diff --git a/ui/Ui_mainwindow.py b/ui/Ui_mainwindow.py
index e35db00..9e06a95 100644
--- a/ui/Ui_mainwindow.py
+++ b/ui/Ui_mainwindow.py
@@ -2,7 +2,7 @@
 
 # Form implementation generated from reading ui file 'mainwindow.ui'
 #
-# Created: Fri Jan 30 19:20:59 2015
+# Created: Sat Jan 31 19:20:48 2015
 #      by: PyQt5 UI code generator 5.4
 #
 # WARNING! All changes made in this file will be lost!
@@ -12,19 +12,31 @@ from PyQt5 import QtCore, QtGui, QtWidgets
 class Ui_MainWindow(object):
     def setupUi(self, MainWindow):
         MainWindow.setObjectName("MainWindow")
-        MainWindow.resize(808, 646)
+        MainWindow.resize(1066, 795)
         MainWindow.setLocale(QtCore.QLocale(QtCore.QLocale.English, QtCore.QLocale.UnitedStates))
         self.centralWidget = QtWidgets.QWidget(MainWindow)
         self.centralWidget.setLocale(QtCore.QLocale(QtCore.QLocale.English, QtCore.QLocale.UnitedStates))
         self.centralWidget.setObjectName("centralWidget")
-        self.gridLayout_2 = QtWidgets.QGridLayout(self.centralWidget)
-        self.gridLayout_2.setObjectName("gridLayout_2")
-        self.groupBox_experiment = QtWidgets.QGroupBox(self.centralWidget)
+        self.horizontalLayout = QtWidgets.QHBoxLayout(self.centralWidget)
+        self.horizontalLayout.setObjectName("horizontalLayout")
+        self.splitter = QtWidgets.QSplitter(self.centralWidget)
+        self.splitter.setOrientation(QtCore.Qt.Horizontal)
+        self.splitter.setHandleWidth(2)
+        self.splitter.setChildrenCollapsible(True)
+        self.splitter.setObjectName("splitter")
+        self.groupBox_experiment = QtWidgets.QGroupBox(self.splitter)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Preferred)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.groupBox_experiment.sizePolicy().hasHeightForWidth())
+        self.groupBox_experiment.setSizePolicy(sizePolicy)
+        self.groupBox_experiment.setMinimumSize(QtCore.QSize(100, 300))
         self.groupBox_experiment.setAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignVCenter)
         self.groupBox_experiment.setFlat(False)
         self.groupBox_experiment.setCheckable(False)
         self.groupBox_experiment.setObjectName("groupBox_experiment")
         self.formLayout_3 = QtWidgets.QFormLayout(self.groupBox_experiment)
+        self.formLayout_3.setFieldGrowthPolicy(QtWidgets.QFormLayout.ExpandingFieldsGrow)
         self.formLayout_3.setObjectName("formLayout_3")
         self.label_instrument = QtWidgets.QLabel(self.groupBox_experiment)
         self.label_instrument.setObjectName("label_instrument")
@@ -43,6 +55,18 @@ class Ui_MainWindow(object):
         self.groupBox_data.setObjectName("groupBox_data")
         self.gridLayout_4 = QtWidgets.QGridLayout(self.groupBox_data)
         self.gridLayout_4.setObjectName("gridLayout_4")
+        self.buttonBox_open_reset = QtWidgets.QDialogButtonBox(self.groupBox_data)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.MinimumExpanding, QtWidgets.QSizePolicy.Fixed)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.buttonBox_open_reset.sizePolicy().hasHeightForWidth())
+        self.buttonBox_open_reset.setSizePolicy(sizePolicy)
+        self.buttonBox_open_reset.setLayoutDirection(QtCore.Qt.LeftToRight)
+        self.buttonBox_open_reset.setOrientation(QtCore.Qt.Vertical)
+        self.buttonBox_open_reset.setStandardButtons(QtWidgets.QDialogButtonBox.Open|QtWidgets.QDialogButtonBox.Reset)
+        self.buttonBox_open_reset.setCenterButtons(False)
+        self.buttonBox_open_reset.setObjectName("buttonBox_open_reset")
+        self.gridLayout_4.addWidget(self.buttonBox_open_reset, 0, 1, 1, 1)
         self.groupBox_replicates = QtWidgets.QGroupBox(self.groupBox_data)
         self.groupBox_replicates.setAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignVCenter)
         self.groupBox_replicates.setCheckable(True)
@@ -56,24 +80,18 @@ class Ui_MainWindow(object):
         self.radioButton_rep_files.setObjectName("radioButton_rep_files")
         self.gridLayout_3.addWidget(self.radioButton_rep_files, 0, 0, 1, 1)
         self.gridLayout_4.addWidget(self.groupBox_replicates, 2, 0, 1, 2)
-        self.buttonBox_open_reset = QtWidgets.QDialogButtonBox(self.groupBox_data)
-        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.MinimumExpanding, QtWidgets.QSizePolicy.Fixed)
-        sizePolicy.setHorizontalStretch(0)
-        sizePolicy.setVerticalStretch(0)
-        sizePolicy.setHeightForWidth(self.buttonBox_open_reset.sizePolicy().hasHeightForWidth())
-        self.buttonBox_open_reset.setSizePolicy(sizePolicy)
-        self.buttonBox_open_reset.setLayoutDirection(QtCore.Qt.LeftToRight)
-        self.buttonBox_open_reset.setOrientation(QtCore.Qt.Vertical)
-        self.buttonBox_open_reset.setStandardButtons(QtWidgets.QDialogButtonBox.Open|QtWidgets.QDialogButtonBox.Reset)
-        self.buttonBox_open_reset.setCenterButtons(False)
-        self.buttonBox_open_reset.setObjectName("buttonBox_open_reset")
-        self.gridLayout_4.addWidget(self.buttonBox_open_reset, 0, 1, 1, 1)
         self.listWidget_data = QtWidgets.QListWidget(self.groupBox_data)
         self.listWidget_data.setAlternatingRowColors(True)
         self.listWidget_data.setObjectName("listWidget_data")
         self.gridLayout_4.addWidget(self.listWidget_data, 0, 0, 2, 1)
+        spacerItem = QtWidgets.QSpacerItem(20, 40, QtWidgets.QSizePolicy.Minimum, QtWidgets.QSizePolicy.Expanding)
+        self.gridLayout_4.addItem(spacerItem, 1, 1, 1, 1)
         self.formLayout_3.setWidget(1, QtWidgets.QFormLayout.SpanningRole, self.groupBox_data)
-        self.groupBox_temp = QtWidgets.QGroupBox(self.groupBox_experiment)
+        self.groupBox_processing = QtWidgets.QGroupBox(self.groupBox_experiment)
+        self.groupBox_processing.setObjectName("groupBox_processing")
+        self.gridLayout = QtWidgets.QGridLayout(self.groupBox_processing)
+        self.gridLayout.setObjectName("gridLayout")
+        self.groupBox_temp = QtWidgets.QGroupBox(self.groupBox_processing)
         self.groupBox_temp.setEnabled(True)
         self.groupBox_temp.setAutoFillBackground(False)
         self.groupBox_temp.setCheckable(False)
@@ -108,8 +126,8 @@ class Ui_MainWindow(object):
         self.doubleSpinBox_dt.setProperty("value", 1.0)
         self.doubleSpinBox_dt.setObjectName("doubleSpinBox_dt")
         self.formLayout.setWidget(2, QtWidgets.QFormLayout.FieldRole, self.doubleSpinBox_dt)
-        self.formLayout_3.setWidget(2, QtWidgets.QFormLayout.LabelRole, self.groupBox_temp)
-        self.groupBox_cutoff = QtWidgets.QGroupBox(self.groupBox_experiment)
+        self.gridLayout.addWidget(self.groupBox_temp, 0, 0, 1, 1)
+        self.groupBox_cutoff = QtWidgets.QGroupBox(self.groupBox_processing)
         self.groupBox_cutoff.setEnabled(True)
         self.groupBox_cutoff.setAlignment(QtCore.Qt.AlignLeading|QtCore.Qt.AlignLeft|QtCore.Qt.AlignVCenter)
         self.groupBox_cutoff.setCheckable(True)
@@ -135,8 +153,8 @@ class Ui_MainWindow(object):
         self.doubleSpinBox_lower.setDecimals(1)
         self.doubleSpinBox_lower.setObjectName("doubleSpinBox_lower")
         self.formLayout_2.setWidget(1, QtWidgets.QFormLayout.FieldRole, self.doubleSpinBox_lower)
-        self.formLayout_3.setWidget(2, QtWidgets.QFormLayout.FieldRole, self.groupBox_cutoff)
-        self.groupBox_signal_threshold = QtWidgets.QGroupBox(self.groupBox_experiment)
+        self.gridLayout.addWidget(self.groupBox_cutoff, 0, 1, 1, 1)
+        self.groupBox_signal_threshold = QtWidgets.QGroupBox(self.groupBox_processing)
         self.groupBox_signal_threshold.setEnabled(True)
         self.groupBox_signal_threshold.setCheckable(True)
         self.groupBox_signal_threshold.setChecked(False)
@@ -147,8 +165,8 @@ class Ui_MainWindow(object):
         self.spinBox_signal_threshold.setMaximum(1000000)
         self.spinBox_signal_threshold.setObjectName("spinBox_signal_threshold")
         self.verticalLayout.addWidget(self.spinBox_signal_threshold)
-        self.formLayout_3.setWidget(3, QtWidgets.QFormLayout.LabelRole, self.groupBox_signal_threshold)
-        self.groupBox_cbar = QtWidgets.QGroupBox(self.groupBox_experiment)
+        self.gridLayout.addWidget(self.groupBox_signal_threshold, 1, 0, 1, 1)
+        self.groupBox_cbar = QtWidgets.QGroupBox(self.groupBox_processing)
         self.groupBox_cbar.setEnabled(True)
         self.groupBox_cbar.setCheckable(True)
         self.groupBox_cbar.setChecked(False)
@@ -170,13 +188,19 @@ class Ui_MainWindow(object):
         self.doubleSpinBox_cbar_end.setDecimals(1)
         self.doubleSpinBox_cbar_end.setObjectName("doubleSpinBox_cbar_end")
         self.formLayout_4.setWidget(2, QtWidgets.QFormLayout.FieldRole, self.doubleSpinBox_cbar_end)
-        self.formLayout_3.setWidget(3, QtWidgets.QFormLayout.FieldRole, self.groupBox_cbar)
+        self.gridLayout.addWidget(self.groupBox_cbar, 1, 1, 1, 1)
+        self.formLayout_3.setWidget(2, QtWidgets.QFormLayout.SpanningRole, self.groupBox_processing)
         self.buttonBox_process = QtWidgets.QDialogButtonBox(self.groupBox_experiment)
-        self.buttonBox_process.setStandardButtons(QtWidgets.QDialogButtonBox.Cancel|QtWidgets.QDialogButtonBox.Ok)
+        self.buttonBox_process.setStandardButtons(QtWidgets.QDialogButtonBox.NoButton)
         self.buttonBox_process.setObjectName("buttonBox_process")
-        self.formLayout_3.setWidget(4, QtWidgets.QFormLayout.FieldRole, self.buttonBox_process)
-        self.gridLayout_2.addWidget(self.groupBox_experiment, 0, 0, 1, 1)
-        self.tabWidget = QtWidgets.QTabWidget(self.centralWidget)
+        self.formLayout_3.setWidget(3, QtWidgets.QFormLayout.FieldRole, self.buttonBox_process)
+        self.tabWidget = QtWidgets.QTabWidget(self.splitter)
+        sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred, QtWidgets.QSizePolicy.Preferred)
+        sizePolicy.setHorizontalStretch(0)
+        sizePolicy.setVerticalStretch(0)
+        sizePolicy.setHeightForWidth(self.tabWidget.sizePolicy().hasHeightForWidth())
+        self.tabWidget.setSizePolicy(sizePolicy)
+        self.tabWidget.setMinimumSize(QtCore.QSize(300, 300))
         self.tabWidget.setObjectName("tabWidget")
         self.tab_raw = MplWidget()
         self.tab_raw.setObjectName("tab_raw")
@@ -191,10 +215,10 @@ class Ui_MainWindow(object):
         self.tab_heatmap_avg.setEnabled(False)
         self.tab_heatmap_avg.setObjectName("tab_heatmap_avg")
         self.tabWidget.addTab(self.tab_heatmap_avg, "")
-        self.gridLayout_2.addWidget(self.tabWidget, 0, 1, 1, 1)
+        self.horizontalLayout.addWidget(self.splitter)
         MainWindow.setCentralWidget(self.centralWidget)
         self.menuBar = QtWidgets.QMenuBar(MainWindow)
-        self.menuBar.setGeometry(QtCore.QRect(0, 0, 808, 29))
+        self.menuBar.setGeometry(QtCore.QRect(0, 0, 1066, 29))
         self.menuBar.setLocale(QtCore.QLocale(QtCore.QLocale.English, QtCore.QLocale.UnitedStates))
         self.menuBar.setObjectName("menuBar")
         self.menuFile = QtWidgets.QMenu(self.menuBar)
@@ -231,7 +255,7 @@ class Ui_MainWindow(object):
         self.label_cbar_end.setBuddy(self.doubleSpinBox_cbar_end)
 
         self.retranslateUi(MainWindow)
-        self.tabWidget.setCurrentIndex(3)
+        self.tabWidget.setCurrentIndex(0)
         QtCore.QMetaObject.connectSlotsByName(MainWindow)
 
     def retranslateUi(self, MainWindow):
@@ -244,6 +268,7 @@ class Ui_MainWindow(object):
         self.groupBox_data.setTitle(_translate("MainWindow", "Data File"))
         self.groupBox_replicates.setTitle(_translate("MainWindow", "Replicates"))
         self.radioButton_rep_files.setText(_translate("MainWindow", "Files"))
+        self.groupBox_processing.setTitle(_translate("MainWindow", "Processing Options"))
         self.groupBox_temp.setToolTip(_translate("MainWindow", "<html><head/><body><p>Temperature range of the data points. Only applies, if the data file does not contain any temperature information.</p></body></html>"))
         self.groupBox_temp.setTitle(_translate("MainWindow", "Temperature settings"))
         self.label_tmin.setText(_translate("MainWindow", "<html><head/><body><p>T<span style=\" vertical-align:sub;\">min</span></p></body></html>"))
@@ -259,10 +284,10 @@ class Ui_MainWindow(object):
         self.label_cutoff_low.setText(_translate("MainWindow", "Lower"))
         self.doubleSpinBox_lower.setSuffix(_translate("MainWindow", " °C"))
         self.groupBox_signal_threshold.setToolTip(_translate("MainWindow", "<html><head/><body><p>If the signal exceeds this threshold, the coresponding well is assumed to be denatured.</p></body></html>"))
-        self.groupBox_signal_threshold.setTitle(_translate("MainWindow", "Si&gnal Threshold"))
+        self.groupBox_signal_threshold.setTitle(_translate("MainWindow", "Signal &Threshold"))
         self.groupBox_cbar.setToolTip(_translate("MainWindow", "<html><head/><body><p>Defines the range of the colorbar used for the T<span style=\" vertical-align:sub;\">m</span> heatmap.</p></body></html>"))
-        self.groupBox_cbar.setTitle(_translate("MainWindow", "Colorbar"))
-        self.label_cbar_start.setText(_translate("MainWindow", "Start"))
+        self.groupBox_cbar.setTitle(_translate("MainWindow", "&Colorbar"))
+        self.label_cbar_start.setText(_translate("MainWindow", "S&tart"))
         self.doubleSpinBox_cbar_start.setSuffix(_translate("MainWindow", " °C"))
         self.label_cbar_end.setText(_translate("MainWindow", "En&d"))
         self.doubleSpinBox_cbar_end.setSuffix(_translate("MainWindow", " °C"))
diff --git a/ui/mainwindow.py b/ui/mainwindow.py
index adb4d0b..655ab13 100644
--- a/ui/mainwindow.py
+++ b/ui/mainwindow.py
@@ -33,6 +33,8 @@ class MainWindow(QMainWindow, Ui_MainWindow):
         self.statusBar.addPermanentWidget(self.progressBar)
         self.statusBar.showMessage("Welcome to PyDSF")
 
+        self.buttonBox_process.addButton("&Start Processing", QDialogButtonBox.AcceptRole)
+
 
 
     @pyqtSlot("QAbstractButton*")
diff --git a/ui/mainwindow.ui b/ui/mainwindow.ui
index 44dc5a5..1883ecf 100644
--- a/ui/mainwindow.ui
+++ b/ui/mainwindow.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>808</width>
-    <height>646</height>
+    <width>1066</width>
+    <height>795</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -20,429 +20,487 @@
    <property name="locale">
     <locale language="English" country="UnitedStates"/>
    </property>
-   <layout class="QGridLayout" name="gridLayout_2">
-    <item row="0" column="0">
-     <widget class="QGroupBox" name="groupBox_experiment">
-      <property name="title">
-       <string>Experimental Setup</string>
+   <layout class="QHBoxLayout" name="horizontalLayout">
+    <item>
+     <widget class="QSplitter" name="splitter">
+      <property name="orientation">
+       <enum>Qt::Horizontal</enum>
       </property>
-      <property name="alignment">
-       <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+      <property name="handleWidth">
+       <number>2</number>
       </property>
-      <property name="flat">
-       <bool>false</bool>
+      <property name="childrenCollapsible">
+       <bool>true</bool>
       </property>
-      <property name="checkable">
-       <bool>false</bool>
-      </property>
-      <layout class="QFormLayout" name="formLayout_3">
-       <item row="0" column="0">
-        <widget class="QLabel" name="label_instrument">
-         <property name="text">
-          <string>Instrument</string>
-         </property>
-         <property name="buddy">
-          <cstring>comboBox_instrument</cstring>
-         </property>
-        </widget>
-       </item>
-       <item row="0" column="1">
-        <widget class="QComboBox" name="comboBox_instrument">
-         <property name="sizePolicy">
-          <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
-           <horstretch>0</horstretch>
-           <verstretch>0</verstretch>
-          </sizepolicy>
-         </property>
-         <item>
-          <property name="text">
-           <string>Analytik Jena qTOWER 2.0/2.2</string>
-          </property>
-         </item>
-        </widget>
-       </item>
-       <item row="1" column="0" colspan="2">
-        <widget class="QGroupBox" name="groupBox_data">
-         <property name="enabled">
-          <bool>true</bool>
-         </property>
-         <property name="toolTip">
-          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Add data files to the experiment. If multiple files are loaded, they are treated as replicates.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-         </property>
-         <property name="title">
-          <string>Data File</string>
-         </property>
-         <layout class="QGridLayout" name="gridLayout_4">
-          <item row="2" column="0" colspan="2">
-           <widget class="QGroupBox" name="groupBox_replicates">
-            <property name="title">
-             <string>Replicates</string>
-            </property>
-            <property name="alignment">
-             <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
-            </property>
-            <property name="checkable">
-             <bool>true</bool>
-            </property>
-            <property name="checked">
-             <bool>false</bool>
-            </property>
-            <layout class="QGridLayout" name="gridLayout_3">
-             <item row="0" column="0">
-              <widget class="QRadioButton" name="radioButton_rep_files">
-               <property name="enabled">
-                <bool>false</bool>
-               </property>
-               <property name="text">
-                <string>Files</string>
-               </property>
-               <property name="checked">
-                <bool>true</bool>
-               </property>
-              </widget>
-             </item>
-            </layout>
-           </widget>
-          </item>
-          <item row="0" column="1">
-           <widget class="QDialogButtonBox" name="buttonBox_open_reset">
-            <property name="sizePolicy">
-             <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
-              <horstretch>0</horstretch>
-              <verstretch>0</verstretch>
-             </sizepolicy>
-            </property>
-            <property name="layoutDirection">
-             <enum>Qt::LeftToRight</enum>
-            </property>
-            <property name="orientation">
-             <enum>Qt::Vertical</enum>
-            </property>
-            <property name="standardButtons">
-             <set>QDialogButtonBox::Open|QDialogButtonBox::Reset</set>
-            </property>
-            <property name="centerButtons">
-             <bool>false</bool>
-            </property>
-           </widget>
-          </item>
-          <item row="0" column="0" rowspan="2">
-           <widget class="QListWidget" name="listWidget_data">
-            <property name="alternatingRowColors">
-             <bool>true</bool>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </widget>
-       </item>
-       <item row="2" column="0">
-        <widget class="QGroupBox" name="groupBox_temp">
-         <property name="enabled">
-          <bool>true</bool>
-         </property>
-         <property name="toolTip">
-          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Temperature range of the data points. Only applies, if the data file does not contain any temperature information.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-         </property>
-         <property name="autoFillBackground">
-          <bool>false</bool>
-         </property>
-         <property name="title">
-          <string>Temperature settings</string>
-         </property>
-         <property name="checkable">
-          <bool>false</bool>
-         </property>
-         <layout class="QFormLayout" name="formLayout">
-          <property name="fieldGrowthPolicy">
-           <enum>QFormLayout::ExpandingFieldsGrow</enum>
-          </property>
-          <property name="labelAlignment">
-           <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-          </property>
-          <property name="formAlignment">
-           <set>Qt::AlignHCenter|Qt::AlignTop</set>
-          </property>
-          <item row="0" column="0">
-           <widget class="QLabel" name="label_tmin">
-            <property name="text">
-             <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;T&lt;span style=&quot; vertical-align:sub;&quot;&gt;min&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-            </property>
-            <property name="buddy">
-             <cstring>doubleSpinBox_tmin</cstring>
-            </property>
-           </widget>
-          </item>
-          <item row="0" column="1">
-           <widget class="QDoubleSpinBox" name="doubleSpinBox_tmin">
-            <property name="alignment">
-             <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
-            </property>
-            <property name="suffix">
-             <string> °C</string>
-            </property>
-            <property name="decimals">
-             <number>1</number>
-            </property>
-            <property name="value">
-             <double>20.000000000000000</double>
-            </property>
-           </widget>
-          </item>
-          <item row="1" column="0">
-           <widget class="QLabel" name="label_tmax">
-            <property name="text">
-             <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;T&lt;span style=&quot; vertical-align:sub;&quot;&gt;max&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-            </property>
-            <property name="buddy">
-             <cstring>doubleSpinBox_tmax</cstring>
-            </property>
-           </widget>
-          </item>
-          <item row="1" column="1">
-           <widget class="QDoubleSpinBox" name="doubleSpinBox_tmax">
-            <property name="suffix">
-             <string> °C</string>
-            </property>
-            <property name="decimals">
-             <number>1</number>
-            </property>
-            <property name="value">
-             <double>95.000000000000000</double>
-            </property>
-           </widget>
-          </item>
-          <item row="2" column="0">
-           <widget class="QLabel" name="label_dt">
-            <property name="text">
-             <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&amp;Delta;T&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-            </property>
-            <property name="buddy">
-             <cstring>doubleSpinBox_dt</cstring>
-            </property>
-           </widget>
-          </item>
-          <item row="2" column="1">
-           <widget class="QDoubleSpinBox" name="doubleSpinBox_dt">
-            <property name="suffix">
-             <string> °C</string>
-            </property>
-            <property name="decimals">
-             <number>1</number>
-            </property>
-            <property name="value">
-             <double>1.000000000000000</double>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </widget>
-       </item>
-       <item row="2" column="1">
-        <widget class="QGroupBox" name="groupBox_cutoff">
-         <property name="enabled">
-          <bool>true</bool>
-         </property>
-         <property name="toolTip">
-          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Only T&lt;span style=&quot; vertical-align:sub;&quot;&gt;m&lt;/span&gt; values within this limit are considered valid.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-         </property>
-         <property name="title">
-          <string>&amp;Cutoff</string>
-         </property>
-         <property name="alignment">
-          <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
-         </property>
-         <property name="checkable">
-          <bool>true</bool>
-         </property>
-         <property name="checked">
-          <bool>false</bool>
-         </property>
-         <layout class="QFormLayout" name="formLayout_2">
-          <property name="fieldGrowthPolicy">
-           <enum>QFormLayout::ExpandingFieldsGrow</enum>
-          </property>
-          <property name="labelAlignment">
-           <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
-          </property>
-          <property name="formAlignment">
-           <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
-          </property>
-          <item row="0" column="0">
-           <widget class="QLabel" name="label_cutoff_high">
-            <property name="text">
-             <string>&amp;Upper</string>
-            </property>
-            <property name="buddy">
-             <cstring>doubleSpinBox_upper</cstring>
-            </property>
-           </widget>
-          </item>
-          <item row="0" column="1">
-           <widget class="QDoubleSpinBox" name="doubleSpinBox_upper">
-            <property name="prefix">
-             <string/>
-            </property>
-            <property name="suffix">
-             <string> °C</string>
-            </property>
-            <property name="decimals">
-             <number>1</number>
-            </property>
-           </widget>
-          </item>
-          <item row="1" column="0">
-           <widget class="QLabel" name="label_cutoff_low">
-            <property name="text">
-             <string>Lower</string>
-            </property>
-            <property name="buddy">
-             <cstring>doubleSpinBox_lower</cstring>
-            </property>
-           </widget>
-          </item>
-          <item row="1" column="1">
-           <widget class="QDoubleSpinBox" name="doubleSpinBox_lower">
-            <property name="suffix">
-             <string> °C</string>
-            </property>
-            <property name="decimals">
-             <number>1</number>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </widget>
-       </item>
-       <item row="3" column="0">
-        <widget class="QGroupBox" name="groupBox_signal_threshold">
-         <property name="enabled">
-          <bool>true</bool>
-         </property>
-         <property name="toolTip">
-          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;If the signal exceeds this threshold, the coresponding well is assumed to be denatured.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-         </property>
-         <property name="title">
-          <string>Si&amp;gnal Threshold</string>
-         </property>
-         <property name="checkable">
-          <bool>true</bool>
-         </property>
-         <property name="checked">
-          <bool>false</bool>
-         </property>
-         <layout class="QVBoxLayout" name="verticalLayout">
-          <item>
-           <widget class="QSpinBox" name="spinBox_signal_threshold">
-            <property name="maximum">
-             <number>1000000</number>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </widget>
-       </item>
-       <item row="3" column="1">
-        <widget class="QGroupBox" name="groupBox_cbar">
-         <property name="enabled">
-          <bool>true</bool>
-         </property>
-         <property name="toolTip">
-          <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Defines the range of the colorbar used for the T&lt;span style=&quot; vertical-align:sub;&quot;&gt;m&lt;/span&gt; heatmap.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-         </property>
-         <property name="title">
-          <string>Colorbar</string>
-         </property>
-         <property name="checkable">
-          <bool>true</bool>
-         </property>
-         <property name="checked">
-          <bool>false</bool>
-         </property>
-         <layout class="QFormLayout" name="formLayout_4">
-          <property name="fieldGrowthPolicy">
-           <enum>QFormLayout::ExpandingFieldsGrow</enum>
-          </property>
-          <item row="0" column="0">
-           <widget class="QLabel" name="label_cbar_start">
-            <property name="text">
-             <string>Start</string>
-            </property>
-            <property name="buddy">
-             <cstring>doubleSpinBox_cbar_start</cstring>
-            </property>
-           </widget>
-          </item>
-          <item row="0" column="1">
-           <widget class="QDoubleSpinBox" name="doubleSpinBox_cbar_start">
-            <property name="suffix">
-             <string> °C</string>
-            </property>
-            <property name="decimals">
-             <number>1</number>
-            </property>
-           </widget>
-          </item>
-          <item row="2" column="0">
-           <widget class="QLabel" name="label_cbar_end">
-            <property name="text">
-             <string>En&amp;d</string>
-            </property>
-            <property name="buddy">
-             <cstring>doubleSpinBox_cbar_end</cstring>
-            </property>
-           </widget>
-          </item>
-          <item row="2" column="1">
-           <widget class="QDoubleSpinBox" name="doubleSpinBox_cbar_end">
-            <property name="suffix">
-             <string> °C</string>
-            </property>
-            <property name="decimals">
-             <number>1</number>
-            </property>
-           </widget>
-          </item>
-         </layout>
-        </widget>
-       </item>
-       <item row="4" column="1">
-        <widget class="QDialogButtonBox" name="buttonBox_process">
-         <property name="standardButtons">
-          <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
-         </property>
-        </widget>
-       </item>
-      </layout>
-     </widget>
-    </item>
-    <item row="0" column="1">
-     <widget class="QTabWidget" name="tabWidget">
-      <property name="currentIndex">
-       <number>3</number>
-      </property>
-      <widget class="MplWidget" name="tab_raw">
-       <attribute name="title">
-        <string>Raw Data</string>
-       </attribute>
-      </widget>
-      <widget class="MplWidget" name="tab_derivative">
-       <attribute name="title">
-        <string>&amp;1st derivative</string>
-       </attribute>
-      </widget>
-      <widget class="MplWidget" name="tab_heatmap">
-       <attribute name="title">
-        <string>Heatmap</string>
-       </attribute>
-      </widget>
-      <widget class="MplWidget" name="tab_heatmap_avg">
-       <property name="enabled">
+      <widget class="QGroupBox" name="groupBox_experiment">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>100</width>
+         <height>300</height>
+        </size>
+       </property>
+       <property name="title">
+        <string>Experimental Setup</string>
+       </property>
+       <property name="alignment">
+        <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+       </property>
+       <property name="flat">
         <bool>false</bool>
        </property>
-       <attribute name="title">
-        <string>Heatmap average</string>
-       </attribute>
+       <property name="checkable">
+        <bool>false</bool>
+       </property>
+       <layout class="QFormLayout" name="formLayout_3">
+        <property name="fieldGrowthPolicy">
+         <enum>QFormLayout::ExpandingFieldsGrow</enum>
+        </property>
+        <item row="0" column="0">
+         <widget class="QLabel" name="label_instrument">
+          <property name="text">
+           <string>Instrument</string>
+          </property>
+          <property name="buddy">
+           <cstring>comboBox_instrument</cstring>
+          </property>
+         </widget>
+        </item>
+        <item row="0" column="1">
+         <widget class="QComboBox" name="comboBox_instrument">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <item>
+           <property name="text">
+            <string>Analytik Jena qTOWER 2.0/2.2</string>
+           </property>
+          </item>
+         </widget>
+        </item>
+        <item row="1" column="0" colspan="2">
+         <widget class="QGroupBox" name="groupBox_data">
+          <property name="enabled">
+           <bool>true</bool>
+          </property>
+          <property name="toolTip">
+           <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Add data files to the experiment. If multiple files are loaded, they are treated as replicates.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+          </property>
+          <property name="title">
+           <string>Data File</string>
+          </property>
+          <layout class="QGridLayout" name="gridLayout_4">
+           <item row="0" column="1">
+            <widget class="QDialogButtonBox" name="buttonBox_open_reset">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="layoutDirection">
+              <enum>Qt::LeftToRight</enum>
+             </property>
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+             <property name="standardButtons">
+              <set>QDialogButtonBox::Open|QDialogButtonBox::Reset</set>
+             </property>
+             <property name="centerButtons">
+              <bool>false</bool>
+             </property>
+            </widget>
+           </item>
+           <item row="2" column="0" colspan="2">
+            <widget class="QGroupBox" name="groupBox_replicates">
+             <property name="title">
+              <string>Replicates</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+             </property>
+             <property name="checkable">
+              <bool>true</bool>
+             </property>
+             <property name="checked">
+              <bool>false</bool>
+             </property>
+             <layout class="QGridLayout" name="gridLayout_3">
+              <item row="0" column="0">
+               <widget class="QRadioButton" name="radioButton_rep_files">
+                <property name="enabled">
+                 <bool>false</bool>
+                </property>
+                <property name="text">
+                 <string>Files</string>
+                </property>
+                <property name="checked">
+                 <bool>true</bool>
+                </property>
+               </widget>
+              </item>
+             </layout>
+            </widget>
+           </item>
+           <item row="0" column="0" rowspan="2">
+            <widget class="QListWidget" name="listWidget_data">
+             <property name="alternatingRowColors">
+              <bool>true</bool>
+             </property>
+            </widget>
+           </item>
+           <item row="1" column="1">
+            <spacer name="verticalSpacer">
+             <property name="orientation">
+              <enum>Qt::Vertical</enum>
+             </property>
+             <property name="sizeHint" stdset="0">
+              <size>
+               <width>20</width>
+               <height>40</height>
+              </size>
+             </property>
+            </spacer>
+           </item>
+          </layout>
+         </widget>
+        </item>
+        <item row="2" column="0" colspan="2">
+         <widget class="QGroupBox" name="groupBox_processing">
+          <property name="title">
+           <string>Processing Options</string>
+          </property>
+          <layout class="QGridLayout" name="gridLayout">
+           <item row="0" column="0">
+            <widget class="QGroupBox" name="groupBox_temp">
+             <property name="enabled">
+              <bool>true</bool>
+             </property>
+             <property name="toolTip">
+              <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Temperature range of the data points. Only applies, if the data file does not contain any temperature information.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+             </property>
+             <property name="autoFillBackground">
+              <bool>false</bool>
+             </property>
+             <property name="title">
+              <string>Temperature settings</string>
+             </property>
+             <property name="checkable">
+              <bool>false</bool>
+             </property>
+             <layout class="QFormLayout" name="formLayout">
+              <property name="fieldGrowthPolicy">
+               <enum>QFormLayout::ExpandingFieldsGrow</enum>
+              </property>
+              <property name="labelAlignment">
+               <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+              </property>
+              <property name="formAlignment">
+               <set>Qt::AlignHCenter|Qt::AlignTop</set>
+              </property>
+              <item row="0" column="0">
+               <widget class="QLabel" name="label_tmin">
+                <property name="text">
+                 <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;T&lt;span style=&quot; vertical-align:sub;&quot;&gt;min&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+                </property>
+                <property name="buddy">
+                 <cstring>doubleSpinBox_tmin</cstring>
+                </property>
+               </widget>
+              </item>
+              <item row="0" column="1">
+               <widget class="QDoubleSpinBox" name="doubleSpinBox_tmin">
+                <property name="alignment">
+                 <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+                </property>
+                <property name="suffix">
+                 <string> °C</string>
+                </property>
+                <property name="decimals">
+                 <number>1</number>
+                </property>
+                <property name="value">
+                 <double>20.000000000000000</double>
+                </property>
+               </widget>
+              </item>
+              <item row="1" column="0">
+               <widget class="QLabel" name="label_tmax">
+                <property name="text">
+                 <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;T&lt;span style=&quot; vertical-align:sub;&quot;&gt;max&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+                </property>
+                <property name="buddy">
+                 <cstring>doubleSpinBox_tmax</cstring>
+                </property>
+               </widget>
+              </item>
+              <item row="1" column="1">
+               <widget class="QDoubleSpinBox" name="doubleSpinBox_tmax">
+                <property name="suffix">
+                 <string> °C</string>
+                </property>
+                <property name="decimals">
+                 <number>1</number>
+                </property>
+                <property name="value">
+                 <double>95.000000000000000</double>
+                </property>
+               </widget>
+              </item>
+              <item row="2" column="0">
+               <widget class="QLabel" name="label_dt">
+                <property name="text">
+                 <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&amp;Delta;T&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+                </property>
+                <property name="buddy">
+                 <cstring>doubleSpinBox_dt</cstring>
+                </property>
+               </widget>
+              </item>
+              <item row="2" column="1">
+               <widget class="QDoubleSpinBox" name="doubleSpinBox_dt">
+                <property name="suffix">
+                 <string> °C</string>
+                </property>
+                <property name="decimals">
+                 <number>1</number>
+                </property>
+                <property name="value">
+                 <double>1.000000000000000</double>
+                </property>
+               </widget>
+              </item>
+             </layout>
+            </widget>
+           </item>
+           <item row="0" column="1">
+            <widget class="QGroupBox" name="groupBox_cutoff">
+             <property name="enabled">
+              <bool>true</bool>
+             </property>
+             <property name="toolTip">
+              <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Only T&lt;span style=&quot; vertical-align:sub;&quot;&gt;m&lt;/span&gt; values within this limit are considered valid.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+             </property>
+             <property name="title">
+              <string>&amp;Cutoff</string>
+             </property>
+             <property name="alignment">
+              <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+             </property>
+             <property name="checkable">
+              <bool>true</bool>
+             </property>
+             <property name="checked">
+              <bool>false</bool>
+             </property>
+             <layout class="QFormLayout" name="formLayout_2">
+              <property name="fieldGrowthPolicy">
+               <enum>QFormLayout::ExpandingFieldsGrow</enum>
+              </property>
+              <property name="labelAlignment">
+               <set>Qt::AlignRight|Qt::AlignTrailing|Qt::AlignVCenter</set>
+              </property>
+              <property name="formAlignment">
+               <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
+              </property>
+              <item row="0" column="0">
+               <widget class="QLabel" name="label_cutoff_high">
+                <property name="text">
+                 <string>&amp;Upper</string>
+                </property>
+                <property name="buddy">
+                 <cstring>doubleSpinBox_upper</cstring>
+                </property>
+               </widget>
+              </item>
+              <item row="0" column="1">
+               <widget class="QDoubleSpinBox" name="doubleSpinBox_upper">
+                <property name="prefix">
+                 <string/>
+                </property>
+                <property name="suffix">
+                 <string> °C</string>
+                </property>
+                <property name="decimals">
+                 <number>1</number>
+                </property>
+               </widget>
+              </item>
+              <item row="1" column="0">
+               <widget class="QLabel" name="label_cutoff_low">
+                <property name="text">
+                 <string>Lower</string>
+                </property>
+                <property name="buddy">
+                 <cstring>doubleSpinBox_lower</cstring>
+                </property>
+               </widget>
+              </item>
+              <item row="1" column="1">
+               <widget class="QDoubleSpinBox" name="doubleSpinBox_lower">
+                <property name="suffix">
+                 <string> °C</string>
+                </property>
+                <property name="decimals">
+                 <number>1</number>
+                </property>
+               </widget>
+              </item>
+             </layout>
+            </widget>
+           </item>
+           <item row="1" column="0">
+            <widget class="QGroupBox" name="groupBox_signal_threshold">
+             <property name="enabled">
+              <bool>true</bool>
+             </property>
+             <property name="toolTip">
+              <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;If the signal exceeds this threshold, the coresponding well is assumed to be denatured.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+             </property>
+             <property name="title">
+              <string>Signal &amp;Threshold</string>
+             </property>
+             <property name="checkable">
+              <bool>true</bool>
+             </property>
+             <property name="checked">
+              <bool>false</bool>
+             </property>
+             <layout class="QVBoxLayout" name="verticalLayout">
+              <item>
+               <widget class="QSpinBox" name="spinBox_signal_threshold">
+                <property name="maximum">
+                 <number>1000000</number>
+                </property>
+               </widget>
+              </item>
+             </layout>
+            </widget>
+           </item>
+           <item row="1" column="1">
+            <widget class="QGroupBox" name="groupBox_cbar">
+             <property name="enabled">
+              <bool>true</bool>
+             </property>
+             <property name="toolTip">
+              <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Defines the range of the colorbar used for the T&lt;span style=&quot; vertical-align:sub;&quot;&gt;m&lt;/span&gt; heatmap.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+             </property>
+             <property name="title">
+              <string>&amp;Colorbar</string>
+             </property>
+             <property name="checkable">
+              <bool>true</bool>
+             </property>
+             <property name="checked">
+              <bool>false</bool>
+             </property>
+             <layout class="QFormLayout" name="formLayout_4">
+              <property name="fieldGrowthPolicy">
+               <enum>QFormLayout::ExpandingFieldsGrow</enum>
+              </property>
+              <item row="0" column="0">
+               <widget class="QLabel" name="label_cbar_start">
+                <property name="text">
+                 <string>S&amp;tart</string>
+                </property>
+                <property name="buddy">
+                 <cstring>doubleSpinBox_cbar_start</cstring>
+                </property>
+               </widget>
+              </item>
+              <item row="0" column="1">
+               <widget class="QDoubleSpinBox" name="doubleSpinBox_cbar_start">
+                <property name="suffix">
+                 <string> °C</string>
+                </property>
+                <property name="decimals">
+                 <number>1</number>
+                </property>
+               </widget>
+              </item>
+              <item row="2" column="0">
+               <widget class="QLabel" name="label_cbar_end">
+                <property name="text">
+                 <string>En&amp;d</string>
+                </property>
+                <property name="buddy">
+                 <cstring>doubleSpinBox_cbar_end</cstring>
+                </property>
+               </widget>
+              </item>
+              <item row="2" column="1">
+               <widget class="QDoubleSpinBox" name="doubleSpinBox_cbar_end">
+                <property name="suffix">
+                 <string> °C</string>
+                </property>
+                <property name="decimals">
+                 <number>1</number>
+                </property>
+               </widget>
+              </item>
+             </layout>
+            </widget>
+           </item>
+          </layout>
+         </widget>
+        </item>
+        <item row="3" column="1">
+         <widget class="QDialogButtonBox" name="buttonBox_process">
+          <property name="standardButtons">
+           <set>QDialogButtonBox::NoButton</set>
+          </property>
+         </widget>
+        </item>
+       </layout>
+      </widget>
+      <widget class="QTabWidget" name="tabWidget">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Preferred" vsizetype="Preferred">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>300</width>
+         <height>300</height>
+        </size>
+       </property>
+       <property name="currentIndex">
+        <number>0</number>
+       </property>
+       <widget class="MplWidget" name="tab_raw">
+        <attribute name="title">
+         <string>Raw Data</string>
+        </attribute>
+       </widget>
+       <widget class="MplWidget" name="tab_derivative">
+        <attribute name="title">
+         <string>&amp;1st derivative</string>
+        </attribute>
+       </widget>
+       <widget class="MplWidget" name="tab_heatmap">
+        <attribute name="title">
+         <string>Heatmap</string>
+        </attribute>
+       </widget>
+       <widget class="MplWidget" name="tab_heatmap_avg">
+        <property name="enabled">
+         <bool>false</bool>
+        </property>
+        <attribute name="title">
+         <string>Heatmap average</string>
+        </attribute>
+       </widget>
       </widget>
      </widget>
     </item>
@@ -453,7 +511,7 @@
     <rect>
      <x>0</x>
      <y>0</y>
-     <width>808</width>
+     <width>1066</width>
      <height>29</height>
     </rect>
    </property>