<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://files.passeidireto.com/70a02bb5-9bd8-4531-b0b3-cab8dd1acfe8/bg1.png"><div class="c x1 y1 w2 h2"><div class="t m0 x2 h3 y2 ff1 fs0 fc0 sc0 lsd ws0">@JESSICALECRIM</div></div><div class="c x3 y3 w3 h4"><div class="t m0 x4 h5 y4 ff2 fs1 fc1 sc0 lsd ws4">Água, pH e si<span class="blank _0"></span>stem<span class="blank _1"></span>a Tam<span class="blank _1"></span>pão<span class="ff3 fs2"> </span></div><div class="t m0 x3 h6 y5 ff1 fs2 fc1 sc0 lsd ws4">1.<span class="blank _1"></span> Água e ligações de hidr<span class="blank _1"></span>ogênio </div><div class="t m0 x3 h7 y6 ff3 fs2 fc1 sc0 lsd ws4">A água <span class="blank _2"> </span>está <span class="blank _2"> </span>pr<span class="blank _1"></span>esente <span class="blank _2"> </span>em <span class="blank _2"> </span>60% <span class="blank _2"> </span>da <span class="blank _2"> </span>composição <span class="blank _2"> </span>de </div><div class="t m0 x3 h7 y7 ff3 fs2 fc1 sc0 lsd ws4">nosso <span class="blank _3"> </span>corpo.<span class="blank _1"></span> <span class="blank _3"> </span>Nela,<span class="blank _1"></span> <span class="blank _3"> </span>encontramos <span class="blank _3"> </span>uma <span class="blank _3"> </span>ligação <span class="blank _3"> </span>de </div><div class="t m0 x3 h7 y8 ff3 fs2 fc1 sc0 ls0 ws4">hidrogênio<span class="blank _1"></span>,<span class="blank _4"></span> <span class="blank _5"> </span>seguindo<span class="blank _4"></span> <span class="blank _5"> </span>a<span class="blank _6"></span> <span class="blank _5"> </span>escala<span class="blank _4"></span> <span class="blank _5"> </span>de<span class="blank _6"></span> <span class="blank _4"></span></div><div class="t m0 x3 h7 y9 ff3 fs2 fc1 sc0 lsd ws4">eletronega<span class="blank _1"></span>tividade. <span class="blank _7"> </span>Essa <span class="blank _7"> </span>interação <span class="blank _8"> </span>tem <span class="blank _7"> </span>extrema </div><div class="t m0 x3 h7 ya ff3 fs2 fc1 sc0 lsd ws4">importância biológica <span class="blank _9"> </span>já <span class="blank _2"> </span>que <span class="blank _2"> </span>permite <span class="blank _2"> </span>que <span class="blank _2"> </span>a <span class="blank _9"> </span>água </div><div class="t m0 x3 h7 yb ff3 fs2 fc1 sc0 lsd ws4">tenha <span class="blank _a"> </span>várias <span class="blank _a"> </span>características <span class="blank _a"> </span>essenciais <span class="blank _a"> </span>à <span class="blank _a"> </span>vida.<span class="blank _1"></span> </div><div class="t m0 x3 h7 yc ff3 fs2 fc1 sc0 lsd ws4">Uma <span class="blank _7"> </span>propriedade <span class="blank _7"> </span>importante <span class="blank _7"> </span>da <span class="blank _7"> </span>água <span class="blank _7"> </span>é <span class="blank _7"> </span>o <span class="blank _7"> </span>fato </div><div class="t m0 x3 h7 yd ff3 fs2 fc1 sc0 lsd ws4">de <span class="blank _b"> </span>que,<span class="blank _1"></span> <span class="blank _b"> </span>em <span class="blank _b"> </span>sua <span class="blank _b"> </span>forma <span class="blank _b"> </span>pura <span class="blank _b"> </span>(destilada),<span class="blank _1"></span> <span class="blank _b"> </span>ela <span class="blank _b"> </span>é </div><div class="t m0 x3 h7 ye ff3 fs2 fc1 sc0 lsd ws4">levemente ionizada.<span class="blank _1"></span> </div><div class="t m0 x3 h6 yf ff1 fs2 fc1 sc0 lsd ws4">2.<span class="blank _1"></span> pH (potencial hidrogeniônico) </div><div class="t m0 x3 h7 y10 ff3 fs2 fc1 sc0 lsd ws4">O <span class="blank _9"> </span>pH <span class="blank _9"> </span>de <span class="blank _9"> </span>uma <span class="blank _9"> </span>solução <span class="blank _9"> </span>é <span class="blank _9"> </span>o <span class="blank _9"> </span>logaritmo <span class="blank _9"> </span>negativo <span class="blank _9"> </span>de </div><div class="t m0 x3 h7 y11 ff3 fs2 fc1 sc0 lsd ws4">sua <span class="blank _3"> </span>concentração <span class="blank _9"> </span>de <span class="blank _3"> </span>íon <span class="blank _9"> </span>hidrogênio.<span class="blank _1"></span> <span class="blank _3"> </span>Repr<span class="blank _1"></span>esenta </div><div class="t m0 x3 h7 y12 ff3 fs2 fc1 sc0 lsd ws4">o <span class="blank _a"> </span>quanto <span class="blank _c"> </span>uma <span class="blank _a"> </span>substância <span class="blank _c"> </span>pode <span class="blank _a"> </span>desprotonar </div><div class="t m0 x3 h7 y13 ff3 fs2 fc1 sc0 lsd ws4">(liberar o pr<span class="blank _1"></span>óton H+). </div><div class="t m0 x5 h8 y14 ff3 fs3 fc1 sc0 lsd ws4"> </div><div class="t m0 x3 h7 y15 ff3 fs2 fc1 sc0 ls1 ws4">Dá<span class="blank _1"></span> <span class="blank _a"> </span>origem <span class="blank _a"> </span>à<span class="blank _1"></span> <span class="blank _a"> </span>uma <span class="blank _a"> </span>escala<span class="blank _1"></span> <span class="blank _a"> </span>logarítmica <span class="blank _a"> </span>que <span class="blank _1"></span></div><div class="t m0 x3 h7 y16 ff3 fs2 fc1 sc0 ls2 ws4">determina <span class="blank _a"> </span>a <span class="blank _a"> </span>liberação<span class="blank _1"></span> <span class="blank _c"> </span>da <span class="blank _a"> </span>concentração <span class="blank _a"> </span>de <span class="blank _1"></span></div><div class="t m0 x3 h7 y17 ff3 fs2 fc1 sc0 lsd ws4">hidrogênio <span class="blank _7"> </span>ionizado.<span class="blank _1"></span> <span class="blank _7"> </span>Quanto <span class="blank _7"> </span>menor <span class="blank _8"> </span>o <span class="blank _7"> </span>valor <span class="blank _8"> </span>de </div><div class="t m0 x3 h7 y18 ff3 fs2 fc1 sc0 lsd ws4">pH,<span class="blank _1"></span> <span class="blank"> </span>maior <span class="blank"> </span>será <span class="blank"> </span>a <span class="blank"> </span>concentr<span class="blank _1"></span>ação <span class="blank"> </span>de <span class="blank"> </span>H+ <span class="blank"> </span>\u2013 <span class="blank"> </span>maior </div><div class="t m0 x3 h7 y19 ff3 fs2 fc1 sc0 lsd ws4">acidez. </div><div class="t m0 x3 h7 y1a ff3 fs2 fc1 sc0 ls3 ws4">A<span class="blank _1"></span> <span class="blank _a"> </span>mudança<span class="blank _1"></span> <span class="blank _c"> </span>de<span class="blank _1"></span> <span class="blank _c"> </span>pH<span class="blank _1"></span> <span class="blank _a"> </span>pode <span class="blank _a"> </span>acarretar<span class="blank _1"></span> <span class="blank _a"> </span>muitas<span class="blank _1"></span> <span class="blank _1"></span></div><div class="t m0 x3 h7 y1b ff3 fs2 fc1 sc0 ls4 ws4">consequências,<span class="blank _1"></span> <span class="blank _c"> </span>como <span class="blank _c"> </span>uma <span class="blank _c"> </span>série <span class="blank _c"> </span>de <span class="blank _c"> </span>reações </div><div class="t m0 x3 h7 y1c ff3 fs2 fc1 sc0 ls5 ws4">químicas.<span class="blank _d"></span> <span class="blank _e"> </span>Alterações<span class="blank _d"></span> <span class="blank _a"> </span>muito<span class="blank _f"></span> <span class="blank _e"> </span>bruscas<span class="blank _f"></span> <span class="blank _a"> </span>na<span class="blank _f"></span> <span class="blank _f"></span></div><div class="t m0 x3 h7 y1d ff3 fs2 fc1 sc0 ls6 ws4">concentração <span class="blank _a"> </span>de <span class="blank _c"> </span>prótons <span class="blank _c"> </span>hidrogênio <span class="blank _a"> </span>podem </div><div class="t m0 x3 h7 y1e ff3 fs2 fc1 sc0 ls7 ws4">causar<span class="blank _1"></span> <span class="blank _a"> </span>desde<span class="blank _1"></span> <span class="blank _c"> </span>desnatur<span class="blank _1"></span>ação<span class="blank _1"></span> <span class="blank _c"> </span>de<span class="blank _1"></span> <span class="blank _a"> </span>enzimas<span class="blank _1"></span> <span class="blank _c"> </span>e<span class="blank _1"></span> <span class="blank _1"></span></div><div class="t m0 x3 h7 y1f ff3 fs2 fc1 sc0 lsd ws4">proteínas à mor<span class="blank _1"></span>te de um organismo.<span class="blank _1"></span> </div><div class="t m0 x6 h7 y20 ff3 fs2 fc1 sc0 ls8 ws4">O <span class="blank _c"> </span>pH <span class="blank _c"> </span>tem <span class="blank _c"> </span>diversas <span class="blank _c"> </span>aplicações <span class="blank _c"> </span>na <span class="blank _c"> </span>medicina </div><div class="t m0 x6 h7 y21 ff3 fs2 fc1 sc0 lsd ws4">moderna e no funcionamento do corpo humano.<span class="blank _1"></span> </div><div class="t m0 x6 h6 y22 ff1 fs2 fc1 sc0 lsd ws4">3.<span class="blank _1"></span> T<span class="blank _f"></span>eorias ácido-base </div><div class="t m0 x6 h7 y23 ff3 fs2 fc1 sc0 lsd ws4">Na <span class="blank _3"> </span>bioquímica <span class="blank _10"> </span>humana,<span class="blank _1"></span> <span class="blank _10"> </span>a <span class="blank _3"> </span>teoria <span class="blank _10"> </span>mais <span class="blank _3"> </span>utilizada <span class="blank _10"> </span>e </div><div class="t m0 x6 h7 y24 ff3 fs2 fc1 sc0 lsd ws4">aceita <span class="blank _11"> </span>é <span class="blank _11"> </span>a <span class="blank _11"> </span>de <span class="blank _11"> </span>Brownsted-L<span class="blank _1"></span>owry<span class="blank _1"></span>.<span class="blank _1"></span> <span class="blank _11"> </span>Segundo <span class="blank _11"> </span>essa </div><div class="t m0 x6 h7 y25 ff3 fs2 fc1 sc0 ls9 ws4">teoria,<span class="blank _f"></span> <span class="blank _a"> </span>substâncias<span class="blank _f"></span> <span class="blank _a"> </span>que<span class="blank _12"></span> <span class="blank _a"> </span>liberam<span class="blank _f"></span> <span class="blank _a"> </span>prótons<span class="blank _f"></span> <span class="blank _12"></span></div><div class="t m0 x6 h7 y26 ff3 fs2 fc1 sc0 lsd ws4">(protonadas) <span class="blank _5"> </span>são <span class="blank _5"> </span>ácidas <span class="blank _5"> </span>enquanto <span class="blank _5"> </span>as <span class="blank _5"> </span>que <span class="blank _5"> </span>os </div><div class="t m0 x6 h7 y27 ff3 fs2 fc1 sc0 lsd ws4">recebem são bases (despr<span class="blank _1"></span>otonadas). </div></div><div class="c x7 y28 w4 h9"><div class="t m0 x8 ha y29 ff4 fs4 fc1 sc0 lsd ws1">pH<span class="blank"> </span><span class="ff5 lsa">=<span class="ff6 lsb">\u2212</span></span><span class="ws2">l<span class="blank"> </span>og<span class="ff5 lsc">[</span><span class="ws3">H<span class="ff5">+]</span></span></span></div></div><div class="c x9 y2a w5 hb"><div class="t m0 xa hc y2b ff1 fs5 fc1 sc0 lsd ws4">MEDICINA NO<span class="blank _1"></span>VE DE JULHO </div><div class="t m0 xb hc y2c ff1 fs5 fc1 sc0 lsd ws4">JÉSSICA<span class="blank _1"></span> SANT<span class="blank _1"></span>ANA SIL<span class="blank _1"></span>V<span class="blank _1"></span>A</div></div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://files.passeidireto.com/70a02bb5-9bd8-4531-b0b3-cab8dd1acfe8/bg2.png"><div class="c x1 y1 w2 h2"><div class="t m0 x2 h3 y2 ff1 fs0 fc0 sc0 lsd ws0">@JESSICALECRIM</div></div><div class="c xa y2d w6 hd"><div class="t m0 xb h7 y2e ff3 fs2 fc1 sc0 lsd ws4"> </div><div class="t m0 xb h6 y2f ff1 fs2 fc1 sc0 lsd ws4"> 4.<span class="blank _1"></span> Constante de ionização de um ácido (Ka) </div><div class="t m0 xb h7 y30 ff3 fs2 fc1 sc0 lsd ws4">Cada <span class="blank _3"> </span>ácido <span class="blank _3"> </span>tem <span class="blank _3"> </span>uma <span class="blank _3"> </span>tendência <span class="blank _10"> </span>car<span class="blank _1"></span>acterística <span class="blank _10"> </span>de </div><div class="t m0 xb h7 y31 ff3 fs2 fc1 sc0 lsd ws4">perder <span class="blank _5"> </span>seu <span class="blank _e"> </span>próton <span class="blank _e"> </span>em <span class="blank _e"> </span>uma <span class="blank _e"> </span>solução <span class="blank _e"> </span>aquosa.<span class="blank _1"></span> </div><div class="t m0 xb h7 y32 ff3 fs2 fc1 sc0 lsd ws4">Quanto <span class="blank _9"> </span>mais <span class="blank _9"> </span>forte <span class="blank _2"> </span>for <span class="blank _9"> </span>o <span class="blank _9"> </span>ácido,<span class="blank _1"></span> <span class="blank _9"> </span>maior <span class="blank _9"> </span>a <span class="blank _9"> </span>tendência </div><div class="t m0 xb h7 y33 ff3 fs2 fc1 sc0 lsd ws4">de <span class="blank _e"> </span>perder <span class="blank _e"> </span>seu <span class="blank _e"> </span>próton.<span class="blank _1"></span> <span class="blank _e"> </span>Essa <span class="blank _e"> </span>propriedade <span class="blank _e"> </span>do </div><div class="t m0 xb h7 y34 ff3 fs2 fc1 sc0 lse ws4">ácido<span class="blank _d"></span> <span class="blank _a"> </span>determina<span class="blank _d"></span> <span class="blank _e"> </span>qual<span class="blank _d"></span> <span class="blank _a"> </span>a<span class="blank _d"></span> <span class="blank _e"> </span>tendência<span class="blank _f"></span> <span class="blank _e"> </span>de<span class="blank _d"></span> <span class="blank _f"></span></div><div class="t m0 xb h7 y35 ff3 fs2 fc1 sc0 lsd ws4">desprotonação <span class="blank _9"> </span>do <span class="blank _3"> </span>ácido.<span class="blank _1"></span> <span class="blank _3"> </span>Ela <span class="blank _10"> </span>pode <span class="blank _9"> </span>ser <span class="blank _3"> </span>calculada </div><div class="t m0 xb h7 y36 ff3 fs2 fc1 sc0 lsd ws4">atr<span class="blank _1"></span>avés da fórmula: </div><div class="t m0 xc h8 y37 ff3 fs3 fc1 sc0 lsd ws4"> </div><div class="t m0 xb h7 y38 ff3 fs2 fc1 sc0 lsd ws4">Dentro dos <span class="blank _2"> </span>valores <span class="blank _2"> </span>de <span class="blank _2"> </span>Ka <span class="blank _2"> </span>encontrados,<span class="blank _1"></span> <span class="blank _2"> </span>os <span class="blank _9"> </span>ácidos </div><div class="t m0 xb h7 y39 ff3 fs2 fc1 sc0 lsd ws4">são <span class="blank _7"> </span>classi\ufb01cados <span class="blank _8"> </span>em: <span class="blank _8"> </span>muito <span class="blank _7"> </span>forte,<span class="blank _1"></span> <span class="blank _8"> </span>forte <span class="blank _7"> </span>e <span class="blank _8"> </span>fraco<span class="blank _1"></span>. </div><div class="t m0 xb h7 y3a ff3 fs2 fc1 sc0 lsd ws4">Quanto <span class="blank _13"> </span>maior <span class="blank _13"> </span>o <span class="blank _13"> </span>valor <span class="blank _13"> </span>do <span class="blank _13"> </span>Ka <span class="blank _10"> </span>de <span class="blank _13"> </span>um <span class="blank _13"> </span>ácido,<span class="blank _1"></span> <span class="blank _13"> </span>mais </div><div class="t m0 xb h7 y3b ff3 fs2 fc1 sc0 lsd ws4">forte ele é. </div><div class="t m0 xb h7 y3c ff3 fs2 fc1 sc0 lsf ws4">Enquanto<span class="blank _12"></span> <span class="blank _a"> </span>os<span class="blank _12"></span> <span class="blank _a"> </span>ácidos<span class="blank _12"></span> <span class="blank _a"> </span>fortes<span class="blank _12"></span> <span class="blank _a"> </span>se<span class="blank _12"></span> <span class="blank _a"> </span>dissociam<span class="blank _12"></span> <span class="blank _12"></span></div><div class="t m0 xb h7 y3d ff3 fs2 fc1 sc0 ls10 ws4">totalmente<span class="blank _1"></span> <span class="blank _a"> </span>em<span class="blank _1"></span> <span class="blank _c"> </span>água,<span class="blank _f"></span> <span class="blank _c"> </span>os<span class="blank _1"></span> <span class="blank _a"> </span>ácidos<span class="blank _1"></span> <span class="blank _c"> </span>fracos<span class="blank _12"></span> <span class="blank _c"> </span>se<span class="blank _1"></span> <span class="blank _1"></span></div><div class="t m0 xb h7 y3e ff3 fs2 fc1 sc0 lsd ws4">dissociam parcialmente.<span class="blank _1"></span> </div><div class="t m0 xb h6 y3f ff1 fs2 fc1 sc0 lsd ws4">5.<span class="blank _1"></span> V<span class="blank _1"></span>ariação da for<span class="blank _1"></span>ça ácida entre ácidos fr<span class="blank _1"></span>acos </div><div class="t m0 xb h7 y40 ff3 fs2 fc1 sc0 lsd ws4">Na <span class="blank _10"> </span>preparação <span class="blank _10"> </span>e <span class="blank _13"> </span>e\ufb01ciência <span class="blank _13"> </span>dos <span class="blank _10"> </span>tampões, <span class="blank _10"> </span>o <span class="blank _13"> </span>pKa </div><div class="t m0 xb h7 y41 ff3 fs2 fc1 sc0 lsd ws4">surgiu <span class="blank _3"> </span>para <span class="blank _10"> </span>facilitar <span class="blank _3"> </span>o <span class="blank _10"> </span>cálculo <span class="blank _10"> </span>com <span class="blank _10"> </span>ácidos <span class="blank _3"> </span>fracos.<span class="blank _1"></span> </div><div class="t m0 xb h7 y42 ff3 fs2 fc1 sc0 lsd ws4">Quanto <span class="blank _e"> </span>maior <span class="blank _5"> </span>o <span class="blank _e"> </span>pKa,<span class="blank _1"></span> <span class="blank _e"> </span>mais <span class="blank _e"> </span>fr<span class="blank _1"></span>aco <span class="blank _e"> </span>é <span class="blank _e"> </span>o <span class="blank _e"> </span>ácido<span class="blank _1"></span>. </div><div class="t m0 xb h7 y43 ff3 fs2 fc1 sc0 lsd ws4">P<span class="blank _12"></span>ortanto<span class="blank _1"></span>, o pK<span class="blank _1"></span>a determina a força do ácido.<span class="blank _1"></span> </div><div class="t m0 xd h8 y44 ff3 fs3 fc1 sc0 lsd ws4"> </div><div class="t m0 xe h6 y45 ff1 fs2 fc1 sc0 ls11 ws4">6.<span class="blank _12"></span> <span class="blank _a"> </span>Titulação <span class="blank _a"> </span>de <span class="blank _a"> </span>um<span class="blank _1"></span> <span class="blank _c"> </span>ácido <span class="blank _a"> </span>fraco<span class="blank _1"></span> <span class="blank _c"> </span>(sistema<span class="blank _1"></span> </div><div class="t m0 xe h6 y46 ff1 fs2 fc1 sc0 lsd ws4">T<span class="blank _f"></span>ampão) </div><div class="t m0 xe h7 y47 ff3 fs2 fc1 sc0 lsd ws4">T<span class="blank _f"></span>ampões <span class="blank"> </span>são <span class="blank _11"> </span>sistemas <span class="blank"> </span>aquosos <span class="blank _11"> </span>que <span class="blank"> </span>tendem <span class="blank"> </span>a </div><div class="t m0 xe h7 y48 ff3 fs2 fc1 sc0 lsd ws4">resistir <span class="blank _b"> </span>a <span class="blank _14"> </span>mudanças <span class="blank _14"> </span>de <span class="blank _b"> </span>pH <span class="blank _14"> </span>quando <span class="blank _14"> </span>pequenas </div><div class="t m0 xe h7 y49 ff3 fs2 fc1 sc0 lsd ws4">quantidades <span class="blank _7"> </span>de <span class="blank _7"> </span>ácido <span class="blank _7"> </span>(H+) <span class="blank _7"> </span>ou <span class="blank _13"> </span>base <span class="blank _7"> </span>(OH\u2013 <span class="blank _7"> </span>) <span class="blank _7"> </span>são </div><div class="t m0 xe h7 y4a ff3 fs2 fc1 sc0 lsd ws4">adicionadas,<span class="blank _1"></span> <span class="blank _7"> </span>evitando <span class="blank _13"> </span>a <span class="blank _7"> </span>variação <span class="blank _7"> </span>brusca <span class="blank _13"> </span>de <span class="blank _7"> </span>pH,<span class="blank _1"></span> </div><div class="t m0 xe h7 y4b ff3 fs2 fc1 sc0 lsd ws4">que pode ser prejudicial.<span class="blank _1"></span> </div><div class="t m0 xe h7 y4c ff3 fs2 fc1 sc0 lsd ws4">Um <span class="blank _3"> </span>sistema <span class="blank _10"> </span>tampão <span class="blank _10"> </span>consiste <span class="blank _3"> </span>em <span class="blank _10"> </span>um <span class="blank _3"> </span>ácido <span class="blank _10"> </span>fr<span class="blank _1"></span>aco </div><div class="t m0 xe h7 y4d ff3 fs2 fc1 sc0 lsd ws4">(o <span class="blank _3"> </span>doador <span class="blank _3"> </span>de <span class="blank _3"> </span>prótons) <span class="blank _3"> </span>e <span class="blank _3"> </span>sua <span class="blank _3"> </span>base <span class="blank _3"> </span>conjugada/sal </div><div class="t m0 xe h7 y4e ff3 fs2 fc1 sc0 lsd ws4">do <span class="blank _2"> </span>ácido <span class="blank _9"> </span>fraco <span class="blank _2"> </span>(o <span class="blank _2"> </span>aceptor <span class="blank _9"> </span>de <span class="blank _2"> </span>prótons).<span class="blank _1"></span> <span class="blank _2"> </span>O <span class="blank _9"> </span>tampão </div><div class="t m0 xe h7 y4f ff3 fs2 fc1 sc0 lsd ws4">é <span class="blank"> </span>nomeado <span class="blank"> </span>seguindo <span class="blank"> </span>o <span class="blank"> </span>nome <span class="blank"> </span>de <span class="blank"> </span>sua <span class="blank _11"> </span>base.<span class="blank _1"></span> <span class="blank"> </span>A<span class="blank _1"></span> </div><div class="t m0 xe h7 y50 ff3 fs2 fc1 sc0 lsd ws4">e\ufb01ciência <span class="blank _2"> </span>de <span class="blank _9"> </span>um <span class="blank _9"> </span>tampão <span class="blank _2"> </span>está <span class="blank _9"> </span>restrita <span class="blank _2"> </span>a <span class="blank _9"> </span>uma <span class="blank _2"> </span>faixa </div><div class="t m0 xe h7 y51 ff3 fs2 fc1 sc0 lsd ws4">de pH.<span class="blank _1"></span> </div><div class="t m0 xe h7 y52 ff3 fs2 fc1 sc0 lsd ws4">A <span class="blank _10"> </span>equação <span class="blank _10"> </span>de <span class="blank _13"> </span>Henderson-Hasselbalch <span class="blank _13"> </span>relaciona </div><div class="t m0 xe h7 y53 ff3 fs2 fc1 sc0 ls12 ws4">pH,<span class="blank _1"></span> <span class="blank _c"> </span>constante <span class="blank _a"> </span>de <span class="blank _c"> </span>ionização <span class="blank _c"> </span>do <span class="blank _a"> </span>ácido <span class="blank _c"> </span>e <span class="blank _c"> </span>as <span class="blank _1"></span></div><div class="t m0 xe h7 y54 ff3 fs2 fc1 sc0 lsd ws4">concentrações de ácido e base conjugada.<span class="blank _1"></span> </div><div class="t m0 xf h8 y55 ff3 fs3 fc1 sc0 lsd ws4"> </div><div class="t m0 xe h7 y56 ff3 fs2 fc1 sc0 lsd ws4">O <span class="blank _3"> </span>ácido <span class="blank _9"> </span>fraco <span class="blank _3"> </span>constituirá <span class="blank _9"> </span>um <span class="blank _3"> </span>tampão <span class="blank _9"> </span>apropriado </div><div class="t m0 xe h7 y57 ff3 fs2 fc1 sc0 lsd ws4">se <span class="blank _9"> </span>o <span class="blank _9"> </span>seu <span class="blank _9"> </span>valor <span class="blank _9"> </span>de <span class="blank _9"> </span>pKa <span class="blank _9"> </span>estiver <span class="blank _9"> </span>dentro <span class="blank _2"> </span>do <span class="blank _3"> </span>intervalo </div><div class="t m0 xe h7 y58 ff3 fs2 fc1 sc0 lsd ws4">compreendido <span class="blank _15"> </span>por <span class="blank _15"> </span>uma <span class="blank _7"> </span>unidade <span class="blank _7"> </span>abaixo <span class="blank _7"> </span>e <span class="blank _15"> </span>uma </div><div class="t m0 xe h7 y59 ff3 fs2 fc1 sc0 lsd ws4">unidade <span class="blank _a"> </span>acima <span class="blank _c"> </span>do <span class="blank _c"> </span>pH <span class="blank _a"> </span>que <span class="blank _c"> </span>se <span class="blank _c"> </span>quer <span class="blank _a"> </span>manter </div><div class="t m0 xe h7 y5a ff3 fs2 fc1 sc0 lsd ws4">constante.<span class="blank _1"></span> <span class="blank _3"> </span>A <span class="blank _9"> </span>região <span class="blank _3"> </span>de <span class="blank _3"> </span>tamponamento <span class="blank _10"> </span>depende </div><div class="t m0 xe h7 y5b ff3 fs2 fc1 sc0 lsd ws4">da variação de pH de cada substancia.<span class="blank _1"></span> </div><div class="t m0 xe h7 y5c ff3 fs2 fc1 sc0 ls13 ws4">P<span class="blank _12"></span>ara <span class="blank _a"> </span>terem<span class="blank _1"></span> <span class="blank _c"> </span>alta <span class="blank _a"> </span>e\ufb01cácia,<span class="blank _1"></span> <span class="blank _c"> </span>o<span class="blank _1"></span> <span class="blank _c"> </span>tampão <span class="blank _a"> </span>precisa<span class="blank _1"></span> </div><div class="t m0 xe h7 y5d ff3 fs2 fc1 sc0 ls14 ws4">apresentar<span class="blank _1"></span> <span class="blank _c"> </span>pKa<span class="blank _1"></span> <span class="blank _a"> </span>= <span class="blank _a"> </span>pH.<span class="blank _1"></span> <span class="blank _c"> </span>Esse<span class="blank _1"></span> <span class="blank _c"> </span>valor <span class="blank _a"> </span>está <span class="blank _a"> </span>em <span class="blank _1"></span></div><div class="t m0 xe h7 y5e ff3 fs2 fc1 sc0 ls15 ws4">equilíbrio,<span class="blank _12"></span> <span class="blank _a"> </span>onde <span class="blank _a"> </span>50% <span class="blank _a"> </span>das<span class="blank _1"></span> <span class="blank _c"> </span>moléculas<span class="blank _1"></span> <span class="blank _c"> </span>estão<span class="blank _1"></span> <span class="blank _1"></span></div><div class="t m0 xe h7 y5f ff3 fs2 fc1 sc0 lsd ws4">protonadas <span class="blank _13"> </span>(ácido) <span class="blank _15"> </span>e <span class="blank _7"> </span>50% <span class="blank _15"> </span>estão <span class="blank _7"> </span>desprotonadas </div><div class="t m0 xe h7 y60 ff3 fs2 fc1 sc0 lsd ws4">(base conjugada).<span class="blank _1"></span> </div><div class="t m0 xe h7 y61 ff3 fs2 fc1 sc0 lsd ws4">Em <span class="blank _11"> </span>valores <span class="blank _11"> </span>de <span class="blank _11"> </span>pH <span class="blank _b"> </span>< <span class="blank _11"> </span>pKa,<span class="blank _1"></span> <span class="blank _11"> </span>predomina <span class="blank _11"> </span>o <span class="blank _11"> </span>ácido </div><div class="t m0 xe h7 y62 ff3 fs2 fc1 sc0 lsd ws4">fraco<span class="blank _1"></span>. <span class="blank _e"> </span>Já <span class="blank _e"> </span>em <span class="blank _e"> </span>valores <span class="blank _e"> </span>de <span class="blank _a"> </span>pH <span class="blank _e"> </span>> <span class="blank _e"> </span>pKa,<span class="blank _1"></span> <span class="blank _a"> </span>a <span class="blank _e"> </span>base </div><div class="t m0 xe h7 y63 ff3 fs2 fc1 sc0 lsd ws4">conjugada é predominante.<span class="blank _1"></span> </div></div><div class="c x10 y64 w7 he"><div class="t m0 x0 hf y65 ff4 fs4 fc1 sc0 lsd ws5">K<span class="blank"> </span>a<span class="blank _16"> </span><span class="ff5 ls16">=<span class="lsd ws3 v1">[<span class="ff4">H<span class="ff5 ws6">+]<span class="blank"> </span>.<span class="blank"> </span>[</span>A<span class="ff6 ls17">\u2212</span><span class="ff5">]</span></span></span></span></div><div class="t m0 x11 ha y66 ff5 fs4 fc1 sc0 lsd ws3">[<span class="ff4 ws7">H<span class="blank"> </span>A</span>]</div></div><div class="c x12 y67 w8 h10"><div class="t m0 x8 h11 y68 ff4 fs4 fc1 sc0 lsd ws5">pK<span class="blank"> </span>a<span class="blank _16"> </span><span class="ff5 lsa">=<span class="ff6 lsb">\u2212</span></span><span class="ws8">l<span class="blank"> </span>ogK<span class="blank"> </span>a<span class="blank _16"> </span><span class="ff5 ls18">=</span><span class="ws9">l<span class="blank"> </span>og<span class="blank _17"> </span><span class="ff5 v1">1</span></span></span></div><div class="t m0 x13 ha y69 ff4 fs4 fc1 sc0 lsd ws8">K<span class="blank"> </span>a</div></div><div class="c x14 y6a w9 he"><div class="t m0 x8 hf y65 ff4 fs4 fc1 sc0 lsd ws1">pH<span class="blank"> </span><span class="ff5 lsa">=</span><span class="ws5">pK<span class="blank"> </span>a<span class="blank _5"> </span><span class="ff5 ls19">+</span><span class="wsa">l<span class="blank"> </span>og<span class="blank _a"> </span><span class="ff5 ws3 v1">[</span><span class="ls1a v1">A</span><span class="ff6 ws3 v1">\u2212<span class="ff5">]</span></span></span></span></div><div class="t m0 x15 ha y66 ff5 fs4 fc1 sc0 lsc">[<span class="ff4 lsd wsb">H<span class="blank"> </span>A<span class="ff5">]</span></span></div></div><div class="c x9 y2a w5 hb"><div class="t m0 xa hc y2b ff1 fs5 fc1 sc0 lsd ws4">MEDICINA NO<span class="blank _1"></span>VE DE JULHO </div><div class="t m0 xb hc y2c ff1 fs5 fc1 sc0 lsd ws4">JÉSSICA<span class="blank _1"></span> SANT<span class="blank _1"></span>ANA SIL<span class="blank _1"></span>V<span class="blank _1"></span>A</div></div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x0 y0 w1 h1" alt="" src="https://files.passeidireto.com/70a02bb5-9bd8-4531-b0b3-cab8dd1acfe8/bg3.png"><div class="c x1 y1 w2 h2"><div class="t m0 x2 h3 y2 ff1 fs0 fc0 sc0 lsd ws0"><span class="fc2 sc0">@JES</span>SICALE<span class="fc2 sc0">CRIM</span></div></div><div class="c xb y3 wa h12"><div class="t m0 xa h7 y6b ff7 fs2 fc1 sc0 lsd wsc">Exemplo:<span class="ff3 ws4"> <span class="blank _5"> </span>r<span class="blank _1"></span>egião <span class="blank _5"> </span>de <span class="blank _5"> </span>tamponamento <span class="blank _5"> </span>do <span class="blank _5"> </span>ácido </span></div><div class="t m0 xa h7 y6c ff3 fs2 fc1 sc0 lsd ws4">acético (tampão acetato).<span class="blank _1"></span> </div><div class="t m0 xa h6 y6d ff1 fs2 fc1 sc0 lsd ws4">7.<span class="blank _1"></span> T<span class="blank _f"></span>ampões biológicos </div><div class="t m0 xa h7 y6e ff3 fs2 fc1 sc0 lsd ws4">A <span class="blank _10"> </span>atividade <span class="blank _13"> </span>metabólica <span class="blank _13"> </span>produz <span class="blank _13"> </span>cerca <span class="blank _10"> </span>de <span class="blank _13"> </span>22.000 </div><div class="t m0 xa h7 y6f ff3 fs2 fc1 sc0 lsd ws4">mEq <span class="blank _14"> </span>de <span class="blank _5"> </span>ácido/dia.<span class="blank _1"></span> <span class="blank _14"> </span>Se <span class="blank _5"> </span>todo <span class="blank _14"> </span>esse <span class="blank _5"> </span>ácido <span class="blank _14"> </span>fosse </div><div class="t m0 xa h7 y70 ff3 fs2 fc1 sc0 ls1b ws4">dissolvido<span class="blank _f"></span> <span class="blank _e"> </span>nos<span class="blank _f"></span> <span class="blank _a"> </span>líquidos<span class="blank _f"></span> <span class="blank _e"> </span>corporais,<span class="blank _d"></span> <span class="blank _a"> </span>sem<span class="blank _f"></span> <span class="blank _f"></span></div><div class="t m0 xa h7 y71 ff3 fs2 fc1 sc0 lsd ws4">tamponamento,<span class="blank _1"></span> <span class="blank _3"> </span>o <span class="blank _3"> </span>pH <span class="blank _3"> </span>do <span class="blank _3"> </span>corpo <span class="blank _3"> </span>seria <span class="blank _3"> </span>menor <span class="blank _9"> </span>que </div><div class="t m0 xa h7 y72 ff3 fs2 fc1 sc0 lsd ws4">1.<span class="blank _1"></span> <span class="blank _2"> </span>A maior <span class="blank _9"> </span>fonte <span class="blank _2"> </span>de <span class="blank _9"> </span>ácido <span class="blank _2"> </span>metabólico <span class="blank _9"> </span>no <span class="blank _2"> </span>corpo <span class="blank _9"> </span>é </div><div class="t m0 xa h7 y73 ff3 fs2 fc1 sc0 lsd ws4">CO2 <span class="blank"> </span>(o<span class="blank _1"></span>xidação <span class="blank"> </span>de <span class="blank"> </span>substrato<span class="blank _1"></span>, <span class="blank"> </span>em <span class="blank"> </span>24 <span class="blank _8"> </span>horas <span class="blank"> </span>são </div><div class="t m0 xa h7 y74 ff3 fs2 fc1 sc0 lsd ws4">produzidos <span class="blank _14"> </span>cerca <span class="blank _18"> </span>de <span class="blank _18"> </span>0,5 <span class="blank _18"> </span>até <span class="blank _18"> </span>1 <span class="blank _18"> </span>Kg <span class="blank _5"> </span>de <span class="blank _18"> </span>CO2).<span class="blank _1"></span> </div><div class="t m0 xa h7 y75 ff3 fs2 fc1 sc0 ls1c ws4">Sistemas <span class="blank _a"> </span>tampão <span class="blank _c"> </span>mantém <span class="blank _c"> </span>estável <span class="blank _a"> </span>o <span class="blank _c"> </span>pH <span class="blank _c"> </span>de <span class="blank _1"></span></div><div class="t m0 xa h7 y76 ff3 fs2 fc1 sc0 lsd ws4">organelas,<span class="blank _1"></span> células,<span class="blank _1"></span> órgãos e \ufb02uidos biológicos. </div><div class="t m0 xa h7 y77 ff3 fs2 fc1 sc0 lsd ws4">O <span class="blank _9"> </span>tampão <span class="blank _9"> </span>fosfato <span class="blank _9"> </span>é <span class="blank _9"> </span>o <span class="blank _9"> </span>principal <span class="blank _3"> </span>dos <span class="blank _9"> </span>tampões <span class="blank _9"> </span>dos </div><div class="t m0 xa h7 y78 ff3 fs2 fc1 sc0 ls1d ws4">líquido <span class="blank _c"> </span>intracelular<span class="blank _1"></span>es <span class="blank _c"> </span>nas <span class="blank _c"> </span>células <span class="blank _c"> </span>renais.<span class="blank _1"></span> <span class="blank _c"> </span>Sua </div><div class="t m0 xa h7 y79 ff3 fs2 fc1 sc0 lsd ws4">concentração <span class="blank _11"> </span>é <span class="blank _11"> </span>maior <span class="blank _11"> </span>no <span class="blank _b"> </span>meio <span class="blank _11"> </span>intracelular <span class="blank _11"> </span>do </div><div class="t m0 xa h7 y7a ff3 fs2 fc1 sc0 lsd ws4">que no meio extracelular<span class="blank _12"></span>.<span class="blank _1"></span> </div><div class="t m0 x16 h6 y6b ff1 fs2 fc1 sc0 lsd ws4">7.1.<span class="blank _1"></span> T<span class="blank _f"></span>amponamento do sangue </div><div class="t m0 x16 h7 y6c ff3 fs2 fc1 sc0 lsd ws4">Repr<span class="blank _1"></span>esentação <span class="blank _13"> </span>esquemática <span class="blank _10"> </span>do <span class="blank _10"> </span>sistema <span class="blank _10"> </span>em <span class="blank _13"> </span>que </div><div class="t m0 x16 h7 y7b ff3 fs2 fc1 sc0 lsd ws4">ocorre no tampão bicarbona<span class="blank _1"></span>to. </div><div class="t m0 x16 h7 ye ff3 fs2 fc1 sc0 lsd ws4">O <span class="blank _18"> </span>tampão <span class="blank _5"> </span>bicarbonato <span class="blank _18"> </span>é <span class="blank _5"> </span>o <span class="blank _18"> </span>principal <span class="blank _5"> </span>tampão </div><div class="t m0 x16 h7 y7c ff3 fs2 fc1 sc0 lsd ws4">biológico <span class="blank _10"> </span>extracelular <span class="blank _10"> </span>r<span class="blank _1"></span>esponsável <span class="blank _10"> </span>por <span class="blank _10"> </span>manter <span class="blank _10"> </span>o </div><div class="t m0 x16 h7 yf ff3 fs2 fc1 sc0 lsd ws4">pH <span class="blank _2"> </span>sanguíneo <span class="blank _2"> </span>em <span class="blank _2"> </span>faixas <span class="blank _2"> </span>adequadas <span class="blank _2"> </span>(entre <span class="blank _2"> </span>7,35 <span class="blank _2"> </span>e </div><div class="t m0 x16 h7 y10 ff3 fs2 fc1 sc0 lsd ws4">7,45).<span class="blank _1"></span> </div><div class="t m0 x16 h7 y12 ff3 fs2 fc1 sc0 lsd ws4">Quando <span class="blank"> </span>um <span class="blank _11"> </span>ácido <span class="blank _11"> </span>é <span class="blank"> </span>adicionado <span class="blank _11"> </span>ao <span class="blank"> </span>sangue, <span class="blank"> </span>o </div><div class="t m0 x16 h7 y13 ff3 fs2 fc1 sc0 ls1e ws4">bicarbonato<span class="blank _f"></span> <span class="blank _a"> </span>do<span class="blank _f"></span> <span class="blank _a"> </span>tampão<span class="blank _f"></span> <span class="blank _a"> </span>r<span class="blank _1"></span>eage<span class="blank _12"></span> <span class="blank _a"> </span>com<span class="blank _f"></span> <span class="blank _a"> </span>ele<span class="blank _f"></span> <span class="blank _f"></span></div><div class="t m0 x16 h7 y7d ff3 fs2 fc1 sc0 lsd ws4">produzindo <span class="blank _3"> </span>ácido <span class="blank _3"> </span>carbônico <span class="blank _10"> </span>que <span class="blank _3"> </span>se <span class="blank _10"> </span>dissocia <span class="blank _3"> </span>em </div><div class="t m0 x16 h7 y7e ff3 fs2 fc1 sc0 lsd ws4">CO2 <span class="blank _10"> </span>e <span class="blank _10"> </span>água <span class="blank _10"> </span>e <span class="blank _10"> </span>é <span class="blank _10"> </span>eliminado <span class="blank _10"> </span>nos <span class="blank _10"> </span>pulmões.<span class="blank _1"></span> <span class="blank _10"> </span>Assim,<span class="blank _1"></span> </div><div class="t m0 x16 h7 y7f ff3 fs2 fc1 sc0 lsd ws4">mesmo <span class="blank _10"> </span>possuindo <span class="blank _13"> </span>uma <span class="blank _10"> </span>faixa <span class="blank _10"> </span>de <span class="blank _13"> </span>tamponamento </div><div class="t m0 x16 h7 y80 ff3 fs2 fc1 sc0 lsd ws4">abaixo <span class="blank _5"> </span>da <span class="blank _5"> </span>sanguínea, <span class="blank _18"> </span>é <span class="blank _e"> </span>possível <span class="blank _5"> </span>controlar <span class="blank _18"> </span>as </div><div class="t m0 x16 h7 y81 ff3 fs2 fc1 sc0 ls1f ws4">concentrações<span class="blank _1"></span> <span class="blank _a"> </span>das <span class="blank _a"> </span>substâncias <span class="blank _a"> </span>através<span class="blank _1"></span> <span class="blank _a"> </span>dos <span class="blank _1"></span></div><div class="t m0 x16 h7 y82 ff3 fs2 fc1 sc0 ls20 ws4">sistemas<span class="blank _1"></span> <span class="blank _c"> </span>r<span class="blank _1"></span>enal <span class="blank _a"> </span>(componente<span class="blank _1"></span> <span class="blank _c"> </span>metabólico)<span class="blank _1"></span> <span class="blank _c"> </span>e<span class="blank _1"></span> <span class="blank _1"></span></div><div class="t m0 x16 h7 y83 ff3 fs2 fc1 sc0 lsd ws4">respir<span class="blank _1"></span>atório (componente respir<span class="blank _1"></span>atório).<span class="blank _1"></span> </div><div class="t m0 x17 h7 y84 ff3 fs2 fc1 sc0 lsd ws4"> </div><div class="t m0 x16 h7 y85 ff3 fs2 fc1 sc0 lsd ws4">Os <span class="blank _3"> </span>rins <span class="blank _3"> </span>regulam <span class="blank _3"> </span>a <span class="blank _3"> </span>concentração <span class="blank _3"> </span>de <span class="blank _3"> </span>bicarbonato,<span class="blank _1"></span> </div><div class="t m0 x16 h7 y86 ff3 fs2 fc1 sc0 lsd ws4">enquanto <span class="blank"> </span>os <span class="blank"> </span>pulmões <span class="blank"> </span>r<span class="blank _1"></span>egulam <span class="blank"> </span>a <span class="blank"> </span>concentração </div><div class="t m0 x16 h7 y87 ff3 fs2 fc1 sc0 lsd ws4">de CO2 (sistema aber<span class="blank _1"></span>to). </div></div><div class="c x18 y88 wb h13"><div class="t m0 x0 h14 y89 ff4 fs6 fc1 sc0 lsd wsd">C<span class="blank"> </span>O<span class="blank _10"> </span><span class="ff5 wse">2<span class="blank"> </span>+<span class="blank"> </span></span><span class="ls21">H</span><span class="ff5 wsf">20<span class="blank"> </span><span class="ff6 ls22">\u21c6</span></span><span class="ls21">H<span class="ff5 ls23">2</span></span><span class="ws10">C<span class="blank"> </span>O<span class="blank _3"> </span><span class="ff5 ls24">3<span class="ff6 ls25">\u21c6</span><span class="ls26">(</span></span><span class="ls27">H</span><span class="ff5 ws11">+)<span class="blank"> </span>+<span class="blank"> </span>(</span>HC<span class="blank"> </span>O<span class="blank _3"> </span><span class="ff5 ws12">3<span class="ff6">\u2212</span>)</span></span></div></div><div class="c x9 y2a w5 hb"><div class="t m0 xa hc y2b ff1 fs5 fc1 sc0 lsd ws4">MEDICINA NO<span class="blank _1"></span>VE DE JULHO </div><div class="t m0 xb hc y2c ff1 fs5 fc1 sc0 lsd ws4">JÉSSICA<span class="blank _1"></span> SANT<span class="blank _1"></span>ANA SIL<span class="blank _1"></span>V<span class="blank _1"></span>A</div></div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div> <div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img fetchpriority="low" loading="lazy" class="bi x0 y0 w1 h1" alt="" src="https://files.passeidireto.com/70a02bb5-9bd8-4531-b0b3-cab8dd1acfe8/bg4.png"><div class="c x1 y1 w2 h2"><div class="t m0 x2 h3 y2 ff1 fs0 fc0 sc0 lsd ws0">@JESSICALECRIM</div></div><div class="c xb y3 wc h15"><div class="t m0 xa h7 y8a ff3 fs2 fc1 sc0 lsd ws4"> </div><div class="t m0 xa h7 y8b ff3 fs2 fc1 sc0 lsd ws4">1.<span class="blank _1"></span> Difusão CO2 </div><div class="t m0 xa h16 y8c ff3 fs2 fc1 sc0 lsd ws4">2.<span class="blank _1"></span> CO2 <span class="ff8 ws13">\u21c6</span> ácido carbônico </div><div class="t m0 xa h7 y8d ff3 fs2 fc1 sc0 lsd ws4">3.<span class="blank _1"></span> Dissociação do ácido carbônico </div><div class="t m0 xa h7 y8e ff3 fs2 fc1 sc0 lsd ws4">4.<span class="blank _1"></span> Ação do tampão hemoglobina </div><div class="t m0 xa h7 y8f ff3 fs2 fc1 sc0 lsd ws4">5.<span class="blank _1"></span> Bomba bicarbonato e cloreto </div><div class="t m0 xa h7 y90 ff3 fs2 fc1 sc0 lsd ws4">6.<span class="blank _1"></span> Ação do tampão fosfato </div><div class="t m0 xa h7 y91 ff3 fs2 fc1 sc0 lsd ws4">7.<span class="blank _1"></span> Ação do tampão pr<span class="blank _1"></span>oteico </div><div class="t m0 xa h7 y92 ff3 fs2 fc1 sc0 lsd ws4">8.<span class="blank _1"></span> T<span class="blank _f"></span>ranspor<span class="blank _1"></span>te de H+ para o meio extracelular</div></div><div class="c x9 y2a w5 hb"><div class="t m0 xa hc y2b ff1 fs5 fc1 sc0 lsd ws4">MEDICINA NO<span class="blank _1"></span>VE DE JULHO </div><div class="t m0 xb hc y2c ff1 fs5 fc1 sc0 lsd ws4">JÉSSICA<span class="blank _1"></span> SANT<span class="blank _1"></span>ANA SIL<span class="blank _1"></span>V<span class="blank _1"></span>A</div></div></div><div class="pi" data-data="{"ctm":[1.000000,0.000000,0.000000,1.000000,0.000000,0.000000]}"></div></div>
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