diff --git a/app/Http/Controllers/AdministradorController.php b/app/Http/Controllers/AdministradorController.php
index 28dba86471e1804e036803633fbec601853b871a..d157431c7318edcdaead07fcc09ed80cc7898cf3 100755
--- a/app/Http/Controllers/AdministradorController.php
+++ b/app/Http/Controllers/AdministradorController.php
@@ -1042,7 +1042,7 @@ class AdministradorController extends Controller
         $nomeAvaliador = $request->nomeAvaliador;
         $emailAvaliador = $request->emailAvaliador;
         $area = Area::where('id', $request->area_id)->first();
-        $user = User::where('email', $emailAvaliador)->first();
+        $user = User::where('email', 'ilike', $emailAvaliador)->first();
         $areaTematica = AreaTematica::find($request->areasTemeticas);
 
         if ($request->instituicao == 'ufape') {
@@ -1162,7 +1162,7 @@ class AdministradorController extends Controller
         $nomeAvaliador = $request->nomeAvaliador;
         $emailAvaliador = $request->emailAvaliador;
         $area = Area::where('id', $request->area_id)->first();
-        $user = User::where('email', $emailAvaliador)->first();
+        $user = User::where('email', 'ilike', $emailAvaliador)->first();
         $areaTematica = AreaTematica::find($request->areasTemeticas);
 
         if ($request->instituicao == 'ufape') {
diff --git a/app/Http/Controllers/ComissaoController.php b/app/Http/Controllers/ComissaoController.php
index 4247456340e98f16e03264be37c4b44fa0882715..88be4132e8a3aa300891eb1daae5c1e9b5cc02ea 100755
--- a/app/Http/Controllers/ComissaoController.php
+++ b/app/Http/Controllers/ComissaoController.php
@@ -49,7 +49,7 @@ class ComissaoController extends Controller
             // 'especProfissional'=>'required|string',
             ]);
 
-        $user = User::where('email',$request->input('emailMembroComissao'))->first();
+        $user = User::where('email', 'ilike', $request->input('emailMembroComissao'))->first();
         $evento = Evento::find($request->eventoId);
         if($user == null){
           $passwordTemporario = Str::random(8);
diff --git a/app/Http/Controllers/RevisorController.php b/app/Http/Controllers/RevisorController.php
index 35d0b22ea216e60b13e59eba430fe4be0e24e469..e7a19b83fcc128d850247d9ed5877944195a7619 100755
--- a/app/Http/Controllers/RevisorController.php
+++ b/app/Http/Controllers/RevisorController.php
@@ -50,7 +50,7 @@ class RevisorController extends Controller
           'areaRevisor'  => ['required', 'integer'],
         ]);
 
-        $usuario = User::where('email', $request->emailRevisor)->first();
+        $usuario = User::where('email', 'ilike', $request->emailRevisor)->first();
         $evento = Evento::find($request->eventoId);
 
         if($usuario == null){
diff --git a/app/Http/Controllers/TrabalhoController.php b/app/Http/Controllers/TrabalhoController.php
index 629ff1fc190d66a2c7346caa197e51729b235ef5..e31e23c30575c3e1f044a0b84d017bd603ee409d 100755
--- a/app/Http/Controllers/TrabalhoController.php
+++ b/app/Http/Controllers/TrabalhoController.php
@@ -1069,9 +1069,9 @@ class TrabalhoController extends Controller
 
                     if($request->participante_id[$part] != null){
                         $participante = Participante::find($request->participante_id[$part]);
-                        $user = User::where('email', $participante->user->email)->first();
+                        $user = User::where('email', 'ilike', $participante->user->email)->first();
                     }else{
-                        $user = User::where('email', $data['email'])->first();
+                        $user = User::where('email', 'ilike', $data['email'])->first();
                     }
                     
                     
@@ -1317,7 +1317,7 @@ class TrabalhoController extends Controller
                         $data['instituicao'] = $request->outrainstituicao[$part];
                     }
                     
-                    $user = User::where('email', $data['email'])->first();
+                    $user = User::where('email', 'ilike', $data['email'])->first();
                     
                     if ($user == null) {
                         $data['usuarioTemp'] = true;
@@ -1478,7 +1478,7 @@ class TrabalhoController extends Controller
             foreach ($request->participante_id as $key => $id) {
                 // Novo participante
                 if ($id == 0 || $id == null) {
-                    $userParticipante = User::where('email', $request->emailParticipante[$key])->first();
+                    $userParticipante = User::where('email', 'ilike', $request->emailParticipante[$key])->first();
 
                     $participante = new Participante();
 
@@ -1553,7 +1553,7 @@ class TrabalhoController extends Controller
                     }
 
                     if ($request->nomePlanoTrabalho[$key] != null) {
-                        $usuario = User::where('email', $request->emailParticipante[$key])->first();
+                        $usuario = User::where('email', 'ilike', $request->emailParticipante[$key])->first();
                         $participante = Participante::where([['user_id', '=', $usuario->id], ['trabalho_id', '=', $projeto->id]])->first();
 
                         $path = 'trabalhos/' . $edital->id . '/' . $projeto->id . '/';
@@ -1648,7 +1648,7 @@ class TrabalhoController extends Controller
         }
         if ($request->emailParticipante != null) {
             foreach ($request->emailParticipante as $key => $email) {
-                $userParticipante = User::where('email', $email)->first();
+                $userParticipante = User::where('email', 'ilike', $email)->first();
 
                 $participante = new Participante();
 
@@ -1695,7 +1695,7 @@ class TrabalhoController extends Controller
                     }
                     $participante->save();
 
-                    $usuario = User::where('email', $email)->first();
+                    $usuario = User::where('email', 'ilike', $email)->first();
                     $participante = Participante::where([['user_id', '=', $usuario->id], ['trabalho_id', '=', $projeto->id]])->first();
 
                     $path = 'trabalhos/' . $edital->id . '/' . $projeto->id . '/';
@@ -1917,7 +1917,7 @@ class TrabalhoController extends Controller
                 $participanteSubstituido->data_saida = $request->data_entrada;
 
                 \App\Validator\CpfValidator::validate($request->all());
-                $user = User::where('email', $data['email'])->first();
+                $user = User::where('email', 'ilike', $data['email'])->first();
                 if (!$user) {
                     $data['usuarioTemp'] = true;
                     $user = User::create($data);