111\u1ed9c h\u1ea1i c\u1ea7n x\u1eed l\u00fd, kh\u00f4ng c\u00f3 r\u00e1c th\u1ea3i \u0111i\u1ec7n t\u1eed. N\u00f3 ho\u1ea1t \u0111\u1ed9ng l\u1eb7ng l\u1ebd, b\u1ec1n b\u1ec9 c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng, mang l\u1ea1i tu\u1ed5i th\u1ecd l\u00ean t\u1edbi h\u01a1n 15 n\u0103m m\u00e0 kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean. \u0110\u00e2y th\u1ef1c s\u1ef1 l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh kinh t\u1ebf tu\u1ea7n ho\u00e0n, n\u01a1i thi\u00ean nhi\u00ean t\u1ef1 nu\u00f4i d\u01b0\u1ee1ng v\u00e0 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho ch\u00ednh n\u00f3.<\/p>\n

\"Bioelectricity<\/p>\n

S\u1ea3n ph\u1ea9m GreenCell Tower (Bio-Grid) c\u1ee7a Pisphere l\u00e0 minh ch\u1ee9ng r\u00f5 n\u00e9t nh\u1ea5t cho ti\u1ec1m n\u0103ng th\u01b0\u01a1ng m\u1ea1i h\u00f3a c\u1ee7a Plant-MFC. V\u1edbi thi\u1ebft k\u1ebf d\u1ea1ng module c\u00f3 th\u1ec3 x\u1ebfp ch\u1ed3ng, xoay 360 \u0111\u1ed9 v\u00e0 \u0111\u01b0\u1ee3c in 3D t\u1eeb c\u00e1c v\u1eadt li\u1ec7u th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng nh\u01b0 PLA\/PETG, GreenCell Tower kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ph\u00e1t \u0111i\u1ec7n m\u00e0 c\u00f2n l\u00e0 m\u1ed9t t\u00e1c ph\u1ea9m ngh\u1ec7 thu\u1eadt xanh. C\u1ea5u tr\u00fac l\u00f5i l\u1ecdc (cartridge) c\u00f3 th\u1ec3 thay th\u1ebf v\u1edbi l\u1edbp ph\u1ee7 than ho\u1ea1t t\u00ednh v\u00e0 ch\u1ea5t x\u00fac t\u00e1c gi\u00fap duy tr\u00ec hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong th\u1eddi gian d\u00e0i.<\/p>\n

S\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a Pisphere kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf ph\u00f2ng th\u00ed nghi\u1ec7m. H\u1ecd \u0111ang t\u00edch c\u1ef1c m\u1edf r\u1ed9ng ra th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u, \u0111\u1eb7c bi\u1ec7t l\u00e0 khu v\u1ef1c \u0110\u00f4ng Nam \u00c1 v\u1edbi c\u00e1c d\u1ef1 \u00e1n h\u1ee3p t\u00e1c t\u1ea1i Indonesia. T\u1ea7m nh\u00ecn c\u1ee7a h\u1ecd l\u00e0 mang \u00e1nh s\u00e1ng v\u00e0 k\u1ebft n\u1ed1i \u0111\u1ebfn nh\u1eefng v\u00f9ng s\u00e2u v\u00f9ng xa, nh\u1eefng n\u01a1i ch\u01b0a c\u00f3 l\u01b0\u1edbi \u0111i\u1ec7n qu\u1ed1c gia, th\u00f4ng qua c\u00e1c d\u1ef1 \u00e1n ODA v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p n\u0103ng l\u01b0\u1ee3ng ph\u00e2n t\u00e1n.<\/p>\n

Vi khu\u1ea9n Shewanella v\u00e0 Geobacter, nh\u1eefng sinh v\u1eadt nh\u1ecf b\u00e9 t\u01b0\u1edfng ch\u1eebng v\u00f4 h\u00ecnh, \u0111ang l\u1eb7ng l\u1ebd vi\u1ebft n\u00ean m\u1ed9t ch\u01b0\u01a1ng m\u1edbi trong l\u1ecbch s\u1eed n\u0103ng l\u01b0\u1ee3ng nh\u00e2n lo\u1ea1i. V\u00e0 v\u1edbi s\u1ef1 d\u1eabn d\u1eaft c\u1ee7a Pisphere, t\u01b0\u01a1ng lai c\u1ee7a n\u0103ng l\u01b0\u1ee3ng xanh t\u1eeb c\u00e2y tr\u1ed3ng \u0111ang tr\u1edf n\u00ean s\u00e1ng s\u1ee7a h\u01a1n bao gi\u1edd h\u1ebft. H\u00e3y c\u00f9ng ch\u1edd \u0111\u00f3n nh\u1eefng b\u01b0\u1edbc ti\u1ebfn ti\u1ebfp theo c\u1ee7a c\u00f4ng ngh\u1ec7 Plant-MFC v\u00e0 nh\u1eefng \u0111i\u1ec1u k\u1ef3 di\u1ec7u m\u00e0 thi\u00ean nhi\u00ean mang l\u1ea1i!<\/p>","protected":false},"excerpt":{"rendered":"

Ch\u00e0o m\u1eebng c\u00e1c b\u1ea1n \u0111\u1ebfn v\u1edbi m\u1ed9t h\u00e0nh tr\u00ecnh kh\u00e1m ph\u00e1 th\u1ebf gi\u1edbi vi sinh v\u1eadt \u0111\u1ea7y k\u1ef3 di\u1ec7u d\u01b0\u1edbi l\u00f2ng \u0111\u1ea5t! H\u00f4m nay, ch\u00fang ta s\u1ebd c\u00f9ng nhau t\u00ecm hi\u1ec3u v\u1ec1 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u1ed9t ph\u00e1 \u0111ang l\u00e0m thay \u0111\u1ed5i c\u00e1ch ch\u00fang ta nh\u00ecn nh\u1eadn v\u1ec1 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o: Plant-Microbial Fuel Cell (Plant-MFC) […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-51","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/renewhub.growthrowstory.com\/index.php?rest_route=\/wp\/v2\/posts\/51","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/renewhub.growthrowstory.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/renewhub.growthrowstory.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/renewhub.growthrowstory.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/renewhub.growthrowstory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=51"}],"version-history":[{"count":0,"href":"https:\/\/renewhub.growthrowstory.com\/index.php?rest_route=\/wp\/v2\/posts\/51\/revisions"}],"wp:attachment":[{"href":"https:\/\/renewhub.growthrowstory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=51"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/renewhub.growthrowstory.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=51"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/renewhub.growthrowstory.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=51"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}